:root{color-scheme:dark;--bg: #0f1115;--surface: #171a21;--surface-hover: #1d212a;--border: #2a2e37;--text: #e8eaed;--muted: #9aa0ab;--accent: #5b8def}*{box-sizing:border-box}body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;background:var(--bg);color:var(--text)}a{color:inherit;text-decoration:none}.shell{max-width:880px;margin:0 auto;padding:40px 20px 80px}.shell-header{margin-bottom:32px}.breadcrumbs{font-size:.8125rem;color:var(--muted);margin-bottom:12px;display:flex;gap:6px}.breadcrumbs a:hover{color:var(--accent)}.shell-header h1{font-size:1.75rem;margin:0 0 6px}.subtitle{color:var(--muted);margin:0}.tile-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px}.tile{display:block;background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px;transition:border-color .15s ease,background-color .15s ease}.tile:hover{border-color:var(--accent);background:var(--surface-hover)}.tile-title-row{display:flex;align-items:baseline;justify-content:space-between;gap:8px;margin-bottom:6px}.tile-title{font-weight:600;font-size:1.0625rem}.tile-tag{font-size:.6875rem;font-family:ui-monospace,Consolas,monospace;color:var(--muted);white-space:nowrap}.tile-description{margin:0;color:var(--muted);font-size:.875rem;line-height:1.4}.feature-page{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:24px}.feature-description{font-size:1rem;line-height:1.5;margin:0 0 20px}.feature-meta{display:flex;gap:32px;margin:0 0 20px;padding-top:16px;border-top:1px solid var(--border)}.feature-meta dt{font-size:.75rem;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:4px}.feature-meta dd{margin:0;font-family:ui-monospace,Consolas,monospace;font-size:.875rem}.feature-placeholder{border:1px dashed var(--border);border-radius:10px;padding:40px 20px;text-align:center;color:var(--muted);font-size:.875rem}.origin-badge{display:inline-block;margin-top:24px;font-size:.75rem;color:var(--muted);border:1px solid var(--border);border-radius:999px;padding:4px 10px}