body {
    margin: 0;
    font-family: 'Segoe UI', sans-serif;
    background: #0b0712;
    color: #e6dcf5;
}

header {
    background: linear-gradient(90deg, #12091f, #0a0614);
    border-bottom: 2px solid #2a1b3d;
    padding: 20px;
    text-align: center;
}

nav a {
    color: #cbb6e9;
    margin: 0 15px;
    text-decoration: none;
}

nav a:hover {
    color: #ffffff;
}

.container {
    padding: 30px;
}

.sell {
    background: #140c22;
    border: 1px solid #2e1c44;
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 20px;
}

button {
    background: #2e1c44;
    color: white;
    border: none;
    border-radius: 5px;
}

button:hover {
    background: #3d2760;
}

.total {
    font-size: 20px;
    color: #e3d6ff;
}