[data-theme=dark]{--bg-primary:#1e1e1e;--bg-secondary:#181818;--bg-tertiary:#252526;--bg-elevated:#2d2d2d;--bg-overlay:rgba(0, 0, 0, 0.7);--text-primary:#cccccc;--text-secondary:#9d9d9d;--text-tertiary:#6e6e6e;--text-muted:#4d4d4d;--text-inverse:#1e1e1e;--border-primary:#2d2d2d;--border-secondary:#3e3e3e;--border-focus:var(--color-accent);--bg-user-message:#252526;--bg-ai-message:#1e1e1e;--border-message:#2d2d2d;--bg-code:#1e1e1e;--text-code:#d4d4d4;--color-accent:#0078d4;--color-accent-hover:#1e8ad4;--color-accent-muted:rgba(0, 120, 212, 0.15);--shadow-xs:0 1px 2px rgba(0, 0, 0, 0.2);--shadow-sm:0 1px 3px rgba(0, 0, 0, 0.3);--shadow-md:0 4px 6px rgba(0, 0, 0, 0.3);--shadow-lg:0 10px 15px rgba(0, 0, 0, 0.4);--shadow-overlay:0 25px 50px rgba(0, 0, 0, 0.5)}[data-theme=dark] body{background-color:#0d0d0d}[data-theme=dark] .tab-bar{background-color:#181818;border-bottom-color:#252526}[data-theme=dark] .tab-item{background-color:transparent}[data-theme=dark] .tab-item:hover{background-color:#2d2d2d}[data-theme=dark] .tab-item.active,[data-theme=dark] .tab-item[aria-selected=true]{background-color:#1e1e1e;border-color:#2d2d2d}[data-theme=dark] .tab-name{color:#9d9d9d}[data-theme=dark] .tab-item.active .tab-name,[data-theme=dark] .tab-item[aria-selected=true] .tab-name{color:#ccc}[data-theme=dark] .tab-add{background-color:transparent;border-color:#3e3e3e;color:#9d9d9d}[data-theme=dark] .tab-add:hover{background-color:#2d2d2d;color:#ccc}[data-theme=dark] .preset-selector-wrapper{border-bottom-color:#3e3e3e}[data-theme=dark] .preset-select{background-color:#252526;border-color:#3e3e3e;color:#ccc;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%239d9d9d' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E")}[data-theme=dark] .preset-select:hover{border-color:#4e4e4e;background-color:#2d2d2d}[data-theme=dark] .preset-select:focus{border-color:#0078d4;background-color:#1e1e1e}[data-theme=dark] .preset-select option{background-color:#1e1e1e;color:#ccc}[data-theme=dark] .preset-select optgroup{background-color:#252526;color:#9d9d9d}[data-theme=dark] .preset-select option:disabled{color:#6e6e6e}[data-theme=dark] .settings-toggle-btn{border-color:#3e3e3e;color:#9d9d9d}[data-theme=dark] .settings-toggle-btn:hover{background-color:#2d2d2d;color:#ccc}[data-theme=dark] .input-wrapper input,[data-theme=dark] .input-wrapper textarea,[data-theme=dark] input[type=number]{background-color:#252526;border-color:#3e3e3e;color:#ccc}[data-theme=dark] .input-wrapper input:hover,[data-theme=dark] .input-wrapper textarea:hover,[data-theme=dark] input[type=number]:hover{border-color:#4e4e4e}[data-theme=dark] .input-wrapper input:focus,[data-theme=dark] .input-wrapper textarea:focus,[data-theme=dark] input[type=number]:focus{background-color:#1e1e1e;border-color:var(--color-accent)}[data-theme=dark] .input-wrapper input::placeholder,[data-theme=dark] .input-wrapper textarea::placeholder{color:#6e6e6e}[data-theme=dark] .input-toggle-password,[data-theme=dark] .input-wrapper>.copy-btn{color:#6e6e6e}[data-theme=dark] .input-toggle-password:hover,[data-theme=dark] .input-wrapper>.copy-btn:hover{background-color:#3e3e3e;color:#ccc}[data-theme=dark] input[type=range]{background:#3e3e3e}[data-theme=dark] input[type=range]::-webkit-slider-thumb{background:var(--color-accent)}[data-theme=dark] .theme-toggle{background-color:var(--color-accent)}[data-theme=dark] .theme-toggle-slider{background-color:#1e1e1e}[data-theme=dark] .theme-toggle-slider svg{color:var(--color-accent)}[data-theme=dark] .chat-area{background-color:#1e1e1e}[data-theme=dark] .chat-messages::-webkit-scrollbar-thumb{background:#3e3e3e}[data-theme=dark] .chat-messages::-webkit-scrollbar-thumb:hover{background:#4e4e4e}[data-theme=dark] .message-user .message-avatar{background-color:var(--color-accent)}[data-theme=dark] .message-content{border-color:#2d2d2d;background-color:#0c0c12}[data-theme=dark] .copy-btn{color:#6e6e6e}[data-theme=dark] .copy-btn:hover{color:#0078d4}[data-theme=dark] .copy-btn.copied{color:#4ade80}[data-theme=dark] .message-copy-btn{background:#2d2d2d;border-color:#3e3e3e;color:#9d9d9d}[data-theme=dark] .message-copy-btn:hover{background-color:#3e3e3e;color:#ccc}[data-theme=dark] .message-content code:not(pre code){background-color:#3e3e3e;color:#d4d4d4}[data-theme=dark] .code-block-wrapper{border-color:#3e3e3e}[data-theme=dark] .code-block-header{background-color:#252526;border-bottom-color:#3e3e3e}[data-theme=dark] .code-block-language{color:#858585}[data-theme=dark] .code-block-copy{border-color:#4e4e4e;color:#858585}[data-theme=dark] .code-block-copy:hover{background-color:#3e3e3e;border-color:#5e5e5e;color:#ccc}[data-theme=dark] .code-block-wrapper pre{background-color:#1e1e1e}[data-theme=dark] .message-content td,[data-theme=dark] .message-content th{border-color:#3e3e3e}[data-theme=dark] .message-content th{background-color:#252526}[data-theme=dark] .chat-input-area{background-color:#1e1e1e;border-top-color:#2d2d2d}[data-theme=dark] .chat-input{background-color:#252526;border-color:#3e3e3e;color:#ccc}[data-theme=dark] .chat-input::placeholder{color:#6e6e6e}[data-theme=dark] .chat-input-container>.copy-btn{color:#6e6e6e}[data-theme=dark] .chat-input-container>.copy-btn:hover{background-color:#3e3e3e;color:#ccc}[data-theme=dark] .chat-send-btn{background-color:var(--color-accent)}[data-theme=dark] .chat-send-btn:hover:not(:disabled){background-color:var(--color-accent-hover)}[data-theme=dark] .chat-send-btn:disabled{background-color:#3e3e3e}[data-theme=dark] .toast{background-color:#2d2d2d;border-color:#3e3e3e}[data-theme=dark] .typing-indicator span{background-color:#6e6e6e}[data-theme=dark] .chat-empty-state-icon{color:#4e4e4e}[data-theme=dark] .hljs{background:#1e1e1e;color:#d4d4d4}[data-theme=dark] .hljs-keyword,[data-theme=dark] .hljs-link,[data-theme=dark] .hljs-literal,[data-theme=dark] .hljs-section,[data-theme=dark] .hljs-selector-tag{color:#569cd6}[data-theme=dark] .hljs-addition,[data-theme=dark] .hljs-attribute,[data-theme=dark] .hljs-bullet,[data-theme=dark] .hljs-name,[data-theme=dark] .hljs-string,[data-theme=dark] .hljs-symbol,[data-theme=dark] .hljs-template-tag,[data-theme=dark] .hljs-template-variable,[data-theme=dark] .hljs-title,[data-theme=dark] .hljs-type,[data-theme=dark] .hljs-variable{color:#ce9178}[data-theme=dark] .hljs-comment,[data-theme=dark] .hljs-deletion,[data-theme=dark] .hljs-meta,[data-theme=dark] .hljs-quote{color:#6a9955}[data-theme=dark] .hljs-function,[data-theme=dark] .hljs-title.function_{color:#dcdcaa}[data-theme=dark] .hljs-class,[data-theme=dark] .hljs-title.class_{color:#4ec9b0}[data-theme=dark] .hljs-built_in,[data-theme=dark] .hljs-number{color:#b5cea8}[data-theme=dark] .hljs-params,[data-theme=dark] .hljs-property{color:#9cdcfe}[data-theme=dark] .hljs-punctuation{color:#d4d4d4}[data-theme=dark] .hljs-attr{color:#9cdcfe}[data-theme=dark] .hljs-regexp{color:#d16969}[data-theme=dark] .katex{color:#ccc}[data-theme=dark] .continue-wrapper{background-color:#181818;border-top-color:#2d2d2d}[data-theme=dark] .continue-btn{background-color:rgba(0,120,212,.15);border-color:#0078d4;color:#4da6ff}[data-theme=dark] .continue-btn:hover{background-color:#0078d4;color:#fff}[data-theme=dark] .info-tooltip{color:#6e6e6e}[data-theme=dark] .info-tooltip:hover{color:#9d9d9d}[data-theme=dark] .setting-hint{color:#6e6e6e}[data-theme=dark] .toggle-label input[type=checkbox]{accent-color:#0078d4}[data-theme=dark] .settings-group select[data-field=model-type]{background-color:#2d2d2d;border-color:#3e3e3e;color:#ccc;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' viewBox='0 0 24 24' fill='none' stroke='%236e6e6e' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E")}[data-theme=dark] .settings-group select[data-field=model-type]:hover{background-color:#3e3e3e;border-color:#4e4e4e}[data-theme=dark] .settings-group select[data-field=model-type]:focus{border-color:#0078d4;background-color:#252526;box-shadow:0 0 0 3px rgba(0,120,212,.2)}[data-theme=dark] .generated-image{box-shadow:0 4px 6px rgba(0,0,0,.4)}[data-theme=dark] .attached-image{box-shadow:0 2px 4px rgba(0,0,0,.3)}[data-theme=dark] .attached-image:hover{box-shadow:0 4px 8px rgba(0,0,0,.5)}[data-theme=dark] .action-btn{background-color:#2d2d2d;border-color:#3e3e3e;color:#9d9d9d}[data-theme=dark] .action-btn:hover{background-color:#3e3e3e;border-color:#4e4e4e;color:#ccc}[data-theme=dark] .action-btn-danger{color:#f87171;border-color:rgba(248,113,113,.3)}[data-theme=dark] .action-btn-danger:hover{background-color:rgba(248,113,113,.1);border-color:#f87171;color:#f87171}[data-theme=dark] .attach-btn{background-color:#2d2d2d;border-color:#3e3e3e;color:#9d9d9d}[data-theme=dark] .attach-btn:hover{background-color:#3e3e3e;border-color:#4e4e4e;color:#0078d4}[data-theme=dark] .attachments-preview{background-color:#252526;border-color:#3e3e3e}[data-theme=dark] .attachment-item{background-color:#1e1e1e;border-color:#3e3e3e}[data-theme=dark] .attachment-icon{color:#6e6e6e}[data-theme=dark] .attachment-name{color:#9d9d9d}[data-theme=dark] .attachment-remove{color:#6e6e6e}[data-theme=dark] .attachment-remove:hover{background-color:rgba(248,113,113,.15);color:#f87171}[data-theme=dark] .message-error{background-color:rgba(248,113,113,.08);border-color:rgba(248,113,113,.2)}[data-theme=dark] .message-error .message-header{color:#f87171}[data-theme=dark] .message-error .error-avatar{background-color:rgba(248,113,113,.15);color:#f87171}[data-theme=dark] .message-error .error-content{color:#f87171}[data-theme=dark] .message-retry-btn{color:#6e6e6e}[data-theme=dark] .message-retry-btn:hover{background-color:#3e3e3e;color:#0078d4}[data-theme=dark] .debug-box-header{color:#9d9d9d}[data-theme=dark] .debug-box-header:hover{background:#2d2d2d}[data-theme=dark] .debug-box-copy-btn{background:0 0;border-color:#3e3e3e;color:#6e6e6e}[data-theme=dark] .debug-box-copy-btn:hover{background:#2d2d2d;color:#0078d4;border-color:#0078d4}[data-theme=dark] .debug-box-arrow{color:#6e6e6e}[data-theme=dark] .debug-box-content{background:#1e1e1e}[data-theme=dark] .debug-copy-btn{background:#2d2d2d;border-color:#3e3e3e;color:#6e6e6e}[data-theme=dark] .debug-copy-btn:hover{background:#3e3e3e;color:#0078d4;border-color:#0078d4}[data-theme=dark] .error-report-btn{border-color:rgba(248,113,113,.3);color:#f87171}[data-theme=dark] .error-report-btn:hover{background:rgba(248,113,113,.1);border-color:#f87171}[data-theme=dark] .settings-toolbar{background-color:#1e1e1e;border-bottom-color:#2d2d2d}[data-theme=dark] .settings-modal-overlay{background:rgba(0,0,0,.6)}[data-theme=dark] .settings-modal-card{background-color:#1e1e1e}[data-theme=dark] .settings-modal-header{border-bottom-color:#2d2d2d}[data-theme=dark] .settings-modal-title{color:#ccc}[data-theme=dark] .settings-fieldset{border-color:#2d2d2d}[data-theme=dark] .settings-legend{color:#6e6e6e}[data-theme=dark] .settings-fieldset.disabled{opacity:.4}[data-theme=dark] .tool-entry{background:#1a1a1a;border-color:#2d2d2d}[data-theme=dark] .tool-entry:hover{border-color:#404040}[data-theme=dark] .tool-entry input[type=text]{background-color:#0f0f0f;border-color:#2d2d2d;color:#e0e0e0}[data-theme=dark] .tool-entry input[type=text]:focus{border-color:var(--color-accent)}[data-theme=dark] .tool-remove-btn{color:#555}[data-theme=dark] .tool-remove-btn:hover{color:#f87171;background:#262626}[data-theme=dark] .tools-add-btn{border-color:#333;color:#888}[data-theme=dark] .tools-add-btn:hover{border-color:var(--color-accent);color:var(--color-accent);background:rgba(0,120,212,.1)}[data-theme=dark] .thinking-block{background-color:#181818;border-left-color:rgba(0,120,212,.4)}[data-theme=dark] .thinking-block-toggle{color:#9d9d9d}[data-theme=dark] .thinking-block-toggle:hover{color:#ccc}[data-theme=dark] .thinking-block-label{color:#6e6e6e}[data-theme=dark] .thinking-block-content{color:#9d9d9d}[data-theme=dark] .message-stat-label{color:#4e4e4e}[data-theme=dark] .message-stat-value{color:#6e6e6e}