body {
    background-color: #111;
    color: white;
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    text-align: center;
}

header {
    display: flex;
    align-items: center;
    padding: 20px;
}

header img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
}

header h1 {
    margin: 0;
    font-size: 1.6em;
}

nav {
    margin-left: auto;
}

nav a {
    color: white;
    margin-left: 15px;
    text-decoration: none;
    font-size: 1.2em;
}

/* Dropdown container */
.dropdown {
    position: relative;
    display: inline-block;
}

.dropdown-content {
    display: none;
    position: absolute;
    background-color: #222;
    min-width: 140px;
    box-shadow: 0px 8px 16px rgba(0,0,0,0.2);
    z-index: 1;
    text-align: left;
    border-radius: 10px; /* ← add this line */
}

.dropdown-content a {
    color: white;
    padding: 10px 14px;
    text-decoration: none;
    display: block;
}

.dropdown:hover .dropdown-content {
    display: block;
}

.dropdown-content a:hover {
    background-color: #444;
}

/* Responsive header on mobile */
@media (max-width: 768px) {
    header {
        flex-direction: column;
        align-items: center;
    }
    header img {
        margin-right: 0;
        margin-bottom: 10px;
    }
    nav {
        margin: 10px 0 0;
        text-align: center;
    }
    nav a, .dropdown {
        display: inline-block;
        margin: 5px 8px;
    }
}