body[data-home-mode="frontend"] { --green:var(--good); --muted:#8baa94; --line:#274831; color:var(--text); }
body[data-home-mode="frontend"] .hero .wrap { align-items:center; }
.home-harness { display:flex; gap:12px; align-items:center; margin:18px 0; color:var(--muted); font-size:13px; }
.home-harness strong { color:var(--green); font-size:16px; }
.home-section { margin:24px 0; }
.home-section h2 { font-size:20px; margin:0 0 14px; }
.home-section h3 { margin:0; font-size:16px; }
.home-heading { display:flex; justify-content:space-between; align-items:center; flex-wrap:wrap; gap:12px; }
.home-pending { color:var(--muted); line-height:1.65; font-size:13px; }
.home-summary { display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:12px; }
.home-summary article { border:1px solid var(--line); border-radius:8px; padding:14px; background:var(--panel); }
.home-summary strong { display:block; font-size:24px; margin-top:8px; }
.home-tabs { display:flex; flex-wrap:wrap; gap:8px; margin:14px 0; }
.home-tabs button,.home-select select { background:var(--panel); border:1px solid var(--line); color:var(--text); border-radius:6px; padding:9px 14px; font:inherit; }
.home-tabs button[aria-pressed="true"] { border-color:var(--green); color:var(--green); background:rgba(34,197,94,.07); }
.home-model-cards { display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:12px; }
.bench-model-card { text-align:left; background:var(--panel); color:var(--text); border:1px solid var(--line); border-radius:10px; padding:18px; cursor:pointer; }
.bench-model-card[aria-pressed="true"] { border-color:var(--green); }
.bench-model-card strong,.bench-model-card small,.bench-model-score { display:block; }
.bench-model-score { font-size:32px; line-height:1.5; color:var(--green); }
.bench-model-card small { color:var(--muted); }
.home-select { display:flex; gap:16px; flex-wrap:wrap; margin:18px 0 10px; }
.home-select label { display:grid; gap:6px; font-size:13px; color:var(--muted); }
.home-select select { min-width:170px; }
.bench-task-grid { display:grid; grid-template-columns:repeat(8,minmax(0,1fr)); gap:9px; margin-top:16px; }
.bench-task-card { min-width:0; min-height:145px; background:var(--panel); border:1px solid var(--line); border-radius:8px; padding:12px; text-align:left; color:var(--text); display:flex; flex-direction:column; cursor:pointer; gap:7px; }
.bench-task-card:hover { border-color:var(--green); background:rgba(34,197,94,.055); }
.bench-task-number { color:var(--green); font:700 12px ui-monospace,monospace; }
.bench-task-card strong { font-size:12px; line-height:1.45; display:-webkit-box; -webkit-line-clamp:3; -webkit-box-orient:vertical; overflow:hidden; }
.bench-task-id { color:var(--muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis; font-size:10px; }
.bench-task-result { margin-top:auto; font-size:11px; color:var(--muted); }
.home-empty { border:1px dashed var(--line); border-radius:8px; padding:24px; color:var(--muted); text-align:center; }
.home-dialog { background:var(--panel); color:var(--text); border:1px solid var(--line); border-radius:12px; max-width:min(660px,calc(100vw - 32px)); width:620px; padding:22px; max-height:85vh; overflow:auto; }
.home-dialog::backdrop { background:rgba(0,0,0,.75); }
.home-dialog-head { display:flex; align-items:flex-start; gap:16px; justify-content:space-between; }
.home-dialog-head h2 { margin:0; font-size:20px; overflow-wrap:anywhere; }
.home-dialog-head button { background:transparent; border:1px solid var(--line); border-radius:5px; color:var(--text); padding:5px 10px; }
.home-dialog textarea { width:100%; min-height:130px; box-sizing:border-box; border:1px solid var(--line); background:rgba(0,0,0,.25); color:var(--text); border-radius:7px; padding:12px; margin:12px 0; font:13px/1.6 ui-monospace,monospace; resize:vertical; }
.home-dialog dl { display:grid; grid-template-columns:92px minmax(0,1fr); gap:12px; font-size:13px; }
.home-dialog dt { color:var(--muted); }
.home-dialog dd { margin:0; overflow-wrap:anywhere; }
.home-actions { display:flex; flex-wrap:wrap; gap:10px; margin:14px 0; }
.home-actions button,.home-primary { background:var(--panel); border:1px solid var(--green); color:var(--green); border-radius:7px; padding:10px 14px; font:inherit; cursor:pointer; }
.home-actions button:disabled { border-color:var(--line); color:var(--muted); opacity:.65; cursor:not-allowed; }
button:focus-visible,select:focus-visible,a:focus-visible,textarea:focus-visible { outline:2px solid var(--green); outline-offset:3px; }
.home-history-note { border-left:2px solid var(--green); padding:0 12px; }
.home-community img { max-width:100%; height:auto; }
.home-community .community-grid { display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:24px; }
@media(max-width:1100px) { .bench-task-grid { grid-template-columns:repeat(4,minmax(0,1fr)); } }
@media(max-width:640px) {
 .bench-task-grid { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .home-model-cards,.home-community .community-grid { grid-template-columns:1fr; }
 .home-summary { grid-template-columns:repeat(2,minmax(0,1fr)); }
 .home-select { gap:10px; } .home-select label { flex:1; min-width:0; } .home-select select { width:100%; min-width:0; }
 .bench-task-card { min-height:155px; } .home-dialog { padding:16px; }
 .hero-nav { gap:8px; } .home-heading { align-items:flex-start; }
}
@media(prefers-reduced-motion:reduce) { *,*::before,*::after { animation:none !important; transition:none !important; scroll-behavior:auto !important; } }

.hero-nav button.hero-link { appearance:none; background:transparent; border:0; font:inherit; cursor:pointer; padding:0; }

body[data-home-mode="frontend"] .hero-nav { flex-wrap:wrap; white-space:normal; overflow:visible; }
body[data-home-mode="frontend"] .hero-nav .hero-link { display:inline-flex; align-items:center; min-height:36px; white-space:normal; }
.home-dialog { margin:auto; }

/* Reuse the original dashboard, model cards, effort tiles and task chips. */
#bench-model-cards { grid-template-columns:repeat(3,minmax(0,1fr)); }
#bench-model-cards > .iqcard { grid-column:auto; grid-row:auto; order:initial; min-height:0; height:auto; }
.bench-model-title { padding:0; border:0; background:transparent; color:inherit; font:inherit; font-weight:800; cursor:pointer; }
#bench-model-cards .iq-top-row { min-height:74px; }
#bench-model-cards .iq-trend { display:flex; align-items:center; justify-content:center; color:var(--muted); font-size:11px; }
#bench-model-cards .iq-orb { position:static; transform:none; width:58px; height:58px; }
#bench-model-cards .eff { min-height:72px; }
#bench-model-cards .eff-time { font-size:12px; gap:2px; padding:2px; }
#bench-model-cards .eff-time small { font-size:8px; }
#bench-model-cards .eff-cost { font-size:13px; padding:2px; }
.bench-task-card.chip { display:flex; min-height:80px; border-radius:3px; padding:7px 6px; gap:4px; background:var(--panel2); }
.bench-task-card.chip strong { font-size:11px; -webkit-line-clamp:2; }
.bench-task-card.chip:hover { box-shadow:0 0 8px color-mix(in srgb,var(--accent) 22%,transparent); border-color:var(--accent); }
.bench-task-card.chip .meta { font-size:10px; color:var(--muted); }
@media(max-width:1050px) { #bench-model-cards { grid-template-columns:repeat(2,minmax(0,1fr)); } }
@media(max-width:640px) { #bench-model-cards { grid-template-columns:1fr; } .bench-task-card.chip { min-height:84px; } }

#home-auth { max-width:220px; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }
#bench-data-state[data-state="error"] { color:var(--bad); }
.home-history { padding-left:20px; font-size:13px; line-height:1.7; }
.home-history li { overflow-wrap:anywhere; padding:8px 0; border-bottom:1px solid var(--line); }
.home-dialog [hidden] { display:none !important; }
.bench-task-card.chip .bench-task-result { white-space:normal; overflow-wrap:anywhere; line-height:1.4; }
.read-metrics { display:grid; grid-template-columns:minmax(120px,1fr) minmax(0,2fr); gap:8px 12px; padding:12px 0; font-size:12px; }
.read-metrics dt,.read-metrics dd { margin:0; overflow-wrap:anywhere; }
.read-metrics dt,.metric-missing { color:var(--muted); }
.metric-missing { display:inline; font-size:11px; white-space:normal; }
.home-read-details { margin:12px 0; }
#overview-status[data-state="error"] { color:var(--bad); }
#dashboard-top10 { white-space:normal; overflow-wrap:anywhere; }
@media(max-width:640px) { .read-metrics { grid-template-columns:minmax(90px,1fr) minmax(0,1.8fr); } }

.community-channel .community-prize-note { max-width:310px; margin:7px auto 0; color:var(--text); }

.community-qr.community-qr-group { width:min(280px,100%); }
.community-card .community-channel .community-group-note { white-space:normal; }

/* Retain the original ladder components and responsive table rules. */
#ladder-tools { display:flex; align-items:center; flex-wrap:wrap; gap:10px; }
#ladder-race-archive .flag-race-state { flex-wrap:wrap; }
#ladder-race-archive .flag-race-copy { white-space:normal; overflow-wrap:anywhere; }
#ladder-race-archive .home-actions { margin-bottom:0; }

.eff[data-read-state="error"] { border-color:var(--red,#f87171); }

.eff-read-status{display:block;font-size:10px;line-height:1.35;color:#fca5a5;white-space:normal}.eff-read-status[hidden]{display:none}
/* Daily public grade aggregates; keep model cards within the mobile viewport. */
#bench-model-cards .iq-top-row { display:grid; grid-template-columns:85px minmax(0,1fr); gap:8px; padding:0; align-items:center; }
#bench-model-cards .iq-top-row .big { grid-column:1; grid-row:1; }
#bench-model-cards .iq-top-row .iq-orb { grid-column:1; grid-row:2; justify-self:center; }
#bench-model-cards .iq-trend { min-width:0; height:auto; grid-column:2; grid-row:1 / 3; }
#bench-model-cards .bench-daily-history { width:100%; max-width:320px; margin:0; color:var(--mg-color); }
#bench-model-cards .bench-daily-history svg { display:block; width:100%; height:auto; overflow:visible; }
#bench-model-cards .bench-daily-history text { fill:var(--muted); font-size:10px; }
#bench-model-cards .bench-daily-history circle { fill:currentColor; }
#bench-model-cards .bench-daily-history figcaption, #bench-model-cards .bench-daily-history small { display:block; font-size:10px; color:var(--muted); }
#bench-model-cards .bench-history-empty { margin:0; }

/* ---- Presentation pass (2026-10-11): one button system, calmer header,
   readable notes, phone scrollers and roomier dialogs. Scoped to the
   frontend home and built only from theme variables, so the legacy template,
   /test and the Claude palette keep their own rules. No data, order or
   missing-value semantics change here. ---- */
body[data-home-mode="frontend"] { --fe-ctl:38px; --fe-radius:10px; --fe-primary-ink:var(--bg); }

/* Header: uniform nav pills without orphan separators; quieter utility row. */
body[data-home-mode="frontend"] .hero-nav { gap:4px 2px; margin-left:16px; }
body[data-home-mode="frontend"] .hero .hero-link + .hero-link::before { content:none; }
body[data-home-mode="frontend"] .hero .hero-link { min-height:36px; padding:0 11px; border:1px solid transparent; border-radius:999px; transition:color .15s,background .15s,border-color .15s; }
body[data-home-mode="frontend"] .hero .hero-link:hover { background:rgba(255,255,255,.06); border-color:rgba(255,255,255,.14); text-shadow:none; }
body[data-home-mode="frontend"] .hero .hero-link:focus-visible { outline:2px solid var(--accent); outline-offset:2px; border-radius:999px; }
body[data-home-mode="frontend"] .hero-right { gap:8px; }
body[data-home-mode="frontend"] .hero-actions { gap:8px; }
body[data-home-mode="frontend"] .language-switch,
body[data-home-mode="frontend"] .hero .back,
body[data-home-mode="frontend"] #home-auth { min-height:var(--fe-ctl); border-radius:var(--fe-radius); font:700 13px/1.2 var(--mono); }
body[data-home-mode="frontend"] .language-switch { min-width:44px; padding:0 12px; }
body[data-home-mode="frontend"] .hero .back { padding:0 14px; color:#99f6e4; background:rgba(94,234,212,.08); border-color:rgba(94,234,212,.55); box-shadow:none; }
body[data-home-mode="frontend"] .hero .back:hover { color:#032b25; background:#5eead4; border-color:#5eead4; }
body[data-home-mode="frontend"] #home-auth { display:inline-flex; align-items:center; justify-content:center; padding:0 14px; color:var(--text); background:rgba(2,18,11,.5); border:1px solid color-mix(in srgb,var(--accent) 45%,var(--line)); }
body[data-home-mode="frontend"] #home-auth:hover { color:var(--accent); border-color:var(--accent); }
body[data-home-mode="frontend"] .contributor-identity:empty { display:none; }
[data-theme="claude"] body[data-home-mode="frontend"] .hero .back { color:#fffaf0; background:rgba(78,35,10,.3); border-color:rgba(255,250,240,.6); }
[data-theme="claude"] body[data-home-mode="frontend"] .hero .back:hover { color:#7a3b12; background:#fffaf0; }
[data-theme="claude"] body[data-home-mode="frontend"] #home-auth { color:#fffaf0; background:rgba(78,35,10,.3); border-color:rgba(255,250,240,.6); }

/* Notices and section rhythm. Long notes keep a readable measure. */
body[data-home-mode="frontend"] .reconstruction-notice { border-left:3px solid var(--queued); }
body[data-home-mode="frontend"] .home-section { margin:44px 0; scroll-margin-top:16px; }
body[data-home-mode="frontend"] .home-section > h2,
body[data-home-mode="frontend"] .home-heading h2 { font-size:20px; margin:0 0 16px; }
body[data-home-mode="frontend"] .home-heading { margin-bottom:4px; }
body[data-home-mode="frontend"] .home-heading h2 { flex:1 1 auto; margin:0; }
body[data-home-mode="frontend"] main .home-pending { margin:6px 0; font-size:12.5px; line-height:1.7; }
body[data-home-mode="frontend"] :is(#benchmark-insights,#contributors) > .home-pending { max-width:130ch; }
body[data-home-mode="frontend"] #bench-choice { margin-top:18px; color:var(--text); font-weight:700; font-size:13px; }
body[data-home-mode="frontend"] #bench-choice:empty,
body[data-home-mode="frontend"] main .home-pending:empty { display:none; }
body[data-home-mode="frontend"] #benchmark-insights > .home-pending:not(#bench-choice) { padding-left:12px; border-left:2px solid var(--line); }
body[data-home-mode="frontend"] #bench-data-state[data-state="error"] { border-left-color:var(--bad); }

/* Button hierarchy: one filled primary per area, outlined secondaries and
   compact refresh tools that no longer compete with the start action. */
body[data-home-mode="frontend"] .home-primary,
body[data-home-mode="frontend"] .home-actions button,
body[data-home-mode="frontend"] .home-actions a { display:inline-flex; align-items:center; justify-content:center; gap:6px; min-height:var(--fe-ctl); padding:0 16px; border:1px solid color-mix(in srgb,var(--green) 55%,var(--line)); border-radius:var(--fe-radius); background:color-mix(in srgb,var(--green) 6%,var(--panel)); color:var(--green); font:600 13.5px/1.25 var(--mono); text-align:center; text-decoration:none; cursor:pointer; transition:background .15s,border-color .15s,color .15s,box-shadow .15s; }
body[data-home-mode="frontend"] .home-primary:hover,
body[data-home-mode="frontend"] .home-actions button:not(:disabled):hover,
body[data-home-mode="frontend"] .home-actions a:hover { border-color:var(--green); background:color-mix(in srgb,var(--green) 14%,var(--panel)); }
body[data-home-mode="frontend"] .home-heading .home-primary,
body[data-home-mode="frontend"] #join .home-actions > :first-child,
body[data-home-mode="frontend"] #launch-dialog #generate:not(:disabled) { background:var(--green); border-color:var(--green); color:var(--fe-primary-ink); font-weight:800; box-shadow:0 0 18px -6px var(--green); }
body[data-home-mode="frontend"] .home-heading .home-primary:hover,
body[data-home-mode="frontend"] #join .home-actions > :first-child:hover,
body[data-home-mode="frontend"] #launch-dialog #generate:not(:disabled):hover { background:color-mix(in srgb,var(--green) 82%,#fff); color:var(--fe-primary-ink); }
body[data-home-mode="frontend"] .home-actions button:disabled,
body[data-home-mode="frontend"] .home-primary:disabled { border-color:var(--line); background:transparent; color:var(--muted); box-shadow:none; opacity:.65; cursor:not-allowed; }
body[data-home-mode="frontend"] #refresh-overview,
body[data-home-mode="frontend"] #refresh-scores { min-height:32px; margin:4px 0 0; padding:0 12px; border-color:var(--line); background:transparent; color:var(--muted); font-size:12px; font-weight:600; }
body[data-home-mode="frontend"] #refresh-overview::before,
body[data-home-mode="frontend"] #refresh-scores::before { content:"\21BB"; font-size:14px; line-height:1; }
body[data-home-mode="frontend"] #refresh-overview:hover,
body[data-home-mode="frontend"] #refresh-scores:hover { color:var(--text); border-color:color-mix(in srgb,var(--green) 55%,var(--line)); background:var(--panel); }
body[data-home-mode="frontend"] button:focus-visible,
body[data-home-mode="frontend"] a:focus-visible,
body[data-home-mode="frontend"] summary:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

/* Disclosure rows (overview notes, FAQ, task statistics) share one style. */
body[data-home-mode="frontend"] main details,
body[data-home-mode="frontend"] .home-dialog details { padding:0; border-radius:var(--fe-radius); transition:border-color .15s; }
body[data-home-mode="frontend"] main details > summary,
body[data-home-mode="frontend"] .home-dialog details > summary { display:flex; align-items:center; gap:10px; min-height:46px; padding:10px 16px; list-style:none; line-height:1.5; }
body[data-home-mode="frontend"] main details > summary::-webkit-details-marker,
body[data-home-mode="frontend"] .home-dialog details > summary::-webkit-details-marker { display:none; }
body[data-home-mode="frontend"] main details > summary::after,
body[data-home-mode="frontend"] .home-dialog details > summary::after { content:"+"; margin-left:auto; flex:none; color:var(--accent); font:700 16px/1 var(--mono); }
body[data-home-mode="frontend"] main details[open] > summary::after,
body[data-home-mode="frontend"] .home-dialog details[open] > summary::after { content:"\2212"; }
body[data-home-mode="frontend"] main details[open],
body[data-home-mode="frontend"] .home-dialog details[open] { border-color:color-mix(in srgb,var(--accent) 35%,var(--line)); }
body[data-home-mode="frontend"] main details > :not(summary) { margin:0 16px 14px; }
body[data-home-mode="frontend"] #faq details p { font-size:13px; line-height:1.75; }
body[data-home-mode="frontend"] #faq details { margin-bottom:8px; }

/* Model cards: a clearer active card, a framed daily chart and a tappable title. */
body[data-home-mode="frontend"] .bench-model-title { min-height:32px; padding:2px 0; text-underline-offset:4px; }
body[data-home-mode="frontend"] .bench-model-title:hover { text-decoration:underline; }
body[data-home-mode="frontend"] #bench-model-cards > .iqcard { transition:border-color .15s,box-shadow .15s; }
body[data-home-mode="frontend"] #bench-model-cards > .iqcard[data-active="true"] { border-color:color-mix(in srgb,var(--mg-color) 55%,var(--line)); box-shadow:0 10px 28px rgba(0,0,0,.18),0 0 0 1px color-mix(in srgb,var(--mg-color) 30%,transparent); }
body[data-home-mode="frontend"] #bench-model-cards { align-items:stretch; }
body[data-home-mode="frontend"] #bench-model-cards .iq-top-row { grid-template-columns:minmax(85px,auto) minmax(0,1fr); column-gap:12px; align-items:stretch; }
body[data-home-mode="frontend"] #bench-model-cards .iq-top-row .big { align-self:start; }
body[data-home-mode="frontend"] #bench-model-cards .iq-trend { justify-content:stretch; padding:6px 8px; border:1px solid color-mix(in srgb,var(--mg-color) 14%,var(--line)); border-radius:8px; background:color-mix(in srgb,var(--panel2) 70%,transparent); }
body[data-home-mode="frontend"] #bench-model-cards .iq-trend.ph { justify-content:center; min-height:96px; border-style:dashed; background:transparent; text-align:center; }
body[data-home-mode="frontend"] #bench-model-cards .bench-daily-history { max-width:none; margin:0 !important; }
body[data-home-mode="frontend"] #bench-model-cards .bench-daily-history figcaption { text-align:right; letter-spacing:.2px; }
body[data-home-mode="frontend"] #bench-model-cards .bench-daily-history small { margin-top:2px; }
body[data-home-mode="frontend"] #bench-model-cards .cmp { margin-top:10px; line-height:1.55; }

/* Task chips: steadier rhythm and readable text without hiding any line. */
body[data-home-mode="frontend"] .bench-task-grid { gap:8px; }
body[data-home-mode="frontend"] .bench-task-card.chip { min-height:104px; padding:9px 10px; gap:5px; border-radius:8px; transition:border-color .15s,background .15s,box-shadow .15s; }
body[data-home-mode="frontend"] .bench-task-card.chip strong { color:var(--text); font-size:11.5px; line-height:1.4; }
body[data-home-mode="frontend"] .bench-task-card.chip .bench-task-number { font-size:11.5px; letter-spacing:.4px; }
body[data-home-mode="frontend"] .bench-task-card.chip .bench-task-result { font-size:10.5px; line-height:1.45; }
body[data-home-mode="frontend"] .bench-task-card.chip:focus-visible { outline:2px solid var(--accent); outline-offset:2px; }

/* Leaderboard tabs get real hit areas; join steps read as one sequence. */
body[data-home-mode="frontend"] .ltabs { display:inline-flex; }
body[data-home-mode="frontend"] .ltabs button { min-height:34px; padding:0 16px; font-size:13px; }
body[data-home-mode="frontend"] #contributors .ladder-live-table thead th { white-space:nowrap; }
body[data-home-mode="frontend"] .steps { gap:12px; counter-reset:none; }
body[data-home-mode="frontend"] .step { border-radius:var(--fe-radius); padding:30px 18px 16px; }
body[data-home-mode="frontend"] .step > b { color:var(--text); font-size:13.5px; margin-bottom:6px; }
body[data-home-mode="frontend"] .step p { line-height:1.7; }
body[data-home-mode="frontend"] #join .home-actions { margin-top:16px; }
body[data-home-mode="frontend"] footer { display:flex; flex-wrap:wrap; align-items:center; gap:4px 8px; }
body[data-home-mode="frontend"] footer a { display:inline-flex; align-items:center; min-height:32px; }

/* Dialogs: sticky title bar, 40px close target, consistent text spacing. */
body[data-home-mode="frontend"] .home-dialog { width:min(640px,calc(100vw - 24px)); max-width:none; max-height:min(88dvh,880px); padding:0 0 20px; border-radius:14px; box-shadow:0 24px 80px rgba(0,0,0,.55); overscroll-behavior:contain; }
body[data-home-mode="frontend"] .home-dialog::backdrop { background:rgba(0,0,0,.72); backdrop-filter:blur(3px); }
body[data-home-mode="frontend"] .home-dialog > :not(.home-dialog-head) { margin-left:22px; margin-right:22px; }
body[data-home-mode="frontend"] .home-dialog > p { margin-top:10px; margin-bottom:10px; line-height:1.7; }
body[data-home-mode="frontend"] .home-dialog-head { position:sticky; top:0; z-index:2; align-items:center; margin-bottom:14px; padding:14px 14px 12px 22px; border-bottom:1px solid var(--line); background:var(--panel); }
body[data-home-mode="frontend"] .home-dialog-head h2 { font-size:17px; line-height:1.4; }
body[data-home-mode="frontend"] .home-dialog-head h2::after { display:none; }
body[data-home-mode="frontend"] .home-dialog-head button { flex:none; display:inline-flex; align-items:center; justify-content:center; width:40px; height:40px; padding:0; border-radius:var(--fe-radius); font:400 22px/1 var(--mono); cursor:pointer; }
body[data-home-mode="frontend"] .home-dialog-head button:hover { border-color:var(--accent); color:var(--accent); }
body[data-home-mode="frontend"] .home-dialog dl { gap:10px 14px; padding:4px 0; }

@media (max-width:720px) {
  body[data-home-mode="frontend"] { --fe-ctl:40px; }
  /* Phone header: one swipeable nav strip and one utility row. */
  body[data-home-mode="frontend"] .hero { padding:14px 0 14px; }
  body[data-home-mode="frontend"] .hero .wrap { gap:10px; }
  body[data-home-mode="frontend"] .hero-nav { flex-wrap:nowrap; overflow-x:auto; margin:4px -14px 0; padding:2px 14px 4px; gap:6px; scroll-padding-inline:14px; -webkit-mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent); mask-image:linear-gradient(90deg,#000 calc(100% - 28px),transparent); }
  body[data-home-mode="frontend"] .hero .hero-link { flex:none; min-height:40px; padding:0 13px; white-space:nowrap; border-color:rgba(255,255,255,.14); background:rgba(0,0,0,.18); font-size:12.5px; }
  body[data-home-mode="frontend"] .hero .slogan { margin-top:6px; font-size:14px; }
  body[data-home-mode="frontend"] .hero-right { flex-wrap:wrap; justify-content:flex-start; gap:8px; margin-top:0; }
  /* Signed-in badges take their own row instead of widening the phone. */
  body[data-home-mode="frontend"] #contributor-identity { order:3; flex:1 0 100%; min-width:0; }
  body[data-home-mode="frontend"] .hero-actions { width:auto; justify-content:flex-start; }
  body[data-home-mode="frontend"] #home-auth { margin-left:auto; max-width:46%; }
  body[data-home-mode="frontend"] .home-section { margin:34px 0; }
  body[data-home-mode="frontend"] .home-section > h2,
  body[data-home-mode="frontend"] .home-heading h2 { font-size:18px; }
  body[data-home-mode="frontend"] .home-heading .home-primary { width:100%; }
  body[data-home-mode="frontend"] .ltabs button { min-height:40px; }
  body[data-home-mode="frontend"] .bench-model-title { min-height:40px; }
  body[data-home-mode="frontend"] #refresh-overview,
  body[data-home-mode="frontend"] #refresh-scores,
  body[data-home-mode="frontend"] footer a { min-height:40px; }
  /* Edge shadows show that the ladder table scrolls sideways. */
  body[data-home-mode="frontend"] #contributors .tablebox { background:linear-gradient(90deg,var(--panel) 30%,transparent) left/28px 100% no-repeat local,linear-gradient(270deg,var(--panel) 30%,transparent) right/28px 100% no-repeat local,radial-gradient(farthest-side at 0 50%,color-mix(in srgb,var(--green) 28%,transparent),transparent) left/12px 100% no-repeat scroll,radial-gradient(farthest-side at 100% 50%,color-mix(in srgb,var(--green) 28%,transparent),transparent) right/12px 100% no-repeat scroll,var(--panel); }
  body[data-home-mode="frontend"] #contributors table.flat { background:transparent; }
  /* Pending/settled point notes wrap in two or three lines, not six. */
  body[data-home-mode="frontend"] #contributors .ladder-live-table td:nth-child(4) { min-width:150px; }
  body[data-home-mode="frontend"] #ladder-tools button { min-height:40px; }
  body[data-home-mode="frontend"] .home-dialog { width:calc(100vw - 16px); max-height:calc(100dvh - 24px); padding-bottom:16px; }
  body[data-home-mode="frontend"] .home-dialog > :not(.home-dialog-head) { margin-left:16px; margin-right:16px; }
  body[data-home-mode="frontend"] .home-dialog-head { padding:10px 10px 10px 16px; }
  body[data-home-mode="frontend"] .home-dialog-head h2 { font-size:15px; }
  body[data-home-mode="frontend"] .home-dialog dl { grid-template-columns:84px minmax(0,1fr); }
  body[data-home-mode="frontend"] #join .home-actions > * { flex:1 1 calc(50% - 10px); }
}
@media (max-width:640px) {
  /* Six model cards and 64 task chips become swipeable rows instead of
     several thousand pixels of vertical scrolling; every card stays in DOM
     order and reachable by touch, keyboard and screen readers. */
  body[data-home-mode="frontend"] #bench-model-cards,
  body[data-home-mode="frontend"] #bench-task-grid { overflow-x:auto; overscroll-behavior-x:contain; scroll-snap-type:x mandatory; margin-inline:-14px; padding:2px 14px 12px; scroll-padding-inline:14px; scrollbar-width:thin; }
  body[data-home-mode="frontend"] #bench-model-cards { grid-auto-flow:column; grid-template-columns:none; grid-auto-columns:86%; gap:10px; }
  body[data-home-mode="frontend"] #bench-model-cards > .iqcard { scroll-snap-align:start; }
  body[data-home-mode="frontend"] #bench-task-grid { grid-auto-flow:column; grid-template-columns:none; grid-template-rows:repeat(4,auto); grid-auto-columns:46%; }
  body[data-home-mode="frontend"] #bench-task-grid > .bench-task-card { scroll-snap-align:start; min-height:100px; }
}
@media (prefers-reduced-motion:reduce) {
  body[data-home-mode="frontend"] #bench-model-cards,
  body[data-home-mode="frontend"] #bench-task-grid { scroll-behavior:auto; }
}