/* ============== COMPOSANTS REUTILISABLES ================== */
/* Tous les éléments UI basés sur le système de variables (Mobiles first) */

/* 1. BOUTONS */
.btn {
  font-family: var(--font-main);
  font-weight: 500;
  padding: 0.5rem 1.25rem;
  border-radius: var(--radius-md); /* Modéré : 8px (fini les ronds à 50px) */
  transition: all var(--transition-smooth);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem; /* Espace pour les icônes */
  border: none;
  cursor: pointer;
}

/* Version mobile: les boutons doivent être facilement "cliquables" (touch targets) */
@media (max-width: 768px) {
  .btn {
    padding: 0.75rem 1.5rem; /* Un peu plus grand sur mobile pour les doigts */
    width: 100%; /* Souvent mieux en largeur totale sur petit écran */
    margin-bottom: 0.5rem;
  }
  .btn-auto {
    width: auto; /* Classe optionnelle pour override */
  }
}

.btn-primary {
  background-color: var(--clr-primary);
  color: #fff;
  box-shadow: var(--shadow-sm);
}

.btn-primary:hover, .btn-primary:active {
  background-color: var(--clr-primary-dark) !important;
  color: #fff !important;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: var(--clr-secondary);
  color: #fff;
}

.btn-secondary:hover {
  background-color: var(--clr-secondary-dark);
  color: #fff;
  transform: translateY(-2px);
}

.btn-outline {
  background-color: transparent;
  color: var(--clr-primary);
  border: 1px solid var(--clr-primary);
}

.btn-outline:hover {
  background-color: var(--clr-primary-light);
  color: var(--clr-primary-dark);
}

/* 2. CARTES (CARDS) */
.card {
  background-color: var(--clr-surface);
  border: 1px solid var(--clr-border) !important;
  border-radius: var(--radius-lg); /* Angle modéré (12px) * au lieu des angles agressifs */
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
  overflow: hidden; /* Important pour que l'image épouse le border-radius */
}

.card:hover {
  transform: translateY(-4px) scale(1.01);
  box-shadow: var(--shadow-lg);
}

.card-body {
  padding: var(--space-6);
}

@media (max-width: 768px) {
  .card-body {
    padding: var(--space-4); /* On réduit un peu l'espace intérieur sur mobille */
  }
}

/* 3. NAVIGATION (Modernisée et allégée) */
.navbar {
  background-color: var(--clr-surface) !important;
  border-bottom: 1px solid var(--clr-border);
  padding: 0.75rem 0;
  box-shadow: none; /* On préfère un bord subtil plutôt qu'une grosse ombre */
}

.navbar-brand {
  font-weight: 700;
  color: var(--clr-primary) !important;
}

.navbar-logo {
  height: 40px; /* Conserver une taille correcte */
  object-fit: contain;
}

.nav-link {
  color: var(--clr-text-main) !important;
  font-weight: 500;
  padding: 0.5rem 1rem !important;
  border-radius: var(--radius-sm);
  transition: color var(--transition-smooth), background-color var(--transition-smooth), transform var(--transition-smooth);
}

.nav-link:hover, .nav-link.active {
  color: var(--clr-primary) !important;
  background-color: var(--clr-primary-light);
}

/* Navbar mobile optimization */
@media (max-width: 991px) {
  .navbar-collapse {
    background: var(--clr-surface);
    padding: var(--space-4);
    border-radius: var(--radius-md);
    margin-top: var(--space-3);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--clr-border);
  }
  .nav-item {
    margin-bottom: 0.25rem;
  }
  /* Cacher la couleur de fond au hover sur mobile pour simplifier l'UX au tap */
  .nav-link:hover {
    background-color: transparent; 
  }
}

/* 4. SECTIONS (Espaces constants) */
.section {
  padding: var(--space-12) 0;
}

.section-light {
  background-color: var(--clr-surface);
}

.section-gray {
  background-color: var(--clr-surface-alt);
}

@media (max-width: 768px) {
  .section {
    padding: var(--space-8) 0;
  }
}

/* 5. FORMULAIRES (Inputs clairs et facilement tapables sur mobile) */
.form-control, .form-select {
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 0.75rem 1rem;
  font-family: var(--font-main);
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  font-size: 1rem; /* Important: prévient le zoom automatique sur iOS iOS Safari */
}

.form-control:focus, .form-select:focus {
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px rgba(0, 86, 179, 0.15); /* Focus subtil */
  outline: none;
}

.form-label {
  font-weight: 500;
  color: var(--clr-text-main);
  margin-bottom: 0.5rem;
}

/* 6. FOOTER */
.site-footer {
  background-color: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding: var(--space-8) 0 var(--space-4);
  margin-top: auto;
}

.site-footer h5 {
  font-size: 1.125rem;
  font-weight: 600;
  margin-bottom: var(--space-4);
}

.site-footer ul {
  list-style: none;
  padding: 0;
  margin: 0;
}

.site-footer ul li {
  margin-bottom: 0.5rem;
}

.site-footer a {
  color: var(--clr-text-muted);
  text-decoration: none;
  transition: color var(--transition-fast);
}

.site-footer a:hover {
  color: var(--clr-primary);
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: var(--space-4);
  margin-top: var(--space-6);
  text-align: center;
  color: var(--clr-text-muted);
  font-size: 0.875rem;
}

/* Utilities Footer sp�cifiques */
.footer-logo { max-height: 50px; margin-bottom: 1rem; }
.social-links a { display: inline-flex; align-items: center; justify-content: center; width: 32px; height: 32px; border-radius: var(--radius-sm); background-color: var(--clr-surface-alt); color: var(--clr-text-main); margin-right: 0.5rem; transition: all var(--transition-fast); }
.social-links a:hover { background-color: var(--clr-primary); color: #fff; transform: translateY(-2px); }

/* FIXES LOGO & NAVBAR */
.navbar-logo {
    max-height: 40px !important;
    width: auto !important;
    object-fit: contain;
}
.navbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
}


/* ========================================================================= */
/* LIVE CHAT WIDGET STYLES                                                   */
/* ========================================================================= */

.chat-toggle {
    position: fixed;
    bottom: 25px;
    right: 25px;
    width: 60px;
    height: 60px;
    background: var(--clr-surface, #fff);
    border: none;
    border-radius: 50%;
    box-shadow: 0 4px 15px rgba(0,0,0,0.15);
    cursor: pointer;
    z-index: 1000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.chat-toggle:hover {
    transform: scale(1.05);
    box-shadow: 0 6px 20px rgba(0,0,0,0.2);
}

.chat-notification {
    position: absolute;
    top: -2px;
    right: -2px;
    background: #ff4757;
    color: white;
    min-width: 22px;
    height: 22px;
    border-radius: 50%;
    font-size: 11px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.livechat-widget {
    position: fixed;
    bottom: 95px;
    right: 25px;
    width: 350px;
    height: 500px;
    background: var(--clr-surface, #fff);
    border-radius: 12px;
    box-shadow: 0 5px 25px rgba(0,0,0,0.2);
    display: flex;
    flex-direction: column;
    z-index: 1000;
    transform: translateY(20px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease;
    overflow: hidden;
}

.livechat-widget.open {
    transform: translateY(0);
    opacity: 1;
    visibility: visible;
}

.chat-header {
    background: var(--clr-primary, #0056b3);
    color: #fff;
    padding: 15px;
    display: flex;
    align-items: center;
    gap: 15px;
}

.chat-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: #fff;
}

.chat-info {
    flex-grow: 1;
}

.chat-title {
    font-weight: 500; /* Roboto 500 */
    font-size: 1.1rem;
    margin-bottom: 2px;
}

.chat-status {
    font-size: 0.8rem;
    display: flex;
    align-items: center;
}

.chat-close {
    background: none;
    border: none;
    color: white;
    cursor: pointer;
    font-size: 1.2rem;
    opacity: 0.8;
}

.chat-close:hover {
    opacity: 1;
}

.chat-messages {
    flex-grow: 1;
    padding: 15px;
    overflow-y: auto;
    background: var(--clr-bg, #f8f9fa);
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.chat-message {
    max-width: 80%;
    padding: 10px 15px;
    border-radius: 15px;
    font-size: 0.95rem;
    word-wrap: break-word;
}

.chat-message.bot {
    background: #fff;
    align-self: flex-start;
    border-bottom-left-radius: 5px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.chat-message.user {
    background: var(--clr-primary, #0056b3);
    color: white;
    align-self: flex-end;
    border-bottom-right-radius: 5px;
}

.chat-input-area {
    padding: 15px;
    background: #fff;
    border-top: 1px solid #eee;
    display: flex;
    gap: 10px;
    align-items: center;
}

#chat-input {
    flex-grow: 1;
    border: 1px solid #ddd;
    border-radius: 20px;
    padding: 10px 15px;
    outline: none;
    font-size: 0.95rem;
    transition: border-color 0.2s;
}

#chat-input:focus {
    border-color: var(--clr-primary, #0056b3);
}

.chat-send, .human-help-quick {
    background: var(--clr-primary, #0056b3);
    color: white;
    border: none;
    border-radius: 50%;
    width: 38px;
    height: 38px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.human-help-quick {
    background: #25d366; /* WhatsApp vert */
}

.chat-send:hover, .human-help-quick:hover {
    filter: brightness(1.1);
}

/* Responsive constraints */
@media (max-width: 576px) {
    .livechat-widget {
        width: calc(100% - 40px);
        height: 60vh;
        bottom: 90px;
        right: 20px;
    }
}

/* Card Hover Effects */
.program-card-hover {
    transition: transform 0.3s ease, box-shadow 0.3s ease !important;
}
.program-card-hover:hover {
    transform: translateY(-8px) !important;
    box-shadow: 0 12px 30px rgba(0,0,0,0.15) !important;
}
.program-card-hover .card-img-top {
    transition: transform 0.5s ease;
}
.program-card-hover:hover .card-img-top {
    transform: scale(1.05);
}