/* Variables de thème sombre — surchargent les variables :root de chaque page */
html[data-theme="sombre"] {
  --bleu: #4da3e0;
  --bleu-clair: #6fbcf0;
  --fond: #26333f;
  --texte: #eaeef2;
  --vert: #4ade80;
  --rouge: #ff6b6b;
  --orange: #ffb74d;
}

html[data-theme="sombre"] body {
  background: linear-gradient(160deg, #0f1720 0%, #16212e 100%) !important;
  color: var(--texte);
}

html[data-theme="sombre"] .carte,
html[data-theme="sombre"] form,
html[data-theme="sombre"] .modal,
html[data-theme="sombre"] .chiffre-carte,
html[data-theme="sombre"] .bouton {
  background: #1b2632 !important;
  color: var(--texte);
}

html[data-theme="sombre"] header p,
html[data-theme="sombre"] p.sous-titre,
html[data-theme="sombre"] .libelle,
html[data-theme="sombre"] .vide {
  color: #a8b4c0 !important;
}

html[data-theme="sombre"] input,
html[data-theme="sombre"] select,
html[data-theme="sombre"] textarea {
  background: #24313d !important;
  color: var(--texte) !important;
  border-color: #3a4a58 !important;
}

html[data-theme="sombre"] input:disabled,
html[data-theme="sombre"] select:disabled,
html[data-theme="sombre"] textarea:disabled {
  background: #1a232c !important;
  color: #6b7784 !important;
}

html[data-theme="sombre"] table {
  color: var(--texte);
}
html[data-theme="sombre"] th {
  background: #24313d !important;
}
html[data-theme="sombre"] th,
html[data-theme="sombre"] td {
  border-color: #34424f !important;
}
html[data-theme="sombre"] .ligne-seance:hover td {
  background: #24313d !important;
}
html[data-theme="sombre"] .table-scroll {
  border-color: #34424f !important;
}

html[data-theme="sombre"] .modal-overlay {
  background: rgba(0, 0, 0, 0.65) !important;
}

html[data-theme="sombre"] .btn-annuler,
html[data-theme="sombre"] .btn-secondaire {
  background: #2a3946 !important;
  color: #d4dbe2 !important;
}

html[data-theme="sombre"] .btn-parametres,
html[data-theme="sombre"] #btn-admin,
html[data-theme="sombre"] #btn-deconnexion,
html[data-theme="sombre"] #btn-parametre-compte,
html[data-theme="sombre"] #btn-tableau-bord {
  background: #1b2632 !important;
  border-color: #34424f !important;
  color: var(--bleu) !important;
}

html[data-theme="sombre"] .badge,
html[data-theme="sombre"] .chip-jour,
html[data-theme="sombre"] .legende-pastille,
html[data-theme="sombre"] .barre-fond,
html[data-theme="sombre"] .barre-graphique-fond,
html[data-theme="sombre"] tr.ligne-validee td {
  filter: brightness(0.82) saturate(1.15);
}

html[data-theme="sombre"] #erreur,
html[data-theme="sombre"] #confirmation.erreur,
html[data-theme="sombre"] #message.erreur,
html[data-theme="sombre"] #message-edition.erreur,
html[data-theme="sombre"] .erreur {
  background: #3a1e1e !important;
}
html[data-theme="sombre"] #confirmation.succes,
html[data-theme="sombre"] #message.succes,
html[data-theme="sombre"] .succes,
html[data-theme="sombre"] #resultat-import.succes {
  background: #1a3324 !important;
}
html[data-theme="sombre"] #resultat-import.info {
  background: #1a2c3d !important;
}

/* Contraste élevé — s'applique aux deux thèmes */
html[data-contraste="eleve"] {
  --bleu: #002d52;
  --bleu-clair: #002d52;
  --texte: #000;
}
html[data-theme="sombre"][data-contraste="eleve"] {
  --bleu: #7fc4ff;
  --bleu-clair: #7fc4ff;
  --texte: #fff;
}
html[data-theme="sombre"][data-contraste="eleve"] body {
  background: #000 !important;
}
html[data-theme="sombre"][data-contraste="eleve"] .carte,
html[data-theme="sombre"][data-contraste="eleve"] form,
html[data-theme="sombre"][data-contraste="eleve"] .modal,
html[data-theme="sombre"][data-contraste="eleve"] .chiffre-carte,
html[data-theme="sombre"][data-contraste="eleve"] .bouton {
  background: #000 !important;
}
html[data-contraste="eleve"] * {
  font-weight: 600 !important;
}
html[data-contraste="eleve"] input,
html[data-contraste="eleve"] select,
html[data-contraste="eleve"] textarea,
html[data-contraste="eleve"] .carte,
html[data-contraste="eleve"] form,
html[data-contraste="eleve"] table,
html[data-contraste="eleve"] th,
html[data-contraste="eleve"] td {
  border: 2px solid var(--texte) !important;
}
html[data-contraste="eleve"] .badge,
html[data-contraste="eleve"] .chip-jour {
  filter: none !important;
  border: 2px solid var(--texte) !important;
}

/* Boutons de bascule thème / contraste, coin bas-droit, sur toutes les pages */
.barre-outils-theme {
  position: fixed;
  bottom: 20px;
  right: 20px;
  display: flex;
  gap: 10px;
  z-index: 200;
}
.btn-bascule-theme {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--carte-fond, #fff);
  border: 1px solid var(--bordure, #d7e2ec);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.18);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.2rem;
  cursor: pointer;
  color: var(--bleu);
  transition: transform 0.15s ease, background 0.15s ease;
}
.btn-bascule-theme:hover { transform: scale(1.08); }
.btn-bascule-theme.actif {
  background: var(--bleu);
  color: #fff;
}
html[data-theme="sombre"] .btn-bascule-theme {
  background: #1b2632;
  border-color: #34424f;
}

/* Bouton d'aide, sur toutes les pages */
.btn-aide {
  position: fixed;
  bottom: 130px;
  left: 20px;
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: #ffd60a;
  border: 1px solid #e0b800;
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  font-weight: 800;
  cursor: pointer;
  color: #1a1a1a;
  z-index: 60;
  transition: transform 0.15s ease;
}
.btn-aide:hover { transform: scale(1.08); }

.aide-modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.5);
  align-items: center;
  justify-content: center;
  z-index: 300;
  padding: 20px;
}
.aide-modal-overlay.ouverte { display: flex; }
.aide-modal {
  background: var(--carte-fond, #fff);
  color: var(--texte, #1a1a1a);
  border-radius: 14px;
  padding: 28px;
  width: 100%;
  max-width: 640px;
  max-height: 80vh;
  overflow-y: auto;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}
.aide-modal h2 {
  margin: 0 0 18px 0;
  color: var(--bleu);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 1.3rem;
  position: sticky;
  top: -28px;
  background: var(--carte-fond, #fff);
  padding-top: 4px;
}
.aide-modal .fermer-aide {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: #888;
  line-height: 1;
}
.aide-modal h3 { color: var(--bleu); font-size: 1rem; margin: 20px 0 8px; }
.aide-modal h3:first-child { margin-top: 0; }
.aide-modal p, .aide-modal li { font-size: 0.92rem; line-height: 1.65; color: var(--texte); }
.aide-modal ul, .aide-modal ol { padding-left: 22px; margin: 6px 0 14px; }
.aide-modal strong { color: var(--bleu); }

/* Pied de page, sur toutes les pages */
.pied-de-page-signature {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 110px;
  display: flex;
  align-items: center;
  pointer-events: none;
  z-index: 50;
}
.pied-de-page-signature img {
  height: 100px;
  width: auto;
}
.pied-de-page-signature .logo-pied-gauche {
  margin-left: 16px;
}
.pied-de-page-signature .logo-pied-droite {
  margin-left: auto;
  margin-right: 130px;
}
.pied-de-page-signature .texte-signature {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  font-weight: 700;
  color: #c62828;
  font-size: 0.8rem;
}