:root {
  --bg: #0e0d12;
  --fg: #f3eee3;
  --muted: #9a9489;
  --accent: #d4af37;
  --card: #1a1820;
  --border: #2a2731;
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: 'Noto Sans Thai', -apple-system, system-ui, sans-serif;
  background: var(--bg);
  color: var(--fg);
  min-height: 100vh;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
}
.brand { display: flex; align-items: center; gap: 10px; color: var(--fg); text-decoration: none; font-weight: 600; }
.badge {
  background: var(--accent);
  color: #000;
  padding: 4px 8px;
  border-radius: 6px;
  font-weight: 800;
  font-size: 12px;
  letter-spacing: 1px;
}
.status { margin-left: auto; color: var(--muted); font-size: 14px; }

.container {
  max-width: 900px;
  margin: 40px auto;
  padding: 0 20px;
}

h1 { margin: 0 0 8px 0; font-size: 28px; }
.muted { color: var(--muted); margin: 0 0 24px 0; }

.preset-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.preset-card {
  background: var(--card);
  border: 2px solid var(--border);
  border-radius: 12px;
  padding: 12px;
  cursor: pointer;
  transition: transform .15s, border-color .15s;
  text-align: center;
}
.preset-card:hover { transform: translateY(-2px); }
.preset-card.selected { border-color: var(--accent); }
.preset-card img {
  width: 100%;
  aspect-ratio: 1;
  background: #2a2731;
  border-radius: 8px;
  object-fit: cover;
}
.preset-card .name { margin-top: 8px; font-size: 14px; }

button.primary {
  background: var(--accent);
  color: #000;
  border: 0;
  padding: 14px 28px;
  border-radius: 8px;
  font-weight: 700;
  font-size: 16px;
  cursor: pointer;
}
button.primary:disabled {
  background: var(--border);
  color: var(--muted);
  cursor: not-allowed;
}