:root{color-scheme:dark;--fg: #c0c4cc;--muted: #5a6172}*{margin:0;padding:0;box-sizing:border-box}html,body{height:100%;overflow:hidden;background:#0f1115;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;overscroll-behavior:none}#stage{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none}#ui{position:fixed;left:0;right:0;bottom:max(18px,env(safe-area-inset-bottom));display:flex;flex-direction:column;align-items:center;gap:14px;pointer-events:none}.count{display:flex;gap:8px;padding:6px;border-radius:999px;background:#ffffff0a;border:1px solid rgba(255,255,255,.06);-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);pointer-events:auto}.count button{width:40px;height:40px;border-radius:999px;border:none;background:transparent;color:var(--muted);font-size:16px;font-variant-numeric:tabular-nums;cursor:pointer;transition:color .15s,background .15s}.count button:hover{color:var(--fg)}.count button.on{background:#ffffff1a;color:#fff}.hint{color:var(--muted);font-size:13px;letter-spacing:.02em;transition:opacity .6s}.hint.gone{opacity:0}