*{box-sizing:border-box;margin:0;padding:0}
body{font-family:var(--fp-font-body);color:var(--fp-color-text);line-height:1.6;background:var(--fp-color-bg);-webkit-font-smoothing:antialiased}
h1,h2,h3{font-family:var(--fp-font-heading);color:var(--fp-color-secondary);font-weight:700;letter-spacing:-.01em}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer;border:none;background:none}
.container{max-width:var(--fp-container-w);margin:0 auto;padding:0 24px}
img{max-width:100%;display:block}

.proto-note{background:var(--fp-color-secondary);color:#fff;font-size:12.5px;text-align:center;padding:8px 16px}
.proto-note b{color:#7fd9cd}

.view{display:none}
.view.is-active{display:block}

/* ============ Reading progress bar ============ */
.progress-bar{position:fixed;top:0;left:0;height:3px;background:linear-gradient(90deg,var(--fp-color-primary),var(--fp-color-cta));width:0%;z-index:200;transition:width .1s linear}

/* ============ Emergency banner ============ */
.emergency-banner{
  background:linear-gradient(135deg,#7f1d1d,#991b1b);color:#fff;position:sticky;top:0;z-index:100;
}
.emergency-inner{max-width:var(--fp-container-w);margin:0 auto;padding:11px 24px;display:flex;align-items:center;gap:12px}
.emergency-icon{font-size:16px;flex-shrink:0;animation:pulse-icon 1.6s infinite}
@keyframes pulse-icon{0%,100%{opacity:1}50%{opacity:.5}}
.emergency-text{flex:1;font-size:13px;font-weight:600}
.emergency-text b{text-decoration:underline;text-underline-offset:2px;cursor:pointer}
.emergency-close{width:24px;height:24px;border-radius:50%;color:#fff;font-size:12px;flex-shrink:0;display:flex;align-items:center;justify-content:center}
.emergency-close:hover{background:rgba(255,255,255,.15)}
.emergency-banner.is-hidden{display:none}

/* ============ Header ============ */
.news-header{padding:22px 0 18px;border-bottom:1px solid var(--fp-color-border);background:#fff}
.news-header .container{display:flex;align-items:center;justify-content:space-between;gap:14px}
.brand{display:flex;align-items:center;gap:9px;font-weight:700;font-size:16px}
.brand .mark{width:30px;height:30px;border-radius:9px;background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));display:flex;align-items:center;justify-content:center;color:#fff;font-size:14px}
.news-header h2{font-size:13px;color:var(--fp-color-text-muted);font-weight:600}

/* ============ Category tabs ============ */
.cat-tabs{display:flex;gap:8px;overflow-x:auto;padding:16px 0 4px}
.cat-tabs button{
  flex-shrink:0;font-size:12.5px;font-weight:600;padding:8px 16px;border-radius:999px;border:1.5px solid var(--fp-color-border);
  color:var(--fp-color-text-muted);background:#fff;transition:all .2s var(--fp-ease);
}
.cat-tabs button.is-active{background:var(--fp-color-secondary);border-color:var(--fp-color-secondary);color:#fff}

/* ============ Lưới bài viết — mobile-first: 1 cột / 2 cột (≥640px) / 3 cột (≥1024px) ============ */
.article-grid{display:grid;grid-template-columns:1fr;gap:22px;padding:22px 0 40px}
@media (min-width:640px){.article-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.article-grid{grid-template-columns:repeat(3,1fr)}}

.article-card{
  background:rgba(255,255,255,0.45);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.25);
  box-shadow:0 8px 32px 0 rgba(0,0,0,0.05);
  border-radius:12px;
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .3s ease, box-shadow .3s ease;
}
.article-card:hover{transform:translateY(-4px);box-shadow:0 16px 40px 0 rgba(0,0,0,.09)}

.card-thumb{height:170px;position:relative;flex-shrink:0;display:block;background:var(--fp-color-border)}
.card-thumb img{width:100%;height:100%;object-fit:cover;display:block}
.trust-badge{
  position:absolute;top:12px;left:12px;font-size:10.5px;font-weight:700;padding:4px 10px;border-radius:999px;color:#fff;
  display:flex;align-items:center;gap:5px;z-index:1;
}
.trust-badge.bo-y-te{background:var(--fp-color-primary)}
.trust-badge.who{background:var(--fp-color-info)}
.trust-badge.noi-bo{background:var(--fp-color-secondary)}
.card-cat{position:absolute;bottom:12px;left:12px;font-size:10px;font-weight:700;color:#fff;background:rgba(0,0,0,.28);padding:3px 9px;border-radius:999px;z-index:1}
.card-body{padding:16px 18px 18px;display:flex;flex-direction:column;flex:1}
.card-date{font-size:11px;color:var(--fp-color-text-muted);margin-bottom:6px}
.card-title{font-size:15.5px;line-height:1.4;margin-bottom:8px;cursor:pointer}
.card-title:hover{color:var(--fp-color-primary)}
.card-excerpt{font-size:12.5px;color:var(--fp-color-text-muted);flex:1;margin-bottom:12px}
.card-actions{display:flex;gap:8px;align-items:center}
.btn-read{font-size:12px;font-weight:700;color:var(--fp-color-primary)}
.btn-ai-sum{
  margin-left:auto;font-size:11px;font-weight:700;color:var(--fp-color-cta);background:rgb(13 148 136/8%);
  border:1px solid rgb(13 148 136/18%);padding:6px 11px;border-radius:999px;display:inline-flex;align-items:center;gap:5px;
}
.btn-ai-sum:hover{background:rgb(13 148 136/14%)}

.ai-summary-box{
  margin-top:10px;background:rgb(13 148 136/5%);border:1px solid rgb(13 148 136/14%);border-radius:12px;
  padding:0;max-height:0;overflow:hidden;opacity:0;transition:max-height .35s var(--fp-ease), opacity .3s ease, padding .35s var(--fp-ease);
}
.ai-summary-box.is-open{padding:12px 14px;max-height:220px;opacity:1}
.ai-sum-loading{display:flex;align-items:center;gap:8px;font-size:11.5px;color:var(--fp-color-text-muted)}
.ai-spinner{width:13px;height:13px;border-radius:50%;border:2px solid rgb(13 148 136/25%);border-top-color:var(--fp-color-cta);animation:spin .7s linear infinite;flex-shrink:0}
@keyframes spin{to{transform:rotate(360deg)}}
.ai-summary-box ul{list-style:none;display:flex;flex-direction:column;gap:6px}
.ai-summary-box li{
  font-size:12px;color:var(--fp-color-text);padding-left:16px;position:relative;
  opacity:0;transform:translateY(4px);animation:liIn .3s var(--fp-ease) forwards;
}
.ai-summary-box li::before{content:"";position:absolute;left:0;top:7px;width:5px;height:5px;border-radius:50%;background:var(--fp-color-cta)}
@keyframes liIn{to{opacity:1;transform:translateY(0)}}

/* ============ ARTICLE (single) ============ */
.article-topbar{border-bottom:1px solid var(--fp-color-border);background:#fff;padding:14px 0}
.article-topbar .container{display:flex;align-items:center;gap:14px}
.back-link{font-size:13px;font-weight:600;color:var(--fp-color-text-muted);display:flex;align-items:center;gap:6px}
.back-link:hover{color:var(--fp-color-primary)}

.article-layout{display:grid;grid-template-columns:220px 1fr 240px;gap:36px;padding:34px 0 70px;align-items:start}
/**
 * Ô lưới (grid item) mặc định có min-width:auto — nghĩa là KHÔNG co nhỏ
 * hơn nội dung tối thiểu bên trong, nên chỉ cần 1 phần tử con quá rộng
 * (bảng, ảnh, chuỗi dài không dấu cách, hoặc khối flex không cho co như
 * lỗi .disclaimer-box đã gặp) là cả cột bị ép giãn ra → trang tràn ngang.
 * Đặt min-width:0 để các cột co đúng theo thiết kế 220px/1fr/240px.
 */
.article-layout > *{min-width:0}
.article-header{grid-column:2;margin-bottom:24px}
.article-header .trust-badge{position:static;display:inline-flex;margin-bottom:14px}
.article-header h1{font-size:29px;line-height:1.35;margin-bottom:14px}
.article-meta{display:flex;gap:14px;flex-wrap:wrap;font-size:12.5px;color:var(--fp-color-text-muted)}

.toc-side{grid-column:1;position:sticky;top:20px}
.toc-side p{font-size:10.5px;font-weight:700;color:var(--fp-color-text-muted);text-transform:uppercase;letter-spacing:.04em;margin-bottom:10px}
.toc-side a{
  display:block;font-size:12.5px;color:var(--fp-color-text-muted);padding:6px 0 6px 12px;border-left:2px solid var(--fp-color-border);
  transition:color .2s ease, border-color .2s ease;
}
.toc-side a.is-active{color:var(--fp-color-primary);font-weight:600;border-color:var(--fp-color-primary)}
.toc-mobile{display:none}

.article-body{grid-column:2;font-size:15.5px;color:var(--fp-color-text)}
.article-body h2{font-size:20px;margin:30px 0 12px;scroll-margin-top:20px}
.article-body p{margin-bottom:14px;color:#2c4744}
.article-body ul{margin:0 0 14px 20px}
.article-body li{margin-bottom:6px}

.aside-widgets{grid-column:3;position:sticky;top:20px;display:flex;flex-direction:column;gap:16px}
.ask-ai-widget{
  background:linear-gradient(160deg,var(--fp-color-secondary),#0f2b28);color:#fff;border-radius:18px;padding:18px;
}
.ask-ai-widget .aw-icon{width:34px;height:34px;border-radius:10px;background:rgba(255,255,255,.12);display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:10px}
.ask-ai-widget h3{color:#fff;font-size:14px;margin-bottom:6px}
.ask-ai-widget p{font-size:11.5px;color:rgba(255,255,255,.7);margin-bottom:12px;line-height:1.5}
.ask-ai-widget button{
  width:100%;background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));color:#fff;font-size:12.5px;font-weight:700;
  padding:10px;border-radius:12px;
}
.related-widget{background:#fff;border:1px solid var(--fp-color-border);border-radius:18px;padding:16px}
.related-widget p{font-size:10.5px;font-weight:700;color:var(--fp-color-text-muted);text-transform:uppercase;margin-bottom:10px}
.rw-item{display:block;font-size:12.5px;font-weight:600;padding:9px 0;border-bottom:1px solid var(--fp-color-border);cursor:pointer}
.rw-item:last-child{border-bottom:none}
.rw-item:hover{color:var(--fp-color-primary)}

.recommend-section{grid-column:1/-1;margin-top:20px;padding-top:30px;border-top:1px solid var(--fp-color-border)}
.recommend-section h3{font-size:15px;margin-bottom:16px}
.recommend-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.recommend-card{background:#fff;border:1px solid var(--fp-color-border);border-radius:14px;padding:14px;cursor:pointer;transition:border-color .2s ease}
.recommend-card:hover{border-color:var(--fp-color-primary)}
.recommend-match{font-size:10px;font-weight:700;color:var(--fp-color-success);margin-bottom:6px}
.recommend-card h4{font-size:13px;line-height:1.4}

.disclaimer-box{
  grid-column:2;margin-top:26px;background:rgb(245 158 11/7%);border:1px solid rgb(245 158 11/22%);border-radius:14px;
  padding:14px 16px;font-size:11.5px;color:#92620a;display:flex;gap:10px;line-height:1.6;
}
/**
 * CHỈ span ĐẦU TIÊN (icon ⚠️) mới được phép giữ nguyên kích thước.
 *
 * LỖI CŨ: bộ chọn `.disclaimer-box span` áp cho CẢ HAI span, nên span
 * chứa đoạn văn dài cũng bị flex-shrink:0 — tức KHÔNG được phép co lại —
 * ép cả khối flex phải rộng bằng đúng độ dài câu văn trên 1 dòng, gây tràn
 * ngang cả trên điện thoại LẪN máy tính (chữ vàng chạy ra ngoài khung
 * vàng). Nó cũng vô tình đè cỡ chữ 11.5px của đoạn text thành 15px.
 *
 * min-width:0 cho span text: phần tử flex mặc định có min-width:auto,
 * không co nhỏ hơn nội dung tối thiểu — đặt 0 để chuỗi dài bất thường
 * (vd URL không có dấu cách) vẫn không phá vỡ bố cục.
 */
.disclaimer-box > span:first-child{font-size:15px;flex-shrink:0}
.disclaimer-box > span:last-child{min-width:0}

/* ===== Khối E-E-A-T — Tác giả / Bác sĩ kiểm duyệt / Nguồn tham khảo ===== */
.knox-eeat-box{
  grid-column:2;margin-top:18px;padding:20px 22px;border-radius:16px;
  background:rgba(255,255,255,0.6);border:1px solid var(--fp-color-border);
  display:flex;flex-direction:column;gap:16px;
}
.knox-eeat-box__row{display:flex;align-items:flex-start;gap:14px}
.knox-eeat-box__row--reviewer{padding-top:16px;border-top:1px dashed var(--fp-color-border)}
.knox-eeat-box__avatar{flex-shrink:0;border-radius:50%;overflow:hidden;width:56px;height:56px}
.knox-eeat-box__avatar img{display:block;width:100%;height:100%;object-fit:cover}
.knox-eeat-box__icon{flex-shrink:0;width:40px;height:40px;border-radius:12px;background:rgba(61,139,130,.08);display:flex;align-items:center;justify-content:center;font-size:18px}
.knox-eeat-box__info{display:flex;flex-direction:column;gap:2px}
.knox-eeat-box__label{font-size:11px;color:var(--fp-color-text-muted);font-weight:600;text-transform:uppercase;letter-spacing:.02em}
.knox-eeat-box__info strong{font-size:14.5px;color:var(--fp-color-secondary)}
.knox-eeat-box__bio{font-size:12.5px;color:var(--fp-color-text-muted);margin-top:4px;line-height:1.6}

/* ============ Khối bình luận (comments.php) ============ */
.comments-section{grid-column:1/-1;margin-top:30px;padding-top:30px;border-top:1px solid var(--fp-color-border)}
.comments-section__title{font-size:15px;margin-bottom:18px}
.comments-section__closed{font-size:12.5px;color:var(--fp-color-text-muted);padding:12px 0}

.comment-list{list-style:none;display:flex;flex-direction:column;gap:18px;margin-bottom:24px}
.comment-list .children{list-style:none;margin:16px 0 0;padding-left:26px;border-left:2px solid var(--fp-color-border);display:flex;flex-direction:column;gap:16px}

.knox-comment__row{display:flex;gap:12px}
.knox-comment__avatar{flex-shrink:0}
.knox-comment__avatar img{width:44px;height:44px;border-radius:50%;display:block}
.knox-comment__body{flex:1;background:#fff;border:1px solid var(--fp-color-border);border-radius:14px;padding:14px 16px}
.knox-comment__meta{display:flex;align-items:center;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.knox-comment__author{font-size:13px;color:var(--fp-color-secondary)}
.knox-comment__date{font-size:11.5px;color:var(--fp-color-text-muted)}
.knox-comment__date a{color:inherit}
.knox-comment__date a:hover{color:var(--fp-color-primary)}
.knox-comment__pending{font-size:11.5px;color:var(--fp-color-warning);margin-bottom:6px;font-style:italic}
.knox-comment__text{font-size:13.5px;color:#2c4744;line-height:1.6}
.knox-comment__text p{margin-bottom:8px}
.knox-comment__text p:last-child{margin-bottom:0}
.knox-comment__actions{margin-top:8px}
.knox-comment__actions a{font-size:12px;font-weight:600;color:var(--fp-color-primary)}
.knox-comment__actions a:hover{text-decoration:underline}
.comment-respond .reply{margin-top:8px}

.knox-comment-form{background:#fff;border:1px solid var(--fp-color-border);border-radius:16px;padding:20px 22px}
.knox-comment-form #reply-title{font-size:15px;margin-bottom:14px}
.knox-comment-form #reply-title small{margin-left:8px;font-size:11.5px;font-weight:600}
.knox-comment-form #reply-title small a{color:var(--fp-color-error)}
.knox-comment-form .comment-notes,
.knox-comment-form .logged-in-as{font-size:12px;color:var(--fp-color-text-muted);margin-bottom:12px}
.knox-comment-form .comment-notes a,
.knox-comment-form .logged-in-as a{color:var(--fp-color-primary)}
.knox-comment-form p{margin-bottom:12px}
.knox-comment-form input[type="text"],
.knox-comment-form input[type="email"],
.knox-comment-form input[type="url"],
.knox-comment-form textarea{
  width:100%;font-family:inherit;font-size:13.5px;color:var(--fp-color-text);
  border:1.5px solid var(--fp-color-border);border-radius:10px;padding:10px 12px;
  background:var(--fp-color-bg);transition:border-color .2s ease;
}
.knox-comment-form textarea{resize:vertical;min-height:96px}
.knox-comment-form input:focus,
.knox-comment-form textarea:focus{outline:none;border-color:var(--fp-color-primary)}
.knox-comment-form .form-submit{margin-bottom:0}
.knox-comment-form input[type="submit"]{
  background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));color:#fff;
  font-size:13px;font-weight:700;padding:11px 24px;border-radius:12px;border:none;cursor:pointer;
}
.knox-comment-form input[type="submit"]:hover{opacity:.92}

@media (max-width:980px){
  .comment-list .children{padding-left:16px}
}

.toast{
  position:fixed;bottom:26px;left:50%;transform:translate(-50%,16px);z-index:210;
  background:var(--fp-color-secondary);color:#fff;font-size:13px;padding:12px 20px;border-radius:12px;
  display:flex;align-items:center;gap:10px;opacity:0;pointer-events:none;transition:all .3s var(--fp-ease);
  box-shadow:0 14px 30px rgba(28,61,58,.25);max-width:320px;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

@media (max-width:980px){
  .article-layout{grid-template-columns:1fr;gap:0}
  .toc-side{display:none}
  .toc-mobile{display:block;grid-column:1;margin-bottom:20px}
  /**
   * CHỐNG LỖI TẬN GỐC: reset grid-column cho TẤT CẢ con trực tiếp của
   * .article-layout khi về 1 cột, thay vì liệt kê tay từng class.
   *
   * Nguyên nhân lỗi đã gặp: .knox-eeat-box (khối Tác giả/Nguồn tham khảo)
   * bị bỏ sót trong danh sách reset nên vẫn giữ grid-column:2 — CSS Grid
   * TỰ SINH thêm 1 cột ẩn để chứa nó, làm layout rộng gấp đôi viewport →
   * trang tràn ngang, chữ bị bóp còn 1/3 màn hình, các khối đè chồng nhau
   * trên điện thoại.
   *
   * Dùng bộ chọn con phổ quát để mọi khối THÊM MỚI sau này tự động đúng,
   * không phải nhớ cập nhật lại danh sách. Phạm vi vẫn giới hạn trong
   * .article-layout ở mobile nên KHÔNG ảnh hưởng bất kỳ trang nào khác.
   * .recommend-section/.comments-section vốn đặt grid-column:1/-1 — ở lưới
   * 1 cột thì 1/-1 và 1 cho ra kết quả y hệt, nên không cần ngoại lệ.
   */
  .article-layout > *{grid-column:1}
  .aside-widgets{grid-column:1;position:static;flex-direction:row;margin-top:24px}
  .recommend-grid{grid-template-columns:1fr}
}
@media (max-width:640px){
  .aside-widgets{flex-direction:column}
  .article-header h1{font-size:23px}
}

/* ============ Phân trang gốc WordPress — the_posts_pagination() ============ */
.fp-pagination{display:flex;justify-content:center;padding:20px 0 60px}
.fp-pagination .nav-links{display:flex;align-items:center;gap:8px;flex-wrap:wrap;justify-content:center}
.fp-pagination .page-numbers{
  display:inline-flex;align-items:center;justify-content:center;min-width:40px;height:40px;padding:0 12px;
  border-radius:999px;font-size:13px;font-weight:700;color:var(--fp-color-secondary);
  background:rgba(255,255,255,0.45);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.25);box-shadow:0 4px 14px rgba(0,0,0,.04);
  transition:transform .2s var(--fp-ease), box-shadow .2s var(--fp-ease), background .2s var(--fp-ease);
}
.fp-pagination .page-numbers:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.fp-pagination .page-numbers.current{background:linear-gradient(135deg,var(--fp-color-primary),var(--fp-color-cta));color:#fff;border-color:transparent}
.fp-pagination .page-numbers.dots{background:transparent;box-shadow:none;border:none}

/* ============ Trạng thái rỗng — chưa có bài viết nào ============ */
.news-empty{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:rgba(255,255,255,0.45);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border:1px solid rgba(255,255,255,0.25);box-shadow:0 8px 32px 0 rgba(0,0,0,0.05);border-radius:12px;
}
.news-empty__icon{font-size:32px;margin-bottom:12px}
.news-empty p{font-size:14px;color:var(--fp-color-text-muted);font-weight:600}