/* --- Style global --- */
body {
    font-family: 'Segoe UI', Roboto, Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    background-color: #f3f0f9;
    color: #333;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
}

/* --- En-tête --- */
header {
    background: linear-gradient(135deg, #6a11cb, #8e2de2); /* Dégradé violet */
    color: #fff;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between; /* Accueil à gauche, Admin à droite */
    align-items: center;
    position: fixed; /* Fixé en haut */
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

/* --- Liens dans le header --- */
header a {
    color: #fff;
    text-decoration: none;
    font-weight: 600;
    font-size: 1.1rem;
    transition: opacity 0.2s ease;
}

header a:hover {
    opacity: 0.8;
}

/* --- Espace pour éviter que le contenu passe sous le header --- */
main {
    flex: 1;
    margin-top: 80px; /* Hauteur du header */
    padding: 20px;
}

/* --- Titres --- */
h1, h2, h3 {
    color: #5b1dbb;
}

/* --- Articles --- */
article {
    background: #fff;
    padding: 20px;
    margin: 15px auto;
    width: 90%;
    max-width: 800px;
    border-radius: 10px;
    border: 1px solid #e0d4f7;
    box-shadow: 0 3px 6px rgba(0, 0, 0, 0.08);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

article:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 10px rgba(0, 0, 0, 0.15);
}

/* --- Liens d’articles --- */
article h2 a {
    color: #8e2de2;
    text-decoration: none;
    transition: color 0.2s ease;
}

article h2 a:hover {
    color: #5b1dbb;
    text-decoration: underline;
}

/* --- Tableaux --- */
table {
    width: 90%;
    margin: 25px auto;
    border-collapse: collapse;
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

table th, table td {
    padding: 12px 15px;
    border-bottom: 1px solid #ddd;
}

table th {
    background-color: #8e2de2;
    color: #fff;
    text-align: left;
}

table tr:hover {
    background-color: #f5e9ff;
}

/* --- Messages d’erreur --- */
.error {
    color: #721c24;
    font-weight: 600;
    border: 1px solid #f5c6cb;
    background: #f8d7da;
    padding: 12px;
    border-radius: 6px;
    width: 90%;
    max-width: 800px;
    margin: 10px auto;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

/* --- Pied de page --- */
footer {
    background: #6a11cb;
    color: #fff;
    text-align: center;
    padding: 15px 0;
    position: fixed; /* Collé en bas */
    bottom: 0;
    left: 0;
    width: 100%;
    box-shadow: 0 -2px 5px rgba(0, 0, 0, 0.2);
    font-size: 0.95rem;
}