/* FILTRE arranger. Colours are the device's own (ui.cpp palette, lid_ui.cpp). */
:root {
  --bg: #0f0d0a;
  --panel: #1a1713;
  --line: #2e2a24;
  --line2: #454036;
  --text: #f2e6d0;
  --dim: #8d867a;
  --amber: #ffb000;
  --hot: #ff4d2e;
  --teal: #30c8b0;
  --t1: #2fd6d6; --t2: #54d454; --t3: #e3d83a; --da: #f2e6d0; --db: #30c8b0; --dr: #ff6a4d;
  --mono: ui-monospace, "JetBrains Mono", "SF Mono", Menlo, Consolas, "DejaVu Sans Mono", monospace;
}
* { box-sizing: border-box; }
html { background: var(--bg); color: var(--text); font: 14px/1.4 var(--mono); }
body { margin: 0; padding: 0 16px 24px; }
h1, h2 { font: inherit; margin: 0; }
button, input { font: inherit; color: inherit; }
button {
  background: var(--panel); border: 1px solid var(--line2); border-radius: 4px;
  padding: 5px 10px; cursor: pointer; white-space: nowrap;
}
button:hover { border-color: var(--text); }
button:disabled { opacity: .4; cursor: default; border-color: var(--line2); }
button.primary { background: var(--amber); color: #1a1200; border-color: var(--amber); font-weight: 700; }
button.quiet { border-color: var(--line); color: var(--dim); }
button.quiet:hover { color: var(--text); }
input[type=text], input[type=number] {
  background: #000; border: 1px solid var(--line2); border-radius: 4px; padding: 5px 8px; min-width: 0;
}
input:focus-visible, button:focus-visible, .m:focus-visible { outline: 2px solid var(--amber); outline-offset: 1px; }
kbd, code { background: #000; border: 1px solid var(--line); border-radius: 3px; padding: 0 4px; }
.dim { color: var(--dim); }
.small { font-size: 12px; }
.grow { flex: 1; }

.top { display: flex; flex-wrap: wrap; gap: 10px 16px; align-items: center; padding: 14px 0 10px; }
.top h1 { font-size: 20px; font-weight: 800; letter-spacing: .08em; color: var(--amber); }
.top h1 span { color: var(--text); font-weight: 400; letter-spacing: 0; }
.name { flex: 1 1 220px; }
.files { display: flex; flex-wrap: wrap; gap: 6px; }

.notice { margin: 0 0 10px; padding: 8px 12px; border: 1px solid var(--amber); border-radius: 4px; color: var(--amber); background: #1d1600; }
.notice.bad { border-color: var(--hot); color: var(--hot); background: #1f0d08; }

.bar { display: flex; flex-wrap: wrap; gap: 8px 16px; align-items: center; padding: 6px 0; }
.play { min-width: 84px; }
.clock { font-size: 18px; font-variant-numeric: tabular-nums; min-width: 8ch; }
.tog { display: inline-flex; gap: 6px; align-items: center; cursor: pointer; }
.tog input { accent-color: var(--amber); }

.overview { display: block; width: 100%; height: 56px; background: #000; border: 1px solid var(--line); border-radius: 4px; cursor: pointer; }

.tempo { margin: 10px 0; border: 1px solid var(--line); border-radius: 4px; background: var(--panel); }
.tempo summary { padding: 7px 12px; cursor: pointer; }
.tempoRow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; padding: 4px 12px 8px; }
.tempoRow .lab { color: var(--dim); margin-left: 4px; }
.tempoRow .sep { width: 1px; align-self: stretch; background: var(--line2); margin: 0 6px; }
.tempoRow input { width: 9ch; }
.hint { color: var(--dim); font-size: 12px; margin: 0; padding: 0 12px 10px; max-width: 110ch; }
.panel .hint { padding: 8px 0 0; }

.work { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: 16px; align-items: start; }
.grid { display: grid; grid-template-columns: repeat(8, minmax(0, 1fr)); gap: 6px 3px; user-select: none; }
.grid.empty { display: block; padding: 48px 16px; border: 1px dashed var(--line2); border-radius: 6px; color: var(--dim); text-align: center; }
.grid.empty b { color: var(--text); }

/* one measure */
.m {
  --c: var(--line2);
  position: relative; background: var(--panel); border: 1px solid var(--line); border-radius: 4px;
  cursor: pointer; overflow: hidden; min-width: 0;
}
.m canvas { display: block; width: 100%; height: 40px; background: #000; }
.m .num { position: absolute; top: 1px; left: 3px; font-size: 10px; color: var(--dim); text-shadow: 0 0 3px #000, 0 0 3px #000; }
.m .pat { height: 20px; padding: 0 4px; font-weight: 700; display: flex; align-items: center; gap: 4px; background: var(--c); color: #0b0906; white-space: nowrap; overflow: hidden; }
.m .pat small { font-weight: 400; font-size: 11px; overflow: hidden; text-overflow: ellipsis; }
.m.none .pat { background: transparent; color: var(--dim); font-weight: 400; }
.m.bar2 .pat { background: color-mix(in srgb, var(--c) 55%, #000); color: #0b0906; }
.m.joinR { border-top-right-radius: 0; border-bottom-right-radius: 0; margin-right: -3px; border-right-color: transparent; }
.m.joinL { border-top-left-radius: 0; border-bottom-left-radius: 0; }
.m.orphan .pat { background: repeating-linear-gradient(135deg, var(--hot) 0 6px, #7a2415 6px 12px); color: #fff; }
.m .rows { display: grid; grid-template-columns: repeat(13, 1fr); gap: 1px; padding: 3px; height: 14px; }
.m .rows i { background: #000; border-radius: 1px; }
.m .rows i.on { background: var(--pc); }
.m.none .rows i { background: transparent; }
/* the filter row (f on the device): amber, as wide as the cutoff is open */
.m .cut { height: 4px; margin: 0 3px 3px; background: transparent; border-radius: 1px; }
.m .cut.on { background: #000; }
.m .cut b { display: block; height: 100%; width: 0; background: var(--amber); border-radius: 1px; }
.m.sel { border-color: var(--text); box-shadow: inset 0 0 0 1px var(--text); z-index: 1; }
.m.now { border-color: var(--amber); }
.m .head { position: absolute; top: 0; width: 2px; height: 40px; background: var(--amber); pointer-events: none; display: none; }
.m.now .head { display: block; }
.m.sectionStart::before { content: ""; position: absolute; left: 0; top: 0; bottom: 0; width: 2px; background: var(--text); opacity: .55; }

.side { min-width: 0; grid-template-columns: minmax(0, 1fr); position: sticky; top: 8px; display: grid; gap: 12px; max-height: calc(100vh - 16px); overflow: auto; }
.panel { min-width: 0; background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 12px; }
.panel h2 { font-weight: 700; margin-bottom: 8px; }
.field { margin-top: 10px; }
.field .lab { color: var(--text); margin-bottom: 5px; }
.field .lab .dim { font-size: 12px; }

.pats { display: grid; grid-template-columns: repeat(11, minmax(0, 1fr)); gap: 3px; }
.pats button:first-child { grid-column: span 2; }   /* "none" + 64 patterns = 6 full rows */
.pats button { padding: 4px 0; text-align: center; border-color: var(--line); color: var(--dim); }
.pats button.used { color: var(--c); border-color: var(--c); }
.pats button.cur { background: var(--c); color: #0b0906; border-color: var(--c); font-weight: 700; }
.pats button.two::after { content: ":"; }

.patRow { display: flex; gap: 8px; }
.patRow input { flex: 1; min-width: 0; }
.seg button { padding: 5px 8px; }
.seg { display: inline-flex; }
.seg button { border-radius: 0; }
.seg button:first-child { border-radius: 4px 0 0 4px; }
.seg button + button { margin-left: -1px; }
.seg button:last-child { border-radius: 0 4px 4px 0; }
.seg button.cur { background: var(--text); color: #0b0906; border-color: var(--text); font-weight: 700; }

.parts { display: grid; grid-template-columns: repeat(13, minmax(0, 1fr)); gap: 3px; }
.parts button { padding: 8px 0 6px; text-align: center; font-size: 12px; border-color: var(--pc); background: var(--pc); color: #0b0906; font-weight: 700; }
.parts button.off { background: #000; color: var(--dim); border-color: var(--line2); font-weight: 400; text-decoration: line-through; }
.parts button.mixed { background: repeating-linear-gradient(135deg, var(--pc) 0 4px, #000 4px 8px); color: var(--text); }
.parts button:nth-child(4), .parts button:nth-child(6) { margin-left: 3px; }
.cutRow { display: flex; gap: 6px; align-items: center; }
.cutRow input[type=range] { flex: 1; min-width: 0; accent-color: var(--amber); }
.cutRow input.idle { opacity: .45; }
.cutRow button { padding: 5px 8px; }
.cutRow button.cur { color: var(--text); border-color: var(--line2); }
.cutVal { color: var(--amber); font-weight: 700; }
.ftype { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 3px; }
.ftype button { min-width: 0; margin: 0 !important; padding: 5px 2px; border-radius: 4px !important; }
.partBtns { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 8px; }
#inspector.idle .field { opacity: .45; pointer-events: none; }

.issues { list-style: none; margin: 0; padding: 0; }
.issues li { color: var(--hot); padding: 4px 0; cursor: pointer; }
.issues li:hover { text-decoration: underline; }
.song { list-style: none; margin: 4px 0 0; padding: 0; max-height: 38vh; overflow: auto; }
.song li { display: grid; grid-template-columns: 3ch 4ch 4ch 4ch 1fr; gap: 6px; align-items: center; padding: 2px 4px; border-radius: 3px; cursor: pointer; }
.song li:hover, .song li.cur { background: #000; }
.song li .n { color: var(--dim); }
.song li .p { color: var(--c); font-weight: 700; }
.song li .f { color: var(--amber); }
.song li .mu { color: var(--dim); font-size: 12px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.song .emptySong { color: var(--dim); display: block; cursor: default; }

.foot { display: grid; gap: 4px; margin-top: 18px; color: var(--dim); font-size: 12px; }
body.drop::after { content: "Drop a track or an .arr file"; position: fixed; inset: 12px; border: 2px dashed var(--amber); border-radius: 8px; background: #000c; color: var(--amber); display: grid; place-items: center; font-size: 20px; z-index: 10; }

@media (max-width: 980px) {
  .work { grid-template-columns: minmax(0, 1fr); }
  .side { position: static; max-height: none; }
  #inspector { position: sticky; bottom: 0; z-index: 5; box-shadow: 0 -8px 16px #000; }
}
@media (max-width: 640px) {
  .grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .pats { grid-template-columns: repeat(11, minmax(0, 1fr)); }
  .parts button { font-size: 10px; padding: 8px 0; }
  .tempoRow .sep { display: none; }
}