:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-hover: #f0f4ff;--text-primary: #333;--text-secondary: #555;--text-muted: #888;--border-color: #d8dae0;--accent: #4a6cf7;--accent-hover: #3a5ce5;--accent-muted: #e8eeff;--success: #22c55e;--warning: #f59e0b;--error: #ef4444;--code-bg: #f7f8fa;--header-height: 52px;--header-bg: #1a1a2e;--header-text: #ffffff}[data-theme=dark]{--bg-primary: #1a1a2e;--bg-secondary: #16213e;--bg-card: #1e2a47;--bg-hover: #253555;--text-primary: #e0e0e0;--text-secondary: #a0a8b8;--text-muted: #6b7280;--border-color: #2d3a52;--accent: #638cff;--accent-hover: #4a6cf7;--accent-muted: #638cff2e;--success: #4ade80;--warning: #fbbf24;--error: #f87171;--code-bg: #0d1117;--header-bg: #0f0f1e;--header-text: #ffffff}*{margin:0;padding:0;box-sizing:border-box}body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica 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10px;font-size:12px}.btn-icon{display:inline-flex;align-items:center;justify-content:center;padding:4px 6px}.btn-icon svg{display:block}.markdown-content{font-size:13px;line-height:1.6;color:var(--text-primary)}.markdown-content h2{font-size:16px;margin:20px 0 8px;padding-bottom:4px;border-bottom:1px solid var(--border-color);color:var(--text-primary)}.markdown-content h3{font-size:14px;margin:16px 0 6px}.markdown-content p{margin:8px 0}.markdown-content ul,.markdown-content ol{padding-left:24px;margin:8px 0}.markdown-content li{margin:4px 0}.markdown-content code{background:var(--code-bg);padding:1px 5px;border-radius:3px;font-size:12px;font-family:Cascadia Code,Fira Code,Consolas,monospace}.markdown-content pre{background:var(--code-bg);border:1px solid var(--border-color);border-radius:6px;padding:12px;overflow-x:auto;margin:8px 0}.markdown-content pre code{background:transparent;padding:0;font-size:12px}.markdown-content table{width:100%;border-collapse:collapse;margin:8px 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center}.settings-model-select:focus{outline:none;border-color:var(--accent)}.settings-model-select option:disabled{color:var(--text-muted)}.toggle-switch{position:relative;width:36px;height:20px;border-radius:10px;border:none;background:var(--border-color);cursor:pointer;transition:background .2s;padding:0}.toggle-switch.active{background:var(--accent)}.toggle-knob{position:absolute;top:2px;left:2px;width:16px;height:16px;border-radius:50%;background:#fff;transition:transform .2s}.toggle-switch.active .toggle-knob{transform:translate(16px)}.model-switch{display:flex;border:1px solid var(--border-color);border-radius:5px;overflow:hidden}.model-switch-btn{padding:4px 12px;font-size:12px;font-weight:600;border:none;background:transparent;color:var(--text-secondary);cursor:pointer;transition:all .15s}.model-switch-btn:first-child{border-right:1px solid 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14px;display:flex;flex-direction:column;gap:12px}.assistant-insights-section{display:flex;flex-direction:column;gap:6px}.assistant-insights-title{display:flex;align-items:center;justify-content:space-between;font-size:12px;font-weight:600;color:var(--text-primary);text-transform:uppercase;letter-spacing:.04em}.assistant-insights-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}.assistant-insights-grid>div{display:flex;align-items:baseline;justify-content:space-between;font-size:12px;gap:8px}.assistant-insights-grid>div span{color:var(--text-muted)}.assistant-insights-grid>div b{color:var(--text-primary);font-variant-numeric:tabular-nums}.assistant-insights-empty{font-size:12px;color:var(--text-muted)}.assistant-statusbar{display:flex;align-items:center;justify-content:space-between;gap:8px;padding:8px 16px;border-bottom:1px solid var(--border-color);font-size:12px}.assistant-status-ok{color:var(--text-secondary)}.assistant-status-warn{color:var(--error);font-weight:500}.assistant-toast{display:flex;align-items:center;justify-content:space-between;gap:10px;margin:10px 16px 0;padding:8px 10px 8px 12px;border-radius:8px;border:1px solid var(--border-color);font-size:12px}.assistant-toast-ok{color:var(--text-secondary);background:var(--bg-secondary)}.assistant-toast-warn,.assistant-toast-error{color:var(--error);border-color:var(--error)}.assistant-toast-msg{flex:1}.assistant-toast-close{flex:none;width:20px;height:20px;line-height:1;font-size:16px;border:none;border-radius:4px;background:transparent;color:inherit;opacity:.7;cursor:pointer}.assistant-toast-close:hover{opacity:1;background:#80808026}.assistant-index-btn{padding:4px 10px;font-size:12px;font-weight:600;border:1px solid var(--border-color);border-radius:5px;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;white-space:nowrap}.assistant-index-btn:hover:not(:disabled){border-color:var(--accent);color:var(--accent)}.assistant-index-btn:disabled{opacity:.5;cursor:default}.assistant-index-actions{display:flex;gap:6px}.assistant-index-btn-secondary{font-weight:500;color:var(--text-secondary)}.assistant-index-btn-secondary:hover:not(:disabled){border-color:var(--error);color:var(--error)}.assistant-index-cancel{margin-left:auto;padding:3px 10px;font-size:12px;font-weight:600;border:1px solid var(--error);border-radius:5px;background:transparent;color:var(--error);cursor:pointer;white-space:nowrap}.assistant-index-cancel:hover:not(:disabled){background:var(--error);color:#fff}.assistant-index-cancel:disabled{opacity:.5;cursor:default}.assistant-index-progress{display:flex;align-items:center;gap:8px;padding:6px 16px;font-size:12px;color:var(--text-secondary)}.assistant-index-progress .cylon-strip{flex:1;height:6px;border-radius:3px}.assistant-index-error{color:var(--error)}.assistant-chat-progress{display:flex;align-items:center;gap:8px;padding:6px 16px;font-size:12px;color:var(--text-secondary);border-top:1px solid var(--border-color)}.assistant-chat-progress .cylon-strip{flex:1;height:6px;border-radius:3px}.assistant-messages{flex:1;overflow-y:auto;padding:16px;display:flex;flex-direction:column;gap:16px}.assistant-empty{color:var(--text-muted);font-size:13px}.assistant-empty ul{margin:8px 0;padding-left:18px}.assistant-empty li{margin:3px 0}.assistant-hint{margin-top:10px}.assistant-empty code,.assistant-hint code{font-family:var(--font-mono, monospace);font-size:12px;background:var(--bg-primary);padding:1px 5px;border-radius:4px}.assistant-msg{display:flex;flex-direction:column;gap:6px}.assistant-msg-user{align-items:flex-end}.assistant-msg-user .assistant-msg-body{background:var(--accent);color:#fff;padding:8px 12px;border-radius:12px 12px 2px;max-width:85%;white-space:pre-wrap;font-size:13px}.assistant-msg-assistant .assistant-msg-body{background:var(--bg-card);border:1px solid var(--border-color);padding:10px 14px;border-radius:2px 12px 12px;font-size:13px;color:var(--text-primary);line-height:1.5}.assistant-msg-body :first-child{margin-top:0}.assistant-msg-body :last-child{margin-bottom:0}.assistant-msg-body pre{background:var(--bg-primary);padding:8px;border-radius:6px;overflow-x:auto;font-size:12px}.assistant-msg-body code{font-family:var(--font-mono, monospace);font-size:12px}.assistant-msg-error{border-color:var(--error)!important;color:var(--error)}.assistant-msg-mode{display:flex}.assistant-mode-badge{font-size:10px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;padding:1px 8px;border-radius:10px}.mode-command{background:#e0f2e9;color:#1a7f52}.mode-rag{background:#e8eeff;color:#3a5ce5}.mode-hybrid{background:#fdecc8;color:#a86a12}[data-theme=dark] .mode-command{background:#14351f;color:#4ade80}[data-theme=dark] .mode-rag{background:#1b2a52;color:#93b0ff}[data-theme=dark] .mode-hybrid{background:#3a2c10;color:#fbbf5a}.assistant-caret{display:inline-block;width:7px;height:14px;margin-left:2px;background:var(--accent);vertical-align:text-bottom;animation:assistant-blink 1s step-start infinite}@keyframes assistant-blink{50%{opacity:0}}.assistant-citations{display:flex;flex-direction:column;gap:4px;margin-top:2px}.assistant-citation-card{display:flex;align-items:baseline;gap:8px;padding:4px 8px;border:1px solid var(--border-color);border-radius:6px;background:var(--bg-primary);font-size:11px}.assistant-citation-index{color:var(--accent);font-weight:700}.assistant-citation-symbol{color:var(--text-primary);font-weight:600}.assistant-citation-path{color:var(--text-muted);font-family:var(--font-mono, monospace);margin-left:auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.assistant-msg-meta{font-size:11px;color:var(--text-muted)}.assistant-suggestions{display:flex;flex-wrap:wrap;gap:6px;margin-top:6px}.assistant-suggestions-label{flex-basis:100%;font-size:10px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin-bottom:2px}.assistant-suggestion-chip{display:flex;flex-direction:column;align-items:flex-start;gap:1px;padding:5px 10px;border:1px solid var(--border-color);border-radius:6px;background:var(--bg-primary);cursor:pointer;text-align:left;transition:border-color .12s ease,background .12s ease}.assistant-suggestion-chip:hover{border-color:var(--accent);background:var(--bg-secondary)}.assistant-suggestion-chip.is-selected{border-color:var(--accent);box-shadow:inset 0 0 0 1px var(--accent)}.assistant-suggestion-caption{font-size:12px;font-weight:600;color:var(--text-primary)}.assistant-suggestion-path{font-size:10px;color:var(--text-muted)}.assistant-input-row{display:flex;flex-direction:column;gap:8px;padding:12px 16px;border-top:1px solid var(--border-color)}.assistant-input{width:100%;box-sizing:border-box;resize:none;border:1px solid var(--border-color);border-radius:8px;padding:8px 10px;font-family:inherit;font-size:13px;background:var(--bg-primary);color:var(--text-primary)}.assistant-input:focus{outline:none;border-color:var(--accent)}.assistant-controls-row{display:flex;align-items:center;gap:8px}.assistant-controls-spacer{flex:1}.assistant-model-select{border:1px solid var(--border-color);border-radius:8px;padding:6px 30px 6px 8px;font-family:inherit;font-size:12px;background:var(--bg-primary);color:var(--text-primary);cursor:pointer;min-width:150px;max-width:220px;appearance:none;-webkit-appearance:none;-moz-appearance:none;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath fill='none' stroke='%23888' stroke-width='1.5' d='M1 1l4 4 4-4'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center}.assistant-model-select:focus{outline:none;border-color:var(--accent)}.assistant-model-select:disabled{opacity:.5;cursor:default}.assistant-send{padding:8px 16px;font-weight:600;font-size:13px;border:none;border-radius:8px;background:var(--accent);color:#fff;cursor:pointer}.assistant-send:hover:not(:disabled){background:var(--accent-hover)}.assistant-send:disabled{opacity:.5;cursor:default}.assistant-stop{background:var(--error)}