:root{
  --bg:#f6f7fb;
  --card:#ffffff;
  --text:#111827;
  --muted:#6b7280;
  --line:#e5e7eb;
  --brand:#2563eb;
}

*{box-sizing:border-box}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial;
  background:var(--bg);
  color:var(--text);
}
a{text-decoration:none;color:inherit}
img{display:block}

.container{max-width:1020px;margin:0 auto;padding:16px}
@media (min-width:768px){ .container{padding:24px} }

/* top header */
.topbar{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:16px;
  padding:14px 16px;
  display:flex;
  flex-direction:column;
  gap:12px;
}
@media (min-width:768px){
  .topbar{flex-direction:row;align-items:center;justify-content:space-between}
}
.brand{display:flex;align-items:center;gap:10px}
.logo-img{
  width:38px;height:38px;border-radius:10px;
  object-fit:cover;border:1px solid var(--line);
  background:#f1f5f9;
}
.brand h1{margin:0;font-size:18px;font-weight:800}
.brand .sub{font-size:13px;color:var(--muted)}

.search input{
  width:100%;
  padding:10px 12px;
  border-radius:10px;
  border:1px solid var(--line);
  font-size:14px;
  background:#fff;
}
@media (min-width:768px){
  .search input{width:360px}
}
.search input:focus{outline:none;border-color:var(--brand)}

/* category section */
.section{
  margin-top:16px;
  border:1px solid var(--line);
  background:var(--card);
  border-radius:16px;
  overflow:hidden;
}
.section-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  background:#fbfbfd;
}
.section-title{
  margin:0;
  font-size:14px;
  font-weight:800;
  letter-spacing:.2px;
}
.section-count{
  font-size:12px;
  color:var(--muted);
}

/* apps list per category */
.grid{
  padding:12px;
  display:grid;
  grid-template-columns:1fr;
  gap:10px;
}
@media (min-width:600px){ .grid{grid-template-columns:repeat(2,1fr)} }
@media (min-width:900px){ .grid{grid-template-columns:repeat(3,1fr)} }

.card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  padding:12px;
  display:flex;
  align-items:center;
  gap:12px;
  transition:.15s;
}
.card:hover{border-color:var(--brand);transform:translateY(-1px)}

.icon{
  width:46px;height:46px;border-radius:12px;
  object-fit:cover;background:#f1f5f9;
  border:1px solid var(--line);
}

.meta{min-width:0}
.title{
  font-size:14.5px;font-weight:750;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}
.slug{
  font-size:12.5px;color:var(--muted);margin-top:3px;
  white-space:nowrap;overflow:hidden;text-overflow:ellipsis;
}

.empty{
  padding:14px;
  color:var(--muted);
  font-size:13px;
}
.footer-note{margin-top:18px;font-size:13px;color:var(--muted)}