/* ── Rule cards ── */
.rule-card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  padding: 24px;
  margin-top: 20px;
  transition: border-color 0.2s;
}
.rule-card:hover { border-color: rgba(255,0,204,0.4); }

.rule-header {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.rule-icon {
  font-size: 20px;
  flex-shrink: 0;
}

.rule-title {
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: 2px;
}

.rule-desc {
  font-size: 10px;
  color: var(--muted);
  line-height: 2;
  letter-spacing: 1px;
  margin-bottom: 18px;
  border-bottom: 1px solid rgba(255,255,255,0.05);
  padding-bottom: 14px;
}

/* ── Rule grid ── */
.rule-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
}

.rule-block {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.rule-block-title {
  font-size: 9px;
  color: var(--pink);
  letter-spacing: 2px;
  margin-bottom: 4px;
  padding-bottom: 4px;
  border-bottom: 1px solid rgba(255,0,204,0.15);
}

.rule-row {
  font-size: 9px;
  color: var(--muted);
  line-height: 2;
  letter-spacing: 0.5px;
}

.rule-piece {
  color: var(--text);
  margin-right: 6px;
  font-size: 14px;
  vertical-align: middle;
}

/* Inline highlights */
.hl {
  display: inline-block;
  padding: 1px 5px;
  font-size: 8px;
  letter-spacing: 1px;
  margin-right: 4px;
}
.hl.cyan   { color: var(--cyan);   border: 1px solid rgba(0,245,255,0.3); }
.hl.blue   { color: #00aaff;       border: 1px solid rgba(0,170,255,0.3); }
.hl.yellow { color: var(--yellow); border: 1px solid rgba(255,204,0,0.3); }
.hl.orange { color: #ff8c00;       border: 1px solid rgba(255,140,0,0.3); }
.hl.pink   { color: var(--pink);   border: 1px solid rgba(255,0,204,0.3); }

/* ── Responsive ── */
@media (max-width: 600px) {
  .rule-card { padding: 16px; }
  .rule-title { font-size: 9px; }
  .rule-grid { grid-template-columns: 1fr; gap: 16px; }
  .rule-desc { font-size: 9px; }
  .rule-row  { font-size: 8px; }
}