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

 
/* Header et Navigation */
header {
    background-color: #212121;
    color: white;
    padding: 10px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: relative;
}

header .logo {
    font-size: 1.5em;
    font-weight: bold;
    color: red;
    text-decoration: none;
}



header .search-bar {
    flex: 1;
    display: flex;
    margin: 0 20px;
}

header .search-bar input {
    flex: 1;
    padding: 10px;
    border: none;
    border-radius: 2px 0 0 2px;
}

header .search-bar button {
    background-color: #ff0000;
    border: none;
    padding: 10px 20px;
    color: white;
    cursor: pointer;
    border-radius: 0 2px 2px 0;
}

/* Menu burger et menu déroulant */
.menu-burger {
    flex-direction: column;
    justify-content: center;
    align-items: center;
    width: 30px;
    height: 30px;
    cursor: pointer;
}

.menu-burger span {
    background-color: white;
    width: 100%;
    height: 4px;
    margin: 3px 0;
    transition: 0.3s;
}

/* Menu de navigation */
nav {
    display: flex;
    gap: 15px;
}

nav a {
    color: black;
    text-decoration: none;
    font-size: 1em;
}

/* Vidéos - Grille Adaptative */
.video-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr); /* Par défaut, 4 vidéos par ligne */
    gap: 20px;
    padding: 20px;
}

.video-card {
    background-color: white;
    border-radius: 5px;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    overflow: hidden;
    display: flex;
    flex-direction: column;
}

.video-card img {
    width: 100%;
    display: block;
}

.video-info {
    padding: 10px;
}

.video-info h3 {
    font-size: 1em;
    margin-bottom: 5px;
}

.video-info p {
    font-size: 0.9em;
    color: #666;
}

/* Footer */
footer {
    background-color: #212121;
    color: white;
    text-align: center;
    padding: 10px;
    margin-top: 20px;
}

footer p {
    font-size: 0.9em;
}

/* --- Responsive Design --- */
@media (max-width: 768px) {
    header {
        flex-wrap: wrap;
    }

    header .search-bar {
        width: 100%;
        margin: 10px 10px;
    }

    nav {
        display: none; /* Cacher le menu de navigation par défaut */
    }

    .menu-burger {
        display: flex; /* Montrer le menu burger */
    }

    .nav-menu.active {
        display: flex; /* Afficher le menu lorsqu'il est actif */
        flex-direction: column;
        gap: 10px;
        background-color: #333;
        position: absolute;
        top: 60px;
        right: 20px;
        padding: 10px;
        border-radius: 5px;
    }

    /* Grille de vidéos */
    .video-grid {
        grid-template-columns: 1fr 1fr; /* 2 vidéos par ligne sur tablettes */
    }
}

@media (max-width: 480px) {
    /* Grille de vidéos sur mobile */
    .video-grid {
        grid-template-columns: 1fr; /* 1 vidéo par ligne */
    }
}


.search-bar-mobile {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 5px 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    margin: 10px 0;
}

.search-input {
    flex: 1;
    border: none;
    outline: none;
    padding: 5px;
    font-size: 16px;
}