:root{--bg:#f7f7f8;--fg:#17181c;--muted:#6b7280;--card-bg:#ffffff;--border:#e5e7eb;--accent:#2563eb}@media (prefers-color-scheme:dark){:root{--bg:#101114;--fg:#f2f2f3;--muted:#9aa0aa;--card-bg:#17181c;--border:#2a2b30;--accent:#5b8def}}*{box-sizing:border-box}body,html{padding:0;margin:0;background:var(--bg);color:var(--fg);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif}a{color:inherit}main{max-width:880px;margin:0 auto;padding:48px 20px 80px}.page-header{margin-bottom:32px}.page-header h1{font-size:1.75rem;margin:0 0 8px}.page-header p{color:var(--muted);margin:0;line-height:1.5}.theme-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:16px;gap:16px;list-style:none;margin:0;padding:0}.theme-card{display:block;border:1px solid var(--border);background:var(--card-bg);border-radius:12px;padding:18px;text-decoration:none;transition:border-color .15s ease}.theme-card:hover{border-color:var(--accent)}.theme-card .theme-slug{display:inline-block;font-size:.75rem;font-family:ui-monospace,monospace;color:var(--accent);margin-bottom:8px}.theme-card h2{font-size:1.05rem;margin:0 0 6px}.theme-card p{font-size:.875rem;color:var(--muted);margin:0;line-height:1.4}.empty-state{color:var(--muted);border:1px dashed var(--border);border-radius:12px;padding:24px;text-align:center}