/* Groove First - a drum machine faceplate: brushed grey panel, screws, a green LCD and one colour per row. */
:root {
  --bg: #e9e7e2; --sheet: #fbfaf7; --ink: #1c1e21; --muted: #62656b; --line: #d2cfc8; --plate: #d8d4cc; --plate-hi: #e7e4dd; --plate-lo: #b9b4aa;
  --lcd: #23302a; --lcd-ink: #b6f39b; --lcd-dim: #6f9a62; --cell: #c9c4ba; --cell-odd: #c1bcb1; --accent: #e5532b;
  --kick: #e5532b; --snare: #e8a91c; --clap: #d4467e; --hat: #1f9e8f; --ohat: #2f7fd0; --perc: #7f5cd0; --bass: #3a9b4c;
  --ok: #2e7d45; --warn: #a2650a; --bad: #c0392b; --info: #4b6a8c; --shadow: 0 1px 0 rgba(0, 0, 0, .06), 0 3px 10px rgba(0, 0, 0, .06);
  --radius: 12px; color-scheme: light;
}
:root[data-theme="dark"] {
  --bg: #121315; --sheet: #1b1d20; --ink: #ecebe7; --muted: #9a9ca2; --line: #33363b; --plate: #25282c; --plate-hi: #2e3237; --plate-lo: #16181a;
  --lcd: #0b1a0f; --lcd-ink: #8ff07a; --lcd-dim: #4f8a45; --cell: #3d4148; --cell-odd: #353940; --accent: #ff7a52;
  --kick: #ff7a52; --snare: #f6c445; --clap: #f06aa0; --hat: #3cc9b7; --ohat: #5aa7f0; --perc: #a68cf0; --bass: #5cc76c;
  --ok: #6fcf8a; --warn: #f0b85a; --bad: #ff8070; --info: #8fb4dc; --shadow: 0 1px 0 rgba(0, 0, 0, .4); color-scheme: dark;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 16px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; overflow-x: hidden; }
a { color: var(--ohat); }
code, .mono, pre { font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace; }
code { font-size: .9em; }
.hidden { display: none !important; }
.vcount { margin: 4px 0 0; min-height: 1em; }
.vcount.warn { color: var(--warn, #b45309); }
details.prev summary { cursor: pointer; font-weight: 600; margin: 6px 0; }
.muted { color: var(--muted); }
.small { font-size: .86rem; }
.warn { color: var(--warn); }
button, input, textarea, select { font: inherit; color: inherit; }

/* header */
.bar { display: flex; align-items: center; gap: 12px; padding: 10px 16px; background: var(--sheet); border-bottom: 1px solid var(--line); flex-wrap: wrap; }
.back { color: var(--muted); text-decoration: none; font-size: .9rem; }
.brand { display: flex; align-items: center; gap: 8px; font-size: 1.05rem; letter-spacing: .01em; }
.logo { width: 28px; height: 28px; }
.lg-plate { fill: var(--plate); stroke: var(--plate-lo); stroke-width: 1.2; }
.lg-a { fill: var(--kick); } .lg-b { fill: var(--hat); } .lg-off { fill: var(--cell); }
.session { margin-left: auto; display: flex; gap: 6px; align-items: center; flex-wrap: wrap; }
.pill { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--line); background: var(--sheet); border-radius: 8px; padding: 5px 12px; font-size: .88rem; cursor: pointer; text-decoration: none; color: var(--ink); line-height: 1.3; }
.pill:hover:not(:disabled) { border-color: var(--ink); }
.pill.solid { background: var(--ink); color: var(--sheet); border-color: var(--ink); }
.pill.solid:hover:not(:disabled) { background: var(--accent); border-color: var(--accent); color: #fff; }
.pill.ghost { cursor: default; }
.pill.big { padding: 9px 20px; font-size: 1rem; font-weight: 600; }
.pill.tiny { padding: 1px 8px; font-size: .78rem; }
.pill:disabled { opacity: .45; cursor: not-allowed; }

.wrap { max-width: 1060px; margin: 0 auto; padding: 0 16px 40px; }
.hero { padding: 28px 0 10px; }
.kicker { margin: 0 0 6px; font: 600 .8rem/1.4 ui-monospace, Menlo, monospace; letter-spacing: .06em; text-transform: uppercase; color: var(--accent); }
h1 { font-size: clamp(1.7rem, 4.6vw, 2.7rem); line-height: 1.12; margin: 0 0 12px; letter-spacing: -.02em; }
h1 em { font-style: normal; color: var(--accent); }
.lede { max-width: 760px; margin: 0 0 14px; color: var(--muted); }
.chips { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.chips-label { font-size: .85rem; color: var(--muted); }
.chip { border: 1px solid var(--line); background: var(--sheet); border-radius: 999px; padding: 5px 13px; font-size: .88rem; cursor: pointer; }
.chip:hover, .chip.on { border-color: var(--accent); color: var(--accent); }
.chip.on { background: color-mix(in srgb, var(--accent) 10%, var(--sheet)); }
h2 { font-size: 1.2rem; margin: 0 0 10px; }
h3 { font-size: 1rem; margin: 14px 0 6px; }
.small-h { margin-top: 0; font-size: .92rem; }
.stepno { display: inline-grid; place-items: center; width: 24px; height: 24px; border-radius: 6px; background: var(--ink); color: var(--sheet); font-size: .8rem; margin-right: 6px; vertical-align: 2px; }

/* the faceplate */
.deck { position: relative; margin: 16px 0; padding: 18px 20px 14px; border-radius: 18px; background: linear-gradient(180deg, var(--plate-hi), var(--plate)); border: 1px solid var(--plate-lo); box-shadow: inset 0 1px 0 rgba(255, 255, 255, .35), 0 6px 20px rgba(0, 0, 0, .12); }
.screw { position: absolute; width: 10px; height: 10px; border-radius: 50%; background: radial-gradient(circle at 35% 35%, var(--plate-hi), var(--plate-lo)); border: 1px solid var(--plate-lo); }
.screw::after { content: ""; position: absolute; left: 1px; right: 1px; top: 4px; height: 1px; background: var(--plate-lo); transform: rotate(35deg); }
.s1 { top: 8px; left: 8px; } .s2 { top: 8px; right: 8px; } .s3 { bottom: 8px; left: 8px; } .s4 { bottom: 8px; right: 8px; }
.deck-title { margin-bottom: 12px; }
.lcd { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 2px; background: var(--lcd); border-radius: 8px; padding: 8px 10px; margin-bottom: 12px; box-shadow: inset 0 2px 6px rgba(0, 0, 0, .45); font-family: ui-monospace, Menlo, monospace; }
.lcd-cell { display: flex; flex-direction: column; min-width: 0; }
.lcd-cell.wide { grid-column: span 2; }
.lcd-k { font-size: .62rem; letter-spacing: .12em; color: var(--lcd-dim); }
.lcd b { color: var(--lcd-ink); font-size: 1.05rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; text-shadow: 0 0 6px color-mix(in srgb, var(--lcd-ink) 45%, transparent); }
.transport { display: flex; flex-wrap: wrap; gap: 10px 14px; align-items: flex-end; margin-bottom: 12px; }
.pad-btn { min-width: 84px; padding: 10px 16px; border-radius: 10px; border: 1px solid var(--plate-lo); background: var(--sheet); font-weight: 700; cursor: pointer; box-shadow: 0 2px 0 var(--plate-lo); }
.pad-btn.on { background: var(--accent); color: #fff; border-color: var(--accent); box-shadow: 0 0 12px color-mix(in srgb, var(--accent) 60%, transparent); }
.knob { display: flex; flex-direction: column; gap: 3px; font-size: .78rem; color: var(--muted); text-transform: uppercase; letter-spacing: .06em; }
.knob b { color: var(--ink); font-weight: 600; }
.knob input[type=number] { width: 78px; }
.knob input[type=range] { width: 140px; accent-color: var(--accent); }
.knob input, .knob select { padding: 6px 8px; border-radius: 8px; border: 1px solid var(--plate-lo); background: var(--sheet); text-transform: none; letter-spacing: 0; }
.keypair { display: flex; gap: 4px; }

/* the grid */
.grid { display: flex; flex-direction: column; gap: 3px; }
.grow { display: grid; grid-template-columns: 70px repeat(16, minmax(0, 1fr)); gap: 3px; align-items: center; }
.glabel { font: 600 .74rem/1 ui-monospace, Menlo, monospace; text-align: left; padding: 6px 6px; border-radius: 6px; border: 0; background: transparent; color: var(--ink); cursor: pointer; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
span.glabel { cursor: default; }
.glabel .short { display: none; }
.muted-row .glabel { text-decoration: line-through; color: var(--muted); }
.muted-row .cell { opacity: .35; }
.gnum { font: .62rem/1 ui-monospace, Menlo, monospace; text-align: center; color: var(--muted); }
.gnum.beat { color: var(--ink); font-weight: 700; }
.cell { position: relative; display: flex; align-items: center; justify-content: center; height: 30px; border-radius: 5px; border: 0; background: var(--cell); cursor: pointer; padding: 0; transition: transform .05s; }
.cell.odd { background: var(--cell-odd); }
.cell:active { transform: scale(.94); }
.cell.beat::before { content: ""; position: absolute; left: 3px; top: 3px; width: 3px; height: 3px; border-radius: 50%; background: var(--muted); opacity: .6; }
.cell.v1 { background: color-mix(in srgb, var(--rc) 50%, var(--cell)); }
.cell.v2 { background: var(--rc); box-shadow: 0 0 8px color-mix(in srgb, var(--rc) 45%, transparent); }
.cell.hold { background: color-mix(in srgb, var(--rc) 35%, var(--cell)); }
.cell.hold::after { content: ""; position: absolute; left: -3px; right: 30%; top: 50%; height: 3px; margin-top: -1px; background: var(--rc); }
.cell .nt { font: 700 .66rem/30px ui-monospace, Menlo, monospace; color: #fff; }
.cell.sel { outline: 2px solid var(--ink); outline-offset: 1px; }
.cell.now { filter: brightness(1.35); box-shadow: inset 0 0 0 2px var(--lcd-ink); }
.cell.chg { outline: 2px dashed var(--ink); outline-offset: -2px; }
.r-kick { --rc: var(--kick); } .r-snare { --rc: var(--snare); } .r-clap { --rc: var(--clap); } .r-hat { --rc: var(--hat); }
.r-ohat { --rc: var(--ohat); } .r-perc { --rc: var(--perc); } .r-bass { --rc: var(--bass); }
.r-kick .glabel { color: var(--kick); } .r-snare .glabel { color: var(--snare); } .r-clap .glabel { color: var(--clap); } .r-hat .glabel { color: var(--hat); }
.r-ohat .glabel { color: var(--ohat); } .r-perc .glabel { color: var(--perc); } .r-bass .glabel { color: var(--bass); }
.r-bass { margin-top: 4px; }
.grid.preview { background: var(--plate); border-radius: 10px; padding: 8px; margin: 8px 0 4px; }
.grid.preview .cell { height: 22px; cursor: default; }
.grid.preview .cell .nt { line-height: 22px; }
.picker { display: flex; flex-wrap: wrap; gap: 4px; align-items: center; margin: 8px 0 0; padding: 8px; border-radius: 10px; background: var(--sheet); border: 1px solid var(--plate-lo); }
.pk-label { font-size: .8rem; color: var(--muted); margin-right: 4px; }
.pk { padding: 4px 8px; border-radius: 6px; border: 1px solid var(--line); background: var(--sheet); font: .8rem ui-monospace, Menlo, monospace; cursor: pointer; }
.pk.on { background: var(--bass); color: #fff; border-color: var(--bass); }
.pk-alt { font-family: inherit; }
.pk-done { margin-left: auto; }
.pk:disabled { opacity: .4; cursor: not-allowed; }
.legend { margin: 10px 0 4px; }
.gridtext summary { cursor: pointer; font-size: .88rem; color: var(--muted); }
.gridtext textarea { width: 100%; margin: 8px 0; font: .85rem/1.45 ui-monospace, Menlo, monospace; padding: 8px; border-radius: 8px; border: 1px solid var(--plate-lo); background: var(--sheet); }

/* sheets */
.sheet { background: var(--sheet); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin: 16px 0; box-shadow: var(--shadow); }
.hears-grid { display: grid; grid-template-columns: 1.4fr 1fr; gap: 20px; }
.facts { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 4px; }
.fact { font-size: .9rem; }
.fid, .cite { display: inline-block; font: 600 .7rem/1.6 ui-monospace, Menlo, monospace; padding: 0 6px; border-radius: 4px; background: var(--bg); border: 1px solid var(--line); color: var(--muted); }
.cite { margin-left: 4px; }
.cite.bad { color: var(--bad); border-color: var(--bad); text-decoration: line-through; }
.families { list-style: none; margin: 0 0 6px; padding: 0; display: flex; flex-direction: column; gap: 8px; }
.fam { display: grid; grid-template-columns: 110px 1fr; gap: 2px 10px; align-items: center; }
.fam b { font-size: .92rem; }
.fam .small { grid-column: 2; }
.fbar { height: 8px; border-radius: 4px; background: var(--bg); overflow: hidden; }
.ffill { display: block; height: 100%; background: var(--accent); border-radius: 4px; }
.none { color: var(--muted); font-style: italic; list-style: none; }

/* ask */
.lanes { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.lane { text-align: left; border: 1px solid var(--line); background: var(--bg); border-radius: 10px; padding: 10px 12px; cursor: pointer; display: flex; flex-direction: column; gap: 2px; }
.lane span { font-size: .84rem; color: var(--muted); }
.lane.on { border-color: var(--accent); background: color-mix(in srgb, var(--accent) 9%, var(--sheet)); box-shadow: inset 3px 0 0 var(--accent); }
.lbl { display: block; font-size: .86rem; font-weight: 600; margin: 10px 0 4px; }
textarea, input[type=text], input[type=number] { width: 100%; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--sheet); }
.knob input[type=number] { width: 78px; }
.opts { margin-top: 6px; }
.check { display: inline-flex; gap: 6px; align-items: center; font-size: .9rem; margin-top: 8px; }
.check input { width: auto; }
#limit { max-width: 140px; }
.gate { margin: 10px 0 6px; padding: 10px 12px; border-radius: 8px; background: var(--bg); font-size: .9rem; }
.gate .pill { margin-left: 4px; }
.runrow { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; margin-top: 12px; }

/* progress */
.ptitle { font-weight: 600; margin: 0 0 8px; }
.steps { list-style: none; padding: 0; margin: 0 0 8px; }
.step { font-size: .9rem; color: var(--muted); padding: 2px 0; }
.step.done { color: var(--ok); } .step.active { color: var(--ink); font-weight: 600; }
.step-ic { display: inline-block; width: 14px; font-family: ui-monospace, Menlo, monospace; }
.raw { white-space: pre-wrap; word-break: break-word; font-size: .82rem; max-height: 320px; overflow: auto; }

/* results */
.rhead { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.rhead h2 { margin: 0; }
.verdict { font: 700 .78rem/1 ui-monospace, Menlo, monospace; text-transform: uppercase; letter-spacing: .08em; padding: 6px 10px; border-radius: 6px; color: #fff; background: var(--muted); }
.v-keep { background: var(--ok); } .v-tweak { background: var(--snare); color: #1c1e21; } .v-rebuild { background: var(--kick); } .v-prompt { background: var(--ohat); }
.summary { font-size: 1.02rem; margin: 10px 0; }
.twocol { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.lines { margin: 0; padding-left: 18px; }
.lines li { margin: 4px 0; font-size: .92rem; }
.notes { list-style: none; margin: 0; padding: 0; }
.notes li { font-size: .88rem; padding: 4px 0 4px 18px; position: relative; }
.notes li::before { content: ""; position: absolute; left: 2px; top: 11px; width: 8px; height: 8px; border-radius: 2px; background: var(--muted); }
.notes li.ok::before { background: var(--ok); } .notes li.warn::before { background: var(--warn); } .notes li.bad::before { background: var(--bad); } .notes li.info::before { background: var(--info); }
.notes li.bad { color: var(--bad); }
.recon { margin-top: 12px; padding-top: 8px; border-top: 1px dashed var(--line); }
.tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; margin-top: 10px; }
.field { margin: 12px 0; }
.field-head { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.field-head h3 { margin: 0; }
.promptbox { white-space: pre-wrap; word-break: break-word; background: var(--lcd); color: var(--lcd-ink); border-radius: 8px; padding: 12px 14px; margin: 6px 0 0; font-size: .9rem; line-height: 1.5; }
.promptbox.ex { color: color-mix(in srgb, var(--lcd-ink) 70%, var(--bad)); }
.meterbar { height: 5px; border-radius: 3px; background: var(--bg); margin-top: 6px; overflow: hidden; }
.meterbar span { display: block; height: 100%; background: var(--hat); }
.meterbar span.over { background: var(--bad); }
.bad-t { color: var(--bad); font-weight: 700; }
.form-list { margin: 0; padding-left: 20px; }
.form-list li { margin: 4px 0; font-size: .92rem; }
.form-list .tag { font-weight: 700; margin-right: 6px; }
.form-list .bars { font: .74rem ui-monospace, Menlo, monospace; color: var(--muted); margin-right: 4px; }
.vars { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.vars li { padding: 8px 10px; border-radius: 8px; background: var(--bg); word-break: break-word; }

/* history and footer */
.hist { list-style: none; padding: 0; margin: 10px 0 0; }
.hrow { display: flex; gap: 8px; align-items: center; padding: 8px 0; border-top: 1px solid var(--line); }
.hinfo { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.foot { max-width: 1060px; margin: 0 auto; padding: 10px 16px 40px; color: var(--muted); font-size: .84rem; }
.toasts { position: fixed; right: 16px; bottom: 16px; display: flex; flex-direction: column; gap: 8px; z-index: 20; max-width: calc(100vw - 32px); }
.toast { background: var(--ink); color: var(--sheet); padding: 10px 14px; border-radius: 8px; font-size: .9rem; box-shadow: 0 4px 14px rgba(0, 0, 0, .2); transition: opacity .5s; }
.toast.err { background: var(--bad); color: #fff; }
.toast a { color: inherit; font-weight: 700; }
.toast.gone { opacity: 0; }

/* docs pages */
.doc { max-width: 860px; margin: 0 auto; padding: 20px 16px 40px; }
.doc pre { background: var(--sheet); border: 1px solid var(--line); border-radius: 8px; padding: 12px; overflow-x: auto; font-size: .82rem; line-height: 1.45; }
.doc table { border-collapse: collapse; width: 100%; font-size: .88rem; display: block; overflow-x: auto; }
.doc th, .doc td { border: 1px solid var(--line); padding: 6px 8px; text-align: left; vertical-align: top; }
.codegroup { margin: 10px 0 16px; }
.tabs { display: flex; flex-wrap: wrap; gap: 4px; margin-bottom: 4px; }
.tab { border: 1px solid var(--line); background: var(--sheet); border-radius: 6px; padding: 3px 9px; font-size: .8rem; cursor: pointer; }
.tab.active { background: var(--ink); color: var(--sheet); border-color: var(--ink); }
.statebox { background: var(--sheet); border: 1px solid var(--line); border-radius: 10px; padding: 12px 14px; margin: 12px 0; }
.tokenrow { display: flex; flex-wrap: wrap; gap: 8px; margin: 8px 0; }
.tokenbox { font-family: ui-monospace, Menlo, monospace; background: var(--sheet); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; word-break: break-all; width: 100%; }

@media (max-width: 760px) {
  .hears-grid, .twocol, .lanes { grid-template-columns: 1fr; }
  .lcd { grid-template-columns: repeat(3, minmax(0, 1fr)); row-gap: 6px; }
  .lcd-cell.wide { grid-column: span 2; }
}
@media (max-width: 520px) {
  .deck { padding: 16px 10px 12px; border-radius: 14px; }
  .grow { grid-template-columns: 38px repeat(16, minmax(0, 1fr)); gap: 2px; }
  .glabel { font-size: .6rem; padding: 4px 2px; }
  .glabel .long { display: none; } .glabel .short { display: inline; }
  .cell { height: 26px; border-radius: 3px; }
  .cell .nt { font-size: .5rem; line-height: 26px; }
  .gnum { font-size: .52rem; }
  .sheet { padding: 14px; }
  .knob input[type=range] { width: 110px; }
  .pk-done { margin-left: 0; }
  .fam { grid-template-columns: 90px 1fr; }
}