/* Mesh Release Tracker Styles */

:root {
  /* Colors */
  --color-primary: #2563eb;
  --color-primary-hover: #1d4ed8;
  --color-secondary: #64748b;
  --color-success: #059669;
  --color-warning: #d97706;
  --color-danger: #dc2626;
  --color-info: #0891b2;

  /* Backgrounds */
  --bg-primary: #ffffff;
  --bg-secondary: #f8fafc;
  --bg-tertiary: #f1f5f9;
  --bg-dark: #0f172a;
  --bg-card: #ffffff;
  --bg-hover: #f1f5f9;

  /* Text */
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --text-inverse: #ffffff;

  /* Borders */
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --border-focus: #2563eb;

  /* Shadows */
  --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
  --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
  --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);

  /* Typography */
  --font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  --font-mono: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;

  /* Spacing */
  --space-xs: 0.25rem;
  --space-sm: 0.5rem;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --space-xl: 2rem;
  --space-2xl: 3rem;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 350ms ease;
}

/* Reset and Base Styles */
* {
  box-sizing: border-box;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-family);
  font-size: 14px;
  line-height: 1.5;
  color: var(--text-primary);
  background-color: var(--bg-secondary);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* Header */
.header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-color);
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(8px);
}

.header-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--space-md) var(--space-lg);
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.header-title {
  margin: 0;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-primary);
}

.header-controls {
  display: flex;
  align-items: center;
  gap: var(--space-md);
}

.last-update {
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-sm) var(--space-md);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: none;
  transition: var(--transition-fast);
  cursor: pointer;
  background: var(--bg-primary);
  color: var(--text-primary);
}

.btn:hover {
  background: var(--bg-hover);
  transform: translateY(-1px);
}

.btn-primary {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background: var(--color-primary-hover);
  border-color: var(--color-primary-hover);
}

.btn-secondary {
  background: var(--bg-tertiary);
  color: var(--text-secondary);
}

.icon {
  width: 16px;
  height: 16px;
  stroke-width: 2;
}

/* Layout */
.container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: var(--space-xl);
  padding: var(--space-lg);
  min-height: calc(100vh - 80px);
}

/* Sidebar */
.sidebar {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.filter-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
}

.filter-title {
  margin: 0 0 var(--space-md) 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
}

/* Repository Tree */
.repo-tree {
  font-size: 0.875rem;
}

.tree-node {
  margin-left: var(--space-md);
}

.tree-node:first-child {
  margin-left: 0;
}

.tree-label {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) 0;
  cursor: pointer;
  user-select: none;
}

.tree-label:hover {
  color: var(--color-primary);
}

.tree-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
  transition: var(--transition-fast);
}

.tree-node.expanded .tree-icon {
  transform: rotate(0deg);
}

.tree-node:not(.expanded) .tree-icon {
  transform: rotate(-90deg);
}

.tree-leaf .tree-icon {
  opacity: 0;
}

.tree-text {
  font-weight: 500;
}

.tree-children {
  margin-left: var(--space-md);
  margin-top: var(--space-xs);
  border-left: 1px solid var(--border-light);
  padding-left: var(--space-md);
}

.tree-children .tree-node {
  margin-left: 0;
}

.tree-node:not(.expanded) .tree-children {
  display: none;
}

/* Checkboxes */
input[type="checkbox"] {
  width: 16px;
  height: 16px;
  border: 1px solid var(--border-color);
  border-radius: 3px;
  cursor: pointer;
}

input[type="checkbox"]:checked {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
}

input[type="checkbox"]:indeterminate {
  background-color: var(--color-secondary);
  border-color: var(--color-secondary);
}

/* Search Panel */
.search-panel {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  box-shadow: var(--shadow-sm);
  position: relative;
}

.search-box {
  position: relative;
  display: flex;
  align-items: center;
}

.search-icon {
  position: absolute;
  left: var(--space-md);
  width: 16px;
  height: 16px;
  color: var(--text-muted);
  pointer-events: none;
}

#search-input {
  width: 100%;
  padding: var(--space-md) var(--space-2xl) var(--space-md) 2.5rem;
  border: none;
  font-size: 0.875rem;
  background: transparent;
  outline: none;
}

#search-input::placeholder {
  color: var(--text-muted);
}

.clear-search {
  position: absolute;
  right: var(--space-md);
  background: none;
  border: none;
  padding: var(--space-xs);
  cursor: pointer;
  color: var(--text-muted);
  border-radius: 4px;
}

.clear-search:hover {
  background: var(--bg-hover);
  color: var(--text-primary);
}

.clear-search svg {
  width: 14px;
  height: 14px;
}

/* Search Suggestions */
.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-top: none;
  border-radius: 0 0 8px 8px;
  box-shadow: var(--shadow-md);
  max-height: 200px;
  overflow-y: auto;
  z-index: 50;
  display: none;
}

.suggestion-item {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  cursor: pointer;
  border-bottom: 1px solid var(--border-light);
}

.suggestion-item:hover {
  background: var(--bg-hover);
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-icon {
  width: 14px;
  height: 14px;
  color: var(--text-muted);
}

.suggestion-text {
  flex: 1;
  font-size: 0.875rem;
}

.suggestion-text mark {
  background: var(--color-primary);
  color: var(--text-inverse);
  padding: 1px 2px;
  border-radius: 2px;
}

.suggestion-type {
  font-size: 0.75rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* GitHub Alert Blockquotes */
.alert {
  border: 1px solid;
  border-radius: 6px;
  padding: var(--space-md);
  margin: var(--space-md) 0;
  border-left: 4px solid;
}

.alert-header {
  display: flex;
  align-items: center;
  gap: var(--space-xs);
  font-weight: 600;
  margin-bottom: var(--space-sm);
}

.alert-icon {
  font-size: 1.2em;
}

.alert-content {
  margin-top: var(--space-sm);
}

.alert-content p:first-child {
  margin-top: 0;
}

.alert-content p:last-child {
  margin-bottom: 0;
}

/* Alert type styles */
.alert-caution {
  background-color: #fff8e5;
  border-color: #fbbf24;
  border-left-color: #f59e0b;
  color: #92400e;
}

.alert-important {
  background-color: #fef2f2;
  border-color: #f87171;
  border-left-color: #ef4444;
  color: #b91c1c;
}

.alert-warning {
  background-color: #fff8e5;
  border-color: #fbbf24;
  border-left-color: #f59e0b;
  color: #92400e;
}

.alert-note {
  background-color: #eff6ff;
  border-color: #60a5fa;
  border-left-color: #3b82f6;
  color: #1e40af;
}

.alert-tip {
  background-color: #f0fdf4;
  border-color: #4ade80;
  border-left-color: #22c55e;
  color: #15803d;
}

/* Dark mode alert styles */
@media (prefers-color-scheme: dark) {
  .alert-caution {
    background-color: #451a03;
    border-color: #92400e;
    color: #fbbf24;
  }

  .alert-important {
    background-color: #450a0a;
    border-color: #b91c1c;
    color: #f87171;
  }

  .alert-warning {
    background-color: #451a03;
    border-color: #92400e;
    color: #fbbf24;
  }

  .alert-note {
    background-color: #1e3a8a;
    border-color: #1e40af;
    color: #60a5fa;
  }

  .alert-tip {
    background-color: #14532d;
    border-color: #15803d;
    color: #4ade80;
  }
}

/* Content Area */
.content {
  display: flex;
  flex-direction: column;
  gap: var(--space-lg);
}

.content-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: var(--space-md);
  border-bottom: 1px solid var(--border-color);
}

.results-info {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.view-controls {
  display: flex;
  gap: var(--space-xs);
}

.view-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  background: var(--bg-primary);
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition-fast);
}

.view-btn:hover,
.view-btn.active {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.view-btn svg {
  width: 16px;
  height: 16px;
}

/* Release Cards */
.releases-container {
  display: grid;
  gap: var(--space-lg);
}

.releases-container.view-card {
  grid-template-columns: 1fr;
}

.releases-container.view-compact {
  gap: var(--space-sm);
}

.release-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: 8px;
  padding: var(--space-lg);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-fast);
}

.release-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.release-card.revoked {
  opacity: 0.5;
  filter: grayscale(50%);
}

.releases-container.view-compact .release-card {
  padding: var(--space-sm);
  border-radius: 4px;
  display: flex;
  align-items: center;
  gap: var(--space-md);
  min-height: auto;
}

.releases-container.view-compact .release-header {
  margin-bottom: 0;
  flex: 1;
  min-width: 0;
}

.releases-container.view-compact .release-title h3 {
  font-size: 0.875rem;
  margin: 0;
  line-height: 1.2;
}

.releases-container.view-compact .release-meta {
  font-size: 0.75rem;
  margin-top: 2px;
}

.releases-container.view-compact .release-date {
  flex-shrink: 0;
  font-size: 0.75rem;
  margin: 0;
}

.releases-container.view-compact .release-badges {
  flex-shrink: 0;
}

.releases-container.view-compact .release-badges .badge {
  font-size: 0.625rem;
  padding: 2px 6px;
}

.releases-container.view-compact .release-notes {
  display: none;
}

/* Expanded compact cards */
.releases-container.view-compact .release-card.expanded {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  padding: var(--space-lg);
  cursor: default;
}

.releases-container.view-compact .release-card.expanded .release-header {
  margin-bottom: var(--space-md);
}

.releases-container.view-compact .release-card.expanded .release-notes {
  display: block;
  margin-top: var(--space-md);
}

/* Add cursor pointer for clickable compact cards */
.releases-container.view-compact .release-card:not(.expanded) {
  cursor: pointer;
}

.releases-container.view-compact .release-card:not(.expanded):hover {
  background: var(--bg-hover);
}

.release-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: var(--space-md);
}

.release-title h3 {
  margin: 0 0 var(--space-xs) 0;
  font-size: 1.125rem;
  font-weight: 600;
}

.release-title a {
  color: var(--text-primary);
  text-decoration: none;
}

.release-title a:hover {
  color: var(--color-primary);
  text-decoration: underline;
}

.release-meta {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  font-size: 0.75rem;
  color: var(--text-muted);
}

.repository,
.category,
.tag {
  padding: 2px 6px;
  background: var(--bg-tertiary);
  border-radius: 4px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.repository {
  background: var(--color-primary);
  color: var(--text-inverse);
}

.repository-meshtastic {
  background: var(--color-success);
  color: var(--text-inverse);
}

.release-badges {
  display: flex;
  gap: var(--space-xs);
}

.badge {
  padding: var(--space-xs) var(--space-sm);
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-new {
  background: var(--color-success);
  color: var(--text-inverse);
}

.badge-prerelease {
  background: var(--color-warning);
  color: var(--text-inverse);
}

.badge-stable {
  background: var(--color-success);
  color: var(--text-inverse);
}

.badge-beta {
  background: var(--color-warning);
  color: var(--text-inverse);
}

.badge-alpha {
  background: var(--color-danger);
  color: var(--text-inverse);
}

.badge-meshtastic {
  background: var(--color-success);
  color: var(--text-inverse);
}

.badge-secondary {
  background: var(--color-secondary);
  color: var(--text-inverse);
}

.release-date {
  margin-bottom: var(--space-md);
  font-size: 0.875rem;
  color: var(--text-muted);
}

/* Release Notes */
.release-notes {
  margin: var(--space-md) 0;
  border: 1px solid var(--border-color);
  border-radius: 6px;
  overflow: hidden;
}

.notes-toggle {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--space-md);
  background: var(--bg-tertiary);
  border: none;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-primary);
  cursor: pointer;
  transition: var(--transition-fast);
}

.notes-toggle:hover {
  background: var(--bg-hover);
}

.toggle-icon {
  width: 16px;
  height: 16px;
  transition: var(--transition-fast);
}

.release-notes.expanded .toggle-icon {
  transform: rotate(180deg);
}

.notes-content {
  padding: var(--space-md);
  background: var(--bg-primary);
  font-size: 0.875rem;
  line-height: 1.6;
  max-height: 0;
  overflow: hidden;
  transition: var(--transition-normal);
}

.release-notes.expanded .notes-content {
  max-height: 400px;
  overflow-y: auto;
}

.notes-content h1,
.notes-content h2,
.notes-content h3 {
  margin: var(--space-md) 0 var(--space-sm) 0;
  color: var(--text-primary);
}

.notes-content code {
  background: var(--bg-tertiary);
  padding: 2px 4px;
  border-radius: 3px;
  font-family: var(--font-mono);
  font-size: 0.8em;
}

.notes-content pre {
  background: var(--bg-tertiary);
  padding: var(--space-md);
  border-radius: 6px;
  overflow-x: auto;
  font-family: var(--font-mono);
  font-size: 0.8em;
}

/* Release Assets */
.release-assets {
  margin-top: var(--space-md);
  padding-top: var(--space-md);
  border-top: 1px solid var(--border-light);
}

.release-assets h4 {
  margin: 0 0 var(--space-sm) 0;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--text-primary);
}

.asset-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
}

.asset-link {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: var(--space-xs) var(--space-sm);
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  border-radius: 6px;
  font-size: 0.75rem;
  text-decoration: none;
  color: var(--text-primary);
  transition: var(--transition-fast);
}

.asset-link:hover {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

.asset-size {
  color: var(--text-muted);
  font-weight: 400;
}

.asset-link:hover .asset-size {
  color: var(--text-inverse);
}

/* Loading States */
.loading-indicator {
  display: none;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding: var(--space-xl);
  color: var(--text-muted);
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border-color);
  border-top: 2px solid var(--color-primary);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

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

.load-more-trigger {
  height: 1px;
  margin: var(--space-lg) 0;
}

/* Error States */
.retry-container {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
}

.retry-btn {
  background: var(--color-primary);
  color: var(--text-inverse);
  border-color: var(--color-primary);
}

/* Responsive Design */
@media (max-width: 768px) {
  .container {
    grid-template-columns: 1fr;
    gap: var(--space-md);
    padding: var(--space-md);
  }

  .sidebar {
    order: 2;
  }

  .content {
    order: 1;
  }

  .header-content {
    padding: var(--space-md);
  }

  .header-title {
    font-size: 1.25rem;
  }

  .header-controls {
    gap: var(--space-sm);
  }

  .content-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-md);
  }

  .release-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--space-sm);
  }

  .release-meta {
    flex-wrap: wrap;
  }

  .asset-list {
    flex-direction: column;
  }
}

@media (max-width: 480px) {
  .container {
    padding: var(--space-sm);
  }

  .filter-panel,
  .search-panel {
    padding: var(--space-md);
  }

  .release-card {
    padding: var(--space-md);
  }

  .release-title h3 {
    font-size: 1rem;
  }
}

/* Focus States for Accessibility */
button:focus,
input:focus,
a:focus {
  outline: 2px solid var(--border-focus);
  outline-offset: 2px;
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-muted: #000000;
  }
}

/* Reduced Motion Support */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}