:root{color-scheme:light;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:#f6f7f8;color:#15191f}*{box-sizing:border-box}body{margin:0}button,select,textarea,input{font:inherit}.loading{min-height:100vh;display:grid;place-items:center;color:#4c5563}.app-shell{min-height:100vh;padding:20px}.topbar{display:flex;justify-content:space-between;gap:24px;align-items:flex-start;margin-bottom:16px}h1,h2,p{margin:0}h1{font-size:24px;line-height:1.2;letter-spacing:0}h2{font-size:15px;line-height:1.2;letter-spacing:0}.topbar p{margin-top:6px;color:#64707f;font-size:14px}.status{max-width:520px;padding:8px 10px;border:1px solid #d7dde5;background:#fff;border-radius:6px;color:#394353;font-size:13px}.controls{display:grid;grid-template-columns:minmax(180px,220px) 1fr auto;gap:12px;align-items:end;padding:14px;background:#fff;border:1px solid #dce2ea;border-radius:8px;margin-bottom:16px}.field{display:grid;gap:7px;color:#4f5c6d;font-size:13px}select{height:36px;border:1px solid #cfd6df;border-radius:6px;background:#fff;color:#15191f;padding:0 10px}.model-options{display:flex;flex-wrap:wrap;gap:8px}.checkbox-label{min-height:36px;display:inline-flex;align-items:center;gap:8px;padding:7px 10px;border:1px solid #d7dde5;border-radius:6px;background:#fafbfc;color:#283241}.actions{display:flex;gap:8px}.button{height:36px;border:1px solid #1f6f5b;border-radius:6px;padding:0 12px;display:inline-flex;align-items:center;gap:7px;cursor:pointer;white-space:nowrap}.button.primary{background:#1f6f5b;color:#fff}.button.secondary{background:#fff;border-color:#cfd6df;color:#283241}.button:disabled,.checkbox-label:has(input:disabled){opacity:.55;cursor:not-allowed}.workspace{display:grid;grid-template-columns:minmax(520px,1.35fr) minmax(300px,.65fr);gap:16px;align-items:stretch}.prompt-panel,.case-panel,.results-panel{background:#fff;border:1px solid #dce2ea;border-radius:8px;overflow:hidden}.panel-header{min-height:44px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 13px;border-bottom:1px solid #e5e9ef;color:#64707f;font-size:13px}.panel-actions{display:inline-flex;align-items:center;gap:10px}textarea{width:100%;min-height:480px;display:block;resize:vertical;border:0;padding:14px;outline:none;font-family:SFMono-Regular,Consolas,Liberation Mono,monospace;font-size:12.5px;line-height:1.48;color:#1e2633}.case-list{max-height:480px;overflow:auto}.case-row{display:grid;grid-template-columns:20px 1fr;gap:8px;padding:10px 12px;border-bottom:1px solid #edf0f4;color:#273140}.case-row strong{display:block;margin-bottom:2px;font-size:12px}.case-row span{font-size:13px;line-height:1.35}.case-row.disabled{color:#9aa4b2}.link-button{border:0;background:transparent;color:#1f6f5b;cursor:pointer;padding:0}.results-panel{margin-top:16px}.empty-state{padding:24px;display:flex;align-items:center;gap:8px;color:#64707f;font-size:14px}.table-wrap{overflow:auto;max-height:70vh}table{width:100%;border-collapse:collapse;table-layout:fixed}th,td{vertical-align:top;border-bottom:1px solid #e6eaf0;border-right:1px solid #e6eaf0;padding:10px}th{position:sticky;top:0;z-index:1;background:#f1f4f7;color:#253041;font-size:13px;text-align:left}.model-heading{display:inline-flex;align-items:center;gap:8px}th:first-child,td:first-child{width:180px}pre{margin:0;white-space:pre-wrap;word-break:break-word;font-family:inherit;font-size:13px;line-height:1.42}.case-cell strong{display:block;margin-bottom:4px}.case-cell span{color:#586577;font-size:12px;line-height:1.35}.metric{display:inline-flex;align-items:center;height:22px;padding:0 7px;margin-bottom:8px;border-radius:999px;background:#eef7f4;color:#1f6f5b;font-size:12px}.header-metric{margin-bottom:0;flex:0 0 auto}.error-box{padding:10px;border-radius:6px;background:#fff0f0;color:#9a1b1b;font-size:13px}@media(max-width:980px){.topbar,.controls,.workspace{grid-template-columns:1fr}.topbar{display:grid}.actions{flex-wrap:wrap}}