:root{color-scheme:dark;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}html,body,#root{min-height:100vh;background:#0a0a0a;color:#fafafa}.game-wrapper{display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:100vh;padding:1.5rem;gap:1.25rem}.title{font-size:1.6rem;font-weight:700;letter-spacing:.25em;text-transform:uppercase;background:linear-gradient(135deg,#00d4ff,#a78bfa,#f43f5e);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.game-container{display:flex;gap:1.5rem;align-items:flex-start}.board-frame{position:relative;border:2px solid rgba(255,255,255,.12);border-radius:.5rem;padding:4px;background:#ffffff05;box-shadow:0 0 40px #0009,inset 0 0 30px #0000004d}.board{display:grid;gap:1px;background:#ffffff08}.cell{width:100%;height:100%;border-radius:3px;background:#ffffff04;transition:none}.cell.ghost{background:#ffffff0f;border:1px dashed rgba(255,255,255,.15)}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1rem;background:#000000d1;border-radius:.4rem;z-index:10}.btn{padding:.75rem 2rem;font-size:1rem;font-weight:700;letter-spacing:.15em;text-transform:uppercase;border:none;border-radius:.5rem;cursor:pointer;background:linear-gradient(135deg,#00d4ff,#a78bfa);color:#000;transition:transform .1s,box-shadow .2s}.btn:hover{transform:scale(1.04);box-shadow:0 0 20px #00d4ff66}.btn:active{transform:scale(.97)}.hint{font-size:.75rem;color:#ffffff73;text-align:center;max-width:200px}.game-over-text{font-size:1.6rem;font-weight:800;letter-spacing:.2em;color:#f43f5e}.final-score{font-size:1.1rem;color:#ffffffb3}.side-panel{display:flex;flex-direction:column;gap:1.25rem;min-width:130px}.panel-section{display:flex;flex-direction:column;gap:.25rem}.panel-label{font-size:.65rem;font-weight:600;letter-spacing:.2em;text-transform:uppercase;color:#ffffff59}.panel-value{font-size:1.5rem;font-weight:700;font-variant-numeric:tabular-nums;color:#fafafa}.next-preview{background:#ffffff08;border:1px solid rgba(255,255,255,.08);border-radius:.4rem;padding:.75rem;display:flex;align-items:center;justify-content:center}.next-grid{display:grid;gap:2px}.controls-info{display:flex;flex-direction:column;gap:.3rem;margin-top:.5rem}.control-row{font-size:.75rem;color:#ffffff73;display:flex;align-items:center;gap:.5rem}.control-row kbd{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.65rem;background:#ffffff14;border:1px solid rgba(255,255,255,.12);border-radius:3px;padding:.1rem .35rem;min-width:2.5rem;text-align:center}