/* =====================================================================
   KRENDE BLOG (/blog) — trang chủ blog, danh sách, bài viết, soạn bài.
   Dùng chung token màu + thẻ / nút / chip của giao diện Krende (tokens.css, components.css, account.css).
   ===================================================================== */

/* ---------- Đầu trang blog ---------- */
.bp-top { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-4); flex-wrap: wrap; margin-bottom: var(--sp-4); }
.bp-brand { font-size: var(--fs-3xl); font-weight: 900; letter-spacing: -.5px; line-height: 1.1; }
.bp-brand span { color: var(--danger); }
.bp-top-actions { display: flex; gap: var(--sp-2); align-items: center; flex: 1; justify-content: flex-end; min-width: 260px; }
.bp-search { flex: 1; max-width: 360px; }
.bp-cats { margin-bottom: var(--sp-6); }

/* ---------- Thẻ bài viết ---------- */
.bp-card { display: flex; flex-direction: column; gap: var(--sp-3); min-width: 0; }
.bp-thumb { display: block; aspect-ratio: 16 / 9; border-radius: var(--r-md); overflow: hidden; background: var(--surface-2); }
.bp-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .25s; }
.bp-card:hover .bp-thumb img { transform: scale(1.03); }
.bp-body { display: flex; flex-direction: column; gap: 6px; min-width: 0; }
.bp-cat { align-self: flex-start; color: var(--danger); font-size: var(--fs-xs); font-weight: 700; text-transform: uppercase; letter-spacing: .4px; }
.bp-title {
    font-size: var(--fs-lg); font-weight: 700; line-height: 1.35;
    display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
}
.bp-title:hover { text-decoration: underline; text-underline-offset: 3px; }
.bp-sum { color: var(--text-2); font-size: var(--fs-md); line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bp-meta { color: var(--text-2); font-size: var(--fs-sm); }

.bp-big .bp-title { font-size: var(--fs-2xl); -webkit-line-clamp: 3; }
.bp-big .bp-sum { -webkit-line-clamp: 3; font-size: var(--fs-lg); }
.bp-small .bp-title { font-size: var(--fs-md); -webkit-line-clamp: 2; }

.bp-row { display: grid; grid-template-columns: 260px minmax(0, 1fr); gap: var(--sp-4); align-items: start; }
.bp-list { display: flex; flex-direction: column; gap: var(--sp-6); }
.bp-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-6) var(--sp-4); }

/* Bài nổi bật: 1 lớn + 4 nhỏ */
.bp-hero { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: var(--sp-6); margin-bottom: var(--sp-8); }
.bp-hero-side { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--sp-4); align-content: start; }

/* Cột phải */
.bp-mini-list, .bp-tool-list { display: flex; flex-direction: column; gap: var(--sp-3); }
.bp-mini { display: flex; gap: var(--sp-3); align-items: flex-start; }
.bp-rank { flex-shrink: 0; width: 28px; font-size: 22px; font-weight: 900; line-height: 1.1; color: var(--text-3); }
.bp-mini:nth-child(-n+3) .bp-rank { color: var(--danger); }
.bp-mini > span:last-child, .bp-tool > span { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.bp-mini-title { font-weight: 500; line-height: 1.35; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bp-mini:hover .bp-mini-title, .bp-tool:hover .bp-mini-title { text-decoration: underline; }
.bp-tool { display: flex; gap: var(--sp-3); align-items: flex-start; }
.bp-tool img { width: 88px; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-sm); flex-shrink: 0; background: var(--surface-2); }
.bp-cat-list { display: flex; flex-wrap: wrap; gap: var(--sp-2); }
.bp-cat-list a { padding: 4px 10px; border-radius: var(--r-pill); background: var(--surface-2); font-size: var(--fs-sm); }
.bp-cat-list a:hover { background: var(--surface-hover); }
.bp-cat-list a.is-active { background: var(--primary); color: var(--on-primary); }

/* Hộp tác giả */
.bp-author-box { display: flex; gap: var(--sp-4); align-items: center; }
.bp-author { font-weight: 700; }

/* ---------- Bài viết ---------- */
.bp-article { gap: var(--sp-6); }
.bp-crumbs { color: var(--text-2); font-size: var(--fs-sm); margin-bottom: var(--sp-2); }
.bp-crumbs a:hover { color: var(--text); }
.bp-h1 { font-size: 34px; line-height: 1.25; font-weight: 900; letter-spacing: -.3px; }
.bp-lead { margin-top: var(--sp-3); font-size: 19px; line-height: 1.6; color: var(--text-2); }
.bp-byline { display: flex; align-items: center; gap: var(--sp-3); margin-top: var(--sp-4); flex-wrap: wrap; }
.bp-byline > div { flex: 1; min-width: 200px; }
.bp-cover { margin: 0; border-radius: var(--r-lg); overflow: hidden; background: var(--surface-2); }
.bp-cover img { width: 100%; max-height: 520px; object-fit: cover; }
.bp-toc { padding: var(--sp-4); border-radius: var(--r-md); background: var(--surface-2); }
.bp-toc summary { font-weight: 700; cursor: pointer; }
.bp-toc ol { margin: var(--sp-3) 0 0; padding-left: 22px; display: grid; gap: 6px; }
.bp-toc li.lv3 { margin-left: var(--sp-4); list-style: circle; }
.bp-toc a:hover { text-decoration: underline; }
.bp-tags { flex-wrap: wrap; }
.bp-share { display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap; padding: var(--sp-3) 0; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); }

/* Nội dung bài (Markdown → HTML) */
.prose { font-size: 17px; line-height: 1.8; overflow-wrap: anywhere; }
.prose > * + * { margin-top: 1em; }
.prose h2 { font-size: 26px; line-height: 1.3; font-weight: 800; margin-top: 1.6em; scroll-margin-top: calc(var(--topbar-h) + 16px); }
.prose h3 { font-size: 21px; line-height: 1.35; font-weight: 700; margin-top: 1.4em; scroll-margin-top: calc(var(--topbar-h) + 16px); }
.prose h4, .prose h5, .prose h6 { font-size: 18px; font-weight: 700; }
.prose a { color: var(--link); text-decoration: underline; text-underline-offset: 3px; }
.prose ul, .prose ol { padding-left: 1.4em; }
.prose li + li { margin-top: .35em; }
.prose img { display: block; max-width: 100%; height: auto; margin: 0 auto; border-radius: var(--r-md); }
.prose blockquote { margin-left: 0; padding: var(--sp-3) var(--sp-4); border-left: 4px solid var(--danger); background: var(--surface-2); border-radius: 0 var(--r-sm) var(--r-sm) 0; color: var(--text-2); }
.prose code { font-family: var(--font-mono); font-size: .9em; padding: 2px 6px; border-radius: 4px; background: var(--surface-2); }
.prose pre { padding: var(--sp-4); border-radius: var(--r-md); background: var(--surface-2); overflow-x: auto; line-height: 1.5; }
.prose pre code { padding: 0; background: none; }
.prose hr { border: 0; border-top: 1px solid var(--border); margin: 2em 0; }
.prose-table { overflow-x: auto; }
.prose table { width: 100%; border-collapse: collapse; font-size: 15px; }
.prose th, .prose td { padding: 8px 12px; border: 1px solid var(--border); text-align: left; }
.prose th { background: var(--surface-2); }
.yt-lite { position: relative; aspect-ratio: 16 / 9; border-radius: var(--r-md); overflow: hidden; background: #000; cursor: pointer; }
.yt-lite img { width: 100%; height: 100%; object-fit: cover; opacity: .85; border-radius: 0; }
.yt-lite iframe { width: 100%; height: 100%; border: 0; }
.yt-play {
    position: absolute; inset: 50% auto auto 50%; transform: translate(-50%, -50%);
    width: 68px; height: 48px; border: 0; border-radius: 12px; background: #f00; color: #fff; font-size: 22px; cursor: pointer;
}

/* Bình luận */
.bp-comment-form { display: flex; flex-direction: column; gap: var(--sp-2); margin-bottom: var(--sp-4); }
.bp-comment-list { display: flex; flex-direction: column; gap: var(--sp-4); }
.bp-comment { display: flex; gap: var(--sp-3); align-items: flex-start; }
.bp-comment.is-reply { margin-top: var(--sp-3); }
.bp-comment-body { flex: 1; min-width: 0; }
.bp-comment-text { margin-top: 2px; white-space: pre-wrap; overflow-wrap: anywhere; line-height: 1.55; }
.bp-comment-actions { display: flex; gap: var(--sp-3); margin-top: 4px; }
.bp-comment-body > form { margin-top: var(--sp-2); }
.link-btn { padding: 0; border: 0; background: none; color: var(--text-2); font-size: var(--fs-sm); font-weight: 500; cursor: pointer; }
.link-btn:hover { color: var(--text); }

/* ---------- Bài của tôi ---------- */
.bp-mine-row { gap: var(--sp-3); border-bottom: 1px solid var(--border); }
.bp-mine-row:last-child { border-bottom: 0; }

/* ---------- Soạn bài ---------- */
.bp-editor { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: var(--sp-6); align-items: start; }
.bp-editor-main { display: flex; flex-direction: column; gap: var(--sp-4); min-width: 0; }
.bp-editor-side { display: flex; flex-direction: column; gap: var(--sp-4); }
.bp-editor-side .card { display: flex; flex-direction: column; gap: var(--sp-3); }
.bp-title-input { height: 52px; font-size: var(--fs-xl); font-weight: 700; }
.bp-md { border: 1px solid var(--border); border-radius: var(--r-md); overflow: hidden; background: var(--surface); }
.bp-md-bar { display: flex; flex-wrap: wrap; gap: 2px; padding: 6px; border-bottom: 1px solid var(--border); background: var(--surface-2); }
.bp-md-bar button { min-width: 34px; height: 32px; padding: 0 8px; border: 0; border-radius: var(--r-sm); background: none; color: var(--text); cursor: pointer; font-size: var(--fs-sm); }
.bp-md-bar button:hover { background: var(--surface-hover); }
.bp-md-tabs { margin-left: auto; display: flex; gap: 2px; }
.bp-md-tabs button.is-active { background: var(--primary); color: var(--on-primary); }
.bp-md-input {
    display: block; width: 100%; min-height: 520px; padding: var(--sp-4); border: 0; outline: none; resize: vertical;
    background: transparent; color: var(--text); font: 15px/1.7 var(--font-mono);
}
.bp-md-preview { min-height: 520px; padding: var(--sp-4) var(--sp-6); }
.bp-cover-pick { display: flex; flex-wrap: wrap; gap: var(--sp-2); align-items: center; }
.bp-cover-pick img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: var(--r-sm); background: var(--surface-2); }
.hint.is-warn { color: var(--danger); }
.bp-tools { display: flex; flex-wrap: wrap; gap: 6px; }
.bp-tool-search { position: relative; }
.bp-tool-results {
    position: absolute; z-index: 20; inset: calc(100% + 4px) 0 auto 0; max-height: 260px; overflow-y: auto;
    background: var(--surface); border: 1px solid var(--border); border-radius: var(--r-sm); box-shadow: var(--shadow-pop);
}
.bp-tool-results button { display: block; width: 100%; padding: 8px 12px; border: 0; background: none; color: var(--text); text-align: left; cursor: pointer; }
.bp-tool-results button:hover { background: var(--surface-2); }
.bp-tips ul { margin: 0; padding-left: 18px; display: grid; gap: 6px; color: var(--text-2); font-size: var(--fs-sm); }

/* ---------- Màn hình nhỏ ---------- */
@media (max-width: 1000px) {
    .bp-hero { grid-template-columns: minmax(0, 1fr); }
    .bp-editor { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
    .bp-row { grid-template-columns: 120px minmax(0, 1fr); gap: var(--sp-3); }
    .bp-row .bp-sum { display: none; }
    .bp-row .bp-title { font-size: var(--fs-md); }
    .bp-hero-side, .bp-grid { grid-template-columns: minmax(0, 1fr); }
    /* Thẻ bài nhỏ (bài phụ, bài liên quan, bài mới ở trang chủ / trang tool): ảnh nhỏ trái – tiêu đề phải như app báo */
    .bp-small { display: grid; grid-template-columns: 120px minmax(0, 1fr); gap: var(--sp-3); align-items: start; }
    .bp-small .bp-body { gap: 4px; }
    .bp-small .bp-meta { font-size: var(--fs-xs); }
    .bp-big .bp-title { font-size: var(--fs-xl); }
    .bp-h1 { font-size: 26px; }
    .bp-lead { font-size: 17px; }
    .prose { font-size: 16px; }
    .prose h2 { font-size: 22px; }
    .bp-top-actions { min-width: 0; flex: 1 1 100%; }
    .bp-search { max-width: none; }
}