/* Timeline Homepage Styles - Desert Theme Integration */

/* Timeline Container */
.unified-timeline {
  max-width: 800px;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Timeline Header */
.timeline-header {
  margin-bottom: var(--spacing-xl);
}

.avatar-section img {
  border: 3px solid var(--accent-color);
  transition: transform 0.3s ease;
}

.avatar-section img:hover {
  transform: scale(1.05);
}

.author-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 600;
}

.author-link:hover {
  color: var(--hover-color);
  text-decoration: underline;
}

.tagline {
  color: var(--text-muted);
  font-size: 1.1rem;
  margin: var(--spacing-sm) 0 0 0;
}

/* Content Filters */
.content-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-lg);
}

.filter-btn {
  background: var(--card-background);
  border: 2px solid var(--border-color);
  color: var(--text-color);
  padding: var(--spacing-sm) var(--spacing-md);
  border-radius: 25px;
  cursor: pointer;
  transition: all 0.3s ease;
  font-weight: 500;
  font-size: 0.9rem;
  min-width: 80px;
}

/* Mobile-optimized content filters */
@media (max-width: 768px) {
  .content-filters {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem 0;
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .content-filters::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    flex-shrink: 0;
    min-width: 70px;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  
  /* Add scroll indicators */
  .content-filters::before,
  .content-filters::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 20px;
    pointer-events: none;
    z-index: 2;
  }
  
  .content-filters::before {
    left: 0;
    background: linear-gradient(to right, var(--background-color), transparent);
  }
  
  .content-filters::after {
    right: 0;
    background: linear-gradient(to left, var(--background-color), transparent);
  }
}

.filter-btn:hover {
  background: var(--hover-color);
  border-color: var(--hover-color);
  color: white;
  transform: translateY(-1px);
}

.filter-btn.active {
  background: var(--accent-color);
  border-color: var(--accent-color);
  color: white;
}

/* Timeline Content */
.timeline-content {
  margin-top: var(--spacing-xl);
}

/* Content Cards */
.content-card {
  background: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: 12px;
  margin-bottom: var(--spacing-lg);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
  opacity: 1;
  transform: translateY(0);
}

.content-card:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
}

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

.publication-date {
  color: var(--text-muted);
  font-size: 0.9rem;
  font-weight: 500;
}

.content-type-info {
  display: flex;
  align-items: center;
}

/* Content Type Badges with Desert Color Coding */
.content-type-badge {
  padding: 0.25rem 0.75rem;
  border-radius: 15px;
  font-size: 0.8rem;
  font-weight: 600;
  color: white;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.content-type-badge[data-type="posts"] {
  background: #FF4500; /* Sunset Orange */
}

.content-type-badge[data-type="notes"] {
  background: #DDA0DD; /* Cactus Flower */
}

.content-type-badge[data-type="responses"] {
  background: #FF6347; /* Ocotillo Bloom */
}

.content-type-badge[data-type="snippets"] {
  background: #9CAF88; /* Desert Sage */
}

.content-type-badge[data-type="wiki"] {
  background: #8FBC8F; /* Palo Verde */
}

.content-type-badge[data-type="presentations"] {
  background: #DAA520; /* Joshua Tree */
}

.content-type-badge[data-type="reviews"] {
  background: #CD853F; /* Barrel Cactus */
}

.content-type-badge[data-type="bookmarks"] {
  background: #9CAF88; /* Desert Sage - same as snippets but bookmarks get separate filter */
}

.content-type-badge[data-type="streams"] {
  background: #8FBC8F; /* Palo Verde */
}

/* Card Body */
.card-body {
  padding: var(--spacing-lg);
}

.card-title {
  margin: 0 0 var(--spacing-md) 0;
  font-size: 1.3rem;
  line-height: 1.4;
}

.title-link {
  color: var(--text-color);
  text-decoration: none;
  transition: color 0.3s ease;
}

.title-link:hover {
  color: var(--accent-color);
  text-decoration: underline;
}

.card-content {
  color: var(--text-color);
  line-height: 1.6;
}

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

/* Card Footer */
.card-footer {
  padding: var(--spacing-md);
  border-top: 1px solid var(--border-color);
  background: var(--background-subtle);
}

.card-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
}

.permalink-link {
  color: var(--accent-color);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.9rem;
  transition: color 0.3s ease;
}

.permalink-link:hover {
  color: var(--hover-color);
  text-decoration: underline;
}

/* Tags */
.tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-xs);
}

.tag-link {
  background: var(--tag-background);
  color: var(--tag-text);
  padding: 0.2rem 0.5rem;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.8rem;
  transition: all 0.3s ease;
}

.tag-link:hover {
  background: var(--accent-color);
  color: white;
  transform: translateY(-1px);
}

/* Responsive Design */
@media (max-width: 768px) {
  .unified-timeline {
    padding: var(--spacing-md);
  }
  
  .timeline-header {
    margin-bottom: var(--spacing-lg);
  }
  
  .avatar-section img {
    width: 120px;
    height: 120px;
  }
  
  .content-filters {
    flex-direction: row;
    justify-content: flex-start;
    gap: 0.5rem;
    overflow-x: auto;
    overflow-y: hidden;
    padding: 0.5rem 0;
    margin-left: -1rem;
    margin-right: -1rem;
    padding-left: 1rem;
    padding-right: 1rem;
    scrollbar-width: none;
    -ms-overflow-style: none;
  }
  
  .content-filters::-webkit-scrollbar {
    display: none;
  }
  
  .filter-btn {
    flex-shrink: 0;
    min-width: 70px;
    padding: 0.4rem 0.8rem;
    font-size: 0.85rem;
    white-space: nowrap;
  }
  
  /* Add scroll indicators */
  .content-filters::before,
  .content-filters::after {
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    width: 20px;
    pointer-events: none;
    z-index: 2;
  }
  
  .content-filters::before {
    left: 0;
    background: linear-gradient(to right, var(--background-color), transparent);
  }
  
  .content-filters::after {
    right: 0;
    background: linear-gradient(to left, var(--background-color), transparent);
  }
  
  .card-header {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-sm);
  }
  
  .content-type-info {
    align-self: flex-end;
  }
  
  .card-meta {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* Filtering Animation States */
.content-card.filtered-out {
  opacity: 0;
  transform: translateY(-10px);
  pointer-events: none;
}

.content-card.filtered-in {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

/* Loading States */
.timeline-content.loading .content-card {
  opacity: 0.5;
  pointer-events: none;
}

/* Empty State */
.timeline-empty {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

.timeline-empty h3 {
  margin-bottom: var(--spacing-md);
  color: var(--text-color);
}

/* Focus states for accessibility */
.filter-btn:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 2px;
}

.title-link:focus,
.permalink-link:focus,
.tag-link:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 1px;
  border-radius: 3px;
}

/* Individual Content Page Styles - Clean & Simple */
.individual-post {
  max-width: 800px;
  margin: var(--spacing-xl) auto;
  padding: var(--spacing-lg);
}

/* Post Header */
.post-header {
  margin-bottom: var(--spacing-xl);
  border-bottom: 2px solid var(--border-color);
  padding-bottom: var(--spacing-lg);
}

.post-title {
  color: var(--text-color);
  font-size: 2.2rem;
  font-weight: 700;
  margin: 0 0 var(--spacing-md) 0;
  line-height: 1.3;
}

.post-meta {
  color: var(--text-muted);
  font-size: 1rem;
  font-weight: 500;
}

.post-meta .p-name {
  color: var(--accent-color);
  font-weight: 600;
}

/* Post Content */
.post-content {
  color: var(--text-color);
  line-height: 1.7;
  font-size: 1.1rem;
  margin-bottom: var(--spacing-xl);
}

.post-content h1,
.post-content h2,
.post-content h3,
.post-content h4,
.post-content h5,
.post-content h6 {
  color: var(--accent-color);
  margin-top: var(--spacing-xl);
  margin-bottom: var(--spacing-lg);
  font-weight: 600;
}

.post-content h1 { font-size: 1.8rem; }
.post-content h2 { font-size: 1.6rem; }
.post-content h3 { font-size: 1.4rem; }
.post-content h4 { font-size: 1.2rem; }

.post-content p {
  margin-bottom: var(--spacing-lg);
}

.post-content a {
  color: var(--accent-color);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.3s ease;
}

.post-content a:hover {
  border-bottom-color: var(--accent-color);
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 6px;
  margin: var(--spacing-lg) 0;
}

.post-content blockquote {
  border-left: 4px solid var(--accent-color);
  padding: var(--spacing-md) var(--spacing-lg);
  margin: var(--spacing-lg) 0;
  background: var(--background-subtle);
  border-radius: 0 6px 6px 0;
  font-style: italic;
}

.post-content code {
  background: var(--code-background);
  color: var(--code-color);
  padding: 2px 6px;
  border-radius: 4px;
  font-size: 0.95em;
  font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
}

.post-content pre {
  background: var(--code-background);
  color: var(--code-color);
  padding: var(--spacing-lg);
  border-radius: 6px;
  overflow-x: auto;
  margin: var(--spacing-lg) 0;
  font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
  line-height: 1.5;
}

.post-content pre code {
  background: none;
  padding: 0;
  border-radius: 0;
  font-size: 1em;
}

.post-content ul,
.post-content ol {
  margin-bottom: var(--spacing-lg);
  padding-left: var(--spacing-xl);
}

.post-content li {
  margin-bottom: var(--spacing-sm);
}

/* Post Footer */
.post-footer {
  border-top: 1px solid var(--border-color);
  padding-top: var(--spacing-lg);
  margin-top: var(--spacing-xl);
}

.permalink-info {
  margin-bottom: var(--spacing-lg);
  padding: var(--spacing-md);
  background: var(--background-subtle);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--text-muted);
}

.permalink-link {
  color: var(--accent-color);
  text-decoration: none;
  font-family: 'Fira Code', 'Monaco', 'Consolas', monospace;
  font-weight: 500;
}

.permalink-link:hover {
  text-decoration: underline;
}

/* Responsive adjustments for individual posts */
@media (max-width: 768px) {
  .individual-post {
    margin: var(--spacing-lg) var(--spacing-md);
    padding: var(--spacing-md);
  }
  
  .post-title {
    font-size: 1.8rem;
  }
  
  .post-content {
    font-size: 1rem;
  }
  
  .post-content h1 { font-size: 1.6rem; }
  .post-content h2 { font-size: 1.4rem; }
  .post-content h3 { font-size: 1.3rem; }
  .post-content h4 { font-size: 1.1rem; }
  
  .post-header {
    padding-bottom: var(--spacing-md);
  }
}

/* Hidden content for IndieWeb microformats compliance */
.microformat-hidden {
  display: none !important;
  visibility: hidden !important;
}

/* Back to Top Button - UX Best Practices Implementation */
.back-to-top {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 50px;
  height: 50px;
  background: var(--accent-color);
  border: none;
  border-radius: 50%;
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  color: white;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  transition: all 0.3s ease;
  z-index: 1000;
  opacity: 0;
  transform: translateY(10px);
  
  /* Ensure minimum touch target size for accessibility */
  min-width: 44px;
  min-height: 44px;
}

.back-to-top:hover {
  background: var(--hover-color);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
}

.back-to-top:focus {
  outline: 2px solid var(--accent-color);
  outline-offset: 3px;
}

.back-to-top.visible {
  display: flex;
  opacity: 1;
  transform: translateY(0);
}

.back-to-top .icon {
  width: 20px;
  height: 20px;
  display: inline-block;
}

/* Mobile optimizations for back to top button */
@media (max-width: 768px) {
  .back-to-top {
    bottom: 1rem;
    right: 1rem;
    width: 48px;
    height: 48px;
    font-size: 1.1rem;
  }
}

/* Respect user motion preferences */
@media (prefers-reduced-motion: reduce) {
  .back-to-top {
    transition: opacity 0.3s ease;
  }
  
  .back-to-top:hover {
    transform: none;
  }
}