:root{--bg: #0c1020;--panel: #141a2e;--muted: #8b96b5;--fg: #e9eefb;--accent: #ffce4d;--accent2: #5ad6ff;color-scheme:dark}*{box-sizing:border-box}html,body{margin:0;background:var(--bg);color:var(--fg);font-family:Segoe UI,system-ui,sans-serif}#app{display:flex;justify-content:center;padding:16px}.wrap{width:100%;max-width:680px}header h1{margin:0;font-size:1.9rem;letter-spacing:.12em;color:var(--accent);text-shadow:0 0 14px rgba(255,206,77,.3)}.tag{margin:4px 0 12px;font-size:.8rem;color:var(--muted);line-height:1.4}.bar{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}.seg{display:inline-flex;border:1px solid #2a3350;border-radius:8px;overflow:hidden}.seg button{background:transparent;color:var(--muted);border:0;padding:6px 14px;font-size:.78rem;cursor:pointer}.seg button.active{background:var(--accent2);color:#04121c;font-weight:700}.diff{font-size:.72rem;color:var(--muted)}.diff select{background:var(--panel);color:var(--fg);border:1px solid #2a3350;border-radius:6px;padding:4px 6px}.spacer{flex:1}button.primary{background:var(--accent);color:#1a1300;border:0;border-radius:8px;padding:8px 16px;font-weight:700;cursor:pointer}button.primary:hover{filter:brightness(1.08)}.hud{display:grid;grid-template-columns:repeat(6,1fr);gap:8px;margin-bottom:10px}.box{background:var(--panel);border:1px solid #222c47;border-radius:8px;padding:6px 8px;text-align:center}.box .k{font-size:.62rem;color:var(--muted);text-transform:uppercase;letter-spacing:.06em}.box b{font-size:1.05rem}.stage{position:relative;border-radius:10px;overflow:hidden;border:1px solid #222c47;background:#000}canvas{display:block;width:100%;height:auto;image-rendering:pixelated}.overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:#060912b8}.overlay.hidden{display:none}.card{background:var(--panel);border:1px solid #2a3350;border-radius:12px;padding:22px 26px;text-align:center;max-width:320px}.card h2{margin:0 0 8px;color:var(--accent)}.card p{font-size:.86rem;color:var(--fg);margin:0 0 16px}.hint{margin-top:10px;font-size:.74rem;color:var(--muted);line-height:1.5}