/*
 * diff2html dark theme overrides for ClawDeck
 * Adapts diff2html's default styles to our dark UI theme
 */

/* ===== Base diff2html overrides ===== */
.d2h-wrapper {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 12px;
  line-height: 1.5;
}

.d2h-file-wrapper {
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 0.75rem;
  margin-bottom: 1rem;
  overflow: hidden;
  background: var(--bg-surface, #0a0d1a);
}

/* File header */
.d2h-file-header {
  background: var(--bg-elevated, #0f1225) !important;
  border-bottom: 1px solid var(--border, rgba(255,255,255,0.08));
  padding: 8px 12px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.15s ease;
}

.d2h-file-header:hover {
  background: rgba(255,255,255,0.04) !important;
}

.d2h-file-name-wrapper {
  display: flex;
  align-items: center;
  gap: 8px;
}

.d2h-file-name {
  color: var(--content, #e2e8f0) !important;
  font-weight: 500;
  font-size: 12px;
}

.d2h-file-stats {
  display: flex;
  align-items: center;
  gap: 4px;
}

.d2h-file-stats .d2h-lines-added {
  color: #4ade80 !important;
  background: rgba(74, 222, 128, 0.15) !important;
  border: none !important;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 600;
}

.d2h-file-stats .d2h-lines-deleted {
  color: #f87171 !important;
  background: rgba(248, 113, 113, 0.15) !important;
  border: none !important;
  border-radius: 4px;
  padding: 1px 6px;
  font-size: 10px;
  font-weight: 600;
}

/* Collapse indicator */
.d2h-file-header .d2h-file-collapse {
  display: inline-flex;
  align-items: center;
  margin-left: auto;
}

.d2h-file-header .d2h-file-collapse .d2h-selected {
  color: var(--content-muted, #64748b);
}

/* Table styles */
.d2h-diff-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.d2h-diff-tbody tr {
  border: none;
}

.d2h-diff-tbody tr td {
  border: none;
  border-bottom: 1px solid rgba(255,255,255,0.03);
}

/* Line numbers */
.d2h-code-linenumber {
  background: var(--bg-elevated, #0f1225) !important;
  color: var(--content-muted, #475569) !important;
  border-right: 1px solid var(--border, rgba(255,255,255,0.08)) !important;
  border-left: none !important;
  padding: 0 8px !important;
  text-align: right;
  min-width: 40px;
  font-size: 11px;
  user-select: none;
  vertical-align: top;
}

/* Side-by-side specific line numbers */
.d2h-code-side-linenumber {
  background: var(--bg-elevated, #0f1225) !important;
  color: var(--content-muted, #475569) !important;
  border-right: 1px solid var(--border, rgba(255,255,255,0.08)) !important;
  border-left: none !important;
  padding: 0 8px !important;
  text-align: right;
  min-width: 40px;
  font-size: 11px;
  user-select: none;
  vertical-align: top;
}

/* Code content */
.d2h-code-line,
.d2h-code-side-line {
  padding: 0 12px !important;
  white-space: pre-wrap;
  word-break: break-all;
}

.d2h-code-line-ctn {
  color: var(--content-secondary, #94a3b8);
  word-wrap: break-word;
  white-space: pre-wrap;
}

/* Context lines */
.d2h-code-line-ctn {
  background: transparent;
}

/* Addition lines */
.d2h-ins {
  background: rgba(34, 197, 94, 0.08) !important;
  border-color: rgba(34, 197, 94, 0.2) !important;
}

.d2h-ins .d2h-code-line-ctn {
  background: transparent !important;
  color: #86efac !important;
}

.d2h-ins .d2h-code-linenumber,
.d2h-ins .d2h-code-side-linenumber {
  background: rgba(34, 197, 94, 0.12) !important;
  color: rgba(74, 222, 128, 0.6) !important;
}

.d2h-ins.d2h-change {
  background: rgba(34, 197, 94, 0.08) !important;
}

/* Deletion lines */
.d2h-del {
  background: rgba(239, 68, 68, 0.08) !important;
  border-color: rgba(239, 68, 68, 0.2) !important;
}

.d2h-del .d2h-code-line-ctn {
  background: transparent !important;
  color: #fca5a5 !important;
}

.d2h-del .d2h-code-linenumber,
.d2h-del .d2h-code-side-linenumber {
  background: rgba(239, 68, 68, 0.12) !important;
  color: rgba(248, 113, 113, 0.6) !important;
}

.d2h-del.d2h-change {
  background: rgba(239, 68, 68, 0.08) !important;
}

/* Inline character-level highlights */
.d2h-ins .d2h-code-line-ctn ins,
.d2h-ins .d2h-code-line-ctn .d2h-ins {
  background: rgba(34, 197, 94, 0.25) !important;
  color: #4ade80 !important;
  text-decoration: none !important;
  border-radius: 2px;
  padding: 0 1px;
}

.d2h-del .d2h-code-line-ctn del,
.d2h-del .d2h-code-line-ctn .d2h-del {
  background: rgba(239, 68, 68, 0.25) !important;
  color: #f87171 !important;
  text-decoration: none !important;
  border-radius: 2px;
  padding: 0 1px;
}

/* Hunk headers (info lines like @@ -1,5 +1,7 @@) */
.d2h-info {
  background: rgba(96, 165, 250, 0.06) !important;
  border-bottom: 1px solid rgba(96, 165, 250, 0.1) !important;
}

.d2h-info .d2h-code-line-ctn {
  color: rgba(96, 165, 250, 0.7) !important;
  font-style: italic;
}

.d2h-info .d2h-code-linenumber,
.d2h-info .d2h-code-side-linenumber {
  background: rgba(96, 165, 250, 0.08) !important;
}

/* Side-by-side specific */
.d2h-file-side-diff {
  width: 50%;
  border-right: 1px solid var(--border, rgba(255,255,255,0.08));
}

.d2h-file-side-diff:last-child {
  border-right: none;
}

/* Empty cell in side-by-side */
.d2h-emptyplaceholder {
  background: rgba(0, 0, 0, 0.15) !important;
  border-color: transparent !important;
}

/* File diff bottom border */
.d2h-file-diff {
  overflow-x: auto;
  overflow-y: hidden;
}

/* ===== Collapsible file hunks ===== */
.d2h-file-wrapper.collapsed .d2h-file-diff,
.d2h-file-wrapper.collapsed .d2h-files-diff {
  display: none;
}

.d2h-file-wrapper .collapse-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 16px;
  height: 16px;
  font-size: 10px;
  color: var(--content-muted, #64748b);
  transition: transform 0.2s ease;
  margin-right: 4px;
  flex-shrink: 0;
}

.d2h-file-wrapper.collapsed .collapse-icon {
  transform: rotate(-90deg);
}

/* ===== View toggle button styles ===== */
.diff-view-toggle {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  background: var(--bg-elevated, #0f1225);
  border-radius: 6px;
  padding: 2px;
  border: 1px solid var(--border, rgba(255,255,255,0.08));
}

.diff-view-toggle button {
  padding: 4px 10px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 500;
  color: var(--content-muted, #64748b);
  background: transparent;
  border: none;
  cursor: pointer;
  transition: all 0.15s ease;
  white-space: nowrap;
}

.diff-view-toggle button:hover {
  color: var(--content-secondary, #94a3b8);
  background: rgba(255,255,255,0.04);
}

.diff-view-toggle button.active {
  color: var(--accent, #60a5fa);
  background: rgba(96, 165, 250, 0.15);
}

/* ===== Diff summary stats bar ===== */
.diff-summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 12px;
  background: var(--bg-elevated, #0f1225);
  border: 1px solid var(--border, rgba(255,255,255,0.08));
  border-radius: 8px;
  font-size: 12px;
  margin-bottom: 12px;
}

.diff-summary .files-count {
  color: var(--content-secondary, #94a3b8);
}

.diff-summary .additions {
  color: #4ade80;
}

.diff-summary .deletions {
  color: #f87171;
}

/* ===== Scrollbar styling for diff tables ===== */
.d2h-file-diff::-webkit-scrollbar {
  height: 6px;
}

.d2h-file-diff::-webkit-scrollbar-track {
  background: transparent;
}

.d2h-file-diff::-webkit-scrollbar-thumb {
  background: rgba(255,255,255,0.1);
  border-radius: 3px;
}

.d2h-file-diff::-webkit-scrollbar-thumb:hover {
  background: rgba(255,255,255,0.2);
}

/* ===== Loading skeleton for diff ===== */
.diff-skeleton {
  animation: diff-pulse 1.5s ease-in-out infinite;
}

@keyframes diff-pulse {
  0%, 100% { opacity: 0.4; }
  50% { opacity: 0.8; }
}

/* ===== No diff message ===== */
.diff-empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 3rem 1rem;
  color: var(--content-muted, #64748b);
}

.diff-empty-state .icon {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  opacity: 0.5;
}

/* ===== File list ===== */
.d2h-file-list-wrapper {
  display: none !important;
}

/* ===== Override any remaining light backgrounds ===== */
.d2h-wrapper,
.d2h-file-wrapper,
.d2h-file-diff,
.d2h-diff-table,
.d2h-diff-tbody,
.d2h-code-line,
.d2h-code-side-line {
  background-color: transparent !important;
}

/* Remove borders that look odd in dark mode */
.d2h-diff-tbody > tr > td {
  border-left: none !important;
}

/* Side-by-side separator */
.d2h-file-side-diff + .d2h-file-side-diff {
  border-left: 1px solid var(--border, rgba(255,255,255,0.08));
}