/* ===================================================
   ARBRE GÉNÉALOGIQUE — style.css
   Aesthetic : Patrimoine Élégant — Heritage Moderne
   Fonts    : Playfair Display (display) + DM Sans (body)
   ================================================= */

/* ─── Google Fonts import ────────────────────────── */
@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:ital,wght@0,400;0,500;0,600;0,700;1,400;1,500&family=DM+Sans:ital,wght@0,400;0,500;0,600;1,400;1,500&display=swap');

/* ─── Variables ─────────────────────────────────── */
:root {
  /* Typographie — NOUVEAU SYSTÈME OPTIMISÉ */
  --font-display : 'Playfair Display', 'Cormorant Garamond', 'Georgia', serif;
  --font-body    : 'DM Sans', 'Inter', system-ui, -apple-system, sans-serif;
  
  /* Tailles de base (échelle modulaire 1.25) */
  --text-xs   : 0.75rem;   /* 12px */
  --text-sm   : 0.875rem;  /* 14px */
  --text-base : 1rem;      /* 16px */
  --text-md   : 1.125rem;  /* 18px */
  --text-lg   : 1.25rem;   /* 20px */
  --text-xl   : 1.5rem;    /* 24px */
  --text-2xl  : 1.75rem;   /* 28px */
  --text-3xl  : 2rem;      /* 32px */
  
  /* Graisses de caractères */
  --font-light    : 300;
  --font-regular  : 400;
  --font-medium   : 500;
  --font-semibold : 600;
  --font-bold     : 700;
  
  /* Interlignages */
  --leading-tight   : 1.2;
  --leading-normal  : 1.5;
  --leading-relaxed : 1.6;
  --leading-loose   : 1.75;
  
  /* Espacements de lettres */
  --tracking-tight   : -0.02em;
  --tracking-normal  : 0em;
  --tracking-wide    : 0.02em;
  --tracking-wider   : 0.05em;
  --tracking-widest  : 0.1em;

  /* Fond général — ivoire chaud */
  --bg-page   : #f9f6f0;
  --bg-canvas : #f0ece3;
  --bg-card   : #ffffff;
  --bg-modal  : #ffffff;

  /* Texte */
  --text-primary : #1c1610;
  --text-muted   : #6b6050;
  --text-light   : #a89880;

  /* Bordures */
  --border       : #ddd6c8;
  --border-light : #ece8df;

  /* ─── Palette de génération : tons naturels profonds ─── */
  /* G1 — vert forêt ancien    */
  --gen0       : #2d5a3d;
  --gen0-light : #e8f2ec;
  /* G2 — indigo sombre        */
  --gen1       : #2d3d6b;
  --gen1-light : #e8ecf7;
  /* G3 — acajou chaud         */
  --gen2       : #7a3b2e;
  --gen2-light : #f5ece9;
  /* G4 — ardoise bleutée      */
  --gen3       : #2e5568;
  --gen3-light : #e7f0f5;
  /* G5 — prune profonde       */
  --gen4       : #5a3068;
  --gen4-light : #f2edf5;

  /* Accent principal — vert forêt */
  --accent      : #2d5a3d;
  --accent-mid  : #3d7a54;
  --accent-dark : #1e3d29;
  --accent-bg   : #e8f2ec;

  --danger      : #b83232;
  --danger-bg   : #fdf0f0;

  /* Dimensions */
  --header-h  : 60px;
  --legend-h  : 38px;
  --node-w    : 158px;
  --node-h    : 80px;   /* Slightly taller to show photo + name */
  --node-rx   : 12px;
  --gap-x     : 32px;
  --gap-y     : 96px;

  /* Ombres */
  --shadow-sm : 0 1px 3px rgba(0,0,0,.06), 0 0 0 .5px rgba(0,0,0,.04);
  --shadow-md : 0 4px 16px rgba(0,0,0,.09), 0 1px 4px rgba(0,0,0,.05);
  --shadow-lg : 0 12px 40px rgba(0,0,0,.13), 0 3px 10px rgba(0,0,0,.06);

  /* Transitions */
  --ease : cubic-bezier(.25,.46,.45,.94);
}

/* ─── Reset & Base Typography ─────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body { height: 100%; overflow: hidden; }

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-regular);
  line-height: var(--leading-normal);
  color: var(--text-primary);
  background: var(--bg-page);
  display: flex;
  flex-direction: column;
  font-kerning: normal;
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

/* ─── Typography Helpers ─────────────────────────── */
h1, h2, h3, h4, .display-text {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-tight);
}

.text-muted {
  font-family: var(--font-body);
  color: var(--text-muted);
  font-size: var(--text-sm);
  line-height: var(--leading-relaxed);
}

.text-small {
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-wide);
}

/* Uppercase utility for labels */
.text-uppercase {
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
  font-weight: var(--font-medium);
  font-size: var(--text-xs);
}

button { 
  font-family: inherit; 
  cursor: pointer; 
  font-weight: var(--font-medium);
}
input, select, textarea { font-family: inherit; }

/* ─── HEADER ─────────────────────────────────────── */
#site-header {
  height: var(--header-h);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  background: var(--bg-card);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
  z-index: 20;
}
.header-left { display: flex; align-items: center; gap: 14px; }
.logo-mark {
  width: 36px; height: 36px;
  border-radius: 10px;
  background: var(--accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 19px;
  flex-shrink: 0;
}
.site-title {
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
  line-height: 1;
}
.site-subtitle {
  font-size: var(--text-xs);
  color: var(--text-muted);
  margin-top: 3px;
  font-style: italic;
  font-family: var(--font-display);
  letter-spacing: var(--tracking-wide);
}

.header-nav { display: flex; align-items: center; gap: 6px; }
.nav-btn {
  display: flex; align-items: center; gap: 6px;
  padding: 7px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-card);
  color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: background .15s var(--ease), border-color .15s, color .15s;
  letter-spacing: var(--tracking-normal);
}
.nav-btn:hover {
  background: var(--accent-bg);
  border-color: var(--accent-mid);
  color: var(--accent-dark);
}
.nav-btn svg { flex-shrink: 0; }
.nav-btn.accent {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: var(--font-semibold);
}
.nav-btn.accent:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

/* ─── LÉGENDE ────────────────────────────────────── */
#legend-bar {
  height: var(--legend-h);
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 24px;
  background: var(--bg-page);
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
  font-size: var(--text-xs);
  font-weight: var(--font-medium);
  color: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  text-transform: uppercase;
}
.legend-item { display: flex; align-items: center; gap: 6px; }
.leg-swatch {
  width: 12px; height: 12px; border-radius: 3px; display: inline-block;
}
.leg-swatch[data-gen="0"] { background: var(--gen0); }
.leg-swatch[data-gen="1"] { background: var(--gen1); }
.leg-swatch[data-gen="2"] { background: var(--gen2); }
.leg-swatch[data-gen="3"] { background: var(--gen3); }
.leg-swatch[data-gen="4"] { background: var(--gen4); }
.leg-gender { width: 12px; height: 12px; border-radius: 50%; display: inline-block; }
.leg-gender.m { background: var(--gen1); }
.leg-gender.f { background: var(--gen2); }
.legend-sep { width: 1px; height: 20px; background: var(--border); }
#member-count { 
  margin-left: auto; 
  font-weight: var(--font-semibold); 
  color: var(--text-primary); 
  font-size: var(--text-sm);
  text-transform: none;
  letter-spacing: var(--tracking-normal);
}

/* ─── CANVAS ─────────────────────────────────────── */
#canvas-wrap {
  flex: 1;
  overflow: hidden;
  position: relative;
  background: var(--bg-canvas);
  background-image:
    radial-gradient(circle, var(--border) 1px, transparent 1px);
  background-size: 30px 30px;
}
#canvas-inner {
  width: 100%;
  height: 100%;
  overflow: auto;
  cursor: grab;
  user-select: none;
}
#canvas-inner:active { cursor: grabbing; }
#tree-svg {
  display: block;
  transition: transform .28s var(--ease);
  transform-origin: 0 0;
}

/* Empty state */
#empty-state {
  display: none;
  position: absolute;
  inset: 0;
  align-items: center;
  justify-content: center;
  flex-direction: column;
  gap: 12px;
  text-align: center;
  pointer-events: none;
}
#empty-state.show { display: flex; pointer-events: all; }
.empty-icon { font-size: 54px; }
.empty-title {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--font-semibold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}
.empty-sub { 
  font-size: var(--text-base); 
  color: var(--text-muted); 
  max-width: 300px; 
  line-height: var(--leading-relaxed);
}

/* ─── SVG NODES ─────────────────────────────────── */
.node-group { cursor: pointer; }
.node-group:hover rect.node-rect { filter: brightness(0.94); }

/* Node text styling - optimized for family tree */
.node-name {
  font-family: var(--font-display);
  font-weight: var(--font-semibold);
  font-size: 13px;
  letter-spacing: var(--tracking-tight);
  dominant-baseline: middle;
  text-anchor: middle;
}

.node-dates {
  font-family: var(--font-body);
  font-size: 10px;
  fill: var(--text-muted);
  letter-spacing: var(--tracking-wide);
  dominant-baseline: middle;
  text-anchor: middle;
}

/* ─── MODALS ─────────────────────────────────────── */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(28,22,16,.45);
  z-index: 200;
  align-items: center;
  justify-content: center;
  backdrop-filter: blur(4px);
  -webkit-backdrop-filter: blur(4px);
}
.modal-overlay.open { display: flex; }

.modal-box {
  background: var(--bg-modal);
  border-radius: 16px;
  border: 1px solid var(--border);
  width: 90%;
  max-width: 540px;
  max-height: 92vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-lg);
  animation: modal-in .22s var(--ease);
}
@keyframes modal-in {
  from { opacity: 0; transform: translateY(18px) scale(.96); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 22px 15px;
  border-bottom: 1px solid var(--border-light);
  flex-shrink: 0;
}
.modal-title {
  font-family: var(--font-display);
  font-size: var(--text-lg);
  font-weight: var(--font-bold);
  color: var(--text-primary);
  letter-spacing: var(--tracking-tight);
}
.modal-close {
  width: 30px; height: 30px;
  border-radius: 50%; border: 1px solid var(--border);
  background: transparent; color: var(--text-muted);
  font-size: 13px; display: flex; align-items: center; justify-content: center;
  transition: background .15s, color .15s;
}
.modal-close:hover { background: var(--bg-canvas); color: var(--text-primary); }

.modal-body { padding: 20px 22px; overflow-y: auto; flex: 1; }

.modal-footer {
  display: flex; align-items: center; gap: 10px;
  padding: 14px 22px;
  border-top: 1px solid var(--border-light);
  flex-shrink: 0;
  background: var(--bg-page);
  border-radius: 0 0 16px 16px;
}

/* ─── FORMULAIRES ────────────────────────────────── */
.form-row { display: flex; gap: 14px; }
.form-row.two-col > * { flex: 1; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 15px; }
.form-group label {
  font-size: var(--text-xs);
  font-weight: var(--font-semibold);
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider);
}
.form-group input,
.form-group select,
.form-group textarea {
  padding: 9px 13px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: var(--text-sm);
  font-family: var(--font-body);
  background: var(--bg-page);
  color: var(--text-primary);
  transition: border-color .15s, box-shadow .15s;
  resize: vertical;
}
.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--accent-mid);
  box-shadow: 0 0 0 3px rgba(45,90,61,.12);
}
.req { color: var(--danger); }

.radio-group { display: flex; gap: 16px; margin-top: 3px; }
.radio-label {
  display: flex; align-items: center; gap: 7px;
  font-size: var(--text-sm); 
  font-weight: var(--font-regular);
  cursor: pointer; color: var(--text-primary);
}
.radio-label input[type="radio"] { accent-color: var(--accent); }

/* ─── BOUTONS ────────────────────────────────────── */
.btn-primary {
  padding: 9px 20px; border-radius: 8px; border: none;
  background: var(--accent); color: #fff;
  font-size: var(--text-sm); 
  font-weight: var(--font-semibold);
  transition: background .15s, transform .1s;
  letter-spacing: var(--tracking-wide);
}
.btn-primary:hover { background: var(--accent-dark); }
.btn-primary:active { transform: scale(.98); }

.btn-ghost {
  padding: 9px 18px; border-radius: 8px;
  border: 1px solid var(--border);
  background: transparent; color: var(--text-primary);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: background .15s, border-color .15s;
}
.btn-ghost:hover { background: var(--bg-canvas); border-color: var(--text-light); }

.btn-danger {
  padding: 9px 18px; border-radius: 8px;
  border: 1px solid #e0b0b0;
  background: var(--danger-bg); color: var(--danger);
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  transition: background .15s;
}
.btn-danger:hover { background: #fae0e0; }

/* ─── DÉTAIL MODAL ───────────────────────────────── */
.detail-box { max-width: 480px; }

/* Hero photo section — full-width banner style */
.detail-hero {
  display: flex;
  align-items: flex-start;
  gap: 20px;
  margin-bottom: 20px;
}
.detail-avatar {
  width: 80px; height: 80px;
  border-radius: 50%;
  border: 3px solid var(--border);
  overflow: hidden;
  flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-xl);
  font-weight: var(--font-bold);
  background: var(--bg-canvas);
  color: var(--text-muted);
  box-shadow: var(--shadow-sm);
  position: relative;
}
.detail-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: 50%;
}

/* Generation color ring on avatar */
.detail-avatar[data-gen="0"] { border-color: var(--gen0); }
.detail-avatar[data-gen="1"] { border-color: var(--gen1); }
.detail-avatar[data-gen="2"] { border-color: var(--gen2); }
.detail-avatar[data-gen="3"] { border-color: var(--gen3); }
.detail-avatar[data-gen="4"] { border-color: var(--gen4); }

.detail-info { flex: 1; padding-top: 4px; }
.detail-meta { 
  font-size: var(--text-sm); 
  color: var(--text-muted); 
  margin-bottom: 5px; 
  line-height: var(--leading-relaxed);
}
.detail-gen-badge {
  display: inline-block; padding: 3px 11px;
  border-radius: 20px; font-size: var(--text-xs); 
  font-weight: var(--font-semibold);
  background: var(--bg-canvas); color: var(--text-muted);
  border: 1px solid var(--border); margin-top: 6px;
  letter-spacing: var(--tracking-wider);
  text-transform: uppercase;
}
.detail-notes {
  background: var(--bg-canvas); border-radius: 10px;
  padding: 13px 16px; 
  font-size: var(--text-sm); 
  font-weight: var(--font-regular);
  color: var(--text-muted);
  line-height: var(--leading-relaxed); 
  margin-bottom: 16px;
  border: 1px solid var(--border-light);
  font-style: italic;
}
.detail-notes:empty { display: none; }
.detail-family { font-size: var(--text-sm); color: var(--text-muted); }
.detail-family h3 {
  font-size: var(--text-xs); 
  font-weight: var(--font-bold); 
  text-transform: uppercase;
  letter-spacing: var(--tracking-wider); 
  color: var(--text-light); 
  margin-bottom: 9px;
}
.family-list { list-style: none; display: flex; flex-direction: column; gap: 5px; }
.family-list li {
  display: flex; align-items: center; gap: 10px;
  padding: 8px 12px; border-radius: 8px;
  background: var(--bg-page); border: 1px solid var(--border-light);
  cursor: pointer; transition: background .12s, border-color .12s;
}
.family-list li:hover { background: var(--accent-bg); border-color: var(--accent-mid); }

/* Mini avatar in family list */
.family-mini-avatar {
  width: 30px; height: 30px; border-radius: 50%;
  overflow: hidden; flex-shrink: 0;
  display: flex; align-items: center; justify-content: center;
  font-family: var(--font-display);
  font-size: var(--text-sm); 
  font-weight: var(--font-bold);
  background: var(--bg-canvas);
  color: var(--text-muted);
  border: 1px solid var(--border);
}
.family-mini-avatar img { width: 100%; height: 100%; object-fit: cover; border-radius: 50%; }

.family-tag {
  font-size: var(--text-xs); 
  font-weight: var(--font-bold); 
  text-transform: uppercase;
  padding: 2px 7px; border-radius: 4px;
  background: var(--bg-canvas); color: var(--text-light);
  border: 1px solid var(--border);
  letter-spacing: var(--tracking-wider);
  margin-left: auto;
}

/* ─── EXPORT OPTIONS ──────────────────────────────── */
.export-option {
  display: flex; align-items: center; gap: 16px;
  padding: 13px 16px; border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--bg-page); text-align: left;
  width: 100%; transition: background .15s, border-color .15s;
}
.export-option:hover { background: var(--accent-bg); border-color: var(--accent-mid); }
.export-option strong { 
  font-size: var(--text-sm); 
  color: var(--text-primary); 
  font-weight: var(--font-semibold);
}
.export-option small { 
  font-size: var(--text-xs); 
  color: var(--text-muted);
  font-weight: var(--font-regular);
}
.exp-icon { font-size: 28px; flex-shrink: 0; }

/* ─── THÈME PICKER ────────────────────────────────── */
.theme-swatches { display: flex; gap: 10px; flex-wrap: wrap; margin-top: 5px; }
.theme-swatch {
  width: 34px; height: 34px; border-radius: 9px;
  border: 2px solid transparent; cursor: pointer;
  transition: transform .15s, border-color .15s, box-shadow .15s;
}
.theme-swatch:hover { transform: scale(1.1); box-shadow: var(--shadow-sm); }
.theme-swatch.active {
  border-color: var(--text-primary);
  box-shadow: 0 0 0 2px var(--bg-page), 0 0 0 4px var(--text-primary);
}

/* ─── TOAST ───────────────────────────────────────── */
#toast {
  position: fixed; bottom: 28px; left: 50%; transform: translateX(-50%) translateY(60px);
  background: var(--text-primary); color: #fff;
  padding: 11px 22px; border-radius: 9px; 
  font-size: var(--text-sm);
  font-weight: var(--font-medium);
  z-index: 999; opacity: 0;
  transition: opacity .22s, transform .22s var(--ease);
  pointer-events: none; white-space: nowrap;
  letter-spacing: var(--tracking-wide);
  box-shadow: var(--shadow-md);
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

/* ─── PRINT ───────────────────────────────────────── */
@media print {
  #site-header, #legend-bar { display: none !important; }
  #canvas-wrap { overflow: visible; height: auto; }
  #canvas-inner { overflow: visible; }
  .modal-overlay { display: none !important; }
  body { background: #fff; }
}

/* ─── SCROLLBAR ───────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: var(--text-light); }

/* ─── RESPONSIVE ──────────────────────────────────── */
@media (max-width: 640px) {
  .nav-btn > *:not(svg):not(.always-show) { display: none; }
  .nav-btn { padding: 7px 9px; }
  .nav-btn.accent > *:not(svg) { display: inline; }
  #legend-bar { overflow-x: auto; gap: 10px; padding: 0 16px; }
  .form-row.two-col { flex-direction: column; }
  .detail-hero { flex-direction: column; align-items: center; text-align: center; }
  .detail-avatar { width: 96px; height: 96px; font-size: 34px; }
  
  /* Responsive font adjustments */
  body { font-size: var(--text-sm); }
  .site-title { font-size: var(--text-md); }
  .modal-title { font-size: var(--text-md); }
}