body {
    font-family: Arial, sans-serif;
    background-color: #121212;
    color: #e0e0e0;
    margin: 0;
    padding: 0;
}
header {
    background-color: #1f1f1f;
    padding: 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-bottom: 2px solid #333;
}
nav a {
    color: #bb86fc;
    text-decoration: none;
    margin-left: 1rem;
}
main {
    padding: 2rem;
    max-width: 900px;
    margin: auto;
}
.level-card {
    display: flex;
    align-items: center;
    background: #1e1e1e;
    margin-bottom: 1rem;
    padding: 1rem;
    border-radius: 8px;
    border: 1px solid #333;
}
.level-thumb {
    width: 160px;
    height: 90px;
    object-fit: cover;
    margin-right: 1.5rem;
    border-radius: 4px;
    background: #333;
}
.level-info h3 {
    margin: 0 0 0.5rem 0;
    color: #ffffff;
}
.level-info p {
    margin: 0.2rem 0;
    color: #b0b0b0;
}
form {
    display: flex;
    flex-direction: column;
    max-width: 400px;
}
label {
    margin-top: 1rem;
    margin-bottom: 0.3rem;
}
input {
    padding: 0.5rem;
    background: #222;
    border: 1px solid #444;
    color: #fff;
    border-radius: 4px;
}
button {
    margin-top: 1.5rem;
    padding: 0.7rem;
    background: #bb86fc;
    color: #121212;
    border: none;
    font-weight: bold;
    border-radius: 4px;
    cursor: pointer;
}
button:hover {
    background: #9965f4;
}