:root{--lightningcss-light:initial;--lightningcss-dark: ;color-scheme:light dark;--bg:#fafbfc;--fg:#1f2328;--muted:#57606a;--border:#d0d7de;--accent:#1a73e8;--accent-fg:#fff;--success:#1a7f37;--error:#cf222e;--warn:#9a6700;--surface:#fff;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica Neue,Arial,sans-serif;font-size:16px;line-height:1.5}@media (prefers-color-scheme:dark){:root{--lightningcss-light: ;--lightningcss-dark:initial;--bg:#0d1117;--fg:#e6edf3;--muted:#8d96a0;--border:#30363d;--accent:#58a6ff;--accent-fg:#0d1117;--success:#3fb950;--error:#f85149;--warn:#d29922;--surface:#161b22}}*{box-sizing:border-box}body{background:var(--bg);color:var(--fg);margin:0}.app-shell{flex-direction:column;gap:1.25rem;max-width:960px;margin:0 auto;padding:1.5rem;display:flex}.app-shell.iframe{padding:1rem}h1{margin:0 0 .25rem;font-size:1.5rem}h2{margin:0 0 .5rem;font-size:1.1rem}p{color:var(--muted);margin:.25rem 0}.toolbar{justify-content:space-between;align-items:center;gap:1rem;display:flex}.actions{flex-wrap:wrap;gap:.5rem;display:flex}.actions button,.actions input[type=file]+label{background:var(--accent);color:var(--accent-fg);cursor:pointer;border:none;border-radius:6px;padding:.5rem 1rem;font-size:.95rem}.actions button.secondary{background:var(--surface);color:var(--fg);border:1px solid var(--border)}.actions button:disabled{opacity:.5;cursor:not-allowed}.diagnostics,.panel{background:var(--surface);border:1px solid var(--border);border-radius:8px;padding:1rem}.diagnostics dl{grid-template-columns:max-content 1fr;gap:.25rem 1rem;margin:0;display:grid}.diagnostics dt{color:var(--muted)}.diagnostics dd{margin:0}.status{border-radius:6px;min-height:1.5rem;padding:.5rem .75rem;font-size:.95rem}.status[data-kind=success]{background:color-mix(in srgb, var(--success) 15%, transparent);color:var(--success)}.status[data-kind=error]{background:color-mix(in srgb, var(--error) 15%, transparent);color:var(--error)}.status[data-kind=warn]{background:color-mix(in srgb, var(--warn) 15%, transparent);color:var(--warn)}.status[data-kind=info]{background:color-mix(in srgb, var(--accent) 12%, transparent);color:var(--accent)}.preview-frame{border:1px solid var(--border);background:var(--surface);border-radius:8px;width:100%;height:60vh}.scorm-data{white-space:pre-wrap;background:var(--surface);border:1px solid var(--border);border-radius:6px;max-height:280px;padding:.75rem;font-family:ui-monospace,SFMono-Regular,SF Mono,Menlo,Consolas,monospace;font-size:.85rem;overflow:auto}label.field{flex-direction:column;gap:.25rem;font-size:.95rem;display:flex}input[type=text],input[type=number],input[type=url]{border:1px solid var(--border);background:var(--surface);color:var(--fg);font:inherit;border-radius:6px;padding:.4rem .6rem}