:root{--bg: #0c0d16;--panel: #181a2c;--panel-2: #20233a;--line: #343a5c;--ink: #eef1ff;--muted: #8b93b8;--coral: #e2685a;--gold: #f6c453;--blue: #4d9de0;--teal: #4ec9b0;--shadow: #05060c;--pixel: ui-monospace, "SFMono-Regular", "Cascadia Mono", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;height:100%;background:var(--bg);color:var(--ink);font-family:var(--pixel);-webkit-text-size-adjust:100%;overscroll-behavior:none}#app{min-height:100dvh;display:grid;place-items:center;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);background:radial-gradient(120% 90% at 50% 0%,#1b1e38,#0c0d16 70%)}.stage-wrap{position:relative;width:min(100%,177.78dvh);aspect-ratio:16 / 9;overflow:hidden;background:#08090f;box-shadow:0 0 0 3px var(--line),8px 10px 0 0 var(--shadow),0 26px 60px #0009;image-rendering:pixelated}#stage{position:absolute;inset:0;width:100%;height:100%;display:block;image-rendering:pixelated}.crt{position:absolute;inset:0;pointer-events:none;background:repeating-linear-gradient(to bottom,rgba(0,0,0,.1) 0px,rgba(0,0,0,.1) 1px,transparent 1px,transparent 3px);mix-blend-mode:multiply;opacity:.5}.hidden{display:none!important}.hidden-video{position:fixed;width:2px;height:2px;opacity:0;pointer-events:none;left:-10px;top:-10px}button{font-family:inherit;cursor:pointer}.hud{position:absolute;inset:0 0 auto;padding:clamp(6px,1.6%,14px);display:flex;flex-direction:column;gap:6px;pointer-events:none}.hud-row{display:flex;gap:clamp(8px,2%,20px);align-items:flex-end;flex-wrap:wrap}.stat{background:#0c0d16b8;border:2px solid var(--line);box-shadow:3px 3px 0 0 var(--shadow);padding:3px 8px 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span{color:var(--blue)}.hud-bottom{justify-content:space-between;font-size:clamp(9px,1.2vw,13px);color:var(--muted)}.hud-bottom .gap{color:var(--teal);font-weight:700}.hud-bottom .gap.behind{color:var(--coral)}.pose-card{position:absolute;left:clamp(6px,1.4%,12px);bottom:clamp(6px,1.4%,12px);width:clamp(112px,22%,168px);background:#0c0d16d1;border:2px solid var(--line);box-shadow:4px 4px 0 0 var(--shadow);padding:4px}.pose-card canvas{display:block;width:100%;height:auto;border:1px solid var(--line);background:#0a0b12;image-rendering:pixelated;transform:scaleX(-1)}.pose-meta{display:flex;justify-content:space-between;align-items:center;margin-top:4px}.chip{font-size:clamp(9px,1.1vw,12px);font-weight:700;letter-spacing:.1em;padding:1px 6px;border:2px solid var(--line);background:#0d0e18;color:var(--muted)}.chip[data-pose=Up]{color:#0c0d16;background:var(--gold);border-color:var(--gold)}.chip[data-pose=Down]{color:#0c0d16;background:var(--teal);border-color:var(--teal)}.pose-fps{font-size:8px;color:var(--muted)}.pose-bars{display:flex;flex-direction:column;gap:2px;margin-top:4px}.pbar{position:relative;height:8px;background:#0a0b12;border:1px solid var(--line)}.pbar i{position:absolute;inset:0 auto 0 0;width:0%;background:var(--gold)}.pbar.down i{background:var(--teal)}.pbar span{position:absolute;right:2px;top:-1px;font-size:6px;color:var(--muted)}.flip{position:absolute;top:-13px;right:-6px;width:22px;height:22px;line-height:1;background:var(--panel-2);color:var(--ink);border:2px solid var(--line);box-shadow:2px 2px 0 0 var(--shadow);font-size:12px;padding:0}.countdown{position:absolute;inset:0;display:grid;place-content:center;text-align:center;pointer-events:none;background:#08090f59}.countdown-num{font-size:clamp(56px,12vw,140px);font-weight:700;line-height:1;color:var(--gold);text-shadow:0 6px 0 var(--shadow),0 0 24px rgba(246,196,83,.5);animation:pop .4s steps(3,end)}.countdown-hint{margin-top:10px;font-size:clamp(10px,1.5vw,15px);color:var(--ink);letter-spacing:.06em}@keyframes pop{0%{transform:scale(.4)}to{transform:scale(1)}}.screen{position:absolute;inset:0;display:grid;place-items:center;padding:clamp(10px,3%,28px);overflow:auto;background:#08090fc7;backdrop-filter:blur(2px)}.panel{width:min(560px,100%);background:var(--panel);border:3px solid var(--line);box-shadow:8px 10px 0 0 var(--shadow);padding:clamp(14px,3%,26px)}.brand h1{margin:0;font-size:clamp(30px,6vw,52px);letter-spacing:.04em;line-height:.95;text-shadow:3px 3px 0 var(--shadow)}.brand h1 span{color:var(--coral)}.brand p{margin:6px 0 0;color:var(--muted);font-size:clamp(10px,1.6vw,14px);letter-spacing:.08em}.how{display:flex;gap:8px;margin:clamp(14px,3%,22px) 0;flex-wrap:wrap}.how-item{flex:1 1 120px;display:flex;align-items:center;gap:8px;background:var(--panel-2);border:2px solid var(--line);padding:8px;font-size:clamp(9px,1.4vw,12px);color:var(--muted)}.how-item b{display:grid;place-items:center;width:20px;height:20px;flex:0 0 auto;background:var(--coral);color:#0c0d16;font-size:12px}.field{margin:4px 0 16px}.field-label{display:block;font-size:clamp(9px,1.3vw,11px);letter-spacing:.16em;color:var(--muted);margin-bottom:6px}.difficulty{display:flex;gap:8px}.diff{flex:1;display:flex;flex-direction:column;gap:3px;align-items:center;background:var(--panel-2);color:var(--muted);border:2px solid var(--line);box-shadow:3px 3px 0 0 var(--shadow);padding:9px 4px}.diff:hover{border-color:var(--muted)}.diff.selected{background:#262a45;color:var(--ink);border-color:var(--gold)}.diff.selected 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0;padding:0;display:grid;gap:3px}.scores-list li{display:flex;justify-content:space-between;font-size:clamp(10px,1.5vw,13px);background:var(--panel-2);border:1px solid var(--line);padding:4px 8px}.scores-list li.empty{color:var(--muted);justify-content:center}.scores-list li .gold{color:var(--gold)}.footnote{margin:16px 0 0;color:var(--muted);font-size:clamp(8px,1.2vw,11px);line-height:1.5}.credit{margin:14px 0 0;color:var(--muted);font-size:clamp(8px,1.2vw,11px);letter-spacing:.04em}.credit a{color:var(--blue);text-decoration:none}.credit a:hover{text-decoration:underline}.loading-panel{text-align:center}.loading-panel h2{margin:16px 0 6px;font-size:clamp(16px,2.6vw,22px);letter-spacing:.06em}.loading-panel p{margin:0;color:var(--muted);font-size:clamp(10px,1.5vw,13px)}.spinner{width:44px;height:44px;margin:0 auto;border:4px solid var(--line);border-top-color:var(--gold);animation:spin 1s steps(8,end) infinite}@keyframes spin{to{transform:rotate(360deg)}}.result-panel{text-align:center}.result-panel h2{margin:0;font-size:clamp(18px,3vw,26px);letter-spacing:.08em;color:var(--teal)}.result-panel h2.lost{color:var(--coral)}.result-time{font-size:clamp(40px,9vw,72px);font-weight:700;line-height:1.05;margin:6px 0 2px;text-shadow:3px 3px 0 var(--shadow)}.result-best{color:var(--gold);font-size:clamp(11px,1.8vw,15px);letter-spacing:.1em;margin:4px 0 0}.result-stats{display:grid;grid-template-columns:1fr 1fr;gap:6px;margin:16px 0;text-align:left}.result-stats>div{background:var(--panel-2);border:2px solid var(--line);padding:7px 10px}.result-stats dt{font-size:9px;letter-spacing:.12em;color:var(--muted)}.result-stats dd{margin:2px 0 0;font-size:clamp(12px,1.8vw,16px);font-weight:700}.result-actions{display:grid;gap:8px}.mute{position:absolute;top:8px;right:8px;width:30px;height:30px;padding:0;background:#0c0d16cc;color:var(--ink);border:2px solid var(--line);box-shadow:2px 2px 0 0 var(--shadow);font-size:14px}.mute.off{color:var(--muted)}.modal{position:fixed;inset:0;display:grid;place-items:center;background:#08090fcc;padding:20px;z-index:20}.modal-card{width:min(420px,100%);background:var(--panel);border:3px solid var(--coral);box-shadow:8px 10px 0 0 var(--shadow);padding:20px;text-align:center}.modal-card h3{margin:0 0 8px;color:var(--coral);letter-spacing:.06em}.modal-card p{margin:0 0 16px;color:var(--muted);font-size:12px;line-height:1.6;word-break:break-word}@media (max-width: 560px){.stat{min-width:48px;padding:2px 5px 3px}.result-stats{grid-template-columns:1fr}}