:root{--font-sans:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono:"JetBrains Mono", monospace;--bg-app:#f4f5f6;--bg-sidebar:#fff;--bg-card:#fff;--bg-input:#fff;--border-color:#e5e7eb;--border-dashed:#d1d5db;--primary-color:#745bf2;--primary-hover:#5f45d8;--primary-light:#745bf214;--primary-light-hover:#745bf226;--text-main:#1f2937;--text-muted:#6b7280;--text-dim:#9ca3af;--text-light:#fff;--success-color:#10b981;--danger-color:#ef4444;--warning-color:#f59e0b;--sidebar-width:260px;--radius-lg:12px;--radius-md:8px;--radius-sm:6px;--transition-fast:.15s ease;--transition-normal:.25s cubic-bezier(.4, 0, .2, 1);--shadow-sm:0 1px 2px 0 #0000000d;--shadow-md:0 4px 6px -1px #0000000d, 0 2px 4px -1px #00000008;--shadow-lg:0 10px 15px -3px #0000000d, 0 4px 6px -2px #00000005}[data-theme=dark]{--bg-app:#0f172a;--bg-sidebar:#1e293b;--bg-card:#1e293b;--bg-input:#0f172a;--border-color:#334155;--border-dashed:#475569;--primary-color:#818cf8;--primary-hover:#6366f1;--primary-light:#818cf81a;--primary-light-hover:#818cf833;--text-main:#f8fafc;--text-muted:#94a3b8;--text-dim:#64748b;--shadow-sm:0 1px 2px 0 #0000004d;--shadow-md:0 4px 6px -1px #0003;--shadow-lg:0 10px 15px -3px #0000004d}[data-theme=midnight]{--bg-app:#020204;--bg-sidebar:#0a0a0c;--bg-card:#0c0c0e;--bg-input:#020204;--border-color:#1a1a1f;--border-dashed:#26262f;--primary-color:#9f7aea;--primary-hover:#805ad5;--primary-light:#9f7aea1a;--primary-light-hover:#9f7aea33;--text-main:#f3f4f6;--text-muted:#9ca3af;--text-dim:#4b5563}*{box-sizing:border-box;margin:0;padding:0}:focus-visible{outline:2px solid var(--primary-color);outline-offset:2px;border-radius:4px}body{font-family:var(--font-sans);background-color:var(--bg-app);color:var(--text-main);width:100vw;height:100vh;transition:background-color var(--transition-normal), color var(--transition-normal);line-height:1.5;overflow:hidden}#app{width:100vw;height:100vh;display:flex}.layout-container{width:100%;height:100%;display:flex}.sidebar{width:var(--sidebar-width);background-color:var(--bg-sidebar);border-right:1px solid var(--border-color);height:100%;transition:transform var(--transition-normal), background-color var(--transition-normal), border-color var(--transition-normal);flex-direction:column;flex-shrink:0;display:flex}.sidebar-brand{color:var(--primary-color);font-size:18px;font-weight:800;font-family:var(--font-sans);letter-spacing:-.02em;align-items:center;gap:8px;padding:24px 20px;display:flex}.sidebar-menu{flex-direction:column;flex:1;gap:4px;padding:0 12px;display:flex;overflow-y:auto}.sidebar-item{border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;transition:all var(--transition-fast);align-items:center;gap:12px;padding:10px 16px;font-size:14px;font-weight:500;text-decoration:none;display:flex}.sidebar-item:hover{color:var(--text-main);background-color:#00000005}[data-theme=dark] .sidebar-item:hover,[data-theme=midnight] .sidebar-item:hover{background-color:#ffffff05}.sidebar-item.active{background-color:var(--primary-light);color:var(--primary-color);font-weight:600}.sidebar-footer{border-top:1px solid var(--border-color);color:var(--text-muted);align-items:center;gap:6px;padding:16px 20px;font-size:11px;display:flex}.main-content{background-color:var(--bg-app);flex-direction:column;flex:1;height:100%;display:flex;overflow:hidden}.content-header{border-bottom:1px solid var(--border-color);background-color:var(--bg-card);z-index:10;justify-content:space-between;align-items:center;height:56px;padding:0 24px;display:flex}.header-title{color:var(--text-main);align-items:center;gap:8px;font-size:15px;font-weight:600;display:flex}.scroll-container{flex:1;padding:24px;overflow-y:auto}.settings-layout{flex-direction:column;gap:24px;max-width:680px;margin:0 auto;display:flex}.settings-section-title{color:var(--text-muted);margin-bottom:8px;padding-left:4px;font-size:13px;font-weight:600}.settings-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);flex-direction:column;gap:16px;padding:16px 20px;display:flex}.settings-row{justify-content:space-between;align-items:center;gap:16px;display:flex}.settings-row-main{flex:1}.settings-label{color:var(--text-main);margin-bottom:2px;font-size:14px;font-weight:600}.settings-desc{color:var(--text-muted);font-size:12px;line-height:1.4}.custom-select{border-radius:var(--radius-sm);border:1px solid var(--border-color);background-color:var(--bg-input);color:var(--text-main);cursor:pointer;text-align:center;outline:none;min-width:100px;padding:6px 12px;font-size:13px;font-weight:500}.toggle-switch{width:44px;height:24px;display:inline-block;position:relative}.toggle-switch input{opacity:0;width:0;height:0}.toggle-slider{cursor:pointer;background-color:var(--border-color);border-radius:24px;transition:all .2s;position:absolute;inset:0}.toggle-slider:before{content:"";background-color:#fff;border-radius:50%;width:18px;height:18px;transition:all .2s;position:absolute;bottom:3px;left:3px;box-shadow:0 1px 3px #00000026}input:checked+.toggle-slider{background-color:var(--primary-color)}input:checked+.toggle-slider:before{transform:translate(20px)}.entity-card{background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:12px 16px;display:flex}.entity-left{align-items:center;gap:12px;min-width:0;display:flex}.entity-avatar-circle{background-color:var(--border-color);width:36px;height:36px;color:var(--text-muted);border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;font-size:14px;font-weight:700;display:flex}.entity-info{flex-direction:column;min-width:0;display:flex}.entity-title-row{align-items:center;gap:8px;display:flex}.entity-title{color:var(--text-main);text-overflow:ellipsis;white-space:nowrap;font-size:14px;font-weight:700;overflow:hidden}.badge-primary{background-color:var(--primary-light);color:var(--primary-color);border-radius:4px;padding:2px 6px;font-size:10px;font-weight:600}.entity-subtitle{color:var(--text-muted);font-size:12px;font-family:var(--font-mono);margin-top:2px}.btn-row{gap:6px;display:flex}.btn-secondary-sm{color:var(--text-main);border:1px solid var(--border-color);border-radius:var(--radius-sm);cursor:pointer;transition:var(--transition-fast);background-color:#0000;padding:6px 12px;font-size:12px;font-weight:500}.btn-secondary-sm:hover{background-color:var(--bg-app);border-color:var(--text-dim)}.btn-secondary-sm:disabled{opacity:.4;cursor:not-allowed}.btn-dashed-add{width:100%;color:var(--primary-color);border:1px dashed var(--border-dashed);border-radius:var(--radius-lg);cursor:pointer;transition:var(--transition-fast);background-color:#0000;justify-content:center;align-items:center;gap:6px;padding:12px;font-size:13px;font-weight:500;display:flex}.btn-dashed-add:hover{background-color:var(--primary-light);border-color:var(--primary-color)}.settings-info-text{color:var(--text-muted);padding:0 4px;font-size:12px;line-height:1.5}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background-color:var(--border-color);border-radius:3px}::-webkit-scrollbar-thumb:hover{background-color:var(--text-dim)}.mobile-menu-btn{color:var(--text-main);cursor:pointer;border-radius:var(--radius-sm);background:0 0;border:none;padding:6px;display:none}.mobile-menu-btn:hover{background-color:var(--bg-app)}.sidebar-backdrop{display:none}.header-left,.header-right{align-items:center;gap:12px;display:flex}.header-badge{color:var(--text-muted);background-color:var(--bg-app);border:1px solid var(--border-color);white-space:nowrap;border-radius:99px;align-items:center;gap:6px;padding:4px 10px;font-size:11px;display:flex}@media (width<=1024px){.sidebar{z-index:1000;box-shadow:var(--shadow-lg);position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.sidebar-backdrop{z-index:999;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);background-color:#0000004d;display:block;position:fixed;inset:0}.mobile-menu-btn{display:flex}}@media (width<=768px){:root{--sidebar-width:280px}.content-header{padding:0 16px}.scroll-container{padding:16px}.settings-layout{gap:16px}.settings-row,.entity-card{flex-direction:column;align-items:flex-start;gap:12px}.entity-card .btn-row{justify-content:flex-end;width:100%}.header-badge{display:none}}@media (width<=480px){.scroll-container{padding:12px}.settings-card{padding:12px 14px}.btn-row{flex-wrap:wrap}.characters-grid{grid-template-columns:1fr!important}}.sidebar.open{transform:translate(0)}.reduce-motion *{transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}[data-theme=light] ::-webkit-scrollbar-thumb{background-color:#d1d5db}[data-theme=light] ::-webkit-scrollbar-thumb:hover{background-color:#9ca3af}@keyframes typingBounce{0%,80%,to{opacity:.4;transform:scale(.6)}40%{opacity:1;transform:scale(1)}}@keyframes toastSlideIn{0%{opacity:0;transform:translate(100%)}to{opacity:1;transform:translate(0)}}@keyframes modalFadeIn{0%{opacity:0}to{opacity:1}}@keyframes modalScaleIn{0%{opacity:0;transform:scale(.96)}to{opacity:1;transform:scale(1)}}@keyframes skeletonPulse{0%,to{opacity:.4}50%{opacity:.8}}@keyframes spin{to{transform:rotate(360deg)}}.message-bubble p{margin:0 0 8px}.message-bubble p:last-child{margin-bottom:0}.message-bubble pre{background-color:var(--bg-app);border:1px solid var(--border-color);border-radius:var(--radius-md);font-family:var(--font-mono);margin:8px 0;padding:12px;font-size:13px;line-height:1.5;overflow-x:auto}.message-bubble code{font-family:var(--font-mono);background-color:var(--bg-app);border:1px solid var(--border-color);border-radius:4px;padding:2px 6px;font-size:.9em}.message-bubble pre code{background:0 0;border:none;border-radius:0;padding:0}.message-bubble blockquote{border-left:3px solid var(--primary-color);background-color:var(--primary-light);border-radius:0 var(--radius-sm) var(--radius-sm) 0;color:var(--text-muted);margin:8px 0;padding:8px 12px}.message-bubble ul,.message-bubble ol{margin:8px 0;padding-left:20px}.message-bubble li{margin-bottom:4px}.message-bubble table{border-collapse:collapse;width:100%;margin:8px 0;font-size:13px}.message-bubble th,.message-bubble td{border:1px solid var(--border-color);text-align:left;padding:6px 12px}.message-bubble th{background-color:var(--bg-app);font-weight:600}.message-bubble a{color:var(--primary-color);text-decoration:none}.message-bubble a:hover{text-decoration:underline}.message-actions{opacity:0;background-color:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-md);z-index:var(--z-dropdown,50);gap:2px;padding:2px;transition:opacity .15s;display:flex;position:absolute;top:-28px;right:0}.message-container:hover .message-actions{opacity:1}.message-action-btn{border-radius:var(--radius-sm);width:28px;height:28px;color:var(--text-dim);cursor:pointer;background:0 0;border:none;justify-content:center;align-items:center;padding:0;font-size:13px;transition:all .12s;display:flex}.message-action-btn:hover{background-color:var(--primary-light);color:var(--primary-color)}.message-action-btn.danger:hover{color:var(--danger-color);background-color:#ef44441a}.message-edit-input{border-radius:var(--radius-md);border:1px solid var(--primary-color);background-color:var(--bg-input);width:100%;color:var(--text-main);font-size:14px;font-family:var(--font-sans);resize:vertical;outline:none;min-height:60px;padding:10px 14px;line-height:1.5}.message-edit-actions{gap:6px;margin-top:6px;display:flex}@media (width<=768px){.chat-session-panel{display:none}.chat-main-panel{width:100%!important}}