*{margin:0;padding:0;box-sizing:border-box}html,body{width:100%;height:100%;overflow:hidden}#app{width:100%;height:100vh}.loading-container{display:flex;align-items:center;justify-content:center;height:100vh;background:#000;color:#fff}.loading-spinner{font-size:18px;color:#6366f1}:root,:root[data-theme=light]{--bg-primary: #ffffff;--bg-secondary: #fafafa;--bg-tertiary: #f2f2f2;--bg-hover: #eaeaea;--bg-active: #e0e0e0;--text-primary: #000000;--text-secondary: #444444;--text-tertiary: #777777;--border-primary: #e0e0e0;--border-secondary: #f0f0f0;--accent-primary: #000000;--accent-hover: #151515;--accent-active: #000000;--accent-contrast: #ffffff;--success: #0f8a5f;--warning: #d48806;--error: #cc1f1f;--info: #1d4ed8;--shadow-sm: 0 1px 2px rgba(0,0,0,.08);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.1);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.12);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.14);--header-height: 64px}:root[data-theme=dark]{--bg-primary: #000000;--bg-secondary: #0a0a0a;--bg-tertiary: #141414;--bg-hover: #1a1a1a;--bg-active: #252525;--text-primary: #ffffff;--text-secondary: #b5b5b5;--text-tertiary: #858585;--border-primary: #2a2a2a;--border-secondary: #1a1a1a;--accent-primary: #ffffff;--accent-hover: #d9d9d9;--accent-active: #c2c2c2;--accent-contrast: #000000;--success: #10b981;--warning: #f59e0b;--error: #ef4444;--info: #3b82f6;--shadow-sm: 0 1px 2px 0 rgba(0,0,0,.5);--shadow-md: 0 4px 6px -1px rgba(0,0,0,.5);--shadow-lg: 0 10px 15px -3px rgba(0,0,0,.5);--shadow-xl: 0 20px 25px -5px rgba(0,0,0,.5);--header-height: 64px}*,*:before,*:after{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,sans-serif;background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;padding-top:env(safe-area-inset-top)}#app{width:100%;height:100dvh;min-height:-webkit-fill-available;overflow:hidden;background:var(--bg-primary);color:var(--text-primary);@keyframes messageSlide{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}}#app ::-webkit-scrollbar{width:8px;height:8px}#app ::-webkit-scrollbar-track{background:var(--bg-secondary)}#app ::-webkit-scrollbar-thumb{background:var(--border-primary);border-radius:4px}#app ::-webkit-scrollbar-thumb:hover{background:var(--border-secondary)}#app .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 20px;border:none;border-radius:8px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;outline:none;background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-primary)}#app .btn:hover:not(:disabled){background:var(--bg-hover);transform:translateY(-1px)}#app .btn:active:not(:disabled){transform:translateY(0)}#app .btn:disabled{opacity:.5;cursor:not-allowed}#app .btn-primary{background:var(--accent-primary);border-color:var(--accent-primary);color:var(--accent-contrast)}#app .btn-primary:hover:not(:disabled){background:var(--accent-hover);border-color:var(--accent-hover)}#app .btn-google{background:var(--bg-tertiary);border:1px solid var(--border-primary)}#app .btn-google:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent-primary)}#app input[type=text],#app input[type=email],#app input[type=password],#app textarea{width:100%;padding:10px 12px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-primary);font-size:16px;line-height:1.4;transition:all 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input{width:100%;max-width:320px;margin-left:auto;margin-right:auto}#app .auth-main-btn,#app .auth-google-btn{width:100%;max-width:320px}#app .divider{max-width:320px;margin-left:auto;margin-right:auto}#app .auth-google-btn{display:flex;margin:0 auto 12px}#app .form-group{margin-bottom:16px}#app .input-wrapper{position:relative;display:flex;align-items:center}#app .input-wrapper svg{position:absolute;left:12px;color:var(--text-tertiary)}#app .input-wrapper input{padding-left:40px}#app .error-message{background:#ef44441a;border:1px solid rgba(239,68,68,.3);color:var(--error);padding:8px 12px;border-radius:6px;font-size:13px;margin-bottom:16px}#app .divider{position:relative;text-align:center;margin:24px 0}#app .divider:before{content:"";position:absolute;top:50%;left:0;right:0;height:1px;background:var(--border-primary)}#app .divider span{position:relative;background:var(--bg-secondary);padding:0 16px;color:var(--text-tertiary);font-size:12px;text-transform:uppercase}#app .switch-mode{text-align:center;margin-top:24px;color:var(--text-secondary);font-size:14px}#app .link-btn{background:none;border:none;color:var(--accent-primary);cursor:pointer;font-size:14px;text-decoration:underline;margin-left:4px}#app .link-btn:hover{color:var(--accent-hover)}#app .app-layout{display:flex;height:100vh;overflow:hidden}#app .sidebar{width:280px;background:var(--bg-secondary);border-right:1px solid var(--border-primary);display:flex;flex-direction:column;transition:transform .3s,width .3s;overflow:hidden}#app .sidebar-header{height:var(--header-height);padding:0 20px;border-bottom:1px solid var(--border-primary);display:flex;align-items:center;justify-content:space-between;box-sizing:border-box}#app .app-title{display:flex;align-items:center;gap:10px;font-size:20px;font-weight:600}#app .sidebar-toggle{background:none;border:none;color:var(--text-primary);cursor:pointer;padding:4px;display:flex;align-items:center;justify-content:center}#app .sidebar-toggle:hover{color:var(--accent-primary)}#app .desktop-hide{display:none}#app .sidebar-nav{flex:1;padding:20px 12px;overflow-y:auto}#app .nav-item{display:flex;align-items:center;gap:12px;width:100%;padding:12px 16px;background:none;border:none;border-radius:8px;color:var(--text-secondary);font-size:14px;cursor:pointer;transition:all .2s;margin-bottom:4px;text-align:left}#app .nav-item:hover{background:var(--bg-hover);color:var(--text-primary)}#app .nav-item.active{background:var(--bg-active);color:var(--accent-primary)}#app .sidebar-footer{padding:20px;border-top:1px solid var(--border-primary)}#app .user-info{display:flex;align-items:center;gap:12px;margin-bottom:16px}#app .user-avatar{width:40px;height:40px;border-radius:50%;object-fit:cover}#app .user-details{flex:1;overflow:hidden}#app .user-name{font-size:14px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#app .user-email{font-size:12px;color:var(--text-tertiary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}#app .logout-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;width:100%;height:44px;padding:0 14px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:10px;color:var(--text-secondary);font-size:13px;line-height:1;cursor:pointer;transition:background .18s,color .18s,border-color .18s}#app .logout-btn:hover{background:var(--bg-hover);color:var(--error);border-color:var(--error)}#app .main-content{flex:1;display:flex;flex-direction:column;overflow:hidden}#app .main-header{display:flex;align-items:center;gap:16px;height:var(--header-height);padding:calc(env(safe-area-inset-top)/2) 20px 0 20px;border-bottom:1px solid var(--border-primary);background:var(--bg-secondary);box-sizing:border-box}#app .main-header h1{font-size:24px;font-weight:600}#app .chat-header-content{display:flex;align-items:center;gap:16px;flex:1}#app .chat-header-content .clear-btn{margin-left:auto}#app .chat-wrapper{height:100%}#app .chat-wrapper.hidden{display:none}#app .content-area{flex:1;overflow-y:auto;background:var(--bg-primary)}#app .settings-content{max-width:600px;margin:0 auto;padding:32px 20px}#app .settings-content h2{font-size:24px;margin-bottom:24px}#app .settings-section{margin-bottom:24px}#app .settings-section label{display:flex;align-items:center;gap:8px;margin-bottom:8px;font-size:14px;font-weight:500;color:var(--text-secondary)}#app .settings-input,#app .settings-textarea{width:100%;background:var(--bg-secondary);border:1px solid var(--border-primary)}#app .settings-input.disabled{opacity:.6}#app .settings-section small{display:block;margin-top:6px;font-size:12px;color:var(--text-tertiary)}#app .chat-container{display:flex;flex-direction:column;height:100%}#app .chat-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px;background:var(--bg-secondary);border-bottom:1px solid var(--border-primary)}#app .clear-btn{display:flex;align-items:center;justify-content:center;padding:8px;background:none;border:1px solid var(--border-primary);border-radius:8px;color:var(--text-secondary);cursor:pointer;transition:all .2s}#app .stop-btn{width:auto;padding:0 14px;background:#b91c1c;display:inline-flex;gap:4px}#app .stop-btn:hover{background:#dc2626}#app .clear-btn:hover{background:var(--bg-hover);color:var(--error);border-color:var(--error)}#app .messages-container{flex:1;overflow-y:auto;padding:20px;background:var(--bg-primary)}#app .empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;color:var(--text-tertiary);text-align:center}#app .empty-state h3{margin:16px 0 8px;font-size:20px;color:var(--text-secondary)}#app .empty-state p{font-size:14px}#app .message{display:flex;gap:12px;margin-bottom:24px;animation:messageSlide .3s ease}#app .message-avatar{width:32px;height:32px;display:flex;align-items:center;justify-content:center;border-radius:8px;flex-shrink:0}#app .message-user .message-avatar{background:var(--accent-primary);color:#fff}#app .message-assistant .message-avatar{background:var(--bg-tertiary);border:1px solid var(--border-primary);color:var(--text-secondary)}#app .message-content{flex:1}#app .message-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}#app .message-role{font-size:12px;font-weight:500;color:var(--text-secondary)}#app .message-text.markdown{font-family:var(--font-sans, system-ui, sans-serif);line-height:1.5}#app .message-text.markdown p{margin:0}#app .message-text.markdown pre{background:#111827;color:#f3f4f6;padding:12px 14px;border-radius:8px;overflow-x:auto;font-size:13px;line-height:1.4;position:relative}#app .code-block-wrapper{position:relative;margin:12px 0}#app .code-block-wrapper pre{margin:0}#app .code-copy-btn{position:absolute;top:6px;right:6px;background:#ffffff0d;color:var(--text-secondary);border:1px solid var(--border-primary);padding:4px 8px;font-size:11px;border-radius:6px;cursor:pointer;transition:background .15s,color .15s}#app .code-copy-btn:hover{background:var(--bg-hover);color:var(--text-primary)}#app .message-text.markdown code:not(pre code){background:var(--bg-tertiary);padding:2px 5px;border-radius:4px;font-size:13px}#app .message-text.markdown h1,#app .message-text.markdown h2,#app .message-text.markdown h3{font-weight:600;margin:0;line-height:1.25}#app .message-text.markdown ul,#app .message-text.markdown ol{margin:4px 0 8px 20px;padding-left:20px;list-style:disc}#app .message-text.markdown ol{list-style:decimal}#app .message-text.markdown li{margin:2px 0}#app .message-text.markdown h1+ul,#app .message-text.markdown h2+ul,#app .message-text.markdown h3+ul{margin-top:0}#app .message-text.markdown li p{margin:0}#app .message-text.markdown>*:last-child{margin-bottom:0!important}#app .message-time{font-size:11px;color:var(--text-tertiary)}#app .message-text{font-size:14px;line-height:1.6;white-space:wrap;word-wrap:break-word}#app .typing-indicator{display:flex;align-items:center;gap:6px;color:var(--text-tertiary);font-style:italic}#app .spinning{animation:spin 1s linear infinite}#app .chat-input-container{padding:0;background:transparent;border-top:1px solid var(--border-primary)}#app .chat-input-container.minimal{background:var(--bg-primary);padding:0;border-top:1px solid var(--border-primary);position:relative}#app .minimal-input-shell{position:relative;width:100%;background:transparent;border:none;border-radius:0;padding:12px 56px 12px 16px;display:flex;align-items:flex-start;min-height:60px}#app .chat-input.minimal{background:transparent;border:none;padding:0;margin:0;max-height:160px;width:100%;resize:none;font-size:14px;line-height:1.5;color:var(--text-primary)}#app .chat-input.minimal:focus{outline:none}#app .embedded-send-btn{position:absolute;right:10px;bottom:12px;height:40px;width:44px;display:flex;align-items:center;justify-content:center;background:var(--accent-primary);color:var(--accent-contrast);border:none;border-radius:12px;cursor:pointer;transition:background .2s,transform .2s}#app .embedded-send-btn:hover:not(:disabled){background:var(--accent-hover);transform:translateY(-1px)}#app .embedded-send-btn:disabled{opacity:.45;cursor:not-allowed}#app .embedded-send-btn.stop{background:#cc1f1f}#app .embedded-send-btn.stop:hover{background:#e02424}#app .input-hint.compact{margin-top:6px;font-size:11px}#app .input-hint{margin-top:8px;font-size:12px;color:var(--text-tertiary);text-align:center}#app .model-selector{position:relative;flex:1}#app .model-selector-placeholder{padding:10px 16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-tertiary);font-size:13px}#app .model-selector-trigger{display:flex;align-items:center;justify-content:space-between;width:100%;padding:10px 16px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:8px;color:var(--text-primary);font-size:14px;cursor:pointer;transition:all .2s}#app .model-selector-trigger:hover:not(:disabled){background:var(--bg-hover);border-color:var(--accent-primary)}#app .model-selector-trigger:disabled{opacity:.5;cursor:not-allowed}#app .chevron{transition:transform .2s}#app .chevron.rotate{transform:rotate(180deg)}#app .model-dropdown{position:absolute;top:calc(100% + 8px);left:0;right:0;max-width:500px;background:var(--bg-secondary);border:1px solid var(--border-primary);border-radius:12px;box-shadow:var(--shadow-xl);z-index:1000;overflow:hidden}#app .model-filters{padding:16px;border-bottom:1px solid var(--border-primary)}#app .search-box{position:relative;margin-bottom:12px}#app .search-box svg{position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--text-tertiary);pointer-events:none}#app .search-input{display:block;width:100%;padding:10px 40px 10px 12px;background:var(--bg-primary);border:1px solid var(--border-primary);border-radius:8px}#app .filter-buttons{display:flex;gap:8px}#app .filter-btn{display:flex;align-items:center;gap:6px;padding:6px 12px;background:var(--bg-tertiary);border:1px solid var(--border-primary);border-radius:6px;color:var(--text-secondary);font-size:12px;cursor:pointer;transition:all .2s}#app .filter-btn:hover{background:var(--bg-hover)}#app .filter-btn.active{background:var(--accent-primary);border-color:var(--accent-primary);color:var(--accent-contrast)}#app .model-error{padding:12px 16px;background:#ef44441a;color:var(--error);font-size:13px;border-bottom:1px solid var(--border-primary)}#app .model-list{max-height:400px;overflow-y:auto}#app .no-models{padding:32px 16px;text-align:center;color:var(--text-tertiary);font-size:14px}#app .model-item{display:flex;align-items:center;width:100%;padding:12px 16px;background:none;border:none;border-bottom:1px solid var(--border-primary);color:var(--text-primary);text-align:left;cursor:pointer;transition:all .2s}#app .model-item:hover{background:var(--bg-hover)}#app .model-item.selected{background:var(--bg-active)}#app .model-item:last-child{border-bottom:none}#app .model-info{flex:1}#app .model-title{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:500;margin-bottom:4px}#app .model-meta{display:flex;align-items:center;gap:12px;font-size:12px;color:var(--text-tertiary)}#app .model-price{color:var(--success)}#app .model-badge{padding:2px 6px;background:var(--accent-primary);color:var(--accent-contrast);border-radius:4px;font-size:10px;font-weight:500}@media (max-width: 768px){#app .sidebar{position:fixed;left:0;top:0;bottom:0;z-index:100;transform:translate(-100%)}#app .sidebar-open{transform:translate(0)}#app .desktop-hide{display:flex}#app .model-dropdown{position:fixed;inset:auto 0 0;max-width:none;border-radius:12px 12px 0 0}}@media (min-width: 769px){#app .sidebar:not(.sidebar-open){width:0;border-right:none}#app .sidebar:not(.sidebar-open) .sidebar-header,#app .sidebar:not(.sidebar-open) .sidebar-nav,#app .sidebar:not(.sidebar-open) .sidebar-footer{display:none}#app .sidebar.sidebar-open{width:280px;border-right:1px solid var(--border-primary)}}