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.sidebar-section-label{display:none}.sidebar:not(.sidebar-open) .sidebar-logo{justify-content:center;padding:20px 0}.sidebar:not(.sidebar-open) .sidebar-link{justify-content:center;padding:10px 0}.main-content:not(.sidebar-open){margin-left:var(--sidebar-collapsed)}}.chat-card{display:flex;flex-direction:column;height:calc(100vh - 112px);min-height:440px;margin:24px}.chat-header{padding:16px 24px}.chat-header-info h3{font-size:16px;font-weight:600;color:var(--text-primary)}.chat-subtitle{margin:0;font-size:13px;color:var(--text-muted)}.chat-messages{flex:1 1;overflow-y:auto;padding:20px 24px;background:var(--gray-50)}.chat-empty{height:100%;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);gap:12px}.chat-load-older-wrap{text-align:center;margin-bottom:14px}.chat-day-separator{text-align:center;margin:18px 0;font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px}.chat-message{display:flex;gap:12px;margin-bottom:16px}.chat-message-own{flex-direction:row-reverse}.chat-message-avatar{flex-shrink:0;margin-top:2px}.chat-avatar-img{object-fit:cover}.chat-message-body{max-width:70%;display:flex;flex-direction:column}.chat-message-own .chat-message-body{align-items:flex-end}.chat-message-meta{display:flex;align-items:center;gap:8px;margin-bottom:4px}.chat-message-own .chat-message-meta{flex-direction:row-reverse}.chat-message-name{font-size:13px;font-weight:600;color:var(--text-primary)}.chat-role-badge{font-size:10px;font-weight:600;text-transform:uppercase;letter-spacing:.4px;background:var(--primary-light);color:var(--white);padding:2px 8px;border-radius:10px}.chat-message-time{font-size:11px;color:var(--text-muted)}.chat-bubble{background:var(--white);border:1px solid var(--border-color);padding:10px 14px;border-radius:14px;border-top-left-radius:4px;font-size:14px;line-height:1.5;white-space:pre-wrap;word-break:break-word;box-shadow:var(--shadow-sm)}.chat-bubble-own{background:var(--primary);color:var(--white);border-color:var(--primary);border-top-left-radius:14px;border-top-right-radius:4px}.chat-message-footer{display:flex;align-items:center;gap:8px;margin-top:4px;min-height:18px}.chat-message-own .chat-message-footer{justify-content:flex-end}.chat-edited{font-size:11px;color:var(--text-muted);font-style:italic}.chat-message-actions{display:flex;gap:6px}.chat-action-btn{background:none;border:none;cursor:pointer;font-size:11px;color:var(--text-muted);padding:2px 4px;border-radius:4px}.chat-action-btn:hover{color:var(--primary);background:var(--gray-100)}.chat-action-btn-danger:hover{color:var(--danger)}.chat-edit-box{display:flex;flex-direction:column;gap:8px;background:var(--white);border:1px solid var(--primary);border-radius:10px;padding:10px}.chat-edit-box textarea{width:100%;border:none;outline:none;resize:none;font-size:14px;font-family:inherit}.chat-edit-actions{display:flex;gap:8px;justify-content:flex-end}.chat-input-bar{display:flex;align-items:flex-end;gap:12px;padding:16px 24px;border-top:1px solid var(--border-color);background:var(--white)}.chat-input-bar textarea{flex:1 1;border:1.5px solid var(--border-color);border-radius:var(--radius-sm);padding:10px 14px;font-size:14px;resize:none;outline:none;max-height:120px;font-family:inherit;transition:var(--transition)}.chat-input-bar textarea:focus{border-color:var(--primary)}.chat-send-btn{white-space:nowrap}.chat-unread-badge{justify-content:center;min-width:18px;height:18px;padding:0 5px;margin-left:6px;border-radius:9px;background:var(--danger);color:var(--white);font-size:11px;font-weight:600;line-height:1}.batch-chat-link,.chat-unread-badge{display:inline-flex;align-items:center}.batch-chat-link{gap:4px}