*{margin:0;padding:0;box-sizing:border-box}:root{--primary-color: #2563EB;--secondary-color: #10B981;--border-color: #E2E8F0;--bg-color: #F8FAFC;--text-color: #1E293B;--text-secondary: #64748B;--sidebar-width: 320px;--header-height: 56px;--header-bg: #FFFFFF;--card-bg: #FFFFFF;--canvas-bg: #F8FAFC;--shadow-color: rgba(148, 163, 184, .15)}[data-theme=dark]{--primary-color: #38BDF8;--secondary-color: #34D399;--border-color: #334155;--bg-color: #020617;--text-color: #E2E8F0;--text-secondary: #94A3B8;--header-bg: #0F172A;--card-bg: #1E293B;--canvas-bg: #020617;--shadow-color: rgba(0, 0, 0, .6)}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;color:var(--text-color);background:var(--bg-color)}#app{display:flex;flex-direction:column;height:100vh}.header{height:var(--header-height);background:var(--header-bg);border-bottom:1px solid var(--border-color);display:flex;align-items:center;padding:0 20px;gap:20px}.header 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svg{width:14px;height:14px}.user-logout-btn{width:100%;padding:6px 12px;background:var(--bg-color);border:1px solid var(--border-color);border-radius:4px;font-size:13px;color:var(--text-color);cursor:pointer;transition:all .2s ease}.user-logout-btn:hover{background:#f5f5f5;border-color:#f44;color:#f44}.history-sidebar{position:fixed;top:60px;right:0;width:480px;height:calc(100vh - 60px);background:var(--card-bg);box-shadow:-4px 0 20px var(--shadow-color);z-index:50;display:flex;flex-direction:column;transform:translate(0);transition:transform .3s ease}.history-sidebar.hidden{transform:translate(100%)}.history-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color)}.history-header h3{margin:0;font-size:16px;font-weight:600;color:var(--text-color)}.history-close-btn{width:32px;height:32px;border:none;background:transparent;font-size:24px;color:var(--text-light);cursor:pointer;border-radius:4px;transition:all .2s 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8px;border-radius:10px;font-size:12px;font-weight:500}.detail-status-success{background:#52c41a1a;color:#52c41a}.detail-status-failed{background:#ff44441a;color:#f44}.auth-modal{position:fixed;inset:0;z-index:1000;display:flex;align-items:center;justify-content:center}.auth-modal.hidden{display:none}.auth-modal-overlay{position:absolute;inset:0;background:#00000080;backdrop-filter:blur(4px)}.auth-modal-content{position:relative;background:var(--card-bg);border-radius:12px;padding:32px;width:90%;max-width:400px;box-shadow:0 8px 24px var(--shadow-color);animation:modalFadeIn .3s ease}@keyframes modalFadeIn{0%{opacity:0;transform:scale(.9)}to{opacity:1;transform:scale(1)}}.auth-modal-close{position:absolute;top:16px;right:16px;background:none;border:none;font-size:28px;color:var(--text-light);cursor:pointer;width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:all .2s ease}.auth-modal-close:hover{background:var(--bg-color);color:var(--text-color)}.auth-modal-title{font-size:24px;font-weight:600;color:var(--text-color);margin:0 0 24px;text-align:center}.auth-form{display:flex;flex-direction:column;gap:16px}.form-group{display:flex;flex-direction:column;gap:6px}.form-group.hidden{display:none}.form-group label{font-size:14px;font-weight:500;color:var(--text-color)}.form-group input{padding:10px 14px;border:1px solid var(--border-color);border-radius:6px;font-size:14px;transition:border-color .2s ease}.form-group input:focus{outline:none;border-color:var(--primary-color);box-shadow:0 0 0 3px #408eff1a}.auth-error{padding:10px;border-radius:6px;font-size:13px;text-align:center;margin-top:8px}.auth-error.hidden{display:none}.auth-error.error{background:#fff5f5;color:#e53e3e;border:1px solid #feb2b2}.auth-error.success{background:#f0fdf4;color:#16a34a;border:1px solid #86efac}.auth-submit-btn{padding:12px;background:var(--primary-color);color:#fff;border:none;border-radius:6px;font-size:15px;font-weight:600;cursor:pointer;transition:all .3s ease;margin-top:8px}.auth-submit-btn:hover{background:#2d84ff;transform:translateY(-2px);box-shadow:0 4px 12px #408eff4d}.auth-submit-btn:disabled{background:var(--border-color);cursor:not-allowed;transform:none;box-shadow:none}.auth-switch{margin-top:16px;text-align:center;font-size:14px;color:var(--text-light)}.auth-switch a{color:var(--primary-color);text-decoration:none;font-weight:500;margin-left:4px}.auth-switch a:hover{text-decoration:underline}[data-theme=dark] .chat-input-wrapper{background:#263238f2}[data-theme=dark] .chat-input-wrapper:focus-within{background:#263238;box-shadow:0 8px 32px #177ddc4d}[data-theme=dark] #chat-input,[data-theme=dark] #reference-input{background:transparent;color:var(--text-color)}[data-theme=dark] .btn-action{background:var(--card-bg);color:var(--text-color)}[data-theme=dark] .btn-send{background:var(--secondary-color)}[data-theme=dark] .history-item:hover{background:#ffffff0d}[data-theme=dark] .auth-input{background:#2a2a2a;border-color:var(--border-color);color:var(--text-color)}[data-theme=dark] .auth-error.error{background:#3d2020;border-color:#5c3030}[data-theme=dark] .auth-error.success{background:#1a3d1a;border-color:#2a5c2a}[data-theme=dark] .btn-sidebar-toggle{background:var(--card-bg);color:#fff;border-color:var(--border-color)}[data-theme=dark] .btn-sidebar-toggle:hover{background:#ffffff1a;border-color:#fff}[data-theme=dark] .layout-item{background:#a1b0b8;color:#263238;border-color:#4a5568}[data-theme=dark] .layout-item.active{background:var(--primary-color);color:#fff;border-color:var(--primary-color)}[data-theme=dark] .style-item{background:#a1b0b8;border-color:#4a5568}.input-history-sidebar{position:fixed;top:var(--header-height);left:0;width:450px;height:calc(100vh - var(--header-height));background:var(--card-bg);box-shadow:4px 0 20px var(--shadow-color);z-index:50;display:flex;flex-direction:column;transform:translate(0);transition:transform .3s ease}.input-history-sidebar.collapsed{transform:translate(-100%)}.input-history-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color);flex-shrink:0}.input-history-header h3{margin:0;font-size:16px;font-weight:600;color:var(--text-color)}.input-history-import-btn{display:flex;align-items:center;gap:6px;padding:6px 14px;border:1px solid rgba(59,130,246,.4);border-radius:6px;background:#3b82f61a;color:#3b82f6;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s}.input-history-import-btn:hover{background:#3b82f633;border-color:#3b82f699}.input-history-close-btn{width:32px;height:32px;border:none;background:transparent;font-size:24px;color:var(--text-secondary);cursor:pointer;border-radius:4px;transition:all .2s ease}.input-history-close-btn:hover{background:var(--bg-color);color:var(--text-color)}.input-history-search{padding:12px 16px;border-bottom:1px solid var(--border-color);flex-shrink:0}.input-history-search input{width:100%;padding:8px 12px;border:1px solid var(--border-color);border-radius:8px;font-size:13px;background:var(--bg-color);color:var(--text-color);outline:none;transition:border-color .2s ease}.input-history-search input:focus{border-color:var(--primary-color);box-shadow:0 0 0 2px #2563eb26}.input-history-search input::placeholder{color:var(--text-secondary)}.input-history-tags-filter{padding:8px 16px;display:flex;flex-wrap:wrap;gap:6px;border-bottom:1px solid var(--border-color);flex-shrink:0;min-height:0}.input-history-tags-filter:empty{display:none;padding:0;border-bottom:none}.tag-filter-item{padding:3px 10px;font-size:11px;border-radius:12px;cursor:pointer;border:1px solid transparent;transition:all .2s ease;font-weight:500}.tag-filter-item:hover{opacity:.85}.tag-filter-item.active{box-shadow:0 0 0 2px var(--primary-color)}.input-history-list{flex:1;overflow-y:auto;padding:8px 12px;min-height:0}.input-history-empty{text-align:center;color:var(--text-secondary);padding:40px 20px;font-size:13px}.input-history-item{padding:10px 12px;background:var(--bg-color);border-radius:8px;margin-bottom:6px;cursor:pointer;transition:all .2s ease;border:1px solid transparent}.input-history-item:hover{border-color:var(--primary-color);background:#2563eb0d}.input-history-item-summary{font-size:13px;color:var(--text-color);line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.input-history-item.expanded .input-history-item-summary{white-space:normal;word-break:break-word}.input-history-item-meta{display:flex;align-items:center;justify-content:space-between;margin-top:6px}.input-history-item-time{font-size:11px;color:var(--text-secondary)}.input-history-item-actions{display:flex;justify-content:space-between;align-items:center;gap:6px;margin-top:6px}.input-history-actions-left{display:flex;gap:6px}.input-history-btn-delete{color:#ef4444!important;border-color:#ef44444d!important}.input-history-btn-delete:hover{background:#ef44441a!important;border-color:#ef4444!important}.input-history-action-btn{padding:2px 10px;font-size:11px;border-radius:4px;border:1px solid var(--border-color);background:var(--bg-color);color:var(--text-color);cursor:pointer;transition:all .15s;line-height:1.4}.input-history-action-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.input-history-action-btn.disabled{opacity:.4;cursor:not-allowed;pointer-events:none}.input-history-item-tags{display:flex;align-items:center;justify-content:space-between;gap:4px;margin-top:6px}.input-history-tags-left{display:flex;flex-wrap:wrap;gap:4px;align-items:center;flex:1;min-width:0}.input-history-btn-generate{padding:2px 10px;font-size:11px;border-radius:4px;border:1px solid rgba(16,185,129,.4);background:#10b9811a;color:#10b981;cursor:pointer;white-space:nowrap;font-weight:500;transition:all .2s;flex-shrink:0}.input-history-btn-generate:hover{background:#10b98133;border-color:#10b98199}.input-history-tag{padding:2px 8px;font-size:10px;border-radius:10px;font-weight:500;display:inline-flex;align-items:center;gap:3px}.input-history-tag-remove{cursor:pointer;font-size:12px;line-height:1;opacity:.7;transition:opacity .2s}.input-history-tag-remove:hover{opacity:1}.input-history-add-tag-btn{padding:2px 8px;font-size:10px;border-radius:10px;border:1px dashed var(--border-color);background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .2s}.input-history-add-tag-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.input-history-tag-input-wrapper{display:inline-flex;align-items:center}.input-history-tag-input{width:80px;padding:2px 6px;font-size:10px;border:1px solid var(--primary-color);border-radius:10px;background:var(--bg-color);color:var(--text-color);outline:none}.input-history-item-full{display:none;margin-top:8px;padding:8px 10px;background:var(--card-bg);border-radius:6px;font-size:13px;line-height:1.6;color:var(--text-color);white-space:pre-wrap;word-break:break-word;border:1px solid var(--border-color);max-height:200px;overflow-y:auto}.input-history-item.expanded .input-history-item-full{display:block}.input-history-item.expanded .input-history-item-summary{font-weight:600;color:var(--primary-color)}[data-theme=dark] .input-history-sidebar{box-shadow:4px 0 20px #0009}[data-theme=dark] .input-history-item:hover{background:#ffffff0d}.lazy-load-indicator{text-align:center;color:var(--text-secondary);padding:16px 0;font-size:13px}.lazy-load-indicator:before{content:"";display:inline-block;width:14px;height:14px;border:2px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:spin .8s linear infinite;vertical-align:middle;margin-right:6px}.lazy-load-end{text-align:center;color:var(--text-secondary);padding:12px 0;font-size:12px;opacity:.6}[data-theme=dark] .chat-input-floating.collapsed .chat-input-wrapper{background:transparent;border-color:#94a3b833;backdrop-filter:none;box-shadow:none}.btn-admin{padding:8px 16px;background:#fff;border:1px solid var(--border-color);border-radius:20px;font-size:13px;font-weight:500;color:#e67e22;cursor:pointer;transition:all .2s ease}.btn-admin:hover{border-color:#e67e22;background:#e67e220d}.btn-admin.hidden{display:none}[data-theme=dark] .btn-admin{background:var(--card-bg);color:#f0a500;border-color:var(--border-color)}[data-theme=dark] .btn-admin:hover{background:#f0a5001a;border-color:#f0a500}.admin-panel-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:#00000080;backdrop-filter:blur(4px);z-index:9000;display:flex;align-items:center;justify-content:center;animation:adminFadeIn .2s ease}@keyframes adminFadeIn{0%{opacity:0}to{opacity:1}}.admin-panel{background:var(--card-bg);border-radius:12px;width:900px;max-width:95vw;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 12px 40px #00000040;animation:adminSlideIn .25s ease}@keyframes adminSlideIn{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.admin-panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;border-bottom:1px solid var(--border-color);flex-shrink:0}.admin-panel-title{font-size:17px;font-weight:600;color:var(--text-color)}.admin-panel-close{width:32px;height:32px;border:none;background:transparent;font-size:22px;color:var(--text-secondary);cursor:pointer;border-radius:6px;display:flex;align-items:center;justify-content:center;transition:all .2s}.admin-panel-close:hover{background:var(--bg-color);color:var(--text-color)}.admin-tabs{display:flex;border-bottom:1px solid var(--border-color);padding:0 20px;flex-shrink:0}.admin-tab{padding:12px 20px;font-size:14px;font-weight:500;color:var(--text-secondary);background:none;border:none;border-bottom:2px solid transparent;cursor:pointer;transition:all .2s}.admin-tab:hover{color:var(--text-color)}.admin-tab.active{color:var(--primary-color);border-bottom-color:var(--primary-color)}.admin-panel-body{flex:1;overflow-y:auto;padding:16px 20px;min-height:0}.admin-tab-content{display:none}.admin-tab-content.active{display:block}.admin-batch-bar{display:flex;align-items:center;gap:10px;margin-bottom:12px;flex-wrap:wrap}.admin-batch-btn{padding:6px 14px;font-size:13px;border-radius:6px;border:1px solid var(--border-color);background:var(--card-bg);color:var(--text-color);cursor:pointer;transition:all .2s}.admin-batch-btn:hover{border-color:var(--primary-color);color:var(--primary-color)}.admin-batch-btn.btn-restore{border-color:#10b98166;color:#10b981}.admin-batch-btn.btn-restore:hover{background:#10b9811a}.admin-batch-btn.btn-purge{border-color:#ef444466;color:#ef4444}.admin-batch-btn.btn-purge:hover{background:#ef44441a}.admin-batch-btn:disabled{opacity:.4;cursor:not-allowed}.admin-selected-count{font-size:13px;color:var(--text-secondary)}.admin-table{width:100%;border-collapse:collapse;font-size:13px}.admin-table th,.admin-table td{padding:10px 12px;text-align:left;border-bottom:1px solid var(--border-color)}.admin-table th{font-weight:600;color:var(--text-secondary);font-size:12px;text-transform:uppercase;letter-spacing:.5px;background:var(--bg-color);position:sticky;top:0;z-index:1}.admin-table td{color:var(--text-color)}.admin-table tr:hover td{background:#2563eb08}.admin-table input[type=checkbox]{width:16px;height:16px;cursor:pointer;accent-color:var(--primary-color)}.admin-role-select{padding:4px 8px;font-size:12px;border:1px solid var(--border-color);border-radius:4px;background:var(--card-bg);color:var(--text-color);cursor:pointer}.admin-role-select:focus{outline:none;border-color:var(--primary-color)}.admin-role-badge{display:inline-block;padding:2px 8px;border-radius:10px;font-size:11px;font-weight:500}.admin-role-badge.role-admin{background:#e67e2226;color:#e67e22}.admin-role-badge.role-user{background:#2563eb1a;color:var(--primary-color)}.admin-empty{text-align:center;color:var(--text-secondary);padding:40px 20px;font-size:14px}.admin-pagination{display:flex;align-items:center;justify-content:center;gap:8px;margin-top:16px}.admin-page-btn{padding:6px 12px;font-size:13px;border:1px solid var(--border-color);border-radius:6px;background:var(--card-bg);color:var(--text-color);cursor:pointer;transition:all .2s}.admin-page-btn:hover:not(:disabled){border-color:var(--primary-color);color:var(--primary-color)}.admin-page-btn:disabled{opacity:.4;cursor:not-allowed}.admin-page-info{font-size:13px;color:var(--text-secondary)}