.responsive-table tbody tr{transition:background-color .15s ease}.responsive-table tbody tr:hover{background-color:var(--bg-blue-accent)!important}.responsive-table tbody tr:active{background-color:var(--border-blue)!important}:root{--bg-page:#f5f5f5;--bg-card:#ffffff;--bg-card-alt:#fafafa;--bg-code:#f8f9fa;--bg-blue-hint:#f0f7ff;--bg-blue-accent:#e3f2fd;--bg-input:#ffffff;--bg-header:#1976d2;--bg-overlay:rgba(0,0,0,0.5);--text-primary:#333333;--text-secondary:#666666;--text-muted:#999999;--text-faint:#bbbbbb;--text-on-header:white;--border-primary:#dddddd;--border-light:#eeeeee;--border-lighter:#f0f0f0;--border-medium:#e0e0e0;--border-blue:#bbdefb;--shadow-sm:0 1px 3px rgba(0,0,0,0.1);--shadow-md:0 8px 32px rgba(0,0,0,0.3);--accent:#1976d2;--accent-hover:#1565c0;--danger:#e53935;--success:#2e7d32;--badge-admin-bg:#fff3e0;--badge-admin-text:#e65100;--badge-mod-bg:#e8f5e9;--badge-mod-text:#2e7d32;--badge-user-bg:#e3f2fd;--badge-user-text:#1976d2;--scrollbar-track:#f0f0f0;--scrollbar-thumb:#cccccc;--bg-purple:#f3e5f5;--border-purple:#ce93d8;--text-purple:#7b1fa2;--bg-purple-btn:#7b1fa2;--bg-warning:#fb8c00;--text-warning:#f57c00;--bg-error-light:#ffebee;--text-error-dark:#c62828;--border-error:#ef9a9a;--bg-blue-tag:#bbdefb;--bg-neutral-btn:#9e9e9e}[data-theme=dark]{--bg-page:#121218;--bg-card:#1e1e2e;--bg-card-alt:#1a1a28;--bg-code:#1a1a28;--bg-blue-hint:#1a2438;--bg-blue-accent:#1a3050;--bg-input:#2a2a3e;--bg-header:#1a1a2e;--bg-overlay:rgba(0,0,0,0.7);--text-primary:#e0e0e0;--text-secondary:#aaaaaa;--text-muted:#888888;--text-faint:#666666;--text-on-header:#e0e0e0;--border-primary:#3a3a4e;--border-light:#333345;--border-lighter:#2a2a3e;--border-medium:#333345;--border-blue:#1a3050;--shadow-sm:0 1px 3px rgba(0,0,0,0.3);--shadow-md:0 8px 32px rgba(0,0,0,0.5);--accent:#5c9ce6;--accent-hover:#4a8ad4;--danger:#ef5350;--success:#66bb6a;--badge-admin-bg:#3d2800;--badge-admin-text:#ffb74d;--badge-mod-bg:#1b3d1e;--badge-mod-text:#66bb6a;--badge-user-bg:#1a3050;--badge-user-text:#64b5f6;--scrollbar-track:#1a1a28;--scrollbar-thumb:#3a3a4e;--bg-purple:#2d1b3d;--border-purple:#7b1fa2;--text-purple:#ce93d8;--bg-purple-btn:#9c27b0;--bg-warning:#e65100;--text-warning:#ffb74d;--bg-error-light:#3d1515;--text-error-dark:#ef9a9a;--border-error:#c62828;--bg-blue-tag:#1a3050;--bg-neutral-btn:#616161}body{background:var(--bg-page);color:var(--text-primary);transition:background-color .2s ease,color .2s ease}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--scrollbar-track)}::-webkit-scrollbar-thumb{background:var(--scrollbar-thumb);border-radius:4px}[data-theme=dark] .sidebar-toggle-btn{background:var(--accent)!important}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.spin{animation:spin 1s linear infinite}@keyframes pulse{0%,to{opacity:1}50%{opacity:.5}}@keyframes searchProgress{0%{width:5%}15%{width:25%}40%{width:50%}65%{width:70%}85%{width:85%}to{width:95%}}.search-progress-bar{animation:searchProgress 20s ease-out forwards}body,html{overflow:hidden;height:100%;-webkit-text-size-adjust:100%}.login-box input::placeholder{color:rgba(255,255,255,.5)}.login-box input:-webkit-autofill,.login-box input:-webkit-autofill:focus,.login-box input:-webkit-autofill:hover{-webkit-text-fill-color:#ffffff;-webkit-box-shadow:inset 0 0 0 1000px rgba(255,255,255,.1);-webkit-transition:background-color 5000s ease-in-out 0s;transition:background-color 5000s ease-in-out 0s}.sidebar-transition{transition:transform .25s ease}@media (max-width:768px){.nav-sidebar{position:fixed!important;left:0!important;top:48px!important;bottom:0!important;width:240px!important;transform:translateX(-100%);transition:transform .25s ease!important}.nav-sidebar.nav-sidebar-open{transform:translateX(0)}.nav-sidebar-overlay{display:block!important;top:48px!important}.nav-sidebar-header,.nav-sidebar-mobile-toggle{display:none!important}.mobile-header-bar,.nav-conversations-btn{display:flex!important}.main-content-area{margin-top:48px!important;height:calc(100vh - 48px)!important}.chat-wrapper{flex-direction:column!important;position:relative}.chat-sidebar{position:absolute!important;top:0!important;left:0!important;bottom:0!important;width:260px!important;z-index:100!important;transform:translateX(-100%);transition:transform .25s ease;box-shadow:none}.chat-sidebar.sidebar-open{transform:translateX(0);box-shadow:4px 0 16px rgba(0,0,0,.15)}.sidebar-overlay{display:none;position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.3);z-index:99}.sidebar-overlay.visible{display:block}.sidebar-toggle-btn{display:flex!important}.chat-main{width:100%!important}.mobile-tags-toggle{display:flex!important}.chat-tags-content{display:none!important}.chat-tags-content.tags-open{display:flex!important}.chat-input-area{padding:10px 12px!important;gap:8px!important}.chat-input-area input{font-size:14px!important;padding:10px!important}.chat-input-area button{padding:10px 16px!important;font-size:14px!important}.user-message{margin-left:5%!important}.assistant-message{margin-right:2%!important}.responsive-table-wrapper{overflow-x:auto;-webkit-overflow-scrolling:touch}.responsive-table-wrapper table{min-width:600px}.docs-page{padding:12px!important}.upload-section{padding:16px!important}.upload-row{flex-direction:column!important;align-items:stretch!important}.users-page{padding:12px!important}.create-user-form{flex-direction:column!important}.create-user-form button,.create-user-form input,.create-user-form select{width:100%!important;min-width:unset!important}.login-box{margin:12px!important;padding:24px!important;max-width:unset!important}.login-title{font-size:22px!important}.modal-content{margin:12px!important;padding:24px!important}.filter-bar,.tag-management-row{flex-direction:column!important}.filter-bar{align-items:stretch!important}.search-test-page{padding:12px!important}.video-layout{flex-direction:column-reverse!important}.video-playlist-col{flex-shrink:1!important}.video-player-col,.video-playlist-col{width:100%!important}}@media (max-width:480px){.app-header-title{font-size:14px!important}.app-nav button{padding:6px 10px!important;font-size:12px!important}.chat-area{padding:12px!important}.message-content{font-size:14px!important}}.hamburger-btn{background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.3);width:36px;height:36px;border-radius:6px;font-size:20px;line-height:1}.hamburger-btn,.sidebar-toggle-btn{display:none;align-items:center;justify-content:center;color:white;cursor:pointer}.sidebar-toggle-btn{background:#1976d2;border:none;width:32px;height:32px;border-radius:6px;font-size:16px;position:absolute;top:8px;left:8px;z-index:50}.pwa-install-banner{display:none;position:fixed;bottom:16px;left:16px;right:16px;background:#1976d2;color:white;padding:14px 20px;border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,.3);z-index:2000;align-items:center;justify-content:space-between;gap:12px;font-size:14px}.pwa-install-banner.visible{display:flex}.pwa-install-btn{background:white;color:#1976d2;border:none;padding:8px 16px;border-radius:8px;font-weight:700;cursor:pointer;white-space:nowrap}.pwa-dismiss-btn{background:transparent;color:rgba(255,255,255,.8);border:1px solid rgba(255,255,255,.3);padding:8px 12px;border-radius:8px;cursor:pointer;white-space:nowrap}