/* Base : remise à zéro légère, commune à toutes les pages */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
img, canvas, svg { max-width: 100%; }
[hidden] { display: none !important; }
:root { padding-top: env(safe-area-inset-top, 0px); padding-bottom: env(safe-area-inset-bottom, 0px); }


/* Tissage aux cartes — un établi : réglages, grille d'enfilage et bande simulée alignées colonne par colonne */
:root {
  --bg: #eceee8;
  --panel: #f7f8f4;
  --fg: #1c2233;
  --muted: #5f6676;
  --line: #c9cdc3;
  --accent: #2f4f9a;
  --accent-soft: #dde4f3;
  --warn: #a8461f;
  --font-display: "Gloock", "Georgia", serif;
  --font-body: "Atkinson Hyperlegible", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, monospace;
  --cw: 26px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #14171e; --panel: #1c2029; --fg: #e4e6ec; --muted: #9aa1b2;
    --line: #333a48; --accent: #8fa8e8; --accent-soft: #263150; --warn: #e48a62;
    color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #14171e; --panel: #1c2029; --fg: #e4e6ec; --muted: #9aa1b2;
  --line: #333a48; --accent: #8fa8e8; --accent-soft: #263150; --warn: #e48a62;
  color-scheme: dark;
}
* { box-sizing: border-box; }
body {
  background: var(--bg); color: var(--fg);
  font-family: var(--font-body); font-size: 15px; line-height: 1.5;
  padding-left: max(16px, env(safe-area-inset-left, 0px));
  padding-right: max(16px, env(safe-area-inset-right, 0px));
  padding-block: 28px 48px;
}
.wrap { max-width: 1240px; margin: 0 auto; display: grid; gap: 24px; }
header { display: grid; gap: 6px; }
h1 { font-family: var(--font-display); font-weight: 400; font-size: clamp(30px, 5vw, 44px); line-height: 1.05; margin: 0; text-wrap: balance; }
header p { margin: 0; color: var(--muted); max-width: 68ch; }
h2 { font-family: var(--font-display); font-weight: 400; font-size: 22px; margin: 0; }
.label { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); font-weight: 700; }

.controls {
  background: var(--panel); border: 1px solid var(--line); border-radius: 10px;
  padding: 18px; display: grid; gap: 18px;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
}
.field { display: grid; gap: 6px; align-content: start; min-width: 0; }
.field input[type=number], .field input[type=text], .field select {
  font: 500 15px var(--font-mono); color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; width: 100%;
}
.field input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.hint { font-size: 13px; color: var(--muted); }
.hint.err { color: var(--warn); }
.row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
button {
  font: 600 13px var(--font-body); color: var(--fg); background: var(--bg);
  border: 1px solid var(--line); border-radius: 6px; padding: 6px 10px; cursor: pointer;
}
button:hover { border-color: var(--accent); }
button.primary { background: var(--accent); color: var(--panel); border-color: var(--accent); }
.inline-num { width: 56px !important; display: inline-block; }

.swatches { display: flex; flex-wrap: wrap; gap: 8px; }
.sw { position: relative; width: 38px; height: 38px; border-radius: 50%; border: 2px solid var(--line); padding: 0; overflow: hidden; cursor: pointer; }
.sw.on { border-color: var(--fg); box-shadow: 0 0 0 3px var(--accent-soft); }
.sw input { position: absolute; inset: 0; width: 100%; height: 100%; opacity: 0; cursor: pointer; }
.sw .k { position: absolute; inset: auto 0 2px 0; font: 600 10px var(--font-mono); text-align: center; pointer-events: none; }
.sw-edit { font-size: 12px; }

.bench { display: grid; gap: 12px; }
.bench-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: baseline; justify-content: space-between; }
.scroller { overflow-x: auto; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 16px; }
.board { display: flex; gap: 40px; align-items: flex-start; width: max-content; }
.side { display: grid; gap: 10px; }
.side .label { padding-left: 64px; }
.side-back .label { padding-left: 0; }
.side-cards .label { padding-left: 90px; }
.band-nums { display: grid; grid-template-columns: repeat(var(--n), var(--cw)); padding-left: 64px; margin-bottom: -6px; }
.side-back .band-nums { padding-left: 0; }
.draft { display: grid; gap: 2px; }
.draft .r { display: grid; grid-template-columns: 90px repeat(var(--n), var(--cw)); gap: 0; align-items: center; }
.draft .rl { font: 600 11px var(--font-mono); color: var(--muted); padding-right: 8px; text-align: right; }
.cell { width: calc(var(--cw) - 2px); height: 24px; margin: 0 1px; border-radius: 3px; border: 1px solid var(--line); padding: 0; font: 600 11px var(--font-mono); display: grid; place-items: center; }
.cell.hole { cursor: crosshair; }
.num { font: 600 10px var(--font-mono); color: var(--muted); text-align: center; font-variant-numeric: tabular-nums; }
.thr { background: var(--bg); }
.thr.Z { background: var(--accent-soft); color: var(--accent); }
.mode { background: var(--bg); color: var(--muted); font-size: 10px; }
.mode.F, .mode.B { background: var(--fg); color: var(--panel); }
.twist { font: 600 10px var(--font-mono); text-align: center; font-variant-numeric: tabular-nums; color: var(--muted); }
.twist.hi { color: var(--warn); }
canvas { display: block; }
.turn-tools button[aria-pressed="true"] { background: var(--accent); color: var(--panel); border-color: var(--accent); }
.board.grid-mode #cvFront { cursor: pointer; }
.turn-tools input { font: 500 14px var(--font-mono); color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; }
.seg { display: inline-flex; }
.seg button { border-radius: 0; }
.seg button:first-child { border-radius: 6px 0 0 6px; }
.seg button:last-child { border-radius: 0 6px 6px 0; border-left: 0; }
.cell.gcell { height: 18px; cursor: pointer; touch-action: none; }
/* avant = clair, arrière = foncé, dans les deux thèmes (comme une fiche papier) */
.gcell { font: 700 9px var(--font-mono); line-height: 1; }
.gcell.F { background: #ece9df; border-color: #cfcabb; color: #8a8576; }
.gcell.B { background: #5b6478; border-color: #4a5265; color: #d5d9e3; }
.draft .r.gsep { margin-top: 6px; }
.df .sw { width: 30px; height: 30px; }
.df .scroller { padding: 12px; }
.df .row input { font: 500 14px var(--font-mono); color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 5px 8px; }
#dfCanvas { touch-action: none; cursor: crosshair; }
.instr summary { cursor: pointer; font-size: 13px; color: var(--accent); font-weight: 700; }
.instr-list { margin: 10px 0 0; padding: 0; list-style: none; display: grid; gap: 2px; font: 500 12.5px var(--font-mono); font-variant-numeric: tabular-nums; max-height: 420px; overflow-y: auto; }
.instr-list li { display: grid; grid-template-columns: 5.5em 1fr; gap: 8px; padding: 3px 6px; border-radius: 4px; }
.instr-list li.mixed { background: var(--accent-soft); }
.instr-list .n { color: var(--muted); }
input[type=range] { width: 100%; accent-color: var(--accent); }

.library { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 18px; display: grid; gap: 12px; }
.lib-head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; }
.save-row { flex: 1 1 320px; justify-content: flex-end; }
.save-row input { flex: 1 1 180px; min-width: 0; max-width: 340px; font: 500 15px var(--font-body); color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; }
.save-row input:focus-visible, textarea:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.lib-list { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); }
.lib-item { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--bg); min-width: 0; }
.lib-item.current { border-color: var(--accent); box-shadow: inset 0 0 0 1px var(--accent); }
.lib-item canvas { border-radius: 3px; }
.lib-meta { display: grid; gap: 4px; min-width: 0; }
.lib-name { font-weight: 700; overflow-wrap: anywhere; }
.lib-sub { font: 500 11px var(--font-mono); color: var(--muted); }
.lib-actions { display: flex; flex-wrap: wrap; gap: 6px; }
.lib-actions button { padding: 4px 8px; font-size: 12px; }
.lib-actions .danger { color: var(--warn); border-color: var(--warn); }
.codebox summary { cursor: pointer; font-size: 13px; color: var(--accent); font-weight: 700; }
.codebox-body { display: grid; gap: 8px; padding-top: 10px; }
textarea { width: 100%; font: 500 12px var(--font-mono); color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 6px; padding: 8px; resize: vertical; }
.legend { display: grid; gap: 6px; font-size: 13px; color: var(--muted); max-width: 75ch; }
.legend b { color: var(--fg); }
.legend p { margin: 0; }
code { font-family: var(--font-mono); font-size: 12.5px; background: var(--panel); border: 1px solid var(--line); border-radius: 4px; padding: 0 4px; }
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* ---------- Barre de navigation (toutes les pages) ---------- */
.topbar { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 10; background: color-mix(in srgb, var(--bg) 92%, transparent); backdrop-filter: blur(6px); border-bottom: 1px solid var(--line); }
.topbar-in { max-width: 1240px; margin: 0 auto; display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-block: 10px; padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); }
body.has-topbar { padding-left: 0; padding-right: 0; padding-block: 0 48px; }
body.has-topbar > main { padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 24px 0; }
.brand { display: inline-flex; align-items: center; gap: 10px; font-family: var(--font-display); font-size: 21px; color: var(--fg); text-decoration: none; }
.brand-mark { width: 32px; height: 32px; flex: none; overflow: visible; }
.lm-card { fill: var(--panel); stroke: currentColor; stroke-width: 2; }
.lm-hole { fill: var(--bg); stroke: currentColor; stroke-width: 1.4; }
.lm-warp { stroke: var(--muted); stroke-width: 1; fill: none; }
.lm-cord { fill: none; stroke-width: 2.4; stroke-linecap: round; }
.lm-cord.a { stroke: var(--accent); }
.lm-cord.b { stroke: #c8553d; }
.nav-links { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; justify-content: flex-end; }
.nav-links a { color: var(--fg); text-decoration: none; font-weight: 700; font-size: 14px; }
.nav-links a:hover { color: var(--accent); }
.btn { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: var(--panel) !important; border-radius: 8px; padding: 9px 16px; font-weight: 700; text-decoration: none; border: 1px solid var(--accent); }
.btn:hover { filter: brightness(1.08); }
.btn.ghost { background: transparent; color: var(--fg) !important; border-color: var(--line); }
.btn.ghost:hover { border-color: var(--accent); }
a:focus-visible { outline: 2px solid var(--accent); outline-offset: 3px; border-radius: 4px; }
@media (max-width: 560px) { .nav-links a:not(.btn) { display: none; } }

/* ---------- Outil : premiers pas et exemples ---------- */
.guide { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 18px; }
.guide summary { cursor: pointer; font-family: var(--font-display); font-size: 20px; }
.guide ol { margin: 12px 0 4px; padding-left: 1.4em; display: grid; gap: 8px; max-width: 80ch; }
.guide li::marker { font-family: var(--font-mono); font-weight: 600; color: var(--accent); }
.ex-strip { display: grid; gap: 10px; grid-template-columns: repeat(auto-fill, minmax(min(220px, 100%), 1fr)); }
.ex-card { display: grid; grid-template-columns: auto 1fr; gap: 12px; align-items: center; text-align: left; padding: 10px; border: 1px solid var(--line); border-radius: 8px; background: var(--panel); cursor: pointer; color: var(--fg); font: inherit; }
.ex-card:hover { border-color: var(--accent); }
.ex-card canvas { border-radius: 3px; }
.ex-name { font-weight: 700; display: block; }
.ex-text { display: block; }
.level { display: inline-block; font: 600 10px var(--font-mono); letter-spacing: .06em; text-transform: uppercase; padding: 2px 6px; border-radius: 999px; background: var(--accent-soft); color: var(--accent); margin-top: 4px; }
.files-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* les sections d'une grille ne doivent jamais s'élargir à la taille d'un contenu défilant */
.wrap > *, body.has-topbar > main > * { min-width: 0; }
.controls { grid-template-columns: repeat(auto-fit, minmax(min(240px, 100%), 1fr)); }

header .hero-cta { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 10px; }
button.big { padding: 9px 16px; font-size: 14px; border-radius: 8px; }

/* ---------- Aide contextuelle ---------- */
.lab { display: inline-flex; align-items: center; gap: 6px; }
.help { width: 18px; height: 18px; padding: 0; border-radius: 50%; border: 1px solid var(--line); background: var(--panel); color: var(--muted); font: 700 11px var(--font-mono); line-height: 1; display: inline-grid; place-items: center; cursor: help; vertical-align: middle; flex: none; }
.help:hover, .help[aria-expanded="true"] { color: var(--accent); border-color: var(--accent); }
h2 .help { margin-left: 8px; width: 20px; height: 20px; font-size: 12px; position: relative; top: -2px; }
summary .help { margin-left: 6px; }
.draft .rl { display: flex; align-items: center; justify-content: flex-end; gap: 4px; }
.draft .rl .help { width: 15px; height: 15px; font-size: 9px; }
.side .label .help { margin-left: 6px; }
.help-pop { position: absolute; z-index: 50; background: var(--panel); color: var(--fg); border: 1px solid var(--accent); border-radius: 10px; padding: 12px 14px; box-shadow: 0 10px 30px rgba(0,0,0,.25); font-size: 14px; line-height: 1.5; }
.help-pop strong { display: block; font-family: var(--font-display); font-weight: 400; font-size: 17px; margin-bottom: 4px; }
.help-pop p { margin: 0; }

/* ---------- Compte ---------- */
.account { border: 1px solid var(--accent); background: var(--accent-soft); border-radius: 10px; padding: 14px 16px; display: grid; gap: 8px; }
.account p { margin: 0; }
.acc-form input { flex: 1 1 220px; min-width: 0; max-width: 340px; font: 500 15px var(--font-body); color: var(--fg); background: var(--panel); border: 1px solid var(--line); border-radius: 6px; padding: 7px 10px; }