:root {
  --theme: #9b59b6;
  --bg-overlay: rgba(0,0,0,0.35);
  --text: #e8e8ea;
  --muted: #b9b9c2;
  --panel: rgba(15, 17, 21, 0.78);
  --card: rgba(18, 20, 25, 0.9);
  --border: rgba(255,255,255,0.08);
}

* { box-sizing: border-box; }
html, body {
  height: 100%;
  margin: 0;
  cursor: default;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Ubuntu, Cantarell, 'Helvetica Neue', Arial, sans-serif;
  color: var(--text);
  overflow: hidden;
  background: #0e0f13;
}

/* Background */
#bg { position: fixed; inset: 0; background-size: cover; background-position: center; z-index: 0; }
#bgVideo { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; display: none; }
#bgOverlay { position: absolute; inset: 0; background: var(--bg-overlay); }

/* Topbar */
.topbar {
  position: fixed; top: 20px; left: 50%; transform: translateX(-50%);
  width: min(1100px, 95vw);
  display: flex; align-items: center; justify-content: space-between;
  z-index: 5; backdrop-filter: blur(6px);
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 10px 14px;
  box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.brand { font-weight: 700; letter-spacing: .4px; color: #fff; }
.tabs { display: flex; gap: 8px; }
.tab-btn {
  background: transparent; color: var(--text); border: 1px solid var(--border);
  padding: 8px 12px; border-radius: 999px; cursor: pointer; transition: all .2s ease;
}
.tab-btn:hover { border-color: var(--theme); color: #fff; }
.tab-btn.active { background: var(--theme); border-color: var(--theme); color: #fff; }

/* Panels */
.content { position: fixed; top: 90px; left: 50%; transform: translateX(-50%); width: min(1100px, 95vw); z-index: 4; }
.panel {
  display: none; padding: 16px; background: var(--panel); border: 1px solid var(--border);
  border-radius: 16px; box-shadow: 0 10px 30px rgba(0,0,0,0.35); backdrop-filter: blur(6px);
}
.panel h2 { margin: 6px 6px 12px; font-size: 20px; font-weight: 700; color: #fff; }

/* Updates */
.updates-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); gap: 12px; }
.update-card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 12px; }
.update-card h3 { margin: 0 0 6px; font-size: 16px; }
.update-card .date { color: var(--muted); font-size: 12px; margin-bottom: 6px; }

/* Carousels */
.carousel { position: relative; overflow: hidden; }
.carousel-track {
  display: grid; grid-auto-flow: column; grid-auto-columns: 100%;
  transition: transform .4s ease; will-change: transform;
}
.carousel-card {
  display: grid; grid-template-columns: 120px 1fr; gap: 12px;
  background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 14px; margin: 4px; min-height: 140px;
}
.carousel-card .avatar {
  width: 120px; height: 120px; border-radius: 12px; background: #222; object-fit: cover; border: 1px solid var(--border);
}
.carousel-card .meta h3 { margin: 0 0 2px; font-size: 18px; }
.carousel-card .meta .role { color: var(--theme); font-weight: 600; margin-bottom: 6px; }
.carousel-controls { display: flex; align-items: center; justify-content: center; gap: 10px; padding: 8px 0 0; }
.carousel-prev, .carousel-next {
  background: transparent; color: var(--text); border: 1px solid var(--border); padding: 6px 10px; border-radius: 8px; cursor: pointer; transition: all .2s ease;
}
.carousel-prev:hover, .carousel-next:hover { border-color: var(--theme); }
.carousel-dots { display: flex; gap: 6px; }
.carousel-dot { width: 8px; height: 8px; border-radius: 999px; background: #6b6b76; transition: background .2s ease, transform .2s ease; }
.carousel-dot.active { background: var(--theme); transform: scale(1.2); }

/* Player */
.player {
  position: fixed; bottom: 80px; left: 50%; transform: translateX(-50%);
  width: min(1100px, 95vw); display: grid; grid-template-columns: 1fr auto auto;
  align-items: center; gap: 12px; z-index: 5; backdrop-filter: blur(6px);
  background: var(--panel); border: 1px solid var(--border); border-radius: 16px; padding: 10px 14px; box-shadow: 0 10px 30px rgba(0,0,0,0.35);
}
.track-meta #trackTitle { font-weight: 700; }
.track-meta #trackArtist { font-size: 12px; color: var(--muted); }
.controls button {
  background: var(--theme); color: #fff; border: none; padding: 8px 12px; border-radius: 10px; cursor: pointer; margin: 0 4px; transition: transform .06s ease;
}
.controls button:active { transform: translateY(1px); }
.volume input[type="range"] { width: 180px; }

/* Progress */
.progress-wrap { position: fixed; bottom: 20px; left: 50%; transform: translateX(-50%); width: min(1100px, 95vw); z-index: 5; }
.progress-bar {
  height: 10px; background: rgba(255,255,255,0.1); border-radius: 999px; overflow: hidden; backdrop-filter: blur(2px); border: 1px solid var(--border);
}
.progress-fill { height: 100%; width: 0%; background: var(--theme); transition: width .25s ease; }
.progress-text { display: flex; justify-content: space-between; font-size: 12px; color: var(--muted); margin-top: 6px; padding: 0 4px; }

/* Responsive */
@media (max-width: 760px) {
  .carousel-card { grid-template-columns: 1fr; text-align: center; }
  .carousel-card .avatar { margin: 0 auto; }
}

/* Perf toggle */
.no-blur .topbar, .no-blur .player, .no-blur .progress-bar, .no-blur .panel { backdrop-filter: none !important; }