:root {
  --bg: #13161c;
  --card: #1c212b;
  --text: #e7ebf2;
  --muted: #9ca8be;
  --accent: #3b82f6;
  --danger: #e04848;
  --border: #2b3342;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 920px;
  margin: 0 auto;
  padding: 16px;
}

h1 { font-size: 1.5rem; margin: 8px 0 14px; }
a { color: #9dc1ff; }

.grid { display: grid; gap: 12px; }
.categories { grid-template-columns: repeat(2, minmax(0, 1fr)); margin: 16px 0; }
.cards { grid-template-columns: 1fr; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 14px;
}

.pc-card img, .hero-image {
  width: 100%;
  border-radius: 10px;
  margin-bottom: 10px;
  object-fit: cover;
}

.btn {
  display: inline-block;
  background: #2a3242;
  color: white;
  border: 1px solid var(--border);
  padding: 10px 14px;
  border-radius: 10px;
  text-decoration: none;
  cursor: pointer;
}
.btn.primary { background: var(--accent); border-color: var(--accent); }
.btn.danger { background: var(--danger); border-color: var(--danger); }

textarea, input, select {
  width: 100%;
  margin-top: 6px;
  margin-bottom: 10px;
  padding: 10px;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #11151d;
  color: var(--text);
}

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.muted { color: var(--muted); }
.price { font-size: 1.15rem; font-weight: 600; }
.error { color: #ff9a9a; }

@media (min-width: 768px) {
  .categories { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}