/* Dynamic compare page — picker + side-by-side table. */

.cmp-app {
  margin: 8px 0 32px;
}

.cmp-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 12px;
  flex-wrap: wrap;
}

.cmp-toolbar-meta {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
}

.cmp-count {
  font-weight: 600;
  color: var(--text);
}

.cmp-toggle {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  color: var(--muted);
  cursor: pointer;
  user-select: none;
}

.cmp-toggle input {
  position: absolute;
  opacity: 0;
  pointer-events: none;
  width: 0;
  height: 0;
}

.cmp-toggle-label {
  padding: 3px 10px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.cmp-toggle:hover .cmp-toggle-label {
  color: var(--text);
  border-color: var(--text);
}

.cmp-toggle input:focus-visible + .cmp-toggle-label {
  outline: 2px solid var(--text);
  outline-offset: 2px;
}

.cmp-toggle input:checked + .cmp-toggle-label {
  color: var(--text);
  border-color: var(--text);
  background: var(--chip-bg, rgba(0, 0, 0, 0.04));
}

/* Clear all — sits at the right of the toolbar, only visible when there's
   at least one picked product. Quiet by default; lights up on hover. */
.cmp-clear {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  padding: 4px 12px;
  border-radius: 999px;
  font: inherit;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: color 120ms ease, border-color 120ms ease, background 120ms ease;
}

.cmp-clear:hover,
.cmp-clear:focus-visible {
  color: var(--text);
  border-color: var(--text);
  outline: none;
}

.cmp-clear[hidden] {
  display: none;
}

/* ---------- Picker ---------- */
.cmp-picker {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  padding: 14px;
  margin-bottom: 16px;
}

.cmp-picker-row {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}

.cmp-search {
  flex: 1 1 220px;
  min-width: 0;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
}

.cmp-search:focus,
.cmp-layer-filter:focus {
  outline: none;
  border-color: var(--accent);
}

.cmp-layer-filter {
  flex: 0 0 auto;
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  cursor: pointer;
}

.cmp-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  min-height: 28px;
  margin-bottom: 12px;
}

.cmp-chips-hint {
  font-size: 13px;
  color: var(--muted);
}

.cmp-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 6px 4px 10px;
  background: var(--chip-bg);
  color: var(--chip-text);
  border-radius: 999px;
  font-size: 13px;
  font-weight: 500;
}

.cmp-chip-label {
  color: var(--text);
}

.cmp-chip-badge,
.cmp-result-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 999px;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: var(--accent-soft);
  color: var(--accent);
}

.cmp-badge-ide { background: rgba(45, 92, 246, 0.12); color: #2d5cf6; }
.cmp-badge-llm { background: rgba(168, 85, 247, 0.14); color: #a855f7; }
.cmp-badge-integration { background: rgba(34, 197, 94, 0.14); color: #22c55e; }
.cmp-badge-context { background: rgba(245, 158, 11, 0.16); color: #d97706; }
.cmp-badge-agent { background: rgba(239, 68, 68, 0.14); color: #ef4444; }
.cmp-badge-others { background: rgba(107, 114, 128, 0.18); color: #6b7280; }

:root[data-theme="dark"] .cmp-badge-ide { background: rgba(90, 127, 255, 0.18); color: #8aa6ff; }
:root[data-theme="dark"] .cmp-badge-llm { background: rgba(192, 132, 252, 0.18); color: #c4a4ff; }
:root[data-theme="dark"] .cmp-badge-integration { background: rgba(74, 222, 128, 0.18); color: #86efac; }
:root[data-theme="dark"] .cmp-badge-context { background: rgba(251, 191, 36, 0.18); color: #fcd34d; }
:root[data-theme="dark"] .cmp-badge-agent { background: rgba(248, 113, 113, 0.18); color: #fca5a5; }
:root[data-theme="dark"] .cmp-badge-others { background: rgba(156, 163, 175, 0.22); color: #c7cad1; }

.cmp-chip-remove {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 16px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 999px;
  cursor: pointer;
}

.cmp-chip-remove:hover,
.cmp-chip-remove:focus-visible {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text);
  outline: none;
}

:root[data-theme="dark"] .cmp-chip-remove:hover,
:root[data-theme="dark"] .cmp-chip-remove:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.cmp-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  gap: 8px;
  max-height: 260px;
  overflow-y: auto;
  padding-right: 4px;
}

.cmp-results[hidden] {
  display: none;
}

.cmp-results-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 12px;
  font-size: 13.5px;
  color: var(--muted);
  text-align: center;
}

.cmp-result {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg);
  color: var(--text);
  text-align: left;
  font: inherit;
  cursor: pointer;
  transition: border-color 0.12s ease, transform 0.12s ease, background 0.12s ease;
}

.cmp-result:hover:not(:disabled) {
  border-color: var(--text);
  transform: translateY(-1px);
}

.cmp-result:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

.cmp-result.is-picked {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.cmp-result-name {
  font-size: 13.5px;
  font-weight: 500;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.cmp-result-action {
  font-size: 16px;
  font-weight: 600;
  color: var(--muted);
  min-width: 16px;
  text-align: center;
}

.cmp-result.is-picked .cmp-result-action {
  color: var(--accent);
}

/* ---------- Table ---------- */
.cmp-table-wrap {
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.cmp-table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  font-size: 14px;
}

.cmp-table thead th {
  position: sticky;
  top: 0;
  background: var(--surface);
  z-index: 2;
  border-bottom: 1px solid var(--border);
}

.cmp-table th,
.cmp-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--border);
  min-width: 160px;
}

.cmp-th-corner {
  width: 180px;
  min-width: 180px;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--muted);
}

.cmp-th-product {
  vertical-align: top;
}

.cmp-th-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 6px;
}

.cmp-th-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
  line-height: 1.25;
  margin-bottom: 8px;
}

.cmp-th-close {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 18px;
  line-height: 1;
  padding: 2px 6px;
  border-radius: 999px;
  cursor: pointer;
}

.cmp-th-close:hover,
.cmp-th-close:focus-visible {
  background: rgba(0, 0, 0, 0.08);
  color: var(--text);
  outline: none;
}

:root[data-theme="dark"] .cmp-th-close:hover,
:root[data-theme="dark"] .cmp-th-close:focus-visible {
  background: rgba(255, 255, 255, 0.08);
}

.cmp-th-actions {
  display: flex;
  gap: 6px;
}

.cmp-th-add {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  padding: 5px 10px;
  border-radius: 6px;
  font-size: 12.5px;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.12s ease, background 0.12s ease;
}

.cmp-th-add:hover,
.cmp-th-add:focus-visible {
  border-color: var(--text);
  outline: none;
}

.cmp-th-add.is-added {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent);
}

.cmp-row-group th {
  background: var(--bg);
  padding: 0;
  border-top: 1px solid var(--border);
}

/* Group header is a full-width toggle button so the whole bar is clickable
   to expand/collapse the rows under it. */
.cmp-group-toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 100%;
  appearance: none;
  border: none;
  background: transparent;
  color: var(--muted);
  font: inherit;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 9px 14px;
  cursor: pointer;
  text-align: left;
  transition: color 0.12s ease, background 0.12s ease;
}

.cmp-group-toggle:hover,
.cmp-group-toggle:focus-visible {
  color: var(--text);
  background: var(--chip-bg, rgba(0, 0, 0, 0.04));
  outline: none;
}

:root[data-theme="dark"] .cmp-group-toggle:hover,
:root[data-theme="dark"] .cmp-group-toggle:focus-visible {
  background: rgba(255, 255, 255, 0.05);
}

.cmp-group-caret {
  display: inline-block;
  font-size: 10px;
  line-height: 1;
  transform: rotate(90deg);
  transition: transform 0.15s ease;
}

.cmp-row-group.is-collapsed .cmp-group-caret {
  transform: rotate(0deg);
}

.cmp-group-count {
  margin-left: auto;
  font-weight: 500;
  text-transform: none;
  letter-spacing: 0;
  opacity: 0.75;
}

.cmp-th-row {
  font-weight: 600;
  color: var(--text);
  width: 180px;
  min-width: 180px;
  /* Sticky first column on horizontal scroll */
  position: sticky;
  left: 0;
  background: var(--surface);
  z-index: 1;
}

.cmp-row-group th {
  position: sticky;
  left: 0;
  /* Wider sticky for the group bar so it stays pinned with the row labels. */
}

.cmp-cell-empty {
  color: var(--muted);
}

/* Diff cells — cells whose value differs from the most common value in
   their row. Previous design used only a 3px inset border which was easy
   to miss; now combine the left stripe with a subtle background tint and
   a slightly bolder text weight so differences pop in a quick scan. */
.cmp-cell-diff {
  box-shadow: inset 3px 0 0 0 var(--accent);
  background: var(--accent-soft);
  font-weight: 500;
}

:root[data-theme="dark"] .cmp-cell-diff {
  background: rgba(90, 127, 255, 0.10);
}

.cmp-row-noattrs {
  text-align: center;
  color: var(--muted);
  font-size: 13.5px;
  padding: 20px;
}

.cmp-table td a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.cmp-table td a:hover,
.cmp-table td a:focus-visible {
  border-bottom-color: currentColor;
}

/* ---------- Empty state ---------- */
.cmp-empty {
  border: 1px dashed var(--border);
  border-radius: 12px;
  padding: 32px 20px;
  text-align: center;
  background: var(--surface);
}

.cmp-empty-title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
}

.cmp-empty-sub {
  margin: 0;
  font-size: 13.5px;
  color: var(--muted);
}

.cmp-error {
  margin: 0 0 14px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: rgba(239, 68, 68, 0.08);
  color: var(--text);
  font-size: 13.5px;
}

/* ---------- Collapsible SEO sections ----------
   Featured comparisons + Best-of guides are large card walls that push the
   page down. They start collapsed behind a clickable summary so the compare
   tool stays the focus; users expand only what they want. */
.seo-details {
  border-top: 1px solid var(--border);
  padding-top: 6px;
}

.seo-details-summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 10px 0;
  user-select: none;
}

.seo-details-summary::-webkit-details-marker {
  display: none;
}

.seo-details-summary::before {
  content: '▸';
  font-size: 13px;
  color: var(--muted);
  transition: transform 0.15s ease;
  transform: translateY(-1px);
}

.seo-details[open] > .seo-details-summary::before {
  transform: translateY(-1px) rotate(90deg);
}

.seo-details-title {
  font-size: 22px;
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--text);
}

.seo-details-hint {
  font-size: 13px;
  color: var(--muted);
  margin-left: auto;
}

.seo-details-summary:hover .seo-details-title,
.seo-details-summary:focus-visible .seo-details-title {
  color: var(--accent);
}

.seo-details-summary:focus-visible {
  outline: none;
}

/* ---------- Mobile ---------- */
@media (max-width: 720px) {
  .cmp-picker { padding: 12px; }
  .seo-details-title { font-size: 19px; }
  .cmp-results { max-height: 220px; }
  .cmp-table { font-size: 13.5px; }
  .cmp-table th,
  .cmp-table td { padding: 10px 12px; min-width: 140px; }
  .cmp-th-corner,
  .cmp-th-row { width: 140px; min-width: 140px; }
  .cmp-th-name { font-size: 14px; }
  .cmp-th-add { font-size: 12px; padding: 4px 8px; }
}