/* ===== BLOG: LISTING CARDS ===== */
.blog-grid{ display:grid; gap:22px; grid-template-columns:1fr; }
@media(min-width:640px){ .blog-grid{ grid-template-columns:repeat(2,1fr); } }
@media(min-width:960px){ .blog-grid{ grid-template-columns:repeat(3,1fr); } }

.blog-card{
  border:1px solid var(--line); border-radius:14px; overflow:hidden;
  background:var(--paper); display:flex; flex-direction:column;
  transition:transform .15s ease, box-shadow .15s ease;
}
.blog-card:hover{ transform:translateY(-4px); box-shadow:0 10px 30px rgba(20,25,35,0.08); }
.blog-card-cover{
  width:100%; aspect-ratio:16/9; object-fit:cover; background:var(--board);
}
.blog-card-body{ padding:18px 20px 22px; display:flex; flex-direction:column; flex:1; }
.blog-card-date{ font-family:'JetBrains Mono',monospace; font-size:0.75rem; color:#8a95a3; margin-bottom:8px; }
.blog-card-title{ font-size:1.08rem; margin-bottom:8px; line-height:1.4; }
.blog-card-excerpt{ font-size:0.88rem; color:#5b6b80; flex:1; margin-bottom:14px; }
.blog-card-link{ color:var(--red); font-weight:600; font-size:0.88rem; }

.blog-empty{ text-align:center; padding:60px 20px; color:#8a95a3; }

/* ===== BLOG: ARTICLE TYPOGRAPHY (matches editor output) ===== */
.article-body{ font-size:1.05rem; line-height:1.85; color:var(--ink); }
.article-body h1{
  /* আর্টিকেলের ভেতরে নিজস্ব H1 থাকলে (পোস্টের টাইটেলের সাথে ডুপ্লিকেট এড়াতে) H2-এর মতো ছোট করে দেখানো */
  font-family:'Space Grotesk',sans-serif; font-size:1.6rem; margin:38px 0 14px; font-weight:700;
}
.article-body h2{ font-family:'Space Grotesk',sans-serif; font-size:1.6rem; margin:38px 0 14px; }
.article-body h3{ font-family:'Space Grotesk',sans-serif; font-size:1.3rem; margin:30px 0 12px; }
.article-body h4{ font-family:'Space Grotesk',sans-serif; font-size:1.1rem; margin:24px 0 10px; }
.article-body p{ margin:0 0 18px; }
.article-body ul, .article-body ol{ margin:0 0 18px; padding-left:26px; }
.article-body li{ margin-bottom:8px; }
.article-body a{ color:var(--red); text-decoration:underline; }
.article-body blockquote{
  border-left:4px solid var(--red); background:rgba(225,91,63,0.06);
  padding:14px 20px; margin:22px 0; border-radius:0 8px 8px 0;
  font-style:italic; color:#3a4a5e;
}
.article-body pre{
  background:var(--board); color:var(--chalk); padding:16px 18px; border-radius:10px;
  overflow-x:auto; font-family:'JetBrains Mono',monospace; font-size:0.85rem; margin:22px 0;
}
.article-body code{ font-family:'JetBrains Mono',monospace; background:rgba(20,25,35,0.06); padding:2px 6px; border-radius:4px; font-size:0.88em; }
.article-body img{ max-width:100%; border-radius:10px; margin:22px 0; display:block; }
.article-body hr{ border:none; border-top:1px solid var(--line); margin:34px 0; }
.article-body table{ width:100%; border-collapse:collapse; margin:22px 0; font-size:0.92rem; }
.article-body th, .article-body td{ border:1px solid var(--line); padding:10px 14px; text-align:left; }
.article-body th{ background:var(--board); color:var(--chalk); font-weight:600; }
.article-body tr:nth-child(even) td{ background:rgba(20,25,35,0.02); }

/* MathJax/সমীকরণ যেন মোবাইলে পেজ ভেঙে না ফেলে সেজন্য */
.article-body{ max-width:100%; overflow-x:hidden; overflow-wrap:anywhere; word-break:break-word; }
.article-body *{ max-width:100%; overflow-wrap:anywhere; word-break:break-word; }
.article-body table{ table-layout:fixed; }
.article-body a{ word-break:break-all; }
.article-body mjx-container{
  max-width:100%; overflow-x:auto; overflow-y:hidden;
  -webkit-overflow-scrolling:touch;
}
.article-body mjx-container:not([display="true"]){ display:inline-block; vertical-align:middle; }

/* প্রতিটা প্রশ্ন/ধাপ (strong + সমীকরণ যুক্ত প্যারাগ্রাফ) একটা আলাদা কার্ডের মতো দেখানো */
.article-body p:has(strong){
  background:var(--paper); border:1px solid var(--line); border-left:3px solid var(--red);
  padding:18px 20px; border-radius:0 10px 10px 0; margin:0 0 16px;
}
/* বড় (display) সমীকরণকে হালকা হাইলাইট বক্সে বসানো, ধাপগুলো আলাদাভাবে চোখে পড়ার জন্য */
.article-body mjx-container[display="true"]{
  margin:14px 0; padding:14px 16px; background:rgba(34,52,92,0.035); border-radius:8px; display:block;
}
.article-body p:has(strong) mjx-container[display="true"]{
  background:rgba(34,52,92,0.05);
}
.article-body .ans{
  display:inline-block; margin-top:8px; padding:6px 16px; background:rgba(78,158,123,0.12);
  color:var(--green); border-radius:20px; font-weight:700;
}

.article-meta{ display:flex; gap:14px; align-items:center; color:#8a95a3; font-size:0.85rem; margin-bottom:30px; font-family:'JetBrains Mono',monospace; }

/* ===== SKELETON LOADER (blog.html প্রথম লোডে) ===== */
.skeleton-card{
  border-radius:14px; overflow:hidden; border:1px solid var(--line);
  height:300px; background:linear-gradient(90deg, #eee 25%, #f3f3f0 37%, #eee 63%);
  background-size:400% 100%; animation:skeleton-shimmer 1.4s ease infinite;
}
@keyframes skeleton-shimmer{ 0%{ background-position:100% 50%; } 100%{ background-position:0 50%; } }

/* ===== EDITOR ===== */
.editor-toolbar{
  display:flex; flex-wrap:wrap; gap:4px; padding:10px; border:1px solid var(--line);
  border-bottom:none; border-radius:12px 12px 0 0; background:#fafaf8; position:sticky; top:0; z-index:5;
}
.editor-toolbar button, .editor-toolbar select{
  border:1px solid transparent; background:none; padding:7px 10px; border-radius:6px;
  font-size:0.85rem; cursor:pointer; color:var(--ink); font-family:'Inter',sans-serif;
}
.editor-toolbar button:hover, .editor-toolbar select:hover{ background:rgba(20,25,35,0.06); }
.editor-toolbar button.active{ background:rgba(225,91,63,0.12); color:var(--red); }
.editor-toolbar .tb-sep{ width:1px; background:var(--line); margin:4px 4px; }

#editorContent{
  min-height:420px; border:1px solid var(--line); border-radius:0 0 12px 12px;
  padding:24px; font-size:1.05rem; line-height:1.85; outline:none; background:var(--paper);
}
#editorContent:focus{ box-shadow:0 0 0 3px rgba(225,91,63,0.12); }
#editorContent table{ width:100%; border-collapse:collapse; margin:16px 0; }
#editorContent th, #editorContent td{ border:1px solid var(--line); padding:8px 12px; min-width:60px; }
#editorContent th{ background:var(--board); color:var(--chalk); }
#editorContent blockquote{ border-left:4px solid var(--red); background:rgba(225,91,63,0.06); padding:12px 18px; margin:16px 0; }
#editorContent pre{ background:var(--board); color:var(--chalk); padding:14px; border-radius:8px; font-family:'JetBrains Mono',monospace; }
#editorContent img{ max-width:100%; border-radius:8px; }

.slug-preview{ font-family:'JetBrains Mono',monospace; font-size:0.85rem; color:#5b6b80; margin-top:6px; }
.slug-preview strong{ color:var(--red); }

.publish-status{ padding:12px 16px; border-radius:8px; font-size:0.88rem; margin-top:16px; display:none; }
.publish-status.success{ background:rgba(78,158,123,0.1); color:var(--green); display:block; }
.publish-status.error{ background:rgba(225,91,63,0.1); color:var(--red); display:block; }
.publish-status.loading{ background:rgba(20,25,35,0.06); color:#5b6b80; display:block; }

/* ===== HOMEPAGE BLOG SLIDER ===== */
.blog-slider-wrap{ overflow:hidden; border-radius:16px; border:1px solid var(--line); }
.blog-slider{ display:flex; transition:transform .5s ease; }
.blog-slide{ min-width:100%; }
.blog-slide a{ display:grid; grid-template-columns:1fr; text-decoration:none; color:inherit; }
@media(min-width:720px){ .blog-slide a{ grid-template-columns:1fr 1fr; align-items:center; } }
.blog-slide img, .blog-slide-cover-placeholder{ width:100%; aspect-ratio:16/9; object-fit:cover; display:block; }

/* প্রথমবার পেজ লোডের সময় স্লাইডের জায়গা আগে থেকেই রিজার্ভ রাখার জন্য (layout shift এড়াতে) */
.blog-slide-skeleton{
  width:100%; aspect-ratio:16/9;
  background:linear-gradient(90deg, #eee 25%, #f3f3f0 37%, #eee 63%);
  background-size:400% 100%; animation:skeleton-shimmer 1.4s ease infinite;
}
@media(min-width:720px){ .blog-slide-skeleton{ aspect-ratio:32/9; } }
.blog-slide-cover-placeholder, .blog-card-cover:empty{
  background:linear-gradient(135deg, var(--board) 0%, #22345C 60%, var(--red) 140%);
  position:relative;
}
.blog-slide-cover-placeholder::after, .blog-card-cover:empty::after{
  content:'সা'; position:absolute; inset:0; display:flex; align-items:center; justify-content:center;
  color:rgba(245,243,237,0.35); font-family:'Space Grotesk',sans-serif; font-size:2.4rem; font-weight:700;
}
.blog-slide-body{ padding:24px 30px; }
.blog-slide-badge{ display:inline-block; background:rgba(225,91,63,0.1); color:var(--red); font-size:0.75rem; font-weight:700; padding:4px 10px; border-radius:20px; margin-bottom:10px; font-family:'JetBrains Mono',monospace; }
.blog-slide-body h3{ font-size:1.3rem; margin-bottom:10px; line-height:1.4; }
.blog-slide-body p{ color:#5b6b80; font-size:0.95rem; }
.blog-slider-dots{ display:flex; justify-content:center; gap:8px; margin-top:14px; }
.slider-dot{ width:9px; height:9px; border-radius:50%; border:none; background:var(--line); cursor:pointer; padding:0; }
.slider-dot.active{ background:var(--red); }

/* ===== CATEGORY / LABEL FILTER CHIPS ===== */
.category-bar{ display:flex; flex-wrap:wrap; gap:10px; margin-bottom:30px; }
.cat-chip{ border:1px solid var(--line); background:var(--paper); padding:8px 16px; border-radius:20px; font-size:0.85rem; cursor:pointer; color:var(--ink); font-family:'Inter',sans-serif; }
.cat-chip.active{ background:var(--red); border-color:var(--red); color:#fff; }
.cat-chip:hover{ border-color:var(--red); }

.blog-card-views{ font-family:'JetBrains Mono',monospace; font-size:0.75rem; color:#8a95a3; margin-top:4px; }
.article-labels{ display:flex; flex-wrap:wrap; gap:8px; margin-bottom:20px; }
.article-label-tag{ background:var(--board); color:var(--chalk); font-size:0.78rem; padding:5px 12px; border-radius:20px; text-decoration:none; display:inline-block; }
.article-label-tag:hover{ background:var(--red); }

.draft-status{ font-size:0.8rem; color:#8a95a3; margin-left:12px; }

/* ===== HOMEPAGE CATEGORY MARQUEE ===== */
.category-marquee-wrap{
  overflow:hidden; margin-bottom:24px;
  -webkit-mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
  mask-image: linear-gradient(90deg, transparent, #000 8%, #000 92%, transparent);
}
.category-marquee{ display:flex; gap:12px; width:max-content; animation: marquee-scroll 30s linear infinite; }
.category-marquee:hover{ animation-play-state: paused; }
.category-marquee a.cat-chip{ text-decoration:none; white-space:nowrap; }
@keyframes marquee-scroll{ from{ transform:translateX(0); } to{ transform:translateX(-50%); } }