:root {
  --bg: #0a0a0a;
  --surface: #141414;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --text-dim: #888;
  --accent: #00ff88;
  --accent-dim: #00cc6a;
  --mono: "SF Mono", "Fira Code", "JetBrains Mono", monospace;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: var(--mono);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  min-height: 100vh;
}

a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

/* header */
.header {
  padding: 3rem 2rem 2rem;
  text-align: center;
  border-bottom: 1px solid var(--border);
}

.header h1 {
  font-size: 1.4rem;
  font-weight: 400;
  letter-spacing: 0.05em;
}

.header h1 span { color: var(--accent); }

.header p {
  color: var(--text-dim);
  font-size: 0.8rem;
  margin-top: 0.5rem;
}

.rule {
  display: inline-block;
  margin-top: 1rem;
  padding: 0.4rem 0.8rem;
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--accent);
}

/* controls */
.controls {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 2rem;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.sort-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
  margin-left: 0.5rem;
}

.sort-btn:hover, .sort-btn.active {
  color: var(--accent);
  border-color: var(--accent);
}

/* grid */
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 1px;
  background: var(--border);
  padding: 1px;
}

/* card */
.card {
  background: var(--surface);
  padding: 1.5rem;
  cursor: pointer;
  transition: background 0.15s;
}

.card:hover { background: #1a1a1a; }

.card-name {
  font-size: 0.9rem;
  color: var(--accent);
  margin-bottom: 0.5rem;
}

.card-desc {
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-bottom: 1rem;
}

.card-meta {
  display: flex;
  gap: 1.5rem;
  font-size: 0.7rem;
  color: var(--text-dim);
}

.card-meta span::before {
  content: attr(data-label);
  color: #555;
  margin-right: 0.3rem;
}

/* detail panel */
.detail {
  background: var(--surface);
  border-top: 1px solid var(--border);
  padding: 2rem;
  animation: fadeIn 0.15s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

.detail-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 1.5rem;
}

.detail-name {
  font-size: 1.1rem;
  color: var(--accent);
}

.detail-close {
  background: none;
  border: none;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 1rem;
  cursor: pointer;
}

.detail-close:hover { color: var(--text); }

.detail-body {
  font-size: 0.8rem;
}

.detail-body dt {
  color: #555;
  float: left;
  width: 100px;
}

.detail-body dd {
  margin-bottom: 0.4rem;
  margin-left: 110px;
}

.detail-body .clone-cmd {
  margin-top: 1rem;
  padding: 0.6rem;
  background: var(--bg);
  border: 1px solid var(--border);
  font-size: 0.75rem;
  color: var(--text-dim);
  user-select: all;
}

/* footer */
.footer {
  text-align: center;
  padding: 2rem;
  font-size: 0.7rem;
  color: #444;
  border-top: 1px solid var(--border);
}

@media (max-width: 600px) {
  .header { padding: 2rem 1rem 1.5rem; }
  .controls { padding: 0.75rem 1rem; }
  .grid { grid-template-columns: 1fr; }
  .detail { padding: 1.5rem 1rem; }
}