/* Math Configuration Viewer — Code Editor Aesthetic */

:root {
  --config-dark-bg: #0d1117;
  --config-card-bg: #161b22;
  --config-border: #30363d;
  --config-text-primary: #c9d1d9;
  --config-text-secondary: #8b949e;
  --config-key-color: #79c0ff;
  --config-string-color: #a5d6ff;
  --config-number-color: #79c0ff;
  --config-boolean-color: #ff7b72;
  --config-comment-color: #8b949e;
  --config-accent: #58a6ff;
  --config-glow: rgba(88, 166, 255, 0.2);
}

.math-config-viewer {
  background: var(--config-dark-bg);
  border: 1px solid var(--config-border);
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 0 30px rgba(88, 166, 255, 0.1), inset 0 1px 0 rgba(255, 255, 255, 0.05);
  font-family: 'Fira Code', 'Courier New', monospace;
  font-size: 13px;
  line-height: 1.6;
  color: var(--config-text-primary);
}

/* Header */
.config-viewer-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem;
  background: linear-gradient(135deg, rgba(88, 166, 255, 0.1) 0%, transparent 100%);
  border-bottom: 1px solid var(--config-border);
}

.config-viewer-title {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-weight: 600;
  color: var(--config-accent);
  font-size: 0.95rem;
  letter-spacing: 0.5px;
}

.config-title-icon {
  font-size: 1.1rem;
  animation: code-pulse 2s ease-in-out infinite;
}

@keyframes code-pulse {
  0%, 100% { opacity: 0.8; }
  50% { opacity: 1; }
}

.config-viewer-controls {
  display: flex;
  gap: 0.5rem;
}

.config-btn {
  padding: 0.5rem 0.85rem;
  background: rgba(88, 166, 255, 0.1);
  border: 1px solid var(--config-border);
  color: var(--config-accent);
  cursor: pointer;
  border-radius: 4px;
  font-family: 'Fira Code', monospace;
  font-size: 0.8rem;
  font-weight: 500;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 0.35rem;
}

.config-btn:hover {
  background: rgba(88, 166, 255, 0.2);
  border-color: var(--config-accent);
  box-shadow: 0 0 10px rgba(88, 166, 255, 0.3);
}

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

.config-btn-icon {
  font-size: 0.9rem;
}

/* Content Area */
.config-viewer-content {
  padding: 1.5rem;
  background: var(--config-card-bg);
  overflow-x: auto;
  position: relative;
}

/* Line numbering */
.config-line-numbers {
  position: absolute;
  left: 0;
  top: 1.5rem;
  width: 50px;
  padding: 0 0.75rem;
  background: rgba(88, 166, 255, 0.05);
  border-right: 1px solid var(--config-border);
  color: var(--config-text-secondary);
  font-size: 0.85rem;
  line-height: 1.6;
  text-align: right;
  user-select: none;
}

.config-code {
  margin-left: 60px;
  position: relative;
  z-index: 1;
}

/* Section styling */
.config-section {
  margin-bottom: 1.5rem;
  border-left: 3px solid var(--config-border);
  padding-left: 1rem;
  transition: all 0.3s ease;
}

.config-section:last-child {
  margin-bottom: 0;
}

.config-section.highlighted {
  border-left-color: var(--config-accent);
  background: rgba(88, 166, 255, 0.05);
  padding: 0.75rem;
  padding-left: 1rem;
  border-radius: 4px;
}

/* Section header (collapsible) */
.config-section-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.5rem 0;
  user-select: none;
  transition: all 0.2s ease;
  color: var(--config-key-color);
  font-weight: 500;
}

.config-section-header:hover {
  color: var(--config-accent);
}

.config-toggle-arrow {
  display: inline-block;
  width: 1.2rem;
  text-align: center;
  transition: transform 0.3s ease;
  font-size: 0.9rem;
}

.config-section.collapsed .config-toggle-arrow {
  transform: rotate(-90deg);
}

.config-section-content {
  max-height: 1000px;
  overflow: hidden;
  transition: max-height 0.3s ease;
  margin-top: 0.5rem;
}

.config-section.collapsed .config-section-content {
  max-height: 0;
  margin-top: 0;
}

/* Syntax highlighting */
.config-key {
  color: var(--config-key-color);
  font-weight: 500;
}

.config-string {
  color: var(--config-string-color);
}

.config-number {
  color: var(--config-number-color);
}

.config-boolean {
  color: var(--config-boolean-color);
  font-weight: 500;
}

.config-punctuation {
  color: var(--config-text-secondary);
}

.config-comment {
  color: var(--config-comment-color);
  font-style: italic;
}

.config-line {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0.25rem 0;
  padding: 0.25rem 0.5rem;
  border-radius: 3px;
  transition: background 0.2s ease;
}

.config-line:hover {
  background: rgba(88, 166, 255, 0.08);
}

.config-line-content {
  flex: 1;
}

/* Inline copy button */
.config-line-copy {
  opacity: 0;
  margin-left: 0.5rem;
  padding: 0.25rem 0.4rem;
  background: transparent;
  border: 1px solid transparent;
  color: var(--config-text-secondary);
  cursor: pointer;
  font-size: 0.75rem;
  border-radius: 3px;
  transition: all 0.2s ease;
}

.config-line:hover .config-line-copy {
  opacity: 1;
}

.config-line-copy:hover {
  background: rgba(88, 166, 255, 0.2);
  border-color: var(--config-accent);
  color: var(--config-accent);
}

/* Property display (key: value pairs) */
.config-property {
  display: flex;
  gap: 1rem;
  align-items: baseline;
  padding: 0.5rem 0;
}

.config-property-key {
  color: var(--config-key-color);
  min-width: 140px;
  font-weight: 500;
}

.config-property-value {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  flex: 1;
}

.config-property-label {
  color: var(--config-text-secondary);
  font-size: 0.9rem;
  padding: 0.25rem 0.5rem;
  background: rgba(88, 166, 255, 0.1);
  border-radius: 3px;
  white-space: nowrap;
}

/* Value badges */
.config-value-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.3rem 0.6rem;
  background: rgba(88, 166, 255, 0.15);
  border: 1px solid rgba(88, 166, 255, 0.3);
  border-radius: 4px;
  font-weight: 500;
  color: var(--config-accent);
  font-size: 0.9rem;
}

.config-value-badge.updated {
  animation: value-update 0.5s ease-out;
  background: rgba(76, 175, 80, 0.15);
  border-color: rgba(76, 175, 80, 0.3);
  color: #4caf50;
}

@keyframes value-update {
  0% {
    background: rgba(255, 193, 7, 0.3);
    border-color: rgba(255, 193, 7, 0.5);
    transform: scale(1.05);
  }
  100% {
    background: rgba(88, 166, 255, 0.15);
    border-color: rgba(88, 166, 255, 0.3);
    transform: scale(1);
  }
}

/* Grid layout for symbol weights */
.config-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}

.config-grid-item {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 0.75rem;
  background: rgba(88, 166, 255, 0.08);
  border: 1px solid var(--config-border);
  border-radius: 4px;
  transition: all 0.2s ease;
}

.config-grid-item:hover {
  background: rgba(88, 166, 255, 0.12);
  border-color: var(--config-accent);
  box-shadow: 0 0 8px rgba(88, 166, 255, 0.2);
}

.config-grid-label {
  font-size: 0.75rem;
  color: var(--config-text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.config-grid-value {
  font-size: 1.1rem;
  color: var(--config-number-color);
  font-weight: 600;
  font-family: 'Fira Code', monospace;
}

/* Collapse indicator */
.config-collapse-info {
  font-size: 0.8rem;
  color: var(--config-text-secondary);
  margin-top: 0.5rem;
  font-style: italic;
}

/* Copy feedback */
.config-copy-feedback {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  padding: 0.75rem 1.25rem;
  background: rgba(76, 175, 80, 0.2);
  border: 1px solid rgba(76, 175, 80, 0.5);
  border-radius: 4px;
  color: #4caf50;
  font-size: 0.9rem;
  animation: feedback-slide 0.5s ease-out forwards;
  z-index: 1000;
}

@keyframes feedback-slide {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Responsive */
@media (max-width: 768px) {
  .math-config-viewer {
    font-size: 12px;
  }

  .config-line-numbers {
    width: 40px;
    font-size: 0.75rem;
  }

  .config-code {
    margin-left: 50px;
  }

  .config-grid {
    grid-template-columns: repeat(auto-fit, minmax(90px, 1fr));
  }

  .config-btn {
    padding: 0.4rem 0.7rem;
    font-size: 0.75rem;
  }

  .config-property {
    flex-direction: column;
  }

  .config-property-key {
    min-width: unset;
  }

  .config-copy-feedback {
    bottom: 1rem;
    right: 1rem;
    left: 1rem;
  }
}

/* Loading state */
.config-viewer.loading {
  opacity: 0.7;
  pointer-events: none;
}

.config-viewer.loading::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(13, 17, 23, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 10;
}

/* Animation for section expand/collapse */
.config-section-content {
  animation: expand-smooth 0.3s ease-out;
}

@keyframes expand-smooth {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}