/* ========================================
   Blog Listing & Single Post Styles
   Oregon Exterior Experts Blog System
   ======================================== */

/* ========================================
   Blog Listing Page
   ======================================== */

.blog-listing {
  min-height: 100vh;
  background-color: var(--color-background, #f9fafb);
}

/* Hero Section */
.blog-hero {
  background: linear-gradient(135deg, #1e3a8a 0%, #3b82f6 100%);
  color: white;
  padding: 4rem 1rem 3rem;
  text-align: center;
}

.blog-hero h1 {
  font-size: clamp(2rem, 5vw, 3.5rem);
  font-weight: 700;
  margin-bottom: 1rem;
  line-height: 1.2;
}

.blog-hero .subtitle {
  font-size: clamp(1rem, 2.5vw, 1.25rem);
  opacity: 0.9;
  max-width: 600px;
  margin: 0 auto;
}

/* Featured Posts Section */
.featured-posts {
  padding: 3rem 1rem;
  background-color: white;
}

.featured-posts .section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  margin-bottom: 2rem;
  text-align: center;
  color: var(--color-primary, #1e3a8a);
}

.featured-posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto;
}

/* Regular Posts Section */
.regular-posts {
  padding: 3rem 1rem;
}

.posts-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 2rem;
  flex-wrap: wrap;
  gap: 1rem;
}

.posts-header .section-title {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 700;
  color: var(--color-primary, #1e3a8a);
  margin: 0;
}

.posts-count {
  color: var(--color-text-secondary, #6b7280);
  font-size: 0.95rem;
}

.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
  max-width: 1400px;
  margin: 0 auto 2rem;
}

/* Post Card */
.post-card {
  background: white;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  display: flex;
  flex-direction: column;
}

.post-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
}

.post-card-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
}

.post-card-content {
  padding: 1.5rem;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.post-card-title {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 0.75rem;
  line-height: 1.3;
  color: var(--color-primary, #1e3a8a);
}

.post-card-title a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.post-card-title a:hover {
  color: var(--color-accent, #3b82f6);
}

.post-card-excerpt {
  color: var(--color-text-secondary, #6b7280);
  line-height: 1.6;
  margin-bottom: 1rem;
  flex: 1;
}

.post-card-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.875rem;
  color: var(--color-text-secondary, #6b7280);
  margin-bottom: 1rem;
}

.post-card-meta .author {
  font-weight: 600;
  color: var(--color-primary, #1e3a8a);
}

.post-card-meta .separator {
  color: #d1d5db;
}

.post-card-badges {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.025em;
}

.badge-featured {
  background-color: #fef3c7;
  color: #92400e;
}

.badge-reading-time {
  background-color: #e0e7ff;
  color: #3730a3;
}

.post-card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent, #3b82f6);
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.post-card-link:hover {
  gap: 0.75rem;
}

/* Loading State */
.loading-state {
  text-align: center;
  padding: 4rem 1rem;
}

.spinner {
  width: 48px;
  height: 48px;
  border: 4px solid #e5e7eb;
  border-top-color: var(--color-accent, #3b82f6);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 1rem;
}

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

.loading-state p {
  color: var(--color-text-secondary, #6b7280);
}

/* Load More Button */
.load-more-wrapper {
  text-align: center;
  padding: 2rem 0;
}

.btn-load-more {
  background-color: var(--color-accent, #3b82f6);
  color: white;
  padding: 0.875rem 2rem;
  border: none;
  border-radius: 8px;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
  transition: background-color 0.3s ease, transform 0.2s ease;
}

.btn-load-more:hover {
  background-color: #2563eb;
  transform: translateY(-2px);
}

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

.btn-load-more:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
  transform: none;
}

/* No Posts Message */
.no-posts {
  text-align: center;
  padding: 4rem 1rem;
  color: var(--color-text-secondary, #6b7280);
}

/* ========================================
   Single Post Page
   ======================================== */

.single-post-page {
  min-height: 100vh;
  background-color: var(--color-background, #f9fafb);
}

/* Breadcrumb */
.breadcrumb {
  padding: 2rem 0 1rem;
  font-size: 0.875rem;
  color: var(--color-text-secondary, #6b7280);
}

.breadcrumb a {
  color: var(--color-text-secondary, #6b7280);
  text-decoration: none;
  transition: color 0.2s ease;
}

.breadcrumb a:hover {
  color: var(--color-text, #1f2937);
}

.breadcrumb .separator {
  display: inline;
  margin: 0 0.5rem;
  gap: unset;
}

/* Featured Image */
.post-featured-image {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto 2rem;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.post-featured-image img {
  width: 100%;
  height: auto;
  display: block;
}

/* Single Post Article */
.single-post {
  padding: 2rem 1rem 4rem;
}

.single-post .container {
  max-width: 800px;
  margin: 0 auto;
}

/* Post Header */
.post-header {
  margin-bottom: 2rem;
}

.post-title {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-primary, #1e3a8a);
  margin-bottom: 1rem;
}

.post-meta {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  font-size: 0.95rem;
  color: var(--color-text-secondary, #6b7280);
}

.post-meta .author {
  font-weight: 600;
  color: var(--color-primary, #1e3a8a);
}

.post-meta .separator {
  color: #d1d5db;
}

/* Post Content */
.post-content {
  background: white;
  padding: 2.5rem;
  border-radius: 12px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
  line-height: 1.75;
  color: var(--color-text, #1f2937);
  font-size: 1.0625rem;
}

.post-content h2 {
  font-size: 1.875rem;
  font-weight: 700;
  margin: 2rem 0 1rem;
  color: var(--color-primary, #1e3a8a);
}

.post-content h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin: 1.5rem 0 0.75rem;
  color: var(--color-primary, #1e3a8a);
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
  margin-bottom: 1.25rem;
  padding-left: 1.5rem;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 4px solid var(--color-accent, #3b82f6);
  padding-left: 1.5rem;
  margin: 1.5rem 0;
  font-style: italic;
  color: var(--color-text-secondary, #6b7280);
}

.post-content a {
  color: var(--color-accent, #3b82f6);
  text-decoration: underline;
  transition: color 0.2s ease;
}

.post-content a:hover {
  color: #2563eb;
}

.post-content img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 1.5rem 0;
}

/* Canonical Notice */
.canonical-notice {
  background-color: #fef3c7;
  border-left: 4px solid #f59e0b;
  padding: 1rem;
  margin: 2rem 0;
  border-radius: 4px;
}

.canonical-notice p {
  margin: 0;
  color: #92400e;
  font-size: 0.9rem;
}

.canonical-notice a {
  color: #b45309;
  font-weight: 600;
  text-decoration: underline;
}

/* Post Footer */
.post-footer {
  margin-top: 2rem;
  padding-top: 2rem;
  border-top: 1px solid #e5e7eb;
}

.btn-back-to-blog {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-accent, #3b82f6);
  font-weight: 600;
  text-decoration: none;
  transition: gap 0.2s ease;
}

.btn-back-to-blog:hover {
  gap: 0.75rem;
}

/* ========================================
   Comments Section — Disqus-inspired Threaded
   ======================================== */

.comments-section {
  padding: 3rem 1rem;
  background-color: white;
}

.comments-section .container {
  max-width: 800px;
  margin: 0 auto;
}

/* ---------- Header with count + sort ---------- */
.comments-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 2px solid #e5e7eb;
}

.comments-title {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-text, #1f2937);
  margin: 0;
}

.comments-sort {
  display: flex;
  gap: 0.25rem;
}

.sort-btn {
  background: none;
  border: none;
  padding: 0.375rem 0.75rem;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-text-secondary, #6b7280);
  cursor: pointer;
  border-radius: 999px;
  transition: background-color 0.2s ease, color 0.2s ease;
}

.sort-btn:hover {
  color: var(--color-text, #1f2937);
}

.sort-btn.active {
  background-color: var(--color-accent, #3b82f6);
  color: white;
}

/* ---------- Top-level comment form ---------- */
.comment-form-wrapper {
  margin-bottom: 2rem;
}

.comment-form-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.comment-form-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background-color: #9ca3af;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.875rem;
  flex-shrink: 0;
  margin-top: 2px;
}

.comment-form-fields {
  flex: 1;
  min-width: 0;
}

.comment-form-fields input,
.comment-form-fields textarea {
  width: 100%;
  padding: 0.625rem 0.75rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.9375rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.comment-form-fields input {
  margin-bottom: 0.5rem;
}

.comment-form-fields input:focus,
.comment-form-fields textarea:focus {
  outline: none;
  border-color: var(--color-accent, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.comment-form-fields textarea {
  resize: vertical;
  min-height: 80px;
}

.comment-form-actions {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 0.5rem;
}

.comment-notice {
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #6b7280);
  margin: 0;
}

.btn-submit-comment {
  background-color: var(--color-accent, #3b82f6);
  color: white;
  padding: 0.5rem 1.25rem;
  border: none;
  border-radius: 4px;
  font-size: 0.875rem;
  font-weight: 700;
  cursor: pointer;
  transition: background-color 0.2s ease;
  white-space: nowrap;
}

.btn-submit-comment:hover {
  background-color: #2563eb;
}

.btn-submit-comment:disabled {
  background-color: #9ca3af;
  cursor: not-allowed;
}

/* Comment Success — base */
.comment-success {
  padding: 0.875rem 1rem;
  margin-top: 0.75rem;
  border-radius: 4px;
  border-left: 4px solid #10b981;
  background-color: #d1fae5;
}

.comment-success p {
  margin: 0;
  font-weight: 600;
  font-size: 0.9375rem;
  color: #065f46;
}

/* Auto-approved variant (green) */
.comment-success--approved {
  background-color: #d1fae5;
  border-left-color: #10b981;
}
.comment-success--approved p {
  color: #065f46;
}

/* Pending-review / flagged variant (amber) */
.comment-success--pending {
  background-color: #fef3c7;
  border-left-color: #f59e0b;
}
.comment-success--pending p {
  color: #92400e;
}

/* ---------- Comments list (threaded) ---------- */
.comments-list {
  margin-bottom: 2rem;
}

/* Single comment node */
.comment-node {
  position: relative;
}

.comment-node + .comment-node {
  margin-top: 1.25rem;
}

.comment-body {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

/* Avatar */
.comment-avatar {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 700;
  font-size: 0.9375rem;
  flex-shrink: 0;
  user-select: none;
}

/* Comment main area */
.comment-main {
  flex: 1;
  min-width: 0;
}

/* Header row */
.comment-header {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  flex-wrap: wrap;
  margin-bottom: 0.125rem;
}

.comment-author {
  font-weight: 700;
  font-size: 0.875rem;
  color: var(--color-accent, #3b82f6);
}

.comment-time {
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #6b7280);
}

.comment-time::before {
  content: "•";
  margin-right: 0.20rem;
  color: var(--color-text-secondary, #6b7280);
}

.comment-reply-to {
  font-size: 0.8125rem;
  color: var(--color-text-secondary, #6b7280);
}

.comment-reply-to a {
  color: var(--color-text-secondary, #4d5156);
  text-decoration: none;
}

/* Content */
.comment-content {
  color: var(--color-text, #1f2937);
  font-size: 0.9375rem;
  line-height: 1.6;
  margin-bottom: 0.375rem;
  word-wrap: break-word;
}

/* Footer: like + reply */
.comment-footer {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.comment-like-btn,
.comment-reply-btn {
  background: none;
  border: none;
  padding: 0;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  transition: color 0.15s ease;
}

.comment-like-btn {
  color: var(--color-text-secondary, #6b7280);
}

.comment-like-btn:hover {
  color: #0066cc;
}

.comment-like-btn.liked {
  color: #0066cc;
}

.comment-like-btn .like-icon {
  display: inline-block;
  width: 17px;
  height: 17px;
  margin-right: 5px;
  -webkit-mask-image: url(https://c.disquscdn.com/next/embed/assets/img/like.855606fb4e3a7a6448e6c782f3f54e5a.svg);
  mask-image: url(https://c.disquscdn.com/next/embed/assets/img/like.855606fb4e3a7a6448e6c782f3f54e5a.svg);
  -webkit-mask-repeat: no-repeat;
  mask-repeat: no-repeat;
  -webkit-mask-size: contain;
  mask-size: contain;
  background-color: currentColor;
}

.comment-like-btn .like-count {
  min-width: 0.5rem;
}

.comment-reply-btn {
  color: var(--color-text-secondary, #6b7280);
}

.comment-reply-btn:hover {
  color: var(--color-text, #1f2937);
}

/* Collapse toggle */
.comment-collapse-btn {
  background: none;
  border: none;
  width: 50px;
  height: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.75rem;
  font-weight: 900;
  color: var(--color-text-secondary, #6b7280);
  cursor: pointer;
  position: absolute;
  top: 0;
  right: 0;
  transition: border-color 0.15s ease, color 0.15s ease;
  line-height: 1;
}

.comment-collapse-btn:hover {
  color: var(--color-accent, #3b82f6);
}

/* Collapsed state */
.comment-node.collapsed > .comment-body .comment-main .comment-content,
.comment-node.collapsed > .comment-body .comment-main .comment-footer,
.comment-node.collapsed > .children {
  display: none;
}

.comment-node.collapsed > .comment-body .comment-avatar {
  width: 30px;
  height: 30px;
  border-radius: 12px;
  position: relative;
}

.comment-node.collapsed > .comment-body .comment-avatar::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(255, 255, 255, 0.5);
  border-radius: 12px;
}

.comment-node.collapsed > .comment-collapse-btn::after {
  content: '+';
  font-size: 1.0rem;
}

.comment-node:not(.collapsed) > .comment-collapse-btn::after {
  content: '_';
  font-size: 1.2rem;
  transform: scaleY(2);
  display: inline-block;
}

/* Nested children */
.children {
  margin-top: 1.25rem;
  padding-left: 44px;
}

.children .comment-node + .comment-node {
  margin-top: 1.25rem;
}

/* ---------- Inline reply form ---------- */
.inline-reply-form {
  margin-top: 0.75rem;
  padding-left: 44px;
}

.inline-reply-form .comment-form-row {
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}

.inline-reply-form .comment-form-fields input,
.inline-reply-form .comment-form-fields textarea {
  width: 100%;
  padding: 0.5rem 0.625rem;
  border: 1px solid #d1d5db;
  border-radius: 6px;
  font-size: 0.875rem;
  font-family: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
  box-sizing: border-box;
}

.inline-reply-form .comment-form-fields input {
  margin-bottom: 0.375rem;
}

.inline-reply-form .comment-form-fields input:focus,
.inline-reply-form .comment-form-fields textarea:focus {
  outline: none;
  border-color: var(--color-accent, #3b82f6);
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

.inline-reply-form .comment-form-fields textarea {
  resize: vertical;
  min-height: 60px;
}

.inline-reply-form .comment-form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 0.5rem;
  margin-top: 0.375rem;
}

.btn-cancel-reply {
  background: none;
  border: 1px solid #d1d5db;
  padding: 0.375rem 0.875rem;
  border-radius: 4px;
  font-size: 0.8125rem;
  font-weight: 600;
  cursor: pointer;
  color: var(--color-text-secondary, #6b7280);
  transition: border-color 0.2s ease;
}

.btn-cancel-reply:hover {
  border-color: #9ca3af;
}

.inline-reply-form .btn-submit-comment {
  padding: 0.375rem 0.875rem;
  font-size: 0.8125rem;
}

/* No Comments */
.no-comments {
  text-align: center;
  padding: 2rem;
  color: var(--color-text-secondary, #6b7280);
  background: #f9fafb;
  border-radius: 8px;
  margin-bottom: 2rem;
}

/* Error State */
.error-state {
  text-align: center;
  padding: 4rem 1rem;
}

.error-state h1 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1rem;
  color: var(--color-primary, #1e3a8a);
}

.error-state p {
  color: var(--color-text-secondary, #6b7280);
  margin-bottom: 2rem;
}

/* ========================================
   Responsive Design
   ======================================== */

@media (max-width: 768px) {
  .blog-hero {
    padding: 3rem 1rem 2rem;
  }

  .featured-posts,
  .regular-posts,
  .comments-section {
    padding: 2rem 1rem;
  }

  .posts-grid,
  .featured-posts-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }

  .post-content {
    padding: 1.5rem;
  }

  .post-title {
    font-size: 1.75rem;
  }

  /* Comments responsive */
  .comments-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.75rem;
  }

  .children {
    padding-left: 24px;
  }

  .inline-reply-form {
    padding-left: 24px;
  }

  .comment-avatar {
    width: 30px;
    height: 30px;
    font-size: 0.8125rem;
  }

  .comment-form-avatar {
    width: 30px;
    height: 30px;
    font-size: 0.8125rem;
  }

  .comment-form-actions {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.5rem;
  }

  .comment-form-actions .btn-submit-comment {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .post-card-content {
    padding: 1rem;
  }

  .post-card-title {
    font-size: 1.25rem;
  }

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