// ERDiagramCanvas SCSS Styles
// Main container and layout styles

.er-diagram-container {
  width: 100vw;
  height: 100vh;
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 1200px;
  min-height: 800px;
  background: #121212;
  color: #fff;

  .react-flow__node {
    z-index: 1;
    margin: 20px;
  }
}

// Breadcrumb header
.er-breadcrumb-header {
  padding: 0 20px 20px 20px;
  flex-shrink: 0;
}

// ReactFlow container
.er-reactflow-container {
  flex: 1;
  position: relative;
  min-height: 700px;
}

// Loading state styles
.er-loading-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
  color: white;

  .loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid rgba(255, 255, 255, 0.3);
    border-top: 4px solid white;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin-bottom: 20px;
  }

  .loading-text {
    font-size: 18px;
    font-weight: 500;
    margin-bottom: 8px;
  }

  .loading-subtext {
    font-size: 14px;
    opacity: 0.8;
  }
}

@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

// Database wrapper styles
.er-database-wrapper {
  z-index: -2;
  pointer-events: all;
  border-radius: 25px;
  cursor: grab;
  user-select: none;
  transition: all 0.2s ease;
  padding: 100px;
  border: 3px solid rgba(0, 169, 157, 0.4);
  background: rgba(0, 169, 157, 0.03);
  box-shadow: 0 0 30px rgba(0, 169, 157, 0.1);
  
  // Dynamic sizing using CSS custom properties
  width: var(--db-width, 1400px);
  height: var(--db-height, 1000px);

  &:hover {
    border-color: rgba(0, 169, 157, 0.6);
    background: rgba(0, 169, 157, 0.05);
    box-shadow: 0 0 40px rgba(0, 169, 157, 0.15);
  }

  &:active {
    cursor: grabbing;
  }
}

.er-database-label {
  position: absolute;
  top: 20px;
  left: 20px;
  background: rgba(0, 169, 157, 0.95);
  color: white;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: bold;
  box-shadow: 0 4px 12px rgba(0, 169, 157, 0.3);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 15;
}

// Schema group styles
.er-schema-group {
  z-index: -1;
  pointer-events: all;
  border-radius: 20px;
  cursor: grab;
  user-select: none;
  transition: all 0.2s ease;
  padding: 80px;
  border: 2px dashed rgba(138, 43, 226, 0.3);
  background: rgba(138, 43, 226, 0.05);
  position: relative;
  overflow: visible;
  
  // Dynamic sizing using CSS custom properties
  width: var(--schema-width, 800px);
  height: var(--schema-height, 600px);

  &:hover {
    border-color: rgba(138, 43, 226, 0.5);
    background: rgba(138, 43, 226, 0.08);
    box-shadow: 0 0 20px rgba(138, 43, 226, 0.1);
  }

  &:active {
    cursor: grabbing;
  }
}

.er-schema-empty {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: #999;
  font-size: 14px;
  font-style: italic;
  text-align: center;
}

.er-schema-label {
  position: absolute;
  top: 15px;
  left: 15px;
  background: rgba(138, 43, 226, 0.9);
  color: white;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: bold;
  box-shadow: 0 2px 8px rgba(138, 43, 226, 0.3);
  display: flex;
  align-items: center;
  gap: 8px;
  z-index: 10;
}

// Table node styles
.er-table-node {
  background: white;
  border: 2px solid #e1e5e9;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  width: 260px;
  min-height: 200px;
  transition: all 0.2s ease;

  &:hover {
    border-color: #8a2be2;
    box-shadow: 0 4px 16px rgba(138, 43, 226, 0.2);
  }

  // Handle styles
  .react-flow__handle {
    background: #8a2be2;
    width: 8px;
    height: 8px;
  }
}

.er-table-header {
  background: linear-gradient(135deg, #8a2be2, #9932cc);
  color: white;
  padding: 14px 16px;
  border-radius: 8px 8px 0 0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: bold;
  font-size: 15px;

  &.stage {
    background: linear-gradient(135deg, #00a99d, #52c41a);
  }

  &.fact {
    background: linear-gradient(135deg, #fa8c16, #faad14);
  }

  &.dimension {
    background: linear-gradient(135deg, #52c41a, #73d13d);
  }
}

.er-column-list {
  padding: 0;
  margin: 0;
  list-style: none;
  max-height: 300px;
  overflow-y: auto;
}

.er-column-item {
  padding: 10px 16px;
  border-bottom: 1px solid #f0f0f0;
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  transition: background-color 0.2s ease;

  &:hover {
    background-color: #f8f9fa;
  }

  &:last-child {
    border-bottom: none;
  }
}

.er-column-name {
  flex: 1;
  font-weight: 500;
  color: #333;
}

.er-column-type {
  color: #666;
  font-size: 11px;
  background: #f5f5f5;
  padding: 2px 6px;
  border-radius: 3px;
}

.er-primary-key {
  color: #faad14;
}

.er-foreign-key {
  color: #8a2be2;
}

// Relationship edge styles
.er-relationship-edge {
  stroke: #8a2be2;
  stroke-width: 2;

  .react-flow__edge-path {
    stroke: #8a2be2;
    stroke-width: 2;
  }
}

.er-relationship-edge-animated {
  stroke: #8a2be2;
  stroke-width: 2;
  stroke-dasharray: 5;
  animation: dashdraw 0.5s linear infinite;
}

@keyframes dashdraw {
  to {
    stroke-dashoffset: -10;
  }
}

// Enhanced arrow markers
.react-flow__edge.selected .react-flow__edge-path {
  stroke: #faad14 !important;
  stroke-width: 3 !important;
}

.react-flow__edge:hover .react-flow__edge-path {
  stroke: #52c41a !important;
  stroke-width: 3 !important;
}

// Custom arrow styling
.er-custom-arrow {
  pointer-events: none;
  z-index: 10;
}

// Cardinality indicators
.er-cardinality-indicator {
  background: rgba(255, 255, 255, 0.95) !important;
  border: 1px solid #8a2be2 !important;
  border-radius: 3px !important;
  padding: 2px 6px !important;
  font-size: 10px !important;
  font-weight: bold !important;
  color: #8a2be2 !important;
  box-shadow: 0 1px 3px rgba(0,0,0,0.2) !important;
}

// Relationship direction indicators
.er-direction-arrow {
  fill: #8a2be2;
  stroke: #8a2be2;
  stroke-width: 1;

  &.selected {
    fill: #faad14;
    stroke: #faad14;
  }
}

.er-relationship-label {
  background: rgba(138, 43, 226, 0.9);
  color: white;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 10px;
  font-weight: bold;

  &:hover + .relationship-tooltip {
    opacity: 1 !important;
  }
}

// Add button styles
.er-add-button {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 105px;
  height: 42px;
  border-radius: 16px;
  background: linear-gradient(135deg, #8a2be2, #9932cc);
  border: none;
  color: white;
  padding: 3px;
  display: flex;
  align-items: center;
  justify-content: center;

  svg {
    width: 99px;
    height: 36px;
    max-width: 100%;
    max-height: 100%;
  }
  cursor: pointer;
  box-shadow: 0 4px 16px rgba(138, 43, 226, 0.3);
  transition: all 0.2s ease;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;

  &:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(138, 43, 226, 0.4);
  }

  &:active {
    transform: scale(0.95);
  }

  &:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
  }
}

// Breadcrumb styles
.er-breadcrumb-dropdown {
  display: inline-flex;
  align-items: center;
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 4px;
  transition: background-color 0.2s ease;

  &:hover {
    background-color: rgba(0, 169, 157, 0.1);
  }

  .dropdown-arrow {
    margin-left: 4px;
    font-size: 12px;
    transition: transform 0.2s ease;
  }

  &.open .dropdown-arrow {
    transform: rotate(180deg);
  }
}

// Service menu styles
.er-service-menu {
  background: rgba(26, 26, 26, 0.95) !important;
  border: 1px solid rgba(0, 169, 157, 0.3) !important;
  border-radius: 8px !important;
  backdrop-filter: blur(10px) !important;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3) !important;

  .MuiMenuItem-root {
    color: #ffffff !important;
    padding: 12px 16px !important;
    border-radius: 4px !important;
    margin: 4px 8px !important;
    transition: all 0.2s ease !important;

    &:hover {
      background-color: rgba(0, 169, 157, 0.1) !important;
    }
  }

  .MuiListItemIcon-root {
    color: #00a99d !important;
    min-width: 32px !important;
  }
}

// ReactFlow specific overrides
.react-flow__edges {
  z-index: 1;
}

.react-flow__edge {
  pointer-events: all;

  path {
    stroke: #8a2be2;
    stroke-width: 2;
  }

  &.selected path {
    stroke: #faad14 !important;
    stroke-width: 3 !important;
  }
}

// Panel styles
.er-info-panel {
  background: rgba(26, 26, 26, 0.9);
  padding: 16px 20px;
  border-radius: 12px;
  border: 1px solid rgba(138, 43, 226, 0.3);
  color: #fff;
  font-size: 13px;
  backdrop-filter: blur(10px);
  min-width: 280px;
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);

  .panel-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: bold;
    font-size: 14px;
  }

  .panel-service-info {
    font-size: 12px;
    opacity: 0.9;
    margin-bottom: 8px;

    .service-header {
      display: flex;
      align-items: center;
      gap: 4px;
      margin-bottom: 4px;
      font-weight: bold;
    }

    .data-source-selector {
      font-size: 11px;
      opacity: 0.7;
      display: flex;
      align-items: center;
      gap: 4px;
      cursor: pointer;
      padding: 2px 4px;
      border-radius: 3px;
      transition: background-color 0.2s ease;

      &:hover {
        background-color: rgba(138, 43, 226, 0.1);
      }
    }
  }

  .panel-stats {
    font-size: 12px;
    opacity: 0.8;
    border-top: 1px solid rgba(138, 43, 226, 0.2);
    padding-top: 8px;

    .stats-row {
      margin-bottom: 4px;
    }

    .mock-data-indicator {
      font-size: 11px;
      color: #faad14;
      display: flex;
      align-items: center;
      gap: 4px;
      margin-top: 4px;

      .indicator-dot {
        width: 6px;
        height: 6px;
        background: #faad14;
        border-radius: 50%;
      }
    }
  }
}

.er-legend-panel {
  background: rgba(26, 26, 26, 0.9);
  padding: 12px 16px;
  border-radius: 8px;
  border: 1px solid rgba(138, 43, 226, 0.3);
  color: #fff;
  font-size: 12px;
  backdrop-filter: blur(5px);
  min-width: 200px;

  .legend-header {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 8px;
    font-weight: bold;
  }

  .legend-content {
    font-size: 11px;
    line-height: 1.4;

    .legend-item {
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 4px;

      .legend-symbol {
        color: #8a2be2;
      }
    }

    .legend-footer {
      font-size: 10px;
      opacity: 0.7;
      margin-top: 8px;
      border-top: 1px solid rgba(138, 43, 226, 0.2);
      padding-top: 6px;
      line-height: 1.3;
    }
  }
}

// Responsive design
@media (max-width: 768px) {
  .er-info-panel {
    min-width: 240px;
    padding: 12px 16px;
    font-size: 12px;

    .panel-header {
      font-size: 13px;
    }
  }

  .er-legend-panel {
    min-width: 180px;
    padding: 10px 12px;
    font-size: 11px;
  }

  .er-add-button {
    width: 95px;
    height: 38px;
    bottom: 20px;
    right: 20px;
    padding: 2px;
    
    svg {
      width: 89px;
      height: 32px;
    }
  }
}

@media (max-width: 480px) {
  .er-database-wrapper {
    padding: 60px;
  }

  .er-schema-group {
    padding: 40px;
  }

  .er-table-node {
    width: 220px;
  }
}