/* ── TopMD tokens ─────────────────────────────────────────────────────── */
:root {
  --font: "Inter", system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-q: var(--font);
  --font-scale: 1; --q-zoom: 1; --lh: 1.65;
  --r: 14px; --r-sm: 10px; --side: 232px; --top: 60px;
  --ease: cubic-bezier(.2, .7, .2, 1);
}
:root, [data-theme="dark"] {
  color-scheme: dark;
  --bg: #0a1220; --bg-2: #0d1729; --panel: #0f1b2e; --card: #13223a; --card-2: #182a46; --raise: #1c3050;
  --fg: #e7eef8; --fg-2: #c3d0e3; --muted: #8798b3; --line: #1f3252; --line-2: #2a4268;
  --primary: #38bdf8; --primary-2: #7dd3fc; --primary-soft: rgb(56 189 248 / .12); --on-primary: #04121f;
  --teal: #2dd4bf; --teal-soft: rgb(45 212 191 / .12); --violet: #a78bfa; --amber: #fbbf24; --rose: #fb7185;
  --ok: #34d399; --ok-soft: rgb(52 211 153 / .13); --bad: #f87171; --bad-soft: rgb(248 113 113 / .13); --warn: #fbbf24; --warn-soft: rgb(251 191 36 / .13);
  --glow: 0 0 0 1px rgb(56 189 248 / .55), 0 0 18px rgb(56 189 248 / .25);
  --shadow: 0 8px 28px rgb(0 0 0 / .28);
  --shadow-lg: 0 24px 60px rgb(0 0 0 / .5);
}
[data-theme="light"] {
  color-scheme: light;
  --bg: #eef2f8; --bg-2: #e6ecf5; --panel: #ffffff; --card: #f6f8fc; --card-2: #eef3fa; --raise: #e5ecf6;
  --fg: #0f172a; --fg-2: #334155; --muted: #64748b; --line: #dfe6f0; --line-2: #c9d4e4;
  --primary: #0284c7; --primary-2: #0369a1; --primary-soft: rgb(2 132 199 / .1); --on-primary: #fff;
  --teal: #0d9488; --teal-soft: rgb(13 148 136 / .1); --violet: #7c3aed; --amber: #d97706; --rose: #e11d48;
  --ok: #16a34a; --ok-soft: rgb(22 163 74 / .1); --bad: #dc2626; --bad-soft: rgb(220 38 38 / .09); --warn: #d97706; --warn-soft: rgb(217 119 6 / .1);
  --glow: 0 0 0 1px rgb(2 132 199 / .5), 0 0 14px rgb(2 132 199 / .18);
  --shadow: 0 1px 2px rgb(15 23 42 / .05), 0 8px 24px rgb(15 23 42 / .06);
  --shadow-lg: 0 24px 60px rgb(15 23 42 / .22);
}
[data-theme="reverse"] { color-scheme: dark; --bg: #000; --bg-2: #050505; --panel: #0a0a0a; --card: #111; --card-2: #181818; --raise: #222; --fg: #fff; --fg-2: #eee; --muted: #aaa; --line: #2a2a2a; --line-2: #3a3a3a; --primary: #4f8cff; --primary-2: #7aa7ff; --primary-soft: rgb(79 140 255 / .14); --on-primary: #000; --teal: #2dd4bf; --teal-soft: rgb(45 212 191 / .12); --violet: #c4b5fd; --amber: #fbbf24; --rose: #fb7185; --ok: #3ddc84; --ok-soft: rgb(61 220 132 / .13); --bad: #ff6b6b; --bad-soft: rgb(255 107 107 / .13); --warn: #ffc247; --warn-soft: rgb(255 194 71 / .13); --glow: 0 0 0 1px #4f8cff; --shadow: none; --shadow-lg: 0 24px 60px #000; }
[data-font="serif"] { --font-q: "Times New Roman", Times, serif; } [data-font="sans"] { --font-q: Arial, Helvetica, sans-serif; }
[data-font="georgia"] { --font-q: Georgia, serif; } [data-font="palatino"] { --font-q: "Palatino Linotype", Palatino, serif; }
[data-lh="tight"] { --lh: 1.45; } [data-lh="relaxed"] { --lh: 1.9; }

/* ── Base ───────────────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: var(--bg); color: var(--fg); font: 14.5px/1.5 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--primary); text-decoration: none; }
button, input, select, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
img { max-width: 100%; height: auto; }
h1, h2, h3 { line-height: 1.25; margin: 0; }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; border-radius: 6px; }
.ic { flex: none; display: inline-block; vertical-align: middle; }
.ic.flip { transform: rotate(180deg); }
.spin { animation: spin 1s linear infinite; } @keyframes spin { to { transform: rotate(360deg); } }
.ok-t { color: var(--ok); } .bad-t { color: var(--bad); } .muted-t { color: var(--muted); } .flag-t { color: var(--amber); } .star-t { color: var(--amber); } .blue-t { color: var(--primary); }
.danger-t { color: var(--bad) !important; }
.mono { font-family: ui-monospace, "Cascadia Code", Consolas, monospace; letter-spacing: .04em; }
[hidden] { display: none !important; }
.boot { min-height: 100vh; display: grid; place-items: center; }
.boot-mark { width: 44px; height: 44px; border-radius: 12px; background: linear-gradient(135deg, #38bdf8, #2dd4bf); animation: pulse 1s ease-in-out infinite alternate; }
@keyframes pulse { from { opacity: .4; transform: scale(.92); } to { opacity: 1; transform: scale(1); } }
::-webkit-scrollbar { width: 10px; height: 10px; } ::-webkit-scrollbar-thumb { background: var(--line-2); border-radius: 8px; border: 2px solid transparent; background-clip: padding-box; }

/* ── Controls ───────────────────────────────────────────────────────────── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 9px 16px; border-radius: 10px; border: 1px solid var(--line-2);
  background: var(--card); color: var(--fg); font-weight: 600; font-size: 14px; line-height: 1.2; text-decoration: none !important; white-space: nowrap; transition: background .15s, border-color .15s, box-shadow .15s; }
.btn:hover { background: var(--card-2); border-color: var(--primary); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btn.primary { background: linear-gradient(135deg, #22d3ee, #38bdf8); border-color: transparent; color: #04121f; }
.btn.primary:hover { box-shadow: 0 0 18px rgb(56 189 248 / .45); }
.btn.teal { background: linear-gradient(135deg, #2dd4bf, #34d399); border-color: transparent; color: #04211c; }
.btn.ok { background: var(--ok-soft); color: var(--ok); border-color: transparent; }
.btn.danger { background: var(--bad); border-color: var(--bad); color: #fff; }
.btn.danger-ghost { background: var(--bad-soft); color: var(--bad); border-color: transparent; }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.outline { background: transparent; }
.btn.amber { background: rgb(251 191 36 / .14); border-color: var(--amber); color: var(--amber); }
.btn.sm { padding: 6px 11px; font-size: 13px; border-radius: 8px; }
.btn.lg { padding: 12px 20px; font-size: 15px; }
.btn.block { width: 100%; }
.link-btn { border: 0; background: none; color: var(--primary); font-weight: 600; padding: 4px 0; font-size: 14px; }
.icon-btn { display: inline-grid; place-items: center; width: 36px; height: 36px; border-radius: 10px; border: 1px solid transparent; background: transparent; color: var(--fg-2); position: relative; }
.icon-btn:hover { background: var(--card); border-color: var(--line); color: var(--fg); }
.icon-btn:disabled { opacity: .35; } .icon-btn.on { color: var(--primary); }
.row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.stack { display: grid; gap: 14px; }
.input { width: 100%; padding: 10px 13px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); font-size: 14.5px; color: var(--fg); }
.input.big { padding: 12px 15px; font-size: 15px; }
.input:focus, .field input:focus, .field textarea:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.field { display: grid; gap: 6px; font-size: 13px; font-weight: 600; color: var(--fg-2); }
.field input, .field textarea, .field select { width: 100%; padding: 10px 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); font-size: 14.5px; font-weight: 400; color: var(--fg); }
.form-error { color: var(--bad); font-size: 14px; margin: 0; }
.hint { color: var(--muted); font-size: 13px; margin: 6px 0; }
.label { font-size: 12px; font-weight: 700; color: var(--muted); margin: 14px 0 8px; text-transform: uppercase; letter-spacing: .06em; }
.chips { display: flex; gap: 8px; flex-wrap: wrap; margin: 10px 0 14px; }
.chip { border: 1px solid var(--line-2); background: var(--card); padding: 6px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; color: var(--fg-2); }
.chip.on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-2); }
.seg { display: inline-flex; background: var(--bg-2); border: 1px solid var(--line); border-radius: 10px; padding: 3px; gap: 2px; flex-wrap: wrap; }
.seg button { border: 0; background: transparent; padding: 6px 12px; font-size: 13px; font-weight: 600; color: var(--muted); border-radius: 8px; }
.seg button.on { background: var(--card-2); color: var(--fg); box-shadow: 0 1px 3px rgb(0 0 0 / .25); }
.seg.wide { display: flex; width: 100%; margin-bottom: 12px; } .seg.wide button { flex: 1; } .seg.sm button { padding: 5px 9px; font-size: 12.5px; }
.badge { display: inline-flex; align-items: center; gap: 4px; font-size: 11.5px; font-weight: 700; padding: 2px 8px; border-radius: 999px; background: var(--card-2); color: var(--fg-2); vertical-align: middle; }
.badge.ok { background: var(--ok-soft); color: var(--ok); } .badge.warn { background: var(--warn-soft); color: var(--warn); }
.pill { background: var(--primary-soft); color: var(--primary-2); border: 1px solid var(--primary); border-radius: 999px; padding: 3px 11px; font-size: 12.5px; font-weight: 700; }
.tag { display: inline-flex; align-items: center; gap: 4px; padding: 3px 10px; border-radius: 999px; font-size: 12px; font-weight: 600; border: 1px solid; white-space: nowrap; }
.tag.t-track { color: #fda4af; border-color: rgb(251 113 133 / .5); background: rgb(251 113 133 / .1); }
.tag.t-source { color: var(--primary-2); border-color: rgb(56 189 248 / .5); background: var(--primary-soft); }
.tag.t-system { color: #6ee7b7; border-color: rgb(52 211 153 / .5); background: rgb(52 211 153 / .1); }
.tag.t-subject { color: #c4b5fd; border-color: rgb(167 139 250 / .5); background: rgb(167 139 250 / .1); }
.tag.t-free { color: var(--amber); border-color: rgb(251 191 36 / .45); background: var(--warn-soft); }
[data-theme="light"] .tag.t-track { color: #be123c; } [data-theme="light"] .tag.t-system { color: #047857; } [data-theme="light"] .tag.t-subject { color: #6d28d9; } [data-theme="light"] .tag.t-source { color: #0369a1; }
.notice { display: flex; gap: 12px; align-items: flex-start; padding: 12px 14px; border-radius: 12px; background: var(--primary-soft); border: 1px solid var(--line-2); margin-bottom: 12px; font-size: 14px; }
.notice p { margin: 0 0 6px; } .notice-warn { background: var(--warn-soft); }
.check-row { display: flex; align-items: center; gap: 12px; padding: 10px 6px; border-bottom: 1px solid var(--line); cursor: pointer; }
.check-row:last-child { border-bottom: 0; }
.check-row input { width: 18px; height: 18px; accent-color: var(--primary); flex: none; }
.check-row span { flex: 1; display: grid; } .check-row small { color: var(--muted); font-size: 12px; }
.check-row em { font-style: normal; font-size: 12.5px; color: var(--muted); font-variant-numeric: tabular-nums; }
.check-row.all { font-weight: 700; }
.check-inline { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--fg-2); }
.switch-ui { position: relative; display: inline-block; width: 40px; height: 22px; flex: none; }
.switch-ui input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; z-index: 1; }
.switch-ui i { position: absolute; inset: 0; border-radius: 999px; background: var(--line-2); transition: .2s; }
.switch-ui i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: .2s; }
.switch-ui input:checked + i { background: var(--teal); } .switch-ui input:checked + i::after { left: 21px; }

/* ── Shell: sidebar + top bar ───────────────────────────────────────────── */
#app.shelled { display: grid; grid-template-columns: var(--side) 1fr; grid-template-rows: var(--top) 1fr; min-height: 100vh; }
.side { grid-row: 1 / -1; position: sticky; top: 0; height: 100vh; overflow-y: auto; display: flex; flex-direction: column; gap: 2px; padding: 0 12px 16px; background: var(--panel); border-right: 1px solid var(--line); }
.logo { display: flex; align-items: center; gap: 10px; min-height: var(--top); padding: 0 6px; color: var(--fg); font-weight: 800; font-size: 19px; letter-spacing: .02em; text-decoration: none !important; }
.logo b { color: var(--primary); font-weight: 800; }
.side-nav { display: grid; gap: 2px; }
.side-nav a { display: flex; align-items: center; gap: 12px; padding: 9px 12px; border-radius: 10px; color: var(--fg-2); font-weight: 500; text-decoration: none; }
.side-nav a:hover { background: var(--card); color: var(--fg); }
.side-nav a.active { background: var(--primary-soft); color: var(--primary-2); box-shadow: inset 2px 0 0 var(--primary); }
.side-cap { margin: 18px 12px 6px; font-size: 11.5px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); }
.side-nav.tracks a { line-height: 1.25; }
.side-nav .flag { width: 28px; flex: none; font-size: 17px; letter-spacing: -2px; display: inline-grid; place-items: center; color: var(--primary); }
.side-nav.low { margin-top: auto; padding-top: 14px; border-top: 1px solid var(--line); }
.top { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: 12px; padding: 0 18px; background: color-mix(in srgb, var(--panel) 92%, transparent); backdrop-filter: blur(10px); border-bottom: 1px solid var(--line); }
.side-toggle { display: none; }
.crumbs { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); white-space: nowrap; overflow: hidden; min-width: 0; flex: 0 1 auto; }
.crumbs a { color: var(--muted); } .crumbs a:hover { color: var(--fg); } .crumb-cur { color: var(--fg); font-weight: 600; } .crumb-sep { display: inline-flex; opacity: .6; }
.top-search { flex: 1; max-width: 560px; margin-left: auto; display: flex; align-items: center; gap: 8px; padding: 0 12px; height: 38px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); color: var(--muted); }
.top-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.top-search input { flex: 1; border: 0; outline: none; background: transparent; color: var(--fg); min-width: 0; }
.mode-toggle { display: inline-flex; align-items: center; gap: 10px; padding: 0 12px; height: 38px; border: 1px solid var(--line-2); border-radius: 10px; font-size: 13.5px; font-weight: 600; cursor: pointer; position: relative; white-space: nowrap; }
.mode-toggle input { position: absolute; opacity: 0; }
.mode-toggle i { width: 36px; height: 20px; border-radius: 999px; background: var(--teal); position: relative; transition: .2s; }
.mode-toggle i::after { content: ""; position: absolute; top: 3px; left: 3px; width: 14px; height: 14px; border-radius: 50%; background: #fff; transition: .2s; }
.mode-toggle input:checked + i { background: var(--amber); } .mode-toggle input:checked + i::after { left: 19px; }
.bell em { position: absolute; top: 3px; right: 3px; min-width: 16px; height: 16px; border-radius: 999px; background: var(--primary); color: var(--on-primary); font-style: normal; font-size: 10px; font-weight: 800; display: grid; place-items: center; padding: 0 4px; }
.avatar { width: 36px; height: 36px; border-radius: 50%; border: 2px solid var(--line-2); background: linear-gradient(135deg, #0ea5e9, #8b5cf6); color: #fff; font-weight: 800; font-size: 13px; display: grid; place-items: center; flex: none; }
.main { min-width: 0; }
.net-dot { position: fixed; z-index: 70; left: 12px; bottom: 10px; width: 8px; height: 8px; border-radius: 50%; background: var(--ok); }
.net-dot.busy { background: var(--warn); } .net-dot.off { background: var(--bad); }
.page { max-width: 1320px; margin: 0 auto; padding: 22px 26px 80px; }
.page.narrow { max-width: 900px; }
.panel-wrap { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; box-shadow: var(--shadow); margin-bottom: 18px; }
.panel-h { font-size: 17px; font-weight: 700; display: flex; align-items: center; gap: 8px; margin: 0 0 12px; }
.panel-h .accent { color: var(--primary); }
.panel-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.sub-h { font-size: 15px; font-weight: 700; margin: 20px 0 8px; }
.search-row { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; }
.empty-state { text-align: center; padding: 50px 20px; color: var(--muted); display: grid; justify-items: center; gap: 10px; }
.empty-state h2 { color: var(--fg); font-size: 19px; } .empty-state p { margin: 0 0 6px; max-width: 460px; }

/* lists */
.card-section { margin-bottom: 14px; }
.section-head { width: 100%; display: flex; justify-content: space-between; align-items: center; padding: 10px 4px; border: 0; background: none; font-size: 16px; font-weight: 700; color: var(--fg-2); }
.section-head em { font-style: normal; font-size: 12px; color: var(--muted); margin-left: 6px; } .section-head.static { cursor: default; }
.list { background: var(--card); border-radius: 12px; overflow: hidden; border: 1px solid var(--line); }
.list.boxed { margin-bottom: 14px; }
.list-row { width: 100%; display: flex; align-items: center; gap: 12px; padding: 11px 14px; border: 0; border-bottom: 1px solid var(--line); background: transparent; color: var(--fg); text-align: left; text-decoration: none !important; font-size: 14.5px; }
.list-row:last-child { border-bottom: 0; }
a.list-row:hover, button.list-row:hover { background: var(--card-2); }
.list-row.compact { padding: 8px 14px; font-size: 14px; } .list-row.on { background: var(--primary-soft); }
.row-title { flex: 1; font-weight: 600; color: var(--fg); } .row-title.light { font-weight: 500; }
.row-main { flex: 1; display: grid; gap: 2px; min-width: 0; }
.row-main small { color: var(--muted); font-size: 12.5px; overflow: hidden; text-overflow: ellipsis; }
.row-meta { color: var(--muted); font-size: 13px; font-weight: 600; }
.list-sub { display: flex; justify-content: space-between; align-items: center; padding: 8px 2px; font-weight: 700; font-size: 14px; }
.list-empty { padding: 14px; color: var(--muted); }
.list-empty.center { text-align: center; padding: 40px 16px; }
.db-ico { width: 44px; height: 44px; border-radius: 12px; flex: none; display: grid; place-items: center; color: #fff; background: var(--accent, var(--primary)); }
.count { min-width: 30px; height: 22px; padding: 0 7px; border-radius: 999px; background: var(--card-2); font-size: 12px; font-weight: 700; display: grid; place-items: center; color: var(--fg-2); }
.tree-l1 { padding-left: 32px; } .tree-l2 { padding-left: 52px; } .toc-q .list-row { padding-left: 72px; }
.qid { font-size: 12px; color: var(--muted); font-variant-numeric: tabular-nums; }
.qdot { width: 9px; height: 9px; border-radius: 50%; background: var(--line-2); flex: none; }
.q-correct { background: var(--ok); } .q-incorrect, .q-omitted { background: var(--bad); } .q-reading { background: var(--violet); }

/* ── Auth ───────────────────────────────────────────────────────────────── */
.auth-page { min-height: 100vh; display: grid; grid-template-columns: 1.1fr 1fr; }
.auth-hero { padding: 56px; background: radial-gradient(900px 500px at 0% 0%, rgb(56 189 248 / .35), transparent 60%), radial-gradient(700px 500px at 100% 100%, rgb(45 212 191 / .25), transparent 60%), #071021; color: #fff; display: flex; flex-direction: column; justify-content: center; gap: 26px; }
.brand { display: flex; align-items: center; gap: 12px; color: #fff; }
.brand-name { font-weight: 800; font-size: 28px; letter-spacing: .02em; } .brand-name b { color: #38bdf8; }
.auth-hero h1 { font-size: clamp(28px, 3.2vw, 40px); max-width: 520px; }
.hero-points { list-style: none; padding: 0; margin: 0; display: grid; gap: 14px; font-size: 15.5px; color: #cfe3ff; }
.hero-points li { display: flex; gap: 12px; align-items: center; }
.auth-card { padding: 56px clamp(24px, 6vw, 80px); display: flex; flex-direction: column; justify-content: center; max-width: 560px; width: 100%; justify-self: center; }
.auth-card h2 { font-size: 26px; margin-bottom: 22px; }
.auth-card form { display: grid; gap: 14px; }
.auth-switch { margin: 18px 0 0; color: var(--muted); font-size: 14px; }
.auth-note { display: flex; gap: 8px; align-items: center; color: var(--muted); font-size: 13px; margin-top: 26px; padding-top: 18px; border-top: 1px solid var(--line); }

/* ── Dashboard ──────────────────────────────────────────────────────────── */
.welcome { position: relative; overflow: hidden; border-radius: var(--r); padding: 22px 24px; margin-bottom: 22px; border: 1px solid rgb(45 212 191 / .35);
  background: radial-gradient(600px 220px at 100% 0%, rgb(45 212 191 / .35), transparent 70%), linear-gradient(120deg, #0f2a44, #0f3a45); }
[data-theme="light"] .welcome { background: radial-gradient(600px 220px at 100% 0%, rgb(45 212 191 / .25), transparent 70%), linear-gradient(120deg, #e0f2fe, #ccfbf1); }
.welcome h1 { font-size: 26px; } .welcome p { margin: 4px 0 16px; color: var(--fg-2); }
.welcome-stats { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 1px; background: var(--line); border-radius: 12px; overflow: hidden; border: 1px solid var(--line); max-width: 760px; }
.welcome-stats > div { background: color-mix(in srgb, var(--panel) 75%, transparent); padding: 12px 16px; display: grid; gap: 6px; }
.welcome-stats b { font-size: 13px; font-weight: 600; color: var(--fg-2); } .welcome-stats b em { font-style: normal; color: var(--teal); font-weight: 800; margin-left: 6px; }
.welcome-stats small { color: var(--muted); font-size: 12px; }
.meter { height: 6px; border-radius: 999px; background: var(--line-2); overflow: hidden; }
.meter span { display: block; height: 100%; border-radius: inherit; background: linear-gradient(90deg, #22d3ee, #2dd4bf); }
.meter.amber span { background: linear-gradient(90deg, #f59e0b, #fb923c); }
.sec-h { font-size: 18px; font-weight: 700; margin: 6px 0 12px; }
.track-tiles { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; margin-bottom: 24px; }
.track-tile { position: relative; display: grid; gap: 4px; padding: 16px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); text-decoration: none !important; color: var(--fg); transition: border-color .15s, transform .15s; }
.track-tile:hover { border-color: var(--primary); transform: translateY(-2px); box-shadow: var(--glow); }
.track-tile .flags { font-size: 34px; line-height: 1; letter-spacing: -4px; height: 40px; display: flex; align-items: center; }
.track-tile .flags .ic { color: var(--primary); }
.track-tile b { font-size: 16px; margin-top: 8px; } .track-tile small { color: var(--muted); font-size: 13px; }
.track-tile .tt-meta { position: absolute; right: 14px; top: 14px; font-size: 12px; color: var(--muted); text-align: right; }
.dash-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.resume-card { display: grid; gap: 10px; padding: 16px; border-radius: var(--r); background: var(--card); border: 1px solid var(--primary); box-shadow: var(--glow); }
.resume-card .rc-head { display: flex; gap: 12px; align-items: center; }
.src-badge { width: 40px; height: 40px; border-radius: 50%; display: grid; place-items: center; font-weight: 800; font-size: 13px; color: #fff; background: var(--accent, var(--primary)); flex: none; box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent, var(--primary)) 25%, transparent); }
.rec-list { display: grid; gap: 8px; }
.rec { display: flex; gap: 12px; align-items: center; padding: 12px 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); text-align: left; color: var(--fg); text-decoration: none !important; width: 100%; }
.rec:hover { border-color: var(--primary); }
.rec .rec-ic { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; background: var(--primary-soft); color: var(--primary); flex: none; }
.rec .row-main b { font-weight: 600; }

/* ── Hubs & sources ─────────────────────────────────────────────────────── */
.filters { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; margin-bottom: 18px; }
.filters h3 { font-size: 15px; margin-bottom: 10px; }
.chain { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; margin-bottom: 12px; }
.chain .sep { color: var(--muted); display: inline-flex; }
.chain .tag { padding: 5px 12px; font-size: 13px; }
.chain .tag button { border: 0; background: none; color: inherit; padding: 0; margin-left: 4px; opacity: .7; }
.filter-selects { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.hub-grid { display: grid; grid-template-columns: 1fr 300px; gap: 18px; align-items: start; }
.hub-title { font-size: 21px; font-weight: 700; margin-bottom: 4px; } .hub-title .accent { color: var(--primary); }
.src-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(290px, 1fr)); gap: 14px; margin-bottom: 8px; }
.src-card { position: relative; display: grid; gap: 10px; padding: 16px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); }
.src-card.live { border-color: color-mix(in srgb, var(--accent, var(--primary)) 70%, transparent); box-shadow: 0 0 0 1px color-mix(in srgb, var(--accent, var(--primary)) 30%, transparent), 0 0 20px color-mix(in srgb, var(--accent, var(--primary)) 14%, transparent); }
.src-card.empty { opacity: .62; }
.src-head { display: flex; align-items: center; gap: 12px; }
.src-head h4 { margin: 0; font-size: 17px; } .src-head small { color: var(--muted); }
.src-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.src-foot .meter { flex: 1; max-width: 170px; }
.src-meta { font-size: 12.5px; color: var(--fg-2); display: flex; justify-content: space-between; gap: 8px; }
.section-bar { display: flex; justify-content: space-between; align-items: center; margin: 18px 0 10px; gap: 10px; flex-wrap: wrap; }
.section-bar h3 { font-size: 17px; }
.form-strip { display: flex; gap: 8px; flex-wrap: wrap; }
.form-chip { display: inline-flex; flex-direction: column; align-items: center; gap: 2px; padding: 8px 12px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); font-size: 13px; font-weight: 700; color: var(--fg); min-width: 92px; }
.form-chip small { font-weight: 500; color: var(--muted); font-size: 11px; }
.form-chip.ready { border-color: var(--teal); } .form-chip:disabled { opacity: .5; cursor: not-allowed; }
.fixed-card { display: grid; grid-template-columns: auto 1fr auto; gap: 16px; align-items: center; padding: 16px; border-radius: var(--r); background: var(--card); border: 1px solid var(--line); margin-bottom: 10px; }
.fixed-card .fc-ic { width: 44px; height: 44px; border-radius: 12px; background: var(--primary-soft); color: var(--primary); display: grid; place-items: center; }
.fixed-card h4 { margin: 0 0 4px; font-size: 17px; } .fixed-card ul { margin: 4px 0 0; padding-left: 18px; color: var(--muted); font-size: 13px; }
.policy { display: inline-flex; gap: 6px; align-items: center; font-size: 12px; border: 1px solid var(--line-2); border-radius: 999px; padding: 3px 10px; color: var(--fg-2); }
.side-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; margin-bottom: 14px; }
.side-card h4 { margin: 0 0 4px; font-size: 15px; } .side-card p { margin: 0 0 10px; color: var(--muted); font-size: 12.5px; }
.subject-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: 10px; }
.subject-tile { display: grid; gap: 4px; padding: 14px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); text-align: left; color: var(--fg); }
.subject-tile:hover { border-color: var(--primary); } .subject-tile b { font-size: 14.5px; } .subject-tile small { color: var(--muted); }
.subject-tile:disabled { opacity: .5; cursor: not-allowed; }

/* stack viewer */
.stack-viewer { border-radius: 12px; overflow: hidden; background: #000; border: 1px solid var(--line); }
.sv-head { display: flex; align-items: center; gap: 8px; padding: 8px 10px; background: #0b1424; color: #dbe7f7; font-size: 13px; font-weight: 600; }
.sv-stage { position: relative; aspect-ratio: 1; display: grid; place-items: center; cursor: ns-resize; touch-action: none; user-select: none; }
.sv-stage img { width: 100%; height: 100%; object-fit: contain; pointer-events: none; }
.sv-arrow { position: absolute; top: 50%; transform: translateY(-50%); width: 34px; height: 34px; border-radius: 50%; border: 0; background: rgb(0 0 0 / .5); color: #fff; display: grid; place-items: center; }
.sv-arrow.l { left: 8px; } .sv-arrow.r { right: 8px; }
.sv-bar { height: 4px; background: #1e293b; } .sv-bar span { display: block; height: 100%; background: var(--primary); }
.sv-foot { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 8px; background: #0b1424; color: #dbe7f7; font-size: 13px; }
.sv-foot input[type=range] { flex: 1; accent-color: var(--primary); }
.sv-foot .btn { background: #13223a; border-color: #2a4268; color: #dbe7f7; }

/* search */
.search-layout { display: grid; grid-template-columns: 220px 1fr; gap: 18px; align-items: start; }
.facets { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; position: sticky; top: 76px; }
.facets h3 { font-size: 17px; margin: 4px 6px 12px; } .facets .fcap { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 0 6px 8px; font-weight: 700; }
.facet { width: 100%; display: flex; align-items: center; gap: 10px; padding: 10px; border: 0; background: transparent; border-radius: 10px; color: var(--fg-2); text-align: left; font-weight: 500; }
.facet:hover { background: var(--card); } .facet.on { background: var(--card-2); color: var(--fg); }
.facet em { margin-left: auto; font-style: normal; font-size: 12px; color: var(--muted); }
.results-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 12px; }
.results-head h2 { font-size: 18px; font-weight: 600; } .results-head h2 b { color: var(--primary); }
.result { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 14px; margin-bottom: 10px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.result:hover { border-color: var(--line-2); }
.result .r-n { grid-column: 1 / -1; font-size: 12px; color: var(--muted); margin-bottom: -6px; }
.result .r-thumb { width: 96px; height: 66px; border-radius: 8px; background: #000; display: grid; place-items: center; color: #fff; overflow: hidden; }
.result .r-thumb img { width: 100%; height: 100%; object-fit: cover; }
.result .r-body { min-width: 0; display: grid; gap: 4px; }
.result .r-title { font-weight: 600; color: var(--primary-2); } .result .r-title.plain { color: var(--fg); }
.result .r-snip { color: var(--fg-2); font-size: 13.5px; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; }
.result .r-src { color: var(--muted); font-size: 12.5px; }
.result .r-tags { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 4px; }

/* analytics */
.kpis { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; margin-bottom: 18px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; display: grid; gap: 2px; }
.kpi small { font-size: 12px; color: var(--muted); font-weight: 600; text-transform: uppercase; letter-spacing: .05em; }
.kpi b { font-size: 26px; font-weight: 700; } .kpi span { font-size: 12.5px; color: var(--muted); }
.chart { width: 100%; height: auto; display: block; }
.chart .axis { font-size: 11px; fill: var(--muted); }
.chart .gridline { stroke: var(--line); stroke-dasharray: 3 4; }
.chart-legend { display: flex; gap: 16px; font-size: 12.5px; color: var(--fg-2); flex-wrap: wrap; }
.chart-legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; margin-right: 6px; vertical-align: middle; }

/* ── Bank pages ─────────────────────────────────────────────────────────── */
.bank-head { display: flex; justify-content: space-between; align-items: center; gap: 14px; flex-wrap: wrap; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px 12px 20px; margin-bottom: 18px; }
.bank-head h1 { font-size: 18px; font-weight: 700; }
.bank-tabs { display: flex; gap: 4px; flex-wrap: wrap; }
.bank-tabs a { padding: 8px 13px; border-radius: 10px; font-size: 13px; font-weight: 600; color: var(--fg-2); display: inline-flex; gap: 6px; align-items: center; border: 1px solid transparent; }
.bank-tabs a:hover { background: var(--card); } .bank-tabs a.on { background: var(--primary-soft); color: var(--primary-2); border-color: var(--primary); }
.form-grid { display: grid; grid-template-columns: 120px 1fr; gap: 10px 14px; align-items: center; margin-bottom: 12px; }
.form-grid > label { font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; }
.form-grid.two { grid-template-columns: 1fr 1fr; margin-top: 12px; }
.form-grid.two label, .form-grid.three label { display: block; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; margin-bottom: 6px; }
.form-grid.three { grid-template-columns: repeat(3, 1fr); align-items: end; } .span-3 { grid-column: 1 / -1; }
.sheet-row { width: 100%; display: flex; align-items: center; gap: 10px; padding: 13px 14px; margin-bottom: 10px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); text-align: left; }
.sheet-row:hover { border-color: var(--primary); }
.sheet-row span { flex: 1; font-size: 12px; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; } .sheet-row b { font-size: 14.5px; }
.found { margin: 14px 0; font-size: 15px; } .found b { color: var(--primary); }
.paste { margin-top: 14px; } .paste summary { cursor: pointer; font-weight: 600; color: var(--primary); margin-bottom: 10px; }
.paste textarea { margin-bottom: 10px; font-family: ui-monospace, Consolas, monospace; }
.danger-links { display: flex; gap: 20px; flex-wrap: wrap; margin-top: 18px; padding-top: 14px; border-top: 1px solid var(--line); }
.create .link-btn#reset-form { display: block; margin: 10px auto 0; }
.sheet { max-height: 60vh; overflow: auto; } .sheet .input { margin-bottom: 8px; }
.test-cards { display: grid; gap: 12px; }
.test-card { display: flex; justify-content: space-between; align-items: center; gap: 16px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px 16px; }
.tc-main { display: grid; gap: 3px; } .tc-main b { font-size: 16px; } .tc-main small { color: var(--fg-2); font-size: 13px; } .tc-main .score b { font-size: 14px; color: var(--primary); }
.tc-tools { display: flex; gap: 2px; align-items: center; margin-top: 6px; }
.resume { width: 78px; height: 78px; border-radius: 50%; background: linear-gradient(135deg, #22d3ee, #2dd4bf); color: #04121f !important; display: grid; place-content: center; text-align: center; font-weight: 800; font-size: 14px; flex: none; text-decoration: none !important; box-shadow: 0 0 22px rgb(45 212 191 / .35); }
.resume small { font-size: 11px; font-weight: 600; opacity: .8; } .resume.done { background: var(--card-2); color: var(--fg) !important; box-shadow: none; }
.tiles { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 12px; margin-bottom: 8px; }
.tiles.small { grid-template-columns: repeat(auto-fill, minmax(130px, 1fr)); }
.tile { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; padding: 15px; display: grid; gap: 4px; align-content: start; min-height: 100px; }
.tile b { font-size: 26px; font-weight: 600; } .tile span { font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-2); } .tile small { font-size: 11.5px; color: var(--muted); }
.tile.green b { color: var(--ok); } .tile.red b { color: var(--bad); } .tile.amber b { color: var(--amber); } .tile.cyan b { color: var(--primary); }
.signals { margin: 0; padding-left: 20px; display: grid; gap: 6px; }
.insight { background: var(--card); border-radius: 12px; padding: 12px 16px; margin-top: 12px; border-left: 4px solid var(--violet); }
.insight small { color: var(--muted); } .insight ul { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 4px; }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 18px; } .grid-2 .panel-wrap { margin: 0; }
.donut-row { display: flex; gap: 22px; align-items: center; flex-wrap: wrap; }
.legend { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; font-size: 14px; min-width: 160px; }
.legend li { display: flex; align-items: center; gap: 8px; } .legend b { margin-left: auto; } .legend i { width: 12px; height: 12px; border-radius: 4px; }
.hbars { display: grid; gap: 8px; }
.hbar-row { display: grid; grid-template-columns: minmax(90px, 38%) 1fr 48px; gap: 10px; align-items: center; font-size: 13.5px; }
.hb-label { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hb-track { height: 9px; background: var(--card-2); border-radius: 999px; overflow: hidden; }
.hb-fill { display: block; height: 100%; background: linear-gradient(90deg, #22d3ee, #2dd4bf); border-radius: inherit; }
.hb-val { text-align: right; font-variant-numeric: tabular-nums; }
.score-hero { display: grid; grid-template-columns: auto 1fr; gap: 26px; align-items: center; }
.score-donut { position: relative; display: grid; place-items: center; }
.donut-center { position: absolute; display: grid; text-align: center; } .donut-center b { font-size: 28px; } .donut-center small { color: var(--muted); font-size: 12px; }
.estimate { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; background: var(--line); border-radius: 12px; overflow: hidden; border: 1px solid var(--teal); margin: 14px 0; }
.estimate > div { background: var(--card); padding: 14px; display: grid; gap: 2px; text-align: center; }
.estimate b { font-size: 26px; color: var(--teal); } .estimate small { color: var(--muted); font-size: 12px; }
.table-wrap { overflow-x: auto; border-radius: 12px; background: var(--card); border: 1px solid var(--line); }
.table { width: 100%; border-collapse: collapse; font-size: 14px; }
.table th { text-align: left; font-size: 11.5px; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); font-weight: 700; padding: 10px 14px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 10px 14px; border-bottom: 1px solid var(--line); vertical-align: middle; }
.table tr:last-child td { border-bottom: 0; }
.table .num { text-align: right; font-variant-numeric: tabular-nums; } .table .actions { text-align: right; white-space: nowrap; }
.table tr.click { cursor: pointer; } .table tr.click:hover td { background: var(--card-2); }

/* account etc. */
.cap { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--muted); margin: 22px 4px 8px; }
.box { background: var(--panel); border-radius: var(--r); padding: 16px; border: 1px solid var(--line); }
.box.center { text-align: center; font-weight: 700; } .box.list { padding: 0; } .box p { margin: 0 0 10px; }
.plan-card { border-radius: var(--r); overflow: hidden; text-align: center; border: 1px solid var(--line); }
.plan-top { background: linear-gradient(90deg, #b45309, #d97706); color: #fff; font-weight: 700; padding: 12px; }
.plan-mid { background: var(--panel); padding: 12px; font-weight: 700; }
.plan-cta { width: 100%; border: 0; background: linear-gradient(90deg, #0d9488, #10b981); color: #fff; font-weight: 700; padding: 12px; }
.plan-card.expired .plan-top { background: #7f1d1d; }
.settings { padding: 4px 16px; }
.set-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 12px 0; border-bottom: 1px solid var(--line); }
.set-row:last-child { border-bottom: 0; } .set-label { display: grid; gap: 2px; } .set-label small { color: var(--muted); font-size: 12.5px; max-width: 460px; }
.set-row select.input { width: auto; min-width: 160px; }
.switch-input { width: 20px; height: 20px; accent-color: var(--primary); }
.swatches { display: flex; gap: 6px; align-items: center; }
.sw { width: 28px; height: 28px; border-radius: 8px; border: 2px solid transparent; font-size: 11px; font-weight: 800; color: #333; }
.sw.on { border-color: var(--fg); }
.sw-yellow { background: #fde047; } .sw-green { background: #86efac; } .sw-blue { background: #93c5fd; } .sw-red { background: #fdba74; } .sw-purple { background: #d8b4fe; } .sw-pink { background: #f9a8d4; }
.sw-off { border: 1px solid var(--line-2); background: var(--card); border-radius: 8px; padding: 5px 10px; font-weight: 700; font-size: 12px; } .sw-off.on { box-shadow: 0 0 0 2px var(--fg); }
.kv { display: flex; justify-content: space-between; padding: 6px 0; border-bottom: 1px dashed var(--line); font-size: 14px; } .kv + .row { margin-top: 12px; }
.card-list { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.card-list li { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 14px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); }
.card-list li > div:first-child { display: grid; gap: 3px; min-width: 0; } .card-list small { color: var(--muted); font-size: 12.5px; }
.reply { margin: 6px 0 0; padding: 8px 10px; background: var(--primary-soft); border-radius: 8px; font-size: 13.5px; }
.hl-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(300px, 1fr)); gap: 12px; }
.hl-card { background: var(--card); border: 1px solid var(--line); border-radius: 12px; padding: 14px; display: grid; gap: 10px; cursor: pointer; }
.hl-card p { margin: 0; font-family: var(--font-q); line-height: 1.6; } .hl-card footer { display: flex; gap: 8px; align-items: center; font-size: 12.5px; color: var(--fg-2); flex-wrap: wrap; }
.hl-card footer .muted-t { margin-left: auto; } .note-text { white-space: pre-wrap; }
.flash { display: grid; gap: 18px; width: 100%; min-height: 260px; padding: 32px; border-radius: var(--r); border: 1px solid var(--line); background: var(--card); text-align: left; align-content: center; margin: 12px 0; color: var(--fg); }
.flash .face small { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.flash .face p { font-size: calc(19px * var(--font-scale)); margin: 6px 0 0; white-space: pre-wrap; } .flash .back { padding-top: 16px; border-top: 1px dashed var(--line-2); }
.grade-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; } .grade-row .btn { display: grid; padding: 12px; } .grade-row small { font-weight: 400; color: var(--muted); }
.grade-bad { color: var(--bad); } .grade-warn { color: var(--warn); } .grade-ok { color: var(--ok); } .grade-primary { color: var(--primary); }
.book-grid { display: grid; grid-template-columns: 280px 1fr; gap: 18px; align-items: start; } .book-toc { position: sticky; top: 76px; }
.doc-title { font-size: 22px; margin-bottom: 14px; }
.doc-body { font-family: var(--font-q); font-size: calc(16.5px * var(--q-zoom)); line-height: var(--lh); }
.doc-body table { border-collapse: collapse; margin: 12px 0; } .doc-body td, .doc-body th { border: 1px solid var(--line-2); padding: 6px 12px; text-align: left; }
.doc-video { width: 100%; border-radius: 12px; background: #000; }
.doc-nav { display: flex; justify-content: space-between; gap: 10px; margin-top: 22px; flex-wrap: wrap; }

/* ── Modal / toast / tools ──────────────────────────────────────────────── */
.modal-wrap { position: fixed; inset: 0; z-index: 100; background: rgb(2 6 23 / .6); backdrop-filter: blur(3px); display: grid; place-items: center; padding: 16px; animation: fade .15s; }
.modal-wrap.out { opacity: 0; transition: opacity .15s; } @keyframes fade { from { opacity: 0; } }
.modal { width: min(560px, 100%); max-height: calc(100vh - 32px); display: flex; flex-direction: column; background: var(--panel); color: var(--fg); border: 1px solid var(--line-2); border-radius: 16px; box-shadow: var(--shadow-lg); animation: pop .18s var(--ease); }
.modal-wide { width: min(980px, 100%); } @keyframes pop { from { transform: translateY(8px) scale(.98); opacity: 0; } }
.modal-head { display: flex; justify-content: space-between; align-items: center; padding: 16px 18px 10px; } .modal-head h2 { font-size: 17px; }
.modal-body { padding: 6px 18px 18px; overflow: auto; } .modal-body p { margin: 0 0 10px; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; padding: 12px 18px 16px; border-top: 1px solid var(--line); }
.toasts { position: fixed; z-index: 200; bottom: 22px; left: 50%; transform: translateX(-50%); display: grid; gap: 8px; width: min(440px, calc(100vw - 32px)); pointer-events: none; }
.toast { display: flex; gap: 10px; align-items: center; padding: 11px 14px; border-radius: 12px; background: #13223a; border: 1px solid #2a4268; color: #e7eef8; font-size: 14px; box-shadow: var(--shadow-lg); animation: pop .2s var(--ease); }
.toast-error { border-color: #f87171; } .toast-success { border-color: #34d399; } .toast.out { opacity: 0; transform: translateY(6px); transition: .3s; }
.labs-tools { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; margin-bottom: 12px; }
.labs-tools .search { flex: 1; display: flex; align-items: center; gap: 8px; padding: 0 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); }
.labs-tools .search input { border: 0; outline: none; background: transparent; padding: 10px 0; width: 100%; }
.labs-table { margin-bottom: 18px; border: 1px solid var(--line); border-radius: 12px; background: var(--card); overflow: hidden; }
.labs-table caption { text-align: left; font-weight: 700; padding: 0 0 8px; } .labs-modal .modal-body { min-height: 60vh; }
.switch { display: inline-flex; gap: 8px; align-items: center; font-size: 13px; font-weight: 600; }
.zoom-modal .modal-body { padding: 0; } .zoom-tools { display: flex; gap: 6px; padding: 10px 14px; }
.zoom-stage { overflow: hidden; height: min(72vh, 760px); display: grid; place-items: center; background: #000; cursor: grab; touch-action: none; }
.zoom-stage img { max-height: 100%; transform-origin: center; user-select: none; -webkit-user-drag: none; }
.float-panel { position: fixed; z-index: 90; right: 24px; top: 80px; width: 248px; background: var(--panel); border: 1px solid var(--line-2); border-radius: 14px; box-shadow: var(--shadow-lg); overflow: hidden; }
.float-head { display: flex; justify-content: space-between; align-items: center; padding: 6px 6px 6px 14px; background: var(--card-2); cursor: move; user-select: none; touch-action: none; }
.calc-screen { padding: 10px 14px; text-align: right; background: var(--bg-2); display: grid; } .calc-expr { color: var(--muted); min-height: 18px; font-size: 12px; }
.calc-out { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; overflow: hidden; text-overflow: ellipsis; }
.calc-keys { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; background: var(--line); }
.calc-keys button { border: 0; padding: 12px 0; background: var(--card); font-weight: 600; } .calc-keys .op { color: var(--primary); } .calc-keys .fn { color: var(--muted); font-size: 13px; }
.calc-keys [data-k="="] { background: var(--primary); color: var(--on-primary); }
mark.hl { color: inherit; border-radius: 3px; padding: 0 1px; }
mark.hl-yellow { background: rgb(202 160 20 / .5); } mark.hl-green { background: rgb(34 197 94 / .35); } mark.hl-blue { background: rgb(59 130 246 / .42); }
mark.hl-red { background: rgb(234 115 22 / .5); } mark.hl-purple { background: rgb(168 85 247 / .4); } mark.hl-pink { background: rgb(236 72 153 / .35); }
[data-theme="light"] mark.hl-yellow { background: #fde68a; } [data-theme="light"] mark.hl-green { background: #bbf7d0; } [data-theme="light"] mark.hl-blue { background: #bfdbfe; } [data-theme="light"] mark.hl-red { background: #fed7aa; } [data-theme="light"] mark.hl-purple { background: #e9d5ff; }
mark.find { background: #f97316; color: #fff; border-radius: 2px; }
.hl-palette { position: fixed; z-index: 120; display: flex; gap: 6px; padding: 6px; border-radius: 12px; background: #0b1424; border: 1px solid #2a4268; box-shadow: var(--shadow-lg); }
.hl-palette button { width: 28px; height: 28px; border-radius: 50%; border: 2px solid rgb(255 255 255 / .25); } .sw-erase { background: transparent; color: #fff; display: grid; place-items: center; }

/* ── Exam runner (TopMD) ──────────────────────────────────────────────── */
.bare-outlet { min-height: 100vh; }
.runner-loading { min-height: 100vh; display: grid; place-content: center; justify-items: center; color: var(--muted); gap: 6px; }
.mr { position: relative; height: 100vh; height: 100dvh; display: grid; grid-template-rows: auto auto 1fr auto; background: var(--bg); }
.mr-top { display: flex; align-items: center; gap: 14px; padding: 10px 18px; background: var(--panel); border-bottom: 1px solid var(--line); min-width: 0; }
.mr-brand { display: flex; flex: none; }
.mr-crumbs { display: flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13.5px; min-width: 0; overflow: hidden; white-space: nowrap; }
.mr-crumbs b { color: var(--fg); overflow: hidden; text-overflow: ellipsis; } .mr-crumbs span { flex: none; }
.mr-mode { margin-left: auto; flex: none; font-size: 12.5px; font-weight: 700; padding: 5px 12px; border-radius: 999px; border: 1px solid var(--line-2); color: var(--fg-2); background: var(--card); }
.mr-mode.on { color: var(--teal); border-color: rgb(45 212 191 / .55); background: var(--teal-soft); }
.mr-timer { display: flex; align-items: center; gap: 8px; flex: none; font-variant-numeric: tabular-nums; padding: 5px 6px 5px 12px; border-radius: 999px; background: var(--card); border: 1px solid var(--line); }
.mr-timer:empty { display: none; } .mr-timer b { font-size: 15px; }
.mr-timer.low { color: var(--bad); border-color: var(--bad); }
.mr-pause { width: 26px; height: 26px; border-radius: 50%; border: 0; background: var(--card-2); display: grid; place-items: center; color: var(--fg); }
.mr-count { flex: none; font-weight: 700; font-size: 14px; }
.mr-icon { width: 36px; height: 36px; flex: none; border-radius: 10px; border: 1px solid var(--line); background: var(--card); display: grid; place-items: center; color: var(--fg-2); }
.mr-icon.on { color: var(--amber); border-color: var(--amber); background: var(--warn-soft); }
.mr .avatar { cursor: pointer; }
.mr-tools { display: flex; align-items: center; gap: 6px; padding: 8px 18px; background: var(--bg-2); border-bottom: 1px solid var(--line); overflow-x: auto; scrollbar-width: none; }
.mr-tools::-webkit-scrollbar { display: none; }
.tool { display: inline-flex; align-items: center; gap: 7px; flex: none; padding: 7px 12px; border-radius: 9px; border: 1px solid transparent; background: transparent; color: var(--fg-2); font-weight: 600; font-size: 13.5px; }
.tool:hover { background: var(--card); border-color: var(--line); color: var(--fg); }
.tool.on { background: var(--primary-soft); border-color: var(--primary); color: var(--primary-2); }
#t-mark.on { background: var(--warn-soft); border-color: var(--amber); color: var(--amber); } #t-fav.on { color: var(--amber); }
.tool.icon { padding: 7px 9px; } .tool-sp { flex: 1; }
.tool-group { display: inline-flex; align-items: center; gap: 4px; flex: none; }
.hl-dots { display: inline-flex; align-items: center; gap: 5px; padding: 0 4px; }
.hl-dots .sw { width: 18px; height: 18px; border-radius: 50%; border: 2px solid transparent; padding: 0; }
.hl-dots .sw.on { box-shadow: 0 0 0 2px var(--fg); }
.hl-dots .sw-tool { width: 26px; height: 26px; display: grid; place-items: center; border: 0; background: transparent; color: var(--muted); border-radius: 6px; }
.hl-dots .sw-tool.on { color: var(--fg); background: var(--card-2); }
.mr-body { display: grid; grid-template-columns: minmax(0, 1fr); min-height: 0; }
.mr.labs-open .mr-body { grid-template-columns: minmax(0, 1fr) 360px; }
.mr-main { overflow: auto; padding: 22px 26px 40px; outline: none; }
.mr-labs { display: none; border-left: 1px solid var(--line); background: var(--panel); overflow: auto; min-height: 0; }
.mr.labs-open .mr-labs { display: block; }
.mr-labs header { position: sticky; top: 0; z-index: 1; display: flex; align-items: center; gap: 8px; padding: 12px 14px; background: var(--panel); border-bottom: 1px solid var(--line); }
.mr-labs header .icon-btn { margin-left: auto; } .mr-labs #labs-host { padding: 12px 14px; }
.labs-tools { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-bottom: 10px; }
.labs-tools .search { flex: 1; min-width: 160px; display: flex; align-items: center; gap: 8px; padding: 8px 12px; border: 1px solid var(--line-2); border-radius: 10px; background: var(--bg-2); }
.labs-tools .search input { border: 0; background: transparent; outline: none; width: 100%; }
.mr-labs .chips { margin: 6px 0 12px; } .mr-labs .chip { font-size: 12px; padding: 4px 10px; } .mr-labs .labs-table { font-size: 13px; }
.mr-q { max-width: 1180px; margin: 0 auto; font-size: calc(15.5px * var(--q-zoom)); line-height: var(--lh); font-family: var(--font-q); }
.q-loading { display: grid; place-items: center; min-height: 40vh; color: var(--muted); }
.q-card { display: grid; grid-template-columns: minmax(0, 1fr); gap: 26px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 24px 26px; }
.q-card.has-fig { grid-template-columns: minmax(0, 1fr) minmax(260px, 38%); }
.q-meta { margin: 0 0 10px; font: 600 12.5px var(--font); color: var(--muted); }
.stem p { margin: 0 0 12px; } .stem table { border-collapse: collapse; margin: 10px 0 14px; font-size: .93em; }
.stem td, .stem th { border: 1px solid var(--line-2); padding: 5px 10px; text-align: left; } .stem th { background: var(--card-2); }
.stem img, .expl-body img { border-radius: 10px; cursor: zoom-in; max-height: 420px; }
.q-fig { margin: 0; display: grid; gap: 8px; align-content: start; }
.q-fig figcaption { color: var(--muted); font: 12.5px var(--font); display: flex; align-items: center; gap: 6px; }
.fig-btn { position: relative; padding: 0; border: 1px solid var(--line); border-radius: 12px; overflow: hidden; background: #000; display: block; width: 100%; }
.fig-btn img { display: block; width: 100%; max-height: 420px; object-fit: contain; }
.fig-zoom { position: absolute; right: 10px; bottom: 10px; display: inline-flex; gap: 6px; align-items: center; font: 600 12px var(--font); color: #fff; background: rgb(0 0 0 / .6); padding: 5px 10px; border-radius: 999px; }
.select-n { display: flex; gap: 6px; align-items: center; }
.mcs { list-style: none; padding: 0; margin: 16px 0 0; display: grid; gap: 8px; }
.mc { position: relative; display: flex; align-items: stretch; border: 1px solid var(--line-2); border-radius: 12px; background: var(--card); overflow: hidden; transition: border-color .15s, background .15s; }
.mc:hover { border-color: var(--primary); }
.mc-main { flex: 1; display: flex; align-items: flex-start; gap: 12px; padding: 12px 14px; border: 0; background: transparent; text-align: left; font: inherit; line-height: 1.5; position: relative; z-index: 1; }
.mc-main:disabled { cursor: default; color: inherit; }
.mc-dot { width: 20px; height: 20px; margin-top: 2px; border-radius: 50%; border: 2px solid var(--line-2); flex: none; display: grid; place-items: center; }
.mc-dot.sq { border-radius: 5px; }
.mc-l { font-weight: 700; flex: none; min-width: 1.4em; } .ctext { flex: 1; min-width: 0; } .ctext p { margin: 0; }
.mc-peer { font: 700 12.5px var(--font); color: var(--muted); align-self: center; }
.mc.sel { border-color: var(--primary); background: var(--primary-soft); box-shadow: var(--glow); }
.mc.sel .mc-dot { border-color: var(--primary); background: var(--primary); box-shadow: inset 0 0 0 3px var(--card); }
.mc.struck .ctext, .mc.struck .mc-l { text-decoration: line-through; opacity: .45; }
.mc.right { border-color: var(--ok); background: var(--ok-soft); } .mc.right .mc-dot { border-color: var(--ok); background: var(--ok); color: #04211c; box-shadow: none; }
.mc.wrong { border-color: var(--bad); background: var(--bad-soft); } .mc.wrong .mc-dot { border-color: var(--bad); background: var(--bad); color: #fff; box-shadow: none; }
.strike-btn { flex: none; width: 42px; border: 0; border-left: 1px solid var(--line); background: transparent; color: var(--muted); opacity: 0; transition: opacity .15s; position: relative; z-index: 1; }
.mc:hover .strike-btn, .mc.struck .strike-btn, .strike-mode .strike-btn { opacity: 1; } .mc.struck .strike-btn { color: var(--fg); }
.strike-mode .mc-main { cursor: crosshair; }
.saved-hint, .case-hint { display: flex; align-items: center; gap: 6px; font-family: var(--font); }
.result-box { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin: 18px 0 0; padding: 14px 18px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--card); font-family: var(--font); }
.result-box .rb-main { display: grid; } .result-box .rb-main b { font-size: 17px; } .result-box .rb-main span { color: var(--muted); font-size: 13px; }
.result-box .rb-meta { display: flex; gap: 14px; flex-wrap: wrap; color: var(--fg-2); font-size: 13px; } .result-box .rb-meta span { display: inline-flex; gap: 5px; align-items: center; }
.result-box.correct { border-color: var(--ok); background: var(--ok-soft); } .result-box.correct b { color: var(--ok); }
.result-box.incorrect { border-color: var(--bad); background: var(--bad-soft); } .result-box.incorrect b { color: var(--bad); }
.result-box.omitted b { color: var(--warn); }
.explanation { margin-top: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 22px 26px; }
.expl-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; } .expl-head h2 { font: 700 19px var(--font); }
.expl-title { font-weight: 700; margin: 0 0 10px; }
.expl-body p { margin: 0 0 12px; }
.why-title { font: 700 15px var(--font); margin: 18px 0 8px; display: flex; gap: 8px; align-items: center; }
.why-list { padding-left: 18px; display: grid; gap: 8px; } .why-list li.right b { color: var(--ok); }
.objective { display: flex; gap: 12px; margin-top: 16px; padding: 14px 16px; border-radius: 12px; background: var(--primary-soft); border: 1px solid rgb(56 189 248 / .35); font-family: var(--font); }
.objective b { color: var(--primary-2); } .objective p { margin: 4px 0 0; }
.note-box { display: flex; gap: 10px; margin-top: 12px; padding: 12px 14px; border-radius: 12px; background: var(--warn-soft); font-family: var(--font); } .note-box p { margin: 0; white-space: pre-wrap; }
.findings { display: flex; gap: 10px; padding: 14px 16px; border-radius: 12px; background: var(--teal-soft); border: 1px solid rgb(45 212 191 / .35); margin-bottom: 14px; } .findings p { margin: 0; }
.related-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 10px; font-family: var(--font); }
.related-v { display: flex; gap: 10px; align-items: center; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line); background: var(--card); color: var(--fg); }
.related-v:hover { border-color: var(--primary); } .related-v .row-main { display: grid; } .related-v small { color: var(--muted); }
.rv-play { width: 34px; height: 34px; border-radius: 50%; background: var(--primary); color: #04121f; display: grid; place-items: center; flex: none; }
.mr-foot { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 18px; background: var(--panel); border-top: 1px solid var(--line); flex-wrap: wrap; }
.submit-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; margin-top: 14px; }
.rn-pause { position: absolute; inset: 0; z-index: 50; display: grid; place-items: center; background: rgb(5 10 20 / .82); backdrop-filter: blur(6px); }
.pause-card { max-width: 440px; text-align: center; background: var(--panel); border: 1px solid var(--line-2); border-radius: 18px; padding: 30px 28px; display: grid; justify-items: center; gap: 8px; box-shadow: var(--shadow-lg); }
.pause-card p { color: var(--fg-2); margin: 0 0 10px; } .pause-card .row { justify-content: center; }
.map-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(46px, 1fr)); gap: 8px; margin-bottom: 12px; }
.qn { height: 40px; border-radius: 9px; border: 1px solid var(--line-2); background: var(--card); font-weight: 700; position: relative; }
.qn.ans { background: var(--primary-soft); border-color: var(--primary); } .qn.cur { box-shadow: 0 0 0 2px var(--fg); }
.qn.flag::after { content: ""; position: absolute; top: 4px; right: 4px; width: 7px; height: 7px; border-radius: 50%; background: var(--amber); }
.qn.st-correct { background: var(--ok-soft); border-color: var(--ok); } .qn.st-incorrect { background: var(--bad-soft); border-color: var(--bad); }
.qn.locked { opacity: .35; cursor: not-allowed; }
.zoom-view { display: grid; gap: 10px; } .zoom-tools { display: flex; gap: 6px; justify-content: center; }

/* ── Case workspace (TDM / OSCE) ────────────────────────────────────────── */
.cw { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 18px; align-items: start; font-family: var(--font); }
.cw-left, .cw-right { display: grid; gap: 14px; min-width: 0; }
.cw-card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px 18px; }
.cw-card > p:last-child { margin-bottom: 0; }
.cw-head { display: flex; align-items: center; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; } .cw-head .hint { margin: 0 0 0 auto; }
.cw .stem { font-family: var(--font-q); font-size: calc(15px * var(--q-zoom)); line-height: var(--lh); }
.cw-tabs { display: flex; width: 100%; } .cw-tabs button { flex: 1; display: inline-flex; gap: 6px; align-items: center; justify-content: center; }
.steps { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.step { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; display: grid; gap: 10px; }
.step.ok { border-color: var(--ok); } .step.part { border-color: var(--amber); } .step.bad { border-color: var(--bad); }
.step-head { display: flex; gap: 10px; align-items: flex-start; } .step-head b { flex: 1; } .step-head .hint { margin: 2px 0 0; white-space: nowrap; }
.step-n { width: 26px; height: 26px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-2); display: grid; place-items: center; font-weight: 800; font-size: 13px; flex: none; }
.step-opts { display: grid; gap: 6px; }
.step-opt { display: flex; gap: 10px; align-items: flex-start; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--card); cursor: pointer; }
.step-opt input { margin-top: 3px; accent-color: var(--primary); }
.step-opt.right { border-color: var(--ok); background: var(--ok-soft); } .step-opt.wrong { border-color: var(--bad); background: var(--bad-soft); }
.step-fb { padding: 10px 12px; border-radius: 10px; background: var(--card-2); font-size: 13.5px; } .step-fb p { margin: 0 0 6px; } .step-fb p:last-child { margin: 0; }
.cw-ai .ai-log { max-height: 340px; min-height: 120px; overflow: auto; display: grid; gap: 8px; align-content: start; padding: 4px 2px 10px; }
.cw-ai.off .ai-log, .cw-ai.off .chat-form { opacity: .4; pointer-events: none; }
.chat-form { display: flex; gap: 6px; align-items: center; }
.msg { display: grid; gap: 2px; max-width: 88%; padding: 9px 12px; border-radius: 12px; background: var(--card); border: 1px solid var(--line); font-size: 13.5px; justify-self: start; }
.msg b { font-size: 12px; color: var(--muted); display: flex; gap: 5px; align-items: center; }
.msg.mine { justify-self: end; background: var(--primary-soft); border-color: rgb(56 189 248 / .4); }
.msg.bot { border-color: rgb(45 212 191 / .4); } .msg.bot b { color: var(--teal); }
.msg.sys { justify-self: center; background: transparent; border: 0; color: var(--muted); font-size: 12px; padding: 2px; }
.msg.typing span { animation: pulse .8s infinite alternate; }
.osce-clock { display: flex; align-items: center; justify-content: space-between; gap: 12px; flex-wrap: wrap; padding: 14px 18px; border-radius: var(--r); border: 1px solid var(--line-2); background: var(--panel); }
.osce-clock small { display: block; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); }
.osce-clock b { font-size: 32px; font-variant-numeric: tabular-nums; }
.osce-clock.reading { border-color: var(--primary); } .osce-clock.station { border-color: var(--teal); } .osce-clock.low b { color: var(--bad); }
.checklist { list-style: none; margin: 0 0 6px; padding: 0; }
.checklist .check-row.ok span { color: var(--ok); } .checklist .check-row.miss span { color: var(--bad); }

/* ── Reference topics ───────────────────────────────────────────────────── */
.ref-page { max-width: 980px; margin: 0 auto; }
.ref-summary { font-size: 15.5px; color: var(--fg-2); }
.ref-h { display: flex; align-items: center; gap: 7px; font-size: 13px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 18px 0 10px; }
.pathway { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; flex-wrap: wrap; }
.pathway li { flex: 1; min-width: 150px; }
.pw-step { width: 100%; display: flex; align-items: center; gap: 10px; padding: 10px 12px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--card); text-align: left; font-weight: 600; }
.pw-step.on { border-color: var(--teal); background: var(--teal-soft); color: var(--fg); }
.pw-n { width: 24px; height: 24px; border-radius: 50%; display: grid; place-items: center; background: var(--card-2); font-size: 12px; font-weight: 800; flex: none; }
.pw-step.on .pw-n { background: var(--teal); color: #04211c; }
.pw-body { margin-top: 10px; padding: 12px 14px; border-radius: 12px; background: var(--card-2); }
.ref-sec { border: 1px solid var(--line); border-radius: 12px; margin-top: 10px; background: var(--card); }
.ref-sec > summary { list-style: none; display: flex; justify-content: space-between; align-items: center; gap: 8px; padding: 12px 14px; font-weight: 700; cursor: pointer; }
.ref-sec > summary::-webkit-details-marker { display: none; }
.ref-sec[open] > summary > .ic:last-child { transform: rotate(180deg); }
.ref-sec > ul, .ref-sec > ol, .ref-sec > p, .ref-sec > div { margin: 0; padding: 0 14px 14px 32px; }
.ref-sec > p { padding-left: 14px; }
.ref-sec.cites ol { font-size: 13px; color: var(--fg-2); display: grid; gap: 6px; }

/* ── Study rooms ────────────────────────────────────────────────────────── */
.room-page { max-width: 1400px; margin: 0 auto; padding: 16px 18px 30px; }
.room-top { display: flex; align-items: center; gap: 12px; padding: 12px 16px; margin-bottom: 16px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); flex-wrap: wrap; }
.room-top .row-main { display: grid; margin-right: auto; } .room-top small { color: var(--muted); }
.room-grid { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 16px; align-items: start; }
.room-side { display: grid; gap: 16px; }
.room-q .q-stem { font-family: var(--font-q); font-size: calc(15px * var(--q-zoom)); line-height: var(--lh); } .room-q .q-stem p { margin: 0 0 10px; }
.room-choices { display: grid; gap: 8px; }
.room-choice { display: flex; gap: 10px; align-items: flex-start; padding: 11px 14px; border-radius: 12px; border: 1px solid var(--line-2); background: var(--card); text-align: left; }
.room-choice.on { border-color: var(--primary); background: var(--primary-soft); }
.room-choice.correct { border-color: var(--ok); background: var(--ok-soft); } .room-choice.wrong { border-color: var(--bad); background: var(--bad-soft); }
.room-choice:disabled { cursor: default; color: inherit; } .room-choice p { margin: 0; }
.rc-l { font-weight: 800; } .room-choice .peer { margin-left: auto; font-weight: 700; color: var(--muted); }
.notice.ok { background: var(--ok-soft); border-color: var(--ok); } .notice.bad { background: var(--bad-soft); border-color: var(--bad); }
.member { display: flex; gap: 10px; align-items: center; padding: 7px 0; border-bottom: 1px solid var(--line); } .member:last-child { border: 0; }
.member .row-main { display: grid; } .member small { color: var(--muted); font-size: 12px; }
.avatar.sm { width: 30px; height: 30px; font-size: 11px; }
.room-chat .chat-log { height: 300px; overflow: auto; display: grid; gap: 8px; align-content: start; padding: 4px 2px 10px; }

/* ── Estimate (fixed forms) ─────────────────────────────────────────────── */
.estimate.panel-wrap { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.estimate .est-main { display: grid; gap: 2px; } .estimate .est-main small { font-size: 12px; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); font-weight: 700; }
.estimate .est-main b { font-size: 30px; } .estimate .est-main span { color: var(--muted); font-size: 12.5px; } .estimate > p { grid-column: 1 / -1; margin: 0; }

/* ── Upload questions ───────────────────────────────────────────────────── */
.up-new { display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); gap: 10px; }
.dropzone { display: grid; justify-items: center; gap: 6px; padding: 30px 16px; border: 2px dashed var(--line-2); border-radius: var(--r); background: var(--bg-2); cursor: pointer; text-align: center; color: var(--fg-2); }
.dropzone:hover, .dropzone.over { border-color: var(--primary); background: var(--primary-soft); }
.dropzone small { color: var(--muted); }
.up-report { margin-top: 18px; }
.up-progress { margin-top: 12px; display: grid; gap: 6px; max-width: 520px; } .up-progress small { color: var(--muted); }
.up-cards { display: grid; gap: 10px; }
.up-card { border: 1px solid var(--line); border-radius: 12px; background: var(--card); padding: 12px 14px; }
.up-card header { display: flex; gap: 10px; align-items: center; margin-bottom: 6px; flex-wrap: wrap; }
.up-card p { margin: 0 0 6px; } .up-card ol { margin: 0 0 6px; padding-left: 22px; color: var(--fg-2); }
.video-upload-queue { display: grid; gap: 12px; }
.video-upload-item { display: grid; gap: 10px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--bg-2); }
.video-upload-item-head { display: flex; justify-content: space-between; gap: 12px; align-items: center; flex-wrap: wrap; }
.video-upload-item-head b { overflow-wrap: anywhere; }
.video-upload-item-head span { color: var(--muted); font-size: 12px; }
.video-upload-item .filter-selects { margin: 0; }
.video-upload-item a { justify-self: start; }
.up-ans { color: var(--ok); display: flex; gap: 6px; align-items: center; }
.up-list { margin: 6px 0 0; padding-left: 18px; display: grid; gap: 4px; font-size: 13px; color: var(--fg-2); }
@media (max-width: 720px) { .up-new { grid-template-columns: 1fr; } }

/* ── Answer widgets for uploaded types ──────────────────────────────────── */
.iq { margin-top: 14px; font-family: var(--font); }
.tfm, .match { width: 100%; border-collapse: separate; border-spacing: 0 6px; }
.tfm th { font-size: 12px; color: var(--muted); font-weight: 700; text-align: center; padding: 0 6px; } .tfm th:first-child { text-align: left; }
.tfm td, .match td { background: var(--card); padding: 10px 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); vertical-align: middle; }
.tfm td:first-child, .match td:first-child { border-left: 1px solid var(--line); border-radius: 10px 0 0 10px; }
.tfm td:last-child, .match td:last-child { border-right: 1px solid var(--line); border-radius: 0 10px 10px 0; }
.tfm td:not(:first-child) { width: 60px; text-align: center; }
.tfm tr.ok td, .match tr.ok td, .ord li.ok { border-color: var(--ok); background: var(--ok-soft); }
.tfm tr.bad td, .match tr.bad td, .ord li.bad { border-color: var(--bad); background: var(--bad-soft); }
.tf { width: 40px; height: 34px; border-radius: 8px; border: 1px solid var(--line-2); background: var(--bg-2); font-weight: 800; color: var(--fg-2); }
.tf.on { background: var(--primary); border-color: var(--primary); color: var(--on-primary); } .tf:disabled { cursor: default; }
.tf-key { font-weight: 700; color: var(--fg-2); }
.blank-in { display: inline-block; min-width: 90px; margin: 0 3px; padding: 2px 8px; border: 0; border-bottom: 2px solid var(--primary); border-radius: 4px 4px 0 0;
  background: var(--primary-soft); color: var(--fg); font: inherit; }
.blank-in:focus { outline: none; background: var(--card-2); } .blank-in.ok { border-color: var(--ok); background: var(--ok-soft); } .blank-in.bad { border-color: var(--bad); background: var(--bad-soft); }
select.blank-in { padding-right: 4px; }
.fb-key { display: grid; gap: 6px; padding-left: 20px; } .fb-key li.ok { color: var(--ok); } .fb-key li.bad { color: var(--bad); }
.num-row { display: flex; gap: 10px; align-items: center; } .num-in { max-width: 200px; font-size: 16px; } .num-unit { font-weight: 700; color: var(--fg-2); }
.ord { list-style: none; margin: 0; padding: 0; display: grid; gap: 6px; }
.ord li { display: flex; align-items: center; gap: 10px; padding: 8px 10px; border-radius: 10px; border: 1px solid var(--line-2); background: var(--card); }
.ord-n { width: 26px; height: 26px; border-radius: 50%; background: var(--primary-soft); color: var(--primary-2); display: grid; place-items: center; font-weight: 800; font-size: 13px; flex: none; }
.match select { min-width: 200px; } .match td:nth-child(2) { width: 30px; color: var(--muted); }

/* ── Tables rebuilt from uploaded PDFs: the book's own colours ─────────── */
.q-table-wrap { overflow-x: auto; margin: 12px 0 16px; border: 1px solid #c9d5e3; border-radius: 4px; background: #fff; }
.q-table { width: 100%; border-collapse: collapse; font-family: "Liberation Sans", Arial, Helvetica, sans-serif; font-size: calc(13.5px * var(--q-zoom));
  line-height: 1.4; background: #fff; color: #1d2733; }
.q-table th, .q-table td { padding: 7px 10px; border: 1px solid #c9d5e3; text-align: left; vertical-align: top; }
.q-table thead th { background: #fafbfd; color: #1d2733; font-weight: 700; }
.q-table thead tr:not(.q-table-title) th:first-child { color: #12355b; }
.q-table .q-table-title th { background: #12355b; color: #fff; text-align: center; font-weight: 700; border-color: #12355b; }
.q-table.labelled tbody td:first-child { background: #f1f5fa; color: #12355b; font-weight: 700; }
.q-table.plain td { border-color: #dde4ee; }
.q-table tfoot td { font-size: .88em; color: #5a6675; background: #fff; font-weight: 400; }
.stem .q-table, .expl-body .q-table { margin: 0; } .stem .q-table th, .stem .q-table td { border-color: #c9d5e3; }
.q-table b { color: inherit; } .q-table sup { font-size: .72em; }

/* ── Book style: the look of the printed question bank ─────────────────── */
.mr.book .mr-main { background: #eef1f5; }
.mr.book .q-card, .mr.book .explanation, .mr.book .result-box { background: #fff; border-color: #dde4ee; color: #1d2733; box-shadow: 0 1px 3px rgb(18 53 91 / .08); }
.mr.book .mr-q { font-family: "Liberation Sans", Arial, Helvetica, sans-serif; color: #1d2733; }
.mr.book .book-sec { display: block; background: #c0392b; color: #fff; font-weight: 700; font-size: 1.05em; padding: 7px 12px; border-radius: 3px; margin: 0 0 12px; }
.mr.book .q-meta { display: block; background: #12355b; color: #fff; font-weight: 700; padding: 6px 12px; border-radius: 3px 3px 0 0; margin: 0 0 12px; font-family: inherit; }
.mr.book .q-meta span { color: #c9d5e3; font-weight: 500; }
.mr.book .mc { background: #fff; border: 1px solid #dde4ee; border-radius: 3px; }
.mr.book .mc:hover { border-color: #12355b; }
.mr.book .mc-l { color: #12355b; } .mr.book .mc-dot { border-color: #b9c6d6; }
.mr.book .mc.sel { background: #f1f5fa; border-color: #12355b; box-shadow: none; } .mr.book .mc.sel .mc-dot { background: #12355b; border-color: #12355b; box-shadow: inset 0 0 0 3px #fff; }
.mr.book .mc.right { background: #eaf6ef; border-color: #2e8b57; } .mr.book .mc.right .mc-l { color: #1f7a45; } .mr.book .mc.right .mc-dot { background: #2e8b57; border-color: #2e8b57; color: #fff; }
.mr.book .mc.right .ctext::after { content: "✔ Correct"; float: right; margin-left: 10px; font-weight: 700; font-size: .85em; color: #1f7a45; }
.mr.book .mc.wrong { background: #fdeeee; border-color: #c0392b; } .mr.book .mc.wrong .mc-dot { background: #c0392b; border-color: #c0392b; color: #fff; }
.mr.book .mc-peer { color: #5a6675; }
.mr.book .strike-btn { border-left-color: #dde4ee; color: #5a6675; }
.mr.book .explanation { background: #f7f9fc; border-left: 3px solid #c0392b; border-radius: 0 6px 6px 0; }
.mr.book .expl-head h2, .mr.book .why-title { color: #c0392b; text-transform: uppercase; letter-spacing: .02em; font-size: 1em; }
.mr.book .expl-body, .mr.book .stem { color: #1d2733; } .mr.book .expl-body b, .mr.book .stem b { color: #12355b; }
.mr.book .objective { background: #eef3f9; border-color: #c9d5e3; } .mr.book .objective b { color: #12355b; }
.mr.book .result-box.correct { background: #eaf6ef; border-color: #2e8b57; } .mr.book .result-box.correct b { color: #1f7a45; }
.mr.book .result-box.incorrect { background: #fdeeee; border-color: #c0392b; } .mr.book .result-box.incorrect b { color: #c0392b; }
.mr.book .result-box .rb-main span, .mr.book .result-box .rb-meta { color: #5a6675; }
.mr.book .hint, .mr.book .expl-title { color: #5a6675; }
.mr.book .tfm td, .mr.book .match td, .mr.book .ord li { background: #fff; border-color: #dde4ee; color: #1d2733; }
.mr.book .blank-in { background: #f1f5fa; color: #1d2733; border-bottom-color: #12355b; }
.mr.book .related-v { background: #fff; border-color: #dde4ee; color: #1d2733; }
.mr.book .btn.sm { background: #fff; color: #12355b; border-color: #c9d5e3; }
.book-sec { display: none; }

/* ── Clinical Library reader ────────────────────────────────────────────── */
.doc-onpage { display: flex; flex-wrap: wrap; gap: 6px 14px; align-items: baseline; padding: 10px 12px; margin: 0 0 14px; border-radius: 10px; background: var(--card); border: 1px solid var(--line); font-size: 13px; }
.doc-onpage b { color: var(--muted); font-size: 11.5px; text-transform: uppercase; letter-spacing: .06em; margin-right: 4px; }
.doc-body table { border-collapse: collapse; width: 100%; margin: 12px 0; font-size: .95em; }
.doc-body th, .doc-body td { border: 1px solid var(--line-2); padding: 6px 10px; text-align: left; vertical-align: top; }
.doc-body th { background: var(--card-2); }
.doc-body img { max-width: 100%; height: auto; border-radius: 8px; }
.doc-body h2, .doc-body h3 { scroll-margin-top: 80px; margin: 20px 0 8px; }
.doc-body blockquote { margin: 10px 0; padding: 8px 14px; border-left: 3px solid var(--primary); background: var(--card); }
.doc-body pre { white-space: pre-wrap; background: var(--card); padding: 10px; border-radius: 8px; }

@media (max-width: 1100px) {
  .q-card.has-fig { grid-template-columns: 1fr; } .mr.labs-open .mr-body { grid-template-columns: minmax(0, 1fr); }
  .mr.labs-open .mr-labs { position: fixed; right: 0; top: 0; bottom: 0; width: min(380px, 92vw); z-index: 40; box-shadow: var(--shadow-lg); }
  .cw { grid-template-columns: minmax(0, 1fr); } .room-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 720px) {
  .mr-crumbs, .mr-mode { display: none; } .mr-top { gap: 8px; padding: 8px 12px; } .mr-count { margin-left: auto; font-size: 13px; }
  .mr-tools { padding: 6px 10px; } .tool span { display: none; } .tool { padding: 7px 9px; } .hl-dots { display: none; }
  .mr-main { padding: 12px 10px 30px; } .q-card, .explanation { padding: 16px 14px; } .mr-foot { padding: 8px 10px; } .mr-foot .btn { padding: 8px 11px; }
  .pathway { flex-direction: column; } .estimate.panel-wrap { grid-template-columns: 1fr; }
}

@media (max-width: 1100px) {
  .hub-grid { grid-template-columns: 1fr; } .track-tiles { grid-template-columns: repeat(2, 1fr); } .filter-selects { grid-template-columns: repeat(2, 1fr); }
  .grid-2, .dash-grid, .book-grid { grid-template-columns: 1fr; } .book-toc { position: static; }
}
@media (max-width: 860px) {
  #app.shelled { grid-template-columns: 1fr; }
  .side { position: fixed; z-index: 80; left: 0; top: 0; width: 260px; transform: translateX(-102%); transition: transform .2s var(--ease); box-shadow: var(--shadow-lg); }
  .side.open { transform: none; }
  .side-toggle { display: inline-grid; } .crumbs { display: none; } .mode-toggle span { display: none; } .top { padding: 0 10px; gap: 8px; }
  .page { padding: 14px 12px 80px; } .welcome-stats { grid-template-columns: 1fr; } .track-tiles { grid-template-columns: 1fr 1fr; }
  .search-layout { grid-template-columns: 1fr; } .facets { position: static; display: flex; gap: 6px; overflow-x: auto; } .facets h3, .facets .fcap { display: none; } .facet { white-space: nowrap; width: auto; }
  .result { grid-template-columns: 1fr; } .result .r-thumb { display: none; }
  .auth-page { grid-template-columns: 1fr; } .auth-hero { padding: 32px 20px; } .auth-hero .hero-points { display: none; } .auth-card { padding: 28px 20px; }
  .form-grid { grid-template-columns: 1fr; gap: 6px; } .form-grid.three { grid-template-columns: 1fr 1fr; }
  .score-hero { grid-template-columns: 1fr; justify-items: center; } .set-row { flex-direction: column; align-items: flex-start; }
  .fixed-card { grid-template-columns: 1fr; } .grade-row { grid-template-columns: 1fr 1fr; } .estimate { grid-template-columns: 1fr; }
}
@media (max-width: 520px) { .track-tiles { grid-template-columns: 1fr; } .filter-selects { grid-template-columns: 1fr; } .top-search { display: none; } }
@media (prefers-reduced-motion: reduce) { *, *::before, *::after { animation: none !important; transition: none !important; } }
/* TopMD study coach */
.coach-page { padding-top: 18px; padding-bottom: 18px; }
.coach-shell { display: flex; flex-direction: column; max-width: 1010px; height: min(780px, calc(100dvh - 178px)); min-height: 490px; margin: 0 auto; overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--panel); box-shadow: var(--shadow); }
.coach-header { display: flex; align-items: center; gap: 15px; padding: 19px 24px; flex: none; background: linear-gradient(105deg, var(--primary-soft), var(--panel) 64%); border-bottom: 1px solid var(--line); }
.coach-brand-icon, .coach-empty-icon { width: 45px; height: 45px; flex: none; display: grid; place-items: center; border-radius: 14px; background: var(--primary); color: var(--on-primary); box-shadow: 0 8px 20px rgb(2 132 199 / .18); }
.coach-heading { min-width: 0; flex: 1; }
.coach-heading h1 { margin: 0; font-size: 20px; line-height: 1.25; letter-spacing: -.025em; }
.coach-heading p { margin: 5px 0 0; font-size: 13px; color: var(--muted); }
.coach-provider { display: inline-flex; align-items: center; gap: 7px; white-space: nowrap; padding: 6px 10px; border: 1px solid var(--line-2); border-radius: 999px; color: var(--fg-2); background: var(--card); font-size: 11px; font-weight: 700; }
.coach-provider::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--ok); }
.coach-messages { flex: 1; min-height: 0; overflow: auto; display: flex; flex-direction: column; gap: 22px; padding: 28px clamp(16px, 4vw, 46px); scroll-behavior: smooth; background: linear-gradient(180deg, var(--panel), var(--bg-2)); }
.coach-message { display: flex; align-items: flex-start; gap: 11px; max-width: 88%; align-self: flex-start; min-width: 0; }
.coach-message.from-user { align-self: flex-end; flex-direction: row-reverse; max-width: min(78%, 600px); }
.coach-avatar { width: 32px; height: 32px; border-radius: 10px; flex: none; display: grid; place-items: center; color: var(--primary-2); background: var(--primary-soft); font-size: 10px; font-weight: 800; }
.from-user .coach-avatar { color: var(--on-primary); background: var(--primary); }
.coach-bubble { min-width: 0; padding: 15px 18px 16px; border-radius: 4px 17px 17px 17px; border: 1px solid var(--line); background: var(--panel); box-shadow: var(--shadow); }
.from-user .coach-bubble { border-radius: 17px 4px 17px 17px; border-color: transparent; background: var(--primary-soft); box-shadow: none; }
.coach-author { margin-bottom: 7px; font-size: 11px; font-weight: 800; letter-spacing: .05em; text-transform: uppercase; color: var(--primary-2); }
.from-user .coach-author { color: var(--fg-2); }
.coach-content { color: var(--fg); font-size: 14.5px; line-height: 1.7; overflow-wrap: anywhere; }
.coach-content > :first-child { margin-top: 0; } .coach-content > :last-child { margin-bottom: 0; }
.coach-content p { margin: 0 0 14px; white-space: pre-wrap; }
.coach-content h3, .coach-content h4, .coach-content h5 { margin: 17px 0 7px; font-size: 15px; line-height: 1.35; color: var(--fg); }
.coach-content ul, .coach-content ol { margin: 8px 0 15px; padding-left: 22px; }
.coach-content li { padding-left: 4px; margin: 9px 0; line-height: 1.55; }
.coach-content li::marker { color: var(--primary); font-weight: 700; }
.coach-content hr { border: 0; border-top: 1px solid var(--line); margin: 18px 0; }
.coach-content ol { display: grid; gap: 7px; padding: 0; list-style: none; counter-reset: coach-list; }
.coach-content ol li { counter-increment: coach-list; position: relative; margin: 0; padding: 9px 12px 9px 44px; border: 1px solid var(--line); border-radius: 10px; background: var(--card); }
.coach-content ol li::before { content: counter(coach-list); position: absolute; left: 11px; top: 10px; width: 22px; height: 22px; display: grid; place-items: center; border-radius: 7px; color: var(--primary-2); background: var(--primary-soft); font-size: 11px; font-weight: 800; }
.coach-content strong { color: var(--fg); font-weight: 750; }
.coach-content code { padding: 2px 5px; border-radius: 4px; background: var(--card-2); font-size: .9em; }
.coach-content pre { overflow: auto; padding: 12px; border-radius: 10px; background: var(--card-2); }
.coach-content pre code { padding: 0; background: none; }
.coach-empty { margin: auto; padding: 25px; text-align: center; max-width: 580px; }
.coach-empty-icon { margin: 0 auto 15px; width: 58px; height: 58px; border-radius: 18px; }
.coach-empty h2 { margin: 0 0 8px; font-size: 21px; }
.coach-empty p { margin: 0; color: var(--muted); font-size: 14px; }
.coach-prompts { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
.coach-prompts button { padding: 9px 12px; border: 1px solid var(--line-2); border-radius: 10px; color: var(--fg-2); background: var(--card); cursor: pointer; font: inherit; font-size: 12px; }
.coach-prompts button:hover { border-color: var(--primary); color: var(--primary-2); }
.coach-thinking { display: flex; align-items: center; gap: 9px; color: var(--muted); font-size: 12px; }
.coach-thinking-dots { display: flex; gap: 3px; }
.coach-thinking-dots i { width: 5px; height: 5px; border-radius: 50%; background: var(--primary); animation: coach-pulse 1s infinite alternate; }
.coach-thinking-dots i:nth-child(2) { animation-delay: .2s; } .coach-thinking-dots i:nth-child(3) { animation-delay: .4s; }
@keyframes coach-pulse { to { opacity: .2; transform: translateY(-3px); } }
.coach-form { flex: none; padding: 13px 22px 14px; border-top: 1px solid var(--line); background: var(--panel); }
.coach-compose { display: flex; align-items: flex-end; gap: 10px; padding: 7px; border: 1px solid var(--line-2); border-radius: 15px; background: var(--card); transition: border-color .2s, box-shadow .2s; }
.coach-compose:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px var(--primary-soft); }
.coach-compose textarea { width: 100%; min-height: 43px; max-height: 130px; padding: 10px 12px; resize: vertical; border: 0; outline: 0; color: var(--fg); background: transparent; font: inherit; font-size: 14px; line-height: 1.45; }
.coach-compose textarea::placeholder { color: var(--muted); }
.coach-compose .btn { align-self: flex-end; display: flex; align-items: center; gap: 7px; padding: 11px 15px; border-radius: 10px; }
.coach-form small { display: block; margin: 8px 3px 0; color: var(--muted); font-size: 11px; }
@media (max-width: 650px) { .coach-page { padding: 0; } .coach-shell { height: calc(100dvh - 120px); min-height: 350px; border-radius: 0; border-left: 0; border-right: 0; } .coach-header { padding: 13px; } .coach-heading h1 { font-size: 16px; } .coach-heading p, .coach-provider { display: none; } .coach-messages { padding: 18px 12px; gap: 16px; } .coach-message, .coach-message.from-user { max-width: 96%; } .coach-form { padding: 9px; } .coach-form small { display: none; } }
.mr.prometric { --accent: #004b8d; --r: 2px; background: #e8eff6; }
.mr.prometric .mr-top, .mr.prometric .mr-foot { background: #06467d; color: #fff; border-color: #003861; }
.mr.prometric .mr-tools { background: #d8e7f4; border-color: #9ebbd5; }
.mr.prometric .mr-main { background: #fff; }
.spot-image { display: grid; place-items: center; min-height: 260px; max-height: 60vh; margin: 16px 0; padding: 12px; background: #111827; border-radius: 10px; }
.spot-image img { max-width: 100%; max-height: 56vh; object-fit: contain; }
.tool#t-color { color: var(--bookmark-color, inherit); }
.bookmark-dot { width: 14px; height: 14px; border-radius: 50%; flex: none; background: #64748b; }
.bookmark-dot.red { background: #ef4444; } .bookmark-dot.yellow { background: #eab308; } .bookmark-dot.green { background: #22c55e; }
.video-transcript { margin-top: 20px; }
.video-transcript #transcript-list { max-height: 440px; overflow: auto; border: 1px solid var(--border, #334155); border-radius: 10px; margin-top: 10px; }
.transcript-cue { width: 100%; display: flex; gap: 14px; padding: 10px 14px; text-align: left; background: transparent; color: inherit; border: 0; border-bottom: 1px solid var(--border, #334155); cursor: pointer; }
.transcript-cue:hover { background: rgba(100, 116, 139, .12); }
.transcript-cue b { white-space: nowrap; color: #38bdf8; }
.community-note { padding: 10px 0; border-bottom: 1px solid var(--border, #334155); }
.community-note p { margin: 0 0 5px; }
.community-note small { margin-right: 12px; }
.med-term { position: relative; text-decoration: underline dotted #38bdf8; text-underline-offset: 3px; cursor: help; }
.med-term:hover::after, .med-term:focus::after { content: attr(data-summary); position: absolute; z-index: 30; left: 0; top: 1.5em; width: min(300px, 75vw); padding: 10px 12px; border-radius: 8px; color: #eef6ff; background: #17263e; border: 1px solid #3b82a8; box-shadow: 0 8px 24px #0007; font: 13px/1.45 system-ui, sans-serif; white-space: normal; }
.saved-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,380px),1fr));gap:16px;margin-top:18px}.saved-card{min-width:0}.saved-card .row{justify-content:space-between;gap:12px;flex-wrap:wrap}.saved-visual{overflow:auto;margin:14px 0;padding:12px;border:1px solid var(--line,#d7e1ed);border-radius:10px}.saved-visual img{max-width:100%;height:auto}.saved-visual table{width:100%;border-collapse:collapse}.saved-visual td,.saved-visual th{border:1px solid var(--line,#d7e1ed);padding:7px}.pin-table{display:block;margin:14px 0 6px}.guideline-note{border:1px solid #e8bd54;background:rgba(245,180,50,.12);border-radius:10px;padding:12px 16px;margin:16px 0}.guideline-note p{margin:7px 0 0}.study-drawer{position:fixed;right:0;top:0;bottom:0;z-index:150;width:min(460px,100vw);background:var(--panel,#fff);color:var(--fg,#16243b);box-shadow:-12px 0 36px #0004;display:flex;flex-direction:column}.study-drawer header{padding:14px 18px;display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line,#d7e1ed)}.study-drawer-body{overflow:auto;padding:18px}.study-drawer-body video{width:100%;max-height:45vh}.study-drawer-body img{max-width:100%}
.pin-table::before{content:'📌 Save ' attr(data-label)}
.mr-sync{font-size:11px;font-weight:700;color:#20a76d;white-space:nowrap}.mr-sync:not(:empty){padding:4px 8px;border-radius:999px;background:rgba(32,167,109,.11)}

/* ── Exam Runner Sidebar & 10 Features (TOPMD QBank) ────────────────────── */
.mr-body { display: grid; grid-template-columns: 240px minmax(0, 1fr); min-height: 0; }
.mr.labs-open .mr-body { grid-template-columns: 240px minmax(0, 1fr) 360px; }
@media (max-width: 1024px) {
  .mr-body { grid-template-columns: minmax(0, 1fr); }
  .mr.labs-open .mr-body { grid-template-columns: minmax(0, 1fr) 360px; }
  .mr-left-sidebar { display: none !important; }
}

.mr-left-sidebar {
  border-right: 1px solid var(--line);
  background: var(--bg-2);
  padding: 16px 14px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}
.side-widget {
  background: var(--card);
  border: 1px solid var(--line-2);
  border-radius: 12px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.widget-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 14px;
  font-weight: 700;
  color: var(--fg);
}
.widget-content {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.widget-field-lbl {
  font-size: 11.5px;
  color: var(--muted);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.widget-dropdown {
  width: 100%;
  font-size: 12.5px;
}
.weakness-hunter-btn {
  width: 100%;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 12px;
  box-shadow: 0 4px 12px rgba(56, 189, 248, 0.25);
}
.widget-callout {
  margin-top: 6px;
  padding: 8px 10px;
  border-radius: 8px;
  background: var(--bg-2);
  border: 1px solid var(--line-2);
  border-left: 3px solid var(--primary);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.callout-tag {
  font-size: 11px;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.03em;
}
.widget-callout small {
  font-size: 11px;
  color: var(--muted);
}
.nav-desc {
  font-size: 12px;
  color: var(--muted);
  margin: 0;
  line-height: 1.4;
}
.study-sheet-launcher-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 8px 10px;
  font-weight: 700;
  font-size: 12.5px;
  background: var(--card-2);
  border: 1px solid var(--line-2);
}
.study-sheet-launcher-btn:hover {
  background: var(--primary-soft);
  border-color: var(--primary);
  color: var(--primary);
}

/* ── Top Header Prometric Skin Pill (#15) ────────────────────────────────── */
.prometric-skin-toggle {
  background: #004b8d;
  color: #fff;
  border: 1px solid #003666;
  font-weight: 700;
  font-size: 12px;
  padding: 5px 12px;
  border-radius: 999px;
  transition: all 0.2s ease;
}
.prometric-skin-toggle:hover {
  background: #005fae;
  box-shadow: 0 0 10px rgba(0, 75, 141, 0.5);
}
.prometric-skin-toggle.active {
  background: #38bdf8;
  color: #04121f;
  border-color: #38bdf8;
  box-shadow: 0 0 12px rgba(56, 189, 248, 0.6);
}

/* ── Question Card Top Bar & Multi-Color Bookmarks (#18) ─────────────────── */
.q-top-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
}
.q-title-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.q-number-heading {
  font-size: 19px;
  font-weight: 800;
  color: var(--fg);
  margin: 0;
}
.multi-bookmarks-bar {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--bg-2);
  padding: 5px 10px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
}
.bm-heading {
  font-size: 10.5px;
  font-weight: 800;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-right: 2px;
}
.bm-tag-pill {
  border: 1px solid var(--line-2);
  background: var(--card);
  border-radius: 999px;
  padding: 3px 9px;
  font-size: 11.5px;
  font-weight: 700;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: all 0.15s ease;
}
.bm-tag-pill:hover {
  transform: translateY(-1px);
}
.bm-tag-pill.bm-red.active {
  background: rgba(239, 68, 68, 0.2);
  border-color: #ef4444;
  color: #ef4444;
  box-shadow: 0 0 8px rgba(239, 68, 68, 0.4);
}
.bm-tag-pill.bm-yellow.active {
  background: rgba(234, 179, 8, 0.2);
  border-color: #eab308;
  color: #eab308;
  box-shadow: 0 0 8px rgba(234, 179, 8, 0.4);
}
.bm-tag-pill.bm-green.active {
  background: rgba(34, 197, 94, 0.2);
  border-color: #22c55e;
  color: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.4);
}
.bm-ribbon {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
  margin-left: 4px;
}
.bm-ribbon.ribbon-red { color: #ef4444; }
.bm-ribbon.ribbon-yellow { color: #eab308; }
.bm-ribbon.ribbon-green { color: #22c55e; }

/* ── Choices Actions (1-Click Flashcard #2 & Live Peer % #13) ─────────────── */
.mc-choice-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-left: auto;
  position: relative;
  z-index: 2;
}
.mc-peer-indicator {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  min-width: 48px;
}
.mc-peer-pct {
  font-size: 13px;
  font-weight: 800;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}
.mc.sel .mc-peer-pct, .mc.right .mc-peer-pct {
  color: var(--fg);
}
.mc-peer-bar-fill {
  height: 3px;
  border-radius: 2px;
  background: var(--primary);
  opacity: 0.6;
}
.peer-stats-strip {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12.5px;
  color: var(--muted);
  margin-top: 8px;
  padding: 6px 10px;
  border-radius: 8px;
  background: var(--bg-2);
}
.peer-badge-lbl {
  font-weight: 800;
  color: var(--primary);
  font-size: 11px;
  background: var(--primary-soft);
  padding: 2px 6px;
  border-radius: 4px;
}

/* ── Pre-Computed AI Insights (#3) ───────────────────────────────────────── */
.ai-insights-container {
  margin-top: 22px;
  border: 1px solid var(--line-2);
  border-radius: 14px;
  background: var(--card);
  overflow: hidden;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
}
.ai-insights-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  background: linear-gradient(90deg, rgba(56, 189, 248, 0.12), rgba(167, 139, 250, 0.12));
  border-bottom: 1px solid var(--line);
}
.ai-badge {
  font-weight: 800;
  font-size: 12px;
  color: #38bdf8;
  letter-spacing: 0.04em;
}
.ai-hint {
  font-size: 11px;
  color: var(--muted);
}
.ai-insights-columns {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--line);
}
@media (max-width: 768px) {
  .ai-insights-columns { grid-template-columns: 1fr; }
}
.ai-insight-pane {
  background: var(--card);
  padding: 14px 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.ai-pane-title {
  font-size: 12.5px;
  font-weight: 800;
  color: var(--primary-2);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}
.mnemonic-pane .ai-pane-title {
  color: #a78bfa;
}
.ai-pane-body {
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--fg);
}

/* ── MDCalc-lite Clinical Calculator (#16) ────────────────────────────────── */
.mdcalc-panel {
  width: min(390px, 94vw);
  max-height: 85vh;
  overflow-y: auto;
}
.calc-tabs {
  display: inline-flex;
  gap: 4px;
  background: var(--bg-2);
  padding: 2px;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.calc-tab-btn {
  border: 0;
  background: transparent;
  color: var(--muted);
  font-size: 11px;
  font-weight: 700;
  padding: 3px 8px;
  border-radius: 6px;
  cursor: pointer;
}
.calc-tab-btn.active {
  background: var(--card);
  color: var(--fg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
}
.clinical-calc-body {
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.calc-card {
  border: 1px solid var(--line-2);
  background: var(--bg-2);
  border-radius: 10px;
  padding: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.calc-card-head {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13.5px;
  font-weight: 700;
}
.calc-badge {
  font-size: 9.5px;
  font-weight: 800;
  background: var(--primary-soft);
  color: var(--primary);
  border: 1px solid var(--primary);
  padding: 1px 5px;
  border-radius: 4px;
}
.calc-formula {
  font-family: ui-monospace, monospace;
  font-size: 11.5px;
  color: var(--muted);
  background: var(--card);
  padding: 5px 8px;
  border-radius: 6px;
  border: 1px solid var(--line);
}
.calc-inputs-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}
.calc-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
}
.calc-field span {
  font-size: 10.5px;
  font-weight: 700;
  color: var(--muted);
}
.calc-field input, .calc-field select {
  width: 100%;
  padding: 5px 6px;
  border-radius: 6px;
  border: 1px solid var(--line-2);
  background: var(--card);
  color: var(--fg);
  font-size: 12px;
}
.calc-result-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 12px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: var(--card);
}
.calc-result-banner.normal {
  border-color: var(--ok);
  background: var(--ok-soft);
}
.calc-result-banner.warn {
  border-color: var(--warn);
  background: var(--warn-soft);
}
.res-num {
  font-size: 20px;
  font-weight: 800;
}
.res-unit {
  font-size: 11px;
  color: var(--muted);
  margin-left: 2px;
}
.res-label {
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  text-align: right;
}
.res-label b {
  font-size: 12px;
}
.res-label small {
  font-size: 10.5px;
  color: var(--muted);
}

/* ── US ↔ SI Unit Switcher (#11) ─────────────────────────────────────────── */
.unit-toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  border-radius: 8px;
  border: 1px solid var(--primary);
  background: var(--primary-soft);
  color: var(--primary);
  font-weight: 700;
  font-size: 12px;
  cursor: pointer;
  transition: all 0.15s ease;
}
.unit-toggle-btn:hover {
  background: var(--primary);
  color: var(--on-primary);
}
.unit-toggle-icon {
  font-size: 14px;
  font-weight: 800;
}
.labs-unit-switcher-footer {
  margin-top: 14px;
  display: flex;
  justify-content: center;
}
.unit-footer-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 12px;
  font-weight: 700;
  border: 1px solid var(--primary);
  background: var(--card-2);
  color: var(--fg);
}
.unit-footer-btn:hover {
  background: var(--primary-soft);
  color: var(--primary);
}
.unit-badge {
  font-size: 10px;
  padding: 2px 6px;
  border-radius: 4px;
  background: var(--primary);
  color: var(--on-primary);
  font-weight: 800;
}

/* ── Inline Hover Popover (#6) ───────────────────────────────────────────── */
.med-term {
  position: relative;
  text-decoration: underline dotted #38bdf8;
  text-underline-offset: 3px;
  cursor: help;
  color: #38bdf8;
  font-weight: 600;
}
.med-term:hover::after, .med-term:focus::after {
  content: attr(data-summary);
  position: absolute;
  z-index: 999;
  left: 0;
  top: calc(100% + 6px);
  width: min(340px, 85vw);
  padding: 12px 14px;
  border-radius: 10px;
  color: #f0fdf4;
  background: #0f1d32;
  border: 1px solid #38bdf8;
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(56, 189, 248, 0.3);
  font: 500 12.5px/1.55 system-ui, -apple-system, sans-serif;
  white-space: pre-line;
  pointer-events: none;
}

/* ── Study Sheet Modal Content ───────────────────────────────────────────── */
.study-sheet-modal-content {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.sheet-points-list {
  display: grid;
  gap: 10px;
  max-height: 55vh;
  overflow-y: auto;
  padding-right: 4px;
}
.sheet-point-card {
  padding: 10px 14px;
  border-radius: 8px;
  border: 1px solid var(--line-2);
  background: var(--card);
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.sheet-point-card b {
  font-size: 13px;
  color: var(--primary);
}
.sheet-point-card p {
  font-size: 13px;
  margin: 0;
  color: var(--fg);
}
.sheet-point-card small {
  color: var(--muted);
  font-size: 11px;
}
.empty-sheet-msg {
  padding: 24px;
  text-align: center;
  color: var(--muted);
  font-style: italic;
}
.sheet-actions-row {
  display: flex;
  justify-content: flex-end;
  margin-top: 8px;
}