/* Hérédix — feuille de style commune (professeur + élève)
   Licence AGPLv3 — © Clément Lefèvre */
:root {
  --bg: #f7f5f0; --panel: #fff; --border: #d0cdc7; --border-soft: #e6e2da;
  --text: #1a1814; --muted: #6b6860; --accent: #2c5f8a; --accent-dark: #245079; --accent-light: #e8f0f7;
  --ok: #2e7d4f; --ok-l: #e3f1e8; --ko: #c0392b; --ko-l: #fbe9e7; --warn: #9a5a07; --warn-l: #fdf3e1;
  --radius: 8px; --shadow: 0 1px 4px rgba(0,0,0,.08);
  --font: 'Segoe UI', system-ui, -apple-system, sans-serif;
  --serif: Georgia, 'Times New Roman', serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { -webkit-text-size-adjust: 100%; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.45; font-size: 15px; }
a { color: var(--accent); }
button, input, select, textarea { font: inherit; color: inherit; }

/* ── En-tête ── */
.topbar { display: flex; align-items: center; gap: 14px; padding: 10px 20px; background: var(--panel);
  border-bottom: 1px solid var(--border); box-shadow: var(--shadow); position: sticky; top: 0; z-index: 20; flex-wrap: wrap; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--text); }
.brand img { width: 30px; height: 30px; }
.brand h1 { font-size: 1.08rem; font-weight: 700; letter-spacing: -.01em; color: var(--accent); }
.brand h1 span { color: var(--muted); font-weight: 400; }
.tabs { display: flex; gap: 4px; margin-left: auto; flex-wrap: wrap; }
.tab { border: 1px solid transparent; background: none; padding: 7px 14px; border-radius: var(--radius); cursor: pointer; color: var(--muted); font-size: .9rem; }
.tab:hover { background: var(--bg); color: var(--text); }
.tab.active { background: var(--accent-light); color: var(--accent); border-color: #c6d9ea; font-weight: 600; }
.badge { display: inline-block; font-size: .72rem; font-weight: 700; letter-spacing: .04em; text-transform: uppercase;
  padding: 3px 9px; border-radius: 99px; background: var(--accent-light); color: var(--accent); }
.badge.eval { background: #f3e6f7; color: #6c2f86; }

/* ── Mise en page ── */
main { max-width: 1320px; margin: 0 auto; padding: 18px 20px 60px; }
.cols { display: grid; grid-template-columns: minmax(340px, 470px) 1fr; gap: 18px; align-items: start; }
.sticky { position: sticky; top: 70px; }
@media (max-width: 960px) { .cols { grid-template-columns: 1fr; } .sticky { position: static; } }
.narrow { max-width: 920px; margin: 0 auto; }

.card { background: var(--panel); border: 1px solid var(--border); border-radius: 10px; padding: 16px 18px; box-shadow: var(--shadow); margin-bottom: 14px; }
.card > h2 { font-size: .95rem; font-weight: 700; color: var(--accent); margin-bottom: 10px; display: flex; align-items: center; gap: 8px; }
.card > h2 .num { display: inline-grid; place-items: center; width: 22px; height: 22px; border-radius: 50%; background: var(--accent); color: #fff; font-size: .75rem; }
.card h3 { font-size: .9rem; margin: 12px 0 6px; }
.hint { font-size: .8rem; color: var(--muted); }
.hint b { color: var(--text); }
.sep { border: none; border-top: 1px solid var(--border-soft); margin: 12px 0; }

/* ── Formulaires ── */
.field { display: flex; flex-direction: column; gap: 4px; margin-bottom: 10px; }
.field > label, .lbl { font-size: .72rem; font-weight: 700; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.row { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-end; }
.row > .field { flex: 1 1 120px; }
input[type=text], input[type=password], input[type=number], select, textarea {
  padding: 7px 10px; border: 1px solid var(--border); border-radius: 6px; background: #fcfbf8; font-size: .9rem; width: 100%; }
input:focus, select:focus, textarea:focus, button:focus-visible, .ind:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
textarea { resize: vertical; min-height: 70px; font-family: ui-monospace, Consolas, monospace; font-size: .82rem; }
.check { display: flex; align-items: center; gap: 8px; font-size: .88rem; padding: 3px 0; cursor: pointer; }
.check input { accent-color: var(--accent); width: 16px; height: 16px; }
.seg { display: inline-flex; border: 1px solid var(--border); border-radius: 7px; overflow: hidden; background: #fcfbf8; }
.seg label { padding: 6px 12px; font-size: .86rem; cursor: pointer; border-right: 1px solid var(--border); }
.seg label:last-child { border-right: none; }
.seg label { position: relative; }
.seg input { position: absolute; opacity: 0; width: 1px; height: 1px; pointer-events: none; }
.seg label:has(input:focus-visible) { outline: 2px solid var(--accent); outline-offset: -2px; }
.seg label:has(input:checked) { background: var(--accent); color: #fff; }

/* ── Boutons ── */
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 6px; padding: 7px 14px; border-radius: 7px;
  border: 1px solid var(--border); background: var(--panel); cursor: pointer; font-size: .86rem; transition: background .15s, border-color .15s; text-decoration: none; color: var(--text); }
.btn:hover { background: var(--bg); border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.primary:hover { background: var(--accent-dark); }
.btn.big { padding: 10px 20px; font-size: .95rem; font-weight: 600; }
.btn.small { padding: 4px 10px; font-size: .78rem; }
.btn.ghost { border-color: transparent; background: none; color: var(--muted); }
.btn.ghost:hover { color: var(--ko); background: var(--ko-l); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.btns { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }

/* ── Messages ── */
.msgs { display: flex; flex-direction: column; gap: 6px; margin-top: 10px; }
.msg { font-size: .82rem; padding: 7px 10px; border-radius: 6px; border-left: 3px solid; }
.msg.err { background: var(--ko-l); border-color: var(--ko); }
.msg.warn { background: var(--warn-l); border-color: var(--warn); }
.msg.info { background: var(--accent-light); border-color: var(--accent); }
.msg.ok { background: var(--ok-l); border-color: var(--ok); }
.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); background: #1a1814; color: #fff; padding: 9px 16px;
  border-radius: 8px; font-size: .88rem; z-index: 999; box-shadow: 0 6px 20px rgba(0,0,0,.25); opacity: 0; transition: opacity .2s; pointer-events: none; }
.toast.show { opacity: 1; }

/* ── Arbre ── */
.tree-box { background: #fff; border: 1px solid var(--border-soft); border-radius: 8px; padding: 6px; overflow-x: auto; }
.tree-box svg.tree { display: block; width: 100%; height: auto; max-height: 520px; min-width: 420px; }
svg.tree.selectable .ind { cursor: pointer; }
svg.tree.selectable .ind:hover circle, svg.tree.selectable .ind:hover rect:not([fill=transparent]) { filter: drop-shadow(0 0 3px rgba(44,95,138,.6)); }
svg.tree.draggable .ind { cursor: ew-resize; touch-action: none; }
.legend { display: flex; gap: 18px; flex-wrap: wrap; font-size: .85rem; margin-top: 8px; }
.legend span { display: inline-flex; align-items: center; gap: 5px; }
.legend svg { vertical-align: middle; }
ul.donnees { list-style: none; margin-top: 8px; font-size: .88rem; }
ul.donnees .star { color: #b0570b; font-size: 1.05rem; margin-right: 3px; }
.selbar { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: .85rem; margin: 8px 0 6px; }
.selbar .chips { display: flex; gap: 4px; flex-wrap: wrap; }
.pill { display: inline-block; padding: 2px 8px; border-radius: 99px; background: var(--accent-light); color: var(--accent); font-weight: 600; font-size: .8rem; }

/* ── Analyse (professeur) ── */
table.modes { width: 100%; border-collapse: collapse; font-size: .85rem; }
table.modes td, table.modes th { padding: 5px 8px; border-bottom: 1px solid var(--border-soft); text-align: left; }
table.modes tr.decl td { background: var(--accent-light); font-weight: 600; }
.st-ok { color: var(--ok); font-weight: 600; } .st-ko { color: var(--ko); font-weight: 600; }
.linkbox { display: flex; gap: 6px; margin-top: 8px; }
.linkbox input { font-family: ui-monospace, Consolas, monospace; font-size: .76rem; }
.idtag { font-family: ui-monospace, Consolas, monospace; font-weight: 700; letter-spacing: .08em; background: var(--bg); border: 1px solid var(--border); border-radius: 5px; padding: 1px 7px; }
.drop { border: 2px dashed var(--border); border-radius: 10px; padding: 14px; text-align: center; color: var(--muted); font-size: .85rem; transition: background .15s, border-color .15s; }
.drop.over { border-color: var(--accent); background: var(--accent-light); }
.genolist { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 2px 10px; }
.genolist .check.disabled { opacity: .45; cursor: not-allowed; }
.genolist .g { font-size: .78rem; color: var(--muted); margin-left: auto; }
.list-item { display: flex; align-items: center; gap: 8px; padding: 5px 0; border-bottom: 1px solid var(--border-soft); font-size: .86rem; }
.list-item .grow { flex: 1; }

/* ── Élève : étapes ── */
.step { position: relative; }
.step.locked { opacity: .55; }
.question { font-weight: 600; margin: 4px 0 8px; }
.choices { display: flex; flex-direction: column; gap: 6px; }
.choice { display: flex; align-items: flex-start; gap: 9px; padding: 8px 11px; border: 1px solid var(--border); border-radius: 7px; cursor: pointer; background: #fcfbf8; font-size: .9rem; }
.choice:hover { border-color: var(--accent); }
.choice input { margin-top: 3px; accent-color: var(--accent); }
.choice:has(input:checked) { border-color: var(--accent); background: var(--accent-light); }
.choice:has(input:disabled) { cursor: default; }
.sub { border-top: 1px solid var(--border-soft); padding-top: 12px; margin-top: 12px; }
.sub:first-of-type { border-top: none; margin-top: 0; padding-top: 0; }
.proofbox { margin-top: 10px; padding: 10px; border-radius: 8px; background: #f2f6fa; border: 1px solid #d3e2ef; }
.proofbox .tree-box { border-color: #d3e2ef; }
.chipset { display: flex; gap: 6px; flex-wrap: wrap; }
.chip { padding: 6px 12px; border: 1px solid var(--border); border-radius: 99px; background: #fcfbf8; cursor: pointer; font-size: .92rem; font-family: var(--serif); }
.chip:hover { border-color: var(--accent); }
.chip.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.chip:disabled { cursor: default; }
.genorow { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; padding: 7px 0; }
.genorow .who { min-width: 120px; font-weight: 600; }
.gamrow { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin: 6px 0; }
.gamrow .who { min-width: 160px; font-size: .88rem; }
.gam { display: inline-flex; align-items: center; gap: 4px; border: 1px solid var(--border); border-radius: 8px; padding: 3px 4px 3px 8px; background: #fcfbf8; }
.gam.on { border-color: var(--accent); background: var(--accent-light); }
.gam .chip { border: none; background: none; padding: 3px 4px; }
.gam.on .chip { color: var(--accent); font-weight: 700; }
.gam select { width: auto; padding: 2px 4px; font-size: .8rem; }

table.punnett { border-collapse: collapse; margin: 10px 0; font-family: var(--serif); font-size: .95rem; }
table.punnett th, table.punnett td { border: 1px solid #b9b4aa; padding: 6px 10px; text-align: center; min-width: 96px; }
table.punnett th { background: #f3f0ea; font-weight: 600; }
table.punnett th.corner { font-family: var(--font); font-size: .72rem; font-weight: 600; color: var(--muted); text-align: left; line-height: 1.3; }
table.punnett td.aff { background: #fbe4e0; font-weight: 700; }
table.punnett .pct { display: block; font-family: var(--font); font-size: .74rem; color: var(--muted); font-weight: 400; }
table.punnett td .cellbtn { border: 1px dashed var(--border); background: #fff; border-radius: 6px; padding: 4px 8px; cursor: pointer; min-width: 84px; font-family: var(--serif); }
table.punnett td .cellbtn.filled { border-style: solid; border-color: var(--accent); }
.respline { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 8px; }
.respline input { width: 110px; }

.popover { position: absolute; z-index: 300; background: #fff; border: 1px solid var(--border); border-radius: 8px; box-shadow: 0 8px 26px rgba(0,0,0,.18); padding: 6px; display: flex; flex-direction: column; gap: 2px; }
.popover button { border: none; background: none; padding: 6px 12px; text-align: left; border-radius: 5px; cursor: pointer; font-family: var(--serif); font-size: .95rem; }
.popover button:hover { background: var(--accent-light); }

.feedback { margin-top: 12px; border-radius: 8px; padding: 10px 12px; font-size: .88rem; border: 1px solid; }
.feedback.ok { background: var(--ok-l); border-color: #b7dcc4; }
.feedback.mid { background: var(--warn-l); border-color: #ecd3a8; }
.feedback.ko { background: var(--ko-l); border-color: #efc2bb; }
.feedback .verdict { font-weight: 700; margin-bottom: 4px; }
.feedback .model { margin-top: 6px; }
.feedback .tree-box { margin-top: 8px; }
.saved { margin-top: 10px; font-size: .85rem; color: var(--muted); display: flex; align-items: center; gap: 6px; }
.scorebig { font-size: 2.2rem; font-weight: 800; color: var(--accent); font-family: var(--serif); }
.codebox { font-family: ui-monospace, Consolas, monospace; font-size: 1.5rem; letter-spacing: .12em; font-weight: 700; padding: 8px 14px; border: 2px solid var(--text); border-radius: 8px; display: inline-block; background: #fff; }
.corr-item { padding: 10px 0; border-bottom: 1px solid var(--border-soft); }
.corr-item:last-child { border-bottom: none; }
.corr-item .exp { font-weight: 700; }
.ident .row .field { flex: 1 1 180px; }

table.results { width: 100%; border-collapse: collapse; font-size: .86rem; margin-top: 10px; }
table.results th, table.results td { padding: 6px 8px; border-bottom: 1px solid var(--border-soft); text-align: left; }
table.results th { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
table.results td.note { font-weight: 700; font-size: 1rem; }
.help h3 { margin-top: 16px; color: var(--accent); }
.help p, .help li { font-size: .9rem; margin: 6px 0; }
.help ul { padding-left: 20px; }
.help pre { background: #fcfbf8; border: 1px solid var(--border); border-radius: 6px; padding: 10px; font-size: .78rem; overflow-x: auto; }
.help code { background: #f0ede6; padding: 1px 4px; border-radius: 3px; font-size: .85em; }

footer.foot { text-align: center; font-size: .76rem; color: var(--muted); padding: 14px; }
footer.foot a { color: var(--muted); }
.hidden { display: none !important; }

/* ── Copie imprimée ── */
#print { display: none; }
@media print {
  @page { size: A4; margin: 14mm 13mm; }
  body { background: #fff; font-size: 11pt; }
  body > *:not(#print) { display: none !important; }
  #print { display: block; }
  .p-head { display: grid; grid-template-columns: 1fr auto; gap: 6px 20px; border: 1.5px solid #000; border-radius: 6px; padding: 8px 12px; margin-bottom: 10px; }
  .p-head .name { font-size: 15pt; font-weight: 700; }
  .p-head .meta { font-size: 9pt; color: #333; text-align: right; }
  .p-sec { break-inside: avoid; margin: 10px 0; padding-bottom: 6px; border-bottom: 1px solid #ccc; }
  .p-sec h2 { font-size: 11.5pt; margin-bottom: 4px; }
  .p-sec .ans { margin: 3px 0 3px 10px; }
  .p-sec .tree-box { border: none; padding: 0; overflow: visible; }
  .p-sec .tree-box svg.tree { max-height: 64mm; min-width: 0; width: auto; max-width: 100%; }
  .p-sec .tree-box.small svg.tree { max-height: 46mm; }
  .p-mark { font-weight: 700; }
  .p-mark.ok { color: #1d6b3d; } .p-mark.ko { color: #a3281b; } .p-mark.mid { color: #8a5200; }
  .p-corr { font-size: 9.5pt; color: #333; margin: 2px 0 2px 10px; font-style: italic; }
  .p-code { margin-top: 12px; display: flex; gap: 20px; align-items: center; border: 1.5px solid #000; border-radius: 6px; padding: 8px 12px; break-inside: avoid; }
  .p-code .codebox { font-size: 16pt; }
  table.punnett { font-size: 10pt; } table.punnett th, table.punnett td { padding: 3px 7px; min-width: 70px; }
  .p-foot { margin-top: 10px; font-size: 8pt; color: #555; text-align: center; }
  .p-id { margin-top: 4px; font: 5pt/1.2 ui-monospace, Menlo, Consolas, monospace; color: #999; word-break: break-all; text-align: center; }
}

/* Arbres des corrigés : plus compacts à l'écran */
.feedback .tree-box svg.tree, #corr .tree-box svg.tree { max-height: 340px; }

/* Schémas de chromosomes (collège) */
svg.chr { display: inline-block; vertical-align: middle; overflow: visible; }
.chip:has(svg.chr) { border-radius: 10px; padding: 4px 8px; }
.chip.on svg.chr text { fill: #fff; }
.genolist .g svg.chr { height: 40px; width: auto; }
.schema-prev { display: flex; gap: 18px; flex-wrap: wrap; align-items: flex-end; background: #fff; border: 1px solid var(--border-soft); border-radius: 8px; padding: 8px; margin: 4px 0 8px; }
.builds { display: flex; gap: 10px; flex-wrap: wrap; align-items: flex-start; }
.build { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 8px 10px; border: 1px solid var(--border); border-radius: 10px; background: #fcfbf8; position: relative; }
.build.complete { border-color: var(--accent); background: var(--accent-light); }
.build .ctl { display: flex; gap: 10px; flex-wrap: wrap; justify-content: center; }
.build .ctl > div { display: flex; flex-direction: column; align-items: center; gap: 3px; }
.build .ctl .lbl { font-size: .62rem; }
.build .ctl .opts { display: flex; gap: 3px; }
.build .al { min-width: 32px; padding: 3px 7px; border: 1px solid var(--border); border-radius: 6px; background: #fff; cursor: pointer; font-family: var(--serif); font-weight: 700; display: inline-flex; align-items: center; gap: 4px; }
.build .al .sw { width: 10px; height: 7px; border: 1px solid #3b3833; display: inline-block; }
.build .al.on { border-color: var(--accent); box-shadow: 0 0 0 2px var(--accent) inset; }
.build .al:disabled { cursor: default; }
.build .rm { position: absolute; top: 2px; right: 4px; border: none; background: none; color: var(--muted); cursor: pointer; font-size: .9rem; }
.addbuild { align-self: center; }
table.punnett td .cellbtn:has(svg.chr) { padding: 3px 6px; }

/* Échiquier construit chromosome par chromosome (0.7.2) */
.pun-wrap { display: flex; gap: 16px; align-items: flex-start; flex-wrap: wrap; }
table.punnett.build-grid td { padding: 6px 8px; }
table.punnett.build-grid td.bad { background: var(--ko-l); }
.slotpair { display: inline-flex; align-items: flex-end; gap: 4px; }
.slotpair.txt { align-items: center; font-family: var(--serif); font-size: 1rem; gap: 2px; }
.slotpair.txt .sep { margin: 0 1px; }
.slot { min-width: 40px; min-height: 64px; border: 2px dashed #b9b4aa; border-radius: 8px; background: #fff; cursor: pointer; display: inline-flex; align-items: center; justify-content: center; padding: 2px 4px; }
.slotpair.txt .slot { min-height: 34px; min-width: 34px; }
.slot.full { border-style: solid; border-color: var(--accent); background: var(--accent-light); }
.slot.over { border-color: var(--accent); background: #d6e6f5; }
.slot .plus { color: #b9b4aa; font-size: 1.1rem; font-weight: 700; }
.slot:disabled { cursor: default; }
.reserve { border: 1px solid var(--border); border-radius: 10px; padding: 10px; background: #fcfbf8; max-width: 260px; }
.reserve .toks { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 6px; }
.tok { border: 1px solid var(--border); border-radius: 8px; background: #fff; padding: 4px 6px; cursor: grab; touch-action: none; display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 40px; }
.tok:hover { border-color: var(--accent); }
.tok.picked { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent) inset; background: var(--accent-light); }
.tk { font-family: var(--serif); font-weight: 700; font-size: 1rem; }
.ghost { position: fixed; z-index: 1000; pointer-events: none; transform: translate(-50%, -50%); background: #fff; border: 2px solid var(--accent); border-radius: 8px; padding: 4px 6px; box-shadow: 0 6px 18px rgba(0,0,0,.2); }

/* Comparaison réponse de l'élève / réponse attendue (0.7.2) */
.cmp { display: flex; gap: 12px; flex-wrap: wrap; margin: 6px 0; }
.cmp-col { border-radius: 8px; padding: 6px 10px; border: 1px solid; background: #fff; display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.cmp-col .lbl { width: 100%; }
.cmp-col.ko { border-color: #e2a59c; }
.cmp-col.ok { border-color: #9fcdb0; }
.cmp .ou { font-size: .8rem; color: var(--muted); }

/* Sujet papier (0.8.0) */
@media print {
  .pchoice { margin: 3px 0 3px 8px; }
  .pbox { display: inline-block; width: 11px; height: 11px; border: 1.3px solid #000; margin-right: 6px; vertical-align: -1px; }
  .pinstr { font-size: 9.5pt; font-style: italic; color: #333; margin: 4px 0; }
  .pgeno .pg { display: flex; align-items: center; gap: 10px; flex-wrap: wrap; margin: 6px 0; }
  table.punnett.pblank td, table.punnett.pblank th { height: 26mm; min-width: 30mm; }
  table.punnett.pblank th.corner { height: auto; }
  .p-break { break-after: page; }
}

/* Lien d'identification des copies : invisible à l'œil */
a.copylink { color: inherit; text-decoration: none; }

/* Contexte et consultation de génétique (0.8.2) */
.contexte { margin: 2px 0 10px; padding: 10px 12px; border-left: 3px solid var(--border); background: #faf8f4; border-radius: 0 6px 6px 0; }
.contexte p + p { margin-top: 6px; }
.consult { margin: 4px 0 12px; padding: 10px 12px; border: 1px solid #e8c9a6; background: #fdf6ee; border-radius: var(--radius); }
.consult-h { font-weight: 700; color: #8a4a0c; font-size: .9rem; margin-bottom: 4px; }
.consult p + p { margin-top: 6px; }
.consult .hint { margin-top: 6px; }
.p-msg { margin-top: 6px; padding: 6px 8px; border: 1px solid #ccc; border-radius: 4px; }
.p-msg .lbl { font-size: 8pt; color: #555; margin-bottom: 2px; }
.plines { border-bottom: 1px dotted #999; height: 22px; }
@media print {
  .contexte { background: none; border-left-color: #999; }
  .consult { background: none; border-color: #999; break-inside: avoid; }
  .consult .hint { display: none; }
}
.field label .hint { text-transform: none; letter-spacing: 0; font-weight: 400; }
#f-contexte, #f-demande, #cr-msg { font-family: var(--font); width: 100%; resize: vertical; }