:root{
  --bg:#05070a;
  --panel:#081018cc;
  --line:#19ff8a33;
  --text:#c9ffe6;
  --muted:#7debb9aa;
  --accent:#19ff8a;
  --accent2:#00c8ff;
  --danger:#ff3b6a;
  --shadow: 0 10px 30px #00000088;
  --radius:16px;
  --mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono","Courier New", monospace;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  background: radial-gradient(1200px 700px at 20% 10%, #072013aa, transparent 70%),
              radial-gradient(900px 600px at 70% 30%, #001a22aa, transparent 70%),
              var(--bg);
  color:var(--text);
  font-family: var(--mono);
}

.bg-grid{
  position:fixed; inset:0;
  background-image:
    linear-gradient(to right, #19ff8a10 1px, transparent 1px),
    linear-gradient(to bottom, #19ff8a10 1px, transparent 1px);
  background-size: 40px 40px;
  opacity:.25;
  pointer-events:none;
}

.topbar{
  position:sticky; top:0; z-index:10;
  display:flex; gap:18px; align-items:center; justify-content:space-between;
  padding:14px 16px;
  backdrop-filter: blur(10px);
  background: linear-gradient(180deg, #061018f0, #061018aa);
  border-bottom:1px solid var(--line);
}

.brand{display:flex; gap:12px; align-items:center}
.logo{
  width:40px; height:40px; border-radius:12px;
  display:grid; place-items:center;
  background:#0c1f18;
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  color: var(--accent);
  font-weight:700;
}
.title .h1{letter-spacing:2px; font-weight:800; font-size:14px}
.title .sub{font-size:12px; color:var(--muted)}

.controls{
  display:flex; gap:10px; align-items:end; flex-wrap:wrap;
}
.field{display:flex; flex-direction:column; gap:6px; min-width:160px}
label{font-size:11px; color:var(--muted)}
select{
  padding:10px 12px;
  border-radius:12px;
  background:#061018;
  color:var(--text);
  border:1px solid var(--line);
  outline:none;
}
.btn{
  padding:11px 14px;
  border-radius:12px;
  border:1px solid #19ff8a55;
  background: linear-gradient(180deg, #0b1f17, #07160f);
  color: var(--accent);
  cursor:pointer;
  box-shadow: var(--shadow);
  text-decoration:none;
  display:inline-block;
}
.btn:hover{filter:brightness(1.1)}

.main{
  display:grid;
  grid-template-columns: 1fr 320px;
  gap:14px;
  padding:14px;
}
@media (max-width: 980px){
  .main{grid-template-columns: 1fr}
}

.playerWrap{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.playerHeader{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between; gap:12px;
}
.nowPlaying{font-size:12px; color:var(--text)}
.meta{display:flex; gap:8px; flex-wrap:wrap}
.tag{
  font-size:11px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color:var(--muted);
  background:#061018aa;
}

.playerFrame{
  position:relative;
  width:100%;
  aspect-ratio: 16 / 9;
  background:#000;
}
.playerFrame iframe, .playerFrame video{
  position:absolute; inset:0;
  width:100%; height:100%;
  border:0;
}

.placeholder{
  position:absolute; inset:0;
  display:grid; place-items:center;
  text-align:center;
  padding:18px;
}
.placeholder .big{
  color:var(--accent);
  font-weight:900;
  letter-spacing:2px;
}
.placeholder .small{
  margin-top:8px;
  color:var(--muted);
  font-size:12px;
}

.footerNote{
  padding:10px 14px;
  border-top:1px solid var(--line);
  color:var(--muted);
  font-size:11px;
}

.side{display:flex; flex-direction:column; gap:14px}
.card{
  background: var(--panel);
  border:1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}
.cardTitle{
  padding:12px 14px;
  border-bottom:1px solid var(--line);
  color:var(--accent2);
  font-weight:800;
  font-size:12px;
  letter-spacing:1px;
}
.cardBody{
  padding:12px 14px;
  color:var(--muted);
  font-size:12px;
}
.cardBody code{color:var(--text)}
.cardBody ul{margin:0; padding-left:18px}