:root {
  --color-bg: #f7f7f5;
  --color-surface: #ffffff;
  --color-text: #1a1a1a;
  --color-muted: #6b6b6b;
  --color-border: #e6e5e1;
  --color-accent: #c8102e;
  --color-accent-dark: #9c0c22;
  --max-width: 1140px;
  --radius: 10px;
  --font-body: 'Sarabun', 'Noto Sans Thai', system-ui, sans-serif;
  --font-heading: 'Kanit', 'Noto Sans Thai', system-ui, sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  line-height: 1.7;
}

a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }

.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 16px;
}

/* Header */
.site-header {
  background: var(--color-surface);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 0;
  gap: 16px;
}

.brand {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1.6rem;
  color: var(--color-accent);
  letter-spacing: 0.5px;
}

.brand span { color: var(--color-text); }

.brand-logo { display: block; height: 56px; width: auto; }

.tagline {
  font-size: 0.8rem;
  color: var(--color-muted);
  display: block;
  margin-top: 2px;
}

.search-form {
  display: flex;
  align-items: center;
  border: 1px solid var(--color-border);
  border-radius: 999px;
  padding: 4px 4px 4px 14px;
  background: var(--color-bg);
  flex: 0 1 280px;
}

.search-form input {
  border: none;
  background: transparent;
  outline: none;
  font-family: var(--font-body);
  font-size: 0.9rem;
  flex: 1;
  padding: 6px 0;
}

.search-form button {
  border: none;
  background: var(--color-accent);
  color: #fff;
  border-radius: 999px;
  padding: 7px 16px;
  font-size: 0.85rem;
  cursor: pointer;
  font-family: var(--font-body);
}

.main-nav {
  border-top: 1px solid var(--color-border);
  overflow-x: auto;
}

.main-nav ul {
  list-style: none;
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  white-space: nowrap;
}

.main-nav a {
  display: block;
  padding: 12px 14px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--color-text);
  border-bottom: 3px solid transparent;
}

.main-nav a:hover,
.main-nav a.active {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* Featured */
.featured {
  display: block;
  background: var(--color-surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--color-border);
  margin: 24px 0;
}

.featured-media {
  aspect-ratio: 16/7;
  background: #ddd;
  overflow: hidden;
}

.featured-media img { width: 100%; height: 100%; object-fit: cover; }

.featured-body { padding: 20px 24px 26px; }

.tag {
  display: inline-block;
  background: var(--color-accent);
  color: #fff;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 999px;
  margin-bottom: 10px;
}

.tag.outline {
  background: transparent;
  color: var(--color-accent);
  border: 1px solid var(--color-accent);
}

.featured-body h1,
.featured-body h2 {
  font-family: var(--font-heading);
  font-size: 1.7rem;
  margin: 6px 0 10px;
  line-height: 1.35;
}

.featured-body p { color: var(--color-muted); margin: 0 0 8px; }

.meta {
  font-size: 0.82rem;
  color: var(--color-muted);
}

/* Grid of article cards */
.section-title {
  font-family: var(--font-heading);
  font-size: 1.2rem;
  border-right: none;
  border-left: 4px solid var(--color-accent);
  padding-right: 10px;
  margin: 30px 0 14px;
}

.article-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
}

@media (max-width: 860px) {
  .article-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 560px) {
  .article-grid { grid-template-columns: 1fr; }
  .brand-logo { height: 40px; }
}

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

.card-media {
  aspect-ratio: 16/10;
  background: #ddd;
  overflow: hidden;
}

.card-media img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; }

.card-body h3 {
  font-family: var(--font-heading);
  font-size: 1.05rem;
  margin: 4px 0 8px;
  line-height: 1.4;
}

.card-body p {
  color: var(--color-muted);
  font-size: 0.9rem;
  margin: 0 0 10px;
  flex: 1;
}

/* Pagination */
.pagination {
  display: flex;
  justify-content: center;
  gap: 8px;
  margin: 30px 0 50px;
}

.pagination a, .pagination span {
  display: inline-block;
  padding: 8px 14px;
  border-radius: 6px;
  border: 1px solid var(--color-border);
  font-size: 0.9rem;
  background: var(--color-surface);
}

.pagination a:hover { border-color: var(--color-accent); color: var(--color-accent); }
.pagination .current { background: var(--color-accent); color: #fff; border-color: var(--color-accent); }

/* Article detail */
.article-page { max-width: 780px; margin: 0 auto; padding: 30px 16px 60px; }
.article-page h1 {
  font-family: var(--font-heading);
  font-size: 2rem;
  line-height: 1.4;
  margin: 12px 0 10px;
}
.article-cover { border-radius: var(--radius); overflow: hidden; margin: 18px 0; }
.article-body { font-size: 1.05rem; }
.article-body p { margin: 0 0 18px; }
.article-body img { border-radius: 8px; margin: 10px 0; }
.article-body h2, .article-body h3 { font-family: var(--font-heading); margin: 26px 0 12px; }
.article-body ul, .article-body ol { margin: 0 0 18px; padding-right: 22px; }
.article-body blockquote {
  border-right: 4px solid var(--color-accent);
  margin: 20px 0;
  padding: 4px 16px;
  color: var(--color-muted);
  background: #fafafa;
}

.article-body .ql-video {
  width: 100%;
  aspect-ratio: 16 / 9;
  height: auto;
  border: 0;
  border-radius: 8px;
  margin: 10px 0;
}

.share-buttons {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin: 30px 0 10px;
  padding-top: 20px;
  border-top: 1px solid var(--color-border);
}

.share-label { color: var(--color-muted); font-size: 0.9rem; margin-left: 4px; }

.share-btn {
  display: inline-block;
  padding: 8px 16px;
  border-radius: 999px;
  font-size: 0.85rem;
  font-weight: 600;
  color: #fff;
  border: none;
  cursor: pointer;
  font-family: inherit;
}

.share-facebook { background: #1877f2; }
.share-line { background: #06c755; }
.share-x { background: #000; }
.share-copy { background: var(--color-surface); color: var(--color-text); border: 1px solid var(--color-border); }

.back-link { display: inline-block; margin-bottom: 14px; color: var(--color-accent); font-weight: 600; font-size: 0.9rem; }

/* Footer */
.site-footer {
  border-top: 1px solid var(--color-border);
  margin-top: 40px;
  padding: 26px 0;
  color: var(--color-muted);
  font-size: 0.85rem;
  text-align: center;
}

.empty-state {
  text-align: center;
  padding: 60px 16px;
  color: var(--color-muted);
}

/* Admin */
.admin-body { background: #f2f3f5; min-height: 100vh; }
.admin-header {
  background: #1a1a1a;
  color: #fff;
  padding: 14px 0;
}
.admin-header .container { display: flex; justify-content: space-between; align-items: center; }
.admin-header a { color: #fff; }
.admin-header .brand { color: #fff; font-size: 1.2rem; }
.admin-header nav a { margin-left: 16px; font-size: 0.9rem; color: #ddd; }
.admin-header nav a:hover { color: #fff; }

.admin-wrap { max-width: 960px; margin: 0 auto; padding: 30px 16px 60px; }

.admin-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--color-border);
  padding: 24px;
  margin-bottom: 20px;
}

.admin-table { width: 100%; border-collapse: collapse; }
.admin-table th, .admin-table td {
  text-align: right;
  padding: 10px 8px;
  border-bottom: 1px solid var(--color-border);
  font-size: 0.9rem;
  vertical-align: middle;
}
.admin-table th { color: var(--color-muted); font-weight: 600; }

.btn {
  display: inline-block;
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid var(--color-accent);
  background: var(--color-accent);
  color: #fff;
  font-family: var(--font-body);
  font-size: 0.9rem;
  cursor: pointer;
}
.btn:hover { background: var(--color-accent-dark); }
.btn.secondary { background: transparent; color: var(--color-text); border-color: var(--color-border); }
.btn.secondary:hover { border-color: var(--color-text); }
.btn.danger { background: #fff; color: #c8102e; border-color: #c8102e; }
.btn.danger:hover { background: #c8102e; color: #fff; }
.btn.small { padding: 5px 12px; font-size: 0.8rem; }

.form-group { margin-bottom: 18px; }
.form-group label { display: block; font-weight: 600; margin-bottom: 6px; font-size: 0.9rem; }
.form-group input[type=text],
.form-group input[type=file],
.form-group input[type=password],
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--color-border);
  border-radius: 6px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  background: #fff;
}
.form-group textarea { min-height: 120px; resize: vertical; }
.form-row { display: flex; gap: 16px; flex-wrap: wrap; }
.form-row .form-group { flex: 1; min-width: 200px; }
.checkbox-row { display: flex; align-items: center; gap: 8px; }
.checkbox-row input { width: auto; }

.login-wrap {
  max-width: 380px;
  margin: 80px auto;
  padding: 0 16px;
}

.badge {
  display: inline-block;
  font-size: 0.75rem;
  padding: 2px 8px;
  border-radius: 999px;
  font-weight: 600;
}
.badge.published { background: #e5f6ea; color: #1e7e34; }
.badge.draft { background: #f1f1f1; color: #666; }

.flash {
  padding: 12px 16px;
  border-radius: 6px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}
.flash.error { background: #fdeaea; color: #a3231f; }
.flash.success { background: #e5f6ea; color: #1e7e34; }

#editor-toolbar { margin-bottom: 6px; }
.ql-editor { min-height: 300px; font-family: var(--font-body); font-size: 1rem; background: #fff; }

.thumb-preview { width: 100%; max-width: 240px; border-radius: 8px; margin-top: 8px; }