/* ════════════════════════════════════════════
   blog.css — v2.0 full audit rewrite
   Single post, category archive, post list
════════════════════════════════════════════ */

/* ════ SINGLE POST LAYOUT ════ */
.post-layout {
  max-width: var(--container); margin: 0 auto;
  padding: 48px 24px;
  display: grid; grid-template-columns: 1fr 300px;
  gap: 48px; align-items: start;
}

/* Featured image */
.post-hero-thumb {
  width: 100%; height: 380px;
  border-radius: var(--radius-lg); overflow: hidden;
  margin-bottom: 32px; position: relative;
  background: linear-gradient(135deg, var(--green-deep) 0%, var(--green-mid) 100%);
}
.post-hero-thumb img { width: 100%; height: 100%; object-fit: cover; display: block; }
.post-hero-thumb--placeholder { display: flex; align-items: center; justify-content: center; font-size: 100px; opacity: 0.4; }

/* Post header */
.post-header { margin-bottom: 28px; }
.post-cats { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 14px; }
.post-cat-pill { font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; padding: 5px 14px; border-radius: 20px; background: var(--amber-pale); color: var(--amber-deep); text-decoration: none; transition: var(--transition); }
.post-cat-pill:hover { background: var(--amber); color: var(--ink); }
.post-cat-pill.green { background: var(--green-pale); color: var(--green-mid); }
.post-cat-pill.green:hover { background: var(--green-mid); color: white; }
.post-main-title { font-family: var(--font-display); font-size: clamp(26px,4vw,42px); font-weight: 700; line-height: 1.15; color: var(--ink); margin-bottom: 16px; letter-spacing: -0.5px; }
.post-intro { font-size: 18px; color: var(--ink-light); line-height: 1.7; font-weight: 300; font-style: italic; margin-bottom: 24px; padding-bottom: 24px; border-bottom: 1px solid var(--border); }
.post-byline { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.byline-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--green-mid); display: flex; align-items: center; justify-content: center; font-size: 16px; color: white; font-weight: 700; flex-shrink: 0; }
.byline-name { font-size: 15px; font-weight: 600; color: var(--ink); }
.byline-meta { font-size: 13px; color: var(--ink-faint); }
.byline-stats { margin-left: auto; display: flex; gap: 16px; }
.byline-stat { font-size: 13px; color: var(--ink-faint); display: flex; align-items: center; gap: 4px; }

/* Table of contents */
.toc { background: var(--green-pale); border: 1px solid rgba(45,106,79,0.2); border-radius: var(--radius-md); padding: 20px 22px; margin: 28px 0; }
.toc-title { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--green-mid); margin-bottom: 12px; }
.toc-list { list-style: none; padding: 0; margin: 0; }
.toc-list li { padding: 5px 0; border-bottom: 1px solid rgba(45,106,79,0.1); }
.toc-list li:last-child { border: none; }
.toc-list li a { color: var(--green-deep); display: flex; align-items: center; gap: 10px; font-size: 14px; line-height: 1.4; transition: var(--transition); }
.toc-list li a:hover { color: var(--green-light); padding-left: 4px; }
.toc-num { font-family: var(--font-mono); font-size: 12px; color: var(--ink-faint); min-width: 22px; flex-shrink: 0; }

/* Post content typography */
.post-content { font-size: 16px; line-height: 1.85; color: var(--ink-mid); }
.post-content h2 { font-family: var(--font-display); font-size: clamp(20px,3vw,26px); font-weight: 700; color: var(--ink); margin: 36px 0 14px; padding-top: 14px; border-top: 2px solid var(--green-pale); scroll-margin-top: 88px; }
.post-content h3 { font-family: var(--font-display); font-size: clamp(17px,2.5vw,21px); font-weight: 600; color: var(--ink); margin: 26px 0 10px; scroll-margin-top: 88px; }
.post-content h4 { font-size: 16px; font-weight: 600; color: var(--ink); margin: 20px 0 8px; }
.post-content p { margin-bottom: 18px; }
.post-content p:last-child { margin-bottom: 0; }
.post-content a { color: var(--green-mid); text-decoration: underline; text-underline-offset: 3px; transition: var(--transition); }
.post-content a:hover { color: var(--green-deep); }
.post-content strong { color: var(--ink); font-weight: 600; }
.post-content em { font-style: italic; }
.post-content ul { list-style: none; padding-left: 0; margin-bottom: 18px; }
.post-content ul li { padding-left: 22px; position: relative; margin-bottom: 9px; }
.post-content ul li::before { content: ''; position: absolute; left: 0; top: 10px; width: 7px; height: 7px; background: var(--green-mid); border-radius: 50%; }
.post-content ol { list-style: decimal; padding-left: 22px; margin-bottom: 18px; }
.post-content ol li { margin-bottom: 9px; padding-left: 4px; }
.post-content blockquote { border-left: 4px solid var(--green-mid); background: var(--green-pale); padding: 16px 20px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; }
.post-content blockquote p { font-size: 16px; font-style: italic; color: var(--green-deep); margin: 0; }
.post-content figure { margin: 24px 0; }
.post-content figure img { width: 100%; border-radius: var(--radius-md); box-shadow: var(--shadow-md); height: auto; }
.post-content figcaption { font-size: 13px; color: var(--ink-faint); text-align: center; margin-top: 8px; font-style: italic; }
.post-content table { width: 100%; border-collapse: collapse; margin: 22px 0; font-size: 15px; overflow: hidden; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
.post-content table th { background: var(--green-deep); color: white; padding: 11px 14px; text-align: left; font-weight: 600; font-size: 13px; }
.post-content table td { padding: 10px 14px; border-bottom: 1px solid var(--border); color: var(--ink-mid); }
.post-content table tr:last-child td { border: none; }
.post-content table tr:nth-child(even) td { background: var(--cream); }
.post-content code { font-family: var(--font-mono); font-size: 14px; background: var(--cream); border: 1px solid var(--border); padding: 2px 6px; border-radius: 4px; color: var(--green-deep); }
.post-content pre { background: var(--ink); border-radius: var(--radius-md); padding: 18px 22px; overflow-x: auto; margin: 22px 0; }
.post-content pre code { background: none; border: none; color: var(--green-light); font-size: 14px; padding: 0; }
.post-content hr { border: none; height: 1px; background: var(--border); margin: 36px 0; }
.post-content .alignleft  { float: left;  margin: 8px 20px 8px 0; }
.post-content .alignright { float: right; margin: 8px 0 8px 20px; }
.post-content .aligncenter { margin: 20px auto; display: block; }

/* Post tags */
.post-tags { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); }
.tags-label { font-size: 12px; font-weight: 700; letter-spacing: 1px; text-transform: uppercase; color: var(--ink-faint); display: block; margin-bottom: 12px; }

/* Comments */
.comments-area { margin-top: 48px; padding-top: 32px; border-top: 1px solid var(--border); }
.comments-title { font-family: var(--font-display); font-size: 22px; font-weight: 600; margin-bottom: 24px; }
.comment-list { list-style: none; padding: 0; }
.comment { padding: 18px 0; border-bottom: 1px solid var(--border); }
.comment:last-child { border: none; }
.comment-body { display: flex; gap: 14px; }
.comment-avatar { width: 42px; height: 42px; border-radius: 50%; background: var(--green-pale); flex-shrink: 0; display: flex; align-items: center; justify-content: center; font-weight: 600; color: var(--green-mid); }
.comment-meta { font-size: 13px; color: var(--ink-faint); margin-bottom: 6px; }
.comment-author-name { font-weight: 600; color: var(--ink-mid); margin-right: 8px; }
.comment-content p { font-size: 15px; line-height: 1.7; margin: 0; }
.comment-form label { display: block; font-size: 13px; font-weight: 600; color: var(--ink-mid); margin-bottom: 6px; }
.comment-form input[type="text"], .comment-form input[type="email"], .comment-form input[type="url"] { width: 100%; padding: 10px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 15px; transition: var(--transition); outline: none; background: var(--white); color: var(--ink); margin-bottom: 14px; }
.comment-form textarea { width: 100%; padding: 12px 14px; border: 1.5px solid var(--border); border-radius: var(--radius-sm); font-family: var(--font-body); font-size: 15px; resize: vertical; min-height: 130px; transition: var(--transition); outline: none; background: var(--white); color: var(--ink); margin-bottom: 14px; }
.comment-form input:focus, .comment-form textarea:focus { border-color: var(--green-mid); box-shadow: 0 0 0 3px rgba(45,106,79,0.1); }
.comment-form input[type="submit"], .form-submit .submit { background: var(--green-mid); color: white; padding: 12px 28px; border: none; border-radius: var(--radius-md); font-family: var(--font-body); font-size: 15px; font-weight: 600; cursor: pointer; transition: var(--transition); }
.comment-form input[type="submit"]:hover, .form-submit .submit:hover { background: var(--green-deep); }

/* Sticky sidebar */
.sticky-sidebar { position: sticky; top: 88px; display: flex; flex-direction: column; gap: 20px; }

/* ════ CATEGORY / ARCHIVE PAGE ════ */
.cat-hero { padding: 48px 24px 40px; border-bottom: 1px solid var(--border); background: var(--paper); }
.cat-hero-inner { max-width: var(--container); margin: 0 auto; }
.cat-hero-label { font-size: 11px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--ink-faint); margin-bottom: 10px; }
.cat-hero-title { font-family: var(--font-display); font-size: clamp(26px,5vw,42px); font-weight: 700; color: var(--ink); margin-bottom: 10px; letter-spacing: -0.4px; }
.cat-hero-desc { font-size: 16px; color: var(--ink-light); max-width: 560px; line-height: 1.7; }
.cat-hero-meta { display: flex; gap: 20px; margin-top: 18px; flex-wrap: wrap; }
.cat-hero-meta-item { font-size: 13px; color: var(--ink-faint); display: flex; align-items: center; gap: 5px; }
.cat-page-layout { max-width: var(--container); margin: 0 auto; padding: 36px 24px; display: grid; grid-template-columns: 1fr 268px; gap: 44px; align-items: start; }
.sort-bar { display: flex; align-items: center; justify-content: space-between; margin-bottom: 20px; padding-bottom: 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; gap: 10px; }
.sort-label { font-size: 14px; color: var(--ink-light); }
.sort-label strong { color: var(--ink); }
.sort-select { font-family: var(--font-body); font-size: 14px; padding: 6px 10px; border: 1px solid var(--border); border-radius: var(--radius-sm); background: var(--paper); color: var(--ink); cursor: pointer; outline: none; }

/* ════ POST LIST ITEMS ════ */
/* Exact match to prototype design */
.post-list-item {
  display: grid;
  grid-template-columns: 200px 1fr;
  background: var(--paper);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  margin-bottom: 16px;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  color: inherit;
}
.post-list-item:hover { box-shadow: var(--shadow-md); border-color: var(--green-light); transform: translateX(3px); }

.list-thumb {
  position: relative;
  background: var(--green-pale);
  overflow: hidden;
  /* height auto-fills via grid align-items:stretch default */
  min-height: 150px;
}
.list-thumb img {
  position: absolute;
  inset: 0;
  width: 100% !important;
  height: 100% !important;
  object-fit: cover;
  transition: transform 0.4s ease;
  display: block;
}
.post-list-item:hover .list-thumb img { transform: scale(1.05); }
.list-thumb-placeholder {
  position: absolute; inset: 0;
  display: flex; align-items: center; justify-content: center;
  font-size: 48px; opacity: 0.4;
}

.list-body {
  padding: 18px 20px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.list-cat { font-size: 11px; font-weight: 700; letter-spacing: 0.8px; text-transform: uppercase; color: var(--green-mid); margin-bottom: 7px; }
.list-title { font-family: var(--font-display); font-size: 18px; font-weight: 600; color: var(--ink); line-height: 1.3; margin-bottom: 8px; transition: color 0.2s; }
.post-list-item:hover .list-title { color: var(--green-mid); }
.list-excerpt { font-size: 13px; color: var(--ink-light); line-height: 1.6; margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.list-meta { font-size: 12px; color: var(--ink-faint); display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: auto; }
.list-meta-dot { width: 3px; height: 3px; background: var(--ink-faint); border-radius: 50%; flex-shrink: 0; display: inline-block; }

/* Cat sidebar */
.cat-sidebar { display: flex; flex-direction: column; gap: 20px; position: sticky; top: 88px; }

/* ════════════════════════════════════
   RESPONSIVE
════════════════════════════════════ */
@media (max-width: 1024px) {
  .post-layout { grid-template-columns: 1fr; gap: 0; }
  .sticky-sidebar { position: static; }
  .cat-page-layout { grid-template-columns: 1fr; }
  .cat-sidebar { position: static; flex-direction: row; flex-wrap: wrap; }
  .cat-sidebar .sidebar-card,
  .cat-sidebar .newsletter-widget { flex: 1; min-width: 260px; }
}
@media (max-width: 768px) {
  .post-layout { padding: 24px 16px; }
  .post-hero-thumb { height: 220px; border-radius: var(--radius-md); }
  .post-main-title { font-size: 26px; }
  .post-intro { font-size: 16px; }
  .byline-stats { display: none; }
  .cat-page-layout { padding: 24px 16px; gap: 32px; }
  /* Stack list items on mobile */
  .post-list-item { grid-template-columns: 1fr; }
  .list-thumb { min-height: 190px; }
  .list-thumb img { position: absolute; inset: 0; width: 100% !important; height: 100% !important; }
  .list-body { padding: 16px; }
}
@media (max-width: 480px) {
  .cat-hero { padding: 32px 16px 28px; }
  .cat-sidebar { flex-direction: column; }
  .cat-sidebar .sidebar-card,
  .cat-sidebar .newsletter-widget { min-width: unset; }
  .post-list-item { margin-bottom: 12px; }
  .list-title { font-size: 16px; }
  .toc { padding: 16px; }
}