:root {
  --bg: #eef0f4;
  --panel: #ffffff;
  --ink: #1b1f27;
  --muted: #5b6372;
  --line: #d6dae2;
  --accent: #c62828;
  --accent-ink: #ffffff;
  --ok: #2e7d32;
  --warn: #b26a00;
  --chip: #f3f4f7;
  --shadow: 0 1px 2px rgba(0, 0, 0, .06), 0 4px 16px rgba(0, 0, 0, .06);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12151b;
    --panel: #1b2029;
    --ink: #e7e9ee;
    --muted: #9aa3b2;
    --line: #2c3340;
    --accent: #ef5350;
    --chip: #232a35;
    --ok: #66bb6a;
    --warn: #ffb74d;
    --shadow: none;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12151b; --panel: #1b2029; --ink: #e7e9ee; --muted: #9aa3b2; --line: #2c3340;
  --accent: #ef5350; --chip: #232a35; --ok: #66bb6a; --warn: #ffb74d; --shadow: none; color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { margin: 0; }
body {
  background: var(--bg);
  color: var(--ink);
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ---- En-tête ---- */
.top {
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: 10px 16px; border-bottom: 1px solid var(--line); background: var(--panel);
  position: sticky; top: 0; z-index: 5;
}
.brand { display: flex; align-items: baseline; gap: 12px; flex-wrap: wrap; }
.logo { font-weight: 800; font-size: 22px; letter-spacing: .5px; color: var(--accent); font-style: italic; }
.logo small { font-size: 14px; }
.sub { color: var(--muted); font-size: 14px; }
.status { display: flex; gap: 8px; align-items: center; }
.pill { font-size: 13px; padding: 4px 10px; border-radius: 999px; background: var(--chip); color: var(--muted); white-space: nowrap; }
.pill.slow { color: var(--warn); }

/* ---- Mise en page ---- */
.layout { display: grid; grid-template-columns: minmax(0, 1fr) 400px; gap: 16px; padding: 16px; align-items: start; }
@media (max-width: 1100px) { .layout { grid-template-columns: 1fr; } }
@media (max-width: 600px) { .layout { padding: 8px 16px; } .sub { display: none; } }

.bench { min-width: 0; }
.board-wrap { position: relative; background: #0f1528; border-radius: 16px; overflow: hidden; box-shadow: var(--shadow); touch-action: none; }
.board { display: block; width: 100%; height: auto; user-select: none; -webkit-user-select: none; }

/* ---- Barres d'outils ---- */
.toolbar { display: flex; flex-wrap: wrap; gap: 8px 12px; align-items: center; justify-content: space-between; margin-top: 10px; padding: 10px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; }
.toolbar.env { justify-content: flex-start; }
.group { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.seq { flex: 1 1 280px; justify-content: flex-end; }
.seq input { flex: 1 1 200px; min-width: 0; padding: 7px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--ink); font: inherit; }
.btn {
  font: inherit; font-size: 14px; padding: 6px 12px; border-radius: 8px; border: 1px solid var(--line);
  background: var(--chip); color: var(--ink); cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--muted); }
.btn.primary { background: var(--accent); color: var(--accent-ink); border-color: transparent; }
.btn.hold.on { background: var(--accent); color: var(--accent-ink); }
.btn:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.ctl { display: flex; align-items: center; gap: 6px; font-size: 14px; color: var(--muted); }
.ctl input[type=range] { width: 110px; accent-color: var(--accent); }
.ctl.check input { accent-color: var(--accent); }
.hint { color: var(--muted); font-size: 13px; margin: 8px 2px; }
kbd { font: 12px ui-monospace, monospace; padding: 1px 5px; border: 1px solid var(--line); border-radius: 4px; background: var(--chip); }

/* ---- Panneau SVG ---- */
.tnum { font: 700 11px system-ui, sans-serif; fill: #111; paint-order: stroke; stroke: rgba(255, 255, 255, .85); stroke-width: 3px; }
.clabel { font: 700 12px system-ui, sans-serif; fill: #111; }
.cval { font: 600 11px system-ui, sans-serif; fill: #1a1a1a; }
.cval.light, .pin-label.light { fill: #f2f4f8; }
.pin-label { font: 600 10px system-ui, sans-serif; fill: #222; }
.pin-label.small { font-size: 9px; }
.sec-label { font: 800 11px system-ui, sans-serif; fill: #fff; letter-spacing: 1px; }
.chip-label { font: 800 13px system-ui, sans-serif; fill: #f2f2f2; }
.chip-sub { font: 600 10px system-ui, sans-serif; fill: #bbb; letter-spacing: .5px; }
.cell-sign { font: 800 22px system-ui, sans-serif; fill: rgba(0, 0, 0, .55); }
.warn { font: 800 13px system-ui, sans-serif; fill: #ff5252; animation: blink .6s steps(2) infinite; }
@keyframes blink { 50% { opacity: 0; } }
.emoji { font-size: 18px; }
.brand { }
.front .brand, text.brand { font: italic 900 30px system-ui, sans-serif; fill: #e53935; }
text.brand-sub { font: 600 18px system-ui, sans-serif; fill: #cfd3da; }
.front-label { font: 800 14px system-ui, sans-serif; fill: #e3e6ec; letter-spacing: 1.5px; }
.front-small { font: 600 12px system-ui, sans-serif; fill: #c3c8d0; }
.front-small.dark { fill: #555; }
.meter-num { font: 700 13px system-ui, sans-serif; fill: #222; }

.term { cursor: crosshair; }
.term .hit { fill: transparent; }
.term:hover .hit, .term.hi .hit { fill: rgba(255, 235, 59, .45); }
.term.sel .hit { fill: rgba(255, 82, 82, .6); }
.knob, .btn-svg, g.btn { cursor: pointer; }
.knob:focus { outline: none; }
.knob:focus-visible circle { stroke: #ffd54f; }

.wire { cursor: pointer; }
.wire .w-hit { stroke: transparent; stroke-width: 14; fill: none; }
.wire .w-out { stroke: rgba(0, 0, 0, .55); stroke-width: 7; fill: none; stroke-linecap: round; }
.wire .w-core { stroke-width: 4.5; fill: none; stroke-linecap: round; }
.wire .w-shine { stroke: rgba(255, 255, 255, .35); stroke-width: 1.2; fill: none; transform: translate(-1px, -1.5px); }
.wire:hover .w-out { stroke: #ff1744; stroke-width: 9; }
.wire-temp { stroke: #ffeb3b; stroke-width: 4; fill: none; stroke-dasharray: 8 6; pointer-events: none; }

.tip {
  position: absolute; display: none; pointer-events: none; z-index: 3;
  background: rgba(20, 22, 28, .92); color: #fff; font-size: 13px; padding: 6px 9px; border-radius: 6px; max-width: 240px;
}

/* ---- Manuel ---- */
.manual { background: var(--panel); border: 1px solid var(--line); border-radius: 14px; box-shadow: var(--shadow); position: sticky; top: 70px; max-height: calc(100vh - 86px); overflow: auto; }
@media (max-width: 1100px) { .manual { position: static; max-height: none; } }
.manual-head { padding: 12px 14px 8px; border-bottom: 1px solid var(--line); position: sticky; top: 0; background: var(--panel); z-index: 1; }
.manual-head h2 { margin: 0 0 4px; font-size: 18px; }
.filter { font-size: 13px; color: var(--muted); display: flex; gap: 6px; align-items: center; }
.filter input { accent-color: var(--accent); }
.progress { font-size: 13px; color: var(--muted); margin-top: 4px; }
.toc { padding: 4px 6px 12px; }
.chapter > summary { cursor: pointer; padding: 8px; font-weight: 700; font-size: 14px; border-radius: 8px; list-style: none; display: flex; gap: 8px; }
.chapter > summary::-webkit-details-marker { display: none; }
.chapter > summary::before { content: '▸'; color: var(--muted); transition: transform .15s; }
.chapter[open] > summary::before { transform: rotate(90deg); }
.chapter > summary:hover { background: var(--chip); }
.chapter .en { display: block; font-weight: 400; color: var(--muted); font-size: 12px; }
.proj { display: flex; gap: 8px; width: 100%; text-align: left; padding: 6px 8px 6px 26px; border: 0; background: none; color: var(--ink); font: inherit; font-size: 14px; border-radius: 6px; cursor: pointer; }
.proj:hover { background: var(--chip); }
.proj.cur { background: var(--chip); box-shadow: inset 3px 0 0 var(--accent); }
.proj .num { color: var(--muted); min-width: 30px; font-variant-numeric: tabular-nums; }
.proj.na { color: var(--muted); }
.proj .done { margin-left: auto; color: var(--ok); }

.project-view { padding: 12px 14px; border-bottom: 1px solid var(--line); }
.project-view h3 { margin: 0; font-size: 18px; }
.project-view .orig { color: var(--muted); font-size: 13px; margin: 2px 0 8px; }
.project-view p { margin: 6px 0; }
.project-view .how { background: var(--chip); border-radius: 8px; padding: 8px 10px; }
.seq-list { display: flex; flex-wrap: wrap; gap: 6px; margin: 6px 0; }
.seq-list span { font: 600 13px ui-monospace, monospace; background: var(--chip); border: 1px solid var(--line); border-radius: 6px; padding: 2px 7px; }
.seq-list span.okc { border-color: var(--ok); color: var(--ok); }
.parts { font-size: 13px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 4px; }
.verdict { font-size: 14px; margin-top: 6px; }
.verdict.good { color: var(--ok); font-weight: 700; }
.verdict.bad { color: var(--accent); }
.verdict ul { margin: 4px 0; padding-left: 18px; }
.close { float: right; }