:root {
  --bg: #0d1311;
  --panel: #141c19;
  --panel2: #1b2521;
  --line: #26332e;
  --text: #e8efe9;
  --muted: #8fa39a;
  --gold: #d4a94a;
  --green: #2fb58a;
  --red: #e5484d;
  --wave: #2fb58a;
  --wave2: #d4a94a;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: radial-gradient(1200px 500px at 10% -10%, #17322a 0%, transparent 60%), var(--bg);
  color: var(--text);
  font: 14px/1.45 Inter, 'Hind Siliguri', system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  min-height: 100vh;
}
.bn { font-family: 'Hind Siliguri', Inter, system-ui, sans-serif; }
i.bn { font-style: normal; opacity: .75; font-size: .85em; }
h1, h2, h3 { margin: 0; font-weight: 700; }
h2 { font-size: 15px; display: flex; gap: 8px; align-items: baseline; flex-wrap: wrap; }
h2 .bn, h3 .bn { font-weight: 400; color: var(--muted); font-size: 13px; }
.muted { color: var(--muted); font-size: 12.5px; }
button, select, input { font: inherit; color: inherit; }

.top {
  display: flex; justify-content: space-between; align-items: center; gap: 12px;
  padding: 14px 20px; max-width: 1280px; margin: 0 auto;
}
.brand { display: flex; gap: 12px; align-items: center; }
.brand h1 { font-size: 19px; letter-spacing: .2px; }
.brand h1::first-letter { color: var(--gold); }
.brand p { margin: 0; color: var(--muted); font-size: 13px; }
.lic { display: flex; gap: 8px; align-items: center; }
.badge { padding: 4px 10px; border-radius: 99px; background: var(--panel2); border: 1px solid var(--line); font-size: 12px; color: var(--muted); white-space: nowrap; }
.badge.pro { color: #111; background: var(--gold); border-color: var(--gold); font-weight: 600; }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; min-width: 0; }
.card-h { display: flex; justify-content: space-between; align-items: center; gap: 10px; margin-bottom: 10px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; cursor: pointer;
  background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 8px 14px;
  transition: border-color .15s, background .15s;
}
.btn:hover { border-color: var(--green); }
.btn.small { padding: 5px 10px; font-size: 12.5px; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--green); border-color: var(--green); color: #06120d; font-weight: 600; }
.btn.primary:hover { filter: brightness(1.08); }
.btn:disabled { opacity: .5; cursor: default; }

.transport { max-width: 1280px; margin: 0 auto 14px; display: grid; grid-template-columns: 1fr auto; gap: 12px 18px; align-items: center; margin-inline: 20px; }
@media (min-width: 1321px) { .transport { margin-inline: auto; } }
.tbtns { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.tbtn {
  display: inline-flex; gap: 8px; align-items: center; cursor: pointer; padding: 10px 16px; border-radius: 12px;
  background: var(--panel2); border: 1px solid var(--line); font-weight: 600;
}
.tbtn:hover:not(:disabled) { border-color: var(--muted); }
.tbtn:disabled { opacity: .4; cursor: default; }
.tbtn.rec .dot { width: 12px; height: 12px; border-radius: 50%; background: var(--red); box-shadow: 0 0 0 3px rgba(229, 72, 77, .25); }
.tbtn.rec.live { border-color: var(--red); background: rgba(229, 72, 77, .12); }
.tbtn.rec.live .dot { animation: pulse 1s infinite; }
@keyframes pulse { 50% { opacity: .3; } }
.clock { font: 600 26px/1 ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; padding: 6px 14px; border-radius: 10px; background: #0a0f0d; border: 1px solid var(--line); min-width: 130px; text-align: center; }
.clock.live { color: var(--red); }
.tside { display: flex; gap: 14px; align-items: center; }
.pitch { width: 170px; text-align: center; }
.pitch .note { display: block; font: 700 26px/1 Inter, sans-serif; color: var(--gold); }
.pitch .cents { display: block; font-size: 12px; color: var(--muted); margin: 3px 0 5px; }
.cbar { position: relative; height: 6px; border-radius: 3px; background: linear-gradient(90deg, var(--red), var(--gold) 35%, var(--green) 50%, var(--gold) 65%, var(--red)); opacity: .8; }
.cbar i { position: absolute; top: -3px; width: 3px; height: 12px; background: #fff; left: 50%; transform: translateX(-50%); transition: left .08s; }
.cbar i.ok { box-shadow: 0 0 8px var(--green); }
.meters { display: grid; gap: 6px; font-size: 11px; color: var(--muted); }
.meters label { display: flex; gap: 6px; align-items: center; }
.meters canvas { width: 160px; height: 10px; border-radius: 3px; }
.trow { grid-column: 1 / -1; display: flex; gap: 16px; align-items: center; flex-wrap: wrap; border-top: 1px solid var(--line); padding-top: 10px; }
.chk { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; font-size: 13px; }
.chk .bn { color: var(--muted); }
.chk input { accent-color: var(--green); width: 16px; height: 16px; }
select, input[type=text], input:not([type]) {
  background: #0a0f0d; border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-width: 0; max-width: 100%;
}
#deviceSel { max-width: 260px; }

.layout { max-width: 1280px; margin: 0 auto; padding: 0 20px 20px; display: grid; gap: 14px; grid-template-columns: minmax(0, 1fr) 280px; }
.tracks { grid-column: 1; }
.presets { grid-column: 2; }
.rack { grid-column: 1 / -1; display: grid; gap: 14px; grid-template-columns: repeat(auto-fill, minmax(260px, 1fr)); }
.export { grid-column: 1 / -1; }

.track-list { display: grid; gap: 8px; }
.track { display: grid; grid-template-columns: 200px minmax(0, 1fr); gap: 10px; background: var(--panel2); border: 1px solid var(--line); border-radius: 10px; padding: 8px; }
.tctl { display: grid; gap: 6px; }
.tname { width: 100%; font-weight: 600; padding: 4px 7px !important; }
.tbtns-s { display: flex; gap: 4px; }
.mini { cursor: pointer; min-width: 30px; padding: 3px 7px; border-radius: 6px; border: 1px solid var(--line); background: #0a0f0d; font-size: 12px; font-weight: 700; color: var(--muted); }
.mini.on { background: var(--gold); color: #111; border-color: var(--gold); }
.mini.fxon { background: var(--green); border-color: var(--green); }
.mini.del { margin-left: auto; }
.mini.del:hover { color: var(--red); border-color: var(--red); }
.tv { display: grid; grid-template-columns: 30px 1fr; align-items: center; font-size: 11px; color: var(--muted); }
.lane { position: relative; min-height: 76px; border-radius: 8px; background: #0a0f0d; overflow: hidden; cursor: pointer; }
.lane canvas { position: absolute; inset: 0; width: 100%; height: 100%; }
.ph { position: absolute; top: 0; bottom: 0; width: 2px; background: #fff; opacity: .85; left: 0; pointer-events: none; }
.empty { color: var(--muted); text-align: center; padding: 26px 10px; border: 1px dashed var(--line); border-radius: 10px; margin: 0; }

.preset-list { display: grid; gap: 6px; }
.preset { text-align: left; cursor: pointer; padding: 9px 12px; border-radius: 10px; border: 1px solid var(--line); background: var(--panel2); font-weight: 600; display: flex; justify-content: space-between; gap: 8px; }
.preset .bn { font-weight: 400; color: var(--muted); font-size: 12.5px; }
.preset:hover, .preset.on { border-color: var(--gold); }
.preset.on { background: rgba(212, 169, 74, .1); }

.fx { transition: opacity .2s; }
.fx.off .ctl, .fx.off .sel-row { opacity: .45; }
.hint { margin: -4px 0 10px; color: var(--muted); font-size: 12.5px; }
.ctl { display: grid; grid-template-columns: 112px 1fr 62px; gap: 8px; align-items: center; margin: 7px 0; font-size: 12.5px; }
.ctl output { text-align: right; font-variant-numeric: tabular-nums; color: var(--gold); font-size: 12px; }
input[type=range] { width: 100%; accent-color: var(--green); min-width: 0; }
.sel-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; margin: 4px 0 8px; }
.sel-row label:not(.chk) { display: grid; gap: 3px; font-size: 12px; color: var(--muted); flex: 1 1 100px; }

.switch { position: relative; width: 38px; height: 22px; flex: none; }
.switch input { opacity: 0; width: 0; height: 0; position: absolute; }
.switch i { position: absolute; inset: 0; border-radius: 99px; background: var(--line); cursor: pointer; transition: background .15s; }
.switch i::after { content: ''; position: absolute; top: 3px; left: 3px; width: 16px; height: 16px; border-radius: 50%; background: #fff; transition: transform .15s; }
.switch input:checked + i { background: var(--green); }
.switch input:checked + i::after { transform: translateX(16px); }

.exp-grid { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) auto auto; gap: 12px; align-items: end; }
.exp-grid > label:not(.chk) { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
.progress { height: 6px; background: var(--line); border-radius: 3px; margin-top: 12px; overflow: hidden; }
.progress i { display: block; height: 100%; width: 0; background: var(--green); transition: width .2s; }

.foot { max-width: 1280px; margin: 0 auto; padding: 4px 20px 30px; color: var(--muted); font-size: 13px; }
.foot .en { display: block; margin-top: 4px; font-size: 12px; opacity: .8; }

dialog { background: var(--panel); color: var(--text); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; width: min(440px, calc(100vw - 32px)); }
dialog::backdrop { background: rgba(0, 0, 0, .6); }
dialog input { width: 100%; font: 600 16px ui-monospace, monospace; letter-spacing: 1px; text-transform: uppercase; padding: 10px !important; }
dialog h3 { margin-bottom: 6px; display: flex; gap: 8px; flex-wrap: wrap; align-items: baseline; }
.msg { min-height: 20px; font-size: 13px; }
.msg.ok { color: var(--green); }
.msg.err { color: var(--red); }
.dlg-btns { display: flex; justify-content: flex-end; gap: 8px; flex-wrap: wrap; }

.toast { position: fixed; left: 50%; bottom: 22px; transform: translateX(-50%); background: #0a0f0d; border: 1px solid var(--gold); padding: 10px 16px; border-radius: 10px; max-width: calc(100vw - 32px); z-index: 50; box-shadow: 0 10px 30px rgba(0, 0, 0, .5); font-family: 'Hind Siliguri', Inter, sans-serif; }

@media (max-width: 900px) {
  .layout { grid-template-columns: minmax(0, 1fr); padding: 0 16px 16px; }
  .tracks, .presets { grid-column: 1; }
  .preset-list { grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); }
  .transport { grid-template-columns: minmax(0, 1fr); margin-inline: 16px; }
  .top { padding: 12px 16px; }
  .foot { padding: 4px 16px 24px; }
  .exp-grid { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 560px) {
  .track { grid-template-columns: minmax(0, 1fr); }
  .tbtn span { font-size: 13px; }
  .tbtn { padding: 9px 12px; }
  .clock { font-size: 22px; min-width: 110px; }
  .tside { flex-wrap: wrap; }
  .ctl { grid-template-columns: 96px minmax(0, 1fr) 56px; }
  .brand p { font-size: 12px; }
  .top { flex-wrap: wrap; }
}