:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light;--background:#f6fbff;--foreground:#111827;--muted:#5d6878;--card:#ffffffdb;--card-strong:#fff;--border:#3884d22e;--accent:#1f93e8;--accent-strong:#126fc1;--accent-soft:#e7f5ff;--cyan:#18c8df;--orange:#ff7014;--amber:#ffc64d;--magenta:#f61783;--violet:#7b18e8;--danger:#d9285f;--success:#0f9f7a;--chart-grid:#5d68782e}*{box-sizing:border-box}html,body{min-height:100%;margin:0}body{background:radial-gradient(circle at 8% 0%, #ff701433, transparent 22rem), radial-gradient(circle at 95% 14%, #18c8df3d, transparent 26rem), radial-gradient(circle at 2% 88%, #7b18e829, transparent 24rem), linear-gradient(135deg, #fffffff5, #e7f5ffdb), var(--background);color:var(--foreground);font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,.input:focus-visible{outline-offset:3px;outline:3px solid #1f93e861}.answer-option:has(input:focus-visible){outline-offset:3px;outline:3px solid #1f93e861}button:disabled{cursor:not-allowed;opacity:.6}.page-shell{max-width:1040px;min-height:100vh;margin:0 auto;padding:48px 20px}.card{-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);background:linear-gradient(145deg, #fffffff5, #ffffffc2), var(--card);border:1px solid var(--border);border-radius:32px;padding:clamp(24px,5vw,48px);box-shadow:0 24px 80px #1f93e81f,0 2px 12px #1118270a}.eyebrow{background:linear-gradient(90deg, var(--accent), var(--cyan), var(--magenta));color:#0000;letter-spacing:.12em;text-transform:uppercase;-webkit-background-clip:text;background-clip:text;margin:0 0 12px;font-size:.78rem;font-weight:800}h1,h2{margin:0;line-height:1.05}h1{font-size:clamp(2.5rem,7vw,5rem)}h2{font-size:clamp(1.8rem,4vw,3rem)}.question-prompt{font-size:clamp(1.35rem,2.6vw,2rem);line-height:1.18}p{color:var(--muted);line-height:1.7}.muted{color:var(--muted)}.stack{gap:20px;display:grid}.row{flex-wrap:wrap;align-items:center;gap:12px;display:flex}.input{border:1px solid var(--border);color:var(--foreground);background:#ffffffe6;border-radius:16px;width:100%;min-height:48px;padding:12px 14px;transition:border-color .16s,box-shadow .16s,transform .16s}.input:focus{border-color:#1f93e8b3;outline:none;box-shadow:0 0 0 4px #1f93e81f}.button{background:linear-gradient(135deg, var(--accent), var(--cyan));color:#fff;border:0;border-radius:999px;min-height:48px;padding:12px 22px;font-weight:800;transition:box-shadow .16s,transform .16s;box-shadow:0 14px 32px #1f93e842}.button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 18px 40px #1f93e852}.button.secondary{border:1px solid var(--border);color:var(--foreground);box-shadow:none;background:#ffffffb8}.brand-lockup{align-items:center;gap:16px;margin-bottom:8px;display:flex}.brand-logo{object-fit:contain;background:#fff;border-radius:22px;width:72px;height:72px;padding:8px;box-shadow:0 16px 36px #1f93e829}.meta-grid{grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:12px;display:grid}.question-nav-wrap{gap:10px;display:grid}.question-nav-header{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px 18px;display:flex}.question-nav-header .eyebrow,.question-nav-header .small{margin:0}.question-nav-list{grid-template-columns:repeat(auto-fit,minmax(32px,1fr));gap:8px;display:grid}.question-nav-item{color:var(--foreground);background:#e2e8f0d1;border:1px solid #0000;border-radius:999px;align-items:center;min-height:32px;padding:0 6px;font-size:.72rem;font-weight:700;transition:background .16s,box-shadow .16s,transform .16s;display:grid}.question-nav-item.is-answered{background:linear-gradient(135deg, var(--accent), var(--cyan));color:#fff}.question-nav-item.is-current{border-color:var(--accent-strong);transform:translateY(-1px);box-shadow:0 0 0 3px #1f93e82e}.legend-dot{border-radius:999px;width:10px;height:10px;margin:0 6px 0 14px;display:inline-block}.legend-dot:first-child{margin-left:0}.legend-dot.answered{background:linear-gradient(135deg, var(--accent), var(--cyan))}.legend-dot.unanswered{background:#cbd5e1}.meta-box{border:1px solid var(--border);background:linear-gradient(145deg,#ffffffe6,#e7f5ffc7);border-radius:22px;padding:14px}.meta-box strong{font-size:1.35rem;display:block}.answers{gap:10px;display:grid}.answer-option{border:1px solid var(--border);background:#ffffffe0;border-radius:18px;align-items:center;gap:10px;padding:14px;transition:border-color .16s,box-shadow .16s,transform .16s;display:flex}.answer-option:hover{border-color:#1f93e87a;transform:translateY(-1px);box-shadow:0 12px 28px #1f93e81a}.answer-option:has(input:checked){background:linear-gradient(135deg,#1f93e81f,#18c8df1f);border-color:#1f93e89e}.error{color:var(--danger);font-weight:700}.success{color:var(--success);font-weight:700}.small{font-size:.88rem}.gap-lg.stack{gap:28px}.card.flat{box-shadow:none;padding:16px 18px}.dialog-actions{flex-wrap:wrap;gap:12px;display:flex}.countdown-overlay{z-index:50;background:radial-gradient(circle at 28% 25%,#f6178338,#0000 20rem),radial-gradient(circle at 78% 18%,#18c8df47,#0000 22rem),#11182780;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.countdown-number{aspect-ratio:1;background:radial-gradient(circle at 28% 20%, var(--amber), transparent 34%), conic-gradient(from 20deg, var(--orange), var(--magenta), var(--violet), var(--accent), var(--cyan), var(--orange));color:#fff;text-shadow:0 3px 20px #00000042;border-radius:50%;justify-content:center;place-items:center;min-width:clamp(180px,40vw,280px);min-height:clamp(180px,40vw,280px);font-size:clamp(3rem,12vw,6rem);font-weight:900;animation:.75s countdown-pop;display:grid}@keyframes countdown-pop{0%{opacity:.6;transform:scale(.92)}to{opacity:1;transform:scale(1)}}.chart-wrap .chart-inner{width:100%;min-width:0;min-height:300px}.tooltip-body{gap:6px;max-width:320px;padding:2px;display:grid}.tooltip-detail{color:var(--foreground);font-size:.85rem;line-height:1.4}.tooltip-detail.muted{color:var(--muted)}.tag{letter-spacing:.06em;text-transform:uppercase;border-radius:999px;padding:4px 10px;font-size:.74rem;font-weight:800}.tag-correct{background:color-mix(in srgb, var(--success) 18%, transparent);color:var(--success)}.tag-incorrect{background:color-mix(in srgb, var(--danger) 18%, transparent);color:var(--danger)}.tag-skipped{background:color-mix(in srgb, var(--muted) 22%, transparent);color:var(--muted)}.result-detail-list{gap:14px;margin:0;padding:0;list-style:none;display:grid}.result-detail-head{flex-wrap:wrap;align-items:center;column-gap:12px;display:flex}.table-scroll{max-height:min(440px,60vh);overflow:auto}.data-table{border-collapse:collapse;min-width:100%}.data-table th,.data-table td{border-bottom:1px solid var(--border);text-align:left;padding:10px 12px}.data-table thead th{letter-spacing:.06em;text-transform:uppercase;font-size:.76rem}.dashboard-tabs{flex-wrap:wrap;gap:10px;margin-bottom:20px;display:flex}.dashboard-tabs button{border:1px solid var(--border);cursor:pointer;background:#ffffff9e;border-radius:999px;padding:8px 16px;font-weight:700;transition:background .16s,border-color .16s,color .16s}.dashboard-tabs button.is-active{border-color:var(--accent);color:var(--accent-strong);background:linear-gradient(135deg,#1f93e829,#18c8df2e)}.dashboard-chart-row{gap:24px;display:grid}@media (min-width:900px){.dashboard-chart-row{grid-template-columns:1fr 1fr}}.dashboard-select{width:100%;max-width:320px}.attempts-table{width:100%}.attempts-table tbody tr{cursor:pointer}.attempts-table tbody tr:hover{background:#1f93e814}.page-nav{flex-wrap:wrap;justify-content:flex-end;gap:14px;margin-bottom:16px;display:flex}.page-nav a{border:1px solid var(--border);color:var(--accent-strong);background:#ffffffb8;border-radius:999px;padding:8px 14px;font-weight:700;text-decoration:none}.page-nav a:hover{background:var(--accent-soft);text-decoration:none}