/* ============================================
   MODEL COMPARE — Styles
   Uses design tokens from _variables.css
   ============================================ */

/* ===== Layout ===== */
.mc-layout {
  display: flex;
  height: 100vh;
  width: 100%;
  overflow: hidden;
}

.mc-layout__sidebar {
  width: 360px;
  min-width: 320px;
  max-width: 420px;
  height: 100%;
  overflow: hidden;
  background: var(--bg-surface);
  border-right: 1px solid var(--cde-border);
  display: flex;
  flex-direction: column;
}

.mc-layout__header {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-lg) var(--spacing-lg) var(--spacing-md);
  border-bottom: 1px solid var(--cde-border);
}

.mc-layout__sidebar-body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-lg);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.mc-layout__title {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  margin: 0;
}

.mc-layout__close {
  border: none;
  background: none;
  cursor: pointer;
  font-size: var(--font-size-md);
  color: var(--text-muted);
  padding: var(--spacing-xs);
  border-radius: var(--radius-sm);
}
.mc-layout__close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.mc-layout__viewer {
  flex: 1;
  position: relative;
  overflow: hidden;
  background: var(--bg-lighter);
}

/* ===== Version Selector ===== */
.mc-version-selector {
  padding: var(--spacing-md) 0;
}

.mc-version-selector__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--spacing-sm);
}

.mc-version-selector__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.mc-version-selector__quick {
  font-size: var(--font-size-xs);
  color: var(--color-primary);
  cursor: pointer;
  border: none;
  background: none;
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
}
.mc-version-selector__quick:hover {
  background: var(--color-primary-bg);
}

.mc-version-selector__selects {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
}

.mc-version-selector__field {
  flex: 1;
  min-width: 0;
}

.mc-version-selector__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.mc-version-selector__select {
  width: 100%;
  padding: var(--select-padding-y) var(--select-padding-x);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid var(--select-border-color);
  border-radius: var(--select-border-radius);
  background: var(--select-bg-color);
  color: var(--select-text-color);
  cursor: pointer;
  transition: var(--select-transition);
}
.mc-version-selector__select:hover {
  border-color: var(--select-hover-border);
}
.mc-version-selector__select:focus {
  border-color: var(--select-focus-border);
  box-shadow: 0 0 0 3px var(--select-focus-shadow);
  outline: none;
}
.mc-version-selector__select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.mc-version-selector__arrow {
  color: var(--text-muted);
  font-size: var(--font-size-lg);
  flex-shrink: 0;
  margin-top: 16px;
}

.mc-version-selector__hint {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin: var(--spacing-sm) 0 0;
}

.mc-version-selector__actions {
  margin-top: var(--spacing-md);
  display: flex;
  justify-content: flex-end;
}

.mc-version-selector__compare {
  min-width: 120px;
}

/* ===== Progress Bar ===== */
.mc-progress {
  padding: var(--spacing-md) 0;
}

.mc-progress__steps {
  display: flex;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.mc-progress__step {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.mc-progress__step-dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--gray-300);
  transition: background var(--transition-fast);
}

.mc-progress__step.active .mc-progress__step-dot {
  background: var(--color-primary);
  box-shadow: 0 0 0 3px var(--color-primary-bg);
}

.mc-progress__step.done .mc-progress__step-dot {
  background: var(--color-success);
}

.mc-progress__bar-container {
  height: 4px;
  background: var(--gray-200);
  border-radius: var(--radius-full);
  overflow: hidden;
}

.mc-progress__bar {
  height: 100%;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: width 0.4s ease;
}

.mc-progress__label {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
  text-align: center;
}

.mc-progress__label--error {
  color: var(--color-danger);
}

/* ===== Summary Bar ===== */
.mc-summary {
  padding: var(--spacing-sm) 0;
  border-bottom: 1px solid var(--cde-border);
}

.mc-summary__badges {
  display: flex;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
}

.mc-summary__total {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-top: var(--spacing-xs);
}

/* ===== Badge ===== */
.mc-badge {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-full);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-fast);
  background: var(--gray-100);
  color: var(--text-secondary);
}

.mc-badge:hover {
  background: var(--gray-200);
}

.mc-badge--active {
  border-color: currentColor;
}

.mc-badge--added {
  color: #2e7d32;
  background: #e8f5e9;
}
.mc-badge--added.mc-badge--active {
  background: #c8e6c9;
  border-color: #4CAF50;
}

.mc-badge--removed {
  color: #c62828;
  background: #ffebee;
}
.mc-badge--removed.mc-badge--active {
  background: #ffcdd2;
  border-color: #F44336;
}

.mc-badge--modified {
  color: #7c6200;
  background: #fffde7;
}
.mc-badge--modified.mc-badge--active {
  background: #fff9c4;
  border-color: #FFD600;
}

.mc-badge--clear {
  color: var(--text-muted);
  font-size: var(--font-size-xxs);
  text-decoration: underline;
  background: none;
}

.mc-badge__count {
  font-weight: var(--font-weight-bold);
}

/* ===== Color Dot ===== */
.mc-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  flex-shrink: 0;
}

.mc-dot--added { background: #4CAF50; }
.mc-dot--removed { background: #F44336; }
.mc-dot--modified { background: #FFD600; }

/* ===== Change Badge (inline) ===== */
.mc-change-badge {
  font-size: var(--font-size-xxs);
  padding: 1px var(--spacing-xs);
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-medium);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  flex-shrink: 0;
}

.mc-change-badge--added {
  color: #2e7d32;
  background: #e8f5e9;
}
.mc-change-badge--removed {
  color: #c62828;
  background: #ffebee;
}
.mc-change-badge--modified {
  color: #7c6200;
  background: #fffde7;
}

/* ===== Category Filter ===== */
.mc-category-filter {
  padding: var(--spacing-sm) 0;
}

.mc-category-filter__label {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  margin-bottom: var(--spacing-xs);
}

.mc-category-filter__select {
  width: 100%;
  padding: var(--select-padding-y-sm) var(--select-padding-x-sm);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid var(--select-border-color);
  border-radius: var(--select-border-radius-sm);
  background: var(--select-bg-color);
  color: var(--select-text-color);
  cursor: pointer;
}

/* ===== Change List ===== */
.mc-change-list {
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  overflow: hidden;
}

.mc-change-list__search {
  padding: var(--spacing-sm) 0;
}

.mc-change-list__input {
  width: 100%;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-sm);
  font-family: var(--font-family);
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-md);
  background: var(--bg-surface);
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
  box-sizing: border-box;
}
.mc-change-list__input:focus {
  border-color: var(--color-primary);
  outline: none;
  box-shadow: 0 0 0 3px var(--select-focus-shadow);
}

.mc-change-list__items {
  flex: 1;
  overflow-y: auto;
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-md);
  background: var(--bg-lighter);
}

.mc-change-list__row {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-sm) var(--spacing-md);
  border-bottom: 1px solid var(--gray-100);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.mc-change-list__row:last-child {
  border-bottom: none;
}
.mc-change-list__row:hover {
  background: var(--bg-hover);
}
.mc-change-list__row--selected {
  background: var(--color-primary-bg);
  border-left: 3px solid var(--color-primary);
}

.mc-change-list__info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.mc-change-list__name {
  font-size: var(--font-size-sm);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mc-change-list__type {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
}

.mc-change-list__empty {
  padding: var(--spacing-2xl);
  text-align: center;
  color: var(--text-muted);
  font-size: var(--font-size-sm);
}

.mc-change-list__count {
  font-size: var(--font-size-xxs);
  color: var(--text-light);
  padding: var(--spacing-xs) 0;
  text-align: right;
}

/* ===== Element Detail Panel ===== */
.mc-detail {
  padding: var(--spacing-sm) 0;
  border-top: 1px solid var(--cde-border);
}

.mc-detail__header {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-sm);
  padding-bottom: var(--spacing-sm);
  border-bottom: 1px solid var(--gray-100);
}

.mc-detail__header .mc-dot {
  margin-top: 4px;
}

.mc-detail__name {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.mc-detail__meta {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
  word-break: break-all;
}

.mc-detail__body {
  margin-top: var(--spacing-sm);
}

.mc-detail__loading,
.mc-detail__info,
.mc-detail__empty {
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  text-align: center;
  padding: var(--spacing-lg);
}

.mc-detail__table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--font-size-xs);
}

.mc-detail__table th {
  text-align: left;
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--cde-border);
  font-size: var(--font-size-xxs);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
}

.mc-detail__table td {
  padding: var(--spacing-xs) var(--spacing-sm);
  border-bottom: 1px solid var(--gray-100);
  color: var(--text-primary);
  word-break: break-word;
}

.mc-detail__prop-name {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  max-width: 120px;
}

.mc-detail__prop-old {
  color: var(--color-danger);
  text-decoration: line-through;
}

.mc-detail__prop-new {
  color: var(--color-success);
  font-weight: var(--font-weight-medium);
}

/* ===== Error state ===== */
.mc-error {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  font-size: var(--font-size-md);
  color: var(--text-muted);
}

/* ===== Viewer Toolbar ===== */
.mc-viewer-toolbar {
  position: absolute;
  top: var(--spacing-md);
  left: 50%;
  transform: translateX(-50%);
  z-index: 10;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(8px);
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-xs) var(--spacing-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.12);
  pointer-events: all;
}

.mc-viewer-toolbar__versions {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
}

.mc-viewer-toolbar__ver-badge {
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 2px var(--spacing-sm);
  border-radius: var(--radius-sm);
}

.mc-viewer-toolbar__ver-badge--a {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

.mc-viewer-toolbar__ver-badge--b {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.mc-viewer-toolbar__sep {
  font-size: var(--font-size-xs);
  color: var(--text-muted);
  padding: 0 2px;
}

.mc-viewer-toolbar__actions {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  border-left: 1px solid var(--cde-border);
  padding-left: var(--spacing-md);
}

.mc-viewer-toolbar__btn {
  font-size: var(--font-size-xs);
  padding: 3px var(--spacing-sm);
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-sm);
  background: var(--bg-surface);
  color: var(--text-primary);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.mc-viewer-toolbar__btn:hover {
  background: var(--bg-hover);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.mc-viewer-toolbar__legend {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
}

.mc-legend-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
}
.mc-legend-dot--added { background: #4CAF50; }
.mc-legend-dot--removed { background: #F44336; }
.mc-legend-dot--modified { background: #FFD600; }

/* ===== Version Preview Cards ===== */
.mc-version-selector__cards {
  display: flex;
  align-items: stretch;
  gap: var(--spacing-sm);
  margin-bottom: var(--spacing-sm);
}

.mc-version-selector__swap {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  flex-shrink: 0;
  font-size: 18px;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
  padding: 0 2px;
  margin-top: 16px;
}
.mc-version-selector__swap:hover {
  background: var(--bg-hover);
  color: var(--color-primary);
}

.mc-vcard {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-md);
  padding: var(--spacing-sm);
  background: var(--bg-lighter);
  transition: border-color var(--transition-fast);
}
.mc-vcard:hover {
  border-color: var(--color-primary-lighter);
}

.mc-vcard__label {
  font-size: var(--font-size-xxs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wide);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.mc-vcard__badge {
  font-size: 10px;
  font-weight: var(--font-weight-bold);
  padding: 1px 6px;
  border-radius: var(--radius-sm);
}
.mc-vcard__badge--old {
  background: #ffebee;
  color: #c62828;
}
.mc-vcard__badge--new {
  background: #e8f5e9;
  color: #2e7d32;
}

.mc-vcard__thumb {
  width: 100%;
  aspect-ratio: 3/2;
  border-radius: var(--radius-sm);
  overflow: hidden;
  background: var(--bg-surface);
  border: 1px solid var(--gray-100);
  display: flex;
  align-items: center;
  justify-content: center;
}

.mc-vcard__thumb-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.mc-vcard__thumb-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0.6;
}
.mc-vcard__thumb-placeholder svg {
  width: 80px;
  height: 60px;
}

.mc-vcard__info {
  display: flex;
  flex-direction: column;
  gap: 1px;
}

.mc-vcard__version {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
}

.mc-vcard__date {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
}

.mc-vcard__size {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
}

.mc-vcard__author {
  font-size: var(--font-size-xxs);
  color: var(--text-light);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mc-vcard__empty-hint {
  font-size: var(--font-size-xs);
  color: var(--text-light);
  text-align: center;
  padding: var(--spacing-xs) 0;
}

.mc-vcard__select {
  width: 100%;
  padding: var(--select-padding-y-sm) var(--select-padding-x-sm);
  font-size: var(--font-size-xs);
  font-family: var(--font-family);
  border: 1px solid var(--select-border-color);
  border-radius: var(--select-border-radius-sm);
  background: var(--select-bg-color);
  color: var(--select-text-color);
  cursor: pointer;
}
.mc-vcard__select:focus {
  border-color: var(--color-primary);
  outline: none;
}
.mc-vcard__select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== CDE Drawer — Quick Compare Button ===== */
.ver-compare-quick-btn {
  padding: 4px 10px;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-lighter);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition-fast);
  white-space: nowrap;
}
.ver-compare-quick-btn:hover {
  background: var(--color-primary-light);
  color: white;
  border-color: var(--color-primary);
}

/* ===== Viewer Header — Compare Button ===== */
.btn-compare-versions {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: 10px var(--spacing-md);
  font-size: var(--font-size-base);
  font-family: var(--font-family);
  font-weight: var(--font-weight-medium);
  color: var(--color-primary);
  background: var(--color-primary-bg);
  border: 1px solid var(--color-primary-lighter);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.btn-compare-versions:hover {
  background: var(--color-primary-lightest);
  border-color: var(--color-primary-light);
}
.btn-compare-versions svg {
  width: 16px;
  height: 16px;
}
.btn-compare-versions:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* ===== View Mode Toggle ===== */
.mc-viewer-toolbar__view-mode {
  display: flex;
  align-items: center;
  gap: 2px;
  border-left: 1px solid var(--cde-border);
  border-right: 1px solid var(--cde-border);
  padding: 0 var(--spacing-sm);
}

.mc-viewer-toolbar__mode-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px var(--spacing-sm);
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--text-muted);
  font-size: var(--font-size-xs);
  cursor: pointer;
  transition: all var(--transition-fast);
}
.mc-viewer-toolbar__mode-btn:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}
.mc-viewer-toolbar__mode-btn--active {
  background: var(--color-primary-bg);
  color: var(--color-primary);
  border-color: var(--color-primary-lighter);
}

/* ===== Side-by-Side Overlay ===== */
.mc-layout__viewer--sbs {
  overflow: hidden;
}

.mc-sbs-container {
  position: absolute;
  inset: 0;
  display: flex;
  pointer-events: auto;
  z-index: 5;
}

.mc-sbs-pane {
  flex: 1;
  position: relative;
  border: none;
  overflow: hidden;
}

.mc-sbs-pane:first-child {
  border-right: 2px solid rgba(255,255,255,0.7);
}

.mc-sbs-divider {
  width: 2px;
  background: rgba(255,255,255,0.8);
  box-shadow: 0 0 8px rgba(0,0,0,0.3);
  z-index: 1;
}

.mc-sbs-label {
  position: absolute;
  bottom: 90px;
  left: 12px;
  z-index: 10;
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  padding: 3px 10px;
  border-radius: var(--radius-sm);
  pointer-events: none;
}

.mc-sbs-label--old {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

.mc-sbs-label--new {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

/* ===== Floating Info Panel (Autodesk-style) ===== */
.mc-info-panel {
  position: fixed;
  top: 80px;
  right: 20px;
  width: 360px;
  max-height: 70vh;
  display: flex;
  flex-direction: column;
  background: var(--bg-surface);
  border: 1px solid var(--cde-border);
  border-radius: var(--radius-md);
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  z-index: 100;
  overflow: hidden;
  resize: vertical;
}

.mc-info-panel__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-lighter);
  border-bottom: 1px solid var(--cde-border);
  cursor: grab;
  user-select: none;
  flex-shrink: 0;
}
.mc-info-panel__header:active { cursor: grabbing; }

.mc-info-panel__header-main {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  min-width: 0;
  flex: 1;
}

.mc-info-panel__title-group {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  flex: 1;
}

.mc-info-panel__title {
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.mc-info-panel__subtitle {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
}

.mc-info-panel__type-badge {
  font-size: var(--font-size-xxs);
  padding: 2px 7px;
  border-radius: var(--radius-sm);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.mc-info-panel__type-badge--added    { background: #e8f5e9; color: #2e7d32; }
.mc-info-panel__type-badge--removed  { background: #ffebee; color: #c62828; }
.mc-info-panel__type-badge--modified { background: #fffde7; color: #f57f17; }

.mc-info-panel__close {
  border: none;
  background: none;
  cursor: pointer;
  font-size: var(--font-size-sm);
  color: var(--text-muted);
  padding: 2px 6px;
  border-radius: var(--radius-sm);
  flex-shrink: 0;
  line-height: 1;
}
.mc-info-panel__close:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.mc-info-panel__tabs {
  display: flex;
  border-bottom: 1px solid var(--cde-border);
  flex-shrink: 0;
}

.mc-info-panel__tab {
  flex: 1;
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  border: none;
  background: none;
  color: var(--text-muted);
  cursor: pointer;
  border-bottom: 2px solid transparent;
  transition: all var(--transition-fast);
}
.mc-info-panel__tab:hover {
  color: var(--text-primary);
  background: var(--bg-hover);
}
.mc-info-panel__tab--active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
  background: none;
}

.mc-info-panel__body {
  flex: 1;
  overflow-y: auto;
  padding: var(--spacing-sm) var(--spacing-md);
  font-size: var(--font-size-xs);
}

.mc-info-panel__loading,
.mc-info-panel__no-props {
  text-align: center;
  color: var(--text-muted);
  padding: var(--spacing-lg);
  font-size: var(--font-size-sm);
}

.mc-info-panel__change-summary {
  display: flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-medium);
  margin-bottom: var(--spacing-sm);
}
.mc-info-panel__change-summary--added    { background: #e8f5e9; color: #2e7d32; }
.mc-info-panel__change-summary--removed  { background: #ffebee; color: #c62828; }
.mc-info-panel__change-summary--modified { background: #fffde7; color: #e65100; }

.mc-info-panel__id-row {
  display: flex;
  align-items: baseline;
  gap: var(--spacing-sm);
  padding: var(--spacing-xs) 0;
  border-bottom: 1px solid var(--gray-100);
  margin-bottom: var(--spacing-sm);
}
.mc-info-panel__id-label {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
  font-weight: var(--font-weight-semibold);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  flex-shrink: 0;
}
.mc-info-panel__id-value {
  font-size: var(--font-size-xxs);
  color: var(--text-secondary);
  word-break: break-all;
  font-family: monospace;
}

.mc-info-panel__geom-note {
  font-size: var(--font-size-xxs);
  color: var(--text-muted);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--gray-50, #fafafa);
  border-radius: var(--radius-sm);
  margin-bottom: var(--spacing-sm);
}

/* Change diff rows */
.mc-info-panel__diff-header {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-xs);
  font-size: var(--font-size-xxs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  border-bottom: 1px solid var(--cde-border);
  margin-bottom: 2px;
}

.mc-info-panel__diff-row {
  display: grid;
  grid-template-columns: 2fr 1.5fr 1.5fr;
  gap: var(--spacing-xs);
  padding: 4px var(--spacing-xs);
  border-radius: var(--radius-sm);
  transition: background var(--transition-fast);
}
.mc-info-panel__diff-row:hover {
  background: var(--bg-hover);
}

.mc-info-panel__diff-key {
  font-weight: var(--font-weight-medium);
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mc-info-panel__diff-old {
  color: #c62828;
  text-decoration: line-through;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mc-info-panel__diff-new {
  color: #2e7d32;
  font-weight: var(--font-weight-medium);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* Property sets (collapsible) */
.mc-info-panel__pset {
  margin-bottom: var(--spacing-xs);
  border: 1px solid var(--gray-100);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.mc-info-panel__pset-name {
  padding: var(--spacing-xs) var(--spacing-sm);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  color: var(--text-secondary);
  background: var(--bg-lighter);
  cursor: pointer;
  user-select: none;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.mc-info-panel__pset-name::after {
  content: '▾';
  font-size: 10px;
  color: var(--text-muted);
}
details.mc-info-panel__pset[open] .mc-info-panel__pset-name::after {
  content: '▴';
}

.mc-info-panel__pset-body {
  padding: var(--spacing-xs) 0;
}

.mc-info-panel__prop-row {
  display: grid;
  grid-template-columns: 2fr 2fr;
  gap: var(--spacing-xs);
  padding: 3px var(--spacing-sm);
}
.mc-info-panel__prop-row:hover {
  background: var(--bg-hover);
}

.mc-info-panel__prop-key {
  color: var(--text-secondary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.mc-info-panel__prop-val {
  color: var(--text-primary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}