/* Calculs topographiques (bloc calculs-topo) — styles propres à l'outil, variables du site (thèmes clair et sombre). */
.ct-tool { --ct-err: #b3261e; --ct-d: #7a3d12; --ct-r: #1d4f8a; max-width: 980px; }
:root[data-theme="dark"] .ct-tool { --ct-err: #ffb4ab; --ct-d: #f2b27a; --ct-r: #9cc2ff; }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ct-tool { --ct-err: #ffb4ab; --ct-d: #f2b27a; --ct-r: #9cc2ff; } }
.ct-tool, .ct-tool * { min-width: 0; }
.ct-privacy { color: var(--muted); font-size: .92rem; margin: 0 0 1rem; }

/* Onglets */
.ct-tabs { display: flex; flex-wrap: wrap; gap: 4px; background: var(--sand); border-radius: 22px; padding: 4px; margin-bottom: 1.2rem; }
.ct-tabs [role=tab] { font: inherit; font-weight: 650; font-size: .95rem; border: 0; background: none; padding: .6rem 1rem; border-radius: 999px; cursor: pointer; color: var(--text); flex: 1 1 auto; min-height: 44px; }
.ct-tabs [role=tab]:hover { background: color-mix(in srgb, var(--text) 8%, transparent); }
.ct-tabs [role=tab][aria-selected="true"] { background: var(--ink); color: #fff; box-shadow: inset 0 -3px 0 var(--copper); }
:root[data-theme="dark"] .ct-tabs [role=tab][aria-selected="true"] { background: #eeecff; color: var(--ink); }
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) .ct-tabs [role=tab][aria-selected="true"] { background: #eeecff; color: var(--ink); } }

/* Panneaux et champs */
.ct-panel { gap: 1rem; }
.ct-panel:focus-visible { outline: 2px solid var(--copper); outline-offset: 3px; }
.ct-ptitle { font-size: clamp(1.3rem, 1.1rem + .8vw, 1.7rem); margin: 0; }
.ct-h { font-size: 1.15rem; margin: 1rem 0 0; padding-top: 1rem; border-top: 1px solid var(--line); }
.ct-intro { margin: 0; color: var(--text); }
.ct-intro a { color: var(--g-text); }
.ct-ex { font: inherit; font-weight: 650; font-size: .9rem; color: var(--g-text); background: none; border: 1px solid currentColor; border-radius: 999px; padding: .25rem .8rem; cursor: pointer; margin-inline-start: .3rem; min-height: 32px; }
.ct-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 11rem), 1fr)); gap: .8rem 1rem; align-items: start; }
.ct-row[hidden], .ct-f[hidden], .ct-pt[hidden] { display: none; }
.ct-row2 { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 20rem), 1fr)); gap: 1rem; }
.ct-f { display: grid; gap: .35rem; align-content: start; }
.ct-tool .ct-f > label { display: block; font-weight: 600; font-size: .92rem; }
.ct-f .hint { margin: 0; }
.ct-tool .opt { font-weight: 400; color: var(--muted); font-size: .85em; }
.ct-tool .form input, .ct-panel input[type=text], .ct-panel select, .ct-panel textarea { font: inherit; font-size: 1rem; padding: .7rem .85rem; border: 1px solid var(--input-line); border-radius: 10px; background: var(--paper); color: var(--text); width: 100%; }
.ct-panel input[type=text] { font-family: var(--mono); font-size: .95rem; }
.ct-panel input:focus, .ct-panel select:focus, .ct-panel textarea:focus { outline: 2px solid var(--copper); outline-offset: 0; border-color: transparent; }
.ct-panel [aria-invalid="true"] { border: 2px solid var(--ct-err); }
.ct-err { display: block; color: var(--ct-err); font-size: .85rem; font-weight: 600; }
.ct-err::before { content: "⚠ "; }
.ct-chk { grid-template-columns: auto 1fr; align-items: center; column-gap: .6rem; }
.ct-chk input { width: 20px; height: 20px; accent-color: var(--green); margin: 0; }
.ct-chk > label { font-weight: 600; }
.ct-chk .hint { grid-column: 2; }
.ct-pt, .ct-radios { border: 1px solid var(--line); border-radius: 12px; padding: .8rem 1rem 1rem; margin: 0; }
.ct-pt legend, .ct-radios legend { font-weight: 700; font-size: .95rem; padding-inline: .3rem; }
.ct-radios > div { display: flex; flex-wrap: wrap; gap: .5rem; }
.ct-tool label.ct-r { display: inline-flex; align-items: center; gap: .5rem; font-weight: 500; padding: .45rem .8rem; border: 1px solid var(--line); border-radius: 999px; cursor: pointer; }
.ct-tool .ct-r input[type=radio] { accent-color: var(--green); width: 18px; height: 18px; margin: 0; padding: 0; flex: none; }
.ct-r:has(input:checked) { border-color: var(--g-text); box-shadow: inset 0 0 0 1px var(--g-text); }
.ct-radios .hint { display: block; margin-top: .4rem; }
.ct-go { display: flex; flex-wrap: wrap; gap: .6rem; }
.ct-go .btn, .ct-actions .btn, .ct-foot .btn { border: 1px solid var(--copper-btn); cursor: pointer; font: inherit; font-weight: 650; padding: .75rem 1.2rem; }
.ct-go .btn.ghost, .ct-actions .btn.ghost, .ct-foot .btn.ghost { border-color: currentColor; color: var(--text); }
.ct-more, .ct-import, .ct-det { border: 1px dashed var(--line); border-radius: 12px; padding: .7rem 1rem; }
.ct-more summary, .ct-import summary, .ct-det summary { cursor: pointer; font-weight: 650; }
.ct-more[open], .ct-import[open] { display: grid; gap: .8rem; }
.ct-import textarea { font-family: var(--mono); font-size: .88rem; }
.ct-msg { margin: 0; font-weight: 600; font-size: .92rem; }
.ct-msg.ok { color: var(--g-text); } .ct-msg.err { color: var(--ct-err); }
.ct-msg:empty { display: none; }

/* Tableaux éditables (défilement horizontal interne si nécessaire) */
.ct-tbl { position: relative; overflow-x: auto; max-width: 100%; border: 1px solid var(--line); border-radius: 12px; }
.ct-tbl:focus-visible { outline: 2px solid var(--copper); outline-offset: 2px; }
.ct-edit, .ct-rtab { border-collapse: collapse; width: 100%; font-size: .92rem; }
.ct-edit caption, .ct-rtab caption { text-align: start; font-weight: 700; padding: .6rem .8rem; }
.ct-edit th, .ct-edit td { padding: .3rem; border-top: 1px solid var(--line); text-align: start; vertical-align: middle; }
.ct-edit thead th { font-size: .8rem; color: var(--muted); font-weight: 650; white-space: normal; min-width: 4rem; }
.ct-edit tbody th { font-size: .82rem; color: var(--muted); font-weight: 650; padding-inline: .6rem; white-space: nowrap; }
.ct-edit input[type=text] { min-width: 6.5rem; padding: .5rem .55rem; font-size: .9rem; }
.ct-edit td:nth-child(2) input { min-width: 5rem; }
.ct-del { font: inherit; font-size: 1.2rem; line-height: 1; width: 40px; height: 40px; border-radius: 10px; border: 1px solid var(--line); background: none; color: var(--text); cursor: pointer; }
.ct-del:hover { border-color: var(--ct-err); color: var(--ct-err); }
.ct-grid td { min-width: 6.5rem; }
.ct-node { display: grid; grid-template-columns: auto 1fr; gap: .25rem .35rem; align-items: center; }
.ct-node label { font-size: .72rem; font-weight: 700; color: var(--muted); }
.ct-grid input[type=text] { min-width: 5.2rem; }

/* Résultat : carte sombre (comme le convertisseur Lambert) */
.ct-out:empty { display: none; }
.ct-out { display: grid; gap: .8rem; }
.ct-status.err { color: var(--ct-err); font-weight: 650; margin: 0; }
.ct-res { background: var(--ink); color: #eeecff; border: 1px solid var(--line); border-radius: 14px; padding: clamp(1rem, .8rem + 1vw, 1.6rem); overflow-wrap: anywhere; }
.ct-rt { font-family: var(--mono); font-size: .8rem; color: #f0b27e; margin: 0 0 .9rem; letter-spacing: .02em; }
[dir="rtl"] .ct-rt { font-family: var(--sans); font-size: .95rem; }
.ct-rh { font-size: 1rem; color: #eeecff; margin: 1.2rem 0 .6rem; }
.ct-dl { margin: 0; display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); gap: .7rem 1.4rem; }
.ct-dl > div { border-top: 1px solid rgba(236, 234, 255, .14); padding-top: .5rem; }
.ct-dl dt { font-size: .82rem; color: rgba(236, 234, 255, .78); }
.ct-dl dd { margin: .15rem 0 0; font-family: var(--mono); font-size: 1.08rem; overflow-wrap: anywhere; }
.ct-sub { display: block; font-size: .82em; color: rgba(236, 234, 255, .8); margin-top: .1rem; }
.ct-small { font-size: .86rem; color: rgba(236, 234, 255, .82); margin: .9rem 0 0; }
.ct-warn { color: #ffd8b5; font-weight: 600; margin: .8rem 0 0; }
.ct-split { display: grid; grid-template-columns: 1fr minmax(0, 180px); gap: 1.2rem; align-items: start; }
@media (max-width: 640px) { .ct-split { grid-template-columns: 1fr; } .ct-sketch { max-width: 170px; } }
.ct-sketch { width: 100%; height: auto; background: rgba(255, 255, 255, .04); border-radius: 12px; }
.ct-res .ct-tbl { border-color: rgba(236, 234, 255, .18); margin-top: 1rem; }
.ct-res .ct-tbl:focus-visible { outline-color: #f0b27e; }
.ct-rtab th, .ct-rtab td { padding: .45rem .6rem; border-top: 1px solid rgba(236, 234, 255, .14); text-align: end; font-family: var(--mono); font-size: .86rem; white-space: nowrap; }
.ct-rtab thead th { font-family: var(--sans); font-size: .78rem; color: rgba(236, 234, 255, .8); font-weight: 650; white-space: normal; vertical-align: bottom; }
.ct-rtab tbody th { text-align: start; font-weight: 600; }
.ct-rtab caption { color: #eeecff; }
.ct-htab td.d { color: #ffc89a; } .ct-htab td.r { color: #a9cbff; }
.ct-det { border-color: rgba(236, 234, 255, .2); margin-top: 1rem; }
.ct-det summary { color: #eeecff; }
.ct-res a { color: #f0b27e; }
.ct-actions { display: flex; flex-wrap: wrap; gap: .6rem; }
.ct-help { margin: 0; font-size: .95rem; }
.ct-help a { color: var(--g-text); font-weight: 650; }
.ct-surface { margin: 1.4rem 0 0; }
.ct-surface a { color: var(--g-text); }
.ct-foot { display: flex; flex-wrap: wrap; align-items: center; gap: .6rem 1rem; margin-top: 1.2rem; }
.ct-foot .hint { margin: 0; }
.ct-foot .ct-msg { flex-basis: 100%; color: var(--g-text); }

@media (max-width: 480px) {
  .ct-tabs [role=tab] { padding: .55rem .7rem; font-size: .9rem; }
  .ct-panel.form { padding: 1rem; }
  .ct-pt, .ct-radios { padding: .6rem .7rem .8rem; }
}
@media (prefers-reduced-motion: reduce) { .ct-tool * { transition: none !important; animation: none !important; } }
.a11y-rm .ct-tool * { transition: none !important; animation: none !important; }

/* Impression : seulement le résultat de l'onglet affiché */
@media print {
  .skip, .top, .foot, .page-head, main > section:not(#outil), .ct-tabs, .ct-privacy, .ct-surface, .ct-foot, .ct-actions, .ct-help, .ct-ex,
  .ct-panel > :not(.ct-out):not(.ct-ptitle), .ct-panel > .ct-out:empty, .ct-status { display: none !important; }
  #outil { padding: 0 !important; }
  .ct-tool { max-width: none; }
  .ct-panel.form { border: 0; padding: 0; background: none; }
  .ct-res { background: #fff !important; color: #000 !important; border: 1px solid #999; }
  .ct-res *, .ct-rt, .ct-rh, .ct-sub, .ct-small, .ct-dl dt, .ct-rtab thead th, .ct-htab td.d, .ct-htab td.r, .ct-det summary { color: #000 !important; }
  .ct-dl > div, .ct-rtab th, .ct-rtab td { border-color: #bbb !important; }
  .ct-tbl { overflow: visible; border: 0; }
  .ct-det > :not(summary) { display: block; }
  .ct-sketch { background: #fff; filter: invert(1) grayscale(1); }
  .ct-rtab th, .ct-rtab td { white-space: normal; }
}
.ct-tool .ct-rtab th:first-child { min-width: 4.5rem; white-space: nowrap; }
.ct-tool .ct-edit thead th:first-child { min-width: 2rem; }
.ct-tool .btn { white-space: normal; max-width: 100%; text-align: center; overflow-wrap: anywhere; }