:root {
    --primary-color: #f1f8fc;
    --secondary-color:  #0074c7;
    --accent-1: #00497c;
    --accent-2: #384050;
    --dark:  #cd2c2e;
    --light: #82b864;
}

body {
    font-family: 'Comic Sans MS', cursive, sans-serif;
    background-color: #f8f9fa;
}

/* Navigation */
.bg-primary-custom {
    background-color:  var(--primary-color) !important;
}

.navbar-brand {
    font-size: 1.5rem;
    font-weight: bold;
}

@media (max-width: 991.98px) {
    .navbar {
        position: relative;
    }

    .navbar-collapse {
        position: absolute;
        top: 100%;
        right: 0;
        width: 250px;
        max-width: 90vw;
        background-color: var(--primary-color);
        padding: 1rem;
        border-radius: 0 0 8px 8px;
        box-shadow: 0 8px 16px rgba(0, 0, 0, 0.15);
        z-index: 1050;
    }

    .navbar-nav {
        text-align: right;
    }
}

/* Boutons */
.btn-primary-custom {
    background-color:  var(--primary-color);
    border-color: var(--primary-color);
    color: white;
}

.btn-primary-custom:hover {
    background-color: #5a4abd;
    border-color: #5a4abd;
    color: white;
}

/* Texte */
.text-primary-custom {
    color: var(--primary-color) !important;
}

/* Cards */
.hover-card {
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.hover-card:hover {
    transform:  translateY(-5px);
    box-shadow: 0 10px 20px rgba(0,0,0,0.15);
}

/* Badges */
.badge.bg-primary-custom {
    background-color:  var(--primary-color) !important;
}

/* Alerts */
.alert-success {
    background-color: #d4edda;
    border-color: #c3e6cb;
    color: #155724;
}

/* Footer */
footer {
    margin-top: auto;
}

/* Lesson content */
.lesson-content {
    background-color: white;
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
}

/* Images */
.img-card-cover {
    height: 200px;
    object-fit: cover;
}

/* Sticky sidebar */
.sticky-sidebar {
    position: sticky;
    top: 20px;
}

/* Admin gradient header */
.bg-gradient-admin {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

/* Responsive */
@media (max-width:  768px) {
    .navbar-brand {
        font-size: 1.2rem;
    }

    .sticky-sidebar {
        position: static;
    }
}