body {
    background: #f6f8fa;
    font-family: 'Segoe UI', Arial, sans-serif;
    margin: 0;
    padding: 0;
}

#contenu {
    max-width: 900px;
    margin: 40px auto;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
    padding: 32px 40px 40px 40px;
}

label {
    font-weight: 600;
    margin-right: 12px;
    color: #333;
}

select {
    padding: 8px 16px;
    border-radius: 6px;
    border: 1px solid #d1d5db;
    background: #f9fafb;
    font-size: 1rem;
    margin-bottom: 24px;
    transition: border 0.2s;
}

select:focus {
    border: 1.5px solid #6366f1;
    outline: none;
}

table {
    width: 100%;
    border-collapse: collapse;
    background: #fff;
    margin-top: 12px;
}

th,
td {
    padding: 14px 12px;
    text-align: left;
}

th {
    background: #f3f4f6;
    color: #374151;
    font-size: 1.05rem;
    border-bottom: 2px solid #e5e7eb;
}

tr {
    transition: background 0.15s;
}

tr:nth-child(even) {
    background: #f9fafb;
}

tr:hover {
    background: #e0e7ff;
}

.termine {
    color: #16a34a;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 8px;
    background: #dcfce7;
}

.encours {
    color: #b91c1c;
    font-weight: bold;
    padding: 4px 12px;
    border-radius: 8px;
    background: #fee2e2;
}

@media (max-width: 700px) {
    #contenu {
        padding: 12px;
    }

    th,
    td {
        padding: 8px 4px;
    }
}

th:last-child,
td:last-child {
    min-width: 120px;
    width: 140px;
}