:root{--bg:#fff;--bg-2:#f7f8fb;--card:#fff;--card-solid:#fff;--border:rgba(13,16,24,.08);--border-strong:rgba(13,16,24,.16);--text:#0d1018;--muted:#5b6478;--muted-2:#8a93a6;--accent:#4f46e5;--accent-2:#7c3aed;--teal:#0d9488;--green:#059669;--red:#dc2626;--amber:#b45309;--shadow:0 12px 40px -16px rgba(13,16,24,.18);--shadow-soft:0 1px 2px rgba(13,16,24,.04),0 4px 16px -8px rgba(13,16,24,.08);--mono:ui-monospace,"JetBrains Mono","SF Mono",Menlo,Consolas,monospace;--sans:ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif}*{box-sizing:border-box}body,html{margin:0;padding:0;color:var(--text);font-family:var(--sans);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body,html{background:var(--bg)}body{min-height:100vh}a{color:inherit;text-decoration:none}button{font-family:inherit}.shell{max-width:880px;margin:0 auto;padding:24px 24px 80px}.topbar{justify-content:space-between;padding:6px 8px 24px}.brand,.topbar{display:flex;align-items:center}.brand{gap:10px;font-weight:700;font-size:15px;letter-spacing:-.015em;color:var(--text)}.brand-mark{width:28px;height:28px;border-radius:8px;background:var(--text);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;box-shadow:0 1px 2px rgba(13,16,24,.08)}.brand-mark svg{width:100%;height:100%;display:block}.skip-btn{font-size:13px;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:8px 14px;background:#fff;cursor:pointer;transition:all .15s}.skip-btn:hover{color:var(--text);border-color:var(--border-strong);background:var(--bg-2)}.hero{text-align:center;padding:24px 0 12px}.eyebrow{display:inline-flex;align-items:center;gap:8px;font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;padding:6px 12px;border-radius:999px;background:rgba(79,70,229,.06);border:1px solid rgba(79,70,229,.18)}.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.12)}.title{font-size:clamp(34px,5vw,52px);font-weight:800;letter-spacing:-1.4px;line-height:1.05;margin:22px auto 14px;max-width:720px;color:var(--text)}.title .grad{background:linear-gradient(135deg,var(--accent) 0,var(--accent-2) 100%);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.subtitle{font-size:17px;color:var(--muted);line-height:1.65;max-width:560px;margin:0 auto 28px}.meta-row{display:flex;justify-content:center;gap:22px;flex-wrap:wrap;font-family:var(--mono);font-size:13px;color:var(--muted);margin-bottom:28px}.meta-row strong{color:var(--text);margin-right:6px}.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:12px;font-weight:600;font-size:15px;letter-spacing:-.01em;cursor:pointer;border:1px solid var(--border-strong);background:#fff;color:var(--text);transition:all .15s}.btn:hover{transform:translateY(-1px);background:var(--bg-2);box-shadow:var(--shadow-soft)}.btn-primary{background:var(--text);color:#fff;border:1px solid var(--text);box-shadow:0 8px 22px -10px rgba(13,16,24,.5)}.btn-primary:hover{background:#1a2030;border-color:#1a2030}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text)}.progress-wrap{display:flex;align-items:center;gap:14px;margin-bottom:22px;font-family:var(--mono);font-size:12px;color:var(--muted)}.progress-bar{flex:1 1;height:6px;border-radius:999px;background:rgba(13,16,24,.06);overflow:hidden}.progress-bar>div{height:100%;background:linear-gradient(90deg,var(--accent),var(--accent-2));transition:width .3s ease}.qcard{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:32px;box-shadow:var(--shadow-soft)}.qtag{display:inline-block;font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-bottom:14px;padding:4px 10px;border-radius:6px;background:rgba(79,70,229,.06);border:1px solid rgba(79,70,229,.16)}.qtext{font-size:22px;line-height:1.45;font-weight:700;letter-spacing:-.02em;margin:0 0 22px;color:var(--text)}.options{display:flex;flex-direction:column;gap:10px;margin-bottom:24px}.option{display:flex;align-items:flex-start;gap:14px;padding:16px 18px;border:1px solid var(--border);border-radius:12px;background:#fff;cursor:pointer;transition:all .12s;text-align:left;width:100%;font-family:inherit;font-size:15px;color:var(--text);line-height:1.5}.option:hover{border-color:var(--border-strong);background:var(--bg-2)}.option .marker{flex-shrink:0;width:24px;height:24px;border-radius:8px;background:var(--bg-2);border:1px solid var(--border);font-family:var(--mono);font-size:12px;font-weight:700;color:var(--muted);display:flex;align-items:center;justify-content:center}.option.selected{border-color:var(--accent);background:rgba(79,70,229,.04)}.option.selected .marker{background:var(--accent);color:#fff;border-color:var(--accent)}.controls{display:flex;justify-content:space-between;align-items:center;gap:12px}.controls .left{font-family:var(--mono);font-size:12px;color:var(--muted)}.result-card{background:var(--card);border:1px solid var(--border);border-radius:20px;padding:36px;text-align:center;box-shadow:var(--shadow-soft)}.score-badge{display:inline-block;font-family:var(--mono);font-size:13px;padding:5px 12px;border-radius:999px;margin-bottom:18px;letter-spacing:.06em}.score-badge.pass{color:var(--green);background:rgba(5,150,105,.08);border:1px solid rgba(5,150,105,.24)}.score-badge.fail{color:var(--amber);background:rgba(180,83,9,.08);border:1px solid rgba(180,83,9,.24)}.score-num{font-size:clamp(56px,9vw,88px);font-weight:800;letter-spacing:-3px;line-height:1;margin:6px 0 0;color:var(--text)}.score-num .total{color:var(--muted);font-size:.45em;font-weight:700;margin-left:6px}.score-headline{font-size:22px;font-weight:800;letter-spacing:-.5px;margin:18px 0 8px;color:var(--text)}.score-msg{color:var(--muted);line-height:1.6;max-width:480px;margin:0 auto 28px;font-size:15px}.form{display:flex;flex-direction:column;gap:12px;max-width:420px;margin:0 auto;text-align:left}.input{width:100%;padding:13px 16px;border-radius:10px;border:1px solid var(--border-strong);background:#fff;color:var(--text);font-family:inherit;font-size:15px;outline:none;transition:border-color .15s,box-shadow .15s}.input:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(79,70,229,.15)}.input-label{font-size:12px;font-family:var(--mono);letter-spacing:.06em;color:var(--muted);text-transform:uppercase;margin-bottom:4px;display:block}.fineprint{font-size:12px;color:var(--muted-2);margin-top:12px;text-align:center}.breakdown{margin-top:28px;text-align:left}.breakdown 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.15s,box-shadow .15s}.collapse[open]{border-color:var(--border-strong);background:var(--bg-2);box-shadow:var(--shadow-soft)}.collapse>summary{list-style:none;cursor:pointer;padding:18px 22px;display:flex;align-items:center;gap:14px;-webkit-user-select:none;-moz-user-select:none;user-select:none;position:relative}.collapse>summary::-webkit-details-marker{display:none}.collapse>summary:after{content:"\25BE";margin-left:auto;color:var(--muted);font-size:14px;transition:transform .18s ease;flex-shrink:0}.collapse[open]>summary:after{transform:rotate(180deg);color:var(--text)}.collapse>summary:hover:after{color:var(--text)}.collapse-body{padding:4px 22px 22px;border-top:1px solid var(--border);background:#fff}.collapse>summary .crow-tag{font-family:var(--mono);font-size:11px;letter-spacing:.1em;text-transform:uppercase;color:var(--accent);margin-right:10px;flex-shrink:0}.collapse>summary .crow-title{font-weight:700;font-size:17px;letter-spacing:-.02em;line-height:1.3;color:var(--text)}.collapse>summary .crow-meta{font-family:var(--mono);font-size:11px;color:var(--muted);margin-left:auto;margin-right:12px;flex-shrink:0}.collapse.locked>summary{opacity:.55}.collapse.locked>summary .crow-tag{color:var(--muted)}.collapse.locked>summary:after{content:"\1F512";font-size:12px;transform:none!important}.module-wrap{margin-bottom:18px;border-radius:14px;border:1px solid var(--border-strong);overflow:hidden;background:var(--card)}.module-wrap>summary{padding:22px 26px;background:var(--bg-2);list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:12px}.module-wrap>summary::-webkit-details-marker{display:none}.module-wrap>summary:after{content:"\25BE";margin-left:auto;color:var(--muted);font-size:16px;transition:transform .18s 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