/**
 * Grid Widget Styles
 * Styling for Cytoscape.js power system topology widgets
 */

/* Main widget container */
.grid-widget {
  position: relative;
  width: 100%;
  min-height: 300px;
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 8px;
  background-color: var(--bg-secondary, #f8fafc);
  margin: 1.5rem 0;
  overflow: hidden;
}

/* Dark mode support */
[data-theme="dark"] .grid-widget,
.dark .grid-widget {
  background-color: #1e293b;
  border-color: #334155;
}

/* Cytoscape canvas container */
.grid-widget-canvas {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  left: 0;
}

/* Widget title */
.grid-widget-title {
  position: absolute;
  top: 8px;
  left: 12px;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
  background-color: rgba(255, 255, 255, 0.9);
  padding: 4px 8px;
  border-radius: 4px;
  z-index: 10;
}

[data-theme="dark"] .grid-widget-title,
.dark .grid-widget-title {
  background-color: rgba(30, 41, 59, 0.9);
  color: #94a3b8;
}

/* Widget caption */
.grid-widget-caption {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  font-size: 0.75rem;
  font-style: italic;
  color: var(--text-secondary, #64748b);
  background-color: rgba(255, 255, 255, 0.95);
  padding: 6px 12px;
  text-align: center;
  border-top: 1px solid var(--border-color, #e2e8f0);
  z-index: 10;
}

[data-theme="dark"] .grid-widget-caption,
.dark .grid-widget-caption {
  background-color: rgba(30, 41, 59, 0.95);
  color: #94a3b8;
  border-top-color: #334155;
}

/* When caption is present, controls need to move up */
.grid-widget:has(.grid-widget-caption) .grid-widget-controls {
  bottom: 38px;
}

/* Info panel (appears on node/edge click) */
.grid-widget-info {
  position: absolute;
  top: 8px;
  right: 8px;
  max-width: 220px;
  padding: 12px;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid #e2e8f0;
  border-radius: 6px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  font-size: 0.8125rem;
  line-height: 1.5;
  z-index: 20;
}

[data-theme="dark"] .grid-widget-info,
.dark .grid-widget-info {
  background-color: rgba(30, 41, 59, 0.95);
  border-color: #475569;
  color: #e2e8f0;
}

.grid-widget-info strong {
  color: var(--text-primary, #1e293b);
}

[data-theme="dark"] .grid-widget-info strong,
.dark .grid-widget-info strong {
  color: #f1f5f9;
}

/* Bus type badges */
.bus-type-slack {
  background-color: #22c55e;
  color: white;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

.bus-type-pv {
  background-color: #ef4444;
  color: white;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

.bus-type-pq {
  background-color: #3b82f6;
  color: white;
  padding: 1px 6px;
  border-radius: 3px;
  font-size: 0.75rem;
  font-weight: 600;
}

/* Error state */
.grid-widget-error {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  min-height: 200px;
  color: #ef4444;
  text-align: center;
  padding: 2rem;
}

.grid-widget-error .error-icon {
  font-size: 2rem;
  margin-bottom: 0.5rem;
}

.grid-widget-error .error-message {
  font-size: 0.875rem;
  color: var(--text-secondary, #64748b);
}

/* Zoom controls */
.grid-widget-controls {
  position: absolute;
  bottom: 8px;
  right: 8px;
  display: flex;
  flex-direction: column;
  gap: 4px;
  z-index: 15;
}

.grid-widget-btn {
  width: 28px;
  height: 28px;
  border: 1px solid var(--border-color, #cbd5e1);
  border-radius: 4px;
  background-color: rgba(255, 255, 255, 0.95);
  color: var(--text-primary, #334155);
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.15s ease;
  line-height: 1;
}

.grid-widget-btn:hover {
  background-color: #f1f5f9;
  border-color: #94a3b8;
}

.grid-widget-btn:active {
  transform: scale(0.95);
}

[data-theme="dark"] .grid-widget-btn,
.dark .grid-widget-btn {
  background-color: rgba(30, 41, 59, 0.95);
  border-color: #475569;
  color: #e2e8f0;
}

[data-theme="dark"] .grid-widget-btn:hover,
.dark .grid-widget-btn:hover {
  background-color: #334155;
  border-color: #64748b;
}

/* Legend panel */
.grid-widget-legend {
  position: absolute;
  bottom: 8px;
  left: 8px;
  background-color: rgba(255, 255, 255, 0.95);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  padding: 8px 10px;
  font-size: 0.7rem;
  z-index: 15;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

[data-theme="dark"] .grid-widget-legend,
.dark .grid-widget-legend {
  background-color: rgba(30, 41, 59, 0.95);
  border-color: #475569;
  color: #e2e8f0;
}

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

.legend-shape {
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  border: 1px solid rgba(0, 0, 0, 0.2);
}

.legend-shape-slack {
  clip-path: polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%);
}

.legend-shape-pv {
  clip-path: polygon(50% 0%, 100% 100%, 0% 100%);
}

.legend-shape-pq {
  border-radius: 50%;
}

.legend-label {
  color: var(--text-secondary, #64748b);
  white-space: nowrap;
}

[data-theme="dark"] .legend-label,
.dark .legend-label {
  color: #94a3b8;
}

.legend-edge-line {
  width: 20px;
  height: 3px;
  background-color: #64748b;
  border-radius: 2px;
  flex-shrink: 0;
}

/* When caption is present, legend needs to move up */
.grid-widget:has(.grid-widget-caption) .grid-widget-legend {
  bottom: 38px;
}

/* Hover tooltip */
.grid-widget-tooltip {
  position: absolute;
  background-color: rgba(15, 23, 42, 0.95);
  color: #f1f5f9;
  padding: 6px 10px;
  border-radius: 4px;
  font-size: 0.75rem;
  line-height: 1.4;
  z-index: 25;
  pointer-events: none;
  max-width: 180px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.2);
}

.grid-widget-tooltip strong {
  color: #ffffff;
}

/* Tooltip type badges */
.tooltip-type {
  display: inline-block;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 0.65rem;
  font-weight: 600;
}

.tooltip-type-slack {
  background-color: #22c55e;
}

.tooltip-type-pv {
  background-color: #ef4444;
}

.tooltip-type-pq {
  background-color: #3b82f6;
}

/* Toggle button active state */
.grid-widget-btn.active {
  background-color: #3b82f6;
  border-color: #2563eb;
  color: #ffffff;
}

.grid-widget-btn.active:hover {
  background-color: #2563eb;
  border-color: #1d4ed8;
}

[data-theme="dark"] .grid-widget-btn.active,
.dark .grid-widget-btn.active {
  background-color: #3b82f6;
  border-color: #60a5fa;
  color: #ffffff;
}

/* Flow and voltage toggle buttons */
.grid-widget-flow-btn,
.grid-widget-voltage-btn,
.grid-widget-contingency-btn,
.grid-widget-ybus-btn,
.grid-widget-lmp-btn {
  margin-top: 4px;
  border-top: 1px solid var(--border-color, #e2e8f0);
  padding-top: 4px;
}

/* Contingency mode status indicator */
.grid-widget-contingency-status {
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  background-color: rgba(239, 68, 68, 0.9);
  color: white;
  padding: 4px 12px;
  border-radius: 4px;
  font-size: 0.75rem;
  font-weight: 500;
  z-index: 15;
}

/* Y-bus matrix panel */
.grid-widget-ybus-panel {
  position: absolute;
  top: 8px;
  left: 8px;
  background-color: rgba(255, 255, 255, 0.98);
  border: 1px solid var(--border-color, #e2e8f0);
  border-radius: 6px;
  padding: 8px;
  z-index: 20;
  max-width: 90%;
  max-height: 60%;
  overflow: auto;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .grid-widget-ybus-panel,
.dark .grid-widget-ybus-panel {
  background-color: rgba(30, 41, 59, 0.98);
  border-color: #475569;
}

.ybus-header {
  font-weight: 600;
  font-size: 0.8rem;
  margin-bottom: 8px;
  color: var(--text-primary, #1e293b);
  text-align: center;
}

[data-theme="dark"] .ybus-header,
.dark .ybus-header {
  color: #f1f5f9;
}

.ybus-matrix {
  border-collapse: collapse;
  font-size: 0.65rem;
  font-family: monospace;
}

.ybus-matrix th,
.ybus-matrix td {
  padding: 3px 5px;
  text-align: center;
  border: 1px solid var(--border-color, #e2e8f0);
  min-width: 70px;
}

.ybus-matrix th {
  background-color: #f1f5f9;
  font-weight: 600;
  color: var(--text-secondary, #64748b);
}

[data-theme="dark"] .ybus-matrix th,
.dark .ybus-matrix th {
  background-color: #334155;
  color: #94a3b8;
}

[data-theme="dark"] .ybus-matrix td,
.dark .ybus-matrix td {
  border-color: #475569;
  color: #e2e8f0;
}

.ybus-zero {
  color: #94a3b8;
}

.ybus-diagonal {
  background-color: #dbeafe;
  font-weight: 500;
}

[data-theme="dark"] .ybus-diagonal,
.dark .ybus-diagonal {
  background-color: #1e3a5f;
}

.ybus-offdiag {
  color: #059669;
}

[data-theme="dark"] .ybus-offdiag,
.dark .ybus-offdiag {
  color: #34d399;
}

.ybus-clickable {
  cursor: pointer;
  transition: background-color 0.15s ease;
}

.ybus-clickable:hover {
  background-color: #fef3c7;
}

[data-theme="dark"] .ybus-clickable:hover,
.dark .ybus-clickable:hover {
  background-color: #78350f;
}

/* Responsive adjustments */
@media (max-width: 640px) {
  .grid-widget {
    min-height: 250px;
  }

  .grid-widget-info {
    max-width: 180px;
    font-size: 0.75rem;
    padding: 8px;
  }

  .grid-widget-controls {
    bottom: 40px; /* Move up to avoid caption */
  }

  .grid-widget-btn {
    width: 32px;
    height: 32px;
  }

  .grid-widget-legend {
    font-size: 0.65rem;
    padding: 6px 8px;
  }
}