:root {
[hidden] { display: none !important; }
  --bg: #0e0f13; --panel: #16181e; --line: #262a33; --text: #eceef2; --dim: #9aa1ad;
  --accent: #b500ff; --ok: #3ddc97; --warn: #ffb020;
  --r: 14px;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--bg); color: var(--text); font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
button, input, select { font: inherit; color: inherit; }
a { color: var(--text); }

.top { display: flex; align-items: center; justify-content: space-between; padding: 14px 20px; border-bottom: 1px solid var(--line); }
.brand { font-size: 18px; letter-spacing: .2px; display: flex; align-items: center; gap: 10px; }
.logo { width: 22px; height: 22px; border-radius: 6px; background: conic-gradient(from 200deg, #b500ff, #2f94f7, #00c37d, #ff690d, #b500ff); }
.who { color: var(--dim); font-size: 13px; }

main { max-width: 1060px; margin: 0 auto; padding: 20px 16px 40px; }
footer { color: var(--dim); font-size: 12px; text-align: center; padding: 20px; }

.drop { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 6px; min-height: 180px;
  border: 1.5px dashed #3a404c; border-radius: var(--r); background: var(--panel); cursor: pointer; padding: 24px; text-align: center; transition: border-color .15s, background .15s; }
.drop:hover, .drop.over { border-color: var(--accent); background: #1a1622; }
.drop-title { font-size: 18px; font-weight: 600; }
.drop-sub { color: var(--dim); font-size: 13px; max-width: 46ch; }

.library { margin-top: 18px; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; }
.lib-head { display: flex; gap: 10px; align-items: center; justify-content: space-between; flex-wrap: wrap; }
.lib-head h2 { font-size: 15px; margin: 0; }
.lib-head input { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; min-width: 200px; }
.lib-list { list-style: none; margin: 10px 0 0; padding: 0; max-height: 360px; overflow: auto; }
.lib-list li { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 9px 6px; border-top: 1px solid var(--line); }
.lib-list li:first-child { border-top: 0; }
.lib-list .n { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.lib-list .d { color: var(--dim); font-size: 12px; white-space: nowrap; }
.signin { color: var(--dim); text-align: center; }

.desk { display: grid; gap: 16px; }
.track, .controls, .presets, .export { background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 16px; }
.track-head { display: flex; justify-content: space-between; gap: 12px; align-items: flex-start; }
.track-head h1 { font-size: 19px; margin: 0; word-break: break-word; }
.facts { color: var(--dim); margin: 2px 0 0; font-size: 13px; }

.wave-wrap { position: relative; margin: 14px 0 10px; }
#wave { width: 100%; height: 120px; display: block; border-radius: 10px; background: #0b0c10; cursor: pointer; touch-action: none; }
.busy { position: absolute; left: 10px; bottom: 10px; right: 10px; display: flex; align-items: center; gap: 10px; font-size: 12px; color: var(--dim); pointer-events: none; }
.busy i { flex: 1; height: 3px; background: var(--line); border-radius: 3px; position: relative; overflow: hidden; }
.busy i::after { content: ""; position: absolute; inset: 0; width: var(--p, 0%); background: var(--accent); transition: width .2s; }

.transport { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.play { width: 46px; height: 46px; border-radius: 50%; border: 0; background: var(--accent); color: #fff; font-size: 17px; cursor: pointer; }
.time { font-variant-numeric: tabular-nums; color: var(--dim); min-width: 92px; }
.ab { display: inline-flex; background: var(--bg); border: 1px solid var(--line); border-radius: 999px; padding: 3px; }
.ab button { border: 0; background: transparent; padding: 6px 14px; border-radius: 999px; cursor: pointer; color: var(--dim); }
.ab button[aria-checked="true"] { background: var(--text); color: var(--bg); font-weight: 600; }
.check { display: inline-flex; gap: 6px; align-items: center; color: var(--dim); font-size: 13px; cursor: pointer; }

.meters { display: grid; grid-template-columns: repeat(4, 1fr); gap: 8px; margin-top: 14px; }
.meter { background: var(--bg); border-radius: 10px; padding: 8px 10px; display: flex; flex-direction: column; gap: 2px; }
.meter span { color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .5px; }
.meter b { font-size: 18px; font-variant-numeric: tabular-nums; }
.meter em { color: var(--dim); font-size: 11px; font-style: normal; }
.meter.live i { display: block; height: 8px; margin-top: 8px; border-radius: 4px; background: linear-gradient(90deg, var(--ok) 0 70%, var(--warn) 70% 90%, #ff4d4d 90%); clip-path: inset(0 calc(100% - var(--v, 0%)) 0 0); transition: clip-path .08s linear; }

.presets { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; }
.preset { text-align: left; background: var(--bg); border: 1.5px solid var(--line); border-radius: 12px; padding: 12px; cursor: pointer; display: flex; flex-direction: column; gap: 4px; min-height: 86px; }
.preset b { font-size: 15px; display: flex; align-items: center; gap: 8px; }
.preset b::before { content: ""; width: 10px; height: 10px; border-radius: 50%; background: var(--c); }
.preset span { color: var(--dim); font-size: 12px; }
.preset[aria-checked="true"] { border-color: var(--c); background: color-mix(in srgb, var(--c) 12%, var(--bg)); }

.controls { display: grid; gap: 14px; }
.row { display: grid; gap: 4px; }
.row label { display: flex; justify-content: space-between; font-size: 14px; }
.row output { color: var(--dim); font-variant-numeric: tabular-nums; }
.ends { display: flex; justify-content: space-between; color: var(--dim); font-size: 11px; }
input[type=range] { width: 100%; accent-color: var(--accent); height: 26px; }
.eq3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.advanced { border-top: 1px solid var(--line); padding-top: 12px; }
.advanced summary { cursor: pointer; font-weight: 600; }
.advanced h3 { font-size: 12px; text-transform: uppercase; letter-spacing: .6px; color: var(--dim); margin: 16px 0 6px; }
.advanced .row { margin-bottom: 10px; }
.tone { display: grid; grid-template-columns: repeat(6, 1fr); gap: 10px; }
.reference { border-top: 1px solid var(--line); padding-top: 12px; display: grid; gap: 8px; }
.reference span { color: var(--dim); font-size: 13px; }
.ref-actions { display: flex; gap: 8px; }

.export { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }
.primary { background: var(--accent); color: #fff; border: 0; border-radius: 12px; padding: 12px 18px; font-weight: 600; cursor: pointer; }
.ghost, .btn { background: transparent; border: 1px solid var(--line); border-radius: 12px; padding: 11px 16px; cursor: pointer; display: inline-block; }
.small { padding: 6px 12px; font-size: 13px; border-radius: 10px; }
.link { background: none; border: 0; color: var(--dim); text-decoration: underline; cursor: pointer; margin-top: 8px; }
button:disabled { opacity: .5; cursor: progress; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

@media (min-width: 900px) {
  .desk { grid-template-columns: 1.25fr 1fr; align-items: start; }
  .track { grid-column: 1 / -1; }
  .presets { grid-column: 1; grid-template-columns: repeat(2, 1fr); }
  .controls { grid-column: 2; grid-row: 2 / span 2; }
  .export { grid-column: 1; }
}
@media (max-width: 560px) {
  .presets { grid-template-columns: repeat(2, 1fr); }
  .meters { grid-template-columns: repeat(2, 1fr); }
  .eq3 { grid-template-columns: 1fr; }
  .tone { grid-template-columns: repeat(3, 1fr); }
  .export button { flex: 1; }
}

.session { grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 12px; display: flex; flex-wrap: wrap; gap: 10px; align-items: center; justify-content: space-between; }
.chips { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: var(--bg); border-radius: 999px; padding: 6px 12px; cursor: pointer; font-size: 13px; max-width: 220px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.chip[aria-current="true"] { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 15%, var(--bg)); }
.session-actions { display: flex; gap: 8px; flex-wrap: wrap; }

.music { grid-column: 1 / -1; background: var(--panel); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; display: grid; gap: 10px; }
.music-row { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.music select { background: var(--bg); border: 1px solid var(--line); border-radius: 10px; padding: 7px 10px; }
.dim { color: var(--dim); font-size: 13px; margin: 0; }