*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg: #0f172a;--card: #1e293b;--border: #334155;--text: #f1f5f9;--muted: #94a3b8;--accent: #3b82f6}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);font-family:Inter,system-ui,-apple-system,sans-serif;-webkit-font-smoothing:antialiased}.game-root{min-height:100%;display:flex;align-items:center;justify-content:center;padding:1.5rem}.game-card{background:var(--card);border:1px solid var(--border);border-radius:1.25rem;padding:2rem 1.75rem;width:100%;max-width:380px;display:flex;flex-direction:column;align-items:center;gap:1.25rem}.game-header{display:flex;align-items:center;justify-content:space-between;width:100%}.stat{display:flex;flex-direction:column;align-items:center;gap:.15rem}.stat-label{font-size:.65rem;text-transform:uppercase;letter-spacing:.08em;color:var(--muted)}.stat-value{font-size:1.25rem;font-weight:700;font-variant-numeric:tabular-nums}.round-badge{background:var(--accent);color:#fff;font-size:.75rem;font-weight:600;padding:.25rem .75rem;border-radius:999px}.battery-wrap{display:flex;flex-direction:column;align-items:center}.battery-body{width:100px;height:200px;border:3px solid var(--border);border-radius:12px;position:relative;overflow:hidden;background:#0f172a}.battery-fill{position:absolute;bottom:0;left:0;right:0;transition:height .05s linear;border-radius:0 0 9px 9px}.battery-percent{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:1.5rem;font-weight:800;text-shadow:0 1px 4px rgba(0,0,0,.6);z-index:2}.explosion-overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:4rem;background:#ef444466;animation:shake .3s ease-in-out;z-index:3}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-6px)}75%{transform:translate(6px)}}.battery-tip{width:30px;height:10px;background:var(--border);border-radius:0 0 4px 4px}.zone-bar{display:flex;width:100%;height:8px;border-radius:999px;overflow:hidden;gap:2px}.zone-segment{flex:1;opacity:.35;transition:opacity .15s,transform .15s;border-radius:999px}.zone-segment.active{opacity:1;transform:scaleY(1.4)}.status-area{text-align:center;min-height:80px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.5rem}.status-text{font-size:.95rem;font-weight:600}.pulse{animation:pulse .6s ease-in-out infinite alternate}@keyframes pulse{0%{opacity:.7}to{opacity:1}}.overcharge-text{color:#ef4444;font-size:1.1rem;animation:shake .3s ease-in-out}.result-label{font-size:1.3rem;font-weight:800}.final-label{color:var(--accent)}.result-score{font-size:1rem;color:var(--muted)}.btn{border:none;padding:.5rem 1.5rem;border-radius:8px;font-size:.9rem;font-weight:600;cursor:pointer;transition:transform .1s,filter .15s}.btn:hover{filter:brightness(1.15)}.btn:active{transform:scale(.96)}.next-btn{background:var(--accent);color:#fff}.restart-btn{background:#10b981;color:#fff}.charge-btn{width:100%;padding:1rem;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;background:var(--accent);color:#fff;transition:transform .1s,box-shadow .15s;user-select:none;-webkit-user-select:none;touch-action:manipulation}.charge-btn:hover{box-shadow:0 0 20px #3b82f666}.charge-btn:active{transform:scale(.97)}.charge-btn.charging{background:#2563eb;animation:chargePulse .4s ease-in-out infinite alternate}@keyframes chargePulse{0%{box-shadow:0 0 10px #3b82f64d}to{box-shadow:0 0 30px #3b82f699}}.legend{display:flex;flex-wrap:wrap;gap:.35rem 1rem;justify-content:center;width:100%;padding-top:.5rem;border-top:1px solid var(--border)}.legend-row{display:flex;align-items:center;gap:.35rem;font-size:.7rem;color:var(--muted)}.legend-swatch{width:8px;height:8px;border-radius:2px;flex-shrink:0}.legend-label{min-width:40px}.legend-pts{font-weight:600;color:var(--text)}