/* Dev Standards tab styles */
.ds-container { max-width: 960px; margin: 0 auto; }
.ds-tabs { display: flex; gap: 4px; margin-bottom: 20px; border-bottom: 1px solid var(--border); }
.ds-tab {
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 10px 16px;
  cursor: pointer;
  color: var(--text-dim);
  border: none;
  background: none;
  border-bottom: 2px solid transparent;
  transition: all 0.2s;
}
.ds-tab:hover { color: var(--text); }
.ds-tab.active { color: var(--accent-violet); border-bottom-color: var(--accent-violet); }

.ds-tab-content { line-height: 1.6; font-size: 13px; }
.ds-tab-content h2 { font-size: 16px; font-weight: 600; color: var(--text-bright); margin: 24px 0 12px; }
.ds-tab-content h3 { font-size: 14px; font-weight: 600; color: var(--accent-teal); margin: 20px 0 8px; }

/* Principles grid */
.ds-principles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.ds-principle-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
  position: relative;
}
.ds-principle-num {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 900;
  color: var(--accent-violet);
  opacity: 0.3;
  position: absolute;
  top: 12px;
  right: 16px;
}
.ds-principle-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-bright);
  margin: 0 0 8px;
}
.ds-principle-desc {
  font-size: 12px;
  color: var(--text);
  margin-bottom: 8px;
}
.ds-principle-rationale {
  font-size: 11px;
  color: var(--text-dim);
  border-top: 1px solid var(--border);
  padding-top: 8px;
  margin-top: 8px;
}
.ds-principle-rationale strong { color: var(--text); }

/* Tags */
.ds-tags { display: flex; flex-wrap: wrap; gap: 4px; margin-top: 8px; }
.ds-tag {
  font-family: var(--font-mono);
  font-size: 9px;
  padding: 2px 6px;
  border-radius: 3px;
  background: rgba(139, 92, 246, 0.1);
  color: var(--accent-violet);
  border: 1px solid rgba(139, 92, 246, 0.2);
}

/* Tables */
.ds-table { width: 100%; border-collapse: collapse; margin: 12px 0; font-size: 12px; }
.ds-table th {
  text-align: left; padding: 8px 10px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-bright);
  font-family: var(--font-mono);
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ds-table td {
  padding: 8px 10px;
  border: 1px solid var(--border);
  color: var(--text);
  vertical-align: top;
}
.ds-table tr:hover td { background: var(--surface-hover); }

/* Badges */
.ds-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
  text-transform: uppercase;
}
.ds-badge.error { background: rgba(244,63,94,0.15); color: var(--accent-rose); }
.ds-badge.warning { background: rgba(245,158,11,0.15); color: var(--accent-amber); }
.ds-badge.pass { background: rgba(34,197,94,0.15); color: var(--accent-emerald); }

/* Categories grid */
.ds-categories-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 16px;
  margin-top: 12px;
}
.ds-category-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 20px;
}
.ds-category-title {
  font-size: 14px;
  font-weight: 700;
  color: var(--accent-violet);
  margin: 0 0 6px;
}
.ds-category-desc {
  font-size: 12px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.ds-category-count {
  font-family: var(--font-mono);
  font-size: 10px;
  color: var(--text-dim);
  margin-bottom: 8px;
}
.ds-category-rules {
  list-style: none;
  padding: 0;
  margin: 0;
}
.ds-category-rules li {
  font-size: 11px;
  color: var(--text);
  padding: 4px 0;
  border-bottom: 1px solid var(--table-row-border);
}
.ds-category-rules li:last-child { border-bottom: none; }
.ds-category-rules code {
  color: var(--accent-teal);
}

@media (max-width: 700px) {
  .ds-principles-grid { grid-template-columns: 1fr; }
  .ds-categories-grid { grid-template-columns: 1fr; }
}