/* Resetta i margini e padding di default */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: Arial, sans-serif;
    background-color: #e0f7fa;
    color: #333;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    background-color: #26a69a;
    color: #fff;
    padding: 20px 0;
    text-align: center;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

header h1 {
    margin: 0;
    font-size: 24px;
}

nav {
    background-color: #00796b;
    color: #fff;
    padding: 10px 0;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

nav ul {
    list-style: none;
    display: flex;
    justify-content: center;
    padding: 0;
    margin: 0;
}

nav ul li {
    margin: 0 15px;
}

nav ul li a {
    color: #fff;
    text-decoration: none;
    font-size: 18px;
}

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

.container {
    flex: 1;
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: flex-start;
    padding: 20px;
}

.card {
    background-color: #fff;
    padding: 20px;
    border: 1px solid #ddd;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-radius: 8px;
    width: 100%;
    max-width: 500px;
    margin-bottom: 20px;
}

form {
    display: flex;
    flex-direction: column;
}

form label {
    margin-top: 10px;
    margin-bottom: 5px;
    font-weight: bold;
}

form input[type="text"],
form input[type="email"],
form input[type="submit"] {
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 16px;
    margin-bottom: 10px;
}

form input[type="submit"] {
    background-color: #26a69a;
    color: #fff;
    border: none;
    cursor: pointer;
}

form input[type="submit"]:hover {
    background-color: #00796b;
}

ul {
    list-style: none;
    padding: 0;
}

ul li {
    padding: 10px;
    border-bottom: 1px solid #ddd;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.tab-container {
    width: 100%;
}

.tabs {
    display: flex;
    cursor: pointer;
}

.tab {
    flex: 1;
    padding: 10px;
    text-align: center;
    background-color: #f1f1f1;
    border: 1px solid #ccc;
}

.tab.active {
    background-color: #ddd;
}

.tab-content {
    display: none;
    padding: 20px;
    border-top: none;
    background-color: white;
}

.tab-content.active {
    display: block;
}