body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 0;
    background: #121212;
    color: #e0e0e0;
}
header {
    background: #1f1f1f;
    color: #fff;
    padding: 10px;
    text-align: center;
}
nav a {
    color: #fff;
    margin: 0 10px;
    text-decoration: none;
}
nav a:hover {
    text-decoration: underline;
}
table {
    width: 90%;
    margin: 20px auto;
    border-collapse: collapse;
    background: #1f1f1f;
    color: #e0e0e0;
}
table, th, td {
    border: 1px solid #333;
    padding: 10px;
    text-align: center;
}
form {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin: 20px;
}
form input {
    padding: 8px;
    background: #1f1f1f;
    color: #e0e0e0;
    border: 1px solid #333;
}
form button, button {
    padding: 8px 15px;
    background: #333;
    color: #fff;
    border: none;
    cursor: pointer;
    border-radius: 4px;
}
form button:hover, button:hover {
    background: #555;
}
#loginSection, #adminPanel {
    width: 80%;
    margin: auto;
    padding: 20px;
    background: #1f1f1f;
    border-radius: 8px;
}
.menu-btn {
    display:inline-block;
    padding:15px 30px;
    margin:15px;
    background:#333;
    color:white;
    text-decoration:none;
    font-size:18px;
    border-radius:6px;
}
.menu-btn:hover {
    background:#555;
}