/* ===========================================================================
   jCalc — Styles
   =========================================================================== */

:root {
  --fond: #f5f3ef;
  --carte: #ffffff;
  --bordure: #e0dbd4;
  --accent: #7a6652;
  --accent-clair: #a8956f;
  --texte: #2c2c2c;
  --texte-2: #6b6b6b;
  --aide: #8a8a8a;
  --resultat: #4a6741;
  --rayon: 6px;
  --ombre: 0 1px 3px rgba(0, 0, 0, 0.06);
  --ease-out: cubic-bezier(0.23, 1, 0.32, 1);
  --ease-in-out: cubic-bezier(0.77, 0, 0.175, 1);
  --duree-ui: 160ms;
  --duree-modale: 200ms;
}

/* --- Reset --- */

*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
    "Helvetica Neue", Arial, sans-serif;
  background: var(--fond);
  color: var(--texte);
  line-height: 1.5;
  min-height: 100vh;
  padding-bottom: 4rem;
}

/* --- En-tete --- */

.entete {
  background: var(--accent);
  color: #fff;
  padding: 0.875rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.entete h1 {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.5px;
}

.sous-titre {
  font-size: 0.8125rem;
  opacity: 0.85;
}

.entete-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

/* --- Boutons --- */

.btn {
  padding: 0.4rem 0.875rem;
  border: none;
  border-radius: var(--rayon);
  cursor: pointer;
  font-size: 0.8125rem;
  font-weight: 500;
  transition: background var(--duree-ui) var(--ease-out),
              transform var(--duree-ui) var(--ease-out);
}

.btn:active {
  transform: scale(0.97);
}

.btn-secondaire {
  background: rgba(255, 255, 255, 0.15);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.3);
}

@media (hover: hover) and (pointer: fine) {
  .btn-secondaire:hover {
    background: rgba(255, 255, 255, 0.28);
  }
}

/* --- Contenu principal --- */

.contenu {
  max-width: 1100px;
  margin: 0 auto;
  padding: 1.25rem;
}

/* --- Section config (repliable) --- */

.section-config {
  margin-bottom: 1.5rem;
}

.section-entete {
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  padding: 0.625rem 1rem;
  background: var(--carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  margin-bottom: 0.75rem;
  user-select: none;
  transition: background var(--duree-ui) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .section-entete:hover {
    background: #f9f8f6;
  }
}

.section-entete:active {
  transform: scale(0.995);
}

.section-entete h2 {
  font-size: 1rem;
  font-weight: 600;
}

.toggle-icone {
  font-size: 0.7rem;
  color: var(--texte-2);
  transition: transform var(--duree-ui) var(--ease-out);
}

/* --- Config panel animated collapse --- */

.config-contenu {
  display: grid;
  grid-template-rows: 1fr;
  transition: grid-template-rows 300ms var(--ease-in-out);
}

.config-contenu[aria-hidden="true"] {
  grid-template-rows: 0fr;
}

.config-interieur {
  overflow: hidden;
  opacity: 1;
  transition: opacity 200ms var(--ease-out);
}

.config-contenu[aria-hidden="true"] .config-interieur {
  opacity: 0;
}

.config-grille {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: 0.75rem;
}

/* --- Section piece --- */

.section-piece {
  margin-bottom: 2rem;
}

.section-piece > h2 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
}

/* --- Cartes --- */

.carte {
  background: var(--carte);
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  padding: 1rem 1.125rem;
  box-shadow: var(--ombre);
  transition: box-shadow 300ms var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .carte:hover {
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.09);
  }
}

.section-piece > .carte {
  margin-bottom: 0.75rem;
}

.carte h3 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: 0.75rem;
  padding-bottom: 0.4rem;
  border-bottom: 1px solid var(--bordure);
  color: var(--accent);
}

.carte h4 {
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 0.5rem;
  color: var(--texte-2);
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

/* --- Champs --- */

.champ {
  margin-bottom: 0.625rem;
}

.champ:last-child {
  margin-bottom: 0;
}

.champ label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 500;
  margin-bottom: 0.2rem;
}

.saisie {
  display: flex;
  align-items: center;
  gap: 0.4rem;
}

.saisie input[type="number"] {
  width: 100%;
  max-width: 160px;
  padding: 0.375rem 0.6rem;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  font-size: 0.875rem;
  background: #fafaf8;
  color: var(--texte);
  transition: border-color var(--duree-ui) var(--ease-out);
}

.saisie input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(122, 102, 82, 0.12);
}

.unite {
  font-size: 0.75rem;
  color: var(--texte-2);
  white-space: nowrap;
}

.aide {
  display: block;
  font-size: 0.6875rem;
  color: var(--aide);
  margin-top: 0.15rem;
}

.resultat-inline {
  color: var(--resultat);
  font-weight: 500;
  min-width: 6rem;
}

/* --- Resultats intermediaires --- */

.resultat {
  background: #efecea;
  padding: 0.4rem 0.65rem;
  border-radius: var(--rayon);
  font-size: 0.8125rem;
  color: var(--resultat);
  margin-top: 0.6rem;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  flex-wrap: wrap;
}

.sep {
  color: var(--aide);
  font-size: 0.75rem;
}

/* --- Radio taille de piece --- */

.carte-taille {
  border-color: var(--accent);
}

.groupe-radio {
  display: flex;
  gap: 0;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  overflow: hidden;
}

.radio-taille {
  flex: 1;
  cursor: pointer;
  margin: 0;
}

.radio-taille input[type="radio"] {
  position: absolute;
  opacity: 0;
  pointer-events: none;
}

.radio-label {
  display: block;
  text-align: center;
  padding: 0.5rem 0.75rem;
  font-size: 0.875rem;
  font-weight: 500;
  background: #fafaf8;
  color: var(--texte-2);
  border-right: 1px solid var(--bordure);
  transition: background var(--duree-ui) var(--ease-out),
              color var(--duree-ui) var(--ease-out);
}

.radio-taille:last-child .radio-label {
  border-right: none;
}

.radio-taille input[type="radio"]:checked + .radio-label {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

@media (hover: hover) and (pointer: fine) {
  .radio-taille:hover .radio-label {
    background: #efecea;
  }
}

.radio-taille input[type="radio"]:checked + .radio-label:hover {
  background: var(--accent);
}

/* --- Grille 3 colonnes (matieres) --- */

.grille-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.5rem;
}

.sous-groupe {
  margin-bottom: 1.25rem;
  padding-bottom: 0.75rem;
  border-bottom: 1px solid #efecea;
}

.sous-groupe:last-child {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

/* --- Tableau recapitulatif --- */

.carte-recap {
  border-color: var(--accent);
  border-width: 2px;
}

.tableau-recap {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.875rem;
}

.tableau-recap th {
  text-align: left;
  padding: 0.4rem 0.6rem;
  border-bottom: 2px solid var(--bordure);
  font-weight: 600;
  color: var(--texte-2);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.col-montant {
  text-align: right !important;
}

.tableau-recap td {
  padding: 0.4rem 0.6rem;
  border-bottom: 1px solid #f0ede8;
}

.montant {
  text-align: right;
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.tableau-recap td small {
  color: var(--aide);
  font-size: 0.75rem;
  margin-left: 0.2rem;
}

.ligne-sous-total {
  background: #f6f4f0;
}

.ligne-sous-total td {
  padding: 0.5rem 0.6rem;
  border-bottom: 2px solid var(--bordure);
}

.ligne-prix-final {
  background: var(--accent);
  color: #fff;
}

.ligne-prix-final td {
  padding: 0.7rem 0.6rem;
  font-size: 1.0625rem;
  border-bottom: none;
  border-radius: 0 0 var(--rayon) var(--rayon);
}

.ligne-prix-final td:first-child {
  border-radius: 0 0 0 var(--rayon);
}

.ligne-prix-final td:last-child {
  border-radius: 0 0 var(--rayon) 0;
}

/* --- Tableau matrice paliers --- */

.aide-matrice {
  font-size: 0.75rem;
  color: var(--aide);
  margin-bottom: 0.5rem;
}

.tableau-matrice {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.8125rem;
}

.tableau-matrice th {
  text-align: left;
  padding: 0.35rem 0.5rem;
  border-bottom: 2px solid var(--bordure);
  font-weight: 600;
  color: var(--texte-2);
  font-size: 0.6875rem;
  text-transform: uppercase;
  letter-spacing: 0.4px;
}

.tableau-matrice td {
  padding: 0.3rem 0.5rem;
  border-bottom: 1px solid #f0ede8;
}

.tableau-matrice .centre {
  text-align: center;
  width: 2.5rem;
}

.tableau-matrice input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  accent-color: var(--accent);
  cursor: pointer;
}

.sep-matrice td {
  padding: 0.15rem;
  border-bottom: 2px solid var(--bordure);
}

/* --- Barre fixe prix final --- */

.barre-prix {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background: var(--accent);
  color: #fff;
  padding: 0.65rem 1.5rem;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1rem;
  font-size: 0.9375rem;
  font-weight: 600;
  z-index: 100;
  box-shadow: 0 -2px 8px rgba(0, 0, 0, 0.1);
}

.barre-palier span {
  font-size: 1.1rem;
  font-weight: 700;
}

.barre-sep {
  opacity: 0.4;
}

/* --- Responsive --- */

@media (max-width: 700px) {
  .contenu {
    padding: 0.75rem;
  }

  .grille-3 {
    grid-template-columns: 1fr;
  }

  .config-grille {
    grid-template-columns: 1fr;
  }

  .entete {
    padding: 0.75rem 1rem;
  }

  .entete-actions {
    width: 100%;
  }

  .entete-actions .btn {
    flex: 1;
    text-align: center;
  }

  .saisie input[type="number"] {
    max-width: none;
  }
}

/* --- Bouton calculatrice de temps --- */

.btn-calc-temps {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--rayon);
  width: 2rem;
  height: 2rem;
  font-size: 1rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: background var(--duree-ui) var(--ease-out),
              transform var(--duree-ui) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-calc-temps:hover {
    background: var(--accent-clair);
  }
}

.btn-calc-temps:active {
  transform: scale(0.93);
}

/* --- Modale calculatrice de temps --- */

.modale-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 200;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 1;
  transition: opacity var(--duree-modale) var(--ease-out);
}

.modale-overlay.entree {
  opacity: 0;
}

.modale {
  background: var(--carte);
  border-radius: calc(var(--rayon) * 2);
  box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
  width: 90%;
  max-width: 420px;
  max-height: 85vh;
  display: flex;
  flex-direction: column;
  transform: scale(1) translateY(0);
  opacity: 1;
  transition: transform var(--duree-modale) var(--ease-out),
              opacity var(--duree-modale) var(--ease-out);
}

.modale-overlay.entree .modale {
  transform: scale(0.95) translateY(8px);
  opacity: 0;
}

.modale-entete {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--bordure);
}

.modale-entete h3 {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--accent);
  margin: 0;
  padding: 0;
  border: none;
}

.modale-fermer {
  background: none;
  border: none;
  font-size: 1.4rem;
  color: var(--texte-2);
  cursor: pointer;
  line-height: 1;
  padding: 0.2rem;
}

@media (hover: hover) and (pointer: fine) {
  .modale-fermer:hover {
    color: var(--texte);
  }
}

.modale-corps {
  padding: 1rem;
  overflow-y: auto;
  flex: 1;
}

.ligne-temps {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  margin-bottom: 0.5rem;
}

.ligne-temps input[type="text"] {
  flex: 1;
  min-width: 0;
  padding: 0.375rem 0.6rem;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  font-size: 0.8125rem;
  background: #fafaf8;
  color: var(--texte);
}

.ligne-temps input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(122, 102, 82, 0.12);
}

.ligne-temps input[type="number"] {
  width: 3.5rem;
  padding: 0.375rem 0.4rem;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  font-size: 0.875rem;
  background: #fafaf8;
  color: var(--texte);
  text-align: center;
}

.ligne-temps input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(122, 102, 82, 0.12);
}

.ligne-temps .unite-temps {
  font-size: 0.75rem;
  color: var(--texte-2);
  white-space: nowrap;
}

.btn-suppr-ligne {
  background: none;
  border: none;
  color: var(--aide);
  font-size: 1.1rem;
  cursor: pointer;
  padding: 0.2rem;
  line-height: 1;
  flex-shrink: 0;
}

@media (hover: hover) and (pointer: fine) {
  .btn-suppr-ligne:hover {
    color: #c0392b;
  }
}

.btn-ajouter-ligne {
  background: none;
  border: 1px dashed var(--bordure);
  border-radius: var(--rayon);
  padding: 0.4rem 0.75rem;
  font-size: 0.8125rem;
  color: var(--accent);
  cursor: pointer;
  width: 100%;
  margin-top: 0.25rem;
  transition: background var(--duree-ui) var(--ease-out),
              transform var(--duree-ui) var(--ease-out);
}

@media (hover: hover) and (pointer: fine) {
  .btn-ajouter-ligne:hover {
    background: #f6f4f0;
  }
}

.btn-ajouter-ligne:active {
  transform: scale(0.98);
}

.modale-pied {
  padding: 0.75rem 1rem;
  border-top: 1px solid var(--bordure);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.modale-total {
  font-size: 0.875rem;
  color: var(--texte);
}

.modale-total strong {
  color: var(--resultat);
}

.modale-actions {
  display: flex;
  gap: 0.5rem;
}

.btn-modale-annuler {
  background: #efecea;
  color: var(--texte-2);
}

@media (hover: hover) and (pointer: fine) {
  .btn-modale-annuler:hover {
    background: #e0dbd4;
  }
}

.btn-modale-valider {
  background: var(--accent);
  color: #fff;
}

@media (hover: hover) and (pointer: fine) {
  .btn-modale-valider:hover {
    background: var(--accent-clair);
  }
}

/* --- Modale sauvegardes --- */

.modale-sauvegardes {
  max-width: 500px;
}

.sauvegarde-form {
  display: flex;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.sauvegarde-form input[type="text"] {
  flex: 1;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  font-size: 0.875rem;
  background: #fafaf8;
  color: var(--texte);
}

.sauvegarde-form input[type="text"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px rgba(122, 102, 82, 0.12);
}

.liste-sauvegardes {
  max-height: 50vh;
  overflow-y: auto;
}

.sauvegardes-vide {
  text-align: center;
  color: var(--aide);
  font-size: 0.8125rem;
  padding: 1.5rem 0;
}

.sauvegarde-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.6rem 0.5rem;
  border-bottom: 1px solid #f0ede8;
  border-radius: var(--rayon);
  transition: background var(--duree-ui) var(--ease-out);
}

.sauvegarde-item:last-child {
  border-bottom: none;
}

.sauvegarde-info {
  flex: 1;
  min-width: 0;
  cursor: pointer;
}

.sauvegarde-nom {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--texte);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--duree-ui) var(--ease-out);
}

.sauvegarde-date {
  font-size: 0.6875rem;
  color: var(--aide);
}

.sauvegarde-actions {
  display: flex;
  gap: 0.25rem;
  flex-shrink: 0;
}

.btn-sauvegarde-action {
  background: none;
  border: 1px solid var(--bordure);
  border-radius: var(--rayon);
  width: 1.75rem;
  height: 1.75rem;
  font-size: 0.8125rem;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--texte-2);
  transition: background var(--duree-ui) var(--ease-out),
              color var(--duree-ui) var(--ease-out),
              border-color var(--duree-ui) var(--ease-out),
              transform var(--duree-ui) var(--ease-out);
}

.btn-sauvegarde-action:active {
  transform: scale(0.9);
}

@media (hover: hover) and (pointer: fine) {
  .btn-sauvegarde-action:hover {
    background: #efecea;
    color: var(--texte);
  }

  .btn-sauvegarde-action.supprimer:hover {
    background: #fde8e8;
    color: #c0392b;
    border-color: #e6a5a5;
  }
}

/* --- Masquer fleches des inputs number --- */

input[type="number"]::-webkit-inner-spin-button,
input[type="number"]::-webkit-outer-spin-button {
  -webkit-appearance: none;
  margin: 0;
}

input[type="number"] {
  -moz-appearance: textfield;
  appearance: textfield;
}

/* --- Focus visible pour accessibilite clavier --- */

.btn:focus-visible,
.btn-calc-temps:focus-visible,
.btn-ajouter-ligne:focus-visible,
.btn-sauvegarde-action:focus-visible,
.modale-fermer:focus-visible,
.section-entete:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* --- Reduced motion --- */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }

  .modale {
    transform: none !important;
  }
}

/* --- Sauvegarde item hover --- */

@media (hover: hover) and (pointer: fine) {
  .sauvegarde-item:hover {
    background: #faf9f7;
  }

  .sauvegarde-info:hover .sauvegarde-nom {
    color: var(--accent);
  }
}