:root{
  --bg:#070711;
  --panel:#10101d;
  --panel-2:#15162a;
  --line:rgba(255,255,255,.11);
  --text:#f5f7ff;
  --muted:#9ba3be;
  --hot:#ff2da8;
  --blue:#42d3ff;
  --green:#61f2b0;
  --yellow:#ffce54;
  --danger:#ff4e6a;
  --shadow:0 24px 70px rgba(0,0,0,.42);
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family:Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color:var(--text);
  background:
    radial-gradient(circle at 10% -5%, rgba(66,211,255,.28), transparent 36%),
    radial-gradient(circle at 95% 5%, rgba(255,45,168,.24), transparent 34%),
    radial-gradient(circle at 50% 120%, rgba(97,242,176,.14), transparent 30%),
    var(--bg);
  overflow-x:hidden;
}

button,input,a{font:inherit}
button,.file-btn,.download{
  border:1px solid var(--line);
  color:var(--text);
  background:linear-gradient(180deg, rgba(255,255,255,.12), rgba(255,255,255,.04));
  border-radius:16px;
  padding:12px 16px;
  cursor:pointer;
  transition:.18s ease;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.08);
  text-decoration:none;
  text-align:center;
}
button:hover,.file-btn:hover,.download:hover{transform:translateY(-1px);border-color:rgba(255,255,255,.22)}
button:active,.file-btn:active{transform:translateY(1px) scale(.99)}
.primary{background:linear-gradient(135deg,var(--blue),#7b61ff); color:#03030a; border:0; font-weight:800}
.danger{background:linear-gradient(135deg,var(--danger),var(--hot)); color:#fff; border:0; font-weight:800}
.play{background:linear-gradient(135deg,var(--green),var(--blue)); color:#02120b; border:0; font-weight:900}
.ghost{background:rgba(255,255,255,.05)}
.hidden{display:none!important}

.app-shell{
  width:min(1720px,100%);
  margin:0 auto;
  padding:22px;
}

.topbar{
  min-height:82px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-bottom:20px;
  padding:16px 18px;
  border:1px solid var(--line);
  border-radius:28px;
  background:rgba(8,8,18,.72);
  backdrop-filter:blur(20px);
  box-shadow:var(--shadow);
  position:sticky;
  top:12px;
  z-index:10;
}

.brand{display:flex;align-items:center;gap:14px}
.logo-mark{
  width:54px;height:54px;border-radius:18px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--hot),var(--blue));
  color:#050610;
  font-weight:1000;
  letter-spacing:-.08em;
  box-shadow:0 16px 40px rgba(66,211,255,.22);
}
h1,h2,p{margin:0}
h1{font-size:22px;letter-spacing:-.04em}
.brand p,.help-panel p{color:var(--muted);font-size:13px;margin-top:4px}
.top-actions{display:flex;gap:10px;align-items:center}

.studio-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(280px,360px) minmax(0,1fr);
  gap:18px;
  align-items:start;
}

.deck,.mixer-card,.help-panel{
  border:1px solid var(--line);
  border-radius:30px;
  background:linear-gradient(180deg, rgba(255,255,255,.08), rgba(255,255,255,.035));
  box-shadow:var(--shadow);
  backdrop-filter:blur(18px);
}
.deck{padding:18px;overflow:hidden}
.deck-a{box-shadow:0 32px 90px rgba(66,211,255,.09), var(--shadow)}
.deck-b{box-shadow:0 32px 90px rgba(255,45,168,.09), var(--shadow)}
.deck-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-bottom:14px;
}
.deck-head h2{
  font-size:20px;
  line-height:1.1;
  max-width:380px;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}
.eyebrow{
  color:var(--blue);
  font-size:11px;
  letter-spacing:.18em;
  text-transform:uppercase;
  font-weight:900;
}
.deck-b .eyebrow{color:var(--hot)}
.file-btn{position:relative;overflow:hidden;min-width:92px}
.file-btn input{position:absolute;inset:0;opacity:0;cursor:pointer}

.waveform{
  width:100%;
  height:190px;
  border-radius:24px;
  background:
    linear-gradient(90deg, rgba(66,211,255,.16), rgba(255,45,168,.14)),
    rgba(0,0,0,.28);
  border:1px solid var(--line);
  display:block;
  cursor:crosshair;
}

.transport,.performance-row{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:10px;
  margin-top:14px;
}
.performance-row{grid-template-columns:repeat(5,1fr)}
.hotcue.is-set{border-color:var(--yellow); color:var(--yellow)}

.time-row{
  display:grid;
  grid-template-columns:54px minmax(0,1fr) 54px;
  gap:10px;
  align-items:center;
  color:var(--muted);
  font-variant-numeric:tabular-nums;
  margin:14px 0;
  font-size:13px;
}

.control-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:12px;
}
label{
  display:grid;
  gap:8px;
  color:#dce1f7;
  font-size:13px;
  font-weight:750;
}
label span{color:var(--muted);font-weight:700}

input[type="range"]{
  width:100%;
  accent-color:var(--blue);
}
.deck-b input[type="range"]{accent-color:var(--hot)}
.mixer input[type="range"]{accent-color:var(--green)}

.mixer-card{
  padding:18px;
  position:sticky;
  top:126px;
}
.mixer-card h2{font-size:24px;margin:4px 0 22px;letter-spacing:-.04em}
.crossfader-wrap{
  padding:18px;
  border-radius:24px;
  background:rgba(0,0,0,.22);
  border:1px solid var(--line);
}
.xfade-labels{
  display:flex;justify-content:space-between;align-items:center;
  margin-bottom:12px;
}
.xfade-labels span{
  width:34px;height:34px;border-radius:12px;
  display:grid;place-items:center;
  font-weight:1000;
  background:rgba(255,255,255,.08);
}
.xfade-labels strong{font-size:13px;color:var(--muted)}

.master-control{margin:18px 0}
.meters{
  display:grid;
  gap:10px;
  margin:18px 0;
}
.meters div{
  display:grid;
  grid-template-columns:22px 1fr;
  gap:10px;
  align-items:center;
  color:var(--muted);
  font-weight:900;
}
meter{
  width:100%;
  height:16px;
}
.tap-panel,.record-panel{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  align-items:center;
  margin-top:14px;
}
.tap-panel output{
  grid-column:1/-1;
  color:var(--green);
  font-size:28px;
  font-weight:1000;
  letter-spacing:-.06em;
}
.record-panel{grid-template-columns:1fr}
.status-box{
  margin-top:16px;
  padding:14px;
  border-radius:20px;
  background:rgba(255,255,255,.06);
  color:var(--muted);
  font-size:13px;
  line-height:1.5;
}

.help-panel{
  margin-top:18px;
  padding:14px 18px;
}
summary{cursor:pointer;font-weight:850;color:#fff}

@media (max-width:1180px){
  .studio-grid{grid-template-columns:1fr}
  .mixer-card{position:relative;top:auto;order:-1}
}
@media (max-width:700px){
  .app-shell{padding:12px}
  .topbar{position:relative;top:auto;align-items:flex-start;flex-direction:column;border-radius:22px}
  .top-actions{width:100%}
  .top-actions button{flex:1}
  .deck{padding:14px;border-radius:24px}
  .deck-head h2{font-size:17px;max-width:220px}
  .waveform{height:150px}
  .transport{grid-template-columns:1fr}
  .performance-row{grid-template-columns:repeat(2,1fr)}
  .control-grid{grid-template-columns:1fr}
}