/* ─── CẨM NANG TMH — style khu blog (kèm với style.css) ─── */

/* ---- Trang danh sách ---- */
.blog-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 2rem;
}
.blog-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  display: flex;
  flex-direction: column;
  transition: transform .2s, box-shadow .2s;
  text-decoration: none;
}
.blog-card:hover { transform: translateY(-6px); box-shadow: 0 16px 40px rgba(20,131,176,.2); }
.blog-card-media {
  position: relative;
  aspect-ratio: 16 / 8;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--teal));
}
.blog-card-media svg { width: 3.4rem; height: 3.4rem; opacity: .95; }
.blog-card-media img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.blog-pagination .nav-links { display: inline-flex; gap: .5rem; flex-wrap: wrap; justify-content: center; }
.blog-pagination .page-numbers { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; height: 40px; padding: 0 .6rem; border-radius: 8px; background: #fff; border: 1px solid var(--sky-dk); color: var(--primary-dk); font-weight: 700; text-decoration: none; }
.blog-pagination .page-numbers.current { background: var(--primary); color: #fff; border-color: var(--primary); }
.blog-card.m1 .blog-card-media { background: linear-gradient(135deg, var(--navy), var(--primary)); }
.blog-card.m2 .blog-card-media { background: linear-gradient(135deg, var(--primary), var(--teal)); }
.blog-card.m3 .blog-card-media { background: linear-gradient(135deg, var(--teal), var(--primary-dk)); }
.blog-card.m4 .blog-card-media { background: linear-gradient(135deg, var(--primary-dk), var(--teal)); }
.blog-card.m5 .blog-card-media { background: linear-gradient(135deg, #b23b3b, #d98b3b); }
.blog-card.m6 .blog-card-media { background: linear-gradient(135deg, var(--navy), var(--teal)); }
.blog-card-body { padding: 1.5rem 1.5rem 1.7rem; display: flex; flex-direction: column; flex: 1; }
.blog-card-top { display: flex; align-items: center; gap: .7rem; margin-bottom: .8rem; flex-wrap: wrap; }
.blog-cat-tag {
  font-size: .68rem; font-weight: 800; text-transform: uppercase; letter-spacing: .06em;
  color: var(--primary-dk); background: var(--sky); border: 1px solid var(--sky-dk);
  padding: .28rem .7rem; border-radius: 50px;
}
.blog-date { font-size: .78rem; color: var(--muted); font-weight: 500; }
.blog-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--navy); line-height: 1.4; margin-bottom: .6rem; }
.blog-card p { font-size: .94rem; color: var(--muted); line-height: 1.7; flex: 1; }
.blog-read-more {
  margin-top: 1.1rem; font-size: .9rem; font-weight: 800; color: var(--primary);
  display: inline-flex; align-items: center; gap: .4rem;
}
.blog-card:hover .blog-read-more { gap: .7rem; }

/* ---- Trang bài viết ---- */
.article-hero .article-cat {
  display: inline-block; font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em;
  color: #fff; background: var(--primary); padding: .35rem 1rem; border-radius: 50px; margin-bottom: 1rem;
}
.article-hero h1 { max-width: 820px; margin-left: auto; margin-right: auto; line-height: 1.32; }
.article-meta { font-size: .88rem; color: var(--muted); margin-top: .9rem; font-weight: 600; }
.article-meta span { color: var(--primary-dk); }

.article { padding: 3.4rem 2rem; }
.article-body { max-width: 780px; }
.article-body > p { font-size: 1.06rem; line-height: 1.9; color: var(--text); margin-bottom: 1.2rem; }
.article-body .lead { font-size: 1.16rem; color: var(--navy); font-weight: 500; line-height: 1.8; }
.article-body h2 {
  font-size: 1.5rem; color: var(--navy); font-weight: 800; margin: 2.4rem 0 1rem;
  padding-left: 1rem; border-left: 4px solid var(--primary); line-height: 1.35;
}
.article-body h3 { font-size: 1.2rem; color: var(--primary-dk); font-weight: 700; margin: 1.6rem 0 .7rem; }
.article-body ul { list-style: none; margin: 1rem 0 1.4rem; }
.article-body ul li { position: relative; padding: .4rem 0 .4rem 1.7rem; font-size: 1.02rem; line-height: 1.8; color: var(--text); }
.article-body ul li::before { content: '✓'; position: absolute; left: 0; top: .4rem; color: var(--teal); font-weight: 900; }
.article-body strong { color: var(--navy); }
.article-body .fig {
  background: var(--sky); border: 1px solid var(--sky-dk); border-radius: var(--radius);
  padding: 1.2rem 1.4rem; margin: 1.5rem 0; font-style: italic; color: var(--primary-dk);
}

/* ---- Hộp cảnh báo Cờ đỏ ---- */
.callout { border-radius: var(--radius); padding: 1.3rem 1.5rem; margin: 1.5rem 0; box-shadow: var(--shadow); }
.callout .callout-head {
  display: flex; align-items: center; gap: .6rem; font-weight: 800; font-size: 1.02rem;
  margin-bottom: .8rem; text-transform: uppercase; letter-spacing: .02em;
}
.callout .callout-head svg { width: 1.3em; height: 1.3em; }
.callout ul { margin: 0; }
.callout ul li { padding-left: 1.6rem; }
.callout.red { background: #fdecec; border-left: 5px solid #d63b3b; }
.callout.red .callout-head { color: #c62828; }
.callout.red ul li::before { content: '●'; color: #d63b3b; font-size: .7em; top: .55rem; }
.callout.orange { background: #fff4e6; border-left: 5px solid #e08a1e; }
.callout.orange .callout-head { color: #c9720a; }
.callout.orange ul li::before { content: '●'; color: #e08a1e; font-size: .7em; top: .55rem; }
.callout.info { background: var(--sky); border-left: 5px solid var(--primary); padding: 1.1rem 1.4rem; }
.callout.info p { color: var(--primary-dk); line-height: 1.75; margin: 0; }
.callout.info strong { color: var(--primary-dk); }

/* ---- Hộp tác giả ---- */
.author-box {
  display: flex; gap: 1.4rem; align-items: flex-start;
  background: #fff; border: 1px solid var(--sky-dk); border-top: 3px solid var(--primary);
  border-radius: var(--radius); padding: 1.7rem; margin: 2.6rem 0 1.6rem; box-shadow: var(--shadow);
}
.author-avatar { flex-shrink: 0; width: 84px; height: 84px; border-radius: 50%; overflow: hidden; outline: 2px solid var(--primary); outline-offset: 3px; }
.author-avatar img { width: 100%; height: 100%; object-fit: cover; }
.author-eyebrow { font-size: .72rem; font-weight: 800; text-transform: uppercase; letter-spacing: .08em; color: var(--primary); }
.author-info h3 { font-size: 1.2rem; color: var(--navy); margin: .2rem 0 .5rem; }
.author-info p { font-size: .96rem; color: var(--muted); line-height: 1.75; margin-bottom: .6rem; }
.author-link { font-weight: 700; color: var(--primary); text-decoration: none; font-size: .92rem; }
@media (max-width: 560px) { .author-box { flex-direction: column; align-items: center; text-align: center; } }

/* ---- Miễn trừ y khoa ---- */
.medical-disclaimer {
  display: flex; gap: .9rem; align-items: flex-start;
  background: #f7fafc; border: 1px dashed var(--sky-dk); border-radius: 10px;
  padding: 1.1rem 1.3rem; margin: 1.4rem 0;
}
.medical-disclaimer svg { width: 1.4em; height: 1.4em; color: var(--muted); flex-shrink: 0; margin-top: .15rem; }
.medical-disclaimer p { font-size: .88rem; color: var(--muted); line-height: 1.7; margin: 0; }

.back-link { margin-top: 1.8rem; }
.back-link a { color: var(--primary); font-weight: 700; text-decoration: none; }

/* ─── Tối ưu Cẩm nang trên điện thoại ─── */
@media (max-width: 700px) {
  .article { padding: 2.4rem 1.1rem; }
  .article-body h2 { font-size: 1.26rem; padding-left: .8rem; }
  .article-body h3 { font-size: 1.1rem; }
  .article-body > p, .article-body ul li { font-size: 1rem; }
  .article-body .lead { font-size: 1.06rem; }
  .callout { padding: 1.1rem 1.1rem; }
  .callout .callout-head { font-size: .9rem; }
  .callout ul li { font-size: .96rem; }
  .author-box { padding: 1.3rem; }
  .blog-grid { grid-template-columns: 1fr; gap: 1.3rem; }
  .blog-card h3 { font-size: 1.14rem; }
}