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var(--border-color);flex-shrink:0;justify-content:space-between;align-items:center;padding:18px 24px;display:flex}.chat-list-modal__title{color:var(--text);font-size:16px;font-weight:600}.chat-list-modal__close{cursor:pointer;color:var(--text-muted);background:0 0;border:none;border-radius:4px;padding:4px 6px;font-size:16px}.chat-list-modal__close:hover{background:var(--bg-hover);color:var(--text)}.chat-list-modal__list{flex:1;overflow-y:auto}.chat-list-modal__empty{text-align:center;color:var(--text-muted);padding:40px 24px;font-size:13px}.chat-list-item{border-bottom:1px solid var(--border-subtle);cursor:pointer;align-items:flex-start;gap:12px;padding:14px 24px;transition:background 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var(--border-subtle)}.chat-list-group:last-child{border-bottom:none}.chat-list-group__header{background:var(--bg-subtle);z-index:1;justify-content:space-between;align-items:center;padding:10px 24px 8px;display:flex;position:sticky;top:0}.chat-list-group__filename{color:var(--text-muted);text-transform:uppercase;letter-spacing:.04em;white-space:nowrap;text-overflow:ellipsis;font-size:12px;font-weight:600;overflow:hidden}.chat-list-group__new-chat{cursor:pointer;color:var(--accent);white-space:nowrap;background:0 0;border:none;border-radius:4px;flex-shrink:0;padding:2px 6px;font-size:12px}.chat-list-group__new-chat:hover{background:var(--bg-hover)}.chat-list-session{cursor:pointer;border-bottom:1px solid var(--border-subtle);align-items:center;gap:8px;padding:12px 24px;transition:background 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5px;font-size:12px}.chat-list-session:hover .chat-list-session__delete{opacity:1}.chat-list-session__delete:hover{color:var(--danger);background:var(--danger-bg)}.chat-list-session__confirm-delete{background:var(--danger);cursor:pointer;color:#fff;border:none;border-radius:4px;padding:3px 8px;font-size:11px}.chat-list-session__cancel-delete{border:1px solid var(--border-color);cursor:pointer;color:var(--text-muted);background:0 0;border-radius:4px;padding:3px 8px;font-size:11px}.chat-list-modal__clear-orphaned{cursor:pointer;color:var(--danger);background:0 0;border:none;border-radius:4px;margin-left:12px;margin-right:auto;padding:3px 8px;font-size:12px}.chat-list-modal__clear-orphaned:hover{background:var(--danger-bg)}.app{background:var(--bg);flex-direction:row;min-height:100vh;display:flex}.loading{min-height:100vh;color:var(--text-muted);justify-content:center;align-items:center;font-size:15px;display:flex}.app-sidebar{width:var(--sidebar-width);z-index:10;background:linear-gradient(#4a4358 0%,#3b3548 50%,#2e2a38 100%);flex-direction:column;flex-shrink:0;height:100vh;display:flex;position:sticky;top:0}[data-theme=light] .app-sidebar{background:linear-gradient(#f0ece8 0%,#e4ddd6 50%,#d8d0c8 100%)}[data-theme=light] .app-sidebar__tagline{color:#8a8278}[data-theme=light] .sidebar-nav-item{color:#6b6360}[data-theme=light] .sidebar-nav-item:hover{color:#2d2a26;background:#0000000d}[data-theme=light] .sidebar-nav-item--active{color:#2d2a26;background:#00000012}[data-theme=light] .sidebar-nav-item__badge{background:var(--gradient);color:#fff}[data-theme=light] .app-sidebar__footer{border-top-color:#00000014}[data-theme=light] .api-key-status{color:#6b6360}[data-theme=light] .api-key-status:hover{color:#2d2a26;background:#0000000d}[data-theme=light] .api-key-status--valid{color:#4a7c5f}[data-theme=light] .api-key-status--invalid{color:#c44b4b}[data-theme=light] .api-key-status__dot{background:#4a7c5f}[data-theme=light] .api-key-status__dot--invalid{background:#c44b4b}[data-theme=light] .clear-btn{color:#8a8278}[data-theme=light] .clear-btn:hover{color:#c44b4b;background:#c44b4b14}[data-theme=light] .app-sidebar__theme-toggle{background:#0000000d}[data-theme=light] .theme-toggle__btn{color:#0000004d}[data-theme=light] .theme-toggle__btn:hover{color:#0009}[data-theme=light] .theme-toggle__btn--active{color:#2d2a26;background:#00000014}.app-sidebar__brand{padding:28px 24px 24px}.app-sidebar__title{letter-spacing:-.5px;background:linear-gradient(135deg,#ffd000 0%,#ff8c00 50%,#ff5e1a 100%);-webkit-text-fill-color:transparent;-webkit-background-clip:text;background-clip:text;margin:0;font-size:24px;font-weight:700}.app-sidebar__tagline{color:#ffffff80;margin:4px 0 0;font-size:12px}.app-sidebar__nav{flex-direction:column;flex:1;gap:2px;padding:8px 12px;display:flex}.sidebar-nav-item{border-radius:var(--radius-sm);color:#fff9;cursor:pointer;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.sidebar-nav-item:hover{color:#ffffffe6;background:#ffffff14}.sidebar-nav-item--active{color:#fff;background:#ffffff1a}.sidebar-nav-item__icon{flex-shrink:0;justify-content:center;align-items:center;width:20px;height:20px;font-size:16px;display:flex}.sidebar-nav-item__label{flex:1;min-width:0}.sidebar-nav-item__badge{color:#ffffffe6;background:#ffffff26;border-radius:99px;justify-content:center;align-items:center;min-width:20px;height:20px;padding:0 6px;font-size:10px;font-weight:700;display:inline-flex}.app-sidebar__status{padding:12px}.app-sidebar__theme-toggle{border-radius:var(--radius-sm);background:#ffffff0f;gap:2px;margin:0 12px 12px;padding:3px;display:flex}.theme-toggle__btn{cursor:pointer;color:#ffffff59;background:0 0;border:none;border-radius:7px;flex:1;justify-content:center;align-items:center;padding:5px 0;transition:all .15s;display:flex}.theme-toggle__btn:hover{color:#ffffffb3}.theme-toggle__btn--active{color:#fff;background:#fff3}.app-sidebar__footer{border-top:1px solid #ffffff1a;flex-direction:column;gap:4px;padding:16px 12px;display:flex}.api-key-status{border-radius:var(--radius-sm);cursor:pointer;text-align:left;color:#fff9;background:0 0;border:none;align-items:center;gap:8px;width:100%;padding:8px 12px;font-size:13px;font-weight:500;transition:all .15s;display:flex}.api-key-status:hover{color:#ffffffe6;background:#ffffff14}.api-key-status--unconfigured{color:#ffffff80}.api-key-status--validating{color:#fff9}.api-key-status--valid{color:#8cd4a0}.api-key-status--invalid{color:#e08080}.api-key-status__dot{background:#8cd4a0;border-radius:50%;flex-shrink:0;width:8px;height:8px}.api-key-status__dot--invalid{background:#e08080}.chat-badge{background:var(--bg-subtle);color:var(--text);vertical-align:middle;border-radius:99px;justify-content:center;align-items:center;min-width:16px;height:16px;margin-left:4px;padding:0 4px;font-size:10px;font-weight:700;display:inline-flex}.clear-btn{border-radius:var(--radius-sm);cursor:pointer;color:#ffffff80;text-align:left;background:0 0;border:none;align-items:center;gap:10px;width:100%;padding:10px 12px;font-size:14px;font-weight:500;transition:all .15s;display:flex}.clear-btn:hover{color:#e08080;background:#e080801a}.app-body{flex-direction:column;flex:1;min-width:0;height:100vh;display:flex;overflow:hidden}.app-top-bar{flex-shrink:0;justify-content:space-between;align-items:center;padding:24px 36px;display:flex}.app-top-bar__greeting{flex-direction:column;gap:2px;display:flex}.app-top-bar__title{color:var(--text);letter-spacing:-.3px;font-size:24px;font-weight:700}.app-top-bar__subtitle{color:var(--text-muted);font-size:13px}.app-content{flex:1;min-height:0;display:flex}.app-main{flex:1;width:100%;max-width:960px;padding:28px 36px 36px;overflow-y:auto}.app-content--chat-open .app-main{max-width:none}.app-content--chat-open>.chat-panel{flex-shrink:0;width:50%}.app-content--chat-open>.app-main{width:50%}.storage-warning{border-radius:var(--radius-sm);color:var(--warning-text);background:var(--warning-bg);border:1px solid var(--warning-border);margin-bottom:16px;padding:12px 16px;font-size:13px}