/**
 * Blog Page Styles
 * Terminal-themed blog aggregator with modern UX
 */

:root {
  --blog-bg: #0d0d0d;
  --blog-text: #ffffff;
  --blog-text-dim: #888888;
  --blog-accent: #00ff41;
  --blog-accent-dim: #00cc33;
  --blog-border: rgba(0, 255, 65, 0.2);
  --blog-card-bg: rgba(10, 10, 10, 0.8);
  --blog-hover-glow: rgba(0, 255, 65, 0.3);
  --blog-font: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  --blog-font-mono: 'JetBrains Mono', 'Monaco', 'Menlo', monospace;
}

body.blog-page {
  background-color: var(--blog-bg);
  color: var(--blog-text);
  font-family: var(--blog-font);
  min-height: 100vh;
  padding: 0;
  margin: 0;
  overflow: auto !important;
  height: auto !important;
}

/* Override base styles for blog page - allow scrolling */
html:has(body.blog-page) {
  overflow: auto !important;
  height: auto !important;
}

/* Fallback for browsers without :has() support */
html.blog-page-active {
  overflow: auto !important;
  height: auto !important;
}

/* Ensure main content can scroll */
body.blog-page main {
  overflow: visible;
  height: auto;
  min-height: 100vh;
  position: relative;
}

.blog-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  min-height: 100vh;
}

/* Blog Header */
.blog-header {
  text-align: center;
  margin-bottom: 50px;
  padding-bottom: 30px;
  border-bottom: 2px solid var(--blog-border);
}

.blog-title {
  font-family: var(--blog-font-mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--blog-accent);
  margin-bottom: 15px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  flex-wrap: wrap;
}

.terminal-prompt {
  color: var(--blog-accent);
  font-weight: 700;
}

.terminal-command {
  color: var(--blog-text);
}

.blog-subtitle {
  font-size: 1.1rem;
  color: var(--blog-text-dim);
  font-family: var(--blog-font);
}

/* Blog Controls */
.blog-controls {
  display: flex;
  flex-direction: column;
  gap: 20px;
  margin-bottom: 40px;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
}

.filter-btn {
  padding: 10px 20px;
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-border);
  color: var(--blog-text-dim);
  font-family: var(--blog-font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  border-radius: 4px;
}

.filter-btn:hover {
  color: var(--blog-text);
  border-color: var(--blog-accent);
  background: rgba(0, 255, 65, 0.1);
  transform: translateY(-2px);
}

.filter-btn.active {
  background: var(--blog-accent);
  color: var(--blog-bg);
  border-color: var(--blog-accent);
  font-weight: 700;
}

.blog-search {
  position: relative;
  max-width: 500px;
  margin: 0 auto;
  width: 100%;
}

.search-input {
  width: 100%;
  padding: 12px 40px 12px 15px;
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-border);
  color: var(--blog-text);
  font-family: var(--blog-font-mono);
  font-size: 0.9rem;
  border-radius: 4px;
  transition: all 0.3s ease;
}

.search-input:focus {
  outline: none;
  border-color: var(--blog-accent);
  box-shadow: 0 0 10px var(--blog-hover-glow);
}

.search-input::placeholder {
  color: var(--blog-text-dim);
}

.search-icon {
  position: absolute;
  right: 15px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--blog-text-dim);
  pointer-events: none;
}

/* Sticky Header */
.blog-sticky-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: rgba(13, 13, 13, 0.95);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--blog-border);
  padding: 12px 20px;
  z-index: 1000;
  transform: translateY(-100%);
  transition: transform 0.3s ease;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
}

.blog-sticky-header.visible {
  transform: translateY(0);
}

.sticky-header-content {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 20px;
  justify-content: space-between;
}

.sticky-search {
  flex: 1;
  max-width: 400px;
  position: relative;
}

.sticky-search .search-input {
  width: 100%;
  padding: 10px 35px 10px 12px;
  font-size: 0.85rem;
}

.sticky-search .search-icon {
  right: 12px;
  font-size: 0.9rem;
}

.sticky-source-dropdown {
  flex-shrink: 0;
}

.source-dropdown {
  padding: 10px 35px 10px 12px;
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-border);
  color: var(--blog-text);
  font-family: var(--blog-font-mono);
  font-size: 0.85rem;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.3s ease;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%2300ff41' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 12px center;
  background-size: 12px;
  padding-right: 35px;
  min-width: 150px;
}

.source-dropdown:hover {
  border-color: var(--blog-accent);
  background-color: rgba(0, 255, 65, 0.1);
}

.source-dropdown:focus {
  outline: none;
  border-color: var(--blog-accent);
  box-shadow: 0 0 10px var(--blog-hover-glow);
}

/* Add padding to body when sticky header is visible */
body.blog-page.sticky-active {
  padding-top: 60px;
}

/* Blog Posts Grid */
.blog-posts {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
  gap: 30px;
  margin-bottom: 40px;
}

/* Blog Post Card */
.blog-post-card {
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-border);
  border-radius: 8px;
  padding: 25px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.blog-post-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 100%;
  background: var(--blog-accent);
  transform: scaleY(0);
  transition: transform 0.3s ease;
}

.blog-post-card:hover::before {
  transform: scaleY(1);
}

.blog-post-card:hover {
  border-color: var(--blog-accent);
  box-shadow: 0 4px 20px var(--blog-hover-glow);
}

.post-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 15px;
  flex-wrap: wrap;
  gap: 10px;
}

.post-source {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--blog-font-mono);
  font-size: 0.8rem;
}

.source-icon {
  font-size: 1.2rem;
}

.source-name {
  color: var(--blog-text-dim);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  font-weight: 600;
}

.post-date {
  font-family: var(--blog-font-mono);
  font-size: 0.75rem;
  color: var(--blog-text-dim);
}

.post-title {
  margin: 0 0 15px 0;
  font-size: 1.4rem;
  font-weight: 700;
  line-height: 1.3;
}

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

.post-title a:hover {
  color: var(--blog-accent);
}

.post-excerpt {
  color: var(--blog-text-dim);
  line-height: 1.6;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.post-footer {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
  padding-top: 15px;
  border-top: 1px solid var(--blog-border);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.post-tag,
.post-category {
  padding: 4px 10px;
  background: rgba(0, 255, 65, 0.1);
  border: 1px solid var(--blog-border);
  color: var(--blog-accent);
  font-family: var(--blog-font-mono);
  font-size: 0.7rem;
  border-radius: 3px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.post-category {
  background: rgba(0, 255, 65, 0.15);
  border-color: var(--blog-accent);
}

.read-more-btn {
  color: var(--blog-accent);
  text-decoration: none;
  font-family: var(--blog-font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  transition: all 0.3s ease;
  display: inline-flex;
  align-items: center;
  gap: 5px;
}

.read-more-btn:hover {
  color: var(--blog-text);
  gap: 10px;
}

/* Loading State */
.loading-state {
  text-align: center;
  padding: 60px 20px;
}

.terminal-loader {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--blog-font-mono);
  color: var(--blog-accent);
}

.loader-text {
  font-size: 1rem;
}

.loader-dots {
  display: inline-block;
  animation: dots 1.5s steps(4, end) infinite;
}

@keyframes dots {
  0%, 20% { content: '.'; }
  40% { content: '..'; }
  60%, 100% { content: '...'; }
}

/* Empty State */
.blog-empty {
  text-align: center;
  padding: 60px 20px;
  color: var(--blog-text-dim);
}

.empty-message {
  font-size: 1.1rem;
  margin-bottom: 20px;
  font-family: var(--blog-font-mono);
}

.reset-filters-btn {
  padding: 10px 20px;
  background: var(--blog-card-bg);
  border: 1px solid var(--blog-border);
  color: var(--blog-accent);
  font-family: var(--blog-font-mono);
  font-size: 0.85rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.reset-filters-btn:hover {
  background: var(--blog-accent);
  color: var(--blog-bg);
  border-color: var(--blog-accent);
}

/* Responsive Design */
@media (max-width: 768px) {
  .blog-container {
    padding: 20px 15px;
  }

  .blog-title {
    font-size: 1.8rem;
    flex-direction: column;
    gap: 5px;
  }

  .blog-posts {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .blog-filters {
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 10px;
    -webkit-overflow-scrolling: touch;
  }

  .filter-btn {
    flex-shrink: 0;
    font-size: 0.75rem;
    padding: 8px 16px;
  }

  .post-header {
    flex-direction: column;
    align-items: flex-start;
  }

  .post-footer {
    flex-direction: column;
    align-items: flex-start;
  }

  /* Sticky header responsive */
  .sticky-header-content {
    flex-direction: column;
    gap: 12px;
  }

  .sticky-search {
    max-width: 100%;
    width: 100%;
  }

  .sticky-source-dropdown {
    width: 100%;
  }

  .source-dropdown {
    width: 100%;
    min-width: auto;
  }

  .blog-sticky-header {
    padding: 10px 15px;
  }

  body.blog-page.sticky-active {
    padding-top: 80px;
  }
}

@media (max-width: 480px) {
  .blog-title {
    font-size: 1.5rem;
  }

  .blog-subtitle {
    font-size: 0.95rem;
  }

  .post-title {
    font-size: 1.2rem;
  }
}

/* Accessibility */
.blog-post-card:focus-within {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

.filter-btn:focus,
.search-input:focus,
.reset-filters-btn:focus {
  outline: 2px solid var(--blog-accent);
  outline-offset: 2px;
}

/* Print Styles */
@media print {
  .blog-controls {
    display: none;
  }

  .blog-post-card {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}