:root{font-family:Inter,system-ui,Avenir,Helvetica,Arial,sans-serif;line-height:1.5;font-weight:400;color-scheme:light dark;color:#ffffffde;background-color:#0f172a;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{margin:0;display:flex;place-items:center;min-width:320px;min-height:100vh;background:linear-gradient(135deg,#0f172a,#1e1b4b);color:#fff}*{box-sizing:border-box}h1{font-size:3.2em;line-height:1.1;background:-webkit-linear-gradient(45deg,#0ea5e9,#8b5cf6);background:linear-gradient(45deg,#0ea5e9,#8b5cf6);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;margin-bottom:.5rem}button{border-radius:8px;border:1px solid transparent;padding:10px 20px;font-size:1.1em;font-weight:600;font-family:inherit;background-color:#3b82f6;color:#fff;cursor:pointer;transition:all .25s;box-shadow:0 4px 14px #0076ff63}button:hover{background-color:#2563eb;transform:translateY(-2px);box-shadow:0 6px 20px #0076ff3b}button:focus,button:focus-visible{outline:4px auto -webkit-focus-ring-color}.card{padding:2em;background:#ffffff0d;border-radius:20px;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.1);box-shadow:0 8px 32px #1f26875e;display:flex;flex-direction:column;gap:15px}.App{max-width:1200px;margin:0 auto;padding:2rem;text-align:center;position:relative;width:100%}.level-button{background:#ffffff1a;border:1px solid rgba(255,255,255,.2);display:flex;align-items:center;justify-content:center;gap:10px;width:100%;padding:15px;font-size:1.2rem;box-shadow:none}.level-button:hover{background:#fff3;transform:scale(1.02);box-shadow:0 4px 15px #ffffff1a}.hud{position:fixed;top:20px;left:20px;right:20px;display:flex;justify-content:space-between;z-index:100;pointer-events:none}.hud button{pointer-events:auto}.hud-item{background:#00000080;padding:10px 20px;border-radius:20px;font-size:1.5rem;font-weight:700;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px);border:1px solid rgba(255,255,255,.1)}.game-container{position:fixed;top:0;left:0;width:100vw;height:100vh;margin:0;border-radius:0;overflow:hidden;background:#000;z-index:5}.game-container video{position:absolute;top:0;left:0;width:100%;height:100%;object-fit:cover;transform:scaleX(-1);z-index:1}.game-container canvas{position:absolute;top:0;left:0;width:100%;height:100%;z-index:2;transform:scaleX(-1)}