:root{--bg: #f7f7fb;--bg-elevated: #ffffff;--bg-inset: #eef0f6;--text: #16181d;--text-muted: #5b616e;--border: #dcdfe6;--accent: #5b47e0;--accent-contrast: #ffffff;--success: #1c8a4b;--warning: #b9740b;--danger: #c8372f;--shadow: 0 1px 3px rgba(20, 20, 30, .08);--radius: 10px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--mono: ui-monospace, "SF Mono", Consolas, "Courier New", monospace}[data-theme=dark]{--bg: #14151a;--bg-elevated: #1c1e26;--bg-inset: #24262f;--text: #eceef2;--text-muted: #9aa0ad;--border: #33353f;--accent: #8b7bf0;--accent-contrast: #14151a;--success: #3fbf7f;--warning: #e0a53c;--danger: #e2685f;--shadow: 0 1px 3px rgba(0, 0, 0, .4)}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--text);font-family:var(--font)}button{font-family:inherit}.app-shell{max-width:1100px;margin:0 auto;padding:24px 20px 64px}.app-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.app-title{font-size:20px;font-weight:700}.app-subtitle{color:var(--text-muted);font-size:13px;margin-top:2px}.tabs{display:flex;gap:4px;background:var(--bg-inset);padding:4px;border-radius:var(--radius)}.tab-btn{border:none;background:transparent;color:var(--text-muted);padding:8px 16px;border-radius:8px;cursor:pointer;font-size:14px;font-weight:600}.tab-btn.active{background:var(--bg-elevated);color:var(--text);box-shadow:var(--shadow)}.theme-toggle{border:1px solid var(--border);background:var(--bg-elevated);color:var(--text);border-radius:999px;width:36px;height:36px;cursor:pointer;font-size:16px;display:flex;align-items:center;justify-content:center}.card{background:var(--bg-elevated);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:18px;box-shadow:var(--shadow)}.card h2{font-size:14px;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted);margin:0 0 12px}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}input[type=text],input[type=number],textarea,select{background:var(--bg-inset);border:1px solid var(--border);color:var(--text);border-radius:8px;padding:9px 12px;font-size:14px;font-family:inherit}textarea{width:100%;resize:vertical;font-family:var(--mono)}.btn{border:none;border-radius:8px;padding:9px 16px;font-size:14px;font-weight:600;cursor:pointer;background:var(--bg-inset);color:var(--text)}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--accent);color:var(--accent-contrast)}.btn-danger{background:transparent;color:var(--danger);border:1px solid var(--danger)}.pill{display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;background:var(--bg-inset);font-size:12px;color:var(--text-muted)}.pipeline-steps{display:flex;flex-direction:column;gap:6px}.pipeline-step{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-muted);padding:4px 0}.pipeline-step.active{color:var(--accent);font-weight:600}.pipeline-step.done{color:var(--success)}.step-dot{width:8px;height:8px;border-radius:50%;background:var(--border);flex-shrink:0}.pipeline-step.active .step-dot{background:var(--accent)}.pipeline-step.done .step-dot{background:var(--success)}.chunk-item{border:1px solid var(--border);border-radius:8px;padding:10px 12px;margin-bottom:8px;background:var(--bg-inset)}.chunk-meta{font-size:11px;color:var(--text-muted);margin-bottom:6px;display:flex;gap:10px;font-family:var(--mono)}.chunk-text{font-size:13px;white-space:pre-wrap;line-height:1.5}.answer-box{white-space:pre-wrap;line-height:1.6;font-size:14px}.error-banner{background:color-mix(in srgb,var(--danger) 15%,var(--bg-elevated));border:1px solid var(--danger);color:var(--danger);border-radius:8px;padding:10px 14px;font-size:13px;margin-bottom:14px}.explorer-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}@media (max-width: 860px){.explorer-grid{grid-template-columns:1fr}}.field-label{font-size:12px;color:var(--text-muted);margin-bottom:4px;display:block}.field{display:flex;flex-direction:column}