/* Rythmes 101 — feuille de style (portée depuis la maquette Claude Design) */
:root {
  --orange: #ee5b2b;
  --orange-hover: #ff6f3f;
  --ink: #171614;
  --bg: #e9e7e1;
  --line: #d8d5cd;
  --line-soft: #e4e1da;
  --muted: #7a766d;
  --body: #5c584f;
  --faint: #8d8880;
  --cell: #edebe5;
  --cell-beat: #dcd8d0;
  --cell-ghost: #f7d7c8;
  --track: #e0ddd5;
  --head-line: #34322d;
  --mono: 'JetBrains Mono', monospace;
  --display: 'Martian Mono', monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  padding-bottom: 60px;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--mono);
}
button { font-family: inherit; padding: 0; }
::-webkit-scrollbar { height: 6px; width: 6px; }
::-webkit-scrollbar-thumb { background: #c9c5bc; }

strong { font-weight: 700; color: var(--ink); }

/* utilitaires */
.col { display: flex; flex-direction: column; }
.g3 { gap: 3px; } .g4 { gap: 4px; } .g5 { gap: 5px; } .g6 { gap: 6px; }
.g7 { gap: 7px; } .g10 { gap: 10px; } .g16 { gap: 16px; }
.hidden { display: none; }
.lbl9 { font: 500 9px var(--mono); letter-spacing: 0.1em; color: var(--muted); }

/* ---- en-tête collant ---- */
.hdr { position: sticky; top: 0; z-index: 20; background: var(--ink); box-shadow: 0 1px 0 rgba(0, 0, 0, 0.25); }
.hdr-top { display: flex; align-items: stretch; height: 54px; color: #fff; }
.hdr-num { width: 54px; flex: none; display: flex; align-items: center; justify-content: center; background: var(--orange); font: 500 13px var(--mono); }
.hdr-title { flex: 1; display: flex; align-items: center; gap: 14px; padding-left: 16px; min-width: 0; overflow: hidden; }
.hdr-name { font: 600 17px var(--display); white-space: nowrap; }
.hdr-sub { font: 400 10px var(--mono); color: #a8a49a; letter-spacing: 0.08em; white-space: nowrap; }
.hdr-dots { display: flex; align-items: center; gap: 4px; padding: 0 12px; }
.dot { width: 5px; height: 8px; background: #413e39; }
.dot.b4 { height: 14px; }
.dot.here { background: var(--orange); }
.btn-all { flex: none; width: 150px; border: none; border-left: 1px solid var(--head-line); background: var(--orange); color: #fff; font: 500 11px var(--mono); letter-spacing: 0.08em; cursor: pointer; }
.btn-all:hover { background: var(--orange-hover); }
.btn-lang { flex: none; display: flex; align-items: center; justify-content: center; gap: 5px; padding: 0 14px; border: none; border-left: 1px solid var(--head-line); background: transparent; color: #8b877e; font: 500 10px var(--mono); letter-spacing: 0.08em; cursor: pointer; }
.btn-lang:hover { color: #c5c1b8; }
.btn-lang .lang-sep { color: #55524b; }
.btn-lang span.act { color: var(--orange); font-weight: 700; }
.tabs { display: flex; overflow-x: auto; background: #211f1c; border-top: 1px solid var(--head-line); }
.tab { display: flex; flex-direction: column; align-items: flex-start; gap: 2px; padding: 8px 13px; flex: none; cursor: pointer; border: none; border-right: 1px solid var(--head-line); text-align: left; background: transparent; color: #9a958c; }
.tab.act { background: var(--orange); color: #fff; }
.tab-num { font: 400 8.5px var(--mono); letter-spacing: 0.08em; opacity: 0.7; }
.tab-name { font: 500 10.5px var(--mono); letter-spacing: 0.03em; white-space: nowrap; }

/* ---- gabarit ---- */
.wrap { max-width: 1180px; margin: 0 auto; padding: 26px 22px 0; display: flex; flex-direction: column; gap: 16px; }

.intro { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); background: #fff; border: 1px solid var(--line); }
.intro .lbl9 { letter-spacing: 0.12em; }
.intro-col { padding: 16px 18px; display: flex; flex-direction: column; gap: 10px; }
.intro-col:first-child { border-right: 1px solid var(--line-soft); }
.txt { font: 400 12px/1.75 var(--mono); color: var(--body); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 2px; }
.chip { display: inline-flex; align-items: center; border: 1px solid #dedad2; padding: 7px 12px; font: 500 10px var(--mono); letter-spacing: 0.03em; color: var(--ink); text-decoration: none; }
.chip:hover { border-color: var(--orange); color: var(--orange); }

.meta { display: flex; flex-wrap: wrap; gap: 10px; background: #fff; border: 1px solid var(--line); padding: 14px 16px; }
.meta-item { display: flex; flex-direction: column; gap: 5px; }
.meta-item.grow { flex: 1; }
.meta-sep { width: 1px; background: var(--line-soft); }
.meta-big { font: 600 13px var(--display); }
.meta-big.orange { color: var(--orange); }
.meta-val { font: 400 13px var(--mono); }
.sounds { font: 400 11.5px/1.4 var(--mono); color: #3c3a36; }

/* ---- cartes d'étape ---- */
.card { border: 1px solid var(--line); background: #fff; }
.card-head { display: flex; align-items: stretch; background: var(--ink); color: #fff; height: 38px; }
.card-num { width: 38px; flex: none; display: flex; align-items: center; justify-content: center; background: var(--orange); font: 500 12px var(--mono); }
.card-title { flex: 1; display: flex; align-items: center; padding-left: 13px; font: 600 12px var(--display); letter-spacing: 0.02em; }
.btn-solo { flex: none; width: 84px; border: none; border-left: 1px solid var(--head-line); background: var(--ink); color: #a8a49a; font: 500 10px var(--mono); letter-spacing: 0.08em; cursor: pointer; }
.btn-solo:hover { background: var(--orange); color: #fff; }
.btn-play { flex: none; width: 132px; border: none; border-left: 1px solid var(--head-line); background: #2b2925; color: #fff; font: 500 10px var(--mono); letter-spacing: 0.08em; cursor: pointer; }
.btn-play:hover { background: var(--orange); }
.card-body { display: flex; flex-wrap: wrap; gap: 24px; padding: 16px 17px; }
.col-l { width: 250px; flex: 1 1 250px; display: flex; flex-direction: column; gap: 14px; }
.col-r { flex: 2 1 420px; min-width: 340px; display: flex; flex-direction: column; }
.stxt { font: 400 11.5px/1.7 var(--mono); color: var(--body); }
.card-foot { border-top: 1px solid var(--line-soft); padding: 14px 17px; display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 18px; }
.foot-txt { font: 400 11px/1.6 var(--mono); color: var(--body); }

/* ---- jauges ---- */
.sl-head { display: flex; justify-content: space-between; font: 500 9.5px var(--mono); letter-spacing: 0.09em; color: var(--muted); }
.sl-head .sl-val, .sl-val { color: var(--ink); font-weight: 700; }
.meter { height: 5px; background: var(--track); position: relative; }
.meter.grow { flex: 1; min-width: 60px; }
.meter-fill { height: 100%; background: var(--ink); }
.meter-thumb { position: absolute; top: -6px; width: 11px; height: 16px; background: var(--orange); }
.res-row { display: flex; justify-content: space-between; align-items: center; }
.res-val { font: 700 10px var(--mono); letter-spacing: 0.07em; color: var(--ink); }
.mix-row { display: flex; align-items: center; gap: 8px; }
.mix-name { width: 46px; flex: none; font: 500 8.5px var(--mono); letter-spacing: 0.07em; color: #3c3a36; }
.mix-val { width: 38px; flex: none; text-align: right; font: 400 9px var(--mono); color: var(--muted); }

/* ---- grilles 16 cases ---- */
.lane { display: flex; align-items: center; gap: 9px; }
.lane-name { width: 74px; flex: none; }
.drum-name { display: flex; align-items: center; gap: 7px; }
.drum-name svg { flex: none; }
.drum-name span { font: 500 9px var(--mono); letter-spacing: 0.09em; color: #3c3a36; }
.row-name { width: 74px; flex: none; font: 500 9.5px var(--mono); letter-spacing: 0.04em; color: var(--muted); text-align: right; }
.grid16 { display: grid; grid-template-columns: repeat(16, 1fr); gap: 3px; flex: 1; }
.num { font: 400 8.5px/1 var(--mono); text-align: center; color: #b3afa6; }
.num.b4 { font-weight: 500; color: #4a4842; }
.num.here { color: var(--orange); }
.cell { height: 18px; border-radius: 1px; cursor: pointer; background: var(--cell); transition: transform 0.15s; }
.cell.b4 { background: var(--cell-beat); }
.cell.here { background: var(--cell-ghost); }
.cell.on { background: var(--fill, var(--ink)); }
.cell.on.here { background: var(--orange); }
.cell.flash { background: var(--orange) !important; transform: scale(1.25); box-shadow: 0 0 0 1px #fff; }
.drums { --fill: #171614; }
.drums .cell { height: 20px; }
.bass { --fill: #b8431a; }
.lead { --fill: #f5854f; }
.bar-lbl { font: 600 8.5px var(--mono); letter-spacing: 0.12em; padding-left: 83px; color: #a29d94; }
.bar-lbl.act { color: var(--orange); }
.bar-lbl.nopad { padding-left: 0; }

/* ---- accords ---- */
.chord-zone { display: flex; align-items: flex-start; gap: 9px; }
.keys-lbl { width: 74px; flex: none; font: 500 9.5px var(--mono); letter-spacing: 0.04em; color: var(--muted); text-align: right; padding-top: 30px; }
.chord-bars { flex: 1; display: flex; flex-direction: column; gap: 8px; }
.pad-grid { display: grid; gap: 3px; }
.pad { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; height: 72px; cursor: pointer; border-radius: 1px; transition: transform 0.12s; background: #f5f3ee; border: 1px solid #dedad2; }
.pad.act { background: #fdeee7; border-color: var(--orange); }
.pad.flash { background: #fbd9c8; border-color: var(--orange); transform: scale(1.04); box-shadow: 0 2px 8px rgba(238, 91, 43, 0.3); }
.pad-lbl { font: 600 15px var(--display); }
.pad-deg { font: 400 9px var(--mono); color: var(--faint); letter-spacing: 0.06em; }

.legend { font: 400 9.5px var(--mono); color: var(--faint); letter-spacing: 0.07em; text-align: center; margin-top: 8px; }
.gh { text-align: center; margin-top: 4px; }
.gh a { font: 500 9.5px var(--mono); color: var(--muted); letter-spacing: 0.07em; text-decoration: none; border-bottom: 1px solid var(--line); padding-bottom: 2px; }
.gh a:hover { color: var(--orange); border-bottom-color: var(--orange); }

/* ---- mobile ---- */
@media (max-width: 600px) {
  .wrap { padding: 18px 12px 0; gap: 12px; }
  .hdr-num { width: 44px; }
  .hdr-title { gap: 8px; padding-left: 10px; }
  .hdr-name { font-size: 13px; overflow: hidden; text-overflow: ellipsis; }
  .hdr-sub, .hdr-dots { display: none; }
  .btn-lang { padding: 0 10px; }
  .btn-all { width: auto; padding: 0 12px; font-size: 10px; }
  .intro { grid-template-columns: 1fr; }
  .intro-col { min-width: 0; }
  .intro-col:first-child { border-right: none; border-bottom: 1px solid var(--line-soft); }
  .meta { gap: 12px 24px; }
  .meta-sep { display: none; }
  .meta-item { min-width: 0 !important; }
  .card-title { padding-left: 10px; font-size: 10.5px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .btn-play, .btn-solo { width: auto; padding: 0 10px; font-size: 9px; }
  .card-body { padding: 14px 12px; gap: 18px; flex-direction: column; }
  .card-body > .col, .col-l, .col-r { min-width: 0 !important; max-width: 100%; flex: 0 0 auto !important; }
  .col-l { width: auto; }
  /* séquenceurs : défilement horizontal, libellés de lignes collants */
  .drums, .bass, .lead { overflow-x: auto; padding-bottom: 4px; }
  .drums .lane, .bass .lane, .lead .lane { min-width: 460px; gap: 0; }
  .lane-name, .row-name { position: sticky; left: 0; z-index: 2; background: #fff; align-self: stretch; width: 83px; padding-right: 9px; }
  .row-name { display: flex; align-items: center; justify-content: flex-end; }
  .bar-lbl { position: sticky; left: 0; z-index: 2; background: #fff; width: max-content; padding-left: 0; padding-right: 8px; }
  .pad { height: 56px; gap: 2px; }
  .pad-lbl { font-size: 11px; }
  .pad-deg { font-size: 8px; }
  .keys-lbl { width: 46px; font-size: 8.5px; padding-top: 22px; }
  .chord-zone { gap: 6px; }
}