/* Panel Engine Modular Stylesheet (v0.64) */
/* Native styling using design tokens; fully compatible with all 14 themes including Comic & OLED */

.panel-engine-card {
  padding: 24px;
  background: var(--panel-surface, var(--panel));
  color: var(--text);
  box-sizing: border-box;
}

.panel-header {
  margin-bottom: 20px;
}

.panel-header .kicker {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.panel-kicker-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 6px;
}

.panel-meta-tag {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--muted);
  background: var(--panel2);
  border: 1px solid var(--line);
  padding: 2px 7px;
  border-radius: 6px;
}

.panel-header h2 {
  margin: 0;
  font-size: 1.45rem;
  letter-spacing: -0.02em;
  color: var(--text);
}

.panel-desc {
  margin-top: 6px;
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}

/* Blocks Grid Layout */
.panel-blocks-grid {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.panel-block {
  background: var(--card-surface, var(--panel2));
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  box-sizing: border-box;
}

.panel-block-title {
  font-size: 0.78rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin-bottom: 12px;
}

/* Metric Block */
.panel-metric-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.panel-metric-label {
  font-size: 0.8rem;
  color: var(--muted);
  font-weight: 600;
}

.panel-metric-value {
  font-size: 1.65rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.panel-metric-value.panel-val-unavailable {
  color: var(--muted);
  opacity: 0.7;
}

.panel-metric-value.panel-val-error {
  color: var(--danger);
}

/* Metric Group */
.panel-metric-group-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 14px;
}

.panel-metric-item {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Comparison Block */
.panel-comparison-row {
  display: flex;
  align-items: center;
  justify-content: space-around;
  gap: 16px;
  padding: 8px 0;
}

.panel-comparison-side {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
}

.panel-comparison-vs {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.6;
}

/* Bar List Block */
.panel-bar-items {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.panel-bar-row {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.panel-bar-header {
  display: flex;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 600;
}

.panel-bar-label {
  color: var(--text);
}

.panel-bar-val {
  color: var(--muted);
  font-family: monospace;
}

.panel-bar-track {
  width: 100%;
  height: 8px;
  background: color-mix(in srgb, var(--text) 12%, var(--panel));
  border-radius: 4px;
  overflow: hidden;
}

.panel-bar-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

/* Table Block */
.panel-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.panel-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.84rem;
  text-align: left;
}

.panel-table th {
  color: var(--muted);
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
}

.panel-table td {
  padding: 8px 10px;
  color: var(--text);
  border-bottom: 1px solid var(--line);
}

.panel-table tbody tr:last-child td {
  border-bottom: none;
}

.panel-table-empty {
  text-align: center;
  color: var(--muted);
  padding: 16px !important;
}

/* Charts / SVG */
.panel-sparkline-svg {
  width: 100%;
  max-width: 220px;
  height: 44px;
  display: block;
}

.panel-line-chart-svg {
  width: 100%;
  height: auto;
  max-height: 180px;
  display: block;
}

/* Text Block */
.panel-text-content {
  font-size: 0.88rem;
  line-height: 1.5;
  color: var(--text);
  white-space: pre-wrap;
}

/* Loading State */
.panel-loading-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
  gap: 12px;
}

.panel-loading-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--line);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: panel-spin 0.8s linear infinite;
}

@keyframes panel-spin {
  to { transform: rotate(360deg); }
}

.panel-loading-text {
  font-size: 0.85rem;
  color: var(--muted);
}

/* Error State */
.panel-error-body {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 28px 16px;
  gap: 8px;
  text-align: center;
}

.panel-error-icon {
  font-size: 1.8rem;
}

.panel-error-message {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--danger);
}

.panel-error-code {
  font-size: 0.72rem;
  font-family: monospace;
  color: var(--muted);
}

.panel-empty-state {
  text-align: center;
  color: var(--muted);
  font-size: 0.85rem;
  padding: 16px 0;
}

/* Responsive Overrides */
@media (max-width: 640px) {
  .panel-engine-card {
    padding: 16px;
  }
  .panel-metric-group-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px;
  }
  .panel-metric-value {
    font-size: 1.35rem;
  }
  .panel-comparison-row {
    flex-direction: column;
    gap: 10px;
  }
}

/* ==================================================
   Phase 7B: User Controls & Panels Manager Modal
   ================================================== */

/* Quick Hide Button in Layout Customizer */
.btn-panel-hide {
  color: var(--muted);
  border-color: var(--line);
  font-size: 13px;
  font-weight: 700;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  background: var(--panel2);
}

.btn-panel-hide:hover {
  color: #ef4444;
  border-color: #ef4444;
  background: rgba(239, 68, 68, 0.1);
}

/* Modal Backdrop */
.panels-manager-backdrop {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.65);
  backdrop-filter: blur(4px);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.panels-manager-backdrop[hidden] {
  display: none !important;
}

/* Modal Container */
.panels-manager-modal {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  width: 100%;
  max-width: 520px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  box-shadow: 0 20px 45px var(--shadow);
  overflow: hidden;
  animation: panels-fade-in 0.18s ease-out;
}

@keyframes panels-fade-in {
  from { opacity: 0; transform: translateY(8px) scale(0.98); }
  to { opacity: 1; transform: translateY(0) scale(1); }
}

/* Modal Header */
.panels-manager-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 20px 14px 20px;
  border-bottom: 1px solid var(--line);
}

.panels-manager-head h3 {
  margin: 0 0 4px 0;
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
}

.panels-manager-head p {
  margin: 0;
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.4;
}

.panels-manager-close {
  background: transparent;
  border: none;
  font-size: 1.6rem;
  line-height: 1;
  color: var(--muted);
  cursor: pointer;
  padding: 0 4px;
  transition: color 0.15s;
}

.panels-manager-close:hover {
  color: var(--text);
}

/* Panel Options List */
.panels-manager-list {
  padding: 16px 20px;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 10px;
  flex: 1;
  min-height: 0;
  max-height: calc(85vh - 140px);
}

.panels-manager-list,
.panel-creator-body {
  scrollbar-width: thin;
  scrollbar-color: var(--scroll-thumb) var(--scroll-track);
}

.panels-manager-list::-webkit-scrollbar,
.panel-creator-body::-webkit-scrollbar {
  width: 6px;
}

.panels-manager-list::-webkit-scrollbar-track,
.panel-creator-body::-webkit-scrollbar-track {
  background: var(--scroll-track);
}

.panels-manager-list::-webkit-scrollbar-thumb,
.panel-creator-body::-webkit-scrollbar-thumb {
  background: var(--scroll-thumb);
  border-radius: 3px;
}

.panels-manager-list::-webkit-scrollbar-thumb:hover,
.panel-creator-body::-webkit-scrollbar-thumb:hover {
  background: var(--scroll-thumb-hover);
}

.panel-badge-beta {
  display: inline-block;
  font-size: 0.65rem;
  padding: 2px 7px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--accent) 15%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 35%, transparent);
  font-weight: 800;
  letter-spacing: 0.04em;
  vertical-align: middle;
  line-height: 1.2;
}

.panel-config-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel2);
  cursor: pointer;
  transition: border-color 0.15s, background 0.15s;
  user-select: none;
}

.panel-config-item:hover {
  border-color: var(--accent);
}

.panel-config-item.is-active {
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel2));
}

.panel-config-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  cursor: pointer;
  margin: 0;
}

.panel-config-info {
  flex: 1;
  min-width: 0;
}

.panel-config-title {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 2px;
}

.panel-config-desc {
  font-size: 0.78rem;
  color: var(--muted);
  line-height: 1.3;
}

/* Status Badge */
.panel-status-badge {
  font-size: 0.7rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 3px 7px;
  border-radius: 4px;
  white-space: nowrap;
}

.panel-status-badge.is-enabled {
  background: rgba(34, 197, 94, 0.15);
  color: #22c55e;
  border: 1px solid rgba(34, 197, 94, 0.3);
}

.panel-status-badge.is-disabled {
  background: rgba(148, 163, 184, 0.1);
  color: var(--muted);
  border: 1px solid var(--line);
}

/* Modal Actions */
.panels-manager-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding: 14px 20px;
  border-top: 1px solid var(--line);
  background: var(--panel2);
}

.panels-manager-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--text);
  transition: all 0.15s;
}

.panels-manager-actions button:hover {
  border-color: var(--muted);
}

.panels-manager-actions button.primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

.panels-manager-actions button.primary:hover {
  filter: brightness(1.1);
}

/* Phase 8B: Custom Panels Topbar & Grouping */
.panels-manager-topbar {
  margin-bottom: 14px;
}

.panel-create-trigger-btn {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 16px;
  background: color-mix(in srgb, var(--accent) 12%, var(--panel2));
  border: 1px dashed var(--accent);
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  border-radius: 8px;
  cursor: pointer;
  transition: all 0.2s;
}

.panel-create-trigger-btn:hover {
  background: color-mix(in srgb, var(--accent) 22%, var(--panel2));
  transform: translateY(-1px);
}

.panel-create-plus {
  font-size: 1.15rem;
  font-weight: 800;
  line-height: 1;
}

.panel-config-group-heading {
  font-size: 0.76rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--muted);
  margin: 16px 0 8px 0;
}

.panel-config-empty {
  padding: 14px;
  font-size: 0.82rem;
  color: var(--muted);
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 8px;
  text-align: center;
  line-height: 1.4;
}

.panel-item-actions {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: 8px;
}

.panel-edit-btn {
  background: color-mix(in srgb, var(--accent) 12%, transparent);
  color: var(--accent);
  border: 1px solid color-mix(in srgb, var(--accent) 30%, transparent);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.panel-edit-btn:hover {
  background: color-mix(in srgb, var(--accent) 25%, transparent);
  border-color: var(--accent);
}

.panel-delete-btn {
  background: rgba(239, 68, 68, 0.12);
  color: #ef4444;
  border: 1px solid rgba(239, 68, 68, 0.3);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 4px 8px;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s;
}

.panel-delete-btn:hover {
  background: rgba(239, 68, 68, 0.25);
  border-color: #ef4444;
}

/* Phase 8B: Creator View */
.panel-creator-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: calc(85vh - 120px);
  overflow-y: auto;
}

.panel-creator-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}

.panel-creator-prompt {
  width: 100%;
  box-sizing: border-box;
  padding: 12px;
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  font-size: 0.88rem;
  line-height: 1.45;
  font-family: inherit;
  resize: vertical;
  min-height: 75px;
  transition: border-color 0.2s;
}

.panel-creator-prompt:focus {
  outline: none;
  border-color: var(--accent);
}

.panel-creator-examples {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.panel-creator-pill {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.75rem;
  padding: 4px 10px;
  border-radius: 12px;
  cursor: pointer;
  transition: all 0.15s;
}

.panel-creator-pill:hover {
  color: var(--text);
  border-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel2));
}

.panel-creator-generate-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 4px;
}

.panel-creator-generate-btn {
  padding: 9px 20px;
  font-weight: 700;
  border-radius: 6px;
  font-size: 0.88rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  transition: all 0.15s;
}

.panel-creator-generate-btn.primary {
  background: var(--accent);
  color: var(--control-active-text, var(--on-accent, #ffffff));
  border-color: var(--accent);
}

.panel-creator-generate-btn.primary:hover {
  filter: brightness(1.1);
}

.panel-creator-generate-row button:not(.primary) {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  transition: all 0.15s;
}

.panel-creator-loading {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 18px;
  background: color-mix(in srgb, var(--accent) 10%, var(--panel2));
  border: 1px solid color-mix(in srgb, var(--accent) 30%, var(--panel2));
  border-radius: 8px;
  color: var(--text);
  font-size: 0.86rem;
  font-weight: 600;
}

.panel-creator-spinner {
  width: 18px;
  height: 18px;
  border: 2px solid var(--muted);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: panelSpinner 0.8s linear infinite;
}

@keyframes panelSpinner {
  to { transform: rotate(360deg); }
}

.panel-creator-error {
  padding: 12px 16px;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #f87171;
  border-radius: 8px;
  font-size: 0.84rem;
  line-height: 1.4;
}

.panel-creator-preview-section {
  display: flex;
  flex-direction: column;
  gap: 12px;
  border-top: 1px solid var(--line);
  padding-top: 16px;
  margin-top: 8px;
}

.panel-creator-preview-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.82rem;
  font-weight: 750;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.panel-creator-preview-container {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--panel);
  overflow: hidden;
}

.panel-creator-preview-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
  padding-top: 6px;
}

.panel-creator-preview-actions button {
  padding: 8px 16px;
  border-radius: 6px;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--line);
  background: var(--panel2);
  color: var(--text);
  transition: all 0.15s;
}

.panel-creator-preview-actions button.primary {
  background: var(--accent);
  color: var(--on-accent);
  border-color: var(--accent);
}

/* Comic Theme Enhancements */
body.comic .panels-manager-modal {
  border: 3px solid #000;
  box-shadow: 6px 6px 0 #000;
}

body.comic .panel-config-item {
  border: 2px solid #000;
}

body.comic .panel-config-item.is-active {
  border: 2px solid #000;
  background: #fef08a;
  color: #000;
}

body.comic .panel-config-item.is-active .panel-config-title,
body.comic .panel-config-item.is-active .panel-config-desc {
  color: #000;
}

body.comic .panel-create-trigger-btn {
  border: 2px dashed #000;
  box-shadow: 3px 3px 0 #000;
}

body.comic .panels-manager-actions button,
body.comic .panel-creator-preview-actions button,
body.comic .panel-creator-generate-btn {
  border: 2px solid #000;
  box-shadow: 2px 2px 0 #000;
}

/* OLED Theme Enhancements */
body.oled .panels-manager-modal {
  background: #000000;
  border-color: #27272a;
}

body.oled .panel-config-item {
  background: #09090b;
  border-color: #27272a;
}

body.oled .panel-creator-prompt,
body.oled .panel-creator-preview-container {
  background: #09090b;
  border-color: #27272a;
}

body.oled .panel-creator-generate-btn.primary,
body.oled .panels-manager-actions button.primary,
body.oled .panel-creator-preview-actions button.primary {
  background: #ffffff;
  color: #000000;
  border-color: #ffffff;
}

/* ==========================================================================
   Phase 10C: Semantic Entities & Interactive Controls
   ========================================================================== */

/* Entity Icons */
.panel-entity-icon {
  width: 20px;
  height: 20px;
  min-width: 20px;
  object-fit: cover;
  vertical-align: middle;
  flex-shrink: 0;
  border-radius: 4px;
}

.panel-entity-icon-champion,
.panel-entity-icon-keystone {
  border-radius: 50%;
}

.panel-entity-icon-item,
.panel-entity-icon-spell {
  border-radius: 4px;
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.panel-val-entity {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.panel-label-entity {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.panel-cell-entity {
  display: flex;
  align-items: center;
  gap: 8px;
}

/* Interactive Controls Container */
.panel-controls-container {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 16px;
  padding: 8px 16px 12px;
  border-bottom: 1px solid var(--line);
}

.panel-control-group {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.panel-control-label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

/* Segmented Buttons */
.panel-control-segmented {
  display: inline-flex;
  align-items: center;
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 2px;
  gap: 2px;
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.panel-control-segmented::-webkit-scrollbar {
  display: none;
}

.btn-control-option {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
  line-height: 1.2;
  white-space: nowrap;
}

.btn-control-option:hover {
  color: var(--text);
  background: rgba(255, 255, 255, 0.05);
}

.btn-control-option:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.btn-control-option.active {
  background: var(--accent);
  color: var(--control-active-text, var(--on-accent, #ffffff));
  font-weight: 600;
}

/* Select Control */
.panel-control-select {
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  padding: 4px 10px;
  font-size: 0.82rem;
  border-radius: 6px;
  cursor: pointer;
  outline: none;
  transition: border-color 0.15s ease;
}

.panel-control-select:focus {
  border-color: var(--accent);
}

/* Theme Adjustments */
body.comic .panel-control-segmented {
  border: 2px solid #000;
  box-shadow: 2px 2px 0 #000;
}

body.comic .btn-control-option.active {
  background: #fef08a;
  color: #000;
  border: 1px solid #000;
}

body.oled .panel-control-segmented,
body.oled .panel-control-select {
  background: #09090b;
  border-color: #27272a;
}

/* ==========================================================================
   Phase 10 / Task 2: Composable Panel Engine Primitives & Title Input
   ========================================================================== */

/* Title text input in creator modal */
.panel-creator-title-input {
  width: 100%;
  box-sizing: border-box;
  background: var(--panel2);
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 6px;
  padding: 8px 12px;
  font-size: 0.9rem;
  margin-bottom: 12px;
  outline: none;
  transition: border-color 0.15s ease;
}

.panel-creator-title-input:focus {
  border-color: var(--accent);
}

/* Semantic Tone Colors */
.tone-positive {
  color: var(--success, #22c55e);
}
.tone-negative {
  color: var(--danger, #ef4444);
}
.tone-neutral {
  color: var(--muted);
}
.tone-accent {
  color: var(--accent);
}
.tone-warning {
  color: var(--warning, #f59e0b);
}

/* Layout Block */
.panel-block-layout {
  width: 100%;
}

.layout-children.layout-mode-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.layout-children.layout-mode-columns,
.layout-children.layout-mode-grid {
  display: grid;
  grid-template-columns: repeat(var(--layout-columns, 2), minmax(0, 1fr));
  gap: 12px;
}

@media (max-width: 600px) {
  .layout-children.layout-mode-columns,
  .layout-children.layout-mode-grid {
    grid-template-columns: 1fr;
  }
}

/* MetricGrid Block */
.panel-block-metric-grid {
  width: 100%;
}

.panel-metric-grid-items {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(110px, 1fr));
  gap: 8px;
}

.metric-card {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.metric-card.tone-positive {
  border-left: 3px solid var(--success, #22c55e);
}
.metric-card.tone-negative {
  border-left: 3px solid var(--danger, #ef4444);
}
.metric-card.tone-accent {
  border-left: 3px solid var(--accent);
}
.metric-card.tone-warning {
  border-left: 3px solid var(--warning, #f59e0b);
}

.metric-card-label {
  font-size: 0.76rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

.metric-card-value {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}

.metric-card-subtitle {
  font-size: 0.74rem;
  color: var(--muted);
}

.metric-card-delta {
  font-size: 0.75rem;
  font-weight: 600;
}

/* Universal Collection Block */
.panel-block-collection {
  width: 100%;
}

.collection-items.collection-layout-portraitGrid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(64px, 1fr));
  gap: 8px;
}

.collection-layout-portraitGrid .collection-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 4px;
  padding: 6px;
  background: var(--panel2);
  border-radius: 6px;
  border: 1px solid var(--line);
}

.collection-layout-portraitGrid .collection-entity-icon {
  width: 44px;
  height: 44px;
  border-radius: 6px;
  object-fit: cover;
}

.collection-layout-portraitGrid .collection-entity-label {
  font-size: 0.74rem;
  font-weight: 600;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 100%;
}

.collection-items.collection-layout-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 10px;
}

.collection-layout-cards .collection-item {
  background: var(--panel2);
  border: 1px solid var(--line);
  border-radius: 6px;
  padding: 10px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.collection-items.collection-layout-rankedList .collection-item,
.collection-items.collection-layout-list .collection-item,
.collection-items.collection-layout-compactList .collection-item,
.collection-items.collection-layout-timeline .collection-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 8px 10px;
  border-bottom: 1px solid var(--line);
  gap: 10px;
}

.collection-items.collection-layout-compactList .collection-item {
  padding: 4px 8px;
  font-size: 0.82rem;
}

.collection-rank-badge {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--accent);
  min-width: 24px;
}

.collection-timeline-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  margin-right: 6px;
}

.collection-entity-cell {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.collection-entity-icon {
  width: 28px;
  height: 28px;
  border-radius: 4px;
  flex-shrink: 0;
  object-fit: cover;
}

.collection-entity-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-fields {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
  margin-left: auto;
}

.collection-field {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 0.82rem;
}

.collection-field-label {
  color: var(--muted);
  font-size: 0.74rem;
}

.collection-field-value {
  font-weight: 600;
  color: var(--text);
}

/* Expandable Native Details in Collection Items */
details.collection-item-details {
  width: 100%;
}

summary.collection-item-summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  width: 100%;
}

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

.collection-details-body {
  margin-top: 8px;
  padding-top: 8px;
  border-top: 1px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.8rem;
}

.collection-detail-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  color: var(--muted);
}

.collection-detail-value {
  font-weight: 600;
  color: var(--text);
}

/* KeyValueList Block */
.panel-block-key-value-list {
  width: 100%;
}

.key-value-list {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.key-value-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 4px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 40%, transparent);
  font-size: 0.85rem;
}

.key-value-label {
  color: var(--muted);
}

.key-value-value {
  font-weight: 600;
  color: var(--text);
}

/* Progress Block */
.panel-block-progress {
  width: 100%;
}

.progress-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 6px;
  font-size: 0.82rem;
  font-weight: 600;
}

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

.progress-value {
  color: var(--muted);
  font-size: 0.78rem;
}

.progress-track {
  height: 8px;
  background: var(--panel2);
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
}

.progress-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 4px;
  transition: width 0.3s ease;
}

.progress-fill.tone-positive {
  background: var(--success, #22c55e);
}
.progress-fill.tone-negative {
  background: var(--danger, #ef4444);
}
.progress-fill.tone-warning {
  background: var(--warning, #f59e0b);
}

/* Distribution Block */
.panel-block-distribution {
  width: 100%;
}

.distribution-bar {
  height: 12px;
  display: flex;
  border-radius: 4px;
  overflow: hidden;
  border: 1px solid var(--line);
  margin-bottom: 8px;
}

.distribution-segment {
  height: 100%;
  transition: width 0.3s ease;
}

.distribution-segment.tone-positive {
  background: var(--success, #22c55e);
}
.distribution-segment.tone-negative {
  background: var(--danger, #ef4444);
}
.distribution-segment.tone-accent {
  background: var(--accent);
}
.distribution-segment.tone-warning {
  background: var(--warning, #f59e0b);
}
.distribution-segment.tone-neutral {
  background: var(--muted);
}

.distribution-legend {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.8rem;
}

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

.distribution-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
}

.distribution-legend-item.tone-positive .distribution-dot {
  background: var(--success, #22c55e);
}
.distribution-legend-item.tone-negative .distribution-dot {
  background: var(--danger, #ef4444);
}
.distribution-legend-item.tone-warning .distribution-dot {
  background: var(--warning, #f59e0b);
}
.distribution-legend-item.tone-neutral .distribution-dot {
  background: var(--muted);
}

.distribution-label {
  color: var(--muted);
}

.distribution-value {
  font-weight: 600;
  color: var(--text);
}

/* Callout Block */
.panel-block-callout {
  padding: 12px 14px;
  border-radius: 6px;
  background: var(--panel2);
  border-left: 4px solid var(--muted);
  width: 100%;
  box-sizing: border-box;
}

.panel-block-callout.tone-positive {
  border-left-color: var(--success, #22c55e);
  background: color-mix(in srgb, var(--success, #22c55e) 8%, var(--panel2));
}
.panel-block-callout.tone-negative {
  border-left-color: var(--danger, #ef4444);
  background: color-mix(in srgb, var(--danger, #ef4444) 8%, var(--panel2));
}
.panel-block-callout.tone-accent {
  border-left-color: var(--accent);
  background: color-mix(in srgb, var(--accent) 8%, var(--panel2));
}
.panel-block-callout.tone-warning {
  border-left-color: var(--warning, #f59e0b);
  background: color-mix(in srgb, var(--warning, #f59e0b) 8%, var(--panel2));
}

.callout-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}

.callout-text {
  font-size: 0.85rem;
  color: var(--text);
  line-height: 1.4;
}

/* ViewSwitcher Block */
.panel-block-view-switcher {
  width: 100%;
}

.view-switcher-nav {
  display: flex;
  gap: 4px;
  margin-bottom: 10px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 6px;
}

.btn-view-switcher {
  padding: 4px 10px;
  font-size: 0.8rem;
  font-weight: 500;
  border: 1px solid var(--line);
  background: var(--panel);
  color: var(--muted);
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.15s ease;
}

.btn-view-switcher:hover {
  color: var(--text);
  border-color: var(--muted);
}

.btn-view-switcher.active {
  background: var(--accent);
  color: var(--control-active-text, #ffffff);
  border-color: var(--accent);
  font-weight: 600;
}

.view-switcher-views {
  width: 100%;
}

/* Comparison Multi-Metric Table */
.panel-comparison-table {
  width: 100%;
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.85rem;
}

.comparison-table-head {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: center;
  font-weight: 600;
  color: var(--muted);
  font-size: 0.78rem;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--line);
}

.comparison-head-left {
  text-align: left;
}

.comparison-head-right {
  text-align: right;
}

.comparison-table-row {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  text-align: center;
  padding: 4px 0;
  border-bottom: 1px solid color-mix(in srgb, var(--line) 40%, transparent);
}

.comparison-cell-left {
  text-align: left;
  font-weight: 600;
  color: var(--text);
}

.comparison-cell-metric {
  color: var(--muted);
  font-size: 0.8rem;
}

.comparison-cell-right {
  text-align: right;
  font-weight: 600;
  color: var(--text);
}

/* ==========================================================================
   v0.65E — Panel Engine Presentation Expansion Styles
   ========================================================================== */

/* Chrome Modes */
.panel-engine-card.panel-chrome-soft {
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  border-color: color-mix(in srgb, var(--line) 50%, transparent);
  box-shadow: none;
}

.panel-engine-card.panel-chrome-none {
  background: transparent;
  border-color: transparent;
  box-shadow: none;
  padding: 8px 4px;
}

/* Density Levels */
.panel-engine-card.density-compact {
  padding: 10px 12px;
  gap: 8px;
}
.panel-engine-card.density-compact .panel-header {
  margin-bottom: 6px;
}
.panel-engine-card.density-compact .panel-block {
  margin-bottom: 6px;
}
.panel-engine-card.density-comfortable {
  padding: 24px 28px;
  gap: 16px;
}
.panel-engine-card.density-comfortable .panel-header {
  margin-bottom: 16px;
}

/* Title Placements & Alignments */
.panel-header.title-align-center,
.panel-header .title-align-center,
.panel-header h2.title-align-center {
  text-align: center;
  align-items: center;
  justify-content: center;
}

.panel-engine-card.title-placement-overlay {
  position: relative;
}
.panel-engine-card .panel-header.title-overlay {
  position: absolute;
  top: 12px;
  left: 12px;
  right: 12px;
  z-index: 2;
  background: color-mix(in srgb, var(--surface) 75%, transparent);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  padding: 8px 12px;
  border-radius: 6px;
  border: 1px solid color-mix(in srgb, var(--line) 40%, transparent);
}

.panel-engine-card.title-placement-inline .panel-header.title-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
}

/* Panel Badges */
.panel-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  padding: 2px 7px;
  border-radius: 4px;
  line-height: 1.3;
  background: color-mix(in srgb, var(--text) 10%, transparent);
  color: var(--text);
  border: 1px solid color-mix(in srgb, var(--line) 60%, transparent);
}
.panel-badge.tone-neutral {
  background: color-mix(in srgb, var(--muted) 15%, transparent);
  color: var(--muted);
  border-color: color-mix(in srgb, var(--muted) 30%, transparent);
}
.panel-badge.tone-accent {
  background: color-mix(in srgb, var(--accent) 18%, transparent);
  color: var(--accent);
  border-color: color-mix(in srgb, var(--accent) 45%, transparent);
}
.panel-badge.tone-success,
.panel-badge.tone-positive {
  background: color-mix(in srgb, #10b981 18%, transparent);
  color: #10b981;
  border-color: color-mix(in srgb, #10b981 45%, transparent);
}
.panel-badge.tone-danger,
.panel-badge.tone-negative {
  background: color-mix(in srgb, #ef4444 18%, transparent);
  color: #ef4444;
  border-color: color-mix(in srgb, #ef4444 45%, transparent);
}

/* Metric Emphasis */
.metric-emphasis-hero {
  font-size: 2.2rem !important;
  font-weight: 800 !important;
  line-height: 1.1 !important;
  letter-spacing: -0.02em;
}
.metric-emphasis-strong {
  font-size: 1.5rem !important;
  font-weight: 700 !important;
}
.metric-emphasis-normal {
  /* standard sizing */
}
.metric-emphasis-muted {
  color: var(--muted) !important;
  font-size: 0.95rem !important;
  font-weight: 500 !important;
}

/* Split Layout */
.panel-block-layout.layout-split > .layout-children,
.layout-children.layout-mode-split {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  align-items: stretch;
  width: 100%;
}
@media (max-width: 680px) {
  .panel-block-layout.layout-split > .layout-children,
  .layout-children.layout-mode-split {
    grid-template-columns: 1fr;
  }
}

/* Hero Entity Block */
.panel-block-hero-entity {
  width: 100%;
}
.hero-entity-card {
  display: flex;
  position: relative;
  background: color-mix(in srgb, var(--surface) 50%, transparent);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 16px;
  gap: 16px;
  align-items: center;
}
.hero-entity-card.hero-orientation-vertical {
  flex-direction: column;
  text-align: center;
}
.hero-entity-card.hero-align-center {
  justify-content: center;
  text-align: center;
}
.hero-entity-card.hero-align-center .hero-entity-info {
  align-items: center;
}
.hero-entity-card.hero-align-center .hero-entity-metrics {
  justify-content: center;
}
.hero-entity-badge {
  position: absolute;
  top: 10px;
  right: 10px;
}
.hero-portrait-container {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero-entity-icon {
  object-fit: cover;
  display: block;
}
.hero-portrait-container.size-medium .hero-entity-icon,
.hero-entity-icon.size-medium {
  width: 64px;
  height: 64px;
}
.hero-portrait-container.size-large .hero-entity-icon,
.hero-entity-icon.size-large {
  width: 88px;
  height: 88px;
}
.hero-portrait-container.size-hero .hero-entity-icon,
.hero-entity-icon.size-hero {
  width: 112px;
  height: 112px;
}
.hero-portrait-container.shape-square .hero-entity-icon,
.hero-entity-icon.shape-square {
  border-radius: 0;
}
.hero-portrait-container.shape-rounded .hero-entity-icon,
.hero-entity-icon.shape-rounded {
  border-radius: 8px;
}
.hero-portrait-container.shape-circle .hero-entity-icon,
.hero-entity-icon.shape-circle {
  border-radius: 50%;
}
.hero-entity-info {
  display: flex;
  flex-direction: column;
  gap: 6px;
  flex: 1;
  min-width: 0;
}
.hero-entity-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.hero-entity-description {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.4;
}
.hero-entity-metrics {
  display: flex;
  gap: 16px;
  align-items: baseline;
  flex-wrap: wrap;
  margin-top: 4px;
}
.hero-metric {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-metric-label {
  font-size: 0.75rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}
.hero-metric-value {
  font-weight: 700;
  color: var(--text);
  font-size: 1.15rem;
}
.hero-metric.tone-positive .hero-metric-value { color: #10b981; }
.hero-metric.tone-negative .hero-metric-value { color: #ef4444; }
.hero-metric.tone-accent .hero-metric-value { color: var(--accent); }
.hero-metric.tone-warning .hero-metric-value { color: #f59e0b; }

/* Progress Ring Block */
.panel-block-progress-ring {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 12px;
  gap: 8px;
  width: 100%;
}
.progress-ring-widget {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}
.progress-ring-svg {
  display: block;
}
.progress-ring-bg {
  fill: none;
  stroke: color-mix(in srgb, var(--line) 60%, transparent);
}
.progress-ring-fg {
  fill: none;
  stroke: var(--accent);
  transition: stroke-dashoffset 0.35s ease;
}
.panel-block-progress-ring.tone-positive .progress-ring-fg { stroke: #10b981; }
.panel-block-progress-ring.tone-negative .progress-ring-fg { stroke: #ef4444; }
.panel-block-progress-ring.tone-accent .progress-ring-fg { stroke: var(--accent); }
.panel-block-progress-ring.tone-warning .progress-ring-fg { stroke: #f59e0b; }
.panel-block-progress-ring.tone-neutral .progress-ring-fg { stroke: var(--muted); }

.progress-ring-center-value {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--text);
  pointer-events: none;
}
.ring-size-small .progress-ring-center-value { font-size: 0.85rem; }
.ring-size-large .progress-ring-center-value { font-size: 1.45rem; }

.progress-ring-labels {
  display: flex;
  flex-direction: column;
  gap: 2px;
  align-items: center;
}
.progress-ring-label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text);
}
.progress-ring-subtitle {
  font-size: 0.75rem;
  color: var(--muted);
}

/* Collection Layouts: portraitMosaic, entityGrid, iconStrip */
.collection-items.collection-layout-portraitMosaic {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(80px, 1fr));
  gap: 8px;
}
.collection-layout-portraitMosaic .collection-item {
  position: relative;
  overflow: hidden;
  border-radius: 6px;
  aspect-ratio: 1 / 1;
  background: color-mix(in srgb, var(--surface) 60%, transparent);
  border: 1px solid var(--line);
}
.collection-layout-portraitMosaic .collection-entity-cell {
  width: 100%;
  height: 100%;
}
.collection-layout-portraitMosaic .collection-entity-icon {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.collection-layout-portraitMosaic.label-position-overlay .collection-entity-label,
.collection-portraitMosaic.label-position-overlay .collection-entity-label {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  padding: 2px 4px;
  font-size: 0.7rem;
  font-weight: 600;
  text-align: center;
  background: color-mix(in srgb, #000 65%, transparent);
  color: #fff;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.collection-items.collection-layout-entityGrid {
  display: grid;
  grid-template-columns: repeat(var(--collection-columns, 4), 1fr);
  gap: 10px;
}
@media (max-width: 600px) {
  .collection-items.collection-layout-entityGrid {
    grid-template-columns: repeat(auto-fill, minmax(70px, 1fr));
  }
}
.collection-layout-entityGrid .collection-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  padding: 8px 6px;
  gap: 6px;
  background: color-mix(in srgb, var(--surface) 40%, transparent);
  border: 1px solid var(--line);
  border-radius: 6px;
}
.collection-layout-entityGrid .collection-entity-icon {
  width: 48px;
  height: 48px;
  object-fit: cover;
}
.collection-layout-entityGrid .image-size-small .collection-entity-icon,
.collection-layout-entityGrid .collection-entity-icon.size-small {
  width: 36px;
  height: 36px;
}
.collection-layout-entityGrid .image-size-large .collection-entity-icon,
.collection-layout-entityGrid .collection-entity-icon.size-large {
  width: 60px;
  height: 60px;
}

.collection-items.collection-layout-iconStrip {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}
.collection-layout-iconStrip .collection-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: transparent;
  border: none;
  padding: 2px;
}
.collection-layout-iconStrip .collection-entity-icon {
  width: 32px;
  height: 32px;
  object-fit: cover;
  border-radius: 4px;
}
.collection-layout-iconStrip .collection-entity-icon.size-small {
  width: 24px;
  height: 24px;
}
.collection-layout-iconStrip .collection-entity-icon.size-large {
  width: 44px;
  height: 44px;
}
.collection-layout-iconStrip .collection-fields {
  display: inline-flex;
  gap: 4px;
}
.collection-layout-iconStrip .collection-field-value {
  font-size: 0.8rem;
  font-weight: 600;
}

/* Comic Theme Contract */
body.comic .panel-engine-card,
[data-theme="comic"] .panel-engine-card {
  border: 2px solid #000000;
  box-shadow: 4px 4px 0px #000000;
}
body.comic .hero-entity-card,
[data-theme="comic"] .hero-entity-card {
  border: 2px solid #000000;
  box-shadow: 3px 3px 0px #000000;
}
body.comic .collection-item,
[data-theme="comic"] .collection-item {
  border-color: #000000;
}
body.comic .panel-badge,
[data-theme="comic"] .panel-badge {
  border: 1.5px solid #000000;
  color: #000000;
}
body.comic .progress-ring-fg,
[data-theme="comic"] .progress-ring-fg {
  stroke: #000000;
}