:root {
  --paper:      #e7ecef;
  --paper-line: #d4dce2;
  --card:       #ffffff;
  --ink:        #14202b;
  --ink-soft:   #5c6b78;
  --ink-faint:  #8b98a3;
  --rule:       #c6d1d9;
  --accent:     #1c4f8c;
  --accent-ink: #ffffff;
  --union:      #2c6d5c;
  --danger:     #963028;
  --g-f:        #9c3f63;
  --g-m:        #2f5d8c;
  --g-x:        #6c7480;

  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Hoefler Text", Georgia, serif;
  --sans:  system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", sans-serif;

  --bar-h: 56px;
}

* { box-sizing: border-box; }

/* Une règle auteur qui pose display: (grid|flex) l'emporte sur le [hidden] du
   navigateur : sans ceci, .modal et .empty restent visibles et bloquent la page. */
[hidden] { display: none !important; }

html, body {
  height: 100%;
  margin: 0;
}

body {
  font-family: var(--sans);
  font-size: 14px;
  color: var(--ink);
  background: var(--paper);
  overflow: hidden;
}

/* ------------------------------------------------------------- pages nues */

body.plain { overflow: auto; display: grid; place-items: start center; padding: 8vh 20px; }

.sheet {
  width: min(640px, 100%);
  background: var(--card);
  border: 1px solid var(--rule);
  border-radius: 4px;
  padding: 32px;
}
.sheet.narrow { width: min(380px, 100%); }
.sheet h1 { font-family: var(--serif); font-weight: 400; font-size: 28px; margin: 0 0 20px; }
.sheet p { line-height: 1.55; color: var(--ink-soft); }
.sheet code { font-size: 13px; background: var(--paper); padding: 1px 5px; border-radius: 3px; }

.ok    { color: var(--union); }
.alert { color: var(--danger); }
.muted { color: var(--ink-faint); font-size: 13px; }

/* --------------------------------------------------------------- barre du haut */

.bar {
  position: fixed; inset: 0 0 auto 0; height: var(--bar-h);
  display: flex; align-items: center; gap: 12px;
  padding: 0 14px;
  background: var(--card);
  border-bottom: 1px solid var(--rule);
  z-index: 40;
}

.wordmark {
  font-family: var(--serif);
  font-size: 19px; font-weight: 400; letter-spacing: .01em;
  margin: 0 6px 0 0; white-space: nowrap;
}

.spacer { flex: 1; }

.search { position: relative; }
.search input {
  width: 220px; height: 34px;
  padding: 0 10px;
  font: inherit; color: inherit;
  background: var(--paper);
  border: 1px solid transparent; border-radius: 3px;
}
.search input:focus { outline: 2px solid var(--accent); outline-offset: -1px; background: var(--card); }

.results {
  position: absolute; top: 40px; left: 0; z-index: 50;
  width: 300px; max-height: 320px; overflow: auto;
  margin: 0; padding: 4px; list-style: none;
  background: var(--card); border: 1px solid var(--rule); border-radius: 4px;
  box-shadow: 0 8px 24px rgba(20, 32, 43, .14);
}
.results li { padding: 7px 10px; border-radius: 3px; cursor: pointer; }
.results li:hover, .results li[aria-selected="true"] { background: var(--paper); }
.results .sub { color: var(--ink-faint); font-size: 12px; }

.select { display: flex; align-items: center; gap: 6px; color: var(--ink-soft); }
.select select {
  font: inherit; color: inherit; height: 32px;
  background: var(--card); border: 1px solid var(--rule); border-radius: 3px; padding: 0 6px;
}

.zoom { display: flex; gap: 6px; }

/* --------------------------------------------------------------- boutons */

.btn {
  height: 34px; padding: 0 12px;
  font: inherit; line-height: 32px;
  color: var(--ink); text-decoration: none;
  background: var(--card);
  border: 1px solid var(--rule); border-radius: 3px;
  cursor: pointer; white-space: nowrap;
}
.btn:hover { border-color: var(--ink-soft); }
.btn:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.primary:hover { background: #16406f; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--ink-soft); }
.btn.icon { width: 34px; padding: 0; font-size: 17px; }
.btn.danger { color: var(--danger); border-color: #e0c7c4; }
.btn.small { height: 28px; line-height: 26px; padding: 0 9px; font-size: 13px; }
.btn:disabled { opacity: .45; cursor: default; }

/* ---------------------------------------------------------------- scène */

#stage {
  position: fixed; inset: var(--bar-h) 0 0 0;
  background:
    linear-gradient(var(--paper-line) 1px, transparent 1px) 0 0 / 100% 28px,
    linear-gradient(90deg, var(--paper-line) 1px, transparent 1px) 0 0 / 28px 100%,
    var(--paper);
  background-blend-mode: normal;
  opacity: 1;
  overflow: hidden;
  cursor: grab;
}
#stage.panning { cursor: grabbing; }
#stage.dragging-card { cursor: default; }

#tree { width: 100%; height: 100%; display: block; }

.empty {
  position: absolute; inset: 0; display: grid; place-content: center; gap: 14px; justify-items: center;
  color: var(--ink-soft);
}

.hint {
  position: absolute; left: 14px; bottom: 12px;
  color: var(--ink-faint); font-size: 12px;
  pointer-events: none;
  transition: opacity .4s;
}
.hint.gone { opacity: 0; }

/* ----------------------------------------------------------- cartes SVG */

.card-box {
  fill: var(--card);
  stroke: var(--rule);
  stroke-width: 1;
}
.card:hover .card-box { stroke: var(--ink-soft); }
.card.selected .card-box { stroke: var(--accent); stroke-width: 2; }
.card.dimmed { opacity: .3; }
.card.dead .card-box { fill: #fbfcfc; }

.card-flag { stroke: none; }
.card-flag.F { fill: var(--g-f); }
.card-flag.M { fill: var(--g-m); }
.card-flag.X { fill: var(--g-x); }

.card-name {
  font-family: var(--serif);
  font-size: 15px; fill: var(--ink);
}
.card-sub { font-family: var(--sans); font-size: 11.5px; fill: var(--ink-soft); }
.card-dead-mark { font-family: var(--sans); font-size: 11px; fill: var(--ink-faint); }

.card { cursor: pointer; }
.card.pinned .card-box { stroke-dasharray: none; }

.link { fill: none; stroke: var(--ink-faint); stroke-width: 1.4; }
.link.child { stroke: #97a5b0; }
.link.child.adoption { stroke-dasharray: 5 4; }
.link.child.reconnaissance { stroke-dasharray: 2 4; }
.link.child.accueil { stroke-dasharray: 8 3 2 3; }
.link.couple { stroke: var(--union); stroke-width: 1.8; }
.link.couple.ended { stroke-dasharray: 6 5; }
.link.highlight { stroke: var(--accent); stroke-width: 2.4; }

.union-dot { fill: var(--union); }
.union-dot.ended { fill: var(--card); stroke: var(--union); stroke-width: 1.5; }
.union-hit { fill: transparent; cursor: pointer; }
.union-label { font-size: 10.5px; fill: var(--union); font-family: var(--sans); }

.gen-band { fill: none; }
.gen-label { font-family: var(--serif); font-size: 12px; fill: var(--ink-faint); }

/* --------------------------------------------------------------- panneau */

.panel {
  position: fixed; top: var(--bar-h); right: 0; bottom: 0; width: 360px;
  background: var(--card);
  border-left: 1px solid var(--rule);
  overflow-y: auto;
  z-index: 30;
  padding: 20px 20px 60px;
}

.panel h2 {
  font-family: var(--serif); font-weight: 400; font-size: 24px;
  margin: 0 0 2px; line-height: 1.2;
}
.panel .subline { color: var(--ink-soft); margin: 0 0 18px; }

.panel section { border-top: 1px solid var(--rule); padding: 16px 0 4px; }
.panel section h3 {
  font-size: 13px; font-weight: 600; color: var(--ink-soft);
  margin: 0 0 10px;
}

.panel-head { display: flex; align-items: flex-start; gap: 8px; }
.panel-head .grow { flex: 1; min-width: 0; }

.rel {
  display: flex; align-items: center; gap: 8px;
  padding: 7px 0;
  border-bottom: 1px dotted var(--rule);
}
.rel:last-child { border-bottom: none; }
.rel .grow { flex: 1; min-width: 0; }
.rel .who { cursor: pointer; }
.rel .who:hover { text-decoration: underline; }
.rel .meta { font-size: 12px; color: var(--ink-faint); }
.rel .acts { display: flex; gap: 4px; opacity: 0; transition: opacity .12s; }
.rel:hover .acts, .rel:focus-within .acts { opacity: 1; }

.field { display: block; margin-bottom: 12px; }
.field > span { display: block; font-size: 12px; color: var(--ink-soft); margin-bottom: 4px; }
.field input, .field select, .field textarea {
  width: 100%; font: inherit; color: inherit;
  padding: 7px 9px;
  background: var(--card);
  border: 1px solid var(--rule); border-radius: 3px;
}
.field input:focus, .field select:focus, .field textarea:focus {
  outline: 2px solid var(--accent); outline-offset: -1px;
}
.field textarea { min-height: 72px; resize: vertical; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }
.check { display: flex; align-items: center; gap: 8px; margin-bottom: 14px; color: var(--ink-soft); }
.check input { width: auto; }

.actions { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 4px; }

/* ---------------------------------------------------------------- modale */

.modal {
  position: fixed; inset: 0; z-index: 60;
  display: grid; place-items: center;
  background: rgba(20, 32, 43, .35);
  padding: 20px;
}
.modal-box {
  width: min(460px, 100%); max-height: 86vh; overflow: auto;
  background: var(--card); border-radius: 5px;
  padding: 24px;
  box-shadow: 0 18px 48px rgba(20, 32, 43, .28);
}
.modal-box h2 { font-family: var(--serif); font-weight: 400; font-size: 22px; margin: 0 0 16px; }

/* ----------------------------------------------------------------- toast */

.toast {
  position: fixed; left: 50%; bottom: 26px; transform: translateX(-50%);
  z-index: 80;
  background: var(--ink); color: #fff;
  padding: 10px 16px; border-radius: 4px;
  max-width: 80vw;
}
.toast.error { background: var(--danger); }

/* --------------------------------------------------------- petit écran */

@media (max-width: 760px) {
  .wordmark, .select span { display: none; }
  .search input { width: 130px; }
  .panel { width: 100%; top: auto; height: 62vh; border-left: none; border-top: 1px solid var(--rule); }
  .bar { gap: 8px; padding: 0 8px; overflow-x: auto; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}

/* ------------------------------------------------- bandeau d'avertissement */

.warn-strip {
  position: fixed; top: var(--bar-h); left: 0; right: 0; z-index: 35;
  margin: 0; padding: 8px 14px;
  background: #fdf3e7; color: #7a4a12;
  border-bottom: 1px solid #eccfa4;
  font-size: 13px;
}
.warn-strip code { background: rgba(0, 0, 0, .06); padding: 1px 5px; border-radius: 3px; }
#stage.with-strip { top: calc(var(--bar-h) + 35px); }