/* Multi-RAID Comparison Styling adhering to DESIGN.md */

.comparison-wrapper {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

/* ============================================================
   MULTI-RAID SELECTOR HEADER (1 to 3 RAIDs)
   ============================================================ */
.raid-selectors-header {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.raid-selectors-grid {
  display: grid;
  gap: var(--space-md);
  align-items: stretch;
}

.raid-selectors-grid.cols-1 {
  grid-template-columns: minmax(280px, 440px) minmax(220px, 300px);
}

.raid-selectors-grid.cols-2 {
  grid-template-columns: 1fr 1fr minmax(200px, 260px);
}

.raid-selectors-grid.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 1024px) {
  .raid-selectors-grid.cols-1,
  .raid-selectors-grid.cols-2,
  .raid-selectors-grid.cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  }
}

@media (max-width: 640px) {
  .raid-selectors-grid.cols-1,
  .raid-selectors-grid.cols-2,
  .raid-selectors-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

.raid-selector-card {
  background: var(--color-surface-low);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-base);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-xs);
  min-height: 84px;
}

.selector-label-group {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}

.selector-header-actions {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.selector-tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--color-primary-brand);
  letter-spacing: 0.05em;
  white-space: nowrap;
}

.btn-remove-raid {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: transparent;
  border: 1px solid rgba(220, 38, 38, 0.3);
  color: #dc2626;
  border-radius: var(--radius-sm, 4px);
  padding: 2px 7px;
  font-size: 0.6875rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s ease;
  font-family: var(--font-body);
}

.btn-remove-raid:hover {
  background: rgba(220, 38, 38, 0.08);
  border-color: #dc2626;
}

.raid-select-dropdown {
  width: 100%;
  padding: var(--space-xs) var(--space-sm);
  font-family: var(--font-headline);
  font-size: 0.9375rem;
  font-weight: 700;
  background: var(--color-surface-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-base);
  color: var(--color-on-surface);
  cursor: pointer;
  transition: all 0.15s ease;
}

.raid-select-dropdown:focus {
  outline: none;
  border-color: var(--color-primary-brand);
  box-shadow: 0 0 0 2px rgba(69, 95, 171, 0.2);
}

/* Add RAID Button Card */
.raid-add-card-slot {
  display: flex;
  height: 100%;
}

.btn-add-raid-card {
  width: 100%;
  height: 100%;
  min-height: 84px;
  background: var(--color-surface-lowest);
  border: 2px dashed rgba(69, 95, 171, 0.4);
  border-radius: var(--radius-base);
  padding: var(--space-sm) var(--space-md);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  color: var(--color-primary-brand);
  cursor: pointer;
  transition: all 0.15s ease;
  text-align: left;
}

.btn-add-raid-card:hover {
  background: var(--color-surface-tint);
  border-color: var(--color-primary-brand);
  border-style: solid;
  box-shadow: var(--shadow-subtle);
  transform: translateY(-1px);
}

.btn-add-icon-wrap {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-primary-brand);
  transition: background 0.15s ease, color 0.15s ease;
}

.btn-add-raid-card:hover .btn-add-icon-wrap {
  background: var(--color-primary-brand);
  color: #ffffff;
}

.btn-add-text-wrap {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.btn-add-title {
  font-family: var(--font-headline);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--color-primary-brand);
}

.btn-add-desc {
  font-size: 0.6875rem;
  color: var(--color-on-surface-variant);
}

/* ============================================================
   MULTI-RAID VISUAL COMPARISON BARS
   ============================================================ */
.visual-comparison-panel {
  background: var(--color-surface-lowest);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-base);
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

/* Legend */
.comparison-legend {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-wrap: wrap;
  gap: var(--space-lg);
  font-size: 0.8125rem;
  font-weight: 600;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.legend-swatch {
  width: 12px;
  height: 12px;
  border-radius: 2px;
}

.legend-swatch.swatch-usable {
  background: var(--color-usable);
}

.legend-swatch.swatch-protection {
  background: var(--color-protection);
}

.legend-swatch.swatch-unused {
  background: var(--color-unused);
}

.legend-swatch.swatch-spare {
  background: var(--color-spare);
}

/* Stacked Bars Container */
.bars-container {
  display: flex;
  flex-direction: column;
  gap: var(--space-md);
}

.bar-row {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.bar-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.8125rem;
  gap: var(--space-sm);
}

.bar-raid-name {
  font-family: var(--font-headline);
  font-weight: 700;
  color: var(--color-on-surface);
}

.bar-summary-stats {
  font-family: var(--font-mono);
  color: var(--color-on-surface-variant);
  font-size: 0.75rem;
  white-space: nowrap;
}

.stacked-bar-outer {
  width: 100%;
  height: 28px;
  background: var(--color-surface-dim);
  border-radius: var(--radius-base);
  overflow: hidden;
  display: flex;
  border: 1px solid rgba(0, 0, 0, 0.08);
}

.stacked-segment {
  height: 100%;
  transition: width 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  color: #ffffff;
  overflow: hidden;
  white-space: nowrap;
}

.stacked-segment.segment-usable {
  background: var(--color-usable);
}

.stacked-segment.segment-protection {
  background: var(--color-protection);
}

.stacked-segment.segment-unused {
  background: var(--color-unused);
}

.stacked-segment.segment-spare {
  background: var(--color-spare);
}

/* ============================================================
   COMPARISON METRICS MATRIX & PIE CHARTS
   ============================================================ */
.comparison-matrix-grid {
  display: grid;
  gap: var(--space-lg);
}

.comparison-matrix-grid.cols-1 {
  grid-template-columns: minmax(280px, 540px);
  justify-content: center;
}

.comparison-matrix-grid.cols-2 {
  grid-template-columns: 1fr 1fr;
}

.comparison-matrix-grid.cols-3 {
  grid-template-columns: 1fr 1fr 1fr;
}

@media (max-width: 1024px) {
  .comparison-matrix-grid.cols-3 {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }
}

@media (max-width: 768px) {
  .comparison-matrix-grid.cols-1,
  .comparison-matrix-grid.cols-2,
  .comparison-matrix-grid.cols-3 {
    grid-template-columns: 1fr;
  }
}

.comparison-column-card {
  background: var(--color-surface-lowest);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-base);
  box-shadow: var(--shadow-subtle);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.column-card-header {
  padding: var(--space-md);
  background: var(--color-surface-subtle);
  border-bottom: 1px solid var(--color-border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-xs);
}

.column-header-right {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
}

.column-card-title {
  font-family: var(--font-headline);
  font-size: 1.125rem;
  font-weight: 700;
}

.btn-remove-column {
  background: transparent;
  border: 1px solid var(--color-border-subtle);
  border-radius: 50%;
  width: 22px;
  height: 22px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-remove-column:hover {
  background: rgba(220, 38, 38, 0.1);
  border-color: #dc2626;
  color: #dc2626;
}

/* ============================================================
   PIE / DONUT CHART COMPONENT
   ============================================================ */
.card-pie-chart-wrap {
  background: var(--color-surface-lowest);
  border-bottom: 1px solid var(--color-border-subtle);
  padding: var(--space-md) var(--space-md) var(--space-sm);
  display: flex;
  justify-content: center;
  align-items: center;
}

.pie-chart-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-xs);
  width: 100%;
}

.donut-chart-box {
  width: 130px;
  height: 130px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
}

.raid-donut-svg {
  width: 100%;
  height: 100%;
  overflow: visible;
}

.donut-slice {
  transition: stroke-dasharray 0.35s ease, stroke-dashoffset 0.35s ease, opacity 0.15s ease;
  cursor: pointer;
}

.donut-slice:hover {
  opacity: 0.85;
  filter: brightness(1.1);
}

.donut-center-pct {
  fill: var(--color-on-surface);
  font-family: var(--font-headline);
  font-weight: 800;
  font-size: 1.35rem;
}

.donut-center-label {
  fill: var(--color-on-surface-variant);
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 0.625rem;
  letter-spacing: 0.08em;
}

.pie-mini-legend {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 6px;
  margin-top: 2px;
  max-width: 260px;
}

.pie-legend-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 7px;
  background: var(--color-surface-dim);
  border: 1px solid var(--color-border-subtle);
  border-radius: var(--radius-full);
  font-size: 0.6875rem;
  font-family: var(--font-mono);
  color: var(--color-on-surface);
}

.pill-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  flex-shrink: 0;
}

.pill-name {
  color: var(--color-on-surface-variant);
  font-weight: 500;
}

.pill-val {
  font-weight: 700;
}

.pie-empty-notice {
  font-size: 0.75rem;
  color: var(--color-on-surface-variant);
  font-family: var(--font-body);
}

/* Large Usable Hero */
.column-usable-hero {
  padding: var(--space-md) var(--space-md);
  background: var(--color-surface-tint);
  border-bottom: 1px solid var(--color-border-subtle);
  text-align: center;
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.hero-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  color: var(--color-primary-brand);
  letter-spacing: 0.05em;
}

.hero-capacity-value {
  font-family: var(--font-headline);
  font-size: 2.125rem;
  font-weight: 700;
  color: var(--color-primary);
  line-height: 1.1;
}

.hero-percentage {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--color-on-surface-variant);
}

/* Metrics List */
.column-metrics-list {
  padding: var(--space-md);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.metric-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-xs) 0;
  border-bottom: 1px dashed var(--color-border-subtle);
  font-size: 0.875rem;
}

.metric-row:last-child {
  border-bottom: none;
}

.metric-name {
  color: var(--color-on-surface-variant);
}

.metric-val {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-on-surface);
}

/* Delta Summary Banner */
.delta-summary-banner {
  background: var(--color-surface-tint);
  border: 1px solid rgba(69, 95, 171, 0.2);
  border-radius: var(--radius-base);
  padding: var(--space-sm) var(--space-md);
  font-size: 0.875rem;
  color: var(--color-on-surface);
  line-height: 1.5;
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
}

/* Mixed Drive Advisory */
.mixed-drive-alert {
  background: #fffbeb;
  border: 1px solid #fef3c7;
  border-left: 4px solid #f59e0b;
  border-radius: var(--radius-base);
  padding: var(--space-md);
  display: flex;
  align-items: flex-start;
  gap: var(--space-sm);
  font-size: 0.8125rem;
  color: #92400e;
}

.mixed-drive-alert svg {
  width: 18px;
  height: 18px;
  color: #d97706;
  flex-shrink: 0;
  margin-top: 1px;
}