:root{font-family:Inter,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;color:#eef4ff;background:#07111f}*{box-sizing:border-box}body{margin:0;min-width:320px;background:radial-gradient(circle at top,#10253e 0,#07111f 48%,#050a12)}button,input{font:inherit}button{cursor:pointer}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{height:60px;padding:0 20px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid rgba(255,255,255,.08);background:#050a12bf;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}.muted{color:#8ca0ba;font-size:13px;margin-left:8px}.connection{font-size:12px;color:#8ca0ba}.topbar-right{display:flex;align-items:center;gap:16px}.identity-bar{display:flex;align-items:center;gap:8px;font-size:13px}.identity-guest{padding:3px 9px;border-radius:999px;border:1px dashed rgba(255,255,255,.25);color:#b9c9dd;font-weight:700}.identity-avatar{width:26px;height:26px;border-radius:50%;object-fit:cover;border:1px solid rgba(255,255,255,.18)}.identity-avatar-fallback{display:grid;place-items:center;background:#e5edf724;color:#e5edf7;font-weight:800}.identity-name{font-weight:700;max-width:160px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.identity-meta{color:#8ca0ba;font-size:12px}.identity-action{border:1px solid rgba(255,255,255,.16);background:#ffffff0a;color:#eaf1fb;border-radius:8px;padding:5px 11px;font-size:12px;font-weight:700}.identity-action.primary{background:#e5edf7;color:#07111f;border-color:transparent}.session-error{color:#ffadad;font-size:12px}.auth-banner{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:10px 20px;font-size:13px;border-bottom:1px solid rgba(255,255,255,.08)}.auth-banner.ok{background:#3f8a662e;color:#c6f0da}.auth-banner.error{background:#b23f3f33;color:#ffd6d6}.auth-banner-close{border:0;background:transparent;color:inherit;font-size:18px;line-height:1;cursor:pointer}.main-grid{flex:1;display:grid;grid-template-columns:minmax(0,1fr) 360px;gap:16px;padding:16px}.game-panel{position:relative;min-height:680px;border:1px solid rgba(255,255,255,.08);border-radius:18px;overflow:hidden;background:#050b13}.game-canvas{position:absolute;inset:0;width:100%;height:100%;display:block}.hud{position:absolute;top:16px;padding:10px 12px;border-radius:10px;background:#02070da6;border:1px solid rgba(255,255,255,.08);font-weight:700;font-size:13px}.hp-hud{left:16px}.monster-hud{right:16px}.room-bar{position:absolute;left:16px;right:16px;bottom:16px;display:flex;gap:8px}.room-bar input{flex:1;min-width:0;border:1px solid rgba(255,255,255,.12);background:#02070dbf;color:#fff;border-radius:10px;padding:11px 12px}.room-bar button,.submit{border:0;border-radius:10px;padding:10px 16px;background:#e5edf7;color:#07111f;font-weight:800}.side-panel{display:flex;flex-direction:column;gap:16px}.card{border:1px solid rgba(255,255,255,.08);border-radius:16px;background:#091422c7;padding:18px;box-shadow:0 10px 30px #0003}.label{color:#7f95b0;font-size:11px;letter-spacing:.14em;font-weight:800}.round-number{font-size:34px;font-weight:900;margin-top:2px}.timer{font-size:44px;line-height:1;font-weight:900;margin-top:10px}.question-card h2{font-size:20px;line-height:1.35;margin:14px 0}.choices{display:grid;gap:8px}.choice{text-align:left;padding:11px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.1);background:#ffffff08;color:#eaf1fb}.choice.selected{border-color:#e5edf7;background:#e5edf71a}.submit{width:100%;margin-top:12px}.submit:disabled{opacity:.35;cursor:not-allowed}.message{color:#8ca0ba;font-size:12px;margin-top:10px;min-height:18px}.result{margin-top:10px;font-size:13px;font-weight:800}.correct{color:#8fdab2}.wrong{color:#ffadad}@media(max-width:900px){.main-grid{grid-template-columns:1fr}.game-panel{min-height:560px}}