:root{
  --bg-start:#000000; --bg-mid:#0a1628; --bg-end:#1e3a8a; 
  --card-bg:rgba(255,255,255,0.08); --card-border:rgba(255,255,255,0.15);
  --text:#f1f5f9; --text-muted:#cbd5e1; --text-dim:#94a3b8;
  --accent:#3b82f6; --accent-hover:#2563eb; --max-w:1100px;
  --header-bg:linear-gradient(135deg, #000000 0%, #1e293b 50%, #1e40af 100%);
}
*{box-sizing:border-box}
body{
  font-family:Inter,ui-sans-serif,system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial; 
  margin:0; min-height:100vh; color:var(--text);
  background:linear-gradient(180deg, var(--bg-start) 0%, var(--bg-mid) 40%, var(--bg-end) 100%);
  background-attachment:fixed;
  transition:background 0.3s ease;
}
.wrap{max-width:var(--max-w);margin:0 auto;padding:0 16px}
.site-header{
  background:var(--header-bg);
  color:#fff;padding:40px 0;
  box-shadow:0 4px 20px rgba(0,0,0,0.3);
  position:relative;
  overflow:hidden;
}
.site-header::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(45deg, rgba(99,102,241,0.1), rgba(139,92,246,0.1));
  pointer-events:none;
}
.site-header .wrap{position:relative;z-index:1}
.site-header h1{margin:0;font-size:2rem;font-weight:700;text-shadow:0 2px 4px rgba(0,0,0,0.3)}
.lead{opacity:0.9;margin-top:8px;font-size:1.1rem}main.wrap{padding:30px 0}
.controls{
  display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:24px;
  background:rgba(255,255,255,0.08);padding:18px 24px;border-radius:12px;
  backdrop-filter:blur(15px);border:1px solid rgba(255,255,255,0.2);
  box-shadow:0 4px 16px rgba(0,0,0,0.3);
}
.controls .left{display:flex;gap:12px;align-items:center}
#search{
  padding:14px 18px;border-radius:10px;
  background:rgba(255,255,255,0.15);border:2px solid rgba(255,255,255,0.25);
  color:var(--text);min-width:250px;width:350px;
  backdrop-filter:blur(8px);transition:all 0.2s ease;
  font-size:1rem;font-weight:500;
}
#search::placeholder{color:var(--text-muted);opacity:0.8}
#search:focus{outline:none;border-color:var(--accent);background:rgba(255,255,255,0.2);transform:translateY(-1px);box-shadow:0 0 0 3px rgba(59,130,246,0.1)}
#sort{
  padding:14px 18px;border-radius:10px;
  background:rgba(255,255,255,0.15);border:2px solid rgba(255,255,255,0.25);
  color:var(--text);backdrop-filter:blur(8px);
  font-size:1rem;font-weight:500;cursor:pointer;
  transition:all 0.2s ease;
}
#sort:hover{background:rgba(255,255,255,0.2);border-color:rgba(255,255,255,0.3)}
#sort option{background:#1e293b;color:var(--text)}
.controls .right{color:var(--text-muted);font-size:1rem;font-weight:600}

.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;
  margin-bottom:30px;
}
.card{
  background:var(--card-bg);border-radius:16px;padding:20px;
  border:1px solid var(--card-border);
  backdrop-filter:blur(20px);
  box-shadow:0 8px 32px rgba(0,0,0,0.3);
  transition:all 0.3s ease;
  position:relative;overflow:hidden;
}
.card::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:linear-gradient(135deg, rgba(59,130,246,0.08), rgba(96,165,250,0.08));
  opacity:0;transition:opacity 0.3s ease;pointer-events:none;
}
.card:hover{transform:translateY(-4px);box-shadow:0 12px 40px rgba(0,0,0,0.4);border-color:rgba(255,255,255,0.2)}
.card:hover::before{opacity:1}
.card h3{margin:0 0 12px;font-size:1.2rem;color:var(--text);font-weight:600;position:relative;z-index:1}
.meta{font-size:0.95rem;color:var(--text-muted);margin-bottom:12px;position:relative;z-index:1}
.card a.btn{
  display:inline-block;padding:10px 16px;background:var(--accent);color:#fff;
  border-radius:10px;text-decoration:none;font-weight:500;
  transition:all 0.2s ease;position:relative;z-index:1;
}
.card a.btn:hover{background:var(--accent-hover);transform:translateY(-2px)}
.card p{margin:0 0 12px;color:var(--text-dim);position:relative;z-index:1}

.pager{text-align:center;margin:30px 0}
.btn{
  padding:14px 24px;border-radius:12px;
  background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.2);
  color:var(--text);cursor:pointer;font-weight:500;
  backdrop-filter:blur(10px);transition:all 0.3s ease;
}
.btn:hover{background:rgba(255,255,255,0.15);transform:translateY(-2px)}
#status{
  text-align:center;padding:20px;color:var(--text-muted);
  font-size:1.1rem;margin-bottom:20px;
}
.site-footer{
  border-top:1px solid rgba(255,255,255,0.1);padding:25px 0;
  background:rgba(0,0,0,0.2);backdrop-filter:blur(10px);
  margin-top:40px;
}
.site-footer .wrap{color:var(--text-dim)}

/* Scroll-triggered gradient enhancement */
body.scrolled{
  background:linear-gradient(180deg, var(--bg-start) 0%, var(--bg-mid) 20%, var(--bg-end) 60%, #1e40af 100%);
}

@media (max-width:768px){
  .controls{flex-direction:column;align-items:stretch;gap:12px}
  .controls .left{flex-direction:column;gap:8px}
  #search{width:100%;min-width:auto}
  .grid{grid-template-columns:1fr;gap:16px}
  .site-header h1{font-size:1.6rem}
}