:root{--bg-color: #121212;--pad-inactive: #2b2b2b;--pad-hover: #3a3a3a;--pad-text: #888;--neon-glow: rgba(0, 243, 255, .6);--neon-1: #00f3ff;--neon-2: #ff00ff;--neon-3: #39ff14;--neon-4: #fffd00;--neon-5: #fe0000}body{margin:0;padding:0;background-color:var(--bg-color);color:#fff;font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.container{max-width:1000px;margin:0 auto;padding:40px 20px;display:flex;flex-direction:column;align-items:center}.header{width:100%;margin-bottom:40px;text-align:center;border-bottom:1px solid #333;padding-bottom:20px}.header h1{font-size:2.5rem;font-weight:800;letter-spacing:-1px;margin:0 0 20px;background:linear-gradient(90deg,#fff,var(--pad-text));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.options{display:flex;gap:20px;justify-content:center;align-items:center}.checkbox-container{display:flex;align-items:center;gap:10px;cursor:pointer;font-size:.9rem;color:var(--pad-text);-webkit-user-select:none;user-select:none}.checkbox-container input{accent-color:var(--neon-color);width:16px;height:16px}.grid-container{display:grid;grid-template-columns:repeat(auto-fill,minmax(110px,1fr));gap:12px;width:100%;padding:20px;background:#1a1a1a;border-radius:12px;box-shadow:0 20px 50px #00000080}.pad-button{background-color:var(--pad-inactive);color:var(--pad-text);border:none;border-radius:6px;aspect-ratio:1 / 1;width:100%;display:flex;align-items:center;justify-content:center;font-size:.8rem;font-weight:600;text-transform:uppercase;letter-spacing:.5px;cursor:pointer;transition:all .15s ease-out;box-shadow:inset 0 0 10px #0000004d}.pad-button span{padding:5px;pointer-events:none}.pad-button:hover{background-color:var(--pad-hover);color:#fff;transform:scale(1.02)}.pad-button.color-0{--neon-color: var(--neon-1);--neon-glow: rgba(0, 243, 255, .6)}.pad-button.color-1{--neon-color: var(--neon-2);--neon-glow: rgba(255, 0, 255, .6)}.pad-button.color-2{--neon-color: var(--neon-3);--neon-glow: rgba(57, 255, 20, .6)}.pad-button.color-3{--neon-color: var(--neon-4);--neon-glow: rgba(255, 253, 0, .6)}.pad-button.color-4{--neon-color: var(--neon-5);--neon-glow: rgba(254, 0, 0, .6)}.pad-button.active{background-color:var(--neon-color);color:#121212;box-shadow:0 0 15px var(--neon-glow),0 0 30px var(--neon-glow),inset 0 0 5px #ffffff80;transform:scale(.98);border:1px solid white}.pad-button:active{transform:scale(.95)}.action-button{aspect-ratio:auto;height:auto;width:auto;min-width:120px;padding:12px 24px;display:inline-flex;justify-content:center;align-items:center}