:root{--bg: #f6f4ef;--surface: #ffffff;--surface-2: #efece5;--ink: #1d1f22;--ink-2: #4a4e55;--ink-3: #7a7f87;--line: #e1ddd4;--accent: #1f5f5b;--accent-ink: #ffffff;--accent-soft: #dcebe9;--good: #2f7a3c;--good-soft: #e1f1e3;--bad: #b23b2e;--bad-soft: #f8e3df;--warn: #8a5a00;--warn-soft: #fbefd6;--flag: #c27c0e;--radius: 10px;--shadow: 0 1px 2px rgba(20, 20, 20, .05), 0 2px 8px rgba(20, 20, 20, .04);--font: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;--font-read: "Iowan Old Style", "Charter", "Georgia", serif;--mono: ui-monospace, "SF Mono", Menlo, monospace;color-scheme:light}@media (prefers-color-scheme: dark){:root{--bg: #15171a;--surface: #1d2024;--surface-2: #25292e;--ink: #eceae6;--ink-2: #b7b9bd;--ink-3: #8a8e94;--line: #33383e;--accent: #5fb3ab;--accent-ink: #0d1716;--accent-soft: #1f3533;--good: #6cc27a;--good-soft: #1d3322;--bad: #ef7d6f;--bad-soft: #3a2220;--warn: #e3b25a;--warn-soft: #3a2f18;--flag: #e3a73f;--shadow: none;color-scheme:dark}}*{box-sizing:border-box}html,body{margin:0}body{background:var(--bg);color:var(--ink);font:15px/1.55 var(--font);-webkit-font-smoothing:antialiased}a{color:var(--accent)}code,kbd{font-family:var(--mono);font-size:.9em}h1,h2,h3{line-height:1.25;margin:0 0 .5em}h1{font-size:1.6rem;letter-spacing:-.01em}h2{font-size:1.15rem}h3{font-size:1rem}p{margin:0 0 .75em}.topbar{position:sticky;top:0;z-index:10;display:flex;align-items:center;gap:24px;padding:10px 24px;background:color-mix(in srgb,var(--bg) 88%,transparent);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}.brand{font-weight:700;letter-spacing:.02em;color:var(--ink);text-decoration:none}.brand small{color:var(--ink-3);font-weight:500;margin-left:6px}.nav{display:flex;gap:4px;flex-wrap:wrap}.nav a{padding:6px 12px;border-radius:8px;color:var(--ink-2);text-decoration:none;font-weight:500}.nav a:hover{background:var(--surface-2)}.nav a.active{background:var(--accent-soft);color:var(--accent)}.page{max-width:1120px;margin:0 auto;padding:28px 24px 80px}.page-narrow{max-width:820px}.grid{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(auto-fit,minmax(320px,1fr))}.grid-3{grid-template-columns:repeat(auto-fit,minmax(240px,1fr))}.row{display:flex;gap:12px;align-items:center;flex-wrap:wrap}.spacer{flex:1}.stack>*+*{margin-top:16px}.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:var(--shadow)}.card h2{margin-bottom:12px}.muted{color:var(--ink-3)}.small{font-size:.86rem}.eyebrow{font-size:.75rem;text-transform:uppercase;letter-spacing:.08em;color:var(--ink-3);font-weight:600}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 16px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink);font:inherit;font-weight:600;cursor:pointer;text-decoration:none;transition:background .12s,border-color .12s}.btn:hover:not(:disabled){background:var(--surface-2)}.btn:disabled{opacity:.45;cursor:not-allowed}.btn-primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.btn-primary:hover:not(:disabled){background:color-mix(in srgb,var(--accent) 88%,black)}.btn-ghost{background:transparent;border-color:transparent}.btn-danger{color:var(--bad)}.btn-sm{padding:5px 10px;font-size:.85rem}.btn-lg{padding:12px 22px;font-size:1rem}.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:.75rem;font-weight:600;background:var(--surface-2);color:var(--ink-2);white-space:nowrap}.badge-good{background:var(--good-soft);color:var(--good)}.badge-bad{background:var(--bad-soft);color:var(--bad)}.badge-warn{background:var(--warn-soft);color:var(--warn)}.badge-accent{background:var(--accent-soft);color:var(--accent)}.banner{padding:12px 16px;border-radius:var(--radius);border:1px solid}.banner-warn{background:var(--warn-soft);border-color:color-mix(in srgb,var(--warn) 30%,transparent);color:var(--ink)}.banner-info{background:var(--accent-soft);border-color:color-mix(in srgb,var(--accent) 30%,transparent)}input[type=number],input[type=search],select{font:inherit;padding:7px 10px;border-radius:8px;border:1px solid var(--line);background:var(--surface);color:var(--ink)}input[type=range]{accent-color:var(--accent)}input[type=checkbox],input[type=radio]{accent-color:var(--accent);width:16px;height:16px}label.check{display:inline-flex;align-items:center;gap:8px;cursor:pointer}.toggle-row{display:flex;justify-content:space-between;gap:16px;align-items:flex-start;padding:12px 0;border-top:1px solid var(--line)}.toggle-row:first-child{border-top:0}.seg{display:inline-flex;background:var(--surface-2);border-radius:10px;padding:3px}.seg button{border:0;background:transparent;padding:8px 14px;border-radius:8px;font:inherit;font-weight:600;color:var(--ink-2);cursor:pointer}.seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.cat-group{border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}.cat-domain{border-top:1px solid var(--line)}.cat-domain:first-child{border-top:0}.cat-head{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface)}.cat-head .count{margin-left:auto}.cat-tasks{padding:4px 14px 12px 40px;background:var(--surface);display:grid;gap:4px}.cat-tasks label{font-size:.9rem;color:var(--ink-2)}.expander{border:0;background:none;color:var(--ink-3);cursor:pointer;font-size:.8rem;padding:2px 6px}.exam-shell{display:grid;grid-template-columns:1fr 260px;gap:20px;align-items:start}@media (max-width: 900px){.exam-shell{grid-template-columns:1fr}}.exam-bar{display:flex;align-items:center;gap:16px;padding:12px 16px;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);margin-bottom:16px}.timer{font-family:var(--mono);font-size:1.1rem;font-weight:600;padding:4px 10px;border-radius:8px;background:var(--surface-2)}.timer.low{background:var(--bad-soft);color:var(--bad)}.progress{height:4px;background:var(--surface-2);border-radius:99px;overflow:hidden;flex:1;min-width:80px}.progress>div{height:100%;background:var(--accent);transition:width .2s}.scenario-card{border-left:3px solid var(--accent);padding:12px 16px;background:var(--surface-2);border-radius:0 var(--radius) var(--radius) 0;margin-bottom:16px}.scenario-card p{margin:4px 0 0;color:var(--ink-2);font-size:.92rem}.stem{font-family:var(--font-read);font-size:1.12rem;line-height:1.6;margin-bottom:18px}.select-hint{font-size:.82rem;font-weight:600;color:var(--accent);margin-bottom:10px}.options{display:grid;gap:10px}.option{display:grid;grid-template-columns:28px 1fr auto;gap:12px;align-items:start;padding:12px 14px;border:1.5px solid var(--line);border-radius:var(--radius);background:var(--surface);cursor:pointer;text-align:left;font:inherit;color:inherit;width:100%;transition:border-color .1s,background .1s}.option:hover:not(:disabled){border-color:color-mix(in srgb,var(--accent) 50%,var(--line))}.option.selected{border-color:var(--accent);background:var(--accent-soft)}.option:disabled{cursor:default}.option.is-correct{border-color:var(--good);background:var(--good-soft)}.option.is-wrong{border-color:var(--bad);background:var(--bad-soft)}.option .letter{width:28px;height:28px;border-radius:50%;display:grid;place-items:center;font-weight:700;font-size:.85rem;border:1.5px solid var(--line);background:var(--surface)}.option.multi .letter{border-radius:6px}.option.selected .letter{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}.option.is-correct .letter{background:var(--good);border-color:var(--good);color:#fff}.option.is-wrong .letter{background:var(--bad);border-color:var(--bad);color:#fff}.option .mark{font-size:.78rem;font-weight:700}.navigator{position:sticky;top:76px}.nav-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}.nav-cell{aspect-ratio:1;border-radius:6px;border:1px solid var(--line);background:var(--surface);font:inherit;font-size:.78rem;font-weight:600;cursor:pointer;color:var(--ink-2);position:relative}.nav-cell.answered{background:var(--accent-soft);color:var(--accent);border-color:transparent}.nav-cell.right{background:var(--good-soft);color:var(--good);border-color:transparent}.nav-cell.wrong{background:var(--bad-soft);color:var(--bad);border-color:transparent}.nav-cell.current{outline:2px solid var(--ink);outline-offset:1px}.nav-cell.flagged:after{content:"";position:absolute;top:3px;right:3px;width:6px;height:6px;border-radius:50%;background:var(--flag)}.legend{display:flex;flex-wrap:wrap;gap:10px;font-size:.75rem;color:var(--ink-3);margin-top:12px}.legend i{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;vertical-align:-1px}.teach{margin-top:18px;border-radius:var(--radius);border:1px solid color-mix(in srgb,var(--bad) 35%,transparent);background:var(--surface);overflow:hidden;animation:rise .18s ease-out}.teach.ok{border-color:color-mix(in srgb,var(--good) 35%,transparent)}.teach-head{padding:12px 16px;background:var(--bad-soft);font-weight:700;display:flex;gap:10px;align-items:center}.teach.ok .teach-head{background:var(--good-soft)}.teach-body{padding:16px;display:grid;gap:14px}.teach-body h4{margin:0 0 4px;font-size:.78rem;text-transform:uppercase;letter-spacing:.07em;color:var(--ink-3)}.takeaway{padding:10px 14px;border-radius:8px;background:var(--accent-soft);font-weight:600}.rationales{display:grid;gap:6px;margin:0;padding:0;list-style:none}.rationales li{display:grid;grid-template-columns:22px 1fr;gap:8px;font-size:.92rem}.rationales b{font-family:var(--mono)}.rationales .r-correct{color:var(--good)}.rationales .r-picked{color:var(--bad)}blockquote.excerpt{margin:0;padding:8px 14px;border-left:3px solid var(--line);color:var(--ink-2);font-family:var(--font-read)}details summary{cursor:pointer;font-weight:600;color:var(--ink-2)}@keyframes rise{0%{opacity:0;transform:translateY(4px)}to{opacity:1;transform:none}}.bars{display:grid;gap:10px}.bar-row{display:grid;grid-template-columns:minmax(140px,1.4fr) 2fr 104px;gap:12px;align-items:center;font-size:.9rem}.bar{height:10px;background:var(--surface-2);border-radius:99px;overflow:hidden;position:relative}.bar>div{height:100%;border-radius:99px;background:var(--accent)}.bar>div.lo{background:var(--bad)}.bar>div.mid{background:var(--warn)}.bar>div.hi{background:var(--good)}.bar .cut{position:absolute;top:-3px;bottom:-3px;width:2px;background:var(--ink-3);opacity:.6}.bar-val{text-align:right;font-variant-numeric:tabular-nums;color:var(--ink-2)}.score-hero{display:flex;gap:32px;align-items:center;flex-wrap:wrap}.big-num{font-size:3rem;font-weight:800;letter-spacing:-.02em;line-height:1;font-variant-numeric:tabular-nums}.kpi{display:grid;gap:2px}.kpi b{font-size:1.3rem;font-variant-numeric:tabular-nums}.list-plain{list-style:none;margin:0;padding:0;display:grid;gap:8px}.cat-line{display:flex;gap:10px;align-items:center;justify-content:space-between;padding:8px 10px;border-radius:8px;background:var(--surface-2)}.cat-line .lbl{flex:1;font-size:.9rem}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line)}th{font-size:.75rem;text-transform:uppercase;letter-spacing:.06em;color:var(--ink-3);font-weight:600}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.matrix td,.matrix th{text-align:center;padding:5px 6px}.matrix td:first-child,.matrix th:first-child{text-align:left}.heat-0{color:var(--ink-3)}.heat-1{background:var(--warn-soft)}.heat-2{background:color-mix(in srgb,var(--good-soft) 60%,var(--surface))}.heat-3{background:var(--good-soft);font-weight:600}.modal-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;background:#00000059;display:grid;place-items:center;z-index:50;padding:16px}.modal{background:var(--surface);border-radius:14px;padding:24px;max-width:480px;width:100%;box-shadow:0 20px 60px #00000040}.empty{text-align:center;padding:40px 20px;color:var(--ink-3)}@media (max-width: 640px){.page{padding:20px 16px 60px}.topbar{padding:10px 16px;gap:12px;flex-wrap:wrap}.bar-row{grid-template-columns:1fr 64px}.bar-row .bar{grid-column:1 / -1;grid-row:2}}