:root{color:#e9edf4;background:#070b16;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;--panel: rgba(20, 26, 46, .78);--panel-strong: rgba(20, 26, 46, .92);--border: rgba(255, 255, 255, .12);--text-soft: rgba(233, 237, 244, .78);--accent: #6cf2d3;--accent-2: #f6c35c;--danger: #ff6a6a}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh}button,input{font:inherit}button{border:0;background:transparent;color:inherit;padding:0}input{width:100%;border:1px solid var(--border);border-radius:14px;background:#050a18b3;color:#fff;min-height:48px;padding:0 14px;outline:none}input:focus{border-color:#6cf2d38c;box-shadow:0 0 0 4px #6cf2d31f}.btn{border:0;border-radius:14px;background:linear-gradient(135deg,#6cf2d3f2,#649cfff2);color:#06101c;cursor:pointer;font-weight:900;letter-spacing:.4px;min-height:48px;padding:0 18px}.btn.secondary{background:#e9edf41f;color:#fff}.btn:disabled{cursor:not-allowed;opacity:.6}.game-root{position:relative;width:min(1180px,calc(100% - 32px));margin:0 auto;padding:22px 0 40px;min-height:100vh}.sky{position:fixed;inset:0;background:radial-gradient(circle at 20% 10%,rgba(100,156,255,.28),transparent 46%),radial-gradient(circle at 80% 20%,rgba(246,195,92,.22),transparent 50%),radial-gradient(circle at 40% 80%,rgba(108,242,211,.18),transparent 55%),linear-gradient(180deg,#050716,#0b1230 55%,#050716);z-index:-3}.grain{position:fixed;inset:0;opacity:.12;background-image:radial-gradient(circle at 10% 20%,rgba(255,255,255,.08),transparent 42%),radial-gradient(circle at 70% 30%,rgba(255,255,255,.06),transparent 40%),radial-gradient(circle at 40% 90%,rgba(255,255,255,.05),transparent 45%);z-index:-2;pointer-events:none}.hud{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:18px}.brand{display:flex;gap:12px;align-items:center}.brand-mark{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,#6cf2d3cc,#f6c35cbf);box-shadow:0 18px 40px #00000061}.brand-title{font-size:22px;font-weight:950;letter-spacing:.8px}.brand-subtitle{color:var(--text-soft);font-size:13px;margin-top:3px}.hud-actions{display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end}.player-chip{border-radius:999px;background:#00000047;border:1px solid var(--border);color:#fff;padding:10px 14px;font-size:13px;font-weight:800}.game-layout{display:grid;grid-template-columns:320px 1fr;gap:16px;align-items:start}.stage-panel,.arena,.gate{border:1px solid var(--border);border-radius:18px;background:var(--panel);box-shadow:0 28px 80px #0000006b;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px)}.stage-panel{overflow:hidden}.stage-panel-head{padding:16px 16px 14px;border-bottom:1px solid rgba(255,255,255,.08);background:var(--panel-strong)}.stage-panel-title{font-weight:950;letter-spacing:.6px}.stage-panel-note{margin-top:6px;color:var(--text-soft);font-size:13px}.stage-list{padding:12px;display:grid;gap:10px}.stage-card{width:100%;border:1px solid rgba(255,255,255,.1);border-radius:16px;background:#050a18a6;color:#fff;cursor:pointer;text-align:left;padding:14px;display:grid;gap:8px;transition:transform .12s ease,border-color .12s ease,background .12s ease}.stage-card:hover{transform:translateY(-1px);border-color:#6cf2d361}.stage-card.selected{background:#6cf2d324;border-color:#6cf2d385}.stage-card-top{display:flex;align-items:center;justify-content:space-between;gap:12px}.stage-card strong{font-size:16px;font-weight:950}.stage-tag{border-radius:999px;background:#f6c35c2e;border:1px solid rgba(246,195,92,.22);color:#fff;padding:4px 10px;font-size:12px;font-weight:850;white-space:nowrap}.stage-card small{color:var(--text-soft);line-height:1.5}.arena{overflow:hidden;min-height:640px}.arena-head{display:flex;justify-content:space-between;gap:18px;padding:18px 18px 16px;background:linear-gradient(180deg,rgba(0,0,0,.18),transparent);border-bottom:1px solid rgba(255,255,255,.08)}.arena-eyebrow{color:#f6c35cf2;font-size:12px;font-weight:950;letter-spacing:1px}.arena-head h2{margin:8px 0 0;font-size:28px;font-weight:980}.arena-head p{margin:10px 0 0;color:var(--text-soft);line-height:1.55}.arena-actions{display:flex;align-items:flex-start}.arena-body{padding:18px;display:grid;gap:14px}.rule-card{border-radius:16px;border:1px solid rgba(255,255,255,.1);background:#0003;padding:14px;display:grid;gap:6px}.rule-title{font-weight:950;letter-spacing:.6px}.rule-line{color:var(--text-soft);line-height:1.55}.status-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.status-item{border:1px solid rgba(255,255,255,.1);border-radius:16px;padding:12px;background:#050a188c;display:grid;gap:4px}.status-item span{color:var(--text-soft);font-size:12px;font-weight:850}.status-item strong{font-size:16px;font-weight:980}.guess-row{display:grid;grid-template-columns:1fr auto;gap:10px}.toast{border-radius:16px;padding:12px 14px;font-weight:900;border:1px solid rgba(255,255,255,.12)}.toast.error{background:#ff6a6a1f;color:#ffd6d6;border-color:#ff6a6a47}.toast.success{background:#6cf2d31f;color:#d7fff5;border-color:#6cf2d34d}.result-card{border-radius:18px;border:1px solid rgba(255,255,255,.1);background:#050a18a6;padding:16px;display:grid;gap:12px}.result-top{display:grid;grid-template-columns:1fr 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