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

body {
    font-family: Arial, sans-serif;
    background: #f4f6f8;
    display: flex;
}


/* MENU */

.menu {
    width: 240px;
    min-height: 100vh;
    background: #1f2937;
    padding: 25px 15px;
}

.menu h2 {
    color: white;
    text-align: center;
    margin-bottom: 30px;
}

.menu nav {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.menu a {
    color: white;
    text-decoration: none;
    padding: 12px;
    border-radius: 6px;
}

.menu a:hover {
    background: #374151;
}


/* CONTENU */

.contenu {
    flex: 1;
    padding: 35px;
}

header h1 {
    font-size: 30px;
    margin-bottom: 8px;
}

header p {
    color: #6b7280;
}


/* STATISTIQUES */

.statistiques {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.carte {
    background: white;
    padding: 25px;
    border-radius: 10px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
}

.carte h3 {
    color: #6b7280;
    margin-bottom: 15px;
}

.carte strong {
    font-size: 30px;
}


/* BIENVENUE */

.bienvenue {
    background: white;
    margin-top: 30px;
    padding: 30px;
    border-radius: 10px;
}

.bienvenue h2 {
    margin-bottom: 10px;
}
form {
    background: white;
    padding: 25px;
    margin-top: 25px;
    border-radius: 10px;
}

form label {
    display: block;
    margin-top: 15px;
    margin-bottom: 5px;
    font-weight: bold;
}

form input,
form select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 5px;
}

form button {
    margin-top: 20px;
    padding: 12px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
}

table {
    width: 100%;
    margin-top: 25px;
    background: white;
    border-collapse: collapse;
}

th,
td {
    padding: 12px;
    border-bottom: 1px solid #ddd;
    text-align: left;
}

th {
    background: #f1f5f9;
}