/* Shared layout for examples with light/dark themes */
:root {
  --bg: #0f1115;
  --panel: #151922;
  --text: #e6e9ef;
  --muted: #98a2b3;
  --border: #222938;
  --accent: #6ea8fe;
}

[data-theme="light"] {
  --bg: #ffffff;
  --panel: #f8f9fa;
  --text: #1f2328;
  --muted: #57606a;
  --border: #d0d7de;
  --accent: #0d6efd;
}

html, body { height: 100%; }
body {
  margin: 0;
  font: 14px/1.5 system-ui, Segoe UI, Roboto, Inter, Arial;
  color: var(--text);
  background: var(--bg);
}
.header {
  position: sticky; top: 0; z-index: 10;
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 20px; border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.brand { display:flex; gap:10px; align-items:center; }
.brand .dot { width:10px; height:10px; border-radius:50%; background: var(--accent); box-shadow:0 0 0 4px color-mix(in srgb, var(--accent), transparent 80%); }
.brand h1 { font-size: 16px; margin: 0; }

.container { max-width: 980px; margin: 24px auto; padding: 0 16px; }
.lead { color: var(--muted); margin-top: 8px; }

.toolbar { display:flex; gap:8px; align-items:center; }
.btn { height: 32px; padding: 0 10px; border-radius: 8px; border:1px solid var(--border); background: var(--bg); color: var(--text); cursor:pointer; }
.btn:hover { background: color-mix(in srgb, var(--bg), var(--panel)); }

.grid { display:grid; grid-template-columns: 1fr; gap: 20px; }
@media (min-width: 960px){ .grid { grid-template-columns: 1fr 1fr; } }

.card { padding: 14px; border:1px solid var(--border); border-radius: 12px; background: var(--panel); }
.card h3 { margin: 0 0 8px; }

.footer { color: var(--muted); text-align:center; padding: 30px 0; }