:root{--navy: #0e2a47;--navy-2: #143a5e;--blue: #1a6fd4;--blue-dark: #145cb3;--bg: #f2f4f7;--card: #ffffff;--ink: #1c2733;--muted: #5d6b7a;--line: #d9e0e8;--ok: #1e7e34;--ok-bg: #e6f4ea;--bad: #c5221f;--bad-bg: #fdecea;--warn: #b26a00;--warn-bg: #fff4e0;--flag: #e8a100;--radius: 10px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,Roboto,Helvetica Neue,Arial,sans-serif;background:var(--bg);color:var(--ink);line-height:1.5}.page{min-height:100vh}.topbar{background:var(--navy);color:#fff;position:sticky;top:0;z-index:50}.topbar-inner{max-width:1200px;margin:0 auto;padding:10px 20px;display:flex;align-items:center;justify-content:space-between;gap:12px}.brand{font-weight:700;font-size:1.05rem;letter-spacing:.02em}.container{max-width:1100px;margin:0 auto;padding:24px 20px 60px}.container.narrow{max-width:760px}.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;margin-bottom:20px;box-shadow:0 1px 3px #0e2a470f}.card-title{margin:0 0 14px;font-size:1.1rem}.center-col{text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px}.eyebrow{text-transform:uppercase;letter-spacing:.12em;font-size:.75rem;color:var(--blue);font-weight:700}.muted{color:var(--muted)}.small{font-size:.85rem}.big{font-size:1.1rem}.row{display:flex;align-items:center}.gap{gap:12px}.between{justify-content:space-between}.center{justify-content:center}.end{justify-content:flex-end}.btn{font:inherit;border:1px solid var(--line);background:#fff;color:var(--ink);border-radius:8px;padding:9px 18px;cursor:pointer;font-weight:600;transition:background .15s,border-color .15s}.btn:hover:not(:disabled){background:#eef2f7}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-primary{background:var(--blue);border-color:var(--blue);color:#fff}.btn-primary:hover:not(:disabled){background:var(--blue-dark)}.btn-ghost{background:transparent;border-color:transparent;color:#fff}.btn-ghost:hover:not(:disabled){background:#ffffff1f}.btn-lg{font-size:1.1rem;padding:13px 32px}.btn-submit{background:var(--navy);border-color:var(--navy);color:#fff;padding:11px 28px}.btn-submit:hover:not(:disabled){background:var(--navy-2)}.btn-tool{background:transparent;border-color:#fff6;color:#fff;padding:6px 12px;font-size:.85rem}.btn-tool:hover:not(:disabled){background:#ffffff24}.btn-flag{font-size:.85rem;padding:6px 12px;border-color:var(--flag);color:var(--flag);background:#fff}.btn-flag.active{background:var(--flag);color:#fff}.alert{border-radius:8px;padding:12px 16px;margin-bottom:16px;display:flex;gap:12px;align-items:center;justify-content:space-between;flex-wrap:wrap}.alert-error{background:var(--bad-bg);border:1px solid #f5c6c2;color:#8f1d1a}.alert-warn{background:var(--warn-bg);border:1px solid #f0d9a8;color:#7a4d00}.alert-info{background:#e8f1fd;border:1px solid #bcd8f7;color:#14467e}.hero h1{margin:0 0 8px;font-size:2rem}.format-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0;width:100%}.format-card{border:1px solid var(--line);border-radius:8px;padding:14px;text-align:left;background:#fafbfd}.exam-picker-title{font-size:1.15rem;margin:6px 0 10px}.exam-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:0 0 18px;width:100%}.exam-card{border:2px solid var(--line);border-radius:8px;padding:14px;text-align:left;background:#fafbfd;cursor:pointer;font:inherit;color:inherit}.exam-card:hover{border-color:var(--blue)}.exam-card.selected{border-color:var(--blue);background:#eaf2fd;box-shadow:0 0 0 1px var(--blue)}.plan-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin:4px 0 6px;width:100%}.plan-card{border:2px solid var(--line);border-radius:8px;padding:14px;text-align:left;background:#fafbfd;cursor:pointer;font:inherit;color:inherit}.plan-card:hover{border-color:var(--blue);background:#eaf2fd}.plan-card:disabled{opacity:.6;cursor:wait}.plan-price{font-size:1.6rem;font-weight:700;margin:4px 0}.format-title{font-weight:700;margin-bottom:6px}.format-detail{font-size:.9rem;color:var(--muted)}.tips{text-align:left;color:var(--muted);max-width:560px}.exam-bar .topbar-inner{flex-wrap:wrap}.exam-tools{display:flex;align-items:center;gap:10px}.timer{font-variant-numeric:tabular-nums;font-weight:800;font-size:1.25rem;background:#ffffff24;padding:4px 14px;border-radius:8px;min-width:92px;text-align:center}.timer.urgent{background:var(--bad);color:#fff;animation:pulse 1s infinite}@keyframes pulse{50%{opacity:.75}}.exam-layout{max-width:1200px;margin:0 auto;padding:20px;display:grid;grid-template-columns:1fr 300px;gap:20px;align-items:start}.exam-main{min-width:0}.q-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:14px;gap:10px;flex-wrap:wrap}.q-count{font-weight:700;color:var(--muted)}.q-prompt{font-size:1.05rem;white-space:pre-wrap;margin-bottom:18px}.options{display:flex;flex-direction:column;gap:8px}.option{display:flex;gap:6px;align-items:stretch}.option-btn{flex:1;display:flex;gap:12px;align-items:flex-start;text-align:left;font:inherit;background:#fff;border:1.5px solid var(--line);border-radius:8px;padding:12px 14px;cursor:pointer}.option-btn:hover:not(:disabled){border-color:var(--blue)}.option.selected .option-btn{border-color:var(--blue);background:#eef5fe}.option-letter{font-weight:800;border:1.5px solid var(--line);border-radius:50%;width:30px;height:30px;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.option.selected .option-letter{border-color:var(--blue);background:var(--blue);color:#fff}.option-text{flex:1}.option.eliminated .option-text{text-decoration:line-through;color:#9aa6b2}.option.eliminated .option-btn{background:#f6f7f9}.elim-btn{font:inherit;width:40px;border:1.5px solid var(--line);background:#fff;border-radius:8px;cursor:pointer;color:var(--muted);font-size:1.1rem}.elim-btn:hover,.option.eliminated .elim-btn{border-color:var(--bad);color:var(--bad)}.numeric-wrap{display:flex;flex-direction:column;gap:8px;max-width:360px}.numeric-label{font-weight:600}.numeric-input{font:inherit;font-size:1.1rem;padding:10px 14px;border:1.5px solid var(--line);border-radius:8px}.numeric-input:focus{outline:none;border-color:var(--blue)}.warn-text{color:var(--warn)}.exam-nav{margin-top:18px}.navigator-card{position:sticky;top:76px}.navigator-title{font-weight:700;margin-bottom:10px}.navigator-grid{display:grid;grid-template-columns:repeat(5,1fr);gap:6px}.nav-cell{font:inherit;aspect-ratio:1;border:1.5px solid var(--line);background:#fff;border-radius:6px;cursor:pointer;font-weight:600;font-size:.9rem}.nav-cell.current{border-color:var(--navy);box-shadow:0 0 0 2px var(--navy) inset}.nav-cell.answered{background:var(--blue);border-color:var(--blue);color:#fff}.nav-cell.flagged{position:relative}.nav-cell.flagged:after{content:"⚑";position:absolute;top:-7px;right:-4px;font-size:.8rem;color:var(--flag)}.legend{display:flex;flex-wrap:wrap;gap:10px;margin-top:12px;font-size:.8rem;color:var(--muted)}.dot{display:inline-block;width:10px;height:10px;border-radius:3px;margin-right:4px;border:1px solid var(--line)}.dot.current{border:2px 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ul{margin:0;padding-left:20px;font-size:.95rem}.formula-grid li{margin-bottom:4px}.big-timer{font-size:3.5rem;font-weight:800;font-variant-numeric:tabular-nums;color:var(--navy)}.big-timer.urgent{color:var(--bad)}.directions{text-align:left;max-width:560px;color:var(--muted)}.score-hero{padding:36px 24px}.total-score{font-size:4.5rem;font-weight:800;color:var(--navy);line-height:1}.score-range{margin-bottom:8px}.score-split{display:flex;gap:16px;margin-top:10px;flex-wrap:wrap;justify-content:center}.score-box{border:1px solid var(--line);border-radius:10px;padding:14px 28px;min-width:200px;background:#fafbfd}.score-label{font-size:.85rem;color:var(--muted);font-weight:600}.score-value{font-size:2.4rem;font-weight:800;color:var(--navy)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:20px}.skills{display:flex;flex-direction:column;gap:12px}.skill-meta{display:flex;justify-content:space-between;font-size:.92rem;margin-bottom:4px}.skill-name{font-weight:600}.skill-score{color:var(--muted);font-variant-numeric:tabular-nums}.bar{height:10px;background:#e7ecf2;border-radius:6px;overflow:hidden}.bar-fill{height:100%;background:var(--blue);border-radius:6px;transition:width .4s}.ai-narrative{white-space:pre-wrap;background:#f7f9fc;border:1px solid var(--line);border-radius:8px;padding:16px}.breakdown-pre{background:#0e2a47;color:#d7e6f7;padding:16px;border-radius:8px;overflow-x:auto;font-size:.85rem}.review-list{display:flex;flex-direction:column;gap:8px}.review-item{border:1px solid var(--line);border-radius:8px;overflow:hidden}.review-item summary{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;list-style:none}.review-item summary::-webkit-details-marker{display:none}.review-item summary:hover{background:#f7f9fb}.review-item.correct{border-left:4px solid var(--ok)}.review-item.wrong{border-left:4px solid var(--bad)}.badge{font-weight:800;width:26px;height:26px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0}.badge-ok{background:var(--ok-bg);color:var(--ok)}.badge-bad{background:var(--bad-bg);color:var(--bad)}.review-qid{font-weight:700;font-size:.85rem;color:var(--muted);flex-shrink:0}.review-prompt-preview{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:.92rem}.tag{font-size:.75rem;background:#eef2f7;border:1px solid var(--line);border-radius:20px;padding:2px 10px;color:var(--muted);white-space:nowrap}.review-detail{padding:4px 18px 18px;border-top:1px dashed var(--line)}.review-options{display:flex;flex-direction:column;gap:6px;margin:10px 0}.review-option{display:flex;gap:10px;align-items:center;border:1px solid var(--line);border-radius:8px;padding:8px 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td{background:#eef5fe}@media(max-width:900px){.exam-layout{grid-template-columns:1fr}.navigator-card{position:static}.navigator-grid{grid-template-columns:repeat(9,1fr)}.grid-2,.format-grid,.exam-grid,.formula-grid,.plan-grid{grid-template-columns:1fr}}@media(max-width:560px){.hero h1{font-size:1.5rem}.total-score{font-size:3.2rem}.navigator-grid{grid-template-columns:repeat(7,1fr)}.container{padding:16px 12px 48px}.card{padding:16px}.calc-panel{right:10px;left:10px;width:auto}}