:root {
  --bg: #f7f8fc;
  --panel: rgba(255, 255, 255, 0.9);
  --panel-strong: #ffffff;
  --line: rgba(43, 66, 103, 0.12);
  --text: #22324a;
  --muted: #6b7a8f;
  --brand: #245ea8;
  --brand-2: #4a8ff0;
  --brand-3: #f0b04f;
  --shadow: 0 26px 58px rgba(40, 67, 105, 0.12);
  --radius-xl: 30px;
  --radius-lg: 24px;
  --radius-md: 18px;
  --space-4: 16px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Microsoft YaHei", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(100, 147, 229, 0.16), transparent 28%),
    radial-gradient(circle at top right, rgba(248, 194, 108, 0.16), transparent 26%),
    linear-gradient(180deg, #f8fbff 0%, #f7f9fd 56%, #fefaf2 100%);
  overflow-x: hidden;
}

a {
  color: inherit;
}

img {
  max-width: 100%;
}

.backdrop {
  position: fixed;
  inset: auto;
  border-radius: 50%;
  opacity: 0.52;
  z-index: 0;
  animation: floaty 11s ease-in-out infinite;
}

.backdrop-one {
  top: 90px;
  left: -56px;
  width: 220px;
  height: 220px;
  background: rgba(89, 145, 235, 0.16);
}

.backdrop-two {
  top: 340px;
  right: -42px;
  width: 190px;
  height: 190px;
  background: rgba(255, 185, 92, 0.2);
  animation-delay: -3s;
}

.backdrop-three {
  bottom: 72px;
  left: 15%;
  width: 170px;
  height: 170px;
  background: rgba(117, 181, 255, 0.12);
  animation-delay: -6s;
}

.page-shell {
  position: relative;
  z-index: 1;
  width: min(1240px, calc(100vw - 32px));
  margin: 20px auto 56px;
}

.panel {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(250, 252, 255, 0.92)),
    var(--panel);
  backdrop-filter: blur(18px);
  border: 1px solid rgba(255, 255, 255, 0.88);
  box-shadow: var(--shadow);
  border-radius: var(--radius-xl);
}

.site-topbar {
  position: sticky;
  top: 12px;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 18px;
  padding: 14px 20px;
  margin: 0 0 22px;
  z-index: 8;
  background:
    radial-gradient(circle at left center, rgba(74, 143, 240, 0.12), transparent 22%),
    radial-gradient(circle at right center, rgba(240, 176, 79, 0.16), transparent 24%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.96), rgba(249, 252, 255, 0.92));
}

.site-brand {
  display: inline-flex;
  align-items: center;
  gap: 15px;
  min-width: 0;
  text-decoration: none;
}

.site-brand-mark {
  width: 64px;
  height: 64px;
  flex: 0 0 64px;
  border-radius: 22px;
  padding: 10px;
  display: grid;
  place-items: center;
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(247, 250, 255, 0.96)),
    linear-gradient(135deg, rgba(74, 143, 240, 0.12), rgba(240, 176, 79, 0.16));
  border: 1px solid rgba(74, 143, 240, 0.14);
  box-shadow: 0 16px 30px rgba(43, 66, 103, 0.12);
}

.site-brand-mark img {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

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

.site-brand-copy strong {
  font-size: 19px;
  line-height: 1.05;
  letter-spacing: 0.01em;
}

.site-brand-copy span {
  font-size: 11px;
  color: var(--muted);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.quick-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 10px;
}

.quick-nav a {
  padding: 10px 16px;
  border-radius: 999px;
  text-decoration: none;
  border: 1px solid rgba(43, 66, 103, 0.08);
  background: rgba(255, 255, 255, 0.7);
  font-weight: 700;
  font-size: 14px;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
}

.quick-nav a:hover,
.quick-nav a.is-current {
  transform: translateY(-1px);
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff;
  box-shadow: 0 16px 30px rgba(74, 143, 240, 0.22);
}

.archive-panel {
  justify-self: end;
}

.archive-pill {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 11px 14px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(43, 66, 103, 0.1);
  box-shadow: 0 12px 24px rgba(43, 66, 103, 0.08);
}

.archive-dot {
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: #2dcc79;
  box-shadow: 0 0 0 6px rgba(45, 204, 121, 0.14);
}

.archive-copy {
  display: grid;
  gap: 2px;
}

.archive-copy strong {
  font-size: 14px;
}

.archive-copy span {
  font-size: 12px;
  color: var(--muted);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.04fr) minmax(320px, 0.96fr);
  gap: 28px;
  align-items: stretch;
  padding: 40px;
  overflow: hidden;
  position: relative;
  background:
    radial-gradient(circle at left top, rgba(74, 143, 240, 0.14), transparent 24%),
    radial-gradient(circle at right top, rgba(240, 176, 79, 0.2), transparent 26%),
    linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(252, 249, 242, 0.94));
}

.hero::before,
.hero::after {
  content: "";
  position: absolute;
  pointer-events: none;
}

.hero::before {
  left: -28px;
  bottom: -34px;
  width: 220px;
  height: 220px;
  background: radial-gradient(circle, rgba(74, 143, 240, 0.13), transparent 62%);
}

.hero::after {
  right: -36px;
  top: -46px;
  width: 230px;
  height: 230px;
  background: radial-gradient(circle, rgba(255, 206, 112, 0.32), transparent 64%);
}

.hero-copy {
  display: grid;
  align-content: center;
  gap: 12px;
  padding-right: 6px;
}

.eyebrow,
.section-kicker {
  display: inline-block;
  padding: 7px 12px;
  border-radius: 999px;
  background: rgba(240, 176, 79, 0.2);
  color: #9f6400;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.hero h1,
.section-head h2,
.page-intro h1,
.study-word,
.quiz-title,
.word-card h3 {
  font-family: "Times New Roman", "Georgia", serif;
}

.hero h1,
.section-head h2 {
  margin: 14px 0 12px;
  line-height: 1.08;
}

.hero h1 {
  font-size: clamp(36px, 4vw, 56px);
  max-width: 9.2em;
}

.hero-copy p,
.section-head p,
.page-intro p,
.word-card p,
.library-summary,
.mission-copy,
.card p,
.source-file-card p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.hero-actions,
.page-tools,
.study-actions,
.word-actions,
.quiz-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.pill-button,
.primary-button,
.secondary-button,
.ghost-button,
.tiny-button {
  appearance: none;
  border: none;
  border-radius: 999px;
  cursor: pointer;
  text-decoration: none;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
}

.pill-button,
.primary-button {
  padding: 13px 22px;
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff;
  font-weight: 700;
  box-shadow: 0 18px 30px rgba(74, 143, 240, 0.22);
}

.pill-button.neutral {
  background: rgba(255, 255, 255, 0.76);
  color: var(--text);
  border: 1px solid rgba(43, 66, 103, 0.1);
  box-shadow: 0 14px 26px rgba(43, 66, 103, 0.08);
}

.secondary-button,
.pill-button.ghost,
.ghost-button,
.tiny-button {
  padding: 12px 18px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  border: 1px solid rgba(43, 66, 103, 0.12);
  box-shadow: 0 12px 20px rgba(43, 66, 103, 0.06);
  font-weight: 700;
}

.tiny-button {
  padding: 10px 14px;
  font-size: 13px;
}

.pill-button:hover,
.primary-button:hover,
.secondary-button:hover,
.ghost-button:hover,
.tiny-button:hover,
.quick-nav a:hover,
.feature-card:hover,
.source-file-card:hover {
  transform: translateY(-2px);
}

.hero-visual,
.card,
.feature-card,
.source-file-card {
  background: rgba(255, 255, 255, 0.82);
  border: 1px solid rgba(43, 66, 103, 0.08);
  box-shadow: 0 18px 34px rgba(43, 66, 103, 0.08);
  border-radius: var(--radius-lg);
}

.hero-stats {
  display: grid;
  gap: 16px;
  align-content: center;
}

.hero-progress,
.stat-card,
.card,
.feature-card,
.source-file-card {
  padding: 22px;
}

.hero-progress-row,
.mini-meter-row,
.progress-row,
.category-row,
.word-top,
.quiz-header,
.library-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.hero-progress-row strong,
.stat-card strong,
.badge-chip strong,
.feature-card strong,
.source-file-card strong,
.progress-row strong {
  font-size: 16px;
}

.progress-bar {
  width: 100%;
  height: 10px;
  border-radius: 999px;
  background: rgba(74, 143, 240, 0.12);
  overflow: hidden;
  margin-top: 12px;
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, var(--brand-2), var(--brand-3));
}

.hero-mini-row,
.badge-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}

.hero-mini-pill,
.badge-chip {
  padding: 15px 14px;
  border-radius: 20px;
  background: rgba(248, 250, 255, 0.9);
  border: 1px solid rgba(43, 66, 103, 0.08);
  text-align: center;
}

.hero-mini-pill strong,
.badge-chip strong {
  display: block;
  font-size: 24px;
  line-height: 1;
}

.hero-mini-pill span,
.badge-chip div,
.muted,
.sync-meta {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.65;
}

.main-layout {
  display: grid;
  gap: 24px;
  margin-top: 24px;
}

.section-panel {
  padding: 28px 32px;
}

.section-head,
.page-intro {
  display: grid;
  gap: 10px;
}

.page-intro h1 {
  margin: 0;
  font-size: clamp(34px, 3vw, 44px);
}

.page-tools {
  margin-top: 2px;
}

.section-head {
  grid-template-columns: minmax(0, auto) minmax(0, 1fr);
  align-items: start;
  gap: 24px;
}

.section-head h2 {
  margin-bottom: 0;
  font-size: clamp(30px, 2.7vw, 42px);
}

.home-flow,
.home-overview,
.progress-grid,
.study-grid {
  display: grid;
  gap: 20px;
  margin-top: 22px;
}

.home-flow,
.study-grid {
  grid-template-columns: minmax(0, 1.15fr) minmax(280px, 0.85fr);
}

.home-overview,
.progress-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.route-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.feature-card {
  display: grid;
  gap: 10px;
  text-decoration: none;
  color: inherit;
}

.feature-card-primary {
  background: linear-gradient(180deg, rgba(74, 143, 240, 0.14), rgba(255, 255, 255, 0.92));
}

.feature-card-accent {
  background: linear-gradient(180deg, rgba(240, 176, 79, 0.16), rgba(255, 255, 255, 0.92));
}

.feature-emoji {
  font-size: 26px;
}

.mission-panel {
  display: grid;
  gap: 18px;
  align-content: start;
}

.mission-copy h3,
.home-side-card h3,
#progressSummary h3,
#badgesBoard h3,
.quiz-title,
.word-card h3,
.study-word {
  margin: 0;
  font-size: 28px;
  line-height: 1.16;
}

.mission-points {
  display: grid;
  gap: 10px;
  padding-left: 18px;
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.7;
}

.study-card {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(220px, 0.78fr);
  gap: 22px;
  align-items: start;
}

.badge,
.mastery-pill {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 13px;
}

.badge {
  background: rgba(240, 176, 79, 0.18);
  color: #9b6300;
}

.mastery-pill {
  background: rgba(74, 143, 240, 0.12);
  color: var(--brand);
}

.study-word {
  margin: 12px 0 10px;
  font-size: clamp(44px, 4vw, 58px);
}

.phonetic {
  color: var(--brand);
  font-size: 15px;
  font-weight: 700;
}

.meaning-box,
.sentence-box,
.mini-meter,
.quiz-card,
.result-card,
.quiz-empty {
  padding: 18px;
  border-radius: 22px;
  background: rgba(249, 251, 255, 0.92);
  border: 1px solid rgba(43, 66, 103, 0.08);
}

.meaning-box.hidden {
  background: rgba(247, 248, 251, 0.7);
}

.meaning-box strong,
.sentence-box strong,
.quiz-helper strong {
  display: inline-block;
  margin-bottom: 8px;
}

.answer-input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(43, 66, 103, 0.14);
  font: inherit;
  color: var(--text);
  background: #fff;
  margin-bottom: 14px;
}

.quiz-root {
  margin-top: 22px;
}

.quiz-card,
.quiz-empty,
.result-card {
  display: grid;
  gap: 16px;
}

.quiz-title {
  font-size: clamp(30px, 2.9vw, 40px);
}

.quiz-helper,
.quiz-footnote {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.72;
}

.quiz-options {
  display: grid;
  gap: 12px;
}

.option-button {
  width: 100%;
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(43, 66, 103, 0.1);
  background: rgba(255, 255, 255, 0.92);
  color: var(--text);
  text-align: left;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
  transition: transform 0.18s ease, background 0.18s ease, border-color 0.18s ease;
}

.option-button:hover {
  transform: translateY(-1px);
}

.option-button.correct {
  background: rgba(74, 194, 120, 0.16);
  border-color: rgba(74, 194, 120, 0.3);
}

.option-button.wrong {
  background: rgba(255, 102, 102, 0.12);
  border-color: rgba(255, 102, 102, 0.25);
}

.accuracy-pill {
  display: inline-flex;
  justify-self: start;
  padding: 8px 12px;
  border-radius: 999px;
  background: rgba(74, 143, 240, 0.14);
  color: var(--brand);
  font-weight: 700;
}

.library-toolbar {
  display: grid;
  gap: 18px;
  margin-top: 22px;
}

.search-box {
  display: grid;
  gap: 10px;
  font-weight: 700;
}

.search-box input {
  width: 100%;
  padding: 14px 16px;
  border-radius: 16px;
  border: 1px solid rgba(43, 66, 103, 0.12);
  background: rgba(255, 255, 255, 0.88);
  font: inherit;
}

.group-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(43, 66, 103, 0.12);
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}

.filter-chip.active {
  background: linear-gradient(135deg, var(--brand-2), var(--brand));
  color: #fff;
  box-shadow: 0 16px 28px rgba(74, 143, 240, 0.18);
}

.library-summary {
  margin-top: 18px;
}

.word-grid,
.category-progress,
.source-files {
  display: grid;
  gap: 16px;
  margin-top: 18px;
}

.word-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.category-progress {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.source-files {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.source-file-card {
  display: grid;
  gap: 8px;
  text-decoration: none;
}

.source-file-card span {
  color: var(--brand);
  font-weight: 700;
}

.source-preview {
  margin-top: 18px;
}

.empty-state,
.error-panel p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.72;
}

.badge-chip.locked {
  opacity: 0.68;
}

.card-soft {
  background: linear-gradient(180deg, rgba(248, 251, 255, 0.96), rgba(255, 252, 245, 0.92));
}

.toast {
  position: fixed;
  left: 50%;
  bottom: 22px;
  transform: translate(-50%, 18px);
  padding: 12px 18px;
  border-radius: 999px;
  background: rgba(35, 50, 74, 0.92);
  color: #fff;
  font-size: 14px;
  box-shadow: 0 16px 30px rgba(35, 50, 74, 0.22);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
  z-index: 20;
}

.toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

@keyframes floaty {
  0%,
  100% {
    transform: translate3d(0, 0, 0);
  }
  50% {
    transform: translate3d(0, -10px, 0);
  }
}

@media (max-width: 1080px) {
  .hero,
  .home-flow,
  .study-grid,
  .home-overview,
  .progress-grid,
  .section-head {
    grid-template-columns: 1fr;
  }

  .route-grid,
  .word-grid,
  .category-progress,
  .source-files {
    grid-template-columns: 1fr 1fr;
  }

  .study-card {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100vw - 20px, 100%);
    margin: 12px auto 34px;
  }

  .site-topbar {
    grid-template-columns: minmax(0, 1fr);
    justify-items: stretch;
    gap: 14px;
    padding: 16px;
  }

  .site-brand {
    justify-self: start;
  }

  .quick-nav {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 2px;
  }

  .quick-nav a {
    white-space: nowrap;
  }

  .archive-panel {
    justify-self: stretch;
  }

  .archive-pill {
    width: 100%;
    justify-content: center;
  }

  .hero,
  .section-panel {
    padding: 22px 18px;
  }

  .route-grid,
  .word-grid,
  .category-progress,
  .source-files,
  .hero-mini-row,
  .badge-list {
    grid-template-columns: 1fr;
  }

  .hero h1 {
    font-size: 36px;
  }

  .page-intro h1,
  .section-head h2,
  .quiz-title,
  .study-word {
    font-size: 32px;
  }

  .search-box input,
  .answer-input {
    font-size: 16px;
  }

  .nav-mobile-hide {
    display: none;
  }
}

/* Refreshed visual system — keep last so legacy component rules cannot override it. */
body { background: #f4f7fa; }
.backdrop { display: none; }
.page-shell { width: min(1160px, calc(100vw - 32px)); margin: 0 auto 44px; }
.panel { border-color: #dce4eb; border-radius: 18px; background: #fff; box-shadow: 0 10px 30px rgba(34,50,74,.06); backdrop-filter: none; }
.site-topbar { top: 0; gap: 14px; padding: 10px 14px; margin-bottom: 16px; border-radius: 0 0 18px 18px; background: rgba(255,255,255,.94); backdrop-filter: blur(14px); }
.site-brand { gap: 10px; }
.site-brand-mark { width: 46px; height: 46px; flex-basis: 46px; padding: 7px; border-radius: 11px; box-shadow: none; }
.site-brand-copy strong { font-size: 17px; }
.quick-nav { flex-wrap: nowrap; justify-content: center; gap: 5px; overflow-x: auto; scrollbar-width: none; }
.quick-nav a { min-height: 38px; display: inline-flex; align-items: center; padding: 0 11px; border-color: transparent; border-radius: 8px; background: transparent; box-shadow: none; font-size: 13px; }
.quick-nav a:hover { color: var(--text); background: #eef2f7; box-shadow: none; }
.quick-nav a.is-current { color: #fff; background: var(--brand); box-shadow: none; }
.quick-nav a.portal-link { color: var(--brand); border-color: #cdddf0; background: #edf4fc; }
.archive-pill { padding: 8px 11px; border-radius: 10px; box-shadow: none; }
.hero { grid-template-columns: minmax(0,1fr) minmax(330px,.86fr); gap: 24px; padding: 30px; background: #fff; }
.hero::before, .hero::after { display: none; }
.eyebrow, .section-kicker { padding: 0; border-radius: 0; color: var(--brand); background: transparent; font-size: 11px; font-weight: 800; letter-spacing: .12em; }
.hero h1, .section-head h2, .page-intro h1, .study-word, .quiz-title, .word-card h3 { font-family: "Avenir Next", "PingFang SC", "Microsoft YaHei", sans-serif; letter-spacing: -.025em; }
.hero h1 { max-width: 11em; font-size: clamp(36px,4vw,50px); }
.hero-copy p { font-size: 16px; }
.pill-button, .primary-button, .secondary-button, .pill-button.ghost, .pill-button.neutral, .ghost-button { min-height: 44px; display: inline-flex; align-items: center; justify-content: center; padding: 0 17px; border-radius: 9px; box-shadow: none; }
.pill-button, .primary-button { background: var(--brand); }
.hero-visual, .hero-progress, .stat-card, .card, .feature-card, .source-file-card { border-color: #dce4eb; border-radius: 12px; background: #f7f9fc; box-shadow: none; }
body[data-page="home"] .hero { grid-template-columns: minmax(0,1.08fr) minmax(390px,.92fr); align-items: center; padding: 28px 30px; }
body[data-page="home"] .hero-copy { padding-block: 10px; }
body[data-page="home"] .hero-stats { grid-template-columns: repeat(3,minmax(0,1fr)); gap: 10px; align-content: center; }
body[data-page="home"] .hero-progress { grid-column: 1 / -1; padding: 16px; }
body[data-page="home"] .hero-mini-row { gap: 8px; margin-top: 14px; }
body[data-page="home"] .hero-mini-pill { padding: 11px 10px 10px; }
body[data-page="home"] .hero-mini-pill strong { font-size: 24px; }
body[data-page="home"] .hero-mini-pill span { margin-top: 6px; }
body[data-page="home"] .stat-card { min-height: 104px; padding: 13px; }
body[data-page="home"] .stat-card strong { display: block; margin-top: 7px; font-size: 25px; }
body[data-page="home"] .stat-card .muted { font-size: 11px; line-height: 1.4; }
.main-layout { gap: 16px; margin-top: 16px; }
.section-panel { padding: 24px; }
.page-intro { background: #fff; }
.section-head { gap: 16px; }
.section-head h2 { font-size: clamp(27px,3vw,35px); }
.home-flow, .home-overview, .progress-grid, .study-grid { gap: 16px; margin-top: 16px; }
.route-grid { gap: 12px; }
.feature-card { padding: 18px; }
.feature-card-primary, .feature-card-accent, .card-soft { background: #f3f6fa; }
.hero-mini-pill, .badge-chip { border-radius: 10px; background: #fff; }
:where(a, button, input, textarea, select):focus-visible { outline: 3px solid rgba(36,94,168,.42); outline-offset: 3px; }
@media (max-width: 760px) {
  .page-shell { width: min(100vw - 16px,100%); margin: 0 auto 30px; }
  .site-topbar { grid-template-columns: auto minmax(0,1fr) auto; justify-items: initial; gap: 10px; padding: 10px; }
  .site-brand-copy { display: none; }
  .quick-nav { justify-content: flex-start; }
  .archive-panel { justify-self: end; }
  .archive-pill { width: auto; }
  .archive-copy { display: none; }
  .hero { grid-template-columns: minmax(0,1fr); gap: 18px; }
  .hero-copy, .hero-visual { min-width: 0; }
  .hero, .section-panel { padding: 20px; }
  body[data-page="home"] .hero { grid-template-columns: minmax(0,1fr); padding: 20px; }
  body[data-page="home"] .hero-stats { grid-template-columns: repeat(3,minmax(0,1fr)); }
  body[data-page="home"] .hero-progress { grid-column: 1 / -1; }
  body[data-page="home"] .hero-mini-row { grid-template-columns: repeat(3,minmax(0,1fr)); }
  body[data-page="home"] .stat-card { min-height: 88px; }
  body[data-page="home"] .stat-card .muted { display: none; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}