/* =========================================================================
   皮克敏 Bloom 成功解析 · 編輯雜誌風（暖色、serif 大標、稀用強調色）
   零 build 純 CSS。沿用 MD3 token 名稱，引擎照常運作；數值改為暖色編輯風。
   ========================================================================= */

/* ---- Tokens : LIGHT (warm paper) ---- */
:root,
[data-theme="light"] {
  --primary:#C2402A; --on-primary:#FFFFFF; --primary-container:#F7DCD3; --on-primary-container:#561A0E;
  --secondary:#4F7A3A; --secondary-container:#E3ECD7; --on-secondary-container:#22331A;
  --tertiary:#B07A22; --tertiary-container:#F3E6C7;
  --background:#FBF8F2; --on-background:#231F18; --surface:#FBF8F2;
  --surface-container:#F4EEE3; --surface-container-high:#ECE4D6; --surface-variant:#EFE8D9;
  --on-surface:#231F18; --on-surface-variant:#6E6557;
  --outline:#A99D89; --outline-variant:#E3D9C7; --error:#B3261E; --success:#4F7A3A;
  --elev-1:0 1px 2px rgba(45,32,15,.05);
  --elev-2:0 4px 16px rgba(45,32,15,.06);
  --elev-3:0 12px 32px rgba(45,32,15,.12);
  --radius-sm:6px; --radius:12px; --radius-lg:22px;
  --font-body:"Manrope","Noto Sans TC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  --font-display:"Newsreader","Noto Serif TC",Georgia,"Songti TC",serif;
}
/* ---- Tokens : DARK (warm dark) ---- */
[data-theme="dark"] {
  --primary:#F0917E; --on-primary:#561A0E; --primary-container:#7C2C1B; --on-primary-container:#F7DCD3;
  --secondary:#A6C68F; --secondary-container:#34492A; --on-secondary-container:#E3ECD7;
  --tertiary:#E2B45A; --tertiary-container:#5A4520;
  --background:#1A1712; --on-background:#ECE4D6; --surface:#1A1712;
  --surface-container:#241F18; --surface-container-high:#2F291F; --surface-variant:#2B251C;
  --on-surface:#ECE4D6; --on-surface-variant:#B8AE9B;
  --outline:#8B816F; --outline-variant:#3C3528; --error:#F2B8B5; --success:#A6C68F;
}

/* ---- Reset / base ---- */
* { box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  margin:0; font-family:var(--font-body); background:var(--background); color:var(--on-background);
  -webkit-font-smoothing:antialiased; transition:background .2s,color .2s; overflow-x:hidden;
  font-size:16px; line-height:1.6;
}
a { color:inherit; text-decoration:none; }
.material-symbols-rounded { font-variation-settings:"FILL" 0,"wght" 400,"GRAD" 0,"opsz" 24; line-height:1; user-select:none; }
.skip-link {
  position:absolute; left:-999px; top:8px; z-index:60; background:var(--primary); color:var(--on-primary);
  padding:8px 14px; border-radius:var(--radius-lg);
}
.skip-link:focus { left:12px; }

/* ---- App bar ---- */
.appbar { position:sticky; top:0; z-index:30; background:color-mix(in srgb,var(--background) 90%,transparent);
  backdrop-filter:saturate(160%) blur(10px); border-bottom:1px solid var(--outline-variant); }
.appbar__inner { max-width:1120px; margin:0 auto; padding:12px 20px; display:flex; align-items:center; gap:12px; }
.brand { display:flex; align-items:center; gap:9px; font-weight:700; font-size:1.12rem; color:var(--on-surface); min-width:0; overflow:hidden; letter-spacing:-.01em; }
.brand__logo { color:var(--primary); flex:0 0 auto; }
.brand__name { overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
.appbar__actions { margin-left:auto; display:flex; align-items:center; gap:6px; flex:0 0 auto; }
.icon-btn { display:inline-flex; align-items:center; gap:4px; border:none; background:transparent; color:var(--on-surface-variant);
  border-radius:var(--radius-lg); padding:8px 10px; cursor:pointer; font:inherit; transition:background .15s,color .15s; }
.icon-btn:hover { background:var(--surface-container-high); color:var(--on-surface); }
.icon-btn__txt { font-size:.85rem; font-weight:600; }

/* ---- Cross-page nav ---- */
.pagenav {
  position:sticky; top:57px; z-index:25; border-bottom:1px solid var(--outline-variant);
  background:color-mix(in srgb,var(--background) 90%,transparent); backdrop-filter:saturate(160%) blur(10px);
}
.pagenav__inner { max-width:1120px; margin:0 auto; padding:9px 16px; display:flex; gap:7px; overflow-x:auto; scrollbar-width:none; }
.pagenav__inner::-webkit-scrollbar { display:none; }
.navpill {
  display:inline-flex; align-items:center; gap:6px; flex:0 0 auto; padding:7px 13px; border-radius:var(--radius-lg);
  font-size:.84rem; font-weight:600; color:var(--on-surface-variant); border:1px solid var(--outline-variant);
  background:transparent; white-space:nowrap; cursor:pointer; transition:background .15s,color .15s,border-color .15s;
}
.navpill .material-symbols-rounded { font-size:18px; }
.navpill:hover { background:var(--surface-container-high); color:var(--on-surface); }
.navpill--active { background:var(--primary); color:var(--on-primary); border-color:transparent; }

/* ---- Page scaffold ---- */
.page { max-width:1120px; margin:0 auto; padding:48px 20px 24px; }
.page-head { margin-bottom:34px; max-width:74ch; }
.page-head h1 {
  margin:0 0 12px; font-family:var(--font-display); font-weight:600;
  font-size:clamp(2rem,5.2vw,3.1rem); line-height:1.1; letter-spacing:-.02em; color:var(--on-surface);
}
.page-head h1::after {
  content:""; display:block; width:56px; height:3px; margin-top:18px;
  background:var(--primary); border-radius:2px;
}
.page-head__sub { margin:0; max-width:68ch; font-size:1.12rem; line-height:1.6; color:var(--on-surface-variant); }
.empty { color:var(--on-surface-variant); }

/* article pages get a touch more breathing room + narrower measure */
.page--article { max-width:1040px; }

/* ---- Hero stats (hub) ---- */
.hero__stats { display:grid; grid-template-columns:repeat(auto-fit,minmax(150px,1fr)); gap:16px; margin:0 0 34px; }
.hero__stat { background:var(--surface-container); border-radius:var(--radius); padding:24px 20px; display:flex; flex-direction:column; gap:6px; border:1px solid var(--outline-variant); }
.hero__stat-value { font-family:var(--font-display); font-size:2.6rem; font-weight:600; color:var(--primary); font-variant-numeric:tabular-nums; line-height:1; letter-spacing:-.02em; }
.hero__stat-label { font-size:.85rem; color:var(--on-surface-variant); line-height:1.4; }

/* ---- Cards grid ---- */
.grid { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:18px; }
.card { background:var(--surface-container); border-radius:var(--radius); padding:24px; cursor:pointer;
  border:1px solid var(--outline-variant); transition:box-shadow .2s,transform .2s,border-color .2s; display:flex; flex-direction:column; gap:10px; }
.card:hover,.card:focus-visible { box-shadow:var(--elev-2); transform:translateY(-3px); border-color:var(--primary); outline:none; }
.card--nav .card__icon { font-size:30px; color:var(--primary); }
.card__title { margin:0; font-family:var(--font-display); font-size:1.22rem; font-weight:600; letter-spacing:-.01em; color:var(--on-surface); }
.card__summary { margin:0; font-size:.92rem; line-height:1.6; color:var(--on-surface-variant); }
.card__tags { margin-top:auto; display:flex; flex-wrap:wrap; gap:6px; }
.tag { font-size:.7rem; font-weight:600; letter-spacing:.04em; text-transform:uppercase; color:var(--on-surface-variant); background:var(--surface-variant); padding:3px 9px; border-radius:999px; }

/* ---- Toolbar / search / chips ---- */
.toolbar { display:flex; flex-wrap:wrap; gap:12px; align-items:center; margin-bottom:18px; }
.search { flex:1 1 220px; min-width:160px; padding:11px 16px; border-radius:var(--radius-lg); border:1px solid var(--outline-variant);
  background:var(--surface-container); color:var(--on-surface); font:inherit; }
.search:focus { outline:2px solid var(--primary); outline-offset:1px; }
.chips { display:flex; flex-wrap:wrap; gap:8px; }
.chip { padding:7px 14px; border-radius:var(--radius-lg); font-size:.84rem; font-weight:600; color:var(--on-surface-variant);
  border:1px solid var(--outline-variant); background:transparent; cursor:pointer; transition:background .15s,color .15s; }
.chip:hover { background:var(--surface-container-high); }
.chip--active { background:var(--primary); color:var(--on-primary); border-color:transparent; }
.result-count { margin:0 0 14px; font-size:.85rem; color:var(--on-surface-variant); }

/* ---- Article ---- */
.reading-progress { position:fixed; top:0; left:0; height:3px; width:0; background:var(--primary); z-index:40; transition:width .1s linear; }
.article-layout { display:grid; grid-template-columns:210px 1fr; gap:44px; align-items:start; }
.toc { position:sticky; top:120px; }
.toc__inner { display:flex; flex-direction:column; gap:2px; border-left:1px solid var(--outline-variant); }
.toc-link { padding:7px 16px; font-size:.86rem; color:var(--on-surface-variant); border-left:2px solid transparent; margin-left:-1px; line-height:1.4; }
.toc-link:hover { color:var(--on-surface); }
.toc-link--active { color:var(--primary); border-left-color:var(--primary); font-weight:700; }
.prose { max-width:68ch; color:var(--on-surface); }
.prose h2 { font-family:var(--font-display); color:var(--on-surface); font-size:1.7rem; font-weight:600; letter-spacing:-.01em; margin:0 0 16px; scroll-margin-top:130px; line-height:1.2; }
.prose h3 { font-family:var(--font-display); color:var(--on-surface); font-size:1.24rem; font-weight:600; margin:26px 0 8px; }
.prose p { line-height:1.8; margin:0 0 16px; color:var(--on-surface-variant); font-size:1.04rem; }
.prose ul { margin:0 0 16px; padding-left:22px; line-height:1.8; color:var(--on-surface-variant); }
.prose li { margin-bottom:8px; }
.prose blockquote { margin:22px 0; padding:6px 0 6px 24px; border-left:3px solid var(--primary);
  font-family:var(--font-display); font-size:1.3rem; line-height:1.45; font-style:italic; color:var(--on-surface); }
.prose pre { background:var(--surface-container); padding:14px 16px; border-radius:var(--radius); overflow:auto; border:1px solid var(--outline-variant); }
.prose code { font-family:"JetBrains Mono",ui-monospace,monospace; font-size:.85rem; }
.article-section { margin-bottom:40px; }
/* editorial drop cap on the very first paragraph */
.page--article .article-section:first-of-type > p:first-of-type::first-letter {
  font-family:var(--font-display); font-weight:600; float:left; font-size:3.4rem; line-height:.82;
  padding:6px 10px 0 0; color:var(--primary);
}

/* ---- Dashboard ---- */
.stat-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(170px,1fr)); gap:16px; margin-bottom:24px; }
.stat-card { background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:20px; display:flex; flex-direction:column; gap:6px; }
.stat-label { font-size:.82rem; color:var(--on-surface-variant); }
.stat-value { font-family:var(--font-display); font-size:1.85rem; font-weight:600; color:var(--on-surface); font-variant-numeric:tabular-nums; letter-spacing:-.01em; }
.stat-unit { font-size:.82rem; font-weight:500; color:var(--on-surface-variant); font-family:var(--font-body); }
.stat-delta { font-size:.8rem; font-weight:700; }
.stat-delta--up { color:var(--success); }
.stat-delta--down { color:var(--error); }
.panel-grid { display:grid; grid-template-columns:repeat(auto-fit,minmax(300px,1fr)); gap:18px; margin-bottom:20px; }
.panel { margin:0; background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:20px; }
.panel figcaption { font-weight:700; color:var(--on-surface); margin-bottom:12px; font-size:.95rem; }
.panel--wide { grid-column:1/-1; }
.chart-wrap { width:100%; }
.chart-wrap svg { width:100%; height:auto; display:block; }
.bar-rect { fill:var(--primary); transition:fill .15s; }
.bar-rect:hover { fill:var(--tertiary); }
.bar-value { fill:var(--on-surface); font-size:13px; font-weight:700; font-family:var(--font-body); }
.bar-label { fill:var(--on-surface-variant); font-size:12px; font-family:var(--font-body); }
.axis-line { stroke:var(--outline-variant); stroke-width:1.5; }
.line-path { stroke:var(--primary); stroke-width:2.5; }
.line-area { fill:var(--primary); opacity:.1; }
.line-dot { fill:var(--primary); }

/* ---- Data table ---- */
.table-wrap { overflow-x:auto; border-radius:var(--radius); border:1px solid var(--outline-variant); }
.data-table,.cmp-table { width:100%; border-collapse:collapse; background:var(--surface-container); font-size:.92rem; }
.data-table th,.data-table td { padding:13px 16px; text-align:left; border-bottom:1px solid var(--outline-variant); color:var(--on-surface); white-space:nowrap; }
.data-table thead th { background:var(--surface-container-high); font-weight:700; color:var(--on-surface-variant); position:sticky; top:0; }
.th-sort { cursor:pointer; user-select:none; }
.th-sort:hover { color:var(--primary); }
.data-table tbody tr:hover { background:var(--surface-container-high); }
.row-link { color:var(--primary); }

/* ---- Timeline ---- */
.timeline { list-style:none; margin:0; padding:0; position:relative; }
.timeline::before { content:""; position:absolute; left:7px; top:6px; bottom:6px; width:2px; background:var(--outline-variant); }
.tl-item { position:relative; padding:0 0 22px 38px; }
.tl-item:last-child { padding-bottom:0; }
.tl-dot { position:absolute; left:0; top:6px; width:16px; height:16px; border-radius:50%; background:var(--primary); border:3px solid var(--background); box-shadow:0 0 0 2px var(--primary); }
.tl-card { background:var(--surface-container); border-radius:var(--radius); padding:16px 20px; border:1px solid var(--outline-variant); }
.tl-date { font-size:.76rem; font-weight:700; letter-spacing:.06em; text-transform:uppercase; color:var(--primary); }
.tl-title { margin:5px 0 6px; font-family:var(--font-display); font-size:1.18rem; font-weight:600; color:var(--on-surface); }
.tl-body { margin:0; font-size:.92rem; line-height:1.6; color:var(--on-surface-variant); }

/* ---- Bento ---- */
.bento { display:grid; grid-template-columns:repeat(4,1fr); grid-auto-rows:120px; gap:16px; }
.tile { background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:20px; display:flex; flex-direction:column; gap:6px; overflow:hidden; }
.tile--accent { background:var(--primary-container); border-color:transparent; color:var(--on-primary-container); }
.tile--lg { grid-column:span 2; grid-row:span 2; }
.tile--tall { grid-row:span 2; }
.tile--wide { grid-column:span 2; }
.tile--md { grid-column:span 2; }
.tile__icon { font-size:26px; color:var(--primary); }
.tile__value { font-family:var(--font-display); font-size:1.9rem; font-weight:600; color:var(--on-surface); }
.tile__title { margin:0; font-size:1rem; font-weight:600; color:var(--on-surface); }
.tile__body { margin:0; font-size:.85rem; line-height:1.5; color:var(--on-surface-variant); }

/* ---- Kanban ---- */
.kanban { display:grid; grid-auto-flow:column; grid-auto-columns:minmax(250px,1fr); gap:16px; overflow-x:auto; padding-bottom:8px; }
.kb-col { background:var(--surface-container-high); border-radius:var(--radius); padding:14px; }
.kb-col__head { display:flex; align-items:center; gap:8px; font-weight:700; color:var(--on-surface); margin-bottom:12px; padding:0 4px; }
.kb-col__count { font-size:.75rem; background:var(--primary); color:var(--on-primary); border-radius:999px; padding:1px 9px; }
.kb-col__body { display:flex; flex-direction:column; gap:10px; }
.kb-card { background:var(--surface); border:1px solid var(--outline-variant); border-radius:var(--radius-sm); padding:13px 15px; display:flex; flex-direction:column; gap:8px; }
.kb-card__title { margin:0; font-size:.95rem; font-weight:600; color:var(--on-surface); }
.kb-card__body { margin:0; font-size:.82rem; line-height:1.5; color:var(--on-surface-variant); }

/* ---- Accordion (faq) ---- */
.accordion { display:flex; flex-direction:column; max-width:820px; }
.acc-item { background:transparent; border-bottom:1px solid var(--outline-variant); overflow:hidden; }
.acc-q { display:flex; align-items:center; justify-content:space-between; gap:16px; padding:22px 4px; cursor:pointer; font-weight:600; font-size:1.08rem; color:var(--on-surface); list-style:none; }
.acc-q::-webkit-details-marker { display:none; }
.acc-chevron { transition:transform .2s; color:var(--primary); }
.acc-item[open] .acc-chevron { transform:rotate(180deg); }
.acc-a { padding:0 4px 22px; font-size:.98rem; line-height:1.75; color:var(--on-surface-variant); max-width:74ch; }

/* ---- Comparison ---- */
.cmp-table { border:1px solid var(--outline-variant); border-radius:var(--radius); overflow:hidden; }
.cmp-table th,.cmp-table td { padding:16px 18px; text-align:left; border-bottom:1px solid var(--outline-variant); color:var(--on-surface); vertical-align:top; }
.cmp-table thead th { vertical-align:bottom; background:var(--surface-container-high); }
.cmp-feat { font-weight:700; color:var(--on-surface-variant); width:18%; }
.cmp-plan { font-family:var(--font-display); font-weight:600; font-size:1.2rem; }
.cmp-price { color:var(--primary); font-weight:700; margin-top:2px; }
.cmp-note { font-size:.78rem; color:var(--on-surface-variant); margin-top:2px; }
.cmp-col--hl { background:color-mix(in srgb,var(--primary-container) 50%,transparent); }
.cmp-yes { color:var(--success); }
.cmp-no { color:var(--outline); }

/* ---- Leaderboard ---- */
.seg { display:inline-flex; gap:4px; background:var(--surface-container-high); border-radius:var(--radius-lg); padding:4px; margin-bottom:18px; }
.seg__btn { border:none; background:transparent; color:var(--on-surface-variant); padding:8px 18px; border-radius:var(--radius-lg); cursor:pointer; font:inherit; font-weight:600; }
.seg__btn--active { background:var(--primary); color:var(--on-primary); }
.lb-list { list-style:none; margin:0 0 18px; padding:0; display:flex; flex-direction:column; gap:8px; }
.lb-row { display:grid; grid-template-columns:auto auto 1fr auto auto; align-items:center; gap:14px; background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:13px 18px; }
.lb-rank { font-variant-numeric:tabular-nums; font-weight:700; color:var(--on-surface-variant); min-width:1.5em; }
.lb-tier { font-weight:700; width:1.8em; height:1.8em; display:inline-grid; place-items:center; border-radius:50%; color:#fff; font-size:.8rem; }
.lb-tier--S { background:#C2402A; } .lb-tier--A { background:#B07A22; } .lb-tier--B { background:#4F7A3A; }
.lb-tier--C { background:#625B71; } .lb-tier--D { background:#79747E; }
.lb-name { font-weight:600; color:var(--on-surface); }
.lb-meta { font-size:.82rem; color:var(--on-surface-variant); }
.lb-score { font-weight:700; font-variant-numeric:tabular-nums; color:var(--primary); }
.lb-tier-group { margin-bottom:16px; }
.lb-tier-head { display:inline-grid; place-items:center; min-width:2em; height:2em; border-radius:var(--radius-sm); color:#fff; font-weight:700; padding:0 10px; margin-bottom:10px; }

/* ---- Scrolly ---- */
.scrolly { display:grid; grid-template-columns:1fr 1fr; gap:44px; align-items:start; }
.scrolly-sticky { position:sticky; top:130px; height:62vh; display:flex; }
.scrolly-visual { flex:1; display:flex; align-items:center; justify-content:center; background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius-lg); padding:28px; }
.scrolly-stat { font-family:var(--font-display); font-size:2.6rem; font-weight:600; text-align:center; line-height:1.15; }
.scrolly-steps { display:flex; flex-direction:column; gap:60vh; padding:22vh 0; }
.scrolly-step { background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:24px 26px; opacity:.35; transition:opacity .4s; }
.scrolly-step p { margin:0; font-size:1.18rem; line-height:1.65; color:var(--on-surface); }
.scrolly-step--active { opacity:1; border-color:var(--primary); }

/* ---- Map ---- */
.map-layout { display:grid; grid-template-columns:1fr 300px; gap:18px; align-items:start; }
.map-box { height:460px; border-radius:var(--radius); overflow:hidden; border:1px solid var(--outline-variant); background:var(--surface-container); }
.map-fallback { height:100%; display:flex; align-items:center; justify-content:center; color:var(--on-surface-variant); padding:20px; text-align:center; }
.map-list { list-style:none; margin:0; padding:0; display:flex; flex-direction:column; gap:8px; max-height:460px; overflow:auto; }
.place { display:flex; flex-direction:column; gap:3px; background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius-sm); padding:12px 14px; cursor:pointer; }
.place:hover,.place:focus-visible { border-color:var(--primary); outline:none; }
.place b { color:var(--on-surface); }
.place span { font-size:.82rem; color:var(--on-surface-variant); }

/* ---- Quiz ---- */
.quiz { display:flex; flex-direction:column; gap:18px; max-width:780px; }
.quiz-score { position:sticky; top:118px; z-index:10; align-self:flex-start; margin-bottom:6px;
  font-weight:700; font-variant-numeric:tabular-nums; color:var(--on-primary); background:var(--primary);
  padding:8px 16px; border-radius:999px; box-shadow:var(--elev-1); }
.quiz-card { background:var(--surface-container); border:1px solid var(--outline-variant); border-radius:var(--radius); padding:22px 24px; }
.quiz-q { display:flex; gap:12px; align-items:flex-start; font-weight:600; font-size:1.1rem; line-height:1.45; margin-bottom:16px; color:var(--on-surface); }
.quiz-num { flex:0 0 auto; width:1.7em; height:1.7em; display:inline-grid; place-items:center; border-radius:50%;
  background:var(--primary); color:var(--on-primary); font-size:.85rem; font-weight:700; }
.quiz-opts { display:flex; flex-direction:column; gap:9px; }
.quiz-opt { text-align:left; padding:12px 16px; border:1px solid var(--outline-variant); border-radius:var(--radius-sm);
  background:var(--surface); color:var(--on-surface); cursor:pointer; font:inherit; font-size:.96rem; transition:border-color .15s,background .15s; }
.quiz-opt:hover:not(:disabled) { border-color:var(--primary); background:var(--surface-container-high); }
.quiz-opt:disabled { cursor:default; }
.quiz-opt--correct { background:var(--secondary-container); border-color:var(--success); color:var(--on-secondary-container); font-weight:600; }
.quiz-opt--wrong { background:var(--primary-container); border-color:var(--error); color:var(--on-primary-container); }
.quiz-explain { margin-top:14px; padding:12px 16px; border-left:3px solid var(--primary); background:var(--surface-container-high);
  font-size:.92rem; line-height:1.6; color:var(--on-surface-variant); border-radius:0 var(--radius-sm) var(--radius-sm) 0; }

/* ---- Scroll-reveal (editorial fade-in) ---- */
.reveal { opacity:0; transform:translateY(14px); transition:opacity .6s cubic-bezier(.16,1,.3,1),transform .6s cubic-bezier(.16,1,.3,1); }
.reveal--in { opacity:1; transform:none; }

/* ---- Dialog ---- */
.dialog { border:none; border-radius:var(--radius-lg); background:var(--surface-container-high); color:var(--on-surface); max-width:600px; width:calc(100% - 32px); padding:0; box-shadow:var(--elev-3); }
.dialog::backdrop { background:rgba(35,25,12,.5); }
.dialog__bar { display:flex; align-items:center; padding:8px 12px; border-bottom:1px solid var(--outline-variant); position:sticky; top:0; background:var(--surface-container-high); }
.dialog__spacer { flex:1; }
.dialog__body { padding:24px; }
.dialog__body h2 { margin-top:0; font-family:var(--font-display); color:var(--on-surface); }
.dialog__body p { color:var(--on-surface-variant); line-height:1.7; }
.dialog__body .card__tags { margin:0 0 14px; }

/* ---- Footer ---- */
.footer { text-align:center; padding:40px 20px; margin-top:48px; color:var(--on-surface-variant); font-size:.85rem; border-top:1px solid var(--outline-variant); }

/* ---- Responsive ---- */
@media (max-width:900px) {
  .article-layout { grid-template-columns:1fr; gap:20px; }
  .toc { position:static; }
  .toc__inner { flex-direction:row; flex-wrap:wrap; border-left:none; gap:6px; }
  .toc-link { border-left:none; border:1px solid var(--outline-variant); border-radius:999px; padding:5px 12px; margin-left:0; }
  .toc-link--active { border-color:var(--primary); }
  .scrolly { grid-template-columns:1fr; gap:0; }
  .scrolly-sticky { position:sticky; top:120px; height:auto; }
  .scrolly-steps { gap:32vh; padding:12vh 0; }
  .map-layout { grid-template-columns:1fr; }
  .map-list { flex-direction:row; max-height:none; }
  .bento { grid-template-columns:repeat(2,1fr); }
  .tile--lg,.tile--wide,.tile--md { grid-column:span 2; }
}
@media (max-width:600px) {
  .page { padding:32px 18px 18px; }
  .grid { grid-template-columns:1fr; }
  .bento { grid-template-columns:1fr; }
  .tile--lg,.tile--wide,.tile--md,.tile--tall { grid-column:span 1; grid-row:span 1; }
  .lb-row { grid-template-columns:auto auto 1fr auto; }
  .lb-meta { display:none; }
  .icon-btn__txt { font-size:.8rem; }
  .quiz-score { position:static; }
}
@media (max-width:375px) {
  .appbar__inner,.pagenav__inner,.page { padding-left:14px; padding-right:14px; }
  .page-head h1 { font-size:1.7rem; }
}

/* Respect reduced motion */
@media (prefers-reduced-motion:reduce) {
  html { scroll-behavior:auto; }
  * { transition:none !important; }
  .reveal { opacity:1; transform:none; }
}