/* ════════════════════════════════════════
   BLOG — Tin Tức & Blog CSS
   Thiết kế dark purple/blue nhất quán với site
════════════════════════════════════════ */

/* ── Page header ── */
.blog-hero{padding:28px 0 18px;border-bottom:1px solid rgba(255,255,255,.06);margin-bottom:24px}
.blog-hero-title{font-size:1.55rem;font-weight:800;color:#f0f2f8;letter-spacing:-.02em;display:flex;align-items:center;gap:10px}
.blog-hero-title i{color:#a29bfe;font-size:1.2rem}
.blog-hero-sub{font-size:.82rem;color:rgba(240,242,248,.45);margin-top:4px}

/* ── Filter bar ── */
.blog-filterbar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:22px}
.blog-tab-btn{display:inline-flex;align-items:center;gap:6px;padding:7px 16px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:rgba(240,242,248,.6);font-size:.8rem;font-weight:600;cursor:pointer;transition:all .2s;text-decoration:none}
.blog-tab-btn.active,.blog-tab-btn:hover{background:rgba(108,92,231,.18);border-color:rgba(108,92,231,.4);color:#a29bfe}
.blog-search-wrap{flex:1;min-width:180px;max-width:320px;display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:20px;padding:7px 14px}
.blog-search-wrap i{color:rgba(240,242,248,.3);font-size:.85rem}
.blog-search-inp{background:none;border:none;outline:none;color:#f0f2f8;font-size:.85rem;font-family:inherit;width:100%;font-size:16px}
.blog-search-inp::placeholder{color:rgba(240,242,248,.3)}

/* ── Grid ── */
.blog-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:20px}

/* ── Card ── */
.blog-card{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.07);border-radius:16px;overflow:hidden;transition:transform .22s,box-shadow .22s,border-color .22s;text-decoration:none;display:flex;flex-direction:column}
.blog-card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,.5);border-color:rgba(108,92,231,.3)}
.blog-card-thumb{width:100%;aspect-ratio:16/9;object-fit:cover;display:block;background:rgba(255,255,255,.04)}
.blog-card-thumb-placeholder{width:100%;aspect-ratio:16/9;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(108,92,231,.12),rgba(162,155,254,.06));color:rgba(162,155,254,.4);font-size:2rem}
.blog-card-body{padding:14px 16px 12px;flex:1;display:flex;flex-direction:column;gap:6px}
.blog-card-cat{display:inline-flex;align-items:center;gap:5px;font-size:.68rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;padding:3px 9px;border-radius:8px}
.blog-card-cat.news{background:rgba(99,179,237,.12);color:#63b3ed;border:1px solid rgba(99,179,237,.2)}
.blog-card-cat.blog{background:rgba(108,92,231,.12);color:#a29bfe;border:1px solid rgba(108,92,231,.2)}
.blog-card-cat.guide{background:rgba(0,230,118,.1);color:#00e676;border:1px solid rgba(0,230,118,.2)}
.blog-card-date{font-size:.72rem;color:rgba(240,242,248,.35)}
.blog-card-title{font-size:.96rem;font-weight:700;color:#f0f2f8;line-height:1.4;flex:1}
.blog-card-excerpt{font-size:.78rem;color:rgba(240,242,248,.5);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.blog-card-meta{display:flex;align-items:center;gap:14px;padding-top:8px;border-top:1px solid rgba(255,255,255,.05);font-size:.74rem;color:rgba(240,242,248,.38)}
.blog-card-meta span{display:inline-flex;align-items:center;gap:4px}
.blog-card-meta i{font-size:.72rem}

/* ── Empty state ── */
.blog-empty{text-align:center;padding:60px 20px;color:rgba(240,242,248,.35)}
.blog-empty i{font-size:2.5rem;margin-bottom:12px;display:block}
.blog-empty p{font-size:.88rem}

/* ════ DETAIL PAGE ════ */
.blog-detail-wrap{max-width:820px;margin:0 auto}
.blog-detail-back{display:inline-flex;align-items:center;gap:7px;color:rgba(240,242,248,.45);font-size:.82rem;text-decoration:none;margin-bottom:20px;transition:color .18s}
.blog-detail-back:hover{color:#a29bfe}

.blog-detail-header{margin-bottom:22px}
.blog-detail-cat-row{display:flex;align-items:center;gap:10px;margin-bottom:10px;flex-wrap:wrap}
.blog-detail-title{font-size:1.55rem;font-weight:800;color:#f0f2f8;line-height:1.3;letter-spacing:-.02em;margin-bottom:14px}
.blog-detail-meta-row{display:flex;align-items:center;gap:18px;font-size:.78rem;color:rgba(240,242,248,.4);flex-wrap:wrap}
.blog-detail-meta-row span{display:inline-flex;align-items:center;gap:5px}

.blog-detail-thumb{width:100%;max-height:420px;object-fit:cover;border-radius:14px;margin-bottom:24px;display:block}
.blog-detail-thumb-placeholder{width:100%;height:260px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,rgba(108,92,231,.12),rgba(162,155,254,.06));border-radius:14px;margin-bottom:24px;color:rgba(162,155,254,.4);font-size:3rem}

/* Content */
.blog-detail-content{color:rgba(240,242,248,.82);line-height:1.8;font-size:.93rem}
.blog-detail-content h1,.blog-detail-content h2,.blog-detail-content h3{color:#f0f2f8;font-weight:700;margin:22px 0 10px}
.blog-detail-content h2{font-size:1.15rem}
.blog-detail-content h3{font-size:1rem}
.blog-detail-content p{margin:0 0 12px}
.blog-detail-content img{max-width:100%;border-radius:10px;margin:10px 0}
.blog-detail-content a{color:#a29bfe;text-decoration:underline}
.blog-detail-content blockquote{border-left:3px solid rgba(108,92,231,.5);padding:10px 16px;margin:14px 0;background:rgba(108,92,231,.07);border-radius:0 8px 8px 0;color:rgba(240,242,248,.65)}
.blog-detail-content ul,.blog-detail-content ol{padding-left:20px;margin:0 0 12px}
.blog-detail-content li{margin-bottom:4px}
.blog-detail-content code{background:rgba(255,255,255,.08);padding:2px 6px;border-radius:5px;font-family:monospace;font-size:.85em}
.blog-detail-content pre{background:rgba(0,0,0,.4);padding:14px;border-radius:10px;overflow-x:auto;margin:12px 0}
.blog-detail-content pre code{background:none;padding:0}

/* Action bar */
.blog-action-bar{display:flex;align-items:center;gap:12px;padding:16px 0;border-top:1px solid rgba(255,255,255,.07);border-bottom:1px solid rgba(255,255,255,.07);margin:22px 0}
.blog-action-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 18px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:rgba(240,242,248,.6);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit}
.blog-action-btn.liked,.blog-action-btn:hover{background:rgba(255,77,106,.15);border-color:rgba(255,77,106,.35);color:#ff4d6a}
.blog-action-btn.liked i{color:#ff4d6a}
.blog-action-btn-view{cursor:default}
.blog-action-btn-view:hover{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:rgba(240,242,248,.6)}
.blog-share-btn{display:inline-flex;align-items:center;gap:7px;padding:8px 18px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:rgba(240,242,248,.6);font-size:.82rem;font-weight:600;cursor:pointer;transition:all .2s;font-family:inherit;margin-left:auto}
.blog-share-btn:hover{background:rgba(99,179,237,.12);border-color:rgba(99,179,237,.3);color:#63b3ed}

/* ── Comments ── */
.blog-comments-section{margin-top:28px}
.blog-comments-title{font-size:1rem;font-weight:700;color:#f0f2f8;display:flex;align-items:center;gap:8px;margin-bottom:16px}
.blog-comments-title .bc-count{background:rgba(108,92,231,.2);color:#a29bfe;border-radius:20px;padding:2px 9px;font-size:.72rem;font-weight:700}

.blog-comment-form{background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:16px;margin-bottom:20px}
.blog-comment-form textarea{width:100%;background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:10px;padding:10px 12px;color:#f0f2f8;font-size:16px;font-family:inherit;resize:vertical;min-height:80px;outline:none;transition:border-color .18s;box-sizing:border-box}
.blog-comment-form textarea:focus{border-color:rgba(108,92,231,.4)}
.blog-comment-form-foot{display:flex;align-items:center;justify-content:flex-end;margin-top:10px;gap:10px}
.blog-comment-submit{padding:8px 20px;border-radius:20px;border:none;background:linear-gradient(135deg,#6c5ce7,#a29bfe);color:#fff;font-size:.82rem;font-weight:700;cursor:pointer;font-family:inherit;transition:opacity .18s}
.blog-comment-submit:hover{opacity:.85}
.blog-comment-login-hint{font-size:.78rem;color:rgba(240,242,248,.38)}
.blog-comment-login-hint a{color:#a29bfe;text-decoration:none}

.blog-comment-list{display:flex;flex-direction:column;gap:14px}
.blog-comment-item{display:flex;gap:12px;align-items:flex-start}
.blog-comment-avatar{width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,#6c5ce7,#a29bfe);display:flex;align-items:center;justify-content:center;font-weight:800;font-size:.85rem;color:#fff;flex-shrink:0;text-transform:uppercase}
.blog-comment-body{flex:1}
.blog-comment-user{font-size:.8rem;font-weight:700;color:#f0f2f8}
.blog-comment-date{font-size:.7rem;color:rgba(240,242,248,.35);margin-left:8px}
.blog-comment-text{font-size:.83rem;color:rgba(240,242,248,.7);line-height:1.5;margin-top:4px}
.blog-comment-empty{text-align:center;padding:30px;color:rgba(240,242,248,.3);font-size:.82rem}

/* Load more */
.blog-load-more{display:block;width:100%;max-width:260px;margin:24px auto 0;padding:10px;border-radius:20px;border:1px solid rgba(255,255,255,.1);background:rgba(255,255,255,.04);color:rgba(240,242,248,.6);font-size:.82rem;font-weight:600;cursor:pointer;text-align:center;text-decoration:none;transition:all .2s;font-family:inherit}
.blog-load-more:hover{border-color:rgba(108,92,231,.35);color:#a29bfe;background:rgba(108,92,231,.08)}

/* ── Mobile responsive ── */
@media(max-width:600px){
  .blog-grid{grid-template-columns:1fr}
  .blog-detail-title{font-size:1.2rem}
  .blog-filterbar{gap:7px}
  .blog-action-bar{flex-wrap:wrap;gap:8px}
  .blog-share-btn{margin-left:0}
}
@media(hover:none){
  .blog-card:hover{transform:none;box-shadow:none;border-color:rgba(255,255,255,.07)}
  .blog-tab-btn:hover{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:rgba(240,242,248,.6)}
  .blog-action-btn:hover:not(.liked){background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.1);color:rgba(240,242,248,.6)}
  .blog-detail-back:hover{color:rgba(240,242,248,.45)}
}