:root{--bg-base: #08090d;--bg-surface: #111318;--bg-surface-2: #161822;--bg-hover: #1a1d28;--bg-input: #0d0f15;--border: #1e2030;--border-hover: #2e3052;--border-accent: #3a3d66;--text-primary: #e2e2e9;--text-secondary: #8888a0;--text-subtle: #6b6b7b;--text-muted: #4a4a58;--accent: #7b9cff;--accent-subtle: rgba(123, 156, 255, .08);--success: #34a853;--error: #ff6b6b;--warning: #f5a623;--font-sans: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;--font-mono: "JetBrains Mono", "SF Mono", "Fira Code", "Consolas", monospace;--sidebar-width: 200px;--radius: 8px;--radius-card: 16px;--transition: .15s 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var(--transition)}.autocomplete-item:hover{background:var(--bg-hover);color:var(--text-primary)}.shortcuts-grid{display:flex;flex-direction:column;gap:4px}.shortcut-row{display:flex;align-items:center;gap:16px;padding:8px 0}.shortcut-key{display:inline-flex;align-items:center;justify-content:center;min-width:72px;padding:4px 10px;background:var(--bg-input);border:1px solid var(--border);border-radius:5px;font-family:var(--font-mono);font-size:12px;color:var(--text-primary);text-align:center;box-shadow:0 1px 0 var(--border)}.shortcut-desc{font-size:14px;color:var(--text-secondary)}.error-message{color:var(--error);padding:12px 16px;background:#ff6b6b14;border:1px solid rgba(255,107,107,.15);border-radius:var(--radius);margin-bottom:20px;font-size:14px}.empty-state{color:var(--text-muted);text-align:center;padding:64px 24px}.empty-state p{margin-top:10px;font-size:14px}.query-layout{display:flex;height:100%;overflow:hidden}.query-main{flex:1;overflow-y:auto;min-width:0}.history-sidebar{width:300px;min-width:300px;background:var(--bg-surface);border-left:1px solid var(--border);display:flex;flex-direction:column;height:100vh;overflow:hidden;transition:width var(--transition),min-width var(--transition),opacity var(--transition);position:relative}.history-sidebar.collapsed{width:44px;min-width:44px;border-left:1px solid var(--border);overflow:hidden}.history-toggle-area{display:flex;align-items:center;justify-content:center;height:100vh;cursor:pointer;color:var(--text-muted);transition:color var(--transition),background 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.history-item-delete{display:flex}.history-item-delete:hover{color:var(--error);background:#ff6b6b1f;border-color:#ff6b6b4d}.history-empty{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-muted);font-size:13px;padding:40px 24px;text-align:center;gap:8px}.history-empty-icon{font-size:28px;opacity:.5}.confirm-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0009;display:flex;align-items:center;justify-content:center;z-index:200}.confirm-card{background:var(--bg-surface-2);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px 28px;max-width:400px;width:90%}.confirm-card p{font-size:14px;line-height:1.6;color:var(--text-primary);margin-bottom:20px}.confirm-actions{display:flex;gap:10px;justify-content:flex-end}.settings-page{max-width:640px}.settings-section{background:var(--bg-surface-1);border:1px solid var(--border);border-radius:var(--radius-card);padding:24px;margin-bottom:20px}.section-title{font-size:16px;font-weight:600;color:var(--text-primary);margin:0 0 8px}.section-desc{font-size:13px;color:var(--text-secondary);margin:0 0 20px;line-height:1.5}.form-group{margin-bottom:18px}.form-label{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--text-primary);margin-bottom:6px}.form-input{width:100%;padding:10px 12px;background:var(--bg-surface-2);border:1px solid var(--border);border-radius:var(--radius);color:var(--text-primary);font-size:13px;font-family:JetBrains Mono,monospace;outline:none;transition:border-color .15s;box-sizing:border-box}.form-input:focus{border-color:var(--accent)}.form-input::placeholder{color:var(--text-secondary);opacity:.7}.form-hint{display:block;font-size:12px;color:var(--text-secondary);margin-top:4px}.badge{font-size:11px;padding:2px 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var(--transition)}.doc-item:hover{background:var(--bg-hover)}.doc-icon{font-size:15px;flex-shrink:0}.doc-title{flex:1;font-size:13px;color:var(--accent);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.doc-title:hover{text-decoration:underline}.doc-time{font-size:11px;color:var(--text-muted);flex-shrink:0;font-family:var(--font-mono)}@keyframes spin{0%{transform:rotate(0)}to{transform:rotate(360deg)}}.auth-input:focus{border-color:#38bdf8!important;box-shadow:0 0 0 2px #38bdf826}