/**
 * Kroki Diagrams Styles
 * Styles for Kroki diagram rendering, loading states, and toolbars
 */

/* Main diagram container */
.kroki-diagram {
  margin: 2rem 0;
  border: 1px solid var(--border-color, #e0e0e0);
  border-radius: 8px;
  overflow: hidden;
  background: var(--diagram-bg, #ffffff);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s ease;
}

.kroki-diagram:hover {
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

/* Diagram content wrapper */
.kroki-diagram-content {
  padding: 1.5rem;
  text-align: center;
  overflow-x: auto;
}

.kroki-diagram-content svg {
  max-width: 100%;
  height: auto;
  display: inline-block;
}

/* Toolbar */
.kroki-toolbar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1rem;
  background: var(--toolbar-bg, #f5f5f5);
  border-bottom: 1px solid var(--border-color, #e0e0e0);
}

/* Diagram type badge */
.kroki-badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: var(--badge-bg, #00bcd4);
  color: var(--badge-text, #ffffff);
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  border-radius: 4px;
  letter-spacing: 0.5px;
  margin-right: auto;
}

/* Toolbar buttons */
.kroki-btn {
  padding: 0.375rem 0.75rem;
  background: var(--btn-bg, #ffffff);
  border: 1px solid var(--btn-border, #d0d0d0);
  border-radius: 4px;
  font-size: 0.875rem;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.2s ease;
  color: var(--btn-text, #333333);
}

.kroki-btn:hover {
  background: var(--btn-hover-bg, #f0f0f0);
  border-color: var(--btn-hover-border, #00bcd4);
  transform: translateY(-1px);
}

.kroki-btn:active {
  transform: translateY(0);
}

.kroki-btn.active {
  background: var(--btn-active-bg, #00bcd4);
  color: var(--btn-active-text, #ffffff);
  border-color: var(--btn-active-border, #00bcd4);
}

/* Source code display */
.kroki-source {
  margin: 0;
  padding: 1rem;
  background: var(--code-bg, #1e1e1e);
  border-top: 1px solid var(--border-color, #e0e0e0);
  overflow-x: auto;
}

.kroki-source code {
  color: var(--code-text, #d4d4d4);
  font-family: 'Space Mono', 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre;
}

/* Loading state */
.kroki-loading {
  position: relative;
  min-height: 200px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--loading-bg, #fafafa);
}

.kroki-spinner {
  text-align: center;
}

.kroki-spinner-icon {
  width: 48px;
  height: 48px;
  margin: 0 auto 1rem;
  border: 4px solid var(--spinner-track, #e0e0e0);
  border-top-color: var(--spinner-color, #00bcd4);
  border-radius: 50%;
  animation: kroki-spin 1s linear infinite;
}

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

.kroki-spinner-text {
  font-size: 0.875rem;
  color: var(--spinner-text, #666666);
  font-weight: 500;
}

/* Error state */
.kroki-error {
  margin: 2rem 0;
  border: 2px solid var(--error-border, #f44336);
  border-radius: 8px;
  overflow: hidden;
}

.kroki-error-message {
  padding: 1.5rem;
  background: var(--error-bg, #ffebee);
}

.kroki-error-title {
  font-size: 1rem;
  font-weight: 700;
  color: var(--error-title, #c62828);
  margin-bottom: 0.5rem;
}

.kroki-error-text {
  font-size: 0.875rem;
  color: var(--error-text, #d32f2f);
  line-height: 1.6;
  margin-bottom: 1rem;
}

.kroki-error-source {
  margin: 1rem 0 0;
  padding: 1rem;
  background: var(--error-code-bg, #1e1e1e);
  border-radius: 4px;
  overflow-x: auto;
}

.kroki-error-source code {
  color: var(--error-code-text, #d4d4d4);
  font-family: 'Space Mono', 'Courier New', monospace;
  font-size: 0.875rem;
  line-height: 1.6;
  white-space: pre;
}

/* Shortcode container */
.kroki-shortcode {
  margin: 2rem 0;
}

/* Diagram block (before rendering) */
.kroki-diagram-block {
  position: relative;
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .kroki-diagram {
    margin: 1.5rem 0;
  }

  .kroki-diagram-content {
    padding: 1rem;
  }

  .kroki-toolbar {
    flex-wrap: wrap;
    gap: 0.5rem;
  }

  .kroki-badge {
    margin-right: auto;
    width: 100%;
  }

  .kroki-btn {
    font-size: 0.8125rem;
    padding: 0.3125rem 0.625rem;
  }
}

/* Dark mode support */
@media (prefers-color-scheme: dark) {
  .kroki-diagram {
    --border-color: #404040;
    --diagram-bg: #1e1e1e;
  }

  .kroki-toolbar {
    --toolbar-bg: #2d2d2d;
    --border-color: #404040;
  }

  .kroki-badge {
    --badge-bg: #00acc1;
  }

  .kroki-btn {
    --btn-bg: #2d2d2d;
    --btn-border: #505050;
    --btn-text: #e0e0e0;
    --btn-hover-bg: #3d3d3d;
    --btn-hover-border: #00acc1;
  }

  .kroki-btn.active {
    --btn-active-bg: #00acc1;
    --btn-active-text: #ffffff;
  }

  .kroki-loading {
    --loading-bg: #252525;
  }

  .kroki-spinner-icon {
    --spinner-track: #404040;
    --spinner-color: #00acc1;
  }

  .kroki-spinner-text {
    --spinner-text: #a0a0a0;
  }

  .kroki-error {
    --error-border: #d32f2f;
  }

  .kroki-error-message {
    --error-bg: #3d1e1e;
  }

  .kroki-error-title {
    --error-title: #ff5252;
  }

  .kroki-error-text {
    --error-text: #ff8a80;
  }

  /* Invert SVG colors in dark mode (optional) */
  .kroki-diagram-content svg {
    filter: invert(0); /* Set to invert(1) if you want to invert colors */
  }
}

/* Print styles */
@media print {
  .kroki-toolbar {
    display: none;
  }

  .kroki-diagram {
    box-shadow: none;
    border: 1px solid #000;
    page-break-inside: avoid;
  }

  .kroki-source {
    display: none !important;
  }

  .kroki-diagram-content svg {
    max-width: 100%;
    page-break-inside: avoid;
  }
}

/* Accessibility */
.kroki-btn:focus {
  outline: 2px solid var(--focus-color, #00bcd4);
  outline-offset: 2px;
}

.kroki-diagram-content svg:focus {
  outline: 2px solid var(--focus-color, #00bcd4);
  outline-offset: 4px;
}

/* Custom scrollbar for diagram containers */
.kroki-diagram-content::-webkit-scrollbar {
  height: 8px;
}

.kroki-diagram-content::-webkit-scrollbar-track {
  background: var(--scrollbar-track, #f1f1f1);
  border-radius: 4px;
}

.kroki-diagram-content::-webkit-scrollbar-thumb {
  background: var(--scrollbar-thumb, #888);
  border-radius: 4px;
}

.kroki-diagram-content::-webkit-scrollbar-thumb:hover {
  background: var(--scrollbar-thumb-hover, #555);
}

/* Animation for diagram appearance */
@keyframes kroki-fade-in {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.kroki-diagram {
  animation: kroki-fade-in 0.3s ease-out;
}