: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}html,body,#root{margin:0;min-height:100vh;background:#1a1a2e;color:#fafafa;overflow:hidden}.game-container{position:relative;width:100vw;height:100vh;overflow:hidden;cursor:crosshair;user-select:none;-webkit-user-select:none}.game-canvas{display:block;width:100%;height:100%}.hud{position:absolute;top:0;left:0;right:0;display:flex;justify-content:space-between;align-items:flex-start;padding:16px 24px;pointer-events:none}.hud-left,.hud-right,.hud-center{display:flex;flex-direction:column;gap:4px}.hud-center{align-items:center}.hud-label{font-size:.7rem;text-transform:uppercase;letter-spacing:.15em;color:#ffffff80}.hud-value{font-size:1.6rem;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}.hud-value.score{color:#ffb347}.hud-value.combo{color:#ff6b6b}.message-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;flex-direction:column;align-items:center;justify-content:center;background:#000000b3;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);z-index:10}.message-overlay h1{font-size:2.5rem;margin:0 0 8px;background:linear-gradient(135deg,#ffb347,#ff6b35);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}.message-overlay h2{font-size:1.6rem;margin:0 0 12px;color:#ffb347}.message-overlay p{margin:0 0 24px;color:#ffffffb3;font-size:1rem;text-align:center;max-width:400px}.message-overlay .final-score{font-size:3rem;font-weight:800;color:#ffb347;margin-bottom:8px}.btn{pointer-events:auto;padding:12px 32px;border:none;border-radius:8px;font-size:1rem;font-weight:600;cursor:pointer;background:linear-gradient(135deg,#ff6b35,#ffb347);color:#1a1a2e;transition:transform .15s,box-shadow .15s}.btn:hover{transform:translateY(-2px);box-shadow:0 4px 20px #ff6b3566}.btn:active{transform:translateY(0)}.toss-info{position:absolute;bottom:24px;left:50%;transform:translate(-50%);text-align:center;pointer-events:none;color:#fff9;font-size:.85rem}.toss-info kbd{display:inline-block;padding:2px 8px;border-radius:4px;background:#ffffff1a;border:1px solid rgba(255,255,255,.2);font-family:inherit;font-size:.8rem;margin:0 2px}.power-bar-container{position:absolute;bottom:60px;left:50%;transform:translate(-50%);width:200px;height:12px;background:#ffffff1a;border-radius:6px;overflow:hidden;pointer-events:none;border:1px solid rgba(255,255,255,.15)}.power-bar-fill{height:100%;border-radius:6px;background:linear-gradient(90deg,#4ade80,#fbbf24,#ef4444);transition:width .05s}