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ease}.send-btn:hover{background:var(--accent-hover)}.send-btn:active{transform:translateY(1px)}.send-btn:disabled{opacity:.45;cursor:not-allowed}.send-btn.stop-mode{background:var(--danger)}.disconnect-banner{display:flex;align-items:center;justify-content:center;gap:12px;padding:8px 14px;background:var(--warning);color:#1d1300;font-size:12px;font-weight:700;z-index:30;animation:slide-down .24s ease}@keyframes slide-down{0%{transform:translateY(-100%);opacity:0}to{transform:translateY(0);opacity:1}}.disconnect-text{flex:1;text-align:center}.disconnect-retry-btn{border:1px solid rgba(0,0,0,.24);background:#ffffff73;color:#1d1300;border-radius:999px;padding:4px 12px;font-size:11px;font-weight:700;cursor:pointer}.chat-loading-overlay{position:absolute;inset:0;background:#0f151c73;display:flex;align-items:center;justify-content:center;z-index:50}.chat-loading-spinner{width:30px;height:30px;border:3px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s 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