/* Styles globaux */
body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 20px;
    background: linear-gradient(to right, #f0f2f5, #e2e8f0);
    color: #333;
}

/* En-tête */
header {
    background-color: #2d3748; /* gris foncé plus doux */
    color: #fff;
    padding: 20px;
    border-radius: 10px;
    text-align: center;
    margin-bottom: 25px;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

header h1 {
    margin: 0;
    font-size: 2rem;
    font-weight: 600;
}

header p {
    margin: 8px 0 0 0;
}

header a {
    color: #a0aec0;
    text-decoration: none;
    font-weight: 500;
}

header a:hover {
    color: #fff;
    text-decoration: underline;
}

/* Titres */
h2, h3 {
    color: #1a202c;
    margin-top: 25px;
    font-weight: 600;
}

/* Lien Ajouter un article */
a {
    color: #3182ce;
    text-decoration: none;
    font-weight: 500;
}

a:hover {
    text-decoration: underline;
}

/* Tableau */
table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
    background-color: #fff;
    border-radius: 10px;
    overflow: hidden;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

table th, table td {
    padding: 12px;
    border: 1px solid #e2e8f0;
    text-align: left;
    font-size: 0.95rem;
}

table th {
    background-color: #4a5568; /* gris foncé pour header */
    color: #fff;
    font-weight: 600;
}

/* Lignes alternées */
table tr:nth-child(even) {
    background-color: #f7fafc;
}

/* Actions */
table a {
    color: #3182ce;
    font-weight: 500;
}

table a:hover {
    color: #2b6cb0;
    text-decoration: underline;
}

/* Séparateurs */
hr {
    border: 0;
    border-top: 1px solid #cbd5e0;
    margin: 25px 0;
}

/* Responsive */
@media (max-width: 640px) {
    body {
        padding: 10px;
    }
    table th, table td {
        padding: 8px;
    }
}