:root{color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:#0f0f0f;color:#fff;font-family:Roboto,Arial,sans-serif;-webkit-font-smoothing:antialiased;text-size-adjust:100%;-webkit-text-size-adjust:100%}#root,.app{min-height:100dvh;display:flex;flex-direction:column}.page{flex:1;width:100%;max-width:900px;margin:0 auto;padding:16px}.footer{color:#666;font-size:12px;text-align:center;padding:16px}.error-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;background:#3a1d1d;border:1px solid #5c2b2b;color:#ffb4a9;border-radius:8px;padding:12px 16px;margin-bottom:16px;font-size:14px}.retry-btn{flex:none;background:transparent;border:1px solid currentColor;color:inherit;border-radius:16px;padding:6px 14px;font:inherit;font-size:13px;cursor:pointer}.retry-btn:active{transform:scale(.96)}.vote-header{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:8px}.prompt{color:#aaa;font-size:14px}.progress-count{color:#aaa;font-size:13px;font-variant-numeric:tabular-nums}.progress-bar{height:3px;border-radius:2px;background:#272727;overflow:hidden;margin-bottom:16px}.progress-fill{height:100%;background:red;transition:width .3s ease}.pair{display:grid;grid-template-columns:1fr;gap:24px}@media (min-width: 768px){.pair{grid-template-columns:1fr 1fr;gap:24px;align-items:start}}.pair.submitting{opacity:.7;pointer-events:none}.card{display:block;width:100%;padding:0;border:0;margin:0;background:transparent;color:inherit;font:inherit;text-align:left;cursor:pointer;border-radius:12px;-webkit-tap-highlight-color:transparent;transition:transform .15s ease,opacity .15s ease}.card:disabled{cursor:default}.card:not(:disabled):active{transform:scale(.98)}.card.selected{animation:pick .15s ease}.card.selected .thumb-wrap{outline:3px solid #3ea6ff;outline-offset:-1px}.card.dimmed{opacity:.45}@keyframes pick{0%{transform:scale(1)}50%{transform:scale(.965)}to{transform:scale(1)}}.thumb-wrap{position:relative;aspect-ratio:16 / 9;width:100%;border-radius:12px;overflow:hidden;background:#272727}.thumb{display:block;width:100%;height:100%;object-fit:cover}.duration{position:absolute;right:8px;bottom:8px;background:#000c;color:#fff;font-size:12px;font-weight:500;line-height:1;padding:3px 4px;border-radius:4px}.card-meta{display:flex;align-items:flex-start;gap:12px;padding:12px 4px 0}.avatar{flex:none;width:36px;height:36px;border-radius:50%;object-fit:cover;background:#272727}.avatar-fallback{display:inline-flex;align-items:center;justify-content:center;color:#fff;font-size:16px;font-weight:500;-webkit-user-select:none;user-select:none}.card-text{min-width:0;flex:1}.card-title{margin:0;font-size:15px;font-weight:500;line-height:1.4;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;overflow-wrap:break-word}@media (min-width: 768px){.card-title{font-size:16px}}.card-sub{margin:2px 0 0;color:#aaa;font-size:13px;line-height:1.35;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.card-sub:first-of-type{margin-top:4px}.undo-row{display:flex;justify-content:center;align-items:center;margin-top:20px;min-height:44px}.undo-chip{position:relative;overflow:hidden;background:#272727;border:1px solid #3f3f3f;color:#f1f1f1;border-radius:18px;padding:9px 24px;font:inherit;font-size:14px;font-weight:500;cursor:pointer}.undo-chip:active{transform:scale(.96)}.undo-chip:after{content:"";position:absolute;left:0;bottom:0;height:2px;background:#3ea6ff;animation:undo-shrink 1.5s linear forwards}@keyframes undo-shrink{0%{width:100%}to{width:0%}}.saving-note{color:#aaa;font-size:13px}.skeleton{background:linear-gradient(90deg,#1f1f1f 25%,#2d2d2d,#1f1f1f 75%);background-size:200% 100%;animation:shimmer 1.2s ease-in-out infinite}.thumb-wrap.skeleton{border-radius:12px}.avatar.skeleton{border-radius:50%}.skeleton-line{height:14px;border-radius:4px;margin-top:6px}.skeleton-line:first-child{margin-top:2px}@keyframes shimmer{0%{background-position:200% 0}to{background-position:-200% 0}}.center-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px;min-height:60dvh;padding:24px 8px}.welcome-title{font-size:22px;font-weight:400;margin:0;line-height:1.35}.welcome-title strong{font-weight:700}.done-title{font-size:22px;font-weight:500;margin:8px 0 0}.context{color:#aaa;font-size:14px;margin:4px 0 0;max-width:46ch}.context.subtle{color:#777;font-size:13px}.note{color:#aaa;font-size:13px;background:#1f1f1f;border-radius:8px;padding:10px 14px;max-width:40ch;margin:4px 0}.link-btn{background:none;border:0;color:#3ea6ff;font:inherit;font-size:13px;cursor:pointer;padding:8px}.link-btn:active{opacity:.7}.btn-primary{margin-top:24px;width:100%;max-width:320px;background:#f1f1f1;color:#0f0f0f;border:0;border-radius:24px;padding:14px 32px;font:inherit;font-size:16px;font-weight:500;cursor:pointer;transition:transform .1s ease,opacity .15s ease}.btn-primary:active{transform:scale(.97)}.btn-primary:disabled{opacity:.6;cursor:default}.check-circle{display:flex;align-items:center;justify-content:center;width:64px;height:64px;border-radius:50%;background:#1f3d2b;color:#6fdd8b}code{background:#1f1f1f;border-radius:4px;padding:2px 6px;font-size:13px}.cohort-screen{display:flex;flex-direction:column;align-items:center;text-align:center;gap:4px;padding:24px 4px}.cohort-title{font-size:20px;font-weight:500;margin:0}.chip-section{width:100%;max-width:480px;margin-top:20px;text-align:left}.chip-label{color:#aaa;font-size:13px;margin:0 0 8px}.chip-group{display:flex;flex-wrap:wrap;gap:8px}.chip{background:#272727;border:1px solid transparent;color:#f1f1f1;border-radius:8px;padding:8px 12px;min-height:40px;font:inherit;font-size:14px;cursor:pointer;transition:background .1s ease,color .1s ease,transform .1s ease}.chip:active{transform:scale(.95)}.chip.selected{background:#f1f1f1;color:#0f0f0f}