.demo{--d-bg:#f5f2e9;--d-surface:#fff;--d-chrome:#ede9dd;--d-text:#1c1c1e;--d-muted:#55534d;--d-border:#e0dbcd;--d-accent:#0f6b4f;--d-on-accent:#fff;--d-tint:#e3eee8;--d-strong:#1c1c1e;text-align:left;width:100%;max-width:920px;margin:0 auto}.demo[data-theme=charcoal]{--d-bg:#1c1c1e;--d-surface:#232326;--d-chrome:#2c2c30;--d-text:#eeede8;--d-muted:#a3a29c;--d-border:#3a3a40;--d-accent:#7fc8a4;--d-on-accent:#072f24;--d-tint:#7fc8a429;--d-strong:#eeede8}.demo-screen{cursor:default;-webkit-user-select:none;user-select:none;background:var(--d-surface);color:var(--d-text);border:1px solid var(--d-border);border-radius:16px;transition:background-color .3s,color .3s,border-color .3s;position:relative;overflow:hidden;box-shadow:0 30px 80px -36px #072f2473,0 2px 6px #0000000f}.demo-top{background:var(--d-chrome);border-bottom:2px dashed var(--d-border);grid-template-columns:1fr auto 1fr;align-items:center;padding:14px 22px;font-size:.85rem;display:grid}.demo-top strong{font-size:.95rem;display:block}.demo-top span{color:var(--d-muted)}.demo-time{font-variant-numeric:tabular-nums;font-size:1.2rem;font-weight:800}.demo-tools{justify-self:end;gap:18px;font-size:.78rem;display:flex}.demo-body{max-width:640px;min-height:330px;margin:0 auto;padding:22px 28px 24px}.demo-qhead{border-bottom:2px dashed var(--d-border);align-items:center;gap:12px;margin-bottom:16px;padding-bottom:10px;font-size:.85rem;display:flex}.demo-num{background:var(--d-strong);color:var(--d-surface);border-radius:3px;padding:2px 9px;font-weight:800}.demo-mark{font:inherit;color:var(--d-muted);background:0 0;border:0;border-radius:4px;align-items:center;gap:6px;padding:2px 4px;display:inline-flex}.demo-mark.on{color:var(--d-accent);font-weight:700}.demo-q{font-family:var(--font-reading);margin:0 0 16px;font-size:1.05rem;line-height:1.6}.demo-choices{gap:10px;margin:0;padding:0;list-style:none;display:grid}.demo-choices li{align-items:center;gap:10px;display:flex}.demo-choice{text-align:left;font:inherit;font-family:var(--font-reading);color:var(--d-text);background:var(--d-surface);border:1.5px solid var(--d-border);border-radius:10px;flex:1;align-items:center;gap:12px;padding:11px 14px;transition:border-color .2s,box-shadow .2s,background-color .2s,opacity .2s;display:flex}.demo-choice.on{border-color:var(--d-accent);box-shadow:0 0 0 1px var(--d-accent);background:var(--d-tint)}.demo-choice.crossed{opacity:.45}.demo-choice.crossed .demo-choice-text{text-decoration:line-through}.demo-letter{width:26px;height:26px;font-family:var(--font-ui);border:1.5px solid;border-radius:50%;flex:none;place-items:center;font-size:.8rem;font-weight:700;transition:background-color .2s,color .2s;display:grid}.demo-choice.on .demo-letter{background:var(--d-accent);border-color:var(--d-accent);color:var(--d-on-accent)}.demo-strike{border:1px solid var(--d-border);width:30px;height:30px;color:var(--d-muted);font:inherit;background:0 0;border-radius:50%;flex:none;font-size:.75rem;font-weight:700}.demo-review{text-align:center}.demo-review-title{font-family:var(--font-display);margin:8px 0 4px;font-size:1.5rem;font-weight:800}.demo-review-sub{color:var(--d-muted);margin:0 0 22px;font-size:.9rem}.demo-grid{grid-template-columns:repeat(6,44px);justify-content:center;gap:10px;display:grid}.demo-cell{border:1.5px dashed var(--d-muted);height:44px;color:var(--d-text);font:inherit;background:0 0;border-radius:4px;font-weight:700;position:relative}.demo-cell.answered{background:var(--d-accent);border:1.5px solid var(--d-accent);color:var(--d-on-accent)}.demo-cell.flagged:after{content:"";clip-path:polygon(0 0,100% 0,100% 100%,50% 75%,0 100%);background:#b3261e;border-radius:2px;width:12px;height:12px;position:absolute;top:-6px;right:-6px}.demo-bottom{background:var(--d-chrome);border-top:2px dashed var(--d-border);justify-content:space-between;align-items:center;gap:12px;padding:12px 22px;font-size:.85rem;display:flex}.demo-pill{background:var(--d-strong);color:var(--d-surface);border-radius:8px;padding:6px 14px;font-weight:700}.demo-nav{gap:8px;display:flex}.demo-btn{font:inherit;border:1.5px solid var(--d-accent);color:var(--d-accent);background:0 0;border-radius:999px;padding:7px 18px;font-weight:700}.demo-btn.primary{background:var(--d-accent);color:var(--d-on-accent)}.demo-controls{align-items:center;gap:14px;margin-top:14px;display:flex}.demo-play{cursor:pointer;background:var(--accent);width:40px;height:40px;color:var(--on-accent);border:0;border-radius:50%;flex:none;place-items:center;display:grid}.demo-play:hover{background:var(--accent-hover)}.demo-progress{background:var(--border);border-radius:4px;flex:1;height:4px;overflow:hidden}.demo-progress span{background:var(--accent);height:100%;transition:width .1s linear;display:block}.demo-theme{background:var(--surface);border:1px solid var(--border);border-radius:999px;padding:3px;display:inline-flex}.demo-theme button{font:inherit;color:var(--muted);cursor:pointer;background:0 0;border:0;border-radius:999px;padding:6px 14px;font-size:.85rem;font-weight:700}.demo-theme button[aria-pressed=true]{background:var(--emerald);color:var(--off-white)}.demo-controls button:focus-visible{outline:2px solid var(--accent);outline-offset:2px}.demo-pointer{z-index:2;pointer-events:none;opacity:0;width:0;height:0;transition:transform .7s cubic-bezier(.45,.05,.25,1);position:absolute;top:0;left:0}.demo-pointer svg{filter:drop-shadow(0 2px 3px #0000004d);position:absolute;top:-3px;left:-4px}.demo-pointer path{fill:#1c1c1e;stroke:#fff;stroke-width:1.4px;stroke-linejoin:round}.demo[data-theme=charcoal] .demo-pointer path{fill:#fff;stroke:#1c1c1e}.demo-ripple{border:2px solid var(--d-accent);background:color-mix(in srgb, var(--d-accent) 25%, transparent);border-radius:50%;width:28px;height:28px;animation:.5s ease-out forwards demo-ripple;position:absolute;top:-14px;left:-14px}@keyframes demo-ripple{0%{opacity:1;transform:scale(.3)}to{opacity:0;transform:scale(1.4)}}.demo-sr{clip:rect(0 0 0 0);white-space:nowrap;width:1px;height:1px;position:absolute;overflow:hidden}@media (prefers-reduced-motion:reduce){.demo-pointer{transition:none}.demo-ripple{opacity:0;animation:none}.demo-screen,.demo-choice,.demo-letter,.demo-progress span{transition:none}}@media (max-width:560px){.demo-top{padding:12px 14px}.demo-tools span:first-child{display:none}.demo-body{min-height:0;padding:18px 14px 20px}.demo-grid{grid-template-columns:repeat(4,44px)}.demo-bottom{padding:10px 14px}.demo-controls{gap:10px}.demo-theme button{padding:6px 10px}}.demo-strike,.demo-cell{place-items:center;display:inline-grid}.demo-btn,.demo-mark{align-items:center;display:inline-flex}