:root{color-scheme:light;font-family:Segoe UI,system-ui,sans-serif;line-height:1.5;--bg: #f4f1ea;--ink: #1c1917;--muted: #57534e;--card: #fffdf8;--line: #d6d3d1;--accent: #1d4ed8;--error: #b91c1c}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{background:var(--bg);color:var(--ink)}.shell{width:min(1120px,calc(100% - 32px));margin:32px auto 64px}.shell-narrow{width:min(640px,calc(100% - 32px));margin:48px auto}.card,.topbar{background:var(--card);border:1px solid var(--line);padding:24px}.topbar{display:flex;justify-content:space-between;gap:16px;align-items:center;margin-bottom:16px}.eyebrow{text-transform:uppercase;letter-spacing:.08em;font-size:.75rem;color:var(--muted);margin:0 0 8px}h1{font-size:1.6rem;margin:0 0 8px}.lede,.muted{color:var(--muted)}.form{display:flex;flex-direction:column;gap:8px;margin-top:16px}label{font-size:.9rem}input,select,textarea,button{font:inherit}input,select,textarea{padding:10px 12px;border:1px solid var(--line);background:#fff}.nav-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:0 0 16px}.nav-tabs a{color:var(--ink);text-decoration:none;border:1px solid var(--line);padding:6px 10px;background:var(--card)}.nav-tabs a.active{background:var(--accent);color:#fff;border-color:var(--accent)}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:.9rem}th,td{text-align:left;border-bottom:1px solid var(--line);padding:8px 6px;vertical-align:top}.filters{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:8px;margin-bottom:12px}.row-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center}.progress-bar{height:10px;background:var(--line)}.progress-bar span{display:block;height:10px;background:var(--accent)}.banner{padding:12px;border:1px solid var(--line);margin-bottom:12px}.banner.error{border-color:var(--error)}.notice{margin:0 0 12px;padding:10px 12px;border:1px solid #f59e0b;background:#fff7ed;color:#9a3412}.notice-inline{color:#9a3412;font-size:.9em}button{margin-top:8px;padding:10px 14px;border:0;background:var(--accent);color:#fff;cursor:pointer}button:disabled{opacity:.6;cursor:not-allowed}button.secondary{background:transparent;color:var(--ink);border:1px solid var(--line);margin-top:0}.markdown-preview{border:1px solid var(--line);padding:12px;min-height:280px;background:#fff}.markdown-preview h1,.markdown-preview h2{margin:0 0 8px}.file-tabs{display:flex;flex-wrap:wrap;gap:8px;margin:12px 0}.file-tabs button.active{background:var(--accent)}.editor-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.editor-grid textarea{width:100%;min-height:320px;font-family:ui-monospace,monospace}.readiness-list,.warning-list{margin:0;padding-left:18px}.warning-samples{margin:6px 0 12px;padding-left:18px;overflow-wrap:anywhere}.card+.card{margin-top:16px}@media(max-width:800px){.editor-grid{grid-template-columns:1fr}}