/* assets/css/blog.css
   Lightweight, responsive blog grid + cards + search/sort/pagination styles
   Works well with Bootstrap-based site. */

/* --- Variables --- */
:root{
  --max-width:1100px;
  --gap:16px;
  --bg:#f7f7f7;
  --card-bg:#ffffff;
  --muted:#6b7280;
  --accent:#0073e6;
  --radius:10px;
  --shadow:0 6px 18px rgba(12,15,25,0.06);
  --text:#111827;
  --transition:200ms ease;
}

/* --- Reset / container --- */
*{box-sizing:border-box}
html,body{height:100%}
body{
  padding: 85px;
  margin:0;
  font-family:system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial;
  line-height:1.5;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}
.container{
  max-width:var(--max-width);
  margin:0 auto;
  padding:20px;
}

/* --- Header controls --- */
.blog-header{
  display:flex;
  gap:12px;
  align-items:center;
  justify-content:space-between;
  margin-bottom:18px;
  flex-wrap:wrap;
}
.blog-title{font-size:1.5rem;margin:0;color:var(--text)}
.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.controls .search{
  display:flex;
  align-items:center;
  gap:8px;
}
input[type="search"], select{
  padding:8px 10px;
  border-radius:8px;
  border:1px solid #e5e7eb;
  background:#fff;
  min-width:180px;
  outline:none;
  transition:box-shadow var(--transition),border-color var(--transition);
}
input[type="search"]:focus, select:focus{box-shadow:0 4px 14px rgba(2,6,23,0.06);border-color:var(--accent)}

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

/* --- Card --- */
.card{
  background:var(--card-bg);
  border-radius:var(--radius);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  box-shadow:var(--shadow);
  transition:transform var(--transition),box-shadow var(--transition);
  min-height:220px;
}
.card:hover{transform:translateY(-6px);box-shadow:0 12px 30px rgba(12,15,25,0.09)}
.card .thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  display:block;
  background:#f1f5f9;
}
.card-content{
  padding:14px;
  display:flex;
  flex-direction:column;
  gap:8px;
  flex:1;
}
.meta{font-size:0.85rem;color:var(--muted)}
.card h3{margin:0;font-size:1.05rem;line-height:1.25}
.card p.excerpt{margin:0;color:#2b2b2b;font-size:0.95rem;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}

/* read more link */
.read-more{
  margin-top:auto;
  text-decoration:none;
  color:var(--accent);
  font-weight:600;
  font-size:0.95rem;
}

/* --- Empty & error --- */
.empty{
  padding:36px;
  background:var(--card-bg);
  border-radius:10px;
  text-align:center;
  box-shadow:var(--shadow);
  color:var(--muted);
}

/* --- Pagination --- */
.pagination{
  display:flex;
  gap:8px;
  justify-content:center;
  margin-top:18px;
  align-items:center;
}
.btn{
  padding:8px 12px;
  border-radius:8px;
  border:1px solid #e5e7eb;
  background:#fff;
  cursor:pointer;
  transition:all var(--transition);
}
.btn[disabled]{opacity:.5;cursor:not-allowed}
#pageInfo{font-size:0.95rem;color:var(--muted)}

/* --- Responsive tweaks --- */
@media (max-width:800px){
  .blog-header{gap:10px}
  input[type="search"]{min-width:140px}
  .container{padding:16px}
}
@media (max-width:480px){
  .blog-title{font-size:1.15rem}
  .card p.excerpt{-webkit-line-clamp:2}
}

/* --- Accessibility / print --- */
a{color:inherit}
a:focus{outline:3px solid rgba(0,115,230,0.12);outline-offset:2px}

/* --- Utility --- */
.sr-only{position:absolute!important;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}