:root{
  --bg:#0b0b0d;
  --card:#141419;
  --card-hover:#191a20;
  --text:#e9e9ef;
  --muted:#a5a6b1;
  --accent:#7c5cff;
  --accent-2:#26d6ff;
  --badge:#ff2853;
  --ring:rgba(124,92,255,.35);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 600px at 10% -10%, rgba(124,92,255,.08), transparent 35%),
              radial-gradient(1200px 600px at 110% 10%, rgba(38,214,255,.06), transparent 40%),
              var(--bg);
  color:var(--text);
  font-family:Inter,system-ui,Segoe UI,Roboto,Helvetica,Arial,sans-serif;
}

.header{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 20px; position:sticky; top:0; z-index:10;
  backdrop-filter: blur(6px);
  background:linear-gradient(to bottom, rgba(11,11,13,.85), rgba(11,11,13,.55) 70%, transparent);
  border-bottom:1px solid rgba(255,255,255,.06);
}
.logo{margin:0;font-size:20px;font-weight:800;letter-spacing:.2px}

.region-bar{display:flex;gap:8px;flex-wrap:wrap}
.region-btn{
  text-decoration:none; color:var(--text); font-weight:600; font-size:13px;
  border:1px solid rgba(255,255,255,.08);
  background:linear-gradient(180deg, #151521, #12121a);
  padding:7px 10px; border-radius:10px; transition:all .18s ease;
}
.region-btn:hover{transform:translateY(-1px); border-color:rgba(255,255,255,.18)}
.region-btn.active{
  border-color:var(--accent);
  box-shadow:0 0 0 3px var(--ring) inset;
}

.container{max-width:1200px;margin:24px auto;padding:0 16px}

.meta{display:flex;gap:8px;margin-bottom:12px;flex-wrap:wrap}
.meta-chip{
  font-size:12px;color:var(--muted);
  border:1px solid rgba(255,255,255,.08);
  background:#101017; padding:6px 10px; border-radius:999px;
  display: inline-flex;
  align-items: center;
}

.video-grid{
  display:grid;
  grid-template-columns:repeat(1, minmax(0,1fr));
  gap:14px;
}
@media(min-width:640px){ .video-grid{ grid-template-columns: repeat(2, minmax(0,1fr)); } }
@media(min-width:980px){ .video-grid{ grid-template-columns: repeat(3, minmax(0,1fr)); } }
@media(min-width:1280px){ .video-grid{ grid-template-columns: repeat(4, minmax(0,1fr)); } }

.video-card{
  position:relative; display:flex; flex-direction:column; gap:10px;
  background:linear-gradient(180deg, var(--card), #101017);
  border:1px solid rgba(255,255,255,.06);
  border-radius:14px; padding:10px; text-decoration:none; color:inherit;
  transition:transform .15s ease, border-color .15s ease, background .2s ease;
  overflow:hidden;
}
.video-card:hover{
  transform:translateY(-2px);
  border-color:rgba(255,255,255,.16);
  background:linear-gradient(180deg, var(--card-hover), #101017);
}

.rank-badge{
  position:absolute; top:10px; left:10px;
  background:linear-gradient(145deg, var(--badge), #ff5d7b);
  color:white; font-weight:800; font-size:14px; line-height:1;
  padding:6px 10px; border-radius:10px;
  box-shadow:0 6px 18px rgba(255,40,83,.25);
}

.thumb{
  width:100%; aspect-ratio:16/9; object-fit:cover;
  border-radius:10px; border:1px solid rgba(255,255,255,.06);
}

.info{display:flex;flex-direction:column;gap:6px}

.title {
  font-size:14px; font-weight:700; letter-spacing:.1px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}

.sub{font-size:12px; color:var(--muted); white-space:nowrap; overflow:hidden; text-overflow:ellipsis}

.empty,.error{
  padding:20px; text-align:center; color:var(--muted);
  border:1px dashed rgba(255,255,255,.12); border-radius:12px;
  background:rgba(0,0,0,.25)
}

.footer{
  margin:24px 0 40px; text-align:center; color:var(--muted); font-size:12px;
}

.footer-links {
  display: flex;
  justify-content: center;
  gap: 16px;
  margin-bottom: 8px;
}

.footer-links a {
  color: var(--muted);
  text-decoration: none;
  transition: color .2s ease;
}
.footer-links a:hover {
  color: var(--accent);
}

.refresh-button {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 6px;
  border: none;
  background-color: var(--accent);
  color: white;
  cursor: pointer;
  transition: background-color 0.2s ease;
}

.refresh-button:hover {
  background-color: var(--accent-2);
}