:root {
  --bg: #040510;
  --panel: rgba(255, 255, 255, 0.04);
  --glass: rgba(255, 255, 255, 0.06);
  --stroke: rgba(255, 255, 255, 0.16);
  --accent: #5cf3f2;
  --accent2: #ab7bff;
  --text: rgba(255, 255, 255, 0.94);
  --muted: rgba(255, 255, 255, 0.7);
  --muted2: rgba(255, 255, 255, 0.55);
  --shadow: 0 16px 60px rgba(0, 0, 0, 0.6);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  padding: 0;
  font-family: "Assistant", "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 800px at 90% 0%, rgba(91, 243, 242, 0.18), transparent 60%),
    radial-gradient(900px 700px at 10% 10%, rgba(171, 123, 255, 0.15), transparent 60%),
    linear-gradient(180deg, #05060f, #0a0c16 45%, #040510);
  color: var(--text);
  min-height: 100vh;
  overflow-x: hidden;
}

.wrap { max-width: 1200px; margin: 0 auto; padding: 24px 14px 90px; }

.header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.03));
  border-radius: 16px;
  position: sticky;
  top: 12px;
  z-index: 20;
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.brand { display: flex; align-items: center; gap: 10px; }
.logo-dot {
  width: 14px; height: 14px; border-radius: 999px;
  background: radial-gradient(circle at 30% 30%, #fff, rgba(255,255,255,.3) 30%, var(--accent2) 60%, #5cf3f2 90%);
  box-shadow: 0 0 16px rgba(171, 123, 255, 0.8), 0 0 22px rgba(92, 243, 242, 0.4);
}

h1 { margin: 0; font-size: 18px; letter-spacing: .2px; }
small { color: var(--muted2); }

.btn {
  border: 1px solid var(--stroke);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.08), rgba(255, 255, 255, 0.03));
  color: var(--text);
  padding: 10px 12px;
  border-radius: 12px;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  transition: transform .12s ease, border .12s ease, background .12s ease;
}
.btn:hover { transform: translateY(-1px); border-color: rgba(255, 255, 255, 0.26); }
.btn.primary { background: linear-gradient(135deg, rgba(171,123,255,.45), rgba(92,243,242,.35)); border-color: rgba(255,255,255,.24); box-shadow: 0 0 28px rgba(171,123,255,.2); }
.btn.ghost { background: transparent; }

.hero {
  margin-top: 16px;
  border: 1px solid var(--stroke);
  background: var(--panel);
  border-radius: 20px;
  padding: 24px 18px;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 12px;
  box-shadow: var(--shadow);
}

.eyebrow { text-transform: uppercase; letter-spacing: 1.4px; font-size: 12px; color: var(--muted2); margin: 0 0 6px; }
.lede { color: var(--muted); line-height: 1.7; margin: 8px 0; }
.hero-badges { display: flex; gap: 8px; flex-wrap: wrap; }
.hero-badges span { padding: 6px 10px; border-radius: 999px; background: rgba(255,255,255,.08); border: 1px solid var(--stroke); color: var(--muted); font-size: 12px; }
.hero-panel { background: rgba(255,255,255,.04); border: 1px solid var(--stroke); border-radius: 16px; padding: 10px; }

.master-controls { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px,1fr)); gap: 10px; margin-top: 10px; }
.slider-label { display: grid; gap: 4px; font-size: 13px; color: var(--muted); }
.slider-label input[type=range] { width: 100%; accent-color: var(--accent2); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px,1fr)); gap: 14px; margin-top: 18px; }
.deck { border: 1px solid var(--stroke); background: rgba(255,255,255,.04); border-radius: 18px; padding: 16px; box-shadow: var(--shadow); }
.deck header h3 { margin: 2px 0 6px; }

.track-loader { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.file { position: relative; overflow: hidden; border: 1px dashed var(--stroke); padding: 8px 10px; border-radius: 12px; cursor: pointer; color: var(--muted); }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.meta { color: var(--muted); font-size: 12px; }

.transport { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin: 12px 0; }
.switch { position: relative; display: inline-flex; align-items: center; gap: 6px; color: var(--muted); font-size: 13px; }
.switch input { display: none; }
.switch span { width: 42px; height: 22px; border-radius: 999px; background: rgba(255,255,255,.16); position: relative; transition: background .2s; }
.switch span::after { content:""; position: absolute; top: 3px; right: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .2s ease; }
.switch input:checked + span { background: linear-gradient(135deg, rgba(171,123,255,.5), rgba(92,243,242,.5)); }
.switch input:checked + span::after { transform: translateX(-18px); }

.tone-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(180px,1fr)); gap: 8px; }
.wave { height: 10px; border-radius: 999px; background: rgba(255,255,255,.08); overflow: hidden; margin-top: 12px; }
.progress { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); transition: width .12s linear; }

.xfade { margin-top: 14px; border: 1px solid var(--stroke); background: rgba(255,255,255,.04); border-radius: 18px; padding: 12px 14px; box-shadow: var(--shadow); }
.xfade-body { display: grid; grid-template-columns: 30px 1fr 30px; align-items: center; gap: 8px; }
.xfade-help { color: var(--muted2); font-size: 12px; margin-top: 6px; }

.footer-grid { margin-top: 22px; border: 1px solid var(--stroke); background: rgba(255,255,255,.04); border-radius: 18px; padding: 16px; display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 10px; box-shadow: var(--shadow); }
.footer-grid ul { padding-left: 18px; color: var(--muted); line-height: 1.6; }
.footer-grid p { color: var(--muted); line-height: 1.6; }
.timeline { display: grid; gap: 6px; color: var(--muted); }
.time { background: rgba(255,255,255,.05); border: 1px solid var(--stroke); padding: 6px 8px; border-radius: 10px; }
.bpm { background: rgba(255,255,255,.05); border: 1px solid var(--stroke); padding: 8px 10px; border-radius: 10px; display: flex; align-items: center; gap: 8px; }
.bpm input { width: 70px; background: transparent; border: 1px solid var(--stroke); color: var(--text); padding: 6px; border-radius: 8px; }
.bpm span { color: var(--muted2); font-size: 12px; }

.meter { background: rgba(255,255,255,.06); border: 1px solid var(--stroke); border-radius: 14px; padding: 8px; }
canvas { width: 100%; display: block; }

.actions { display: flex; gap: 10px; align-items: center; }

@media (max-width: 900px) {
  .hero { grid-template-columns: 1fr; }
  .header { flex-direction: column; align-items: flex-start; }
}

@media (max-width: 540px) {
  .transport { flex-direction: column; align-items: stretch; }
  .actions { width: 100%; justify-content: space-between; }
}