:root{--text:#6b6375;--text-h:#08060d;--bg:#fff;--border:#e5e4e7;--code-bg:#f4f3ec;--accent:#aa3bff;--accent-bg:#aa3bff1a;--accent-border:#aa3bff80;--social-bg:#f4f3ec80;--shadow:#0000001a 0 10px 15px -3px, #0000000d 0 4px 6px -2px;--sans:system-ui, "Segoe UI", Roboto, sans-serif;--heading:system-ui, "Segoe UI", Roboto, sans-serif;--mono:ui-monospace, Consolas, monospace;font:18px/145% var(--sans);letter-spacing:.18px;--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;color:var(--text);background:var(--bg);font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial}}@media (width<=1024px){:root{font-size:16px}}@media (prefers-color-scheme:dark){:root{--text:#9ca3af;--text-h:#f3f4f6;--bg:#16171d;--border:#2e303a;--code-bg:#1f2028;--accent:#c084fc;--accent-bg:#c084fc26;--accent-border:#c084fc80;--social-bg:#2f303a80;--shadow:#0006 0 10px 15px -3px, #00000040 0 4px 6px -2px}#social .button-icon{filter:invert()brightness(2)}}body{margin:0}#root{text-align:center;border-inline:1px solid var(--border);box-sizing:border-box;flex-direction:column;width:1126px;max-width:100%;min-height:100svh;margin:0 auto;display:flex}h1,h2{font-family:var(--heading);color:var(--text-h);font-weight:500}h1{letter-spacing:-1.68px;margin:32px 0;font-size:56px}@media (width<=1024px){h1{margin:20px 0;font-size:36px}}h2{letter-spacing:-.24px;margin:0 0 8px;font-size:24px;line-height:118%}@media (width<=1024px){h2{font-size:20px}}p{margin:0}code,.counter{font-family:var(--mono);color:var(--text-h);border-radius:4px;display:inline-flex}code{background:var(--code-bg);padding:4px 8px;font-size:15px;line-height:135%}:root{--main-bg-color:#282c34;--snake-color:#4caf50;--snake-border:#2e7d32;--food-color:#f44336;--text-color:white;--board-bg-color:#000;--board-border:#555;--game-over-bg-color:#000c}.game-container{background-color:var(--main-bg-color);min-height:100vh;color:var(--text-color);flex-direction:column;align-items:center;font-family:Arial,sans-serif;display:flex;position:relative}.status-row{flex-wrap:wrap;justify-content:center;align-items:center;gap:24px;display:flex}.score-board{align-items:center;gap:24px;display:flex}.snake-controls{flex-direction:column;align-items:center;gap:8px;display:flex}.color-options{gap:8px;display:flex}.color-options button{cursor:pointer;border:2px solid #fff;border-radius:50%;width:32px;height:32px;transition:transform .2s}.color-options button.active{transform:scale(1.1);box-shadow:0 0 0 4px #ffffff4d}.board{background-color:var(--board-bg-color);border:5px solid var(--board-border);margin-top:20px;position:relative}.score-board{text-align:left;flex-direction:column;gap:10px;display:flex}.game-info{text-align:left;color:#dcdcdc}.snake-segment{border:1px solid var(--snake-border);width:20px;height:20px;position:absolute}.food{border-radius:50%;width:20px;height:20px;position:absolute}.bonus{border-radius:50%;width:18px;height:18px;position:absolute}.enemy{background-color:#d32f2f;border:2px solid #b71c1c;border-radius:4px;width:20px;height:20px;position:absolute;box-shadow:0 0 10px #d32f2fa6}.wall{background-color:#8d6e63;border:1px solid #5d4037;border-radius:4px;width:20px;height:20px;position:absolute}.tunnel{background:#2196f359;border:1px dashed #29b6f6;border-radius:50%;width:20px;height:20px;position:absolute;box-shadow:0 0 10px #2196f373}.start-tabs{justify-content:center;gap:10px;margin-bottom:18px;display:flex}.tab{color:#fff;cursor:pointer;background:0 0;border:1px solid #666;border-radius:999px;padding:8px 14px;transition:background 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button{min-width:120px}.game-over{text-align:center;background:var(--game-over-bg-color);border-radius:10px;padding:20px;position:absolute;top:50%;left:50%;transform:translate(-50%,-50%)}.start-screen,.overlay-screen{z-index:10;background:#000000bf;justify-content:center;align-items:center;display:flex;position:fixed;inset:0}.start-card,.overlay-card{color:#fff;background:#121827;border:2px solid #444;border-radius:16px;width:min(420px,100% - 32px);padding:24px;box-shadow:0 16px 40px #00000073}.start-card h2,.overlay-card h2{margin-top:0}.start-card label,.setting-group{margin-top:16px;display:block}.start-card input{color:#fff;background:#161b2c;border:1px solid #555;border-radius:8px;width:100%;margin-top:8px;padding:10px 12px}.radio-options,.color-options{flex-wrap:wrap;gap:10px;margin-top:8px;display:flex}.color-options button,.radio-options label{cursor:pointer}.primary-button,.overlay-card button{color:#fff;cursor:pointer;background:#4caf50;border:none;border-radius:10px;margin-top:18px;padding:12px 18px}.primary-button:disabled{opacity:.5;cursor:not-allowed}.hint{color:#b0b0b0;margin-top:16px;font-size:.95rem}