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0;min-height:44px}.input-button-wrapper{padding:2px 10px 8px;gap:8px}.action-btn{height:32px;width:32px;padding:4px}.copy-icon{width:20px!important;height:20px!important}.messages{padding:12px}.input-group{border-radius:16px}.message-footer{gap:4px;margin-top:4px}.message-footer .action-btn{height:28px;width:28px;padding:2px}.message-footer .copy-icon{width:16px!important;height:16px!important}@supports (-webkit-touch-callout: none){.chat-container{height:-webkit-fill-available}.fixed-input-area{padding-bottom:env(safe-area-inset-bottom,12px);position:-webkit-sticky!important;bottom:0!important}.fixed-header{position:-webkit-sticky!important;top:0!important}}}@media (max-width: 1023px){.context-menu{min-width:220px;font-size:16px}.context-menu-item{padding:14px 16px;font-size:16px;gap:14px}.modal-content{margin:20px;width:calc(100% - 40px)}.error-message,.loading-indicator{margin-left:16px;margin-right:16px}}.token-count{color:#888;transition:color .3s ease;cursor:help;font-size:12px;margin-left:8px;white-space:nowrap}.token-warning{color:#f0ad4e!important;font-weight:600}.token-critical{color:#d9534f!important;font-weight:700;animation:pulse-critical 2s ease-in-out infinite}@keyframes pulse-critical{0%,to{opacity:1}50%{opacity:.5}}.user-profile{padding:16px 20px;border-top:1px solid #f0f0f0;background:#ffffff;flex-shrink:0;position:relative}.user-profile-placeholder{padding:16px 20px;border-top:1px solid #f0f0f0;background:#ffffff;flex-shrink:0}.user-info{display:flex;align-items:center;gap:12px;cursor:pointer;padding:8px 12px;border-radius:12px;transition:background .2s;position:relative}.user-info:hover{background:#f5f7fa}.user-avatar{width:36px;height:36px;border-radius:50%;background:#007aff;color:#fff;display:flex;align-items:center;justify-content:center;font-size:16px;font-weight:600;flex-shrink:0}.user-name{flex:1;font-size:14px;font-weight:500;color:#1a1a2e;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.user-menu-btn{background:none;border:none;font-size:18px;color:#6b7280;cursor:pointer;padding:4px 8px;border-radius:6px;transition:background .2s;line-height:1}.user-menu-btn:hover{background:#f0f0f0}.user-dropdown{position:absolute;bottom:calc(100% + 8px);left:12px;right:12px;background:white;border-radius:12px;box-shadow:0 8px 30px #0000001f;border:1px solid #f0f0f0;padding:6px;z-index:9999;min-width:200px;animation:dropdownSlideUp .15s ease-out}@keyframes dropdownSlideUp{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.dropdown-item{display:flex;align-items:center;gap:12px;padding:10px 14px;border-radius:8px;cursor:pointer;transition:background .2s;font-size:14px;color:#1a1a2e}.dropdown-item:hover{background:#f5f7fa}.dropdown-item svg{flex-shrink:0;color:#6b7280}.dropdown-item.delete-account{color:#dc2626}.dropdown-item.delete-account:hover{background:#fef2f2}.dropdown-item.delete-account svg{color:#dc2626}.dropdown-divider{height:1px;background:#f0f0f0;margin:4px 8px}.delete-account-modal .modal-body ul{margin:8px 0 12px 20px;color:#6b7280;font-size:14px;line-height:1.6}.delete-account-modal .modal-body .warning-text{color:#dc2626;font-weight:600;font-size:14px;margin-top:8px}.delete-account-modal .modal-body input{width:100%;padding:10px 14px;border:1px solid #e5e7eb;border-radius:8px;font-size:14px;margin-top:8px}.delete-account-modal .modal-body input:focus{outline:none;border-color:#dc2626;box-shadow:0 0 0 3px #dc26261a}.delete-account-modal .modal-footer .modal-btn.delete{background:#dc2626}.delete-account-modal .modal-footer .modal-btn.delete:hover:not(:disabled){background:#b91c1c}.delete-account-modal .modal-footer .modal-btn.delete:disabled{opacity:.6;cursor:not-allowed}