/* ==========================================================================
   BAOBAB AGROBUSINESS — Thème front-end professionnel
   Couche de surcouche par-dessus Bootstrap 5. N'altère ni le HTML ni la logique.
   Conserve la charte verte d'origine (Bootstrap "success" #198754).
   Tout est piloté par des variables CSS pour rester évolutif et maintenable.
   ========================================================================== */

/* ---- Police moderne (chargée via le thème, sans toucher au <head>) ------- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ---- Jetons de design (design tokens) ------------------------------------ */
:root {
  /* Charte verte d'origine conservée comme couleur primaire */
  --brand-green:        #198754;   /* Bootstrap success — couleur historique */
  --brand-green-dark:   #136c43;
  --brand-green-darker: #0f5a37;
  --brand-green-light:  #e7f6ef;
  --brand-green-soft:   #d5efe2;

  --ink:        #1d2b24;   /* texte principal, vert-anthracite doux */
  --ink-muted:  #5b6b63;   /* texte secondaire */
  --line:       #e6eae8;   /* bordures discrètes */
  --surface:    #ffffff;   /* fond des cartes */
  --bg:         #f6f9f7;   /* fond de page légèrement teinté vert */

  --radius-sm: .5rem;
  --radius:    .85rem;
  --radius-lg: 1.25rem;

  --shadow-xs: 0 1px 2px rgba(16, 40, 30, .06);
  --shadow-sm: 0 2px 8px rgba(16, 40, 30, .07);
  --shadow:    0 8px 24px rgba(16, 40, 30, .09);
  --shadow-lg: 0 18px 48px rgba(16, 40, 30, .14);

  --transition: 200ms cubic-bezier(.4, 0, .2, 1);

  /* On réaligne aussi les variables Bootstrap pour une cohérence parfaite */
  --bs-primary: var(--brand-green);
  --bs-success: var(--brand-green);
  --bs-body-color: var(--ink);
  --bs-body-font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

/* ---- Base ---------------------------------------------------------------- */
body {
  font-family: var(--bs-body-font-family);
  color: var(--ink);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

h1, h2, h3, h4, h5, h6, .navbar-brand .company-name {
  letter-spacing: -.012em;
}
h1, h2, h3 { font-weight: 700; }

a { transition: color var(--transition); }

/* ---- Barre de navigation -------------------------------------------------- */
.navbar.bg-success {
  background: linear-gradient(180deg, var(--brand-green) 0%, var(--brand-green-dark) 100%) !important;
  box-shadow: var(--shadow-sm);
  padding-top: .4rem;
  padding-bottom: .4rem;
  backdrop-filter: saturate(1.1);
}
.navbar .nav-link {
  font-weight: 500;
  border-radius: var(--radius-sm);
  padding-left: .85rem !important;
  padding-right: .85rem !important;
  position: relative;
  overflow: hidden; /* contient le reflet et le soulignement animés */
  isolation: isolate;
  transition: background-color var(--transition), color var(--transition),
              transform var(--transition), box-shadow var(--transition);
}

/* Reflet lumineux qui balaie le lien au survol */
.navbar .nav-link::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(
    105deg,
    transparent 20%,
    rgba(255, 255, 255, .18) 45%,
    rgba(213, 239, 226, .38) 50%,
    rgba(255, 255, 255, .18) 55%,
    transparent 80%
  );
  transform: translateX(-110%) skewX(-12deg);
  transition: transform 550ms cubic-bezier(.22, .61, .36, 1);
  pointer-events: none;
}

/* Soulignement vert clair qui se déploie depuis le centre
   (hors menus déroulants : Bootstrap utilise ::after pour la flèche) */
.navbar .nav-link:not(.dropdown-toggle)::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: .3rem;
  width: calc(100% - 1.7rem);
  height: 2px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--brand-green-soft), #ffffff, var(--brand-green-soft));
  transform: translateX(-50%) scaleX(0);
  transform-origin: center;
  transition: transform 320ms cubic-bezier(.22, .61, .36, 1);
  pointer-events: none;
}

.navbar .nav-link:hover,
.navbar .nav-link:focus {
  color: #ffffff;
  background-color: rgba(255, 255, 255, .12);
  transform: translateY(-1px);
  box-shadow: inset 0 0 0 1px rgba(255, 255, 255, .12),
              0 4px 14px rgba(15, 90, 55, .35);
}

.navbar .nav-link:hover::before,
.navbar .nav-link:focus::before {
  transform: translateX(110%) skewX(-12deg);
}

.navbar .nav-link:not(.dropdown-toggle):hover::after,
.navbar .nav-link:not(.dropdown-toggle):focus::after {
  transform: translateX(-50%) scaleX(1);
}

/* Les menus déroulants gardent un repère visuel quand ils sont ouverts */
.navbar .nav-link.show,
.navbar .nav-link[aria-expanded="true"] {
  background-color: rgba(255, 255, 255, .16);
  color: #ffffff;
}

@media (prefers-reduced-motion: reduce) {
  .navbar .nav-link::before,
  .navbar .nav-link::after {
    transition: none;
  }
  .navbar .nav-link:hover,
  .navbar .nav-link:focus {
    transform: none;
  }
}
/* Menus déroulants : z-index / opacité / ombre → static/css/overlays.css */
.navbar .dropdown-menu {
  border-radius: var(--radius);
  padding: .4rem;
}
.navbar .dropdown-item {
  border-radius: var(--radius-sm);
  padding: .5rem .75rem;
  font-weight: 500;
  transition: background-color var(--transition), color var(--transition);
}
.navbar .dropdown-item:hover,
.navbar .dropdown-item:focus {
  background-color: var(--brand-green-light);
  color: var(--brand-green-darker);
}
.navbar .dropdown-header {
  font-size: .72rem;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--ink-muted);
  font-weight: 700;
}

/* ---- Boutons ------------------------------------------------------------- */
.btn {
  font-weight: 600;
  border-radius: var(--radius-sm);
  padding: .55rem 1.1rem;
  transition: transform var(--transition), box-shadow var(--transition),
              background-color var(--transition), border-color var(--transition);
}
.btn:active { transform: translateY(1px); }

.btn-success,
.btn-primary {
  background: linear-gradient(180deg, var(--brand-green) 0%, var(--brand-green-dark) 100%);
  border-color: var(--brand-green-dark);
  box-shadow: var(--shadow-xs);
}
.btn-success:hover,
.btn-primary:hover {
  background: linear-gradient(180deg, var(--brand-green-dark) 0%, var(--brand-green-darker) 100%);
  border-color: var(--brand-green-darker);
  box-shadow: var(--shadow-sm);
}
.btn-outline-success,
.btn-outline-primary {
  color: var(--brand-green-dark);
  border-color: var(--brand-green);
}
.btn-outline-success:hover,
.btn-outline-primary:hover {
  background-color: var(--brand-green);
  border-color: var(--brand-green);
}

/* ---- Cartes -------------------------------------------------------------- */
.card,
.seed-card {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background-color: var(--surface);
  box-shadow: var(--shadow-xs);
  overflow: hidden;
  transition: transform var(--transition), box-shadow var(--transition),
              border-color var(--transition);
}
.card:hover,
.seed-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow);
  border-color: var(--brand-green-soft);
}
.card-header {
  background-color: #fff;
  border-bottom: 1px solid var(--line);
  font-weight: 600;
}
.card-img-top { transition: transform 350ms ease; }
.card:hover .card-img-top { transform: scale(1.03); }

/* ---- Formulaires --------------------------------------------------------- */
.form-control,
.form-select {
  border-radius: var(--radius-sm);
  border-color: var(--line);
  padding: .55rem .8rem;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.form-control:focus,
.form-select:focus {
  border-color: var(--brand-green);
  box-shadow: 0 0 0 .2rem rgba(25, 135, 84, .18);
}
.form-label { font-weight: 600; color: var(--ink); margin-bottom: .35rem; }

/* ---- Badges & pills ------------------------------------------------------ */
.badge { font-weight: 600; letter-spacing: .01em; padding: .4em .7em; border-radius: 999px; }

/* ---- Alertes (cohérent avec la charte) ----------------------------------- */
.alert { border-radius: var(--radius); border-width: 1px; }
.alert-success,
.alert-success-light {
  background-color: var(--brand-green-light);
  border-color: var(--brand-green-soft);
  color: var(--brand-green-darker);
}

/* ---- Tableaux ------------------------------------------------------------ */
.table { --bs-table-hover-bg: var(--brand-green-light); }
.table thead th {
  text-transform: uppercase;
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--ink-muted);
  border-bottom: 2px solid var(--line);
}

/* ---- Liens utilitaires --------------------------------------------------- */
a { color: var(--brand-green-dark); }
a:hover { color: var(--brand-green-darker); }
.text-success { color: var(--brand-green-dark) !important; }

/* ---- Pied de page -------------------------------------------------------- */
.footer {
  background-color: #fff !important;
  border-top: 1px solid var(--line);
  margin-top: 4rem;
}
.footer h5 {
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
  margin-bottom: .9rem;
}
.footer a { color: var(--ink-muted); }
.footer a:hover { color: var(--brand-green-dark); }

/* ---- Petites finitions --------------------------------------------------- */
hr { border-color: var(--line); opacity: 1; }
::selection { background: var(--brand-green-soft); color: var(--brand-green-darker); }

/* Défilement fluide et focus visible accessible */
html { scroll-behavior: smooth; }
:focus-visible { outline: 2px solid var(--brand-green); outline-offset: 2px; }

/* Respecte la préférence de mouvement réduit */
@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; scroll-behavior: auto !important; }
}
