@import url("tokens.css");

/* Study Desk — calm study-app theme. System fonts only (offline-safe). */
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bg);
  line-height: 1.6;
  font-size: 16px;
  padding-bottom: 0;
}
::selection { background: var(--accent-soft); }

/* ---------- top bar ---------- */
.topbar {
  position: sticky; top: 0; z-index: 60;
  height: var(--top-h);
  background: color-mix(in srgb, var(--surface) 88%, transparent);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.topbar-inner {
  max-width: calc(var(--maxw) + var(--side-w) + 4rem);
  margin: 0 auto; height: var(--top-h);
  padding: 0 1.25rem;
  display: flex; align-items: center; gap: 0.75rem;
}
.brand { display: flex; align-items: center; gap: 0.6rem; text-decoration: none; color: inherit; margin-right: auto; }
.brand-mark {
  width: 32px; height: 32px; flex: 0 0 32px;
  border-radius: 9px; display: grid; place-items: center;
  background: var(--accent-deep); color: #f0e3bd;
  font-family: var(--serif); font-weight: bold; font-size: 18px;
}
[data-theme="dark"] .brand-mark { background: var(--accent-soft); color: var(--gold); }
.brand-name { font-family: var(--serif); font-size: 1.02rem; display: block; line-height: 1.15; }
.brand-sub { font-size: 0.72rem; color: var(--muted); display: block; line-height: 1.2; }

.searchbox { position: relative; width: min(320px, 38vw); }
.searchbox input {
  width: 100%; font: inherit; font-size: 0.9rem;
  padding: 0.45rem 0.8rem 0.45rem 2rem;
  border: 1px solid var(--line); border-radius: 999px;
  background: var(--surface-2); color: var(--ink);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%236b7a70' stroke-width='2.4'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M20 20l-3.5-3.5'/%3E%3C/svg%3E");
  background-repeat: no-repeat; background-position: 0.65rem center;
}
.searchbox input:focus { outline: 2px solid var(--accent); outline-offset: 1px; background: var(--surface); }
.search-results {
  position: absolute; top: calc(100% + 6px); right: 0; width: min(360px, 80vw);
  background: var(--surface); border: 1px solid var(--line);
  border-radius: var(--radius); box-shadow: var(--shadow-lg);
  overflow: hidden; max-height: 320px; overflow-y: auto;
}
.search-results a { display: block; padding: 0.55rem 0.85rem; text-decoration: none; color: inherit; border-bottom: 1px solid var(--line); }
.search-results a:last-child { border-bottom: 0; }
.search-results a:hover, .search-results a:focus-visible { background: var(--surface-2); }
.search-results b { display: block; font-size: 0.9rem; }
.search-results span { font-size: 0.78rem; color: var(--muted); }
.search-none { padding: 0.7rem 0.85rem; font-size: 0.86rem; color: var(--muted); }

.iconbtn {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink);
  border-radius: 10px; width: 38px; height: 38px; flex: 0 0 38px;
  font-size: 1.05rem; cursor: pointer; display: grid; place-items: center;
}
.iconbtn:hover { border-color: var(--accent); }
.menu-btn { display: none; }

/* ---------- shell + sidebar ---------- */
.shell {
  max-width: calc(var(--maxw) + var(--side-w) + 4rem);
  margin: 0 auto; padding: 0 1.25rem;
  display: grid; grid-template-columns: var(--side-w) minmax(0, 1fr); gap: 2rem;
  align-items: start;
}
.side {
  position: sticky; top: calc(var(--top-h) + 1.25rem);
  padding: 1.25rem 0 2rem;
  max-height: calc(100vh - var(--top-h) - 1.25rem);
  overflow-y: auto;
}
.side-group { margin-bottom: 1.1rem; }
.side-label {
  font-size: 0.7rem; font-weight: 700; letter-spacing: 0.09em;
  text-transform: uppercase; color: var(--muted);
  padding: 0 0.7rem; margin-bottom: 0.3rem;
}
.side a.side-link {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.42rem 0.7rem; border-radius: var(--radius-sm);
  text-decoration: none; color: var(--ink-soft); font-size: 0.92rem;
}
.side a.side-link:hover { background: var(--surface-2); color: var(--ink); }
.side a.side-link.active { background: var(--accent-soft); color: var(--accent-deep); font-weight: 650; }
[data-theme="dark"] .side a.side-link.active { color: var(--accent); }
.scrim { display: none; }

/* ---------- content ---------- */
.content { min-width: 0; padding: 1.75rem 0 4rem; }
.content-narrow { max-width: var(--maxw); }
.page-eyebrow {
  font-size: 0.74rem; font-weight: 700; letter-spacing: 0.08em;
  text-transform: uppercase; color: var(--gold); margin: 0 0 0.35rem;
}
.page-title {
  font-family: var(--serif);
  font-size: clamp(1.7rem, 3.5vw, 2.3rem);
  line-height: 1.15; margin: 0 0 0.5rem; letter-spacing: -0.01em;
}
.page-lede { color: var(--ink-soft); font-size: 1.03rem; max-width: 62ch; margin: 0 0 1.5rem; }
.section-title {
  font-family: var(--serif); font-size: 1.3rem;
  margin: 2.4rem 0 0.8rem; letter-spacing: -0.005em;
}
h3.rule { font-family: var(--serif); margin: 1.4rem 0 0.35rem; font-size: 1.08rem; }

/* ---------- hero (dashboard) ---------- */
.hero {
  background: linear-gradient(135deg, var(--accent-deep), var(--accent));
  color: #f2f6f2; border-radius: calc(var(--radius) + 4px);
  padding: 1.6rem 1.7rem; box-shadow: var(--shadow);
  margin-bottom: 1.1rem; position: relative; overflow: hidden;
}
.hero::after {
  content: "§"; position: absolute; right: 1rem; bottom: -2.2rem;
  font-family: var(--serif); font-size: 9rem; opacity: 0.1; line-height: 1;
}
.hero h1 { font-family: var(--serif); font-size: clamp(1.5rem, 3vw, 2rem); margin: 0 0 0.3rem; letter-spacing: -0.01em; }
.hero p { margin: 0.2rem 0; color: #cfddd2; font-size: 0.95rem; max-width: 56ch; }
.big-count { font-family: var(--serif); font-size: clamp(1.6rem, 4vw, 2.4rem); margin: 0.5rem 0 0.2rem; color: #f0e3bd; }
.hero-meta { font-size: 0.86rem; color: #cfddd2; }
.hero-meta strong { color: #f0e3bd; }

/* ---------- panels, stats, progress ---------- */
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; margin: 1rem 0 0; }
.panel {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.1rem 1.2rem; background: var(--surface); box-shadow: var(--shadow);
}
.panel h2 { font-family: var(--serif); font-size: 1.08rem; margin: 0 0 0.6rem; }
.panel p { font-size: 0.92rem; color: var(--ink-soft); margin: 0.4rem 0; }
.stat-row { display: flex; gap: 1.25rem; flex-wrap: wrap; margin-top: 0.6rem; }
.stat { min-width: 96px; }
.stat b { display: block; font-size: 1.45rem; font-family: var(--serif); }
.stat span { font-size: 0.78rem; color: var(--muted); }
.progress-line { font-size: 0.85rem; color: var(--muted); }
.progress { height: 8px; border-radius: 999px; background: var(--surface-2); overflow: hidden; margin-top: 0.5rem; border: 1px solid var(--line); }
.progress > i { display: block; height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent-deep)); border-radius: 999px; }
[data-theme="dark"] .progress > i { background: linear-gradient(90deg, var(--accent-deep), var(--accent)); }
.continue-list { list-style: none; margin: 0.6rem 0 0; padding: 0; display: grid; gap: 0.45rem; }
.continue-list a {
  display: flex; justify-content: space-between; align-items: center; gap: 0.8rem;
  padding: 0.55rem 0.75rem; border: 1px solid var(--line); border-radius: var(--radius-sm);
  text-decoration: none; color: inherit; font-size: 0.9rem; background: var(--surface);
}
.continue-list a:hover { border-color: var(--accent); }
.continue-list small { color: var(--muted); white-space: nowrap; }

/* ---------- entry cards ---------- */
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.topic-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1.15rem 1.2rem; background: var(--surface);
  display: flex; flex-direction: column; gap: 0.5rem; box-shadow: var(--shadow);
  text-decoration: none; color: inherit; transition: transform 0.12s ease, border-color 0.12s ease;
}
a.topic-card:hover { border-color: var(--accent); transform: translateY(-2px); }
.topic-kicker { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.07em; color: var(--gold); text-transform: uppercase; }
.topic-card h3 { font-family: var(--serif); margin: 0; font-size: 1.12rem; }
.topic-card p { margin: 0; font-size: 0.9rem; color: var(--ink-soft); }
.topic-card .go { margin-top: auto; padding-top: 0.4rem; font-size: 0.87rem; font-weight: 650; color: var(--accent-deep); }
[data-theme="dark"] .topic-card .go { color: var(--accent); }

/* ---------- accordion notes ---------- */
.acc {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); margin: 0.75rem 0; box-shadow: var(--shadow);
  overflow: hidden;
}
.acc > summary {
  cursor: pointer; list-style: none;
  padding: 0.95rem 1.15rem; display: flex; align-items: baseline; gap: 0.7rem;
}
.acc > summary::-webkit-details-marker { display: none; }
.acc > summary::before {
  content: "+"; flex: 0 0 1.4em; text-align: center;
  font-weight: 700; color: var(--accent-deep);
  border: 1px solid var(--line); border-radius: 6px; line-height: 1.4;
}
[data-theme="dark"] .acc > summary::before { color: var(--accent); }
.acc[open] > summary::before { content: "–"; }
.acc > summary:hover { background: var(--surface-2); }
.acc > summary h2, .acc > summary h3 {
  font-family: var(--serif); font-size: 1.08rem; margin: 0; display: inline;
}
.acc-body { padding: 0 1.2rem 1.1rem; border-top: 1px dashed var(--line); padding-top: 0.9rem; margin: 0 1.15rem 1.15rem; padding-left: 0; padding-right: 0; }
.acc-body h3 { font-family: var(--serif); margin: 1rem 0 0.35rem; font-size: 1.02rem; }
.acc-body h3:first-child { margin-top: 0; }
.acc-body p, .acc-body li { font-size: 0.94rem; color: var(--ink-soft); }
.acc-body ul, .note-block ul { margin: 0.4rem 0; padding-left: 1.2rem; }
.acc-meta { font-size: 0.78rem; color: var(--muted); font-weight: 400; margin-left: 0.4rem; }

/* legacy note blocks still supported */
.note-block {
  border: 1px solid var(--line); border-radius: var(--radius);
  padding: 1rem 1.2rem; margin: 0.9rem 0; background: var(--surface); box-shadow: var(--shadow);
}
.note-block h3 { font-family: var(--serif); margin: 0 0 0.4rem; font-size: 1.05rem; }
.note-block p, .note-block li { font-size: 0.94rem; color: var(--ink-soft); }

.summary-box {
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); background: var(--surface);
  padding: 0.9rem 1.1rem; margin: 1rem 0; font-size: 0.94rem; box-shadow: var(--shadow);
}
.summary-box h2 { font-family: var(--serif); font-size: 1rem; margin: 0 0 0.35rem; }
.exam-tip {
  border-radius: var(--radius-sm); background: var(--gold-soft);
  border: 1px solid var(--gold-line); padding: 0.7rem 0.9rem; margin: 0.7rem 0; font-size: 0.9rem;
}
.exam-tip strong { color: var(--gold); }
.warn-box {
  border-radius: var(--radius-sm); background: var(--danger-soft);
  border: 1px solid var(--danger-line); padding: 0.7rem 0.9rem; margin: 0.7rem 0; font-size: 0.9rem;
}
.recall-box {
  border-radius: var(--radius-sm); background: var(--surface-2);
  border: 1px dashed var(--line-strong); padding: 0.7rem 0.9rem; margin: 0.7rem 0; font-size: 0.9rem;
}
table.statute { width: 100%; border-collapse: collapse; font-size: 0.88rem; margin: 0.6rem 0; }
table.statute th, table.statute td { text-align: left; padding: 0.5rem 0.65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
table.statute th { background: var(--surface-2); font-family: var(--serif); }
.case-tag {
  display: inline-block; font-size: 0.74rem; font-weight: 700;
  background: var(--accent-soft); color: var(--accent-deep);
  border-radius: 5px; padding: 0.1rem 0.45rem; margin-right: 0.35rem;
}
[data-theme="dark"] .case-tag { color: var(--accent); }

/* ---------- pager ---------- */
.pager { display: flex; justify-content: space-between; gap: 1rem; margin-top: 2rem; }
.pager a {
  flex: 1; border: 1px solid var(--line); border-radius: var(--radius);
  padding: 0.8rem 1rem; text-decoration: none; color: inherit; background: var(--surface);
  font-size: 0.9rem;
}
.pager a:hover { border-color: var(--accent); }
.pager small { display: block; color: var(--muted); font-size: 0.76rem; }

/* ---------- chips, buttons ---------- */
.deck-filters { display: flex; gap: 0.5rem; flex-wrap: wrap; margin: 1rem 0; }
.chip {
  border: 1px solid var(--line); background: var(--surface); color: var(--ink-soft);
  border-radius: 999px; padding: 0.35rem 0.9rem; font-size: 0.86rem; cursor: pointer; font-weight: 550;
}
.chip:hover { border-color: var(--accent); }
.chip[aria-pressed="true"] { background: var(--accent-deep); border-color: var(--accent-deep); color: #fff; }
[data-theme="dark"] .chip[aria-pressed="true"] { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); }
.btn {
  border: 1px solid var(--accent-deep); background: var(--accent-deep); color: #fff;
  border-radius: var(--radius-sm); padding: 0.55rem 1.05rem; font-size: 0.92rem;
  cursor: pointer; font-weight: 650; text-decoration: none; display: inline-block;
}
[data-theme="dark"] .btn { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn:hover { filter: brightness(1.08); }
.btn-secondary { background: var(--surface); color: inherit; border-color: var(--line-strong); }
.btn-secondary:hover { border-color: var(--accent); filter: none; background: var(--surface-2); }
.btn-danger-ghost { background: transparent; color: var(--danger); border-color: var(--danger-line); }
.flash-controls { display: flex; gap: 0.6rem; flex-wrap: wrap; align-items: center; }

/* ---------- flashcards ---------- */
.flash-stage { display: grid; gap: 0.8rem; max-width: 640px; }
.deck-progress { font-size: 0.84rem; color: var(--muted); }
.flash-card {
  border: 1px solid var(--line); border-radius: calc(var(--radius) + 4px); min-height: 250px;
  display: flex; flex-direction: column; cursor: pointer; background: var(--surface);
  box-shadow: var(--shadow); transition: transform 0.12s ease;
}
.flash-card:hover { transform: translateY(-2px); }
.flash-card .flash-topic { font-size: 0.74rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; color: var(--gold); padding: 1rem 1.3rem 0; }
.flash-card .flash-body { flex: 1; display: grid; place-items: center; text-align: center; padding: 1rem 1.7rem; font-size: 1.18rem; font-family: var(--serif); }
.flash-card .flash-hint { font-size: 0.79rem; color: var(--muted); padding: 0 1.3rem 1.1rem; text-align: center; font-family: var(--sans); }
.flash-card.revealed { background: var(--surface-2); }
kbd.key {
  font-family: var(--sans); font-size: 0.75rem; border: 1px solid var(--line-strong);
  border-bottom-width: 2px; border-radius: 5px; padding: 0 0.35rem; background: var(--surface);
}

/* ---------- quiz ---------- */
.quiz-setup {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); padding: 1rem 1.15rem;
  display: grid; gap: 0.7rem; max-width: 640px; margin-bottom: 1rem; box-shadow: var(--shadow);
}
.quiz-setup label { font-size: 0.86rem; font-weight: 650; }
.quiz-setup select {
  font: inherit; font-size: 0.94rem; padding: 0.5rem 0.6rem; border-radius: var(--radius-sm);
  border: 1px solid var(--line-strong); background: var(--surface); color: inherit; max-width: 420px;
}
.quiz-q { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 0.9rem 0; max-width: 720px; background: var(--surface); box-shadow: var(--shadow); }
.quiz-q fieldset { border: 0; margin: 0; padding: 0; }
.quiz-q legend { font-weight: 600; padding: 0; margin-bottom: 0.5rem; font-size: 0.96rem; }
.quiz-q .opt { display: block; border: 1px solid var(--line); border-radius: var(--radius-sm); padding: 0.55rem 0.75rem; margin: 0.35rem 0; cursor: pointer; font-size: 0.93rem; }
.quiz-q .opt:hover { border-color: var(--accent); }
.quiz-q .opt input { margin-right: 0.55rem; accent-color: var(--accent-deep); }
.quiz-q .opt.picked-correct { border-color: var(--accent); background: var(--accent-soft); }
.quiz-q .opt.picked-wrong { border-color: var(--danger); background: var(--danger-soft); }
.quiz-q .opt.is-answer { outline: 2px solid var(--accent); outline-offset: 1px; }
.quiz-explain { display: none; font-size: 0.89rem; background: var(--surface-2); border-radius: var(--radius-sm); padding: 0.6rem 0.8rem; margin-top: 0.6rem; }
.quiz-q.answered .quiz-explain { display: block; }
.quiz-score { font-family: var(--serif); font-size: 1.35rem; }
.quiz-tracker { font-size: 0.84rem; color: var(--muted); margin: 0.4rem 0 0; }

/* ---------- exam ---------- */
.timer-card {
  border: 1px solid var(--line); border-radius: var(--radius);
  background: var(--surface); box-shadow: var(--shadow);
  padding: 1rem 1.2rem; max-width: 780px; margin-bottom: 1rem;
  position: sticky; top: calc(var(--top-h) + 0.75rem); z-index: 20;
}
.timer-card h2 { font-family: var(--serif); font-size: 1rem; margin: 0 0 0.2rem; }
.essay-prompt { border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 0.95rem 1.15rem; margin: 0.9rem 0; max-width: 780px; background: var(--surface); box-shadow: var(--shadow); }
.essay-prompt h3 { font-family: var(--serif); margin: 0 0 0.3rem; font-size: 1.02rem; }
.essay-prompt > p { font-size: 0.93rem; color: var(--ink-soft); }
.framework { display: none; margin-top: 0.6rem; font-size: 0.92rem; }
.framework.open { display: block; }
.framework ol { padding-left: 1.25rem; margin: 0.4rem 0; }
textarea.essay-box { width: 100%; min-height: 180px; font: inherit; font-size: 0.94rem; color: inherit; background: var(--surface); border: 1px solid var(--line-strong); border-radius: var(--radius-sm); padding: 0.7rem; margin-top: 0.6rem; }
textarea.essay-box:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.rubric { list-style: none; padding: 0; margin: 0.6rem 0; font-size: 0.92rem; }
.rubric li { margin: 0.3rem 0; }
.timer { font-family: var(--serif); font-size: 1.7rem; }
.timer.overtime { color: var(--danger); }

/* ---------- cases, glossary, planner ---------- */
.filter-input {
  font: inherit; font-size: 0.93rem; color: inherit;
  padding: 0.55rem 0.8rem; border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm); width: 100%; max-width: 440px; background: var(--surface);
}
.filter-input:focus { outline: 2px solid var(--accent); outline-offset: 1px; }
.case-card { border: 1px solid var(--line); border-radius: var(--radius); padding: 1rem 1.2rem; margin: 0.8rem 0; max-width: 820px; background: var(--surface); box-shadow: var(--shadow); }
.case-card h3 { font-family: var(--serif); margin: 0 0 0.2rem; font-size: 1.04rem; }
.case-card .cite { font-size: 0.83rem; color: var(--muted); font-style: italic; }
.case-card dl { display: grid; grid-template-columns: 110px 1fr; gap: 0.25rem 0.8rem; font-size: 0.91rem; margin: 0.6rem 0 0; }
.case-card dt { font-weight: 700; }
.case-card dd { margin: 0; color: var(--ink-soft); }
.gloss-term { border-bottom: 1px solid var(--line); padding: 0.65rem 0; max-width: 820px; }
.gloss-term h3 { font-family: var(--serif); font-size: 1rem; margin: 0; }
.gloss-term p { margin: 0.2rem 0 0; font-size: 0.91rem; color: var(--ink-soft); }
.plan-table { width: 100%; border-collapse: collapse; font-size: 0.89rem; margin: 0.8rem 0; background: var(--surface); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.plan-table th, .plan-table td { text-align: left; padding: 0.55rem 0.65rem; border-bottom: 1px solid var(--line); vertical-align: top; }
.plan-table th { background: var(--surface-2); }
.plan-table tr.done td { color: var(--muted); text-decoration: line-through; }
.plan-table tr.today td { background: var(--gold-soft); }
.plan-table input[type="checkbox"] { width: 1.05rem; height: 1.05rem; accent-color: var(--accent-deep); }

/* ---------- footer ---------- */
footer.site { border-top: 1px solid var(--line); background: var(--surface); padding: 1.5rem 1.25rem 6rem; font-size: 0.83rem; color: var(--ink-soft); }
footer.site .foot-inner { max-width: calc(var(--maxw) + var(--side-w) + 4rem); margin: 0 auto; }

/* ---------- tab bar (mobile) ---------- */
.tabbar { display: none; }

/* ---------- focus ---------- */
a:focus-visible, button:focus-visible, summary:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent); outline-offset: 2px;
}

.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

@media (max-width: 960px) {
  .shell { grid-template-columns: 1fr; gap: 0; }
  .side {
    position: fixed; top: 0; left: 0; bottom: 0; z-index: 80;
    width: min(300px, 84vw); background: var(--surface);
    padding: 1rem 1rem 5rem; margin: 0;
    border-right: 1px solid var(--line);
    transform: translateX(-105%); transition: transform 0.18s ease;
    max-height: none;
  }
  body.nav-open .side { transform: none; box-shadow: var(--shadow-lg); }
  body.nav-open .scrim {
    display: block; position: fixed; inset: 0; z-index: 70;
    background: rgba(0, 0, 0, 0.4); border: 0; padding: 0;
  }
  .menu-btn { display: grid; }
  .searchbox { width: auto; flex: 1; }
  .content { padding-top: 1.25rem; }
  .dash-grid, .grid-3, .grid-2 { grid-template-columns: 1fr; }
  .tabbar {
    display: flex; position: fixed; bottom: 0; left: 0; right: 0; z-index: 60;
    background: color-mix(in srgb, var(--surface) 94%, transparent);
    backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
    border-top: 1px solid var(--line);
    padding: 0.35rem 0.4rem calc(0.35rem + env(safe-area-inset-bottom));
  }
  .tabbar a {
    flex: 1; text-align: center; text-decoration: none; color: var(--muted);
    font-size: 0.72rem; font-weight: 600; padding: 0.3rem 0.1rem; border-radius: 8px;
  }
  .tabbar a.active { color: var(--accent-deep); background: var(--accent-soft); }
  [data-theme="dark"] .tabbar a.active { color: var(--accent); }
  footer.site { padding-bottom: 6rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}