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10px 0 12px;border-radius:999px;background:#0f172a;color:#fff;font-size:11.5px;font-weight:600;transition:background .18s ease,transform .18s ease}.lobby-room-card:hover .lobby-room-enter{background:var(--ember);transform:translate(1px)}.lobby-empty{display:flex;flex-direction:column;align-items:center;gap:14px;padding:44px 20px;border:1px dashed var(--line-strong);border-radius:16px;background:#fff9;color:var(--muted);font-size:13px;text-align:center}.lobby-empty p{margin:0;max-width:380px;line-height:1.7}.lobby-skeleton{display:grid;grid-template-columns:repeat(auto-fill,minmax(256px,1fr));gap:14px}.lobby-skeleton-card{height:208px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(100deg,#fff 30%,#f4f7fc,#fff 70%);background-size:220% 100%;animation:lobby-shimmer 1.4s ease-in-out infinite}@keyframes lobby-shimmer{to{background-position:-120% 0}}.lobby-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:18px 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ease}.lobby-choice-item strong{display:block;color:var(--text);font-size:13px;font-weight:600}.lobby-choice-item em{display:block;margin-top:3px;font-size:11px;font-style:normal;color:var(--muted)}.lobby-choice-item.is-active{border-color:#93c5fd;background:#f5f9ff;color:var(--ember)}.ratio-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(76px,1fr));gap:8px}.ratio-chip{display:flex;flex-direction:column;align-items:center;gap:6px;padding:8px 4px 7px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);transition:border-color .16s ease,background .16s ease,color .16s ease}.ratio-chip strong{font-size:11.5px;font-weight:600;line-height:1.2;white-space:nowrap}.ratio-shape-box{display:flex;align-items:center;justify-content:center;width:30px;height:22px}.ratio-shape{display:block;border:1.5px solid #cbd5e1;border-radius:2px;background:#f1f5f9;transition:border-color .16s ease,background .16s 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var(--line);border-radius:8px;background:#fff;color:var(--muted);font-size:12px}.room-gate-back:hover{color:var(--text);border-color:var(--line-strong)}.room-gate-card{display:flex;flex-direction:column;align-items:center;gap:12px;width:min(380px,100%);padding:34px 28px;border:1px solid var(--line);border-radius:18px;background:#fff;text-align:center;box-shadow:0 26px 60px -44px #0f172a99}.room-gate-card h2{margin:0;font-size:17px;font-weight:700;color:var(--text)}.room-gate-card p{margin:0;color:var(--muted);font-size:12.5px;line-height:1.75}.room-gate-card .lobby-input{margin-top:4px}.room-gate-icon{display:grid;place-items:center;width:44px;height:44px;border-radius:12px;background:#eff6ff;color:var(--ember)}.room-gate-spinner{width:30px;height:30px;border:2px solid #dbe7ff;border-top-color:var(--ember);border-radius:50%;animation:lobby-spin .9s linear infinite}@media (max-width: 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var(--line);border-radius:14px;background:#fff;box-shadow:0 20px 44px -20px #0f172a73,0 2px 8px -4px #0f172a29;animation:menu-in .14s ease}@keyframes menu-in{0%{opacity:0;transform:translateY(-6px)}to{opacity:1;transform:none}}.menu-group+.menu-group{margin-top:4px;padding-top:5px;border-top:1px solid var(--line)}.menu-label{display:block;padding:6px 10px 3px;color:var(--muted);font-size:11px;letter-spacing:.06em}.menu-item{display:flex;align-items:center;gap:9px;width:100%;padding:8px 10px;border:0;border-radius:9px;background:transparent;color:var(--text);font-size:12.5px;line-height:1.2;text-align:left;transition:background .14s ease,color .14s 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