/* ============================================
   VARIABLES GLOBALES
   ============================================ */
:root {
    --primary-blue: #258cfb;
    --primary-purple: #4e4376;
    --navbar-hover-color: #ffd700;
    --footer-height: 60px;
    --shadow-color: rgba(0, 0, 0, 0.175);
    --bg-overlay: rgba(255, 255, 255, 0.85);
    --card-bg: #ffffff;
    --danger-color: #c0392b; /* Ajout pour la cohérence */
}

/* ============================================
   TAILLE DE BASE & RACINE
   ============================================ */
html {
    font-size: 14px;
    position: relative;
    min-height: 100%;
}

@media (min-width: 768px) {
    html {
        font-size: 16px;
    }
}

body {
    margin-bottom: var(--footer-height); /* Espace pour le footer fixe */
}

/* ============================================
   ACCESSIBILITÉ : FOCUS
   ============================================ */
.btn:focus-visible,
.btn-link.nav-link:focus-visible,
.form-control:focus-visible,
.form-check-input:focus-visible {
    box-shadow: 0 0 0 0.1rem white, 0 0 0 0.25rem var(--primary-blue);
}

/* ============================================
   FORMULAIRES
   ============================================ */
/* Placeholders dans .form-floating */
.form-floating > .form-control-plaintext::placeholder,
.form-floating > .form-control::placeholder {
    color: var(--bs-secondary-color);
    text-align: end;
}

.form-floating > .form-control-plaintext:focus::placeholder,
.form-floating > .form-control:focus::placeholder {
    text-align: start;
}

/* Champs de formulaire stylisés (taille large) */
.form-control-lg {
    font-size: 1.1rem;
    padding: 0.75rem 1.2rem;
    border: 2px solid #e2e8f0;
    transition: all 0.2s ease;
}

    .form-control-lg:focus {
        border-color: var(--primary-purple);
        box-shadow: 0 0 0 0.25rem rgba(78, 67, 118, 0.25);
    }

/* Focus général pour tous les champs */
.form-control:focus {
    border-color: var(--primary-purple);
    box-shadow: 0 0 0 0.25rem rgba(78, 67, 118, 0.25);
}

/* ============================================
   BOUTONS
   ============================================ */
.btn-primary {
    transition: transform 0.2s, box-shadow 0.2s;
}

    .btn-primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(78, 67, 118, 0.4);
    }

.btn-danger {
    transition: transform 0.2s, box-shadow 0.2s;
}

    .btn-danger:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(192, 57, 43, 0.4);
    }

/* ============================================
   CARTES
   ============================================ */
.card {
    border: none;
    background: var(--card-bg);
}

.card-header {
    border-bottom: none;
}

/* ============================================
   CLASSES UTILITAIRES PERSONNALISÉES
   ============================================ */
.bg-opacity-75 {
    background-color: var(--bg-overlay);
}

.rounded-4 {
    border-radius: 1rem;
}

.shadow-lg-custom {
    box-shadow: 0 1rem 3rem var(--shadow-color);
}

/* ============================================
   NAVBAR (styles de base)
   ============================================ */
.navbar-dark .navbar-nav .nav-link {
    transition: all 0.25s ease;
    border-radius: 20px;
    padding: 0.5rem 1rem;
    margin: 0 0.2rem;
}

    .navbar-dark .navbar-nav .nav-link:hover {
        background-color: rgba(255, 255, 255, 0.15);
        transform: scale(1.05);
        color: var(--navbar-hover-color) !important;
    }

.navbar-brand i {
    transition: transform 0.3s ease;
}

.navbar-brand:hover i {
    transform: rotate(-8deg) scale(1.05);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    position: absolute;
    bottom: 0;
    width: 100%;
    height: var(--footer-height);
    line-height: var(--footer-height);
    border-top: 2px solid #e9ecef;
    background-color: #f8f9fa;
    text-align: center;
}

/* ============================================
   NAVBAR GLASSMORPHISM (styles avancés)
   ============================================ */
.glass-nav {
    background: rgba(255, 255, 255, 0.08) !important;
    backdrop-filter: blur(16px) saturate(180%) !important;
    -webkit-backdrop-filter: blur(16px) saturate(180%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12) !important;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1) !important;
    padding: 0.6rem 1rem !important;
    transition: all 0.3s ease;
}

    .glass-nav .navbar-brand {
        color: #fff !important;
    }

.gradient-text {
    background: linear-gradient(135deg, #ffd700, #ff6b6b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    font-weight: 800;
}

.navbar-dark .navbar-nav .nav-link {
    color: rgba(255, 255, 255, 0.85) !important;
    transition: all 0.25s ease;
    border-radius: 20px;
    padding: 0.5rem 1rem !important;
    font-weight: 500;
    position: relative;
}

    .navbar-dark .navbar-nav .nav-link::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 50%;
        width: 0;
        height: 2px;
        background: #ffd700;
        transition: all 0.3s ease;
        transform: translateX(-50%);
    }

    .navbar-dark .navbar-nav .nav-link:hover::after {
        width: 70%;
    }

    .navbar-dark .navbar-nav .nav-link:hover {
        color: #ffd700 !important;
        transform: translateY(-1px);
    }

    /* Bouton Admin spécial */
    .navbar-dark .navbar-nav .nav-link.btn-admin {
        background: rgba(255, 215, 0, 0.15);
        border: 1px solid rgba(255, 215, 0, 0.3);
        border-radius: 30px;
        padding: 0.4rem 1.2rem !important;
        transition: all 0.3s ease;
    }

        .navbar-dark .navbar-nav .nav-link.btn-admin:hover {
            background: rgba(255, 215, 0, 0.25);
            border-color: #ffd700;
            transform: scale(1.05);
        }

        .navbar-dark .navbar-nav .nav-link.btn-admin::after {
            display: none;
        }

/* ============================================
   MAIN CONTENT – éviter que la navbar fixe cache le contenu
   ============================================ */
.main-content {
    padding-top: 76px; /* Hauteur de la navbar */
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 991.98px) {
    .glass-nav .navbar-collapse {
        background: rgba(0, 0, 0, 0.5);
        backdrop-filter: blur(10px);
        border-radius: 1rem;
        padding: 1rem;
        margin-top: 0.5rem;
    }

    .navbar-dark .navbar-nav .nav-link::after {
        display: none;
    }

    .navbar-dark .navbar-nav .nav-link:hover {
        transform: none;
    }

    .gradient-text {
        font-size: 1.2rem;
    }
}

@media (max-width: 768px) {
    .main-content {
        padding-top: 66px;
    }
}