:root{--bg: #070b16;--bg2: #0d1426;--panel: rgba(14, 20, 38, .82);--panel-solid: #0e1426;--stroke: rgba(120, 170, 255, .18);--accent: #5fd0ff;--accent2: #6fe3a0;--warn: #ffb454;--danger: #ff6b6b;--text: #e8eefc;--muted: #93a2c4;--radius: 14px;--shadow: 0 10px 40px rgba(0, 0, 0, .5);font-family:Inter,system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;height:100%;background:var(--bg);color:var(--text);overflow:hidden;overscroll-behavior:none}#app{position:fixed;inset:0}button{font-family:inherit;cursor:pointer}canvas{display:block;touch-action:none;position:absolute;inset:0}.lock-hint{position:absolute;left:50%;top:60%;transform:translate(-50%,-50%);padding:12px 22px;border-radius:12px;background:var(--panel);border:1px solid var(--stroke);color:var(--text);font-size:15px;pointer-events:none;backdrop-filter:blur(8px);text-align:center;box-shadow:var(--shadow);animation:toastIn .25s ease}.lock-hint 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