:root {
  --bg: #030712;
  --panel: rgba(10, 17, 35, 0.85);
  --line: rgba(69, 195, 255, 0.25);
  --text: #e6f7ff;
  --muted: #9ab6c7;
  --blue: #2fd0ff;
  --blue-soft: rgba(47, 208, 255, 0.2);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: radial-gradient(circle at top, #07152b 0%, var(--bg) 48%, #01040b 100%);
  color: var(--text);
}

a { color: inherit; text-decoration: none; }
.container { width: min(1100px, calc(100% - 32px)); margin: 0 auto; }

header {
  padding: 24px 0;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  position: sticky;
  top: 0;
  backdrop-filter: blur(10px);
  background: rgba(3, 7, 18, 0.72);
  z-index: 5;
}

.brand {
  display: flex;
  align-items: center;
  gap: 14px;
  font-weight: 700;
  letter-spacing: 0.05em;
}

.mobius-ring {
  width: 42px;
  height: 42px;
  border-radius: 999px;
  border: 2px solid var(--blue);
  box-shadow: 0 0 30px rgba(47, 208, 255, 0.55), inset 0 0 18px rgba(47, 208, 255, 0.18);
  position: relative;
}
.mobius-ring::before,
.mobius-ring::after {
  content: "";
  position: absolute;
  inset: 8px;
  border-radius: 999px;
  border: 1px solid rgba(47, 208, 255, 0.5);
  transform: rotate(35deg);
}
.mobius-ring::after {
  inset: 12px;
  transform: rotate(-35deg);
}

.hero {
  padding: 48px 0 28px;
  display: grid;
  gap: 20px;
}

.hero h1, .title-row h1 {
  margin: 0;
  font-size: clamp(2rem, 4vw, 4rem);
  line-height: 0.98;
}

.hero p, .muted { color: var(--muted); }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 20px;
  box-shadow: 0 0 0 1px rgba(255,255,255,0.02), 0 18px 60px rgba(0, 0, 0, 0.35);
}

.grid {
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.card {
  padding: 18px;
}

.badge {
  display: inline-flex;
  gap: 8px;
  align-items: center;
  border: 1px solid var(--line);
  background: rgba(7, 21, 43, 0.75);
  color: var(--blue);
  padding: 6px 10px;
  border-radius: 999px;
  font-size: 0.85rem;
}

.loop-pulse {
  height: 160px;
  display: grid;
  place-items: center;
  position: relative;
  overflow: hidden;
}
.loop-pulse::before,
.loop-pulse::after {
  content: "";
  position: absolute;
  width: 170px;
  height: 90px;
  border: 2px solid rgba(47, 208, 255, 0.7);
  border-radius: 50%;
  animation: rotateLoop 7s linear infinite;
  box-shadow: 0 0 25px rgba(47, 208, 255, 0.3);
}
.loop-pulse::after {
  transform: rotate(90deg);
  animation-direction: reverse;
}
@keyframes rotateLoop { from { transform: rotate(0deg); } to { transform: rotate(360deg); } }

form {
  display: grid;
  gap: 14px;
}
input, select, textarea, button {
  width: 100%;
  border-radius: 14px;
  border: 1px solid rgba(255,255,255,0.08);
  background: rgba(255,255,255,0.03);
  color: var(--text);
  padding: 12px 14px;
  font: inherit;
}
button {
  background: linear-gradient(135deg, rgba(47, 208, 255, 0.25), rgba(47, 208, 255, 0.08));
  border: 1px solid rgba(47, 208, 255, 0.35);
  cursor: pointer;
  transition: transform 150ms ease, box-shadow 150ms ease;
}
button:hover { transform: translateY(-1px); box-shadow: 0 0 28px rgba(47, 208, 255, 0.18); }

.channel-list { display: grid; gap: 14px; }
.channel-item {
  padding: 16px;
  display: grid;
  gap: 10px;
}
.channel-item h3 { margin: 0; }
.small { font-size: 0.9rem; color: var(--muted); }
.player-shell {
  display: grid;
  gap: 20px;
  padding: 28px 0 44px;
}
.video-box, .audio-box {
  width: 100%;
  background: #000;
  border-radius: 18px;
  overflow: hidden;
  border: 1px solid var(--line);
}
video, audio { width: 100%; display: block; }
.schedule { display: grid; gap: 10px; }
.schedule-row {
  display: grid;
  grid-template-columns: 42px 1fr auto;
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  border-radius: 14px;
  background: rgba(255,255,255,0.03);
  border: 1px solid rgba(255,255,255,0.04);
}
.schedule-row.active { border-color: rgba(47, 208, 255, 0.5); box-shadow: 0 0 20px rgba(47, 208, 255, 0.12); }

footer { padding: 28px 0 50px; color: var(--muted); }
.hidden { display: none !important; }
.error { color: #ff8b8b; }
.success { color: #88ffbc; }