:root{color-scheme:dark;--bg: #0c1b2a;--text: #eaf1f7;--muted: #9fb2c0;--border: #1c3346;--panel: #102536;--track: #1c3346;--marker: #f0892a;--error: #e2574a}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;min-height:100dvh;display:flex;align-items:flex-start;justify-content:center}.shell{width:100%;max-width:460px;padding:16px 14px 24px;padding-bottom:max(24px,env(safe-area-inset-bottom))}.hud{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}.hud .title{flex-shrink:0;font-size:17px;font-weight:700}.hud .status{flex:1;text-align:right;margin-right:4px;font-size:11px;color:var(--muted);font-variant-numeric:tabular-nums}.status.error{color:var(--error)}.icon-btn{background:var(--panel);border:1px solid var(--border);color:var(--text);width:40px;height:40px;border-radius:8px;font-size:16px;line-height:1;cursor:pointer;flex-shrink:0;display:inline-flex;align-items:center;justify-content:center}.icon-btn:hover,.icon-btn[aria-expanded=true],.icon-btn[aria-pressed=true]{background:var(--track)}.canvas-wrap{position:relative;display:flex;justify-content:center}canvas{width:100%;max-width:360px;height:auto;aspect-ratio:308 / 530;background:var(--panel);border:1px solid var(--border);border-radius:10px;display:block;image-rendering:pixelated;touch-action:manipulation}.pause-overlay{position:absolute;top:0;right:0;bottom:0;left:0;border:none;border-radius:10px;background:#08121c99;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;font-family:inherit;padding:0;backdrop-filter:blur(2px);-webkit-backdrop-filter:blur(2px)}.pause-overlay[hidden]{display:none}.pause-content{text-align:center;font-weight:600}.pause-icon{font-size:52px;line-height:1;margin-bottom:6px}.pause-label{font-size:17px;letter-spacing:.04em;text-transform:uppercase}.pause-hint{font-size:12px;font-weight:400;margin-top:4px;opacity:.8}.menu{position:absolute;top:56px;right:14px;width:320px;max-width:calc(100vw - 28px);background:var(--panel);border:1px solid var(--border);border-radius:12px;padding:16px;z-index:50;box-shadow:0 12px 28px #00000073}.menu[hidden]{display:none}.menu-section{margin-bottom:16px}.menu-section:last-child{margin-bottom:0}.menu h3{margin:0 0 8px;font-size:11px;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.menu-note{margin:6px 0 0;font-size:11px;color:var(--muted)}.menu-body{margin:0 0 8px;font-size:12px;color:var(--muted);line-height:1.5}.menu-body:last-child{margin-bottom:0}.menu-credit{font-size:11px;opacity:.85}.menu-links{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.menu-links a{color:var(--text);text-decoration:none;border-bottom:1px solid var(--border)}.menu-links a:hover{border-bottom-color:var(--text)}.menu-toggle{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text);cursor:pointer}.menu-toggle input{width:16px;height:16px;accent-color:var(--marker)}.menu-action{width:100%;padding:8px 12px;background:var(--bg);color:var(--text);border:1px solid var(--border);border-radius:7px;font-size:13px;font-family:inherit;cursor:pointer}.menu-action:hover{background:var(--track)}.share-bar{display:flex;align-items:center;gap:10px;margin-top:12px;flex-wrap:wrap}.share-bar[hidden]{display:none}.share-btn{background:var(--panel);border:1px solid var(--border);color:var(--text);padding:8px 14px;border-radius:8px;font-size:13px;font-family:inherit;cursor:pointer}.share-btn:hover:not(:disabled){background:var(--track)}.share-btn.primary{background:var(--marker);border-color:var(--marker);color:#1a1206;font-weight:700}.share-btn.primary:hover:not(:disabled){filter:brightness(1.06)}.share-btn:disabled{opacity:.6;cursor:default}.share-status{font-size:12px;color:var(--muted);font-variant-numeric:tabular-nums;min-height:14px}.difficulty{display:flex;align-items:center;justify-content:center;gap:10px;margin-top:12px}.difficulty[hidden]{display:none}.diff-label{font-size:11px;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.diff-seg{display:inline-flex;border:1px solid var(--border);border-radius:8px;overflow:hidden}.diff-btn{background:var(--panel);color:var(--text);border:none;border-right:1px solid var(--border);padding:7px 16px;font-size:13px;font-family:inherit;cursor:pointer}.diff-btn:last-child{border-right:none}.diff-btn[aria-pressed=true]{background:var(--marker);color:#1a1206;font-weight:700}.diff-btn:hover:not([aria-pressed=true]){background:var(--track)}.dpad{display:flex;flex-direction:column;align-items:center;gap:8px;margin:16px auto 0;touch-action:manipulation}.dpad-row{display:flex;gap:16px;justify-content:center}.dpad-btn{width:min(72px,22vw);height:58px;background:var(--panel);border:1px solid var(--border);color:var(--text);border-radius:12px;font-size:22px;line-height:1;display:flex;align-items:center;justify-content:center;cursor:pointer;user-select:none;-webkit-user-select:none;-webkit-tap-highlight-color:transparent}.dpad-btn:active{background:var(--marker);color:#1a1206}.dpad-down{height:44px;opacity:.9}.hint{font-size:11px;color:var(--muted);opacity:.75;text-align:center;margin:12px 0 0}@media (max-width: 600px){.hud .title{font-size:15px}.dpad-row{gap:12px}}@media (orientation: landscape) and (max-height: 560px){body{align-items:stretch}.shell{max-width:100%;padding:8px 12px}.hud{margin-bottom:6px}canvas{max-width:none;height:calc(100dvh - 120px);width:auto}.dpad{margin-top:8px}.dpad-btn{width:min(60px,16vw);height:44px}.dpad-down{height:34px}.hint{display:none}}