:root{--felt: #0f3d2e;--felt-dark: #0a2a20;--gold: #e7c66b;--card-bg: #f7f3e8;--hp: #d6453d}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:radial-gradient(ellipse at top,var(--felt) 0%,var(--felt-dark) 80%);color:#f3f3f0;-webkit-tap-highlight-color:transparent}.app{max-width:480px;margin:0 auto;padding:14px 12px 24px;display:flex;flex-direction:column;gap:12px;min-height:100%}.hud{display:flex;justify-content:space-between;align-items:flex-start}.boss-name{font-size:20px;font-weight:800;color:var(--gold);letter-spacing:.3px}.boss-restriction{font-size:12px;opacity:.75;margin-top:2px}.counters{font-size:13px;text-align:right}.counters b{font-size:18px;color:var(--gold)}.hp-bar{position:relative;height:22px;border-radius:11px;background:#00000059;overflow:hidden;border:1px solid rgba(255,255,255,.12)}.hp-fill{height:100%;background:linear-gradient(90deg,#f0786f,var(--hp));transition:width .32s cubic-bezier(.34,1.56,.64,1)}.hp-text{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;text-shadow:0 1px 2px rgba(0,0,0,.6)}.board{position:relative;margin:6px auto;width:100%}.card{position:absolute;width:64px;height:92px;border-radius:8px;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;-webkit-user-select:none;user-select:none;box-shadow:0 2px 6px #00000073;transition:transform .12s ease,box-shadow .12s ease}.card.face{background:var(--card-bg);color:#111;border:1px solid #d8d2bf}.card.back{background:repeating-linear-gradient(45deg,#285c8a,#285c8a 6px,#1e4a72 6px,#1e4a72 12px);border:1px solid #16395a}.card .red{color:#c5302a}.card .black{color:#1a1a1a}.card .depth{position:absolute;bottom:4px;right:5px;font-size:9px;font-weight:700;color:#8a6d1f;opacity:.8}.card.playable{cursor:pointer;outline:2px solid var(--gold)}.card.playable:hover{transform:translateY(-4px);box-shadow:0 8px 16px #00000080}.tray-area{margin-top:auto;display:flex;flex-direction:column;gap:10px}.hand-tray{min-height:78px;display:flex;align-items:center;gap:8px;padding:8px 10px;border-radius:12px;background:#00000040;border:1px dashed rgba(255,255,255,.18)}.tray-hint{font-size:13px;opacity:.6}.card.mini{position:relative;width:46px;height:64px;font-size:15px;cursor:pointer}.card.mini:hover{transform:translateY(-3px)}.action-row{display:flex;align-items:center;gap:12px}.preview{flex:1;display:flex;flex-direction:column;font-size:13px}.preview b{color:var(--gold);font-size:15px}.preview-score{opacity:.85}.preview-empty{opacity:.4}.btn{border:none;border-radius:10px;padding:12px 18px;font-size:15px;font-weight:800;cursor:pointer}.btn.primary{background:var(--gold);color:#2a2204}.btn.primary:disabled{opacity:.4;cursor:not-allowed}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;padding:20px}.overlay-card{background:var(--felt-dark);border:1px solid var(--gold);border-radius:16px;padding:28px 24px;text-align:center;max-width:340px}.overlay-card h1{margin:0 0 8px;color:var(--gold)}.overlay-card p{margin:0 0 20px;opacity:.85;font-size:14px}