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var(--accent-glow)}.chat-send-btn.active:hover{background:var(--accent-bright);transform:scale(1.05)}.chat-send-btn:disabled:not(.active){cursor:default}.chat-input-hint{font-size:11px;color:var(--text-muted);margin-top:6px;padding:0 4px}@media (max-width: 760px){.chat-window{display:none;width:100vw;min-width:100vw}.chat-layout.has-selected-chat .chat-window,.chat-back-btn{display:flex}.chat-header{padding:10px 12px}.chat-header-avatar{display:none}.chat-messages{padding:14px 12px 8px}.chat-input-area{padding:10px 10px 12px}.chat-input-hint{display:none}}.chat-layout{display:flex;height:100vh;width:100vw;background:var(--bg-base);overflow:hidden}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}:root{--bg-base: #0b0f10;--bg-surface: #15191c;--bg-elevated: #1d2326;--bg-hover: #263034;--accent: #1daa61;--accent-bright: #2dd4bf;--accent-dim: rgba(45, 212, 191, .14);--accent-glow: rgba(45, 212, 191, .22);--green: #2dd4bf;--green-dim: rgba(45, 212, 191, .14);--red: 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