/* Reset CSS Mobile */ 
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

header {
    background: #000000; 
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    text-align: center;
    padding: 2rem;
}

header h1 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

header p {
    font-size: 1.2rem;
}

nav {
    position: fixed;
    top: 0;
    width: 100%;
    background: #3b0b0b; 
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    z-index: 100;
}

nav .logo {
    color: #ffc0cb; 
    font-weight: bold;
    font-size: 1.2rem;
}

nav a {
    color: #ffc0cb; 
    text-decoration: none;
    margin: 0 0.5rem;
    font-weight: bold;
    font-size: 0.9rem;
}

nav a:hover {
    text-decoration: underline;
}

section {
    padding: 2rem 1rem;
    text-align: center;
}

section h2 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
    color: #000;
}

section p {
    max-width: 600px;
    margin: 0 auto;
    font-size: 1rem;
    color: #555;
}

footer {
    text-align: center;
    padding: 1rem;
    background: #222;
    color: white;
}

footer p {
    font-size: 0.8rem;
}

.box-container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem;
}

.box {
    background: #fff;
    border: 1px solid #ccc;
    padding: 1rem;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    width: 100%;
    max-width: 500px;
}

.box h2 {
    font-size: 1.2rem;
    margin-bottom: 1rem;
    color: #000;
}

.box p {
    font-size: 0.9rem;
    color: #555;
}

/* Responsive Design */
@media (max-width: 768px) {
    nav a {
        font-size: 0.8rem;
        margin: 0 0.3rem;
    }

    nav .logo {
        font-size: 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    header p {
        font-size: 1rem;
    }

    .box-container {
        gap: 1rem;
    }

    .box {
        padding: 1rem;
        width: 90%;
    }
}

@media (max-width: 480px) {
    nav {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    nav a {
        display: block;
        margin: 0.5rem 0;
    }

    header {
        padding: 1rem;
    }

    header h1 {
        font-size: 1.8rem;
    }

    header p {
        font-size: 0.9rem;
    }

    .box {
        padding: 0.8rem;
    }

    .box h2 {
        font-size: 1rem;
    }

    .box p {
        font-size: 0.8rem;
    }

@media only screen and (max-width: 768px) {
    img {
        max-width: 100%; /* L'image ne dépassera pas 100% de la largeur de son conteneur */
        height: auto;    /* Maintient les proportions de l'image */
        display: block;  /* Évite les marges latérales automatiques */
        margin: 0 auto;  /* Centre l'image horizontalement */
    }
}

@media only screen and (max-width: 768px) {
    header .box-container {
        padding-top: 200px; /* Ajuste à la hauteur exacte de ton menu fixe */
    }
}

/* Leaderboard Styles for Mobile */
.leaderboard-container {
    max-width: 90%;
    margin: 20px auto;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.leaderboard-header {
    font-size: 1.5rem;
    padding: 15px 0;
    background-color: #3b0b0b; /* Couleur sombre existante */
    color: #ffc0cb; /* Couleur rose */
}

.leaderboard-list {
    padding: 0;
    margin: 0;
}

.leaderboard-item {
    padding: 10px 15px;
    font-size: 0.9rem;
}

.leaderboard-rank,
.leaderboard-score {
    font-size: 1rem;
    font-weight: bold;
}

.leaderboard-name {
    margin-left: 10px;
    font-size: 1rem;
    flex: 1;
}