:root {
  --night: #070911;
  --night-soft: #0d111c;
  --panel: rgba(16, 22, 35, 0.78);
  --panel-strong: rgba(20, 27, 43, 0.94);
  --ink: #eef3ff;
  --muted: #8b95aa;
  --faint: #78849b;
  --line: rgba(184, 201, 236, 0.16);
  --cyan: #8ce9ff;
  --violet: #9e8cff;
  --lime: #d2fa87;
  --orange: #ffb48a;
}

* {
  box-sizing: border-box;
}

html {
  min-width: 320px;
  scroll-behavior: smooth;
}

body {
  min-height: 100vh;
  margin: 0;
  overflow-x: hidden;
  color: var(--ink);
  background:
    radial-gradient(circle at 75% 12%, rgba(93, 74, 201, 0.18), transparent 32rem),
    radial-gradient(circle at 12% 68%, rgba(41, 155, 175, 0.10), transparent 30rem),
    var(--night);
  font-family:
    -apple-system,
    BlinkMacSystemFont,
    "Segoe UI",
    "PingFang SC",
    "Microsoft YaHei",
    sans-serif;
}

body::before {
  position: fixed;
  inset: 0;
  z-index: -2;
  background-image:
    linear-gradient(rgba(149, 164, 198, 0.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(149, 164, 198, 0.045) 1px, transparent 1px);
  background-size: 52px 52px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 86%);
  pointer-events: none;
}

body::after {
  position: fixed;
  inset: 0;
  z-index: -1;
  background: linear-gradient(115deg, transparent 0 55%, rgba(255, 255, 255, 0.02) 55.1% 55.2%, transparent 55.3%);
  pointer-events: none;
  content: "";
}

a {
  color: inherit;
  text-decoration: none;
}

button,
input {
  font: inherit;
}

button {
  cursor: pointer;
}

a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.ambient {
  position: fixed;
  z-index: -1;
  width: 22rem;
  height: 22rem;
  border-radius: 50%;
  filter: blur(50px);
  opacity: 0.18;
  pointer-events: none;
}

.ambient-one {
  top: 20%;
  right: -9rem;
  background: var(--violet);
}

.ambient-two {
  bottom: 8%;
  left: -11rem;
  background: var(--cyan);
}

.site-shell {
  width: min(1240px, calc(100% - 48px));
  min-height: 100vh;
  margin: 0 auto;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  display: grid;
  flex: 0 0 54px;
  width: 54px;
  height: 54px;
  place-items: center;
  border: 1px solid rgba(210, 250, 135, 0.7);
  border-radius: 50%;
  color: var(--lime);
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 0.02em;
  box-shadow: 0 0 28px rgba(210, 250, 135, 0.16);
}

.brand-copy {
  display: grid;
  gap: 3px;
}

.brand-copy strong {
  font-size: 16px;
  letter-spacing: -0.03em;
}

.brand-copy small,
.card-tag,
.eyebrow,
.panel-kicker,
.placeholder-caption {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.16em;
}

.brand-copy small {
  font-size: 8px;
  letter-spacing: 0.12em;
}

.topbar-note,
.back-link {
  color: var(--muted);
  font-size: 12px;
}

.live-dot,
.status-dot {
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-left: 7px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 12px var(--lime);
}

.portal-main {
  padding: clamp(68px, 10vw, 132px) 0 44px;
}

.portal-hero {
  position: relative;
  max-width: 1220px;
  overflow: hidden;
  isolation: isolate;
  padding: clamp(24px, 4vw, 52px) clamp(16px, 4vw, 54px);
}

.portal-hero::before {
  position: absolute;
  inset: -24% -16% -28%;
  z-index: -3;
  background:
    radial-gradient(circle at 16% 52%, rgba(140, 233, 255, 0.18), transparent 28%),
    radial-gradient(circle at 78% 12%, rgba(158, 140, 255, 0.16), transparent 34%),
    radial-gradient(circle at 66% 88%, rgba(210, 250, 135, 0.08), transparent 24%);
  filter: blur(18px);
  opacity: 0.7;
  animation: hero-glow-drift 18s ease-in-out infinite alternate;
  content: "";
  pointer-events: none;
}

.portal-hero::after {
  position: absolute;
  inset: -18% -10%;
  z-index: -2;
  background:
    linear-gradient(
      116deg,
      transparent 0 31%,
      rgba(140, 233, 255, 0.08) 31.1% 31.25%,
      transparent 31.35% 59%,
      rgba(158, 140, 255, 0.08) 59.1% 59.25%,
      transparent 59.35%
    );
  mask-image: linear-gradient(to bottom, black, transparent 88%);
  opacity: 0.8;
  animation: hero-scan 16s ease-in-out infinite alternate;
  content: "";
  pointer-events: none;
}

.hero-particles {
  position: absolute;
  inset: 0;
  z-index: -1;
  width: 100%;
  height: 100%;
  opacity: 0.9;
  mix-blend-mode: screen;
  pointer-events: none;
}

@keyframes hero-glow-drift {
  from {
    transform: translate3d(-2%, 1%, 0) scale(0.98);
    opacity: 0.52;
  }

  to {
    transform: translate3d(4%, -2%, 0) scale(1.06);
    opacity: 0.9;
  }
}

@keyframes hero-scan {
  from {
    transform: translateX(-2%) rotate(-0.5deg);
  }

  to {
    transform: translateX(2%) rotate(0.5deg);
  }
}

.eyebrow {
  margin: 0 0 24px;
  color: var(--cyan);
}

.portal-hero h1 {
  max-width: 1220px;
  margin: 0;
  font-size: clamp(48px, 8.5vw, 112px);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.98;
}

.hero-line {
  display: inline-block;
  white-space: nowrap;
}

.portal-hero h1 em {
  color: transparent;
  font-style: normal;
  background: linear-gradient(105deg, var(--cyan), #dfeaff 42%, var(--violet));
  background-clip: text;
  -webkit-background-clip: text;
}

.hero-lede {
  max-width: 560px;
  margin: 34px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 32px;
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.14em;
}

.meta-line,
.note-line,
.placeholder-rule {
  display: block;
  width: 54px;
  height: 1px;
  background: var(--line);
}

.portal-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin-top: clamp(60px, 9vw, 120px);
}

.portal-card {
  position: relative;
  display: flex;
  min-height: clamp(300px, 36vh, 420px);
  flex-direction: column;
  overflow: hidden;
  padding: clamp(26px, 3.5vw, 44px);
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.06), transparent 45%),
    var(--card-wash),
    var(--panel);
  animation: portal-card-in 720ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

@keyframes portal-card-in {
  from {
    opacity: 0;
    transform: translateY(34px) scale(0.985);
  }

  to {
    opacity: 1;
    transform: translateY(0) scale(1);
  }
}

.portal-card:nth-child(2) {
  animation-delay: 120ms;
}

.portal-card:nth-child(3) {
  animation-delay: 240ms;
}

.portal-card::before {
  position: absolute;
  top: 0;
  left: -20%;
  width: 40%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--card-accent), transparent);
  opacity: 0.8;
  transform: translateX(-100%);
  transition: transform 700ms ease;
  content: "";
}

.portal-card:hover::before {
  transform: translateX(350%);
}

.portal-card::after {
  position: absolute;
  right: -5rem;
  bottom: -7rem;
  width: 20rem;
  height: 20rem;
  border-radius: 50%;
  background: var(--card-accent);
  filter: blur(50px);
  opacity: 0.09;
  transition: opacity 220ms ease;
  content: "";
}

.portal-card:hover {
  border-color: color-mix(in srgb, var(--card-accent), white 25%);
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.1), transparent 45%),
    var(--card-wash),
    var(--panel-strong);
  transform: translateY(-5px);
}

.portal-card:hover::after {
  opacity: 0.26;
}

.portal-card-research {
  --card-accent: var(--cyan);
  --card-wash:
    radial-gradient(circle at 84% 24%, rgba(140, 233, 255, 0.14), transparent 30%),
    linear-gradient(135deg, rgba(140, 233, 255, 0.07), transparent 54%);
}

.portal-card-learning {
  --card-accent: var(--violet);
  --card-wash:
    radial-gradient(circle at 84% 24%, rgba(158, 140, 255, 0.16), transparent 30%),
    linear-gradient(135deg, rgba(158, 140, 255, 0.07), transparent 54%);
}

.portal-card-events {
  --card-accent: var(--lime);
  --card-wash:
    radial-gradient(circle at 84% 24%, rgba(210, 250, 135, 0.14), transparent 30%),
    linear-gradient(135deg, rgba(210, 250, 135, 0.06), transparent 54%);
}

.card-top,
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.card-index {
  color: var(--card-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.card-symbol {
  margin-top: clamp(30px, 4vw, 56px);
  color: var(--card-accent);
  font-size: clamp(48px, 6vw, 84px);
  font-weight: 200;
  line-height: 1;
  opacity: 0.9;
}

.portal-card h2 {
  position: relative;
  z-index: 1;
  margin: auto 0 10px;
  font-size: clamp(32px, 3.5vw, 52px);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.portal-card p {
  position: relative;
  z-index: 1;
  max-width: 620px;
  min-height: 48px;
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.card-action {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--card-accent);
  font-size: 12px;
}

.card-action span {
  font-size: 18px;
}

.portal-footer-note {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 34px;
  color: var(--faint);
  font-size: 12px;
}

.portal-footer-note p {
  margin: 0;
}

.site-footer {
  display: flex;
  justify-content: center;
  gap: 12px;
  padding: 28px 0 32px;
  color: var(--faint);
  font-size: 11px;
  text-align: center;
}

.site-footer a {
  color: inherit;
}

.auth-main {
  display: grid;
  min-height: 70vh;
  place-items: center;
  padding: 72px 0;
}

.auth-card {
  width: min(100%, 460px);
  padding: clamp(28px, 5vw, 52px);
  border: 1px solid var(--line);
  background: var(--panel);
}

.auth-card h1 {
  margin: 16px 0 12px;
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 500;
  letter-spacing: -0.07em;
}

.auth-intro {
  margin: 0 0 32px;
  color: var(--muted);
  line-height: 1.8;
}

.auth-card form {
  display: grid;
  gap: 10px;
}

.auth-card label {
  color: var(--muted);
  font-size: 12px;
}

.auth-card input {
  height: 48px;
  margin-bottom: 10px;
  padding: 0 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(5, 8, 16, 0.75);
}

.account-tools {
  display: flex;
  align-items: center;
  gap: 12px;
}

.current-user {
  color: var(--muted);
  font-size: 12px;
}

.police-record {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.police-icon {
  width: 14px;
  height: 14px;
  object-fit: contain;
}

/* Shared section pages */

.section-shell,
.events-shell {
  display: flex;
  flex-direction: column;
}

.section-main {
  flex: 1;
  padding: clamp(72px, 10vw, 124px) 0 72px;
}

.section-intro {
  max-width: 760px;
}

.section-intro h1,
.event-header h1 {
  margin: 0;
  font-size: clamp(52px, 8vw, 96px);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.98;
}

.section-intro p:not(.eyebrow),
.event-header p:not(.eyebrow) {
  max-width: 510px;
  margin: 28px 0 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.9;
}

.back-link {
  transition: color 180ms ease;
}

.back-link:hover {
  color: var(--ink);
}

.placeholder-layout {
  display: grid;
  grid-template-columns: 1.35fr 0.65fr;
  gap: 14px;
  margin-top: 74px;
}

.placeholder-panel {
  min-height: 320px;
  padding: 26px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent 50%),
    var(--panel);
}

.placeholder-panel-main {
  position: relative;
  overflow: hidden;
}

.placeholder-panel-main::after {
  position: absolute;
  right: -4rem;
  bottom: -7rem;
  width: 17rem;
  height: 17rem;
  border-radius: 50%;
  background: var(--accent, var(--cyan));
  filter: blur(48px);
  opacity: 0.1;
  content: "";
}

.research-page {
  --accent: var(--cyan);
}

.learning-page {
  --accent: var(--violet);
}

.placeholder-status {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-size: 11px;
  letter-spacing: 0.08em;
}

.placeholder-status .status-dot {
  margin: 0 8px 0 0;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.placeholder-number {
  position: absolute;
  top: 20px;
  right: 24px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.1em;
}

.placeholder-panel h2 {
  position: relative;
  z-index: 1;
  max-width: 500px;
  margin: 92px 0 14px;
  font-size: clamp(28px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.placeholder-panel p {
  position: relative;
  z-index: 1;
  max-width: 460px;
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.9;
}

.placeholder-rule {
  position: relative;
  z-index: 1;
  width: 100%;
  margin-top: 34px;
}

.placeholder-caption,
.panel-kicker {
  margin: 14px 0 0;
  color: var(--faint);
}

.placeholder-panel-list {
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.placeholder-list {
  display: grid;
  gap: 0;
  margin: auto 0 0;
  padding: 0;
  list-style: none;
}

.placeholder-list li {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
  color: var(--ink);
  font-size: 14px;
}

.placeholder-list li:first-child {
  border-top: 1px solid var(--line);
}

.placeholder-list span {
  color: var(--accent);
  font-size: 10px;
}

/* Events page */

.events-container {
  flex: 1;
  width: min(840px, 100%);
  margin: 0 auto;
  padding: clamp(72px, 10vw, 124px) 0 72px;
}

.event-header {
  margin-bottom: 54px;
}

.composer-card {
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: var(--panel);
}

.input-label {
  display: block;
  margin-bottom: 12px;
  color: var(--ink);
  font-size: 13px;
  font-weight: 600;
}

.input-row {
  display: flex;
  gap: 10px;
}

#messageInput {
  flex: 1;
  min-width: 0;
  height: 48px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 2px;
  outline: none;
  color: var(--ink);
  background: rgba(5, 8, 16, 0.75);
  transition: border-color 180ms ease, box-shadow 180ms ease;
}

#messageInput:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px rgba(140, 233, 255, 0.12);
}

#messageInput::placeholder {
  color: var(--faint);
}

.primary-button,
.secondary-button,
.edit-button,
.delete-button {
  border: 1px solid transparent;
  border-radius: 2px;
  transition: background 180ms ease, border-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.primary-button {
  height: 48px;
  padding: 0 18px;
  color: var(--night);
  background: var(--cyan);
  font-weight: 700;
}

.primary-button:hover {
  background: #dffaff;
  transform: translateY(-1px);
}

.secondary-button {
  padding: 8px 13px;
  border-color: var(--line);
  color: var(--muted);
  background: transparent;
}

.secondary-button:hover {
  border-color: var(--cyan);
  color: var(--ink);
}

.messages-section {
  margin-top: 54px;
}

.section-header h2 {
  margin: 8px 0 0;
  font-size: 24px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.message-count {
  margin: 6px 0 0;
  color: var(--faint);
  font-size: 12px;
}

.status-message {
  min-height: 20px;
  margin: 16px 0 10px;
  color: var(--muted);
  font-size: 13px;
}

.message-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.message {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 2px;
  background: rgba(16, 22, 35, 0.6);
  transition: border-color 180ms ease, transform 180ms ease;
}

.message:hover {
  border-color: rgba(140, 233, 255, 0.36);
  transform: translateY(-2px);
}

.message-content {
  margin-bottom: 14px;
  color: var(--ink);
  font-size: 15px;
  line-height: 1.75;
  word-break: break-word;
}

.message-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.message-time {
  color: var(--faint);
  font-size: 11px;
}

.message-actions {
  display: flex;
  gap: 8px;
}

.edit-button,
.delete-button {
  padding: 6px 10px;
  font-size: 12px;
}

.edit-button {
  border-color: rgba(158, 140, 255, 0.28);
  color: var(--violet);
  background: rgba(158, 140, 255, 0.08);
}

.edit-button:hover {
  background: rgba(158, 140, 255, 0.16);
}

.delete-button {
  border-color: rgba(255, 180, 138, 0.28);
  color: var(--orange);
  background: rgba(255, 180, 138, 0.08);
}

.delete-button:hover {
  background: rgba(255, 180, 138, 0.16);
}

.empty-state {
  padding: 48px 20px;
  border: 1px dashed var(--line);
  color: var(--faint);
  text-align: center;
}

@media (max-width: 760px) {
  .site-shell {
    width: min(100% - 32px, 680px);
  }

  .topbar-note {
    display: none;
  }

  .portal-grid,
  .placeholder-layout {
    grid-template-columns: 1fr;
  }

  .portal-card {
    min-height: 340px;
  }

  .placeholder-panel-main {
    min-height: 340px;
  }
}

@media (max-width: 520px) {
  .site-shell {
    width: min(100% - 24px, 680px);
  }

  .topbar {
    padding: 20px 0;
  }

  .brand-mark {
    flex-basis: 46px;
    width: 46px;
    height: 46px;
    font-size: 8px;
  }

  .portal-main,
  .section-main,
  .events-container {
    padding-top: 56px;
  }

  .portal-hero h1,
  .section-intro h1,
  .event-header h1 {
    font-size: clamp(46px, 15vw, 72px);
  }

  .hero-line {
    white-space: normal;
  }

  .hero-lede,
  .section-intro p:not(.eyebrow),
  .event-header p:not(.eyebrow) {
    font-size: 14px;
  }

  .input-row {
    flex-direction: column;
  }

  .primary-button {
    width: 100%;
  }

  .message-footer {
    align-items: flex-start;
    flex-direction: column;
  }

  .message-actions {
    width: 100%;
  }

  .edit-button,
  .delete-button {
    flex: 1;
  }

  .site-footer {
    flex-direction: column;
    align-items: center;
  }
}

/* Events V2.1 personal timeline */
.events-page .site-shell { width: min(1240px, calc(100% - 40px)); }
.events-page .events-container { width: min(1100px, 100%); padding-top: clamp(58px, 7vw, 92px); }
.events-page .event-header { max-width: 720px; margin-bottom: 46px; }
.events-page .event-header h1 { margin: 0; font-size: clamp(58px, 9vw, 104px); font-weight: 500; letter-spacing: -.08em; line-height: .95; }
.events-page .event-header > p:last-child { margin: 24px 0 0; color: var(--muted); font-size: 15px; line-height: 1.85; letter-spacing: .04em; }
.events-page .composer-card { position: relative; overflow: hidden; padding: clamp(24px, 4vw, 38px); border: 1px solid rgba(140,233,255,.14); border-radius: 18px; background: linear-gradient(145deg, rgba(18,26,42,.88), rgba(8,13,27,.7)); box-shadow: 0 24px 70px rgba(0,0,0,.16); }
.events-page .composer-card::after { position: absolute; right: -110px; bottom: -150px; width: 320px; height: 320px; border-radius: 50%; background: rgba(140,233,255,.08); filter: blur(28px); content: ""; pointer-events: none; }
.composer-heading { position: relative; z-index: 1; display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 24px; }
.composer-heading h2 { margin: 8px 0 0; font-size: clamp(28px, 4vw, 42px); font-weight: 500; letter-spacing: -.06em; }
.draft-status { min-height: 20px; color: var(--faint); font-size: 12px; }
.events-page #messageForm { position: relative; z-index: 1; }
.events-page #messageInput { display: block; width: 100%; min-height: 128px; height: auto; padding: 18px 4px; border: 0; border-bottom: 1px solid rgba(184,201,236,.2); border-radius: 0; resize: vertical; color: var(--ink); background: transparent; font-size: clamp(16px, 2vw, 19px); line-height: 1.85; box-shadow: none; }
.events-page #messageInput:focus { border-color: var(--cyan); box-shadow: none; }
.events-page #messageInput::placeholder { color: rgba(139,149,170,.62); }
.composer-quick-fields { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 18px; }
.event-field { display: inline-flex; min-width: 0; align-items: center; gap: 6px; min-height: 38px; padding: 0 10px; border: 1px solid rgba(184,201,236,.14); border-radius: 999px; color: var(--faint); background: rgba(5,8,16,.32); font-size: 12px; }
.event-field input { min-width: 0; height: 34px; padding: 0; border: 0; outline: none; color: var(--muted); background: transparent; font: inherit; }
.event-date-field input { width: 116px; }
.event-time-field input { width: 76px; }
.event-tags-field { flex: 1 1 220px; border-radius: 12px; }
.event-tags-field input { width: 100%; }
.event-field:focus-within { border-color: rgba(140,233,255,.42); background: rgba(140,233,255,.05); }
.pin-check { display: inline-flex; align-items: center; gap: 8px; min-height: 38px; padding: 0 12px; border: 1px solid rgba(210,250,135,.16); border-radius: 999px; color: var(--muted); font-size: 12px; }
.pin-check input { width: 15px; height: 15px; accent-color: var(--lime); }
.composer-details-toggle { margin-top: 16px; padding: 5px 0; border: 0; color: var(--cyan); background: transparent; font-size: 12px; }
.composer-details-toggle:hover { color: var(--ink); }
.composer-details-fields { display: grid; grid-template-columns: minmax(150px, .35fr) minmax(0, 1fr); gap: 16px; margin-top: 16px; padding: 20px; border: 1px solid rgba(158,140,255,.17); border-radius: 14px; background: rgba(8,12,23,.48); }
.composer-details-fields[hidden] { display: none; }
.structured-field { display: grid; align-content: start; gap: 8px; color: var(--muted); font-size: 12px; }
.structured-field:nth-last-child(-n + 2) { grid-column: 1 / -1; }
.structured-field small { color: var(--faint); font-weight: 400; }
.structured-field select,
.structured-field textarea,
.composer-step-input { width: 100%; min-width: 0; border: 1px solid rgba(184,201,236,.16); border-radius: 10px; outline: none; color: var(--ink); background: rgba(5,8,16,.7); }
.structured-field select { height: 42px; padding: 0 12px; }
.structured-field textarea { padding: 12px; resize: vertical; line-height: 1.7; }
.structured-field select:focus,
.structured-field textarea:focus,
.composer-step-input:focus { border-color: rgba(158,140,255,.66); box-shadow: 0 0 0 3px rgba(158,140,255,.08); }
.composer-steps { min-width: 0; }
.structured-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 8px; color: var(--muted); font-size: 12px; }
.text-button { padding: 2px 0; border: 0; color: var(--cyan); background: transparent; font: inherit; }
.composer-step-list { display: grid; gap: 7px; }
.composer-step-row { display: grid; grid-template-columns: minmax(0, 1fr) 34px; gap: 7px; }
.composer-step-input { height: 38px; padding: 0 11px; }
.composer-step-remove { border: 1px solid rgba(255,180,138,.18); border-radius: 9px; color: var(--orange); background: rgba(255,180,138,.04); font-size: 18px; }
.composer-actions { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 20px; }
.composer-actions .primary-button { height: 42px; min-width: 112px; border-radius: 999px; }
.character-count { color: var(--faint); font-size: 11px; }
.events-page .messages-section { margin-top: 66px; }
.events-page .section-header { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; padding-bottom: 18px; border-bottom: 1px solid rgba(184,201,236,.12); }
.events-page .section-header h2 { font-size: clamp(30px, 4vw, 44px); font-weight: 500; }
.section-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.events-toolbar { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 10px; margin-top: 22px; }
.events-toolbar .search-field { position: relative; min-width: 0; }
.events-toolbar .search-field::before { position: absolute; top: 50%; left: 16px; color: var(--faint); font-size: 15px; transform: translateY(-50%); content: "⌕"; pointer-events: none; }
.events-toolbar .search-field input { width: 100%; height: 46px; padding: 0 16px 0 42px; border: 1px solid rgba(184,201,236,.14); border-radius: 999px; outline: none; color: var(--ink); background: rgba(5,8,16,.42); }
.events-toolbar .search-field input:focus { border-color: rgba(140,233,255,.46); box-shadow: 0 0 0 3px rgba(140,233,255,.08); }
.events-filter-toggle { display: inline-flex; align-items: center; justify-content: center; gap: 7px; min-width: 96px; height: 46px; padding: 0 16px; border: 1px solid rgba(184,201,236,.14); border-radius: 999px; color: var(--muted); background: rgba(5,8,16,.38); }
.events-filter-toggle:hover,
.events-filter-toggle.is-active { border-color: rgba(140,233,255,.42); color: var(--cyan); background: rgba(140,233,255,.06); }
.events-filter-panel { grid-column: 1 / -1; display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 10px; padding: 14px; border: 1px solid rgba(184,201,236,.12); border-radius: 14px; background: rgba(8,13,27,.64); animation: events-filter-in 180ms ease both; }
.events-filter-panel[hidden] { display: none; }
.events-filter-panel .select-field { display: grid; min-width: 0; gap: 7px; color: var(--faint); font-size: 10px; letter-spacing: .08em; }
.events-filter-panel input,
.events-filter-panel select,
.inline-edit-grid input { width: 100%; min-width: 0; height: 40px; padding: 0 11px; border: 1px solid rgba(184,201,236,.14); border-radius: 8px; outline: none; color: var(--ink); background: rgba(5,8,16,.72); }
.events-filter-panel input:focus,
.events-filter-panel select:focus,
.inline-edit-grid input:focus { border-color: var(--cyan); box-shadow: 0 0 0 3px rgba(140,233,255,.08); }
.events-active-filters { grid-column: 1 / -1; display: flex; min-width: 0; align-items: center; flex-wrap: wrap; gap: 8px; }
.events-active-filters[hidden] { display: none; }
.events-active-filter-list { display: flex; min-width: 0; flex-wrap: wrap; gap: 7px; }
.events-filter-chip { display: inline-flex; min-height: 30px; align-items: center; gap: 7px; padding: 4px 9px 4px 11px; border: 1px solid rgba(140,233,255,.25); border-radius: 999px; color: var(--cyan); background: rgba(140,233,255,.06); font-size: 11px; }
.events-filter-chip:hover { border-color: rgba(140,233,255,.5); background: rgba(140,233,255,.1); }
.events-filter-chip-remove { color: var(--faint); font-size: 15px; line-height: 1; }
.events-clear-filters { min-height: 30px; padding: 3px 8px; border: 0; color: var(--faint); background: transparent; font-size: 10px; text-decoration: underline; text-underline-offset: 3px; }
.events-clear-filters:hover { color: var(--ink); }
.message-group { margin-top: 36px; }
.message-group-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
.message-group-heading span { color: var(--faint); font-size: 9px; letter-spacing: .18em; }
.message-group-heading h3 { margin: 0; color: var(--muted); font-size: 14px; font-weight: 600; }
.important-heading { padding: 0 2px; }
.important-heading h3 { color: var(--lime); }
.timeline-heading { margin-top: 52px; }
.timeline-day + .timeline-day { margin-top: 38px; }
.timeline-date-row { display: flex; align-items: center; gap: 18px; margin-bottom: 14px; }
.timeline-date { flex: 0 0 auto; margin: 0; color: var(--ink); font-size: clamp(18px, 2.4vw, 24px); font-weight: 500; letter-spacing: -.03em; }
.timeline-date-line { width: 100%; height: 1px; background: linear-gradient(90deg, rgba(140,233,255,.28), transparent); }
.timeline-day-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.timeline-day-list > .message:only-child { grid-column: 1 / -1; }
.message-list { display: grid; gap: 12px; }
#pinnedList { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.message { position: relative; display: flex; min-width: 0; min-height: 176px; overflow: visible; flex-direction: column; padding: 18px; border: 1px solid rgba(184,201,236,.13); border-radius: 16px; background: linear-gradient(145deg, rgba(17,24,39,.76), rgba(8,13,27,.55)); animation: events-entry-in 420ms cubic-bezier(.2,.8,.2,1) both; transition: border-color 180ms ease, background 180ms ease, transform 180ms ease; }
.message:hover { border-color: rgba(140,233,255,.42); background: linear-gradient(145deg, rgba(20,29,46,.86), rgba(8,13,27,.62)); transform: translateY(-2px); }
.message.is-pinned { border-color: rgba(210,250,135,.3); background: linear-gradient(145deg, rgba(31,40,35,.64), rgba(10,17,29,.52)); }
.message-header { display: flex; align-items: flex-start; gap: 10px; margin-bottom: 15px; }
.message-moment { display: flex; min-width: 0; align-items: center; flex-wrap: wrap; gap: 7px; }
.message-kind { display: inline-flex; min-height: 23px; align-items: center; padding: 3px 8px; border-radius: 999px; color: var(--cyan); background: rgba(140,233,255,.07); font-size: 10px; white-space: nowrap; }
.message-kind.is-future { color: var(--violet); background: rgba(158,140,255,.1); }
.message-event-date { color: var(--faint); font-size: 10px; line-height: 1.4; white-space: nowrap; }
.message-badges { display: flex; flex-wrap: wrap; gap: 6px; }
.pin-badge,
.trash-badge { display: inline-flex; min-height: 24px; align-items: center; padding: 3px 8px; border-radius: 999px; color: var(--lime); background: rgba(210,250,135,.08); font-size: 10px; }
.trash-badge { color: var(--orange); background: rgba(255,180,138,.08); }
.record-status-badge { display: inline-flex; min-height: 24px; align-items: center; padding: 3px 8px; border: 1px solid transparent; border-radius: 999px; font-size: 10px; white-space: nowrap; }
.record-status-badge.is-todo { border-color: rgba(184,201,236,.18); color: var(--muted); background: rgba(184,201,236,.06); }
.record-status-badge.is-in_progress { border-color: rgba(158,140,255,.26); color: var(--violet); background: rgba(158,140,255,.09); }
.record-status-badge.is-done { border-color: rgba(210,250,135,.25); color: var(--lime); background: rgba(210,250,135,.08); }
.message-content { max-width: 100%; margin: 0; color: var(--ink); font-size: clamp(14px, 1.6vw, 16px); line-height: 1.7; white-space: pre-wrap; }
.message-content.is-collapsed { display: -webkit-box; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 1; }
.message-expand { margin: 10px 0 0; padding: 0; border: 0; color: var(--cyan); background: transparent; font-size: 11px; }
.record-search-match { display: grid; gap: 4px; margin-top: 12px; padding: 10px 12px; border-left: 2px solid rgba(140,233,255,.36); border-radius: 0 8px 8px 0; color: var(--muted); background: rgba(140,233,255,.035); font-size: 11px; line-height: 1.55; }
.record-search-match-label { color: var(--cyan); font-size: 9px; font-weight: 600; letter-spacing: .08em; }
.record-search-match-text { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.record-search-highlight { padding: 0 2px; border-radius: 3px; color: var(--ink); background: rgba(210,250,135,.26); }
.message-tags { display: flex; flex-wrap: wrap; gap: 7px; margin: auto 0 0; padding-top: 14px; }
.tag-chip { min-height: 24px; padding: 3px 9px; border: 1px solid rgba(158,140,255,.18); border-radius: 999px; color: var(--faint); background: rgba(158,140,255,.06); font-size: 10px; cursor: pointer; }
.tag-chip:hover { color: var(--violet); }
.record-progress { display: grid; grid-template-columns: minmax(80px, 1fr) auto; align-items: center; gap: 10px; margin-top: 14px; color: var(--faint); font-size: 10px; }
.record-progress-bar { height: 3px; overflow: hidden; border-radius: 999px; background: rgba(184,201,236,.11); }
.record-progress-fill { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet), var(--cyan)); }
.markdown-body { overflow-wrap: anywhere; color: inherit; line-height: 1.75; }
.markdown-body > :first-child { margin-top: 0; }
.markdown-body > :last-child { margin-bottom: 0; }
.markdown-body p { margin: 0 0 .85em; }
.markdown-body h1,
.markdown-body h2,
.markdown-body h3 { margin: 1.15em 0 .5em; color: var(--ink); line-height: 1.3; }
.markdown-body h1 { font-size: 1.45em; }
.markdown-body h2 { font-size: 1.25em; }
.markdown-body h3 { font-size: 1.08em; }
.markdown-body ul,
.markdown-body ol { margin: .65em 0; padding-left: 1.4em; }
.markdown-body blockquote { margin: .8em 0; padding-left: 14px; border-left: 2px solid rgba(140,233,255,.38); color: var(--muted); }
.markdown-body code { padding: .12em .4em; border-radius: 5px; color: var(--cyan); background: rgba(140,233,255,.07); font-size: .9em; }
.markdown-body pre { overflow: auto; padding: 14px; border: 1px solid rgba(184,201,236,.12); border-radius: 10px; background: rgba(3,6,12,.74); }
.markdown-body pre code { padding: 0; background: transparent; }
.markdown-body a { color: var(--cyan); text-decoration: underline; text-underline-offset: 3px; }
.message-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 14px; padding-top: 12px; border-top: 1px solid rgba(184,201,236,.09); }
.message-footer-meta { min-width: 0; }
.message-meta { color: rgba(120,132,155,.72); font-size: 10px; line-height: 1.5; }
.message-actions { display: flex; flex-wrap: wrap; justify-content: flex-end; gap: 8px; }
.message-menu { position: relative; z-index: 4; margin-left: auto; }
.message-menu summary { list-style: none; }
.message-menu summary::-webkit-details-marker { display: none; }
.message-menu-toggle { display: grid; width: 36px; height: 32px; place-items: center; border-radius: 999px; color: var(--faint); font-size: 22px; line-height: 1; cursor: pointer; opacity: .45; transition: color 180ms ease, background 180ms ease, opacity 180ms ease; }
.message:hover .message-menu-toggle,
.message-menu[open] .message-menu-toggle,
.message-menu-toggle:focus-visible { color: var(--ink); background: rgba(255,255,255,.06); opacity: 1; }
.message-menu-panel { position: absolute; top: calc(100% + 7px); right: 0; z-index: 5; display: grid; width: 148px; overflow: hidden; padding: 6px; border: 1px solid rgba(184,201,236,.18); border-radius: 12px; background: rgba(8,13,27,.98); box-shadow: 0 18px 50px rgba(0,0,0,.38); }
.message-menu-panel button { width: 100%; padding: 9px 10px; border: 0; border-radius: 7px; text-align: left; background: transparent; font-size: 12px; }
.message-menu-panel button:hover { background: rgba(255,255,255,.06); }
.pin-button { color: var(--cyan); }
.edit-button { color: var(--violet); }
.delete-button { color: var(--orange); }
.undo-button { margin-left: 8px; padding: 4px 9px; border: 1px solid rgba(140,233,255,.3); border-radius: 999px; color: var(--cyan); background: transparent; }
.status-message.is-error { color: var(--orange); }
.load-more-button { display: block; width: 100%; margin-top: 28px; padding: 14px 16px; border: 0; border-top: 1px solid rgba(184,201,236,.12); color: var(--faint); background: transparent; }
.load-more-button:hover { color: var(--cyan); }
.empty-state { display: grid; min-height: 260px; place-items: center; align-content: center; gap: 10px; padding: 48px 20px; border: 1px dashed rgba(184,201,236,.16); border-radius: 16px; color: var(--faint); text-align: center; }
.empty-state-title { margin: 0; color: var(--ink); font-size: 24px; font-weight: 500; }
.empty-state-copy { margin: 0 0 8px; color: var(--muted); font-size: 13px; }
.empty-state-action { border-radius: 999px; }
.inline-edit-form { display: grid; gap: 14px; }
.inline-edit-content { width: 100%; min-height: 120px; padding: 14px; border: 1px solid var(--cyan); border-radius: 10px; outline: none; resize: vertical; color: var(--ink); background: rgba(5,8,16,.75); line-height: 1.8; }
.inline-edit-grid { display: grid; grid-template-columns: 1fr 1fr 1.5fr; gap: 10px; }
.inline-edit-actions { display: flex; align-items: center; justify-content: flex-end; gap: 8px; }
.edit-hint { margin-right: auto; color: var(--faint); font-size: 11px; }
.events-drawer { position: fixed; inset: 0 0 0 auto; z-index: 30; width: min(470px, 94vw); overflow: auto; padding: 28px; border-left: 1px solid rgba(140,233,255,.24); background: rgba(8,13,27,.98); box-shadow: -20px 0 70px rgba(0,0,0,.4); }
.drawer-backdrop { position: fixed; inset: 0; z-index: 29; background: rgba(1,4,10,.58); backdrop-filter: blur(3px); }
.record-detail-backdrop { z-index: 34; }
.record-detail-drawer { position: fixed; inset: 0 0 0 auto; z-index: 35; width: min(660px, 96vw); overflow-y: auto; overscroll-behavior: contain; padding: 0 clamp(22px, 4vw, 42px) 48px; border-left: 1px solid rgba(158,140,255,.28); background: linear-gradient(160deg, rgba(12,18,31,.99), rgba(6,10,20,.99)); box-shadow: -28px 0 90px rgba(0,0,0,.5); animation: record-detail-in 220ms ease both; }
.record-detail-toolbar { position: sticky; top: 0; z-index: 3; display: flex; align-items: center; justify-content: space-between; gap: 16px; min-height: 78px; border-bottom: 1px solid rgba(184,201,236,.1); background: rgba(10,15,27,.92); backdrop-filter: blur(16px); }
.record-detail-toolbar-actions { display: flex; align-items: center; gap: 9px; }
.record-detail-back { display: inline-flex; align-items: center; gap: 8px; padding: 9px 0; border: 0; color: var(--cyan); background: transparent; font-size: 13px; }
.record-detail-content { display: grid; gap: 20px; padding-top: 32px; }
.record-detail-header { padding-bottom: 24px; border-bottom: 1px solid rgba(184,201,236,.1); }
.record-detail-title { max-width: 16ch; margin: 9px 0 18px; color: var(--ink); font-size: clamp(30px, 5vw, 48px); font-weight: 500; letter-spacing: -.055em; line-height: 1.12; }
.record-detail-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 9px; color: var(--faint); font-size: 11px; }
.record-detail-header .message-tags { margin-top: 14px; padding-top: 0; }
.record-body-section,
.record-plan-section,
.record-completion-section,
.record-notes-section { padding: clamp(20px, 3.5vw, 28px); border: 1px solid rgba(184,201,236,.12); border-radius: 16px; background: rgba(12,18,31,.54); }
.record-body-section { border-color: rgba(140,233,255,.17); background: linear-gradient(145deg, rgba(16,27,40,.7), rgba(10,16,29,.45)); }
.record-body-markdown { color: var(--ink); font-size: 15px; }
.record-plan-section { border-color: rgba(158,140,255,.27); background: linear-gradient(145deg, rgba(29,23,54,.44), rgba(12,16,31,.58)); }
.record-completion-section { border-color: rgba(210,250,135,.27); background: linear-gradient(145deg, rgba(27,43,32,.44), rgba(11,18,27,.56)); }
.record-notes-section { border-color: rgba(255,180,138,.2); background: linear-gradient(145deg, rgba(50,34,27,.3), rgba(12,17,27,.55)); }
.record-detail-section-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.record-detail-section-title { margin: 0 0 16px; color: var(--muted); font-size: 11px; font-weight: 600; letter-spacing: .12em; text-transform: uppercase; }
.record-completion-section .record-detail-section-title { color: var(--lime); }
.record-notes-section .record-detail-section-title { color: var(--orange); }
.record-plan-section .record-detail-section-title { color: var(--violet); }
.record-plan-count { color: var(--faint); font-size: 11px; }
.record-plan-progress { height: 4px; overflow: hidden; margin-bottom: 18px; border-radius: 999px; background: rgba(184,201,236,.11); }
.record-plan-progress-fill { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--violet), var(--cyan)); transition: width 180ms ease; }
.record-step-list { display: grid; gap: 2px; }
.record-step { display: grid; grid-template-columns: 24px minmax(0, 1fr) auto; align-items: center; gap: 9px; min-height: 44px; padding: 8px 0; border-bottom: 1px solid rgba(184,201,236,.08); }
.record-step:last-child { border-bottom: 0; }
.record-step-check { width: 17px; height: 17px; accent-color: var(--violet); }
.record-step-copy { color: var(--ink); font-size: 13px; line-height: 1.55; }
.record-step.is-completed .record-step-copy { color: var(--faint); text-decoration: line-through; }
.record-step-actions { display: flex; gap: 8px; }
.record-step-action { padding: 3px 0; border: 0; color: var(--faint); background: transparent; font-size: 10px; }
.record-step-action:hover { color: var(--cyan); }
.record-step-action.is-danger:hover { color: var(--orange); }
.record-step-edit-input { min-width: 0; height: 36px; padding: 0 9px; border: 1px solid var(--violet); border-radius: 8px; outline: none; color: var(--ink); background: rgba(5,8,16,.7); }
.record-step-editor { grid-template-columns: 24px minmax(0, 1fr) 38px; }
.record-step-remove { display: grid; width: 36px; height: 36px; place-items: center; padding: 0; border: 1px solid rgba(255,180,138,.18); border-radius: 9px; color: var(--orange); background: rgba(255,180,138,.04); font-size: 18px; }
.record-step-remove:hover { border-color: rgba(255,180,138,.42); background: rgba(255,180,138,.09); }
.record-step-add-form { display: grid; grid-template-columns: minmax(0, 1fr) auto; gap: 8px; margin-top: 16px; }
.record-step-add-input { min-width: 0; height: 40px; padding: 0 11px; border: 1px solid rgba(158,140,255,.2); border-radius: 9px; outline: none; color: var(--ink); background: rgba(5,8,16,.55); }
.record-step-add-input:focus { border-color: var(--violet); }
.record-complete-prompt { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-top: 16px; padding: 12px; border: 1px solid rgba(210,250,135,.19); border-radius: 10px; color: var(--lime); background: rgba(210,250,135,.05); font-size: 11px; }
.record-detail-edit-form { display: grid; gap: 12px; padding: 22px; border: 1px solid rgba(140,233,255,.2); border-radius: 16px; background: rgba(8,13,25,.65); }
.record-detail-edit-form textarea,
.record-detail-edit-form input,
.record-detail-edit-form select { width: 100%; min-width: 0; padding: 11px; border: 1px solid rgba(184,201,236,.15); border-radius: 9px; outline: none; color: var(--ink); background: rgba(4,7,14,.7); }
.record-detail-edit-form textarea { resize: vertical; line-height: 1.65; }
.record-detail-edit-form input,
.record-detail-edit-form select { height: 42px; }
.record-detail-edit-form textarea:focus,
.record-detail-edit-form input:focus,
.record-detail-edit-form select:focus { border-color: var(--cyan); }
.record-detail-edit-grid { display: grid; grid-template-columns: 1fr .75fr .9fr 1.3fr; gap: 8px; }
.record-detail-edit-actions { display: flex; justify-content: flex-end; gap: 8px; }
.drawer-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.drawer-heading h2 { margin: 8px 0 0; font-size: 28px; letter-spacing: -.06em; }
.drawer-note { margin: 18px 0 24px; color: var(--muted); font-size: 12px; line-height: 1.7; }
.icon-button { width: 40px; height: 40px; border: 1px solid var(--line); border-radius: 50%; color: var(--muted); background: transparent; font-size: 24px; line-height: 1; }
.icon-button:hover { border-color: var(--cyan); color: var(--cyan); }
.events-drawer .message { overflow: visible; background: rgba(16,22,35,.72); }
.events-modal { position: fixed; inset: 0; z-index: 40; display: grid; place-items: center; padding: 20px; background: rgba(1,4,10,.68); backdrop-filter: blur(5px); }
.events-page .events-modal[hidden],
.events-page .events-drawer[hidden],
.events-page .record-detail-drawer[hidden],
.events-page .drawer-backdrop[hidden] { display: none !important; }
.modal-card { width: min(500px, 100%); padding: 28px; border: 1px solid rgba(140,233,255,.25); border-radius: 16px; background: var(--panel); box-shadow: 0 24px 80px rgba(0,0,0,.45); }
.modal-card > p { margin: 22px 0; color: var(--muted); font-size: 13px; line-height: 1.8; }
.export-actions { display: flex; justify-content: flex-end; gap: 10px; }
.events-page .site-footer { margin-top: auto; }
.events-page .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
.events-page .is-hidden { display: none !important; }
body.drawer-open { overflow: hidden; }

@keyframes events-filter-in {
  from { opacity: 0; transform: translateY(-6px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes events-entry-in {
  from { opacity: 0; transform: translateY(14px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes record-detail-in {
  from { opacity: 0; transform: translateX(28px); }
  to { opacity: 1; transform: translateX(0); }
}

@media (max-width: 760px) {
  .events-page .section-header { align-items: flex-start; flex-direction: column; }
  .events-page .section-actions { justify-content: flex-start; }
  .events-filter-panel { grid-template-columns: 1fr 1fr; }
  .timeline-day-list,
  #pinnedList { grid-template-columns: 1fr; }
}

@media (max-width: 520px) {
  .events-page .site-shell { width: min(100% - 20px, 680px); }
  .events-page .topbar { align-items: stretch; flex-direction: column; gap: 16px; }
  .events-page .account-tools { justify-content: space-between; }
  .events-page .events-container { padding-top: 48px; }
  .events-page .event-header { margin-bottom: 34px; }
  .events-page .event-header h1 { font-size: clamp(52px, 18vw, 72px); }
  .events-page .composer-card { padding: 20px 16px; border-radius: 14px; }
  .composer-heading { gap: 8px; }
  .composer-heading h2 { font-size: 28px; }
  .events-page #messageInput { min-height: 118px; padding: 16px 2px; }
  .composer-details-fields { grid-template-columns: 1fr; padding: 16px; }
  .structured-field:nth-last-child(-n + 2) { grid-column: auto; }
  .composer-quick-fields { align-items: stretch; }
  .event-field { flex: 1 1 calc(50% - 5px); justify-content: flex-start; border-radius: 10px; }
  .event-tags-field { flex-basis: 100%; }
  .pin-check { flex: 1 1 100%; justify-content: center; border-radius: 10px; }
  .composer-actions { align-items: center; }
  .composer-actions .primary-button { width: auto; }
  .events-page .messages-section { margin-top: 58px; }
  .events-page .section-actions { display: grid; width: 100%; grid-template-columns: repeat(3, 1fr); }
  .events-page .section-actions button { min-width: 0; padding-inline: 8px; }
  .events-toolbar { grid-template-columns: minmax(0, 1fr) auto; }
  .events-filter-toggle { min-width: 84px; padding-inline: 12px; }
  .events-filter-panel { grid-template-columns: 1fr; }
  .events-active-filters { align-items: flex-start; flex-direction: column; }
  .events-active-filter-list { width: 100%; }
  .events-filter-chip { max-width: 100%; }
  .timeline-heading { margin-top: 44px; }
  .timeline-date-row { gap: 12px; }
  .message { min-height: 154px; padding: 16px; border-radius: 14px; }
  .message:hover { transform: none; }
  .message-header { align-items: flex-start; }
  .message-badges { margin-left: auto; }
  .message-menu-toggle { opacity: 1; }
  .message-menu-panel { top: calc(100% + 7px); right: 0; bottom: auto; left: auto; width: 170px; padding: 8px; border-radius: 14px; }
  .message-menu-panel button { padding: 13px 12px; text-align: center; }
  .message-footer { align-items: flex-start; flex-direction: column; }
  .message-actions { width: 100%; justify-content: flex-start; }
  .inline-edit-grid { grid-template-columns: 1fr; }
  .inline-edit-actions { align-items: stretch; flex-direction: column; }
  .edit-hint { margin: 0 0 4px; }
  .inline-edit-actions button { width: 100%; }
  .events-drawer { inset: auto 0 0; width: 100%; max-height: 90vh; padding: 20px 16px; border: 0; border-top: 1px solid rgba(140,233,255,.24); border-radius: 18px 18px 0 0; }
  .record-detail-drawer { inset: 0; width: 100%; padding: 0 16px 34px; border: 0; border-radius: 0; }
  .record-detail-toolbar { min-height: 66px; }
  .record-detail-title { max-width: none; font-size: 32px; }
  .record-detail-content { gap: 14px; padding-top: 22px; }
  .record-body-section,
  .record-plan-section,
  .record-completion-section,
  .record-notes-section { padding: 18px 16px; border-radius: 13px; }
  .record-detail-edit-grid { grid-template-columns: 1fr 1fr; }
  .record-step { grid-template-columns: 24px minmax(0, 1fr); }
  .record-step-editor { grid-template-columns: 24px minmax(0, 1fr) 38px; }
  .record-step-actions { grid-column: 2; }
  .record-step-add-form { grid-template-columns: 1fr; }
  .record-step-add-form button { width: 100%; }
  .export-actions { align-items: stretch; flex-direction: column; }
  .export-actions button { width: 100%; }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }

  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Research BibTeX Library V1 */
.research-capture-open {
  border-color: rgba(210, 250, 135, 0.34);
  color: var(--lime);
  background: rgba(210, 250, 135, 0.055);
}

.research-capture-body {
  display: grid;
  gap: 14px;
  padding-top: 24px;
}

.research-capture-body > label,
.research-capture-problems {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.research-capture-body input,
.research-capture-problems input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(4, 8, 16, 0.76);
}

.research-capture-body input:focus {
  border-color: rgba(140, 233, 255, 0.58);
  outline: 0;
  box-shadow: 0 0 0 2px rgba(140, 233, 255, 0.08);
}

.research-capture-recognition {
  min-height: 18px;
  margin: -5px 0 0;
  color: var(--cyan);
  font-size: 10px;
}

.research-capture-fetch-row,
.research-capture-actions,
.research-capture-preview-heading,
.research-capture-problems > div:first-child {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.research-capture-fetch-row {
  justify-content: flex-end;
}

.research-capture-preview {
  display: grid;
  gap: 14px;
  margin-top: 6px;
  padding: clamp(16px, 3vw, 24px);
  border: 1px solid rgba(140, 233, 255, 0.24);
  background:
    radial-gradient(circle at 95% 0%, rgba(158, 140, 255, 0.09), transparent 34%),
    rgba(9, 14, 25, 0.78);
}

.research-capture-preview[hidden] {
  display: none;
}

.research-capture-source,
.research-capture-duplicate {
  color: var(--cyan);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.research-capture-duplicate {
  padding: 4px 7px;
  border: 1px solid rgba(140, 233, 255, 0.22);
}

.research-capture-duplicate[data-status="possible_duplicate"],
.research-capture-duplicate[data-status="conflict"] {
  border-color: rgba(255, 180, 138, 0.34);
  color: var(--orange);
}

.research-capture-preview h3 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(18px, 3vw, 25px);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.research-capture-authors,
.research-capture-meta {
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.7;
  overflow-wrap: anywhere;
}

.research-capture-identifiers {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 12px;
  border: 1px solid var(--line);
  background: rgba(4, 8, 16, 0.42);
}

.research-capture-identifiers > div {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 10px;
}

.research-capture-identifiers dt {
  color: var(--faint);
  font-size: 10px;
}

.research-capture-identifiers dd {
  min-width: 0;
  margin: 0;
  color: var(--ink);
  font-size: 11px;
}

.research-capture-identifier {
  overflow-wrap: anywhere;
  word-break: break-word;
}

.research-capture-warnings {
  display: grid;
  gap: 5px;
  padding: 10px 12px;
  border-left: 2px solid var(--orange);
  color: var(--orange);
  background: rgba(255, 180, 138, 0.045);
  font-size: 10px;
  line-height: 1.6;
}

.research-capture-warnings[hidden] {
  display: none;
}

.research-capture-warning {
  display: block;
}

.research-capture-problems {
  margin-top: 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.research-capture-problems small {
  color: var(--faint);
  font-size: 9px;
}

.research-capture-problems .research-option-grid {
  max-height: 210px;
  overflow: auto;
}

.research-capture-actions {
  justify-content: flex-end;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.research-heading-actions,
.research-bibtex-toolbar,
.research-bibtex-batch-bar,
.research-bibtex-batch-bar > div,
.research-bibtex-import-actions,
.research-bibtex-preview-heading,
.research-bibtex-preview-actions,
.research-bibtex-source-heading,
.research-bibtex-source-actions,
.research-paper-card-badges {
  display: flex;
  align-items: center;
  gap: 9px;
}

.research-bibtex-toolbar {
  flex-wrap: wrap;
  justify-content: flex-end;
}

.research-bibtex-batch-bar {
  justify-content: space-between;
  margin: 10px 0 16px;
  padding: 12px 14px;
  border: 1px solid rgba(140, 233, 255, 0.24);
  background: rgba(140, 233, 255, 0.055);
  color: var(--muted);
  font-size: 11px;
}

.research-bibtex-batch-bar[hidden] {
  display: none;
}

.research-paper-select {
  width: 17px;
  height: 17px;
  margin: 0;
  accent-color: var(--cyan);
}

.research-paper-select:disabled {
  cursor: not-allowed;
  opacity: 0.3;
}

.research-paper-card-badges {
  margin-left: auto;
}

.research-bibtex-badge {
  padding: 3px 6px;
  border: 1px solid rgba(210, 250, 135, 0.3);
  color: var(--lime);
  background: rgba(210, 250, 135, 0.06);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.research-bibtex-import-body {
  display: grid;
  gap: 14px;
  padding-top: 24px;
}

.research-bibtex-import-body > label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.research-bibtex-import-body textarea {
  width: 100%;
  min-height: 220px;
  resize: vertical;
  padding: 14px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(4, 8, 16, 0.76);
  font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.research-bibtex-import-body textarea:focus {
  border-color: rgba(140, 233, 255, 0.58);
  outline: 0;
  box-shadow: 0 0 0 2px rgba(140, 233, 255, 0.08);
}

.research-bibtex-import-actions {
  justify-content: flex-end;
}

.research-bibtex-preview-summary {
  padding: 10px 12px;
  border-left: 2px solid var(--cyan);
  color: var(--muted);
  background: rgba(140, 233, 255, 0.04);
  font-size: 11px;
}

.research-bibtex-preview-summary[hidden] {
  display: none;
}

.research-bibtex-preview-list {
  display: grid;
  gap: 10px;
}

.research-bibtex-preview-entry {
  display: grid;
  gap: 9px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(12, 17, 29, 0.74);
}

.research-bibtex-preview-entry.is-conflict,
.research-bibtex-preview-entry.is-invalid {
  border-color: rgba(255, 160, 106, 0.32);
}

.research-bibtex-preview-heading {
  min-width: 0;
}

.research-bibtex-key {
  overflow: hidden;
  color: var(--cyan);
  font: 10px/1.4 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-bibtex-preview-status {
  margin-left: auto;
  color: var(--muted);
  font-size: 9px;
  letter-spacing: 0.08em;
}

.research-bibtex-preview-status.is-new,
.research-bibtex-preview-status.is-match_existing {
  color: var(--lime);
}

.research-bibtex-preview-status.is-possible_duplicate {
  color: var(--violet);
}

.research-bibtex-preview-status.is-conflict,
.research-bibtex-preview-status.is-invalid {
  color: var(--orange);
}

.research-bibtex-preview-title {
  margin: 0;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.5;
}

.research-bibtex-preview-meta,
.research-bibtex-preview-error {
  margin: 0;
  color: var(--faint);
  font-size: 10px;
  line-height: 1.6;
}

.research-bibtex-preview-error {
  color: var(--orange);
}

.research-bibtex-preview-actions {
  flex-wrap: wrap;
  justify-content: space-between;
  padding-top: 7px;
  border-top: 1px solid var(--line);
}

.research-bibtex-preview-actions select {
  min-height: 34px;
  padding: 6px 9px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(4, 8, 16, 0.7);
  font-size: 10px;
}

.research-bibtex-detail {
  padding: 16px;
  border: 1px solid rgba(210, 250, 135, 0.18);
  background: rgba(210, 250, 135, 0.035);
}

.research-bibtex-detail-key {
  display: block;
  margin-bottom: 12px;
  overflow-wrap: anywhere;
  color: var(--lime);
  font-size: 12px;
}

.research-bibtex-version {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  margin: 0 0 12px;
  padding: 5px 9px;
  border: 1px solid rgba(140, 233, 255, 0.24);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.06);
  font-size: 10px;
  letter-spacing: 0.04em;
}

.research-bibtex-version.is-preferred {
  border-color: rgba(183, 148, 255, 0.32);
  color: var(--violet);
  background: rgba(183, 148, 255, 0.08);
}

.research-bibtex-version.is-error,
.research-link-button-danger {
  color: var(--orange);
}

.research-bibtex-more {
  margin-top: 12px;
}

.research-bibtex-more summary {
  width: fit-content;
  cursor: pointer;
  color: var(--faint);
  font-size: 11px;
  list-style: none;
}

.research-bibtex-more summary::-webkit-details-marker {
  display: none;
}

.research-bibtex-more summary::after {
  content: " +";
  color: var(--cyan);
}

.research-bibtex-more[open] summary::after {
  content: " −";
}

.research-bibtex-more .research-link-buttons {
  margin-top: 10px;
}

.research-bibtex-missing {
  display: block;
  margin-bottom: 12px;
  color: var(--faint);
  font-size: 12px;
}

.research-empty-actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 9px;
}

@media (max-width: 640px) {
  .research-capture-actions,
  .research-capture-fetch-row {
    align-items: stretch;
    flex-direction: column;
  }

  .research-capture-actions button,
  .research-capture-fetch-row button,
  .research-capture-preview > .secondary-button {
    width: 100%;
    min-height: 44px;
  }

  .research-capture-identifiers > div {
    grid-template-columns: 1fr;
    gap: 3px;
  }
}

.research-bibtex-source-dialog {
  width: min(760px, calc(100% - 32px));
  max-height: calc(100vh - 48px);
  overflow: auto;
  padding: 24px;
  border: 1px solid rgba(140, 233, 255, 0.28);
  color: var(--ink);
  background: rgb(9, 13, 24);
  box-shadow: 0 28px 100px rgba(0, 0, 0, 0.55);
}

.research-bibtex-source-dialog::backdrop {
  background: rgba(3, 5, 10, 0.76);
  backdrop-filter: blur(5px);
}

.research-bibtex-source-heading {
  justify-content: space-between;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line);
}

.research-bibtex-source-heading h2 {
  margin: 5px 0 0;
  font-size: 23px;
  font-weight: 500;
}

.research-bibtex-source-dialog pre {
  overflow: auto;
  margin: 18px 0;
  padding: 16px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: rgba(3, 6, 12, 0.8);
  font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
  white-space: pre;
}

.research-bibtex-preferred-dialog {
  width: min(860px, calc(100% - 32px));
}

.research-bibtex-preferred-dialog textarea {
  display: block;
  width: 100%;
  min-height: 360px;
  margin: 16px 0 0;
  padding: 16px;
  resize: vertical;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(3, 6, 12, 0.8);
  font: 12px/1.7 ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}

.research-bibtex-preferred-dialog textarea:focus {
  border-color: rgba(140, 233, 255, 0.58);
  outline: none;
  box-shadow: 0 0 0 3px rgba(140, 233, 255, 0.07);
}

.research-paper-memory-dialog {
  width: min(680px, calc(100% - 32px));
}

.research-paper-memory-ai-dialog,
.research-problem-ai-dialog {
  width: min(720px, calc(100% - 32px));
}

.research-problem-ai-button {
  justify-self: start;
  margin: -4px 0 8px;
}

.research-paper-memory-ai-intro,
.research-paper-memory-ai-notice,
.research-paper-memory-ai-loading {
  color: var(--faint);
  font-size: 12px;
  line-height: 1.7;
}

.research-paper-memory-ai-content {
  display: grid;
  gap: 17px;
  min-height: 96px;
  max-height: min(52vh, 520px);
  margin: 18px 0;
  padding: 17px;
  overflow-y: auto;
  border: 1px solid rgba(140, 233, 255, 0.14);
  background: rgba(3, 6, 12, 0.48);
}

.research-paper-memory-ai-notice {
  margin: 0 0 14px;
  color: var(--muted);
}

.research-paper-memory-dialog form {
  display: grid;
  gap: 18px;
}

.research-memory-field,
.research-memory-list-field {
  display: grid;
  gap: 8px;
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.research-memory-field > span,
.research-memory-list-field legend {
  color: var(--muted);
  font-size: 11px;
}

.research-memory-field textarea,
.research-memory-editor-row input {
  width: 100%;
  border: 1px solid rgba(184, 201, 236, 0.18);
  border-radius: 1px;
  color: var(--ink);
  background: rgba(3, 6, 12, 0.8);
  outline: none;
}

.research-memory-field textarea {
  min-height: 76px;
  padding: 11px;
  resize: vertical;
  font: inherit;
  line-height: 1.65;
}

.research-memory-editor-list {
  display: grid;
  gap: 8px;
}

.research-memory-editor-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 36px;
  gap: 8px;
}

.research-memory-editor-row input {
  min-height: 39px;
  padding: 9px 11px;
}

.research-memory-field textarea:focus,
.research-memory-editor-row input:focus {
  border-color: rgba(140, 233, 255, 0.58);
  box-shadow: 0 0 0 3px rgba(140, 233, 255, 0.07);
}

.research-memory-list-field > .secondary-button {
  width: fit-content;
}

.research-memory-list-field small {
  color: var(--faint);
  font-size: 10px;
}

.research-bibtex-source-actions {
  justify-content: flex-end;
}

@media (max-width: 760px) {
  .research-bibtex-toolbar,
  .research-heading-actions,
  .research-bibtex-batch-bar,
  .research-bibtex-batch-bar > div {
    width: 100%;
  }

  .research-bibtex-toolbar > button,
  .research-bibtex-batch-bar > div > button {
    flex: 1 1 140px;
  }

  .research-bibtex-batch-bar {
    align-items: stretch;
    flex-direction: column;
  }

  .research-bibtex-batch-bar > div {
    flex-wrap: wrap;
  }
}

@media (max-width: 520px) {
  .research-bibtex-import-actions,
  .research-bibtex-preview-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .research-bibtex-import-actions > button,
  .research-bibtex-preview-actions > * {
    width: 100%;
  }

  .research-bibtex-source-dialog {
    padding: 18px;
  }

  .research-bibtex-preferred-dialog textarea {
    min-height: 300px;
  }

  .research-paper-memory-dialog {
    width: calc(100% - 20px);
    max-height: calc(100vh - 20px);
  }

  .research-bibtex-source-actions {
    align-items: stretch;
    flex-direction: column-reverse;
  }

  .research-bibtex-source-actions > button {
    width: 100%;
  }
}

/* Portal V1: public landing and private dashboard */
.portal-page [hidden] {
  display: none !important;
}

.portal-topbar-actions,
.portal-landing-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.portal-login-link {
  padding: 10px 18px;
  border: 1px solid rgba(140, 233, 255, 0.32);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.06);
  font-size: 12px;
  transition: border-color 180ms ease, background 180ms ease;
}

.portal-login-link:hover {
  border-color: rgba(140, 233, 255, 0.7);
  background: rgba(140, 233, 255, 0.12);
}

.portal-page .portal-main {
  padding: clamp(42px, 7vw, 86px) 0 44px;
}

.portal-loading {
  display: grid;
  min-height: 54vh;
  place-items: center;
  align-content: center;
  gap: 16px;
  color: var(--muted);
  font-size: 13px;
  letter-spacing: 0.08em;
}

.portal-loading p {
  margin: 0;
}

.portal-loading-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 20px var(--cyan);
  animation: portal-loading-pulse 1.4s ease-in-out infinite;
}

@keyframes portal-loading-pulse {
  50% {
    opacity: 0.38;
    transform: scale(0.72);
  }
}

.portal-page .portal-hero {
  min-height: clamp(390px, 54vh, 570px);
  padding: clamp(34px, 5vw, 66px) clamp(20px, 5vw, 68px);
  border: 1px solid rgba(184, 201, 236, 0.1);
  border-radius: 24px;
  background: rgba(8, 12, 22, 0.48);
}

.portal-page .portal-hero h1 {
  display: block;
  max-width: 1040px;
  gap: 4px;
  font-size: clamp(48px, 7.4vw, 94px);
  line-height: 1.02;
}

.portal-page .hero-line {
  white-space: nowrap;
}

.portal-page .hero-learn {
  white-space: nowrap;
}

.portal-page .portal-hero h1 em {
  display: block;
}

.portal-page .hero-lede {
  margin-top: 26px;
  font-size: clamp(14px, 1.6vw, 17px);
}

.portal-landing-actions {
  margin-top: 30px;
}

.portal-hero-login {
  display: inline-flex;
  width: auto;
  min-height: 46px;
  align-items: center;
  gap: 30px;
  justify-content: space-between;
  border-radius: 999px;
}

.portal-account-note {
  color: var(--faint);
  font-size: 11px;
}

.portal-dashboard {
  animation: portal-card-in 520ms ease both;
}

.portal-dashboard-hero {
  padding: clamp(12px, 2vw, 24px) 0 clamp(30px, 4vw, 44px);
  border-bottom: 1px solid var(--line);
}

.portal-dashboard-hero h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 78px);
  font-weight: 500;
  letter-spacing: -0.07em;
  line-height: 1;
}

.portal-dashboard-hero h1 span {
  color: transparent;
  background: linear-gradient(105deg, var(--cyan), #dfeaff 48%, var(--violet));
  background-clip: text;
  -webkit-background-clip: text;
}

.portal-dashboard-hero > p:last-child {
  max-width: 620px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.8;
}

.portal-record-section {
  min-width: 0;
}

.portal-overview {
  padding-top: clamp(38px, 5vw, 58px);
}

.portal-overview-heading > p {
  max-width: 300px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.portal-overview-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.portal-overview-card {
  --overview-accent: var(--cyan);
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 250px;
  flex-direction: column;
  padding: clamp(22px, 2.5vw, 30px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 20px;
  background:
    radial-gradient(circle at 90% 8%, color-mix(in srgb, var(--overview-accent) 12%, transparent), transparent 36%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.04), transparent 52%),
    rgba(10, 15, 27, 0.82);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.portal-overview-card:hover,
.portal-overview-card:focus-visible {
  border-color: color-mix(in srgb, var(--overview-accent) 48%, transparent);
  background-color: rgba(16, 23, 38, 0.94);
  outline: none;
  transform: translateY(-3px);
}

.portal-overview-learning {
  --overview-accent: var(--violet);
}

.portal-overview-records {
  --overview-accent: var(--lime);
}

.portal-overview-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  color: var(--overview-accent);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.16em;
}

.portal-overview-card-head span:last-child {
  font-size: 22px;
  font-weight: 300;
  letter-spacing: 0;
}

.portal-overview-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.portal-overview-metrics-three {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portal-overview-metrics div {
  min-width: 0;
}

.portal-overview-metrics strong {
  display: block;
  overflow: hidden;
  color: var(--ink);
  font-size: clamp(28px, 3.5vw, 42px);
  font-weight: 500;
  letter-spacing: -0.05em;
  line-height: 1;
  text-overflow: ellipsis;
}

.portal-overview-metrics span {
  display: block;
  margin-top: 8px;
  color: var(--muted);
  font-size: 10px;
}

.portal-overview-recent {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  margin: auto 0 0;
  padding-top: 24px;
  color: var(--faint);
  font-size: 10px;
}

.portal-overview-recent strong {
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
  text-align: right;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-overview-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--overview-accent);
  font-size: 10px;
}

.portal-pinned-section {
  margin-top: clamp(70px, 9vw, 112px);
  padding-top: clamp(44px, 6vw, 68px);
  border-top: 1px solid var(--line);
}

.portal-section-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  margin-bottom: 22px;
}

.portal-section-heading .eyebrow {
  margin-bottom: 9px;
}

.portal-section-heading h2 {
  margin: 0;
  font-size: clamp(30px, 4vw, 46px);
  font-weight: 500;
  letter-spacing: -0.05em;
}

.portal-section-heading > a {
  padding-bottom: 5px;
  color: var(--cyan);
  font-size: 12px;
}

.portal-record-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.portal-pinned-section .portal-record-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.portal-record {
  display: flex;
  min-width: 0;
  min-height: 154px;
  flex-direction: column;
  padding: 20px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 16px;
  background:
    linear-gradient(145deg, rgba(255, 255, 255, 0.045), transparent 48%),
    rgba(12, 17, 29, 0.78);
  transition: border-color 180ms ease, transform 180ms ease, background 180ms ease;
}

.portal-record:hover {
  border-color: rgba(140, 233, 255, 0.42);
  background: rgba(17, 23, 38, 0.92);
  transform: translateY(-2px);
}

.portal-record-pinned {
  border-color: rgba(210, 250, 135, 0.24);
  background:
    radial-gradient(circle at 90% 10%, rgba(210, 250, 135, 0.09), transparent 40%),
    rgba(12, 17, 29, 0.82);
}

.portal-record-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  color: var(--cyan);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.portal-record-pin {
  padding: 4px 8px;
  border: 1px solid rgba(210, 250, 135, 0.25);
  border-radius: 999px;
  color: var(--lime);
  background: rgba(210, 250, 135, 0.07);
  letter-spacing: 0;
}

.portal-record-content {
  display: -webkit-box;
  margin: auto 0 12px;
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.55;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.portal-record-tags {
  display: flex;
  gap: 6px;
  overflow: hidden;
}

.portal-record-tags span {
  max-width: 100%;
  padding: 4px 8px;
  overflow: hidden;
  border: 1px solid rgba(158, 140, 255, 0.2);
  border-radius: 999px;
  color: var(--violet);
  background: rgba(158, 140, 255, 0.06);
  font-size: 9px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-record-empty {
  grid-column: 1 / -1;
  min-height: 112px;
  margin: 0;
  padding: 40px 22px;
  border: 1px dashed var(--line);
  border-radius: 16px;
  color: var(--faint);
  text-align: center;
}

.portal-ai-summary {
  margin-top: clamp(70px, 9vw, 112px);
  padding-top: clamp(44px, 6vw, 68px);
  border-top: 1px solid var(--line);
}

.portal-ai-heading > p {
  max-width: 300px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.portal-ai-panel {
  position: relative;
  min-height: 260px;
  padding: clamp(26px, 4vw, 48px);
  overflow: hidden;
  border: 1px solid rgba(140, 233, 255, 0.18);
  border-radius: 22px;
  background:
    linear-gradient(135deg, rgba(140, 233, 255, 0.045), transparent 44%),
    radial-gradient(circle at 92% 12%, rgba(158, 140, 255, 0.12), transparent 34%),
    rgba(9, 14, 25, 0.84);
  transition: border-color 180ms ease, background 180ms ease;
}

.portal-ai-panel::after {
  position: absolute;
  right: 7%;
  bottom: -95px;
  width: 240px;
  height: 240px;
  border: 1px solid rgba(140, 233, 255, 0.1);
  border-radius: 50%;
  content: "";
  pointer-events: none;
}

.portal-ai-panel[data-state="loading"] {
  border-color: rgba(140, 233, 255, 0.45);
}

.portal-ai-panel[data-state="error"] {
  border-color: rgba(255, 166, 121, 0.38);
}

.portal-ai-panel-head {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  color: var(--cyan);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.portal-ai-panel-controls {
  display: flex;
  align-items: center;
  gap: 9px;
}

.portal-ai-badge {
  padding: 5px 9px;
  border: 1px solid rgba(158, 140, 255, 0.28);
  border-radius: 999px;
  color: var(--violet);
  background: rgba(158, 140, 255, 0.07);
  font-size: 9px;
}

.portal-ai-toggle {
  padding: 5px 10px;
  border: 1px solid rgba(140, 233, 255, 0.22);
  border-radius: 999px;
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.05);
  font: inherit;
  font-size: 9px;
  letter-spacing: 0.06em;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

.portal-ai-toggle:hover,
.portal-ai-toggle:focus-visible {
  border-color: rgba(140, 233, 255, 0.52);
  background: rgba(140, 233, 255, 0.1);
  outline: none;
}

.portal-ai-toggle[hidden] {
  display: none;
}

.portal-ai-content {
  position: relative;
  z-index: 1;
  max-width: 900px;
  margin: clamp(34px, 5vw, 54px) 0 0;
  color: var(--ink);
  font-size: clamp(14px, 1.35vw, 16px);
  line-height: 1.75;
  white-space: pre-wrap;
}

.portal-ai-collapsed-preview {
  position: relative;
  z-index: 1;
  margin: 20px 0 0;
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  line-height: 1.6;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-ai-collapsed-preview[hidden] {
  display: none;
}

.portal-ai-panel[data-collapsed="true"] {
  min-height: 0;
  padding-top: 24px;
  padding-bottom: 24px;
}

.portal-ai-panel[data-collapsed="true"] .portal-ai-content,
.portal-ai-panel[data-collapsed="true"] .portal-ai-time {
  display: none;
}

.portal-ai-content h3 {
  margin: 26px 0 8px;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
}

.portal-ai-content h3:first-child {
  margin-top: 0;
}

.portal-ai-content p {
  margin: 0;
}

.portal-ai-time {
  position: relative;
  z-index: 1;
  display: block;
  margin-top: 28px;
  color: var(--faint);
  font-size: 10px;
  letter-spacing: 0.08em;
}

.portal-ai-time[hidden] {
  display: none;
}

.portal-ai-actions {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin-top: 14px;
}

.portal-ai-button {
  display: flex;
  min-height: 64px;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 15px 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: rgba(12, 17, 29, 0.72);
  cursor: pointer;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.portal-ai-button strong {
  color: var(--cyan);
  font-size: 13px;
  letter-spacing: 0.04em;
}

.portal-ai-button span {
  color: var(--muted);
  font-size: 11px;
}

.portal-ai-button:hover:not(:disabled),
.portal-ai-button:focus-visible {
  border-color: rgba(140, 233, 255, 0.5);
  background: rgba(18, 26, 42, 0.9);
  outline: none;
  transform: translateY(-2px);
}

.portal-ai-button:disabled {
  cursor: wait;
  opacity: 0.5;
}

.portal-ai-status {
  min-height: 18px;
  margin: 10px 2px 0;
  color: var(--faint);
  font-size: 10px;
}

.portal-quick-actions {
  margin-top: clamp(56px, 7vw, 88px);
  padding-top: clamp(34px, 4vw, 48px);
  border-top: 1px solid var(--line);
}

.portal-quick-actions-heading {
  margin-bottom: 18px;
}

.portal-quick-actions-heading > p {
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
}

.portal-quick-actions-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.portal-quick-action {
  display: grid;
  min-height: 60px;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 12px;
  padding: 0 18px;
  border: 1px solid var(--line);
  border-radius: 14px;
  color: var(--ink);
  background: rgba(12, 17, 29, 0.72);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.portal-quick-action-icon {
  color: var(--cyan);
  font-size: 18px;
  line-height: 1;
}

.portal-quick-action strong {
  overflow: hidden;
  font-size: 13px;
  letter-spacing: 0.02em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.portal-quick-action-arrow {
  color: var(--faint);
  font-size: 13px;
}

.portal-quick-action:hover,
.portal-quick-action:focus-visible {
  border-color: rgba(140, 233, 255, 0.5);
  background: rgba(18, 26, 42, 0.9);
  outline: none;
  transform: translateY(-2px);
}

.portal-spaces {
  margin-top: clamp(70px, 10vw, 126px);
  padding-top: clamp(48px, 6vw, 72px);
  border-top: 1px solid var(--line);
}

.portal-spaces-heading > p {
  max-width: 280px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  text-align: right;
}

.portal-space-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.portal-page .portal-card {
  min-height: 250px;
  padding: clamp(24px, 3vw, 34px);
  border-radius: 20px;
}

.portal-page .portal-card-events {
  grid-column: 1 / -1;
  min-height: 220px;
}

.portal-page .card-symbol {
  margin-top: 24px;
  font-size: clamp(34px, 4vw, 52px);
}

.portal-page .portal-card h2 {
  margin: auto 0 8px;
  font-size: clamp(28px, 3.2vw, 42px);
}

.portal-page .portal-card p {
  min-height: 0;
  font-size: 12px;
}

.portal-page .card-action {
  margin-top: 20px;
}

@media (max-width: 760px) {
  .portal-topbar-actions .topbar-note {
    display: none;
  }

  .portal-page .portal-main {
    padding-top: 34px;
  }

  .portal-page .portal-hero {
    min-height: 430px;
  }

  .portal-page .portal-space-grid {
    grid-template-columns: 1fr;
  }

  .portal-page .portal-card,
  .portal-page .portal-card-events {
    min-height: 230px;
    grid-column: auto;
  }

  .portal-overview-grid {
    grid-template-columns: 1fr;
  }

  .portal-overview-card {
    min-height: 230px;
  }

  .portal-pinned-section .portal-record-grid {
    grid-template-columns: 1fr;
  }

  .portal-ai-actions {
    grid-template-columns: 1fr;
  }

  .portal-quick-actions-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .portal-page .topbar {
    gap: 12px;
  }

  .portal-page .brand-copy small {
    display: none;
  }

  .portal-page .account-tools {
    gap: 8px;
  }

  .portal-page .current-user {
    max-width: 92px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
  }

  .portal-page .secondary-button,
  .portal-login-link {
    padding: 9px 12px;
  }

  .portal-page .portal-main {
    padding-top: 24px;
  }

  .portal-page .portal-hero {
    min-height: calc(100svh - 132px);
    padding: 34px 20px;
    border-radius: 18px;
  }

  .portal-page .portal-hero h1 {
    gap: 2px;
    font-size: clamp(42px, 13vw, 58px);
  }

  .portal-page .hero-line {
    display: block;
    white-space: nowrap;
  }

  .portal-page .hero-learn {
    display: block;
    white-space: nowrap;
  }

  .portal-landing-actions {
    align-items: flex-start;
    flex-direction: column;
    gap: 12px;
  }

  .portal-hero-login {
    width: 100%;
  }

  .portal-page .hero-meta {
    margin-top: 26px;
  }

  .portal-dashboard-hero {
    padding: 22px 0 40px;
  }

  .portal-dashboard-hero h1 {
    font-size: clamp(40px, 13vw, 54px);
  }

  .portal-record-sections {
    gap: 48px;
    padding-top: 42px;
  }

  .portal-section-heading {
    align-items: flex-start;
  }

  .portal-section-heading h2 {
    font-size: 31px;
  }

  .portal-spaces-heading > p {
    display: none;
  }

  .portal-ai-heading > p {
    display: none;
  }

  .portal-quick-actions-heading > p {
    display: none;
  }

  .portal-ai-panel {
    min-height: 240px;
    padding: 24px;
  }

  .portal-ai-content {
    margin-top: 32px;
    font-size: 14px;
    line-height: 1.75;
  }

  .portal-page .portal-card,
  .portal-page .portal-card-events {
    min-height: 210px;
    padding: 24px;
  }

  .portal-page .site-footer {
    margin-top: 28px;
  }
}

/* Data analysis workspace */
.data-analysis-main { max-width: 1240px; }
.data-analysis-home { padding: 12px 0 30px; }
.data-analysis-hero { max-width: 760px; margin: 0 auto 28px; text-align: center; }
.data-analysis-hero h1 { margin: 0; font-size: clamp(32px, 5vw, 58px); letter-spacing: -.045em; }
.data-analysis-hero p:last-child { margin: 12px auto 0; max-width: 640px; color: var(--muted); line-height: 1.8; }
.data-analysis-version { display: inline-block; margin-left: 8px; padding: 6px 10px; border: 1px solid rgba(96,165,250,.45); border-radius: 999px; color: #60a5fa; font-size: 14px; letter-spacing: .06em; vertical-align: middle; }
.data-analysis-module-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 18px; }
.data-analysis-module-card { position: relative; min-height: 260px; padding: 28px; border: 1px solid rgba(148,163,184,.25); border-radius: 24px; background: linear-gradient(145deg, rgba(16,24,40,.92), rgba(8,13,27,.8)); color: var(--ink); text-align: left; cursor: pointer; overflow: hidden; transition: transform .22s ease, border-color .22s ease, box-shadow .22s ease; }
.data-analysis-module-card::after { position: absolute; right: -50px; bottom: -80px; width: 180px; height: 180px; border-radius: 50%; background: rgba(96,165,250,.12); content: ""; filter: blur(12px); transition: transform .3s ease; }
.data-analysis-module-card:hover, .data-analysis-module-card:focus-visible { transform: translateY(-5px); border-color: rgba(96,165,250,.78); box-shadow: 0 18px 45px rgba(2,6,23,.32); outline: none; }
.data-analysis-module-card:hover::after { transform: scale(1.45); }
.data-analysis-card-symbol { display: inline-flex; width: 48px; height: 48px; align-items: center; justify-content: center; border-radius: 16px; background: rgba(96,165,250,.13); color: #7dd3fc; font-size: 25px; font-weight: 800; }
.data-analysis-card-index { position: absolute; top: 28px; right: 28px; color: #94a3b8; font-size: 12px; letter-spacing: .16em; }
.data-analysis-module-card strong { display: block; margin-top: 28px; font-size: 25px; letter-spacing: -.025em; }
.data-analysis-module-card p { min-height: 54px; margin: 10px 0 18px; color: #94a3b8; line-height: 1.75; }
.data-analysis-card-tags, .data-analysis-card-count { position: relative; z-index: 1; color: #cbd5e1; font-size: 12px; }
.data-analysis-card-count { display: inline-block; margin-left: 10px; color: #67e8f9; }
.data-analysis-card-action { position: absolute; right: 28px; bottom: 27px; z-index: 1; color: #60a5fa; font-weight: 800; }
.data-analysis-trainer { padding: 10px 0 30px; }
.data-analysis-trainer-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 24px; margin-bottom: 18px; }
.data-analysis-trainer-heading h2 { margin: 5px 0 0; font-size: clamp(28px, 4vw, 50px); letter-spacing: -.045em; }
.data-analysis-trainer-heading p:last-child { margin: 8px 0 0; color: var(--muted); }
.data-analysis-session-note { display: flex; justify-content: space-between; gap: 15px; padding: 12px 0; border-bottom: 1px solid rgba(148,163,184,.2); color: #94a3b8; font-size: 12px; }
.data-analysis-question { margin-top: 22px; padding: clamp(22px, 4vw, 46px); border: 1px solid rgba(148,163,184,.25); border-radius: 24px; background: rgba(9,15,29,.74); }
.data-analysis-question-badge { display: inline-flex; padding: 6px 10px; border-radius: 999px; background: rgba(96,165,250,.12); color: #7dd3fc; font-size: 11px; letter-spacing: .08em; }
.data-analysis-question-stem { max-width: 920px; margin: 20px 0 28px; font-size: clamp(22px, 3vw, 36px); line-height: 1.55; letter-spacing: -.025em; }
.data-analysis-options { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 12px; }
.data-analysis-option, .data-analysis-method { display: flex; align-items: center; gap: 13px; padding: 16px; border: 1px solid rgba(148,163,184,.25); border-radius: 14px; background: rgba(15,23,42,.66); color: var(--ink); text-align: left; cursor: pointer; transition: border-color .18s ease, background .18s ease, transform .18s ease; }
.data-analysis-option:hover, .data-analysis-method:hover { transform: translateY(-2px); border-color: rgba(125,211,252,.75); }
.data-analysis-option.is-selected, .data-analysis-method.is-selected { border-color: #38bdf8; background: rgba(14,116,144,.18); }
.data-analysis-option-letter, .data-analysis-method-index { display: inline-flex; width: 30px; height: 30px; flex: 0 0 auto; align-items: center; justify-content: center; border-radius: 10px; background: rgba(148,163,184,.12); color: #7dd3fc; font-weight: 800; }
.data-analysis-option-label { line-height: 1.6; }
.data-analysis-action-row, .data-analysis-estimate-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 20px; }
.data-analysis-action-hint { color: #94a3b8; font-size: 12px; }
.data-analysis-methods { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.data-analysis-methods-title { grid-column: 1 / -1; margin: 0; color: #94a3b8; font-size: 13px; }
.data-analysis-method-name { font-weight: 750; }
.data-analysis-estimate-row input { min-width: 0; flex: 1; padding: 14px 16px; border: 1px solid rgba(148,163,184,.3); border-radius: 12px; background: rgba(15,23,42,.7); color: var(--ink); font: inherit; }
.data-analysis-feedback { margin-top: 18px; padding: clamp(20px, 4vw, 34px); border: 1px solid rgba(96,165,250,.35); border-radius: 22px; background: rgba(15,23,42,.7); }
.data-analysis-feedback-head { font-size: 24px; font-weight: 850; }
.data-analysis-feedback-head.is-correct { color: #86efac; }
.data-analysis-feedback-head.is-wrong { color: #fdba74; }
.data-analysis-feedback-answer { margin: 10px 0 24px; color: #cbd5e1; }
.data-analysis-feedback-title { margin: 20px 0 8px; color: #7dd3fc; font-size: 13px; letter-spacing: .1em; }
.data-analysis-feedback-formula { margin: 0; color: #f8fafc; font-size: 18px; font-weight: 700; }
.data-analysis-feedback-steps { margin: 9px 0 0; padding-left: 22px; color: #cbd5e1; line-height: 1.8; }
.data-analysis-method-results { display: grid; gap: 9px; }
.data-analysis-method-result { display: grid; gap: 4px; padding: 12px 14px; border-left: 3px solid rgba(125,211,252,.75); background: rgba(15,23,42,.55); }
.data-analysis-method-result span, .data-analysis-method-result small { color: #94a3b8; line-height: 1.6; }
.data-analysis-owner-panel { margin: 22px 0 32px; padding: 22px; border: 1px solid rgba(251,191,36,.35); border-radius: 20px; background: rgba(51,35,9,.3); }
.data-analysis-owner-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 18px; }
.data-analysis-owner-panel h2 { margin: 4px 0 6px; }
.data-analysis-owner-panel p { color: #cbd5e1; line-height: 1.7; }
.data-analysis-owner-form-grid { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 12px; }
.data-analysis-owner-input-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; }
.data-analysis-owner-field { display: grid; gap: 6px; margin-top: 14px; color: #fcd34d; font-size: 12px; }
.data-analysis-owner-field input, .data-analysis-owner-field select, .data-analysis-owner-field textarea { min-width: 0; padding: 12px; border: 1px solid rgba(251,191,36,.28); border-radius: 10px; background: rgba(15,23,42,.65); color: var(--ink); font: inherit; }
.data-analysis-owner-field textarea { resize: vertical; line-height: 1.55; }
.data-analysis-owner-options { margin: 16px 0 0; padding: 12px 14px 14px; border: 1px solid rgba(251,191,36,.22); border-radius: 14px; }
.data-analysis-owner-options legend { padding: 0 6px; color: #fcd34d; font-weight: 750; }
.data-analysis-owner-options legend small { color: #cbd5e1; font-size: 11px; font-weight: 500; }
.data-analysis-owner-option-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.data-analysis-owner-option { display: grid; grid-template-columns: 30px minmax(0, .8fr) minmax(0, 1.2fr); align-items: center; gap: 8px; }
.data-analysis-owner-option > span { display: inline-flex; width: 30px; height: 30px; align-items: center; justify-content: center; border-radius: 9px; background: rgba(251,191,36,.15); color: #fcd34d; font-weight: 800; }
.data-analysis-owner-option input { min-width: 0; padding: 10px; border: 1px solid rgba(251,191,36,.28); border-radius: 9px; background: rgba(15,23,42,.65); color: var(--ink); font: inherit; }
.data-analysis-owner-actions { display: flex; gap: 9px; margin-top: 13px; }
.data-analysis-fixed-list { display: grid; gap: 8px; margin: 16px 0 0; padding: 0; list-style: none; }
.data-analysis-fixed-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 12px; border: 1px solid rgba(251,191,36,.18); border-radius: 10px; color: #e2e8f0; }
.data-analysis-fixed-item-copy { min-width: 0; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.data-analysis-status, .learning-status.is-error { color: #fdba74; }
.data-analysis-filters { margin-top: 18px; padding: 16px; border: 1px solid rgba(148,163,184,.2); border-radius: 16px; background: rgba(15,23,42,.48); }
.data-analysis-filter-heading { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin-bottom: 12px; }
.data-analysis-filter-heading span { color: #64748b; font-size: 12px; }
.data-analysis-filter-fields { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); gap: 10px; }
.data-analysis-filter-field { display: grid; gap: 6px; color: #94a3b8; font-size: 11px; }
.data-analysis-filter-field select, .data-analysis-filter-field input { min-width: 0; padding: 9px 10px; border: 1px solid rgba(148,163,184,.24); border-radius: 9px; background: rgba(2,6,23,.5); color: #e2e8f0; font: inherit; }
.data-analysis-option-gap-filter { min-width: 150px; }
.data-analysis-option-gap-filter select { width: 100%; }
.data-analysis-option-gap-custom { width: 100%; }
.data-analysis-option-gap-filter[hidden] { display: none; }
.data-analysis-filter-actions { display: flex; justify-content: flex-end; gap: 8px; margin-top: 12px; }
.data-analysis-stats { display: flex; align-items: stretch; gap: 10px; margin-top: 14px; }
.data-analysis-stat { display: grid; min-width: 120px; gap: 4px; padding: 10px 12px; border: 1px solid rgba(148,163,184,.18); border-radius: 12px; background: rgba(15,23,42,.4); }
.data-analysis-stat span { color: #94a3b8; font-size: 11px; }
.data-analysis-stat strong { color: #7dd3fc; font-size: 20px; }
.data-analysis-history-open { align-self: center; margin-left: auto; padding: 10px 14px; border: 1px solid rgba(125,211,252,.35); border-radius: 10px; background: transparent; color: #7dd3fc; cursor: pointer; }
.data-analysis-feedback-actions { display: flex; gap: 10px; margin-top: 22px; padding-top: 16px; border-top: 1px solid rgba(148,163,184,.18); }
.data-analysis-library { padding: 10px 0 36px; }
.data-analysis-library-heading { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; }
.data-analysis-library-heading h2 { margin: 6px 0 22px; font-size: clamp(30px, 4vw, 52px); }
.data-analysis-library-tabs { display: flex; gap: 8px; margin-bottom: 16px; }
.data-analysis-library-tab { padding: 10px 14px; border: 1px solid rgba(148,163,184,.22); border-radius: 999px; background: rgba(15,23,42,.5); color: #94a3b8; cursor: pointer; }
.data-analysis-library-tab.is-active { border-color: #38bdf8; color: #7dd3fc; }
.data-analysis-history-list { display: grid; gap: 10px; margin: 0; padding: 0; list-style: none; }
.data-analysis-history-item { display: grid; grid-template-columns: 1fr auto; gap: 4px 16px; padding: 16px; border: 1px solid rgba(148,163,184,.2); border-radius: 14px; background: rgba(15,23,42,.5); }
.data-analysis-history-item p { grid-column: 1 / -1; margin: 0; color: #cbd5e1; line-height: 1.6; }
.data-analysis-history-item small { color: #94a3b8; }
.data-analysis-history-empty { padding: 40px 16px; border: 1px dashed rgba(148,163,184,.24); color: #94a3b8; text-align: center; }

@media (max-width: 760px) {
  .data-analysis-module-grid, .data-analysis-options, .data-analysis-methods { grid-template-columns: 1fr; }
  .data-analysis-module-card { min-height: 240px; padding: 22px; }
  .data-analysis-card-index { top: 22px; right: 22px; }
  .data-analysis-card-action { right: 22px; bottom: 22px; }
  .data-analysis-trainer-heading, .data-analysis-session-note, .data-analysis-action-row, .data-analysis-estimate-row { align-items: stretch; flex-direction: column; }
  .data-analysis-action-row .primary-button, .data-analysis-estimate-row .primary-button { width: 100%; }
  .data-analysis-filter-fields { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .data-analysis-stats { flex-wrap: wrap; }
  .data-analysis-history-open { margin-left: 0; }
  .data-analysis-history-item { grid-template-columns: 1fr; }
}

/* Research archive workspace */
.research-main {
  padding: clamp(58px, 7vw, 94px) 0 46px;
}

.research-hero {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 32px;
  padding: 0 clamp(0px, 2vw, 24px) 48px;
}

.research-hero h1 {
  margin: 0;
  color: var(--ink);
  font-size: clamp(48px, 7vw, 92px);
  font-weight: 500;
  letter-spacing: -0.08em;
  line-height: 0.98;
}

.research-hero p:not(.eyebrow) {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
}

.research-hero-marker {
  display: grid;
  gap: 8px;
  min-width: 150px;
  padding: 14px 0 4px 18px;
  border-left: 1px solid rgba(140, 233, 255, 0.36);
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.16em;
  text-align: right;
}

.research-hero-marker strong {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 600;
}

.research-workspace {
  display: grid;
  grid-template-columns: minmax(220px, 270px) minmax(0, 1fr);
  gap: clamp(26px, 4vw, 58px);
  align-items: start;
}

.research-sidebar {
  position: sticky;
  top: 22px;
  padding: 22px 0 0;
}

.research-sidebar-heading,
.research-content-heading,
.research-drawer-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 18px;
}

.research-sidebar-heading h2,
.research-content-heading h2,
.research-drawer-heading h2 {
  margin: 8px 0 0;
  color: var(--ink);
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.05em;
}

.research-live-dot {
  width: 7px;
  height: 7px;
  margin-top: 10px;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 13px var(--lime);
  animation: research-pulse 2.2s ease-in-out infinite;
}

@keyframes research-pulse {
  0%,
  100% {
    opacity: 0.45;
    transform: scale(0.8);
  }

  50% {
    opacity: 1;
    transform: scale(1.15);
  }
}

.research-stats {
  display: grid;
  gap: 8px;
  margin: 26px 0 30px;
}

.research-stat-card {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  padding: 11px 13px;
  border: 1px solid var(--line);
  background: rgba(16, 22, 35, 0.52);
}

.research-stat-card span {
  color: var(--muted);
  font-size: 11px;
}

.research-stat-card strong {
  color: var(--cyan);
  font-size: 20px;
  font-weight: 500;
}

.research-stat-card:nth-child(2) strong {
  color: var(--violet);
}

.research-stat-card:nth-child(3) strong {
  color: var(--lime);
}

.research-filter-form {
  padding: 18px 0 22px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.research-filter-form label,
.research-paper-form label {
  display: grid;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
}

.research-filter-form label > span,
.research-paper-form label > span,
.research-token-field legend,
.research-choice-field legend {
  color: var(--muted);
  font-size: 11px;
}

.research-search-field input,
.research-filter-form select,
.research-paper-form input:not([type="checkbox"]),
.research-paper-form select,
.research-paper-form textarea {
  width: 100%;
  border: 1px solid rgba(184, 201, 236, 0.18);
  border-radius: 1px;
  color: var(--ink);
  background: rgba(8, 12, 22, 0.72);
  outline: none;
  transition: border-color 160ms ease, background 160ms ease, box-shadow 160ms ease;
}

.research-search-field input,
.research-filter-form select,
.research-paper-form input:not([type="checkbox"]),
.research-paper-form select {
  min-height: 39px;
  padding: 9px 11px;
}

.research-paper-form textarea {
  min-height: 100px;
  padding: 11px;
  resize: vertical;
}

.research-search-field input::placeholder,
.research-paper-form input::placeholder,
.research-paper-form textarea::placeholder {
  color: rgba(139, 149, 170, 0.68);
}

.research-search-field input:focus,
.research-filter-form select:focus,
.research-paper-form input:not([type="checkbox"]):focus,
.research-paper-form select:focus,
.research-paper-form textarea:focus {
  border-color: rgba(140, 233, 255, 0.68);
  background: rgba(13, 20, 34, 0.94);
  box-shadow: 0 0 0 3px rgba(140, 233, 255, 0.08);
}

.research-filter-grid {
  display: grid;
  gap: 11px;
  margin-top: 16px;
}

.research-filter-form select {
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--muted) 50%), linear-gradient(135deg, var(--muted) 50%, transparent 50%);
  background-position: calc(100% - 14px) 16px, calc(100% - 10px) 16px;
  background-repeat: no-repeat;
  background-size: 4px 4px, 4px 4px;
}

.research-clear-button {
  margin-top: 16px;
  padding: 0;
  border: 0;
  color: var(--faint);
  background: transparent;
  font-size: 11px;
}

.research-clear-button:hover {
  color: var(--cyan);
}

.research-taxonomy-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.research-taxonomy-tools button {
  padding: 6px 8px;
  border: 1px solid rgba(184, 201, 236, 0.14);
  color: var(--faint);
  background: transparent;
  font-size: 10px;
}

.research-taxonomy-tools button:hover {
  border-color: rgba(140, 233, 255, 0.42);
  color: var(--cyan);
}

.research-sidebar-note {
  display: flex;
  gap: 10px;
  margin-top: 28px;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.75;
}

.research-sidebar-note p {
  margin: 0;
}

.research-note-symbol {
  color: var(--violet);
  font-size: 17px;
  line-height: 1.2;
}

.research-content {
  min-width: 0;
}

.research-content-heading {
  align-items: flex-end;
  padding: 22px 0 20px;
  border-bottom: 1px solid var(--line);
}

.research-add-button {
  min-width: 118px;
  white-space: nowrap;
}

.research-add-button span {
  margin-right: 4px;
  font-size: 17px;
  font-weight: 300;
}

.research-status-message,
.research-form-status {
  min-height: 18px;
  margin: 14px 0 0;
  color: var(--faint);
  font-size: 11px;
}

.research-status-message.is-error,
.research-form-status.is-error {
  color: var(--orange);
}

.research-paper-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.research-paper-card {
  position: relative;
  display: flex;
  min-height: 220px;
  flex-direction: column;
  overflow: hidden;
  padding: 17px 18px 15px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0%, rgba(140, 233, 255, 0.08), transparent 42%),
    rgba(13, 18, 30, 0.74);
  cursor: pointer;
  animation: research-card-in 520ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc(var(--paper-index) * 45ms);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

@keyframes research-card-in {
  from {
    opacity: 0;
    transform: translateY(16px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.research-paper-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 38%;
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), transparent);
  content: "";
}

.research-paper-card:hover {
  border-color: rgba(140, 233, 255, 0.42);
  background:
    radial-gradient(circle at 100% 0%, rgba(158, 140, 255, 0.14), transparent 45%),
    rgba(18, 25, 42, 0.94);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.2);
  transform: translateY(-4px);
}

.research-paper-card-top,
.research-paper-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.research-paper-index {
  color: var(--cyan);
  font-size: 10px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.research-status-pill {
  padding: 4px 7px;
  border: 1px solid rgba(184, 201, 236, 0.16);
  color: var(--muted);
  font-size: 10px;
}

.research-status-reading {
  border-color: rgba(158, 140, 255, 0.35);
  color: var(--violet);
}

.research-status-completed {
  border-color: rgba(210, 250, 135, 0.3);
  color: var(--lime);
}

.research-paper-card h3 {
  margin: 22px 0 9px;
  color: var(--ink);
  font-size: clamp(18px, 2vw, 24px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.3;
}

.research-paper-details {
  display: grid;
  gap: 4px;
  min-height: 32px;
  color: var(--faint);
  font-size: 11px;
  line-height: 1.45;
}

.research-paper-author {
  color: var(--muted);
}

.research-paper-abstract {
  display: -webkit-box;
  overflow: hidden;
  min-height: 20px;
  margin: 13px 0 10px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 1;
}

.research-paper-facets {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: auto;
  padding-top: 12px;
}

.research-facet {
  padding: 4px 6px;
  border: 1px solid rgba(184, 201, 236, 0.13);
  color: var(--faint);
  font-size: 10px;
}

.research-facet-category {
  border-color: rgba(140, 233, 255, 0.22);
  color: var(--cyan);
}

.research-facet-pde {
  border-color: rgba(158, 140, 255, 0.24);
  color: var(--violet);
}

.research-paper-card-footer {
  margin-top: 17px;
  padding-top: 13px;
  border-top: 1px solid var(--line);
}

.research-paper-rating {
  color: var(--faint);
  font-size: 10px;
}

.research-paper-actions {
  display: flex;
  align-items: center;
  gap: 9px;
}

.research-card-link,
.research-card-edit {
  border: 0;
  color: var(--cyan);
  background: transparent;
  font-size: 10px;
}

.research-card-edit {
  padding: 0;
  color: var(--violet);
}

.research-card-link:hover,
.research-card-edit:hover {
  color: var(--ink);
}

.research-empty-state {
  padding: 72px 20px;
  border: 1px dashed var(--line);
  text-align: center;
}

.research-empty-state[hidden],
.research-drawer[hidden],
.research-detail-view[hidden],
.research-paper-form[hidden] {
  display: none;
}

.research-empty-symbol {
  display: block;
  margin-bottom: 17px;
  color: var(--cyan);
  font-size: 42px;
  font-weight: 200;
}

.research-empty-state h3 {
  margin: 0 0 8px;
  font-size: 23px;
  font-weight: 500;
  letter-spacing: -0.04em;
}

.research-empty-state p {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 12px;
}

.research-drawer {
  position: fixed;
  z-index: 20;
  inset: 0;
}

.research-drawer-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(3, 5, 10, 0.66);
  backdrop-filter: blur(4px);
}

.research-drawer-panel {
  position: absolute;
  top: 0;
  right: 0;
  display: flex;
  width: min(680px, 100%);
  height: 100%;
  flex-direction: column;
  overflow-y: auto;
  padding: 28px clamp(20px, 4vw, 46px) 36px;
  border-left: 1px solid rgba(140, 233, 255, 0.2);
  background:
    radial-gradient(circle at 100% 0%, rgba(158, 140, 255, 0.14), transparent 42%),
    rgba(9, 13, 24, 0.98);
  box-shadow: -24px 0 70px rgba(0, 0, 0, 0.28);
  animation: research-drawer-in 260ms ease-out both;
}

@keyframes research-drawer-in {
  from {
    opacity: 0;
    transform: translateX(32px);
  }

  to {
    opacity: 1;
    transform: translateX(0);
  }
}

.research-drawer-heading {
  flex: 0 0 auto;
  align-items: flex-start;
  padding-bottom: 23px;
  border-bottom: 1px solid var(--line);
}

.research-drawer-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.icon-button {
  width: 34px;
  height: 34px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-size: 24px;
  font-weight: 200;
  line-height: 1;
}

.icon-button:hover {
  border-color: rgba(140, 233, 255, 0.5);
  color: var(--cyan);
}

.research-detail-view {
  padding-top: 26px;
  animation: research-detail-in 260ms ease-out both;
}

@keyframes research-detail-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.research-detail-title {
  margin: 0;
  color: var(--ink);
  font-size: clamp(25px, 4vw, 38px);
  font-weight: 500;
  letter-spacing: -0.055em;
  line-height: 1.18;
}

.research-detail-abstract {
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-wrap;
}

.research-detail-meta {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 22px;
  margin-top: 28px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.research-detail-meta-item {
  display: grid;
  gap: 6px;
}

.research-detail-label {
  color: var(--muted);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.research-detail-value {
  color: var(--ink);
  font-size: 13px;
  line-height: 1.5;
}

.research-detail-section {
  margin-top: 25px;
}

.research-detail-section h3 {
  margin: 0 0 9px;
  color: var(--muted);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.research-detail-section p,
.research-detail-identifiers {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
}

.research-detail-identifiers {
  margin-top: 24px;
  color: var(--faint);
  font-size: 11px;
}

.research-detail-notes p {
  color: var(--muted);
}

.research-paper-memory {
  padding: 18px;
  border: 1px solid rgba(140, 233, 255, 0.2);
  background:
    linear-gradient(145deg, rgba(140, 233, 255, 0.055), transparent 52%),
    rgba(8, 13, 23, 0.58);
}

.research-paper-memory-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
}

.research-paper-memory-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.research-paper-memory-ai-button {
  border-color: rgba(177, 140, 255, 0.3);
  color: #cbb8ff;
  background: rgba(177, 140, 255, 0.07);
}

.research-paper-memory-ai-button:hover {
  border-color: rgba(177, 140, 255, 0.58);
  background: rgba(177, 140, 255, 0.13);
}

.research-paper-memory-title,
.research-paper-memory-label {
  color: var(--cyan);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.research-paper-memory-content {
  display: grid;
  gap: 17px;
  margin-top: 18px;
}

.research-paper-memory-block {
  display: grid;
  gap: 7px;
}

.research-paper-memory-text,
.research-paper-memory-list {
  margin: 0;
  color: var(--ink);
  font-size: 13px;
  line-height: 1.75;
  white-space: pre-wrap;
}

.research-paper-memory-list {
  display: grid;
  gap: 5px;
  padding-left: 18px;
}

.research-paper-memory-empty {
  margin: 13px 0;
  color: var(--faint);
  font-size: 12px;
  line-height: 1.7;
}

.research-link-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.research-link-button {
  display: inline-flex;
  align-items: center;
  min-height: 35px;
  padding: 7px 10px;
  border: 1px solid rgba(140, 233, 255, 0.22);
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.06);
  font-size: 11px;
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.research-link-button:hover {
  border-color: rgba(140, 233, 255, 0.58);
  background: rgba(140, 233, 255, 0.12);
  transform: translateY(-2px);
}

.research-paper-form {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 14px;
  padding-top: 24px;
}

.research-form-wide,
.research-token-field,
.research-choice-field,
.research-form-actions,
.research-form-status,
.research-checkbox-field {
  grid-column: 1 / -1;
}

.research-form-wide em {
  color: var(--orange);
  font-style: normal;
}

.research-token-field,
.research-choice-field,
.research-link-editor {
  min-width: 0;
  margin: 0;
  padding: 0;
  border: 0;
}

.research-token-field legend,
.research-choice-field legend,
.research-link-editor legend {
  margin-bottom: 8px;
}

.research-token-list,
.research-option-list {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  min-height: 16px;
  margin-bottom: 8px;
}

.research-token {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 5px 7px;
  border: 1px solid rgba(140, 233, 255, 0.28);
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.06);
  font-size: 11px;
}

.research-token-remove {
  padding: 0;
  border: 0;
  color: var(--faint);
  background: transparent;
  font-size: 14px;
  line-height: 1;
}

.research-token-remove:hover {
  color: var(--orange);
}

.research-option-item {
  display: inline-flex !important;
  align-items: center;
  gap: 6px !important;
  padding: 6px 8px;
  border: 1px solid rgba(184, 201, 236, 0.16);
  color: var(--muted) !important;
  background: rgba(16, 22, 35, 0.52);
  cursor: pointer;
}

.research-option-item:has(input:checked) {
  border-color: rgba(140, 233, 255, 0.42);
  color: var(--cyan) !important;
  background: rgba(140, 233, 255, 0.08);
}

.research-option-item input,
.research-checkbox-field input {
  accent-color: var(--cyan);
}

.research-option-label {
  font-size: 11px;
}

.research-option-empty,
.research-field-hint {
  color: var(--faint);
  font-size: 10px;
}

.research-field-hint {
  margin: 7px 0 0;
}

.research-link-editor-list {
  display: grid;
  gap: 8px;
  margin-bottom: 10px;
}

.research-link-row {
  display: grid;
  grid-template-columns: minmax(88px, 0.35fr) minmax(100px, 0.55fr) minmax(160px, 1.35fr) auto;
  gap: 7px;
  align-items: center;
}

.research-link-row input,
.research-link-row select {
  min-width: 0;
}

.research-link-remove {
  width: 32px;
  min-height: 38px;
  padding: 0;
  border: 1px solid rgba(255, 180, 138, 0.24);
  color: var(--orange);
  background: rgba(255, 180, 138, 0.06);
  font-size: 18px;
  line-height: 1;
}

.research-link-remove:hover {
  border-color: rgba(255, 180, 138, 0.6);
  background: rgba(255, 180, 138, 0.14);
}

.research-link-editor-empty {
  margin-bottom: 10px;
  color: var(--faint);
  font-size: 11px;
}

.research-checkbox-field {
  display: flex !important;
  align-items: center;
  gap: 8px !important;
  color: var(--muted) !important;
}

.research-form-actions {
  display: grid;
  grid-template-columns: 1fr auto auto;
  align-items: center;
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}

.research-form-actions button {
  min-height: 38px;
  padding: 8px 13px;
}

.danger-button {
  border: 1px solid rgba(255, 180, 138, 0.28);
  color: var(--orange);
  background: rgba(255, 180, 138, 0.07);
}

.danger-button:hover {
  border-color: rgba(255, 180, 138, 0.6);
  background: rgba(255, 180, 138, 0.14);
}

body.research-drawer-open {
  overflow: hidden;
}

.research-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  margin-top: 22px;
}

.research-pagination[hidden] {
  display: none;
}

.research-pagination span {
  min-width: 150px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: 0.04em;
  text-align: center;
}

.research-pagination button:disabled {
  cursor: not-allowed;
  opacity: 0.4;
}

.research-global-search {
  display: flex;
  width: 100%;
  max-width: 880px;
  gap: 10px;
  margin: 0 0 22px;
}

.research-global-search label {
  display: grid;
  min-width: 0;
  flex: 1;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  min-height: 48px;
  border: 1px solid rgba(140, 233, 255, 0.25);
  background:
    linear-gradient(110deg, rgba(140, 233, 255, 0.07), rgba(158, 140, 255, 0.04)),
    rgba(8, 12, 22, 0.74);
}

.research-global-search label > span {
  padding: 0 16px;
  color: var(--cyan);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  white-space: nowrap;
}

.research-global-search input {
  width: 100%;
  min-width: 0;
  height: 46px;
  padding: 0 16px;
  border: 0;
  border-left: 1px solid rgba(184, 201, 236, 0.12);
  outline: 0;
  color: var(--ink);
  background: transparent;
  font-size: 13px;
}

.research-global-search input::placeholder {
  color: var(--faint);
}

.research-global-search .primary-button {
  min-width: 92px;
  min-height: 48px;
}

.research-global-search .primary-button:disabled {
  cursor: wait;
  opacity: 0.58;
}

.research-global-search-results {
  width: 100%;
  margin: 0 0 clamp(30px, 5vw, 56px);
  padding: clamp(22px, 3.5vw, 36px);
  border: 1px solid rgba(140, 233, 255, 0.22);
  background:
    radial-gradient(circle at 100% 0%, rgba(158, 140, 255, 0.1), transparent 34%),
    rgba(8, 12, 22, 0.72);
}

.research-global-search-results[hidden] {
  display: none;
}

.research-search-loading {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

.research-search-result-header {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 8px 24px;
  align-items: end;
  padding-bottom: 20px;
}

.research-search-result-header .panel-kicker {
  grid-column: 1 / -1;
}

.research-search-result-header h2 {
  overflow: hidden;
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 500;
  letter-spacing: -0.04em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-search-result-counts {
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.research-search-result-section {
  padding: 20px 0 4px;
  border-top: 1px solid var(--line);
}

.research-search-result-section + .research-search-result-section {
  margin-top: 18px;
}

.research-search-result-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 8px;
}

.research-search-result-heading h3 {
  margin: 0;
  color: var(--cyan);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.research-search-view-all {
  padding: 5px 0;
  border: 0;
  color: var(--violet);
  background: transparent;
  font-size: 11px;
}

.research-search-view-all:hover {
  color: var(--ink);
}

.research-search-result-list {
  display: grid;
  grid-template-columns: 1fr;
}

.research-search-result-item {
  display: grid;
  width: 100%;
  grid-template-columns: minmax(92px, auto) minmax(0, 1fr);
  gap: 5px 16px;
  padding: 15px 10px;
  border: 0;
  border-top: 1px solid rgba(184, 201, 236, 0.1);
  color: inherit;
  background: transparent;
  text-align: left;
  transition: color 160ms ease, background 160ms ease;
}

.research-search-result-item:hover,
.research-search-result-item:focus-visible {
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.045);
}

.research-search-result-type {
  grid-row: 1 / span 3;
  padding-top: 3px;
  color: var(--violet);
  font-size: 9px;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

.research-search-result-title {
  overflow: hidden;
  color: var(--ink);
  font-size: 14px;
  font-weight: 650;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-search-result-meta {
  overflow: hidden;
  color: var(--faint);
  font-size: 10px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-search-result-summary {
  display: -webkit-box;
  overflow: hidden;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.research-search-result-message,
.research-search-empty-copy {
  display: block;
  margin: 12px 0;
  color: var(--faint);
  font-size: 12px;
}

.research-search-result-message.is-error {
  color: var(--orange);
}

.research-search-empty {
  display: grid;
  gap: 8px;
  padding: clamp(34px, 6vw, 66px) 0;
  border-top: 1px solid var(--line);
  text-align: center;
}

.research-search-empty-title {
  color: var(--ink);
  font-size: 14px;
}

.research-search-empty-copy {
  margin: 0;
}

.research-view-tabs {
  display: inline-flex;
  gap: 8px;
  margin: 0 0 clamp(30px, 5vw, 56px);
  padding: 5px;
  border: 1px solid var(--line);
  background: rgba(8, 12, 22, 0.58);
}

.research-view-tab {
  min-width: 138px;
  padding: 11px 16px;
  border: 1px solid transparent;
  color: var(--faint);
  background: transparent;
  font-size: 12px;
  text-align: left;
  transition: border-color 160ms ease, color 160ms ease, background 160ms ease;
}

.research-view-tab span {
  margin-right: 9px;
  color: inherit;
  font-size: 9px;
  letter-spacing: 0.12em;
}

.research-view-tab:hover {
  color: var(--ink);
}

.research-view-tab.is-active {
  border-color: rgba(140, 233, 255, 0.32);
  color: var(--cyan);
  background: rgba(140, 233, 255, 0.08);
}

.research-workspace[hidden] {
  display: none;
}

.research-problem-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 4px;
}

.research-problem-card {
  position: relative;
  display: flex;
  min-height: 280px;
  flex-direction: column;
  overflow: hidden;
  padding: 18px;
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 100% 0%, rgba(158, 140, 255, 0.11), transparent 44%),
    rgba(13, 18, 30, 0.76);
  cursor: pointer;
  animation: research-card-in 520ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  animation-delay: calc(var(--problem-index) * 45ms);
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.research-problem-card::before {
  position: absolute;
  top: 0;
  left: 0;
  width: 42%;
  height: 1px;
  background: linear-gradient(90deg, var(--violet), transparent);
  content: "";
}

.research-problem-card:hover {
  border-color: rgba(158, 140, 255, 0.48);
  background:
    radial-gradient(circle at 100% 0%, rgba(140, 233, 255, 0.11), transparent 44%),
    rgba(18, 25, 42, 0.94);
  box-shadow: 0 16px 42px rgba(0, 0, 0, 0.2);
  transform: translateY(-4px);
}

.research-problem-card h3 {
  margin: 22px 0 12px;
  color: var(--ink);
  font-size: clamp(20px, 2vw, 27px);
  font-weight: 500;
  letter-spacing: -0.045em;
  line-height: 1.3;
}

.research-problem-conclusion {
  display: -webkit-box;
  overflow: hidden;
  margin: 0;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.75;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.research-problem-next {
  display: grid;
  gap: 6px;
  margin-top: 18px;
  padding: 12px 0 0;
  border-top: 1px solid var(--line);
}

.research-problem-next-label {
  color: var(--violet);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.research-problem-next-value {
  display: -webkit-box;
  overflow: hidden;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.research-problem-card .research-paper-card-footer {
  margin-top: auto;
}

.research-problem-status-exploring {
  border-color: rgba(140, 233, 255, 0.32);
  color: var(--cyan);
}

.research-problem-status-validating {
  border-color: rgba(158, 140, 255, 0.4);
  color: var(--violet);
}

.research-problem-status-resolved {
  border-color: rgba(210, 250, 135, 0.34);
  color: var(--lime);
}

.research-problem-status-paused {
  border-color: rgba(255, 180, 138, 0.3);
  color: var(--orange);
}

.research-problem-form .research-problem-paper-field {
  padding-top: 4px;
}

.research-problem-paper-search {
  margin-bottom: 10px;
}

.research-problem-paper-options {
  display: grid;
  max-height: 240px;
  gap: 7px;
  overflow-y: auto;
  padding-right: 4px;
}

.research-problem-paper-option {
  width: 100%;
}

.research-problem-paper-option .research-option-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-problem-paper-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.research-problem-paper-links button {
  text-align: left;
}

.research-problem-literature-heading,
.research-paper-problems-heading,
.research-problem-paper-card-heading,
.research-problem-paper-actions,
.research-problem-literature-footer,
.research-paper-problem-editor-actions {
  display: flex;
  align-items: center;
}

.research-problem-literature-heading,
.research-paper-problems-heading {
  justify-content: space-between;
  gap: 14px;
}

.research-problem-literature-title,
.research-paper-problems-title {
  color: var(--ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.research-problem-literature-summary {
  margin: 8px 0 14px;
  color: var(--faint);
  font-size: 10px;
}

.research-problem-literature-summary.is-error {
  color: var(--orange);
}

.research-problem-literature-feedback {
  min-height: 16px;
  margin: -6px 0 10px;
  color: var(--cyan);
  font-size: 10px;
}

.research-problem-literature-feedback.is-error {
  color: var(--orange);
}

.research-problem-paper-cards {
  display: grid;
  gap: 10px;
}

.research-problem-paper-card {
  display: grid;
  gap: 10px;
  padding: 13px;
  border: 1px solid rgba(184, 201, 236, 0.14);
  background: rgba(8, 12, 22, 0.5);
}

.research-problem-paper-card-heading {
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}

.research-problem-paper-title {
  min-width: 0;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.55;
}

.research-problem-paper-card .research-bibtex-badge {
  flex: 0 0 auto;
}

.research-problem-paper-meta {
  color: var(--faint);
  font-size: 10px;
  line-height: 1.55;
}

.research-problem-paper-note {
  margin: 0;
  padding: 10px 11px;
  border-left: 2px solid rgba(129, 227, 246, 0.4);
  color: rgba(224, 232, 248, 0.82);
  background: rgba(129, 227, 246, 0.045);
  font-size: 11px;
  line-height: 1.7;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.research-problem-paper-actions {
  flex-wrap: wrap;
  gap: 7px;
}

.research-problem-paper-actions .research-link-button {
  padding: 6px 9px;
  font-size: 9px;
}

.research-problem-paper-note-action {
  margin-left: auto;
  color: var(--cyan);
}

.research-problem-paper-note-dialog {
  width: min(620px, calc(100vw - 32px));
}

.research-problem-paper-note-context {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 14px;
  margin: 18px 0;
  padding: 12px 14px;
  border: 1px solid rgba(184, 201, 236, 0.14);
  background: rgba(8, 12, 22, 0.5);
}

.research-problem-paper-note-context-label {
  color: var(--faint);
  font-size: 9px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.research-problem-paper-note-context-value {
  min-width: 0;
  color: var(--ink);
  font-size: 11px;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.research-problem-literature-footer {
  justify-content: flex-end;
  margin-top: 12px;
}

.research-paper-problem-search {
  width: 100%;
  min-height: 39px;
  margin-top: 12px;
  padding: 9px 11px;
  border: 1px solid rgba(184, 201, 236, 0.18);
  border-radius: 1px;
  color: var(--ink);
  background: rgba(8, 12, 22, 0.72);
  outline: none;
}

.research-paper-problem-search:focus {
  border-color: rgba(140, 233, 255, 0.68);
  box-shadow: 0 0 0 3px rgba(140, 233, 255, 0.08);
}

.research-paper-problem-options {
  display: grid;
  max-height: 260px;
  gap: 7px;
  overflow-y: auto;
  margin-top: 10px;
}

.research-paper-problem-option .research-option-label {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.research-paper-problem-editor-actions {
  justify-content: flex-end;
  gap: 8px;
  margin-top: 12px;
}

@media (max-width: 960px) {
  .research-workspace {
    grid-template-columns: 1fr;
  }

  .research-sidebar {
    position: static;
    display: grid;
    grid-template-columns: minmax(180px, 0.55fr) minmax(0, 1fr);
    gap: 20px 28px;
    padding-top: 0;
  }

  .research-sidebar-heading,
  .research-stats,
  .research-sidebar-note {
    grid-column: 1;
  }

  .research-filter-form,
  .research-taxonomy-tools {
    grid-column: 2;
    grid-row: 1 / span 3;
  }

  .research-stats {
    margin: 0;
  }

  .research-sidebar-note {
    margin-top: 0;
  }
}

@media (max-width: 760px) {
  .research-hero {
    align-items: flex-start;
    flex-direction: column;
    padding-bottom: 36px;
  }

  .research-hero-marker {
    min-width: 0;
    padding: 10px 0 0;
    border-top: 1px solid rgba(140, 233, 255, 0.3);
    border-left: 0;
    text-align: left;
  }

  .research-sidebar {
    display: block;
  }

  .research-filter-form {
    margin-top: 24px;
  }

  .research-taxonomy-tools {
    margin-top: 14px;
  }

  .research-paper-list {
    grid-template-columns: 1fr;
  }

  .research-problem-list {
    grid-template-columns: 1fr;
  }

  .research-content-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .research-add-button {
    width: 100%;
  }

  .research-view-tabs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    width: 100%;
  }

  .research-view-tab {
    min-width: 0;
  }
}

@media (max-width: 540px) {
  .research-problem-literature-heading,
  .research-paper-problems-heading,
  .research-problem-paper-card-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .research-problem-literature-heading .research-link-button,
  .research-paper-problems-heading .research-link-button,
  .research-problem-literature-footer .secondary-button {
    width: 100%;
  }

  .research-problem-paper-card .research-bibtex-badge {
    align-self: flex-start;
  }

  .research-problem-paper-actions .research-link-button {
    min-height: 44px;
    padding: 10px 12px;
    font-size: 11px;
  }

  .research-problem-paper-note-action {
    width: 100%;
    margin-left: 0;
  }

  .research-problem-paper-note-context {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 520px) {
  .research-main {
    padding-top: 56px;
  }

  .research-global-search {
    display: grid;
    grid-template-columns: 1fr;
  }

  .research-global-search label {
    grid-template-columns: 1fr;
  }

  .research-global-search label > span {
    padding: 12px 14px 0;
  }

  .research-global-search input {
    border-left: 0;
  }

  .research-global-search .primary-button {
    width: 100%;
  }

  .research-global-search-results {
    padding: 20px 14px;
  }

  .research-search-result-header {
    grid-template-columns: 1fr;
  }

  .research-search-result-counts {
    white-space: normal;
  }

  .research-search-result-item {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .research-search-result-type {
    grid-row: auto;
  }

  .research-paper-form {
    grid-template-columns: 1fr;
  }

  .research-form-grid,
  .research-form-wide,
  .research-token-field,
  .research-choice-field,
  .research-link-editor,
  .research-form-actions,
  .research-form-status,
  .research-checkbox-field {
    grid-column: 1;
  }

  .research-form-actions {
    grid-template-columns: 1fr 1fr;
  }

  .research-form-actions > span {
    display: none;
  }

  .research-form-actions .danger-button {
    grid-column: 1 / -1;
  }

  .research-pagination {
    justify-content: space-between;
    gap: 8px;
  }

  .research-pagination span {
    min-width: 0;
    font-size: 10px;
  }

  .research-detail-meta {
    grid-template-columns: 1fr;
  }

  .research-link-row {
    grid-template-columns: 1fr auto;
  }

  .research-link-row select,
  .research-link-row input {
    grid-column: 1;
  }

  .research-link-row .research-link-remove {
    grid-column: 2;
    grid-row: 1 / span 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .research-paper-card,
  .research-problem-card,
  .research-drawer-panel,
  .research-detail-view,
  .research-live-dot {
    animation: none;
    transition: none;
  }
}

/* Learning workspace */

.learning-workspace,
.learning-main {
  position: relative;
}

.learning-intro {
  max-width: 900px;
}

.learning-overview,
.learning-training-section {
  margin-top: clamp(56px, 8vw, 96px);
}

.learning-section-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--line);
}

.learning-section-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.learning-section-heading > p,
.learning-overview-status {
  max-width: 320px;
  margin: 0 0 5px;
  color: var(--muted);
  font-size: 12px;
  line-height: 1.6;
  text-align: right;
}

.learning-overview-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}

.learning-overview-panel {
  min-width: 0;
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-radius: 22px;
  background:
    linear-gradient(145deg, rgba(140, 233, 255, 0.04), transparent 48%),
    rgba(12, 17, 29, 0.72);
}

.learning-overview-summary {
  border-color: rgba(140, 233, 255, 0.25);
}

.learning-activity-panel {
  grid-column: 1 / -1;
}

.learning-overview-panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  color: var(--ink);
  font-size: 14px;
  font-weight: 600;
}

.learning-overview-panel-head small {
  color: var(--faint);
  font-size: 9px;
  font-weight: 600;
  letter-spacing: 0.13em;
}

.learning-overview-metrics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin-top: 28px;
}

.learning-overview-metric {
  display: grid;
  gap: 7px;
  min-width: 0;
  padding: 18px;
  border: 1px solid rgba(140, 233, 255, 0.12);
  border-radius: 14px;
  background: rgba(140, 233, 255, 0.035);
}

.learning-overview-metric strong {
  color: var(--cyan);
  font-size: clamp(26px, 3vw, 38px);
  font-weight: 600;
  letter-spacing: -0.04em;
}

.learning-overview-metric span,
.learning-overview-topic {
  color: var(--muted);
  font-size: 11px;
}

.learning-overview-topic {
  margin: 22px 0 0;
}

.learning-overview-topic strong {
  margin-left: 8px;
  color: var(--ink);
  font-size: 13px;
}

.learning-module-performance,
.learning-recent-activity {
  display: grid;
  gap: 0;
  margin-top: 20px;
}

.learning-module-performance-row,
.learning-activity-row {
  display: grid;
  align-items: center;
  gap: 18px;
  min-width: 0;
  padding: 14px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.055);
}

.learning-module-performance-row {
  grid-template-columns: minmax(0, 1fr) auto;
}

.learning-module-performance-row span,
.learning-activity-row strong {
  color: var(--ink);
  font-size: 13px;
}

.learning-module-performance-row strong,
.learning-activity-row time,
.learning-activity-row span {
  color: var(--muted);
  font-size: 11px;
  font-weight: 500;
}

.learning-activity-row {
  grid-template-columns: 92px minmax(0, 1fr) auto;
}

.learning-overview-empty {
  margin: 0;
  padding: 24px 0 8px;
  color: var(--faint);
  font-size: 12px;
}

.learning-training-heading {
  margin-bottom: 0;
}

.learning-home,
.common-trainer-view {
  margin-top: clamp(56px, 8vw, 96px);
}

.learning-subject-portal {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 20px;
}

.learning-subject-card {
  display: flex;
  min-height: 430px;
  flex-direction: column;
  padding: clamp(26px, 3vw, 44px);
  border: 1px solid var(--line);
  border-radius: 34px;
  color: var(--ink);
  text-align: left;
  background: rgba(16, 22, 35, .64);
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

a.learning-subject-card { text-decoration: none; }
button.learning-subject-card { width: 100%; font: inherit; cursor: pointer; }
.learning-subject-card:hover { transform: translateY(-5px); border-color: var(--cyan); background: rgba(23, 31, 49, .9); }
.learning-subject-card-violet { border-color: rgba(158, 140, 255, .58); box-shadow: 0 18px 50px rgba(132, 104, 255, .1); }
.learning-subject-card-violet:hover { border-color: var(--violet); }
.learning-subject-card-orange:hover { border-color: var(--orange); }

.learning-subject-icon {
  display: grid;
  width: 72px;
  height: 72px;
  place-items: center;
  border-radius: 24px;
  color: #7c5df6;
  background: rgba(158, 140, 255, .12);
  font-size: 34px;
  font-weight: 700;
}
.learning-subject-card-blue .learning-subject-icon { color: #5da0ff; background: rgba(93, 160, 255, .12); }
.learning-subject-card-orange .learning-subject-icon { color: #ff9a5d; background: rgba(255, 154, 93, .12); }
.learning-subject-card h2 { margin: 36px 0 12px; font-size: clamp(30px, 3vw, 44px); font-weight: 600; letter-spacing: -.06em; }
.learning-subject-card p { margin: 0; color: var(--muted); font-size: 16px; line-height: 1.75; }
.learning-subject-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.learning-subject-tags span { padding: 7px 11px; border-radius: 999px; color: var(--muted); background: rgba(255,255,255,.045); font-size: 12px; }
.learning-subject-action { margin-top: auto; padding-top: 34px; color: var(--violet); font-size: 16px; font-weight: 700; }
.learning-subject-card-orange .learning-subject-action { color: var(--orange); }
.learning-subject-action.is-muted { color: var(--faint); }
.learning-home-actions { display: flex; gap: 10px; }

.common-trainer-view[hidden],
.learning-review-filter[hidden] {
  display: none;
}

.learning-home-heading,
.learning-trainer-heading {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.learning-home-heading h2,
.learning-trainer-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.learning-library-info,
.learning-trainer-heading p:not(.panel-kicker) {
  margin: 12px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.learning-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
  margin-top: 22px;
}

.learning-stat-card {
  display: grid;
  gap: 12px;
  min-height: 108px;
  padding: 18px 20px;
  border: 1px solid rgba(140, 233, 255, 0.2);
  background: linear-gradient(145deg, rgba(140, 233, 255, 0.08), rgba(16, 22, 35, 0.7));
}

.learning-stat-card span {
  color: var(--muted);
  font-size: 12px;
}

.learning-stat-card strong {
  color: var(--cyan);
  font-size: 28px;
  font-weight: 500;
}

.learning-stat-violet {
  border-color: rgba(158, 140, 255, 0.24);
  background: linear-gradient(145deg, rgba(158, 140, 255, 0.09), rgba(16, 22, 35, 0.7));
}

.learning-stat-violet strong {
  color: var(--violet);
}

.learning-stat-lime {
  border-color: rgba(210, 250, 135, 0.24);
  background: linear-gradient(145deg, rgba(210, 250, 135, 0.08), rgba(16, 22, 35, 0.7));
}

.learning-stat-lime strong {
  color: var(--lime);
}

.learning-stat-orange {
  border-color: rgba(255, 180, 138, 0.24);
  background: linear-gradient(145deg, rgba(255, 180, 138, 0.08), rgba(16, 22, 35, 0.7));
}

.learning-stat-orange strong {
  color: var(--orange);
}

.learning-module-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}

.learning-module-card {
  position: relative;
  display: flex;
  min-height: 274px;
  flex-direction: column;
  overflow: hidden;
  padding: 24px 26px;
  border: 1px solid var(--learning-accent-line);
  border-radius: 2px;
  color: var(--ink);
  text-align: left;
  background:
    radial-gradient(circle at 90% 12%, var(--learning-accent-wash), transparent 28%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.05), transparent 52%),
    rgba(16, 22, 35, 0.72);
  animation: learning-card-in 620ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
  transition: border-color 180ms ease, background 180ms ease, transform 180ms ease;
}

.learning-module-card:nth-child(2) {
  animation-delay: 90ms;
}

.learning-module-card:nth-child(3) {
  animation-delay: 180ms;
}

.learning-module-card:nth-child(4) {
  animation-delay: 270ms;
}

@keyframes learning-card-in {
  from {
    opacity: 0;
    transform: translateY(22px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.learning-module-card::after {
  position: absolute;
  right: -4rem;
  bottom: -6rem;
  width: 16rem;
  height: 16rem;
  border-radius: 50%;
  background: var(--learning-accent);
  filter: blur(46px);
  opacity: 0.08;
  transition: opacity 180ms ease;
  content: "";
}

.learning-module-card:hover,
.learning-module-card:focus-visible {
  border-color: var(--learning-accent);
  background:
    radial-gradient(circle at 90% 12%, var(--learning-accent-wash), transparent 34%),
    linear-gradient(145deg, rgba(255, 255, 255, 0.09), transparent 52%),
    rgba(20, 27, 43, 0.94);
  transform: translateY(-4px);
}

.learning-module-card:hover::after {
  opacity: 0.22;
}

.learning-module-card-cyan {
  --learning-accent: var(--cyan);
  --learning-accent-line: rgba(140, 233, 255, 0.28);
  --learning-accent-wash: rgba(140, 233, 255, 0.14);
}

.learning-module-card-violet {
  --learning-accent: var(--violet);
  --learning-accent-line: rgba(158, 140, 255, 0.28);
  --learning-accent-wash: rgba(158, 140, 255, 0.14);
}

.learning-module-card-lime {
  --learning-accent: var(--lime);
  --learning-accent-line: rgba(210, 250, 135, 0.28);
  --learning-accent-wash: rgba(210, 250, 135, 0.12);
}

.learning-module-card-orange {
  --learning-accent: var(--orange);
  --learning-accent-line: rgba(255, 180, 138, 0.28);
  --learning-accent-wash: rgba(255, 180, 138, 0.12);
}

.learning-card-index,
.learning-card-symbol,
.learning-module-card strong,
.learning-module-card small,
.learning-card-action {
  position: relative;
  z-index: 1;
}

.learning-card-index {
  color: var(--learning-accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.learning-card-symbol {
  margin-top: 32px;
  color: var(--learning-accent);
  font-size: 48px;
  font-weight: 200;
  line-height: 1;
}

.learning-module-card strong {
  margin-top: auto;
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 500;
  letter-spacing: -0.06em;
}

.learning-module-card small {
  min-height: 42px;
  margin-top: 8px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.learning-card-action {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: 18px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  color: var(--learning-accent);
  font-size: 12px;
}

.learning-card-action b {
  font-size: 18px;
  font-weight: 400;
}

.learning-status {
  min-height: 22px;
  margin: 16px 0 0;
  color: var(--muted);
  font-size: 13px;
}

.learning-status.is-error {
  color: var(--orange);
}

.learning-trainer-heading {
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
}

.back-link-button {
  padding: 8px 0;
  border: 0;
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  white-space: nowrap;
}

.back-link-button:hover {
  color: var(--ink);
}

.learning-progress-text {
  color: var(--faint);
  font-size: 12px;
  white-space: nowrap;
}

.learning-mode-tabs {
  display: flex;
  gap: 8px;
  margin-top: 24px;
}

.learning-mode-tab {
  padding: 10px 14px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-size: 12px;
  transition: border-color 180ms ease, color 180ms ease, background 180ms ease;
}

.learning-mode-tab.is-active,
.learning-mode-tab:hover {
  border-color: var(--violet);
  color: var(--ink);
  background: rgba(158, 140, 255, 0.12);
}

.learning-filter-bar {
  display: flex;
  align-items: end;
  gap: 12px;
  margin-top: 18px;
  padding: 14px;
  border: 1px solid var(--line);
  background: rgba(16, 22, 35, 0.56);
}

.learning-filter-bar label {
  display: grid;
  min-width: 150px;
  gap: 7px;
  color: var(--muted);
  font-size: 11px;
}

.learning-filter-bar select {
  height: 40px;
  padding: 0 10px;
  border: 1px solid var(--line);
  border-radius: 2px;
  color: var(--ink);
  background: rgba(5, 8, 16, 0.78);
}

.learning-filter-bar .secondary-button {
  margin-left: auto;
  white-space: nowrap;
}

.learning-question {
  min-height: 420px;
  margin-top: 18px;
}

.learning-question-card,
.learning-study-card,
.learning-empty-state {
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 88% 8%, rgba(158, 140, 255, 0.11), transparent 32%),
    rgba(8, 12, 22, 0.74);
  animation: learning-question-in 420ms ease both;
}

@keyframes learning-question-in {
  from {
    opacity: 0;
    transform: translateY(12px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.learning-question-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
}

.learning-question-heading .learning-question-actions {
  margin-top: 0;
  justify-content: flex-end;
}

.learning-question-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.learning-pill {
  padding: 6px 9px;
  border: 1px solid rgba(140, 233, 255, 0.2);
  color: var(--muted);
  font-size: 11px;
}

.learning-favorite-button {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-size: 11px;
}

.learning-favorite-button:hover,
.learning-favorite-button.is-active {
  border-color: var(--lime);
  color: var(--lime);
  background: rgba(210, 250, 135, 0.08);
}

.learning-mastered-button {
  flex: 0 0 auto;
  padding: 7px 10px;
  border: 1px solid var(--line);
  color: var(--muted);
  background: transparent;
  font-size: 11px;
}

.learning-mastered-button:hover,
.learning-mastered-button.is-active {
  border-color: var(--cyan);
  color: var(--cyan);
  background: rgba(140, 233, 255, .08);
}

.learning-question-stem,
.learning-study-title {
  max-width: 900px;
  margin: 34px 0 28px;
  font-size: clamp(22px, 3vw, 34px);
  font-weight: 500;
  letter-spacing: -0.04em;
  line-height: 1.45;
}

.learning-options {
  display: grid;
  gap: 10px;
}

.learning-option {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  align-items: center;
  gap: 14px;
  width: 100%;
  padding: 14px 16px;
  border: 1px solid var(--line);
  color: var(--ink);
  text-align: left;
  background: rgba(16, 22, 35, 0.62);
  transition: border-color 160ms ease, background 160ms ease, transform 160ms ease;
}

.learning-option:hover:not(:disabled),
.learning-option.is-selected {
  border-color: var(--violet);
  background: rgba(158, 140, 255, 0.11);
  transform: translateX(3px);
}

.learning-option.is-correct {
  border-color: var(--lime);
  background: rgba(210, 250, 135, 0.1);
}

.learning-option.is-wrong {
  border-color: var(--orange);
  background: rgba(255, 180, 138, 0.1);
}

.learning-option:disabled {
  cursor: default;
}

.learning-option-index {
  display: grid;
  width: 30px;
  height: 30px;
  place-items: center;
  border: 1px solid var(--line);
  color: var(--violet);
  font-size: 12px;
}

.learning-option-text {
  color: var(--muted);
  font-size: 14px;
  line-height: 1.7;
}

.learning-question-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-top: 24px;
}

.learning-question-hint,
.learning-source-note {
  color: var(--faint);
  font-size: 12px;
}

.learning-answer-result {
  margin-top: 24px;
  padding: 18px;
  border-left: 2px solid var(--lime);
  background: rgba(210, 250, 135, 0.07);
}

.learning-answer-result.is-wrong {
  border-left-color: var(--orange);
  background: rgba(255, 180, 138, 0.07);
}

.learning-answer-result strong {
  color: var(--lime);
  font-size: 16px;
}

.learning-answer-result.is-wrong strong {
  color: var(--orange);
}

.learning-answer-result p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.8;
}

.learning-answer-result small {
  display: block;
  margin-top: 12px;
  color: var(--faint);
  font-size: 11px;
}

.learning-memory-cue {
  margin: 0;
  padding: 20px;
  border-left: 2px solid var(--orange);
  color: var(--ink);
  background: rgba(255, 180, 138, 0.08);
  font-size: 17px;
  line-height: 1.9;
}

.learning-study-title {
  margin-bottom: 20px;
}

.learning-facts {
  display: grid;
  gap: 12px;
  margin: 26px 0 0;
  padding: 0 0 0 20px;
  color: var(--muted);
  line-height: 1.8;
}

.learning-facts li::marker {
  color: var(--cyan);
}

.learning-source-note {
  margin: 24px 0 0;
}

.learning-empty-state {
  display: grid;
  min-height: 420px;
  place-items: center;
  align-content: center;
  text-align: center;
  border-style: dashed;
}

.learning-empty-symbol {
  color: var(--cyan);
  font-size: 48px;
  text-shadow: 0 0 24px rgba(140, 233, 255, 0.3);
}

.verbal-task-nav {
  width: min(100%, 1040px);
  margin-right: auto;
  margin-left: auto;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  margin: 20px 0;
}

.verbal-task-nav button {
  border: 1px solid var(--line);
  background: rgba(14, 22, 40, .76);
  color: var(--muted);
  min-height: 68px;
  font: inherit;
  letter-spacing: .06em;
  cursor: pointer;
}

.verbal-task-nav button.is-active,
.verbal-task-nav button:hover {
  border-color: var(--cyan);
  color: var(--text);
  box-shadow: inset 0 0 32px rgba(93, 214, 255, .08);
}

.verbal-feedback {
  width: min(100%, 1040px);
  margin-right: auto;
  margin-left: auto;
  margin-top: 16px;
  border: 1px solid var(--line);
  padding: 18px;
  background: rgba(10, 15, 29, .76);
}

.verbal-feedback strong { color: var(--cyan); }
.verbal-feedback .primary-button { margin-top: 10px; }

.verbal-study-panel {
  width: min(100%, 1040px);
  margin: 0 auto;
}

.verbal-study-panel .learning-question {
  min-height: 0;
}

.verbal-home,
.verbal-trainer {
  width: min(100%, 1120px);
  margin: 0 auto;
}

.verbal-home-heading {
  margin-bottom: 22px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.verbal-home-heading h2 {
  margin: 8px 0 0;
  font-size: clamp(30px, 4vw, 48px);
  font-weight: 500;
  letter-spacing: -.06em;
}

.verbal-home-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.verbal-home-card {
  display: flex;
  min-height: 270px;
  flex-direction: column;
  align-items: flex-start;
  padding: 28px;
  border: 1px solid var(--line);
  color: var(--text);
  background: rgba(16, 22, 35, .66);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: transform 180ms ease, border-color 180ms ease, background 180ms ease;
}

.verbal-home-card:hover {
  transform: translateY(-4px);
  border-color: var(--violet);
  background: rgba(24, 28, 46, .9);
}

.verbal-home-icon {
  display: grid;
  width: 52px;
  height: 52px;
  place-items: center;
  border-radius: 16px;
  color: var(--violet);
  background: rgba(158, 140, 255, .12);
  font-size: 25px;
  font-weight: 700;
}

.verbal-home-index {
  margin-top: 22px;
  color: var(--faint);
  font-size: 11px;
  letter-spacing: .14em;
}

.verbal-home-card strong {
  margin-top: 7px;
  font-size: 28px;
  font-weight: 600;
  letter-spacing: -.05em;
}

.verbal-home-card p {
  margin: 12px 0 0;
  color: var(--muted);
  line-height: 1.75;
}

.verbal-home-card > span:last-child {
  margin-top: auto;
  padding-top: 22px;
  color: var(--violet);
  font-size: 13px;
  font-weight: 700;
}

.verbal-trainer-heading {
  grid-template-columns: minmax(0, 1fr) auto;
}

.verbal-filter-bar {
  margin-top: 20px;
}

.verbal-question-card {
  min-height: 0;
}

.verbal-mode-tabs {
  margin-bottom: 4px;
}

.verbal-study-card {
  min-height: 0;
}

.verbal-study-section {
  margin-top: 24px;
  padding-top: 18px;
  border-top: 1px solid rgba(140, 233, 255, 0.12);
}

.verbal-study-section h4 {
  margin: 0 0 9px;
  color: var(--faint);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
}

.verbal-study-section p {
  margin: 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.85;
  white-space: pre-wrap;
}

.verbal-study-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.verbal-study-tags span {
  padding: 7px 10px;
  border: 1px solid rgba(158, 140, 255, 0.24);
  color: var(--muted);
  background: rgba(158, 140, 255, 0.08);
  font-size: 12px;
}

.verbal-study-options .learning-option {
  cursor: default;
}

.verbal-study-options .learning-option:hover {
  border-color: var(--line);
  background: rgba(16, 22, 35, 0.62);
  transform: none;
}

.learning-option.is-correct { border-color: var(--lime); color: var(--lime); }
.learning-option.is-wrong { border-color: #ff9177; color: #ffb09d; }

.learning-empty-state h3 {
  margin: 22px 0 8px;
  font-size: 24px;
  font-weight: 500;
}

.learning-empty-state p {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 760px) {
  .learning-overview-grid { grid-template-columns: 1fr; }
  .learning-activity-panel { grid-column: auto; }
  .learning-section-heading {
    align-items: start;
    flex-direction: column;
    gap: 12px;
  }
  .learning-section-heading > p,
  .learning-overview-status {
    max-width: none;
    text-align: left;
  }
  .learning-subject-portal { grid-template-columns: 1fr; }
  .learning-subject-card { min-height: 310px; border-radius: 26px; }
  .verbal-home-grid { grid-template-columns: 1fr; }
  .verbal-home-card { min-height: 230px; padding: 24px; }
  .verbal-task-nav {
    grid-template-columns: 1fr 1fr;
  }

  .learning-stats,
  .learning-module-grid {
    grid-template-columns: 1fr 1fr;
  }

  .learning-home-heading,
  .learning-trainer-heading {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .learning-home-heading .secondary-button {
    width: 100%;
  }

  .learning-trainer-heading .learning-progress-text {
    order: -1;
  }

  .learning-filter-bar {
    align-items: stretch;
    flex-wrap: wrap;
  }

  .learning-filter-bar label {
    flex: 1 1 180px;
  }

  .learning-filter-bar .secondary-button {
    margin-left: 0;
  }
}

@media (max-width: 520px) {
  .learning-stats,
  .learning-module-grid {
    grid-template-columns: 1fr;
  }

  .learning-module-card {
    min-height: 252px;
  }

  .learning-question-heading,
  .learning-question-actions {
    align-items: stretch;
    flex-direction: column;
  }

  .learning-favorite-button,
  .learning-question-actions .primary-button {
    width: 100%;
  }

  .learning-question-actions .primary-button {
    order: -1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .learning-module-card,
  .learning-question-card,
  .learning-study-card {
    animation: none;
    transition: none;
  }
}

/* Data analysis reference workspace */
.data-analysis-page {
  --ink: #172033;
  --muted: #6b7280;
  --faint: #94a3b8;
  --line: #e2e8f0;
  --cyan: #2563eb;
  color: #172033;
  background: #f5f7fb;
}

.data-analysis-page::before {
  background-image: none;
}

.data-analysis-page::after {
  background:
    radial-gradient(circle at 82% 18%, rgba(59, 130, 246, 0.08), transparent 24rem),
    linear-gradient(135deg, transparent 0 55%, rgba(37, 99, 235, 0.035) 55.1% 55.2%, transparent 55.3%);
}

.data-analysis-page .ambient {
  opacity: 0.06;
}

.data-analysis-page .topbar {
  border-color: #e2e8f0;
}

.data-analysis-page .brand-mark {
  border-color: #93c5fd;
  color: #2563eb;
  box-shadow: 0 0 24px rgba(37, 99, 235, 0.1);
}

.data-analysis-page .brand-copy strong,
.data-analysis-page .current-user,
.data-analysis-page .back-link {
  color: #172033;
}

.data-analysis-page .site-shell {
  width: min(1440px, calc(100% - 64px));
}

.data-analysis-page .topbar {
  padding: 22px 0 24px;
}

.data-analysis-page .data-analysis-main {
  max-width: none;
}

.data-analysis-page .data-analysis-home {
  max-width: 1380px;
  margin: 0 auto;
  padding: 18px 0 58px;
}

.data-analysis-page .data-analysis-hero {
  max-width: 980px;
  margin: 0 auto 52px;
  text-align: center;
}

.data-analysis-page .data-analysis-hero .eyebrow {
  margin-bottom: 28px;
  color: #2563eb;
  font-size: 12px;
  letter-spacing: 0.22em;
}

.data-analysis-page .data-analysis-hero h1 {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
  font-size: clamp(48px, 6.2vw, 82px);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 1.08;
}

.data-analysis-page .data-analysis-hero p:last-child {
  max-width: 760px;
  margin: 22px auto 0;
  color: #7c8799;
  font-size: clamp(15px, 1.7vw, 20px);
  line-height: 1.8;
}

.data-analysis-page .data-analysis-module-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 24px;
}

.data-analysis-page .data-analysis-hero h1,
.data-analysis-page .data-analysis-trainer-heading h2,
.data-analysis-page .data-analysis-library-heading h2 {
  color: #172033;
}

.data-analysis-page .data-analysis-module-card {
  display: flex;
  min-height: 348px;
  flex-direction: column;
  padding: 38px 42px;
  border-color: #e2e8f0;
  border-radius: 28px;
  background:
    radial-gradient(circle at 88% 82%, rgba(96, 165, 250, 0.1), transparent 32%),
    #fff;
  color: #172033;
  box-shadow: 0 14px 34px rgba(31, 41, 55, 0.06);
  animation: data-analysis-card-in 640ms cubic-bezier(0.2, 0.8, 0.2, 1) both;
}

.data-analysis-page .data-analysis-module-card:hover,
.data-analysis-page .data-analysis-module-card:focus-visible {
  border-color: #93c5fd;
  box-shadow: 0 20px 46px rgba(37, 99, 235, 0.13);
}

.data-analysis-page .data-analysis-module-card:nth-child(2) { animation-delay: 80ms; }
.data-analysis-page .data-analysis-module-card:nth-child(3) { animation-delay: 160ms; }
.data-analysis-page .data-analysis-module-card:nth-child(4) { animation-delay: 240ms; }
.data-analysis-page .data-analysis-module-card:nth-child(5) { animation-delay: 320ms; }
.data-analysis-page .data-analysis-module-card:nth-child(6) { animation-delay: 400ms; }
.data-analysis-page .data-analysis-module-card:nth-child(7) { animation-delay: 480ms; }
.data-analysis-page .data-analysis-module-card:nth-child(8) { animation-delay: 560ms; }

.data-analysis-page .data-analysis-card-symbol {
  width: 58px;
  height: 58px;
  border-radius: 18px;
  background: #eff6ff;
  color: #60b8ee;
  font-size: 28px;
}

.data-analysis-page .data-analysis-card-index {
  top: 40px;
  right: 42px;
  color: #94a9c4;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.14em;
}

.data-analysis-page .data-analysis-module-card strong {
  margin-top: 42px;
  font-size: clamp(28px, 3vw, 38px);
  font-weight: 800;
  letter-spacing: -0.055em;
}

.data-analysis-page .data-analysis-module-card p {
  min-height: 58px;
  margin: 12px 0 0;
  color: #8292aa;
  font-size: 15px;
  line-height: 1.85;
}

.data-analysis-page .data-analysis-card-tags,
.data-analysis-page .data-analysis-card-count {
  position: absolute;
  bottom: 40px;
  left: 42px;
  max-width: 62%;
  color: #64748b;
  font-size: 13px;
  line-height: 1.5;
}

.data-analysis-page .data-analysis-card-action {
  right: 42px;
  bottom: 38px;
  color: #3b82f6;
  font-size: 15px;
}

.data-analysis-page .data-analysis-card-action b {
  font-size: 22px;
  line-height: 0;
}

.data-analysis-page .data-analysis-card-count {
  top: 76px;
  right: 42px;
  bottom: auto;
  left: auto;
  max-width: none;
  padding: 5px 9px;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #f8fafc;
  color: #94a3b8;
  font-size: 11px;
  line-height: 1.2;
  white-space: nowrap;
}

@keyframes data-analysis-card-in {
  from {
    opacity: 0;
    transform: translateY(18px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.data-analysis-page .data-analysis-trainer {
  max-width: 1020px;
  margin: 0 auto;
  padding: 18px 0 48px;
}

.data-analysis-page .data-analysis-trainer-heading {
  align-items: center;
  margin-bottom: 20px;
}

.data-analysis-page .data-analysis-heading-copy {
  min-width: 0;
}

.data-analysis-page .data-analysis-heading-copy .back-link-button {
  margin-bottom: 14px;
  border-color: #e2e8f0;
  background: #fff;
  color: #475569;
}

.data-analysis-page .data-analysis-trainer-heading h2 {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  font-size: clamp(30px, 4vw, 44px);
}

.data-analysis-page .data-analysis-trainer-heading p:last-child {
  color: #94a3b8;
}

.data-analysis-page .data-analysis-trainer-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.data-analysis-page .data-analysis-owner-panel {
  max-width: 1020px;
  margin: 0 auto 48px;
  border-color: #bfdbfe;
  background: #fff;
  box-shadow: 0 12px 34px rgba(37, 99, 235, 0.08);
}

.data-analysis-page .data-analysis-owner-panel h2 {
  color: #172033;
}

.data-analysis-page .data-analysis-owner-panel p {
  color: #64748b;
}

.data-analysis-page .data-analysis-owner-field,
.data-analysis-page .data-analysis-owner-options legend {
  color: #475569;
}

.data-analysis-page .data-analysis-owner-field input,
.data-analysis-page .data-analysis-owner-field select,
.data-analysis-page .data-analysis-owner-field textarea,
.data-analysis-page .data-analysis-owner-option input {
  border-color: #dbe3ed;
  background: #fbfdff;
  color: #172033;
}

.data-analysis-page .data-analysis-owner-options {
  border-color: #dbe3ed;
}

.data-analysis-page .data-analysis-owner-options legend small {
  color: #94a3b8;
}

.data-analysis-page .data-analysis-owner-option > span {
  background: #eff6ff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-fixed-item {
  border-color: #dbe3ed;
  color: #334155;
}

.data-analysis-page .data-analysis-trainer-actions .secondary-button,
.data-analysis-page .data-analysis-question-next,
.data-analysis-page .data-analysis-start-timer {
  border-color: #dbe3ed;
  background: #fff;
  color: #475569;
  box-shadow: 0 3px 10px rgba(31, 41, 55, 0.04);
}

.data-analysis-page .learning-mode-tabs {
  justify-content: center;
  margin: 0 0 18px;
}

.data-analysis-page .learning-mode-tab {
  border-color: #e2e8f0;
  background: #fff;
  color: #64748b;
}

.data-analysis-page .learning-mode-tab.is-active {
  border-color: #93c5fd;
  background: #eff6ff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-filters {
  margin-top: 0;
  border-color: #e2e8f0;
  background: #fff;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.04);
}

.data-analysis-page .data-analysis-filter-heading strong {
  color: #334155;
}

.data-analysis-page .data-analysis-filter-heading span,
.data-analysis-page .data-analysis-filter-field,
.data-analysis-page .data-analysis-session-note,
.data-analysis-page .data-analysis-action-hint {
  color: #94a3b8;
}

.data-analysis-page .data-analysis-filter-field select,
.data-analysis-page .data-analysis-filter-field input {
  border-color: #e2e8f0;
  background: #fbfdff;
  color: #334155;
}

.data-analysis-page .data-analysis-option-gap-filter {
  padding: 8px 10px 9px;
  border: 1px solid #bfdbfe;
  border-radius: 12px;
  background: #eff6ff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-option-gap-filter select,
.data-analysis-page .data-analysis-option-gap-filter input {
  border-color: #bfdbfe;
  background: #fff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-filter-actions .primary-button,
.data-analysis-page .data-analysis-feedback-actions .primary-button {
  border-color: #172033;
  background: #172033;
  color: #fff;
}

.data-analysis-page .data-analysis-session-note {
  border-color: #e2e8f0;
}

.data-analysis-page .data-analysis-stats {
  margin: 14px 0 0;
}

.data-analysis-page .data-analysis-stat {
  border-color: #e2e8f0;
  background: #fff;
}

.data-analysis-page .data-analysis-stat span {
  color: #94a3b8;
}

.data-analysis-page .data-analysis-stat strong {
  color: #172033;
}

.data-analysis-page .data-analysis-question {
  display: grid;
  gap: 14px;
  margin-top: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.data-analysis-page .data-analysis-question-formula {
  min-height: 280px;
  padding: 24px 26px;
  border: 1px solid #e2e8f0;
  border-radius: 22px;
  background:
    radial-gradient(circle at 86% 12%, rgba(37, 99, 235, 0.08), transparent 28%),
    linear-gradient(145deg, #fff, #fbfdff);
  box-shadow: 0 12px 38px rgba(15, 23, 42, 0.06);
}

.data-analysis-page .data-analysis-question-content {
  min-width: 0;
  padding: 22px;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.04);
}

.data-analysis-page .data-analysis-question-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.data-analysis-page .data-analysis-question-badge {
  background: #eff6ff;
  color: #2563eb;
  font-size: 12px;
  font-weight: 800;
}

.data-analysis-page .data-analysis-question-next,
.data-analysis-page .data-analysis-start-timer {
  border: 1px solid #dbe3ed;
  border-radius: 10px;
  padding: 9px 12px;
  font-size: 12px;
  font-weight: 800;
  cursor: pointer;
}

.data-analysis-page .data-analysis-formula-row {
  display: flex;
  min-height: 154px;
  align-items: center;
  justify-content: center;
  gap: 14px;
  flex-wrap: wrap;
  color: #172033;
  font-size: clamp(24px, 4vw, 42px);
  font-weight: 850;
  line-height: 1.2;
  text-align: center;
}

.data-analysis-page .data-analysis-formula-text {
  color: #172033;
}

.data-analysis-page .data-analysis-fraction {
  display: inline-flex;
  min-width: 132px;
  align-items: center;
  flex-direction: column;
  vertical-align: middle;
}

.data-analysis-page .data-analysis-fraction.is-wide {
  min-width: 180px;
}

.data-analysis-page .data-analysis-fraction-num {
  min-width: 100%;
  padding: 0 12px 6px;
  border-bottom: 2px solid #172033;
}

.data-analysis-page .data-analysis-fraction-den {
  min-width: 100%;
  padding: 7px 12px 0;
}

.data-analysis-page .data-analysis-question-stem {
  max-width: 900px;
  margin: 0 auto 18px;
  color: #64748b;
  font-size: 15px;
  line-height: 1.7;
  text-align: center;
}

.data-analysis-page .data-analysis-question-meta {
  display: flex;
  justify-content: center;
  margin-top: 8px;
  padding-top: 12px;
  border-top: 1px solid #eef2f7;
}

.data-analysis-page .data-analysis-timer-group {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  color: #64748b;
  font-size: 13px;
}

.data-analysis-page .data-analysis-timer {
  color: #172033;
  font-size: 17px;
  font-variant-numeric: tabular-nums;
}

.data-analysis-page .data-analysis-options {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin-top: 4px;
}

.data-analysis-page .data-analysis-option,
.data-analysis-page .data-analysis-method {
  border-color: #e2e8f0;
  background: #fff;
  color: #334155;
  box-shadow: none;
}

.data-analysis-page .data-analysis-option:hover,
.data-analysis-page .data-analysis-method:hover {
  border-color: #93c5fd;
  background: #f8fbff;
}

.data-analysis-page .data-analysis-option.is-selected {
  border-color: #3b82f6;
  background: #eff6ff;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.08);
}

.data-analysis-page .data-analysis-method.is-selected {
  border-color: #3b82f6;
  background: #eff6ff;
  box-shadow: 0 0 0 2px rgba(59, 130, 246, 0.08);
}

.data-analysis-page .data-analysis-option.is-correct {
  border-color: #86efac;
  background: #f0fdf4;
}

.data-analysis-page .data-analysis-option.is-wrong {
  border-color: #fdba74;
  background: #fff7ed;
}

.data-analysis-page .data-analysis-option-letter,
.data-analysis-page .data-analysis-method-index {
  background: #f1f5f9;
  color: #475569;
}

.data-analysis-page .data-analysis-option.is-selected .data-analysis-option-letter {
  background: #dbeafe;
  color: #1d4ed8;
}

.data-analysis-page .data-analysis-method.is-selected .data-analysis-method-index {
  background: #dbeafe;
  color: #1d4ed8;
}

.data-analysis-page .data-analysis-option.is-correct .data-analysis-option-letter {
  background: #dcfce7;
  color: #166534;
}

.data-analysis-page .data-analysis-option.is-wrong .data-analysis-option-letter {
  background: #ffedd5;
  color: #9a3412;
}

.data-analysis-page .data-analysis-option-label {
  color: #334155;
  font-size: 20px;
  font-weight: 850;
}

.data-analysis-page .data-analysis-action-row {
  justify-content: flex-start;
  margin-top: 13px;
}

.data-analysis-page .data-analysis-feedback {
  margin-top: 0;
  padding: 22px;
  border-color: #e2e8f0;
  border-radius: 20px;
  background: #fff;
  box-shadow: 0 8px 24px rgba(31, 41, 55, 0.04);
}

.data-analysis-page .data-analysis-feedback-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  margin-bottom: 12px;
  padding: 14px;
  border: 1px solid transparent;
  border-radius: 14px;
}

.data-analysis-page .data-analysis-feedback-head.is-correct {
  border-color: #bbf7d0;
  background: #ecfdf5;
  color: #047857;
}

.data-analysis-page .data-analysis-feedback-head.is-wrong {
  border-color: #fed7aa;
  background: #fff7ed;
  color: #b45309;
}

.data-analysis-page .data-analysis-feedback-head strong {
  font-size: 19px;
}

.data-analysis-page .data-analysis-feedback-answer {
  margin-top: 5px;
  color: inherit;
  font-size: 13px;
  line-height: 1.6;
}

.data-analysis-page .data-analysis-feedback-metrics {
  color: inherit;
  font-size: 12px;
  font-weight: 800;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-summary-cards {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: 12px;
}

.data-analysis-page .data-analysis-summary-card {
  min-width: 0;
  padding: 10px 11px;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #fff;
}

.data-analysis-page .data-analysis-summary-card span {
  display: block;
  margin-bottom: 4px;
  color: #94a3b8;
  font-size: 10px;
  font-weight: 800;
}

.data-analysis-page .data-analysis-summary-card strong {
  display: block;
  overflow: hidden;
  color: #334155;
  font-size: 15px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-summary-card-error {
  border-color: #bfdbfe;
  background: #eff6ff;
}

.data-analysis-page .data-analysis-summary-card-error strong {
  color: #2563eb;
}

.data-analysis-page .data-analysis-summary-card.is-usable {
  border-color: #86efac;
  background: #f0fdf4;
}

.data-analysis-page .data-analysis-summary-card.is-usable strong {
  color: #15803d;
}

.data-analysis-page .data-analysis-summary-card.is-review {
  border-color: #fdba74;
  background: #fff7ed;
}

.data-analysis-page .data-analysis-summary-card.is-review strong {
  color: #c2410c;
}

.data-analysis-page .data-analysis-equivalent {
  margin-bottom: 10px;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
}

.data-analysis-page .data-analysis-equivalent summary {
  padding: 11px 13px;
  color: #64748b;
  font-size: 13px;
  font-weight: 850;
  cursor: pointer;
  list-style: none;
}

.data-analysis-page .data-analysis-equivalent summary::-webkit-details-marker,
.data-analysis-page .data-analysis-method-result summary::-webkit-details-marker {
  display: none;
}

.data-analysis-page .data-analysis-equivalent-body {
  padding: 12px 13px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
  color: #475569;
  font-size: 13px;
  line-height: 1.7;
}

.data-analysis-page .data-analysis-equivalent-body p {
  margin: 4px 0 0;
}

.data-analysis-page .data-analysis-method-note {
  display: grid;
  gap: 3px;
  margin-bottom: 12px;
  padding: 11px 13px;
  border: 1px solid #dbeafe;
  border-radius: 11px;
  background: #f8fbff;
  color: #475569;
  font-size: 13px;
  line-height: 1.6;
}

.data-analysis-page .data-analysis-method-note > strong {
  color: #172033;
  font-size: 14px;
}

.data-analysis-page .data-analysis-method-note > span:not(.data-analysis-method-note-badge) {
  color: #64748b;
}

.data-analysis-page .data-analysis-feedback-title {
  margin: 18px 0 8px;
  color: #64748b;
  font-size: 14px;
  letter-spacing: 0;
}

.data-analysis-page .data-analysis-method-results {
  gap: 8px;
}

.data-analysis-page .data-analysis-method-result {
  overflow: hidden;
  padding: 0;
  border: 1px solid #e2e8f0;
  border-left: 1px solid #e2e8f0;
  border-radius: 13px;
  background: #fff;
}

.data-analysis-page .data-analysis-method-result[open] {
  border-color: #cbd5e1;
  box-shadow: 0 6px 18px rgba(15, 23, 42, 0.05);
}

.data-analysis-page .data-analysis-method-result.is-priority {
  border-color: #86efac;
  background: #f0fdf4;
  box-shadow: 0 8px 22px rgba(22, 163, 74, 0.1);
}

.data-analysis-page .data-analysis-method-result.is-usable {
  border-color: #bfdbfe;
  background: #f8fbff;
}

.data-analysis-page .data-analysis-method-result.is-best {
  border-color: #fed7aa;
  background: #fffaf5;
}

.data-analysis-page .data-analysis-method-result.is-no {
  border-color: #e2e8f0;
  background: #fff;
}

.data-analysis-page .data-analysis-method-summary {
  display: grid;
  grid-template-columns: minmax(130px, 1fr) auto;
  gap: 10px;
  align-items: center;
  padding: 12px 13px;
  color: #334155;
  cursor: pointer;
  list-style: none;
}

.data-analysis-page .data-analysis-method-summary span {
  color: #475569;
  font-size: 13px;
  font-weight: 750;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-method-meta {
  display: inline-flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  flex-wrap: wrap;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-estimate {
  color: #64748b;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status,
.data-analysis-page .data-analysis-method-note-badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 900;
  line-height: 1.2;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status.is-priority,
.data-analysis-page .data-analysis-method-note-badge.is-usable {
  background: #dcfce7;
  color: #15803d;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status.is-usable {
  background: #dbeafe;
  color: #1d4ed8;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status.is-best {
  background: #ffedd5;
  color: #c2410c;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status.is-no,
.data-analysis-page .data-analysis-method-note-badge.is-no {
  background: #f1f5f9;
  color: #64748b;
}

.data-analysis-page .data-analysis-method-summary .data-analysis-method-status.is-recommended {
  background: #ede9fe;
  color: #6d28d9;
}

.data-analysis-page .data-analysis-method-body {
  display: grid;
  gap: 5px;
  padding: 11px 13px 13px;
  border-top: 1px solid #eef2f7;
  background: #fff;
}

.data-analysis-page .data-analysis-method-body small {
  color: #64748b;
  line-height: 1.6;
}

.data-analysis-page .data-analysis-exact {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 12px;
  padding: 14px;
  border-radius: 14px;
  background: #111827;
  color: #fff;
}

.data-analysis-page .data-analysis-exact strong {
  font-size: 24px;
}

.data-analysis-page .data-analysis-feedback-actions {
  justify-content: flex-end;
  margin-top: 14px;
  padding-top: 14px;
  border-top-color: #e2e8f0;
}

.data-analysis-page .data-analysis-feedback-actions .secondary-button {
  border-color: #fde68a;
  background: #fffbeb;
  color: #a16207;
}

.data-analysis-page .data-analysis-action-row {
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.data-analysis-page .data-analysis-action-row .primary-button {
  flex: 0 0 auto;
  border-color: #172033;
  background: #172033;
  color: #fff;
}

.data-analysis-page .data-analysis-method-summary strong {
  min-width: 0;
}

.data-analysis-page .data-analysis-history-heading,
.data-analysis-page .data-analysis-history-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.data-analysis-page .data-analysis-library {
  max-width: 1380px;
  margin: 0 auto;
  padding: 18px 0 72px;
}

.data-analysis-page .data-analysis-library-heading {
  align-items: flex-end;
  gap: 28px;
}

.data-analysis-page .data-analysis-library-heading h2 {
  margin: 8px 0 10px;
  color: #172033;
  font-size: clamp(48px, 6vw, 76px);
  font-weight: 800;
  letter-spacing: -0.075em;
  line-height: 1.05;
}

.data-analysis-page .data-analysis-library-subtitle {
  margin: 0;
  color: #7c8799;
  font-size: 15px;
  line-height: 1.7;
}

.data-analysis-page .data-analysis-library-heading .secondary-button {
  flex: 0 0 auto;
  border-color: #dbe3ed;
  background: #fff;
  color: #475569;
  box-shadow: 0 5px 16px rgba(31, 41, 55, 0.05);
}

.data-analysis-page .data-analysis-library-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  width: fit-content;
  margin: 34px 0 14px;
  padding: 5px;
  border: 1px solid #e2e8f0;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.72);
}

.data-analysis-page .data-analysis-library-tab {
  padding: 10px 16px;
  border: 0;
  border-radius: 11px;
  background: #fff;
  color: #94a3b8;
  font-size: 14px;
  font-weight: 750;
}

.data-analysis-page .data-analysis-library-tab.is-active {
  border-color: transparent;
  background: #eff6ff;
  color: #2563eb;
  box-shadow: 0 3px 10px rgba(37, 99, 235, 0.08);
}

.data-analysis-page .data-analysis-library-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 16px 0 22px;
  border-bottom: 1px solid #e2e8f0;
}

.data-analysis-page .data-analysis-review-actions {
  display: flex;
  justify-content: flex-end;
  padding: 18px 0 0;
}

.data-analysis-page .data-analysis-review-actions[hidden] {
  display: none;
}

.data-analysis-page .data-analysis-review-complete {
  display: grid;
  gap: 22px;
  padding: clamp(30px, 6vw, 64px);
  border: 1px solid #dbeafe;
  border-radius: 24px;
  background: linear-gradient(145deg, #fff, #f8fbff);
  text-align: center;
}

.data-analysis-page .data-analysis-review-complete h3 {
  margin: 0;
  color: #172033;
  font-size: clamp(30px, 5vw, 52px);
}

.data-analysis-page .data-analysis-review-complete-stats {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.data-analysis-page .data-analysis-review-complete-stats div {
  display: grid;
  gap: 7px;
  padding: 18px;
  border-radius: 16px;
  background: #eff6ff;
  color: #64748b;
}

.data-analysis-page .data-analysis-review-complete-stats strong {
  color: #2563eb;
  font-size: 28px;
}

.data-analysis-page .data-analysis-review-complete-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 10px;
}

.data-analysis-page .data-analysis-library-filter {
  padding: 8px 12px;
  border: 1px solid #e2e8f0;
  border-radius: 999px;
  background: #fff;
  color: #64748b;
  font-size: 12px;
  font-weight: 700;
  transition: border-color 180ms ease, background 180ms ease, color 180ms ease, transform 180ms ease;
}

.data-analysis-page .data-analysis-library-filter:hover {
  transform: translateY(-1px);
  border-color: #93c5fd;
  color: #2563eb;
}

.data-analysis-page .data-analysis-library-filter.is-active {
  border-color: #93c5fd;
  background: #eff6ff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-history-list {
  gap: 18px;
  margin-top: 22px;
}

.data-analysis-page .data-analysis-history-item {
  position: relative;
  gap: 12px 20px;
  padding: 24px 26px;
  border-color: #e2e8f0;
  border-radius: 22px;
  background:
    radial-gradient(circle at 92% 12%, rgba(96, 165, 250, 0.08), transparent 26%),
    #fff;
  box-shadow: 0 12px 30px rgba(31, 41, 55, 0.05);
}

.data-analysis-page .data-analysis-history-item::before {
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: #93c5fd;
  content: "";
}

.data-analysis-page .data-analysis-history-item.is-correct::before {
  background: #6ee7b7;
}

.data-analysis-page .data-analysis-history-item.is-wrong::before {
  background: #fdba74;
}

.data-analysis-page .data-analysis-history-heading strong {
  color: #172033;
  font-size: 20px;
  line-height: 1.4;
}

.data-analysis-page .data-analysis-history-context {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  flex-wrap: wrap;
  gap: 6px;
}

.data-analysis-page .data-analysis-history-context span {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  padding: 4px 9px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.2;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-history-module {
  background: #eff6ff;
  color: #2563eb;
}

.data-analysis-page .data-analysis-history-mode {
  background: #f8fafc;
  color: #64748b;
}

.data-analysis-page .data-analysis-history-status {
  flex: 0 0 auto;
  padding: 4px 8px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 800;
}

.data-analysis-page .data-analysis-history-status.is-correct {
  background: #ecfdf5;
  color: #047857;
}

.data-analysis-page .data-analysis-history-status.is-wrong {
  background: #fff7ed;
  color: #b45309;
}

.data-analysis-page .data-analysis-history-stem {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  color: #334155;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.75;
}

.data-analysis-page .data-analysis-history-meta {
  grid-column: 1 / -1;
  display: block;
  color: #64748b;
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.data-analysis-page .data-analysis-history-explanation {
  grid-column: 1 / -1;
  overflow: hidden;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  background: #f8fafc;
}

.data-analysis-page .data-analysis-history-explanation summary {
  padding: 10px 12px;
  color: #475569;
  font-weight: 800;
  cursor: pointer;
}

.data-analysis-page .data-analysis-history-explanation-body {
  display: grid;
  gap: 7px;
  padding: 10px 12px 12px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
  color: #64748b;
  line-height: 1.6;
}

.data-analysis-page .data-analysis-history-explanation-body p {
  margin: 0;
}

.data-analysis-page .data-analysis-history-methods {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.data-analysis-page .data-analysis-history-methods span {
  display: inline-flex;
  align-items: center;
  padding: 4px 7px;
  border-radius: 999px;
  background: #eff6ff;
  color: #2563eb;
  font-size: 11px;
  font-weight: 750;
  line-height: 1.3;
  white-space: nowrap;
}

.data-analysis-page .data-analysis-history-actions {
  grid-column: 1 / -1;
  justify-content: flex-end;
  flex-wrap: wrap;
  margin-top: 4px;
}

.data-analysis-page.data-analysis-focus .topbar,
.data-analysis-page.data-analysis-focus .data-analysis-trainer-heading,
.data-analysis-page.data-analysis-focus .learning-mode-tabs,
.data-analysis-page.data-analysis-focus .data-analysis-filters,
.data-analysis-page.data-analysis-focus .data-analysis-session-note,
.data-analysis-page.data-analysis-focus .data-analysis-stats,
.data-analysis-page.data-analysis-focus .site-footer {
  display: none;
}

.data-analysis-page.data-analysis-focus .data-analysis-trainer {
  max-width: 840px;
  padding-top: 20px;
}

.data-analysis-focus-exit-row {
  display: flex;
  justify-content: flex-end;
  min-height: 0;
}

.data-analysis-focus-exit {
  display: none;
}

.data-analysis-page.data-analysis-focus .data-analysis-focus-exit:not([hidden]) {
  display: inline-flex;
  position: sticky;
  top: 14px;
  z-index: 20;
  border-color: #93c5fd;
  background: rgba(255, 255, 255, 0.94);
  color: #2563eb;
  box-shadow: 0 8px 24px rgba(37, 99, 235, 0.12);
}

@media (max-width: 760px) {
  .data-analysis-page .site-shell {
    width: min(100% - 32px, 680px);
  }

  .data-analysis-page .data-analysis-home {
    padding: 18px 0 42px;
  }

  .data-analysis-page .data-analysis-hero {
    margin-bottom: 34px;
  }

  .data-analysis-page .data-analysis-hero h1 {
    gap: 8px;
    font-size: clamp(42px, 13vw, 64px);
  }

  .data-analysis-page .data-analysis-hero p:last-child {
    font-size: 14px;
  }

  .data-analysis-page .data-analysis-module-grid {
    gap: 16px;
  }

  .data-analysis-page .data-analysis-module-card {
    min-height: 0;
    padding: 30px 28px;
    border-radius: 24px;
  }

  .data-analysis-page .data-analysis-card-index {
    top: 32px;
    right: 28px;
  }

  .data-analysis-page .data-analysis-module-card strong {
    margin-top: 32px;
  }

  .data-analysis-page .data-analysis-card-tags {
    position: static;
    max-width: none;
    margin-top: 20px;
    line-height: 1.6;
    white-space: normal;
  }

  .data-analysis-page .data-analysis-card-action {
    position: static;
    align-self: flex-end;
    margin-top: 18px;
  }

  .data-analysis-page .data-analysis-card-count {
    top: 70px;
    right: 28px;
  }

  .data-analysis-page .data-analysis-library {
    padding: 18px 0 48px;
  }

  .data-analysis-page .data-analysis-library-heading {
    align-items: stretch;
    flex-direction: column;
    gap: 18px;
  }

  .data-analysis-page .data-analysis-library-heading .secondary-button {
    width: 100%;
  }

  .data-analysis-page .data-analysis-library-tabs {
    width: 100%;
    margin-top: 26px;
  }

  .data-analysis-page .data-analysis-library-tab {
    flex: 1 1 auto;
  }

  .data-analysis-page .data-analysis-history-item {
    grid-template-columns: 1fr;
    padding: 20px 20px 20px 22px;
  }

  .data-analysis-page .data-analysis-history-context {
    justify-content: flex-start;
  }

  .data-analysis-page .data-analysis-review-actions .primary-button,
  .data-analysis-page .data-analysis-review-complete-actions button {
    width: 100%;
  }

  .data-analysis-page .data-analysis-review-complete-stats {
    grid-template-columns: 1fr;
  }

  .data-analysis-page .data-analysis-trainer-heading,
  .data-analysis-page .data-analysis-feedback-head {
    align-items: stretch;
    flex-direction: column;
  }

  .data-analysis-page .data-analysis-trainer-actions,
  .data-analysis-page .data-analysis-trainer-actions button {
    width: 100%;
  }

  .data-analysis-page .data-analysis-owner-heading {
    align-items: stretch;
    flex-direction: column;
  }

  .data-analysis-page .data-analysis-owner-heading .secondary-button {
    width: 100%;
  }

  .data-analysis-page .data-analysis-owner-form-grid,
  .data-analysis-page .data-analysis-owner-input-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .data-analysis-page .data-analysis-owner-option-grid {
    grid-template-columns: 1fr;
  }

  .data-analysis-page .data-analysis-summary-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .data-analysis-page .data-analysis-formula-row {
    min-height: 130px;
    font-size: 28px;
  }

  .data-analysis-page .data-analysis-question-content,
  .data-analysis-page .data-analysis-feedback {
    padding: 16px;
  }

  .data-analysis-page .data-analysis-options {
    grid-template-columns: 1fr;
  }

  .data-analysis-page .data-analysis-method-summary {
    grid-template-columns: 1fr;
    align-items: flex-start;
  }

  .data-analysis-page .data-analysis-method-meta {
    justify-content: flex-start;
  }
}

@media (max-width: 520px) {
  .data-analysis-page .data-analysis-owner-form-grid,
  .data-analysis-page .data-analysis-owner-input-grid {
    grid-template-columns: 1fr;
  }

  .data-analysis-page .data-analysis-owner-option {
    grid-template-columns: 30px minmax(0, 1fr);
  }

  .data-analysis-page .data-analysis-owner-option input {
    grid-column: 2;
  }
}