:root{
  --bg:#0f1724; /* deep navy */
  --card:#0b1220;
  --muted:#99a0b3;
  --accent:#7c5cff;
  --accent-2:#00d4ff;
  --glass: rgba(255,255,255,0.04);
  --glass-2: rgba(255,255,255,0.03);
  --radius:14px;
  --gap:18px;
  --max-width:1200px;
  --card-height:220px;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial;
}
*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: linear-gradient(180deg, #182339 0%, var(--bg) 55%, #070e1d 100%);
  color:#e6eef8;
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  padding:48px 18px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:flex-start;
  gap:24px;
  min-height:100vh;
}
.wrap{width:100%;max-width:var(--max-width);flex:1;display:flex;flex-direction:column;}
header{
  display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;gap:18px;flex-wrap:wrap;
}
.global-nav{display:flex;align-items:center;}
.global-nav .btn-outline{white-space:nowrap;}
.brand{display:flex;align-items:center;gap:14px}

.logo{
  width:56px;
  height:56px;
  border-radius:12px;
  background-color:#fffbe6;
  display:flex;
  align-items:center;
  justify-content:center;
  font-weight:700;
  font-size:20px;
  color:#021126;
  box-shadow:0 6px 24px rgba(7,10,20,0.6);
}
h1{margin:0;font-size:20px}
p.lead{margin:0;color:var(--muted);font-size:13px}

.controls{display:flex;gap:12px;align-items:center}
.search{
  background:var(--glass);border:1px solid var(--glass-2);padding:8px 12px;border-radius:10px;display:flex;align-items:center;gap:8px;
}
.search input{background:transparent;border:0;color:inherit;outline:none;width:220px}
.filter-btn{background:linear-gradient(180deg,rgba(255,255,255,0.02),transparent);border:1px solid rgba(255,255,255,0.03);padding:8px 12px;border-radius:10px;cursor:pointer}

main{
  display:block;
}
.grid{
  display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:var(--gap);
}
.card{
  height:var(--card-height);border-radius:var(--radius);overflow:hidden;position:relative;cursor:pointer;
  background:linear-gradient(180deg, rgba(255,255,255,0.02), rgba(255,255,255,0.01));border:1px solid rgba(255,255,255,0.04);
  display:flex;flex-direction:column;justify-content:space-between;padding:14px;transition:transform .22s cubic-bezier(.2,.9,.2,1),box-shadow .22s;
  box-shadow:0 6px 18px rgba(2,6,23,0.6);
  text-decoration:none;
}
.card:focus{outline:3px solid rgba(124,92,255,0.18)}
.card:hover{transform:translateY(-8px);box-shadow:0 18px 40px rgba(2,6,23,0.7)}
.card .meta{display:flex;justify-content:space-between;align-items:flex-start;gap:10px}
.title{
  font-weight:700;
  font-size:15px;
  margin:0;
  color:#ffd966;
  text-decoration:underline;
  text-decoration-color:#ffd966;
  text-decoration-thickness:2px;
  text-underline-offset:4px;
}
.desc{font-size:13px;color:var(--muted);margin-top:6px}
.thumb{position:absolute;right:12px;top:12px;width:88px;height:88px;border-radius:10px;overflow:hidden;box-shadow:0 8px 30px rgba(1,6,20,0.5);border:1px solid rgba(255,255,255,0.03)}
.thumb img{width:100%;height:100%;object-fit:cover;display:block}
.tags{display:flex;gap:8px;flex-wrap:wrap}
.tag{font-size:11px;background:rgba(255,255,255,0.02);padding:6px 8px;border-radius:999px;border:1px solid rgba(255,255,255,0.03);color:var(--muted)}

.card .cta{display:flex;align-items:center;gap:10px;justify-content:space-between}
.play{background:linear-gradient(90deg,var(--accent),var(--accent-2));color:#021126;padding:8px 12px;border-radius:10px;font-weight:700;border:none;cursor:pointer}
.meta-left{max-width:60%}

/* featured big card */
.hero{min-height:320px;display:flex;padding:22px;align-items:center;gap:24px;margin-bottom:18px;border-radius:18px;background:linear-gradient(90deg, rgba(124,92,255,0.12), rgba(0,212,255,0.06));border:1px solid rgba(255,255,255,0.03)}
.hero .hero-info{flex:1}
.hero-media{width:320px;max-width:40%;}
.hero-media-frame{border-radius:12px;overflow:hidden;border:1px solid rgba(255,255,255,0.04);box-shadow:0 10px 30px rgba(1,6,20,0.5)}
.hero-media-img{width:100%;height:200px;object-fit:cover;display:block;}
.hero h2{margin:0;font-size:22px}
.hero p{margin:8px 0 0;color:var(--muted)}
.hero .hero-cta{display:flex;gap:12px;margin-top:18px;flex-wrap:wrap;}

.btn-outline{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  padding:8px 14px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.12);
  color:#e6eef8;
  text-decoration:none;
  background:linear-gradient(90deg, rgba(124,92,255,0.08), rgba(0,212,255,0.04));
  box-shadow:0 4px 14px rgba(2,6,23,0.35);
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.btn-outline:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(2,6,23,0.45);
  border-color:rgba(0,212,255,0.4);
  color:#9bdfff;
}

/* empty state */
.empty{padding:48px;border-radius:12px;background:var(--glass);text-align:center;color:var(--muted)}

/* responsive tweaks */
@media (max-width:680px){
  .search input{width:120px}
  body{padding:18px}
  header{flex-direction:column;align-items:flex-start;gap:12px}
  .global-nav{width:100%}
  .global-nav .btn-outline{width:100%;justify-content:center;}
  .thumb{display:none}
  .hero{flex-direction:column;align-items:flex-start;min-height:auto;padding:18px}
  .hero-media{width:100%;max-width:none;}
  .hero-media-frame{width:100%;}
  .hero-media-img{height:auto;max-height:240px;}
  .meta-left{max-width:100%;}
  .card{height:auto;min-height:0;}
  .card .cta{flex-direction:column;align-items:flex-start;gap:12px;}
}

@media (max-width:420px){
  body{padding:16px 14px;}
  h1{font-size:18px;}
  .logo{width:48px;height:48px;}
  .hero{padding:16px;}
  .hero-cta{width:100%;}
  .hero-cta .play{width:100%;}
  .btn-outline{width:100%;justify-content:center;}
  .grid{grid-template-columns:1fr;}
}

/* subtle animated gradient border */
.card::before{content:'';position:absolute;inset:0;border-radius:var(--radius);padding:2px;background:linear-gradient(90deg,transparent, rgba(255,255,255,0.02));-webkit-mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);mask:linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);pointer-events:none;opacity:0}
.card:hover::before{opacity:1}
footer{
  margin-top:auto;
  width:100%;
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:24px 18px 32px;
  background:var(--glass);
  text-align:center;
}

footer nav ul{
  list-style:none;
  display:flex;
  flex-wrap:wrap;
  gap:18px;
  margin:0;
  padding:0;
}

footer nav a{
  color:#e6eef8;
  text-decoration:none;
}

footer nav a:hover{color:var(--accent-2);}

footer small{color:var(--muted);}