:root{
  --bg:#f5f6fa;
  --card:#ffffff;
  --text:#1b1f2a;
  --muted:#6b7280;
  --accent:#3f8cff;
  --shadow:0 4px 12px rgba(0,0,0,.08);
  --radius:14px;
  --head-overlap:40px;
  --foot-overlap:32px;
}

html,body{
  background:var(--bg);
  color:var(--text);
  margin:0;
  padding:0;
  font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Cantarell,Helvetica Neue,Arial,Noto Sans,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji,sans-serif;
}

.filters-bar{
  position:relative;
  z-index:10;
  pointer-events:auto;
  padding:12px 16px 6px;
  background:transparent;
}

.filters-inner{
  max-width:1100px;
  margin:0 auto;
  display:flex;
  gap:16px;
  justify-content:center;
  align-items:center;
  flex-wrap:wrap;
}

.filter{ display:block; }

.filter select{
  display:block !important;
  appearance:auto;
  background:#fff;
  color:var(--text);
  border:1px solid #d2d6e1;
  border-radius:10px;
  padding:8px 12px;
  min-width:200px;
  box-shadow:var(--shadow);
}

.card-grid{
  display:grid;
  gap:16px;
  grid-template-columns:1fr;
  padding:16px;
}

@media (min-width:640px){
  .card-grid{ grid-template-columns:repeat(2,minmax(0,1fr)); }
}
@media (min-width:1024px){
  .card-grid{ grid-template-columns:repeat(4,minmax(0,1fr)); }
}

.mui-card{
  position:relative;
  background:var(--card);
  color:var(--text);
  border:1px solid #e9ecf3;
  border-radius:var(--radius);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:block;
  min-height:260px;
}

.card-head,
.card-foot{
  position:absolute;
  left:0;
  right:0;
  z-index:2;
}

.card-head{
  top:0;
  padding:10px 14px 8px;
  font-size:18px;
  font-weight:800;
  letter-spacing:.2px;
}

.card-foot{
  bottom:0;
  padding:8px 14px 10px;
  display:flex;
  justify-content:flex-end;
  align-items:center;
}

.card-foot em{
  font-style:italic;
  font-size:12px;
  color:var(--muted);
}

.card-imgwrap{
  position:relative;
  display:block;
  padding:14px 14px;
  background:#fff;
}

.card-imgwrap img{
  max-width:100%;
  height:auto;
  display:block;
  margin:0 auto;
}

.empty{
  grid-column:1 / -1;
  padding:24px;
  text-align:center;
  color:var(--muted);
  border:1px dashed #d9deea;
  border-radius:var(--radius);
  background:#fff;
}