body {
    font-family: Arial, sans-serif;
    background: #1e1e2f;
    color: #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 40px;
}

.card {
    background: #2a2a3d;
    padding: 30px;
    border-radius: 10px;
    width: 380px;
    box-shadow: 0 0 20px rgba(0,0,0,0.4);
}

h1 {
    color: #7fd1ff;
}

input[type=text], input[type=password] {
    width: 100%;
    padding: 8px;
    margin: 8px 0;
    border-radius: 5px;
    border: none;
}

button {
    background: #7fd1ff;
    border: none;
    padding: 10px 16px;
    border-radius: 5px;
    cursor: pointer;
    font-weight: bold;
}

.error {
    color: #ff6b6b;
}

table {
    width: 90%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    border: 1px solid #444;
    padding: 8px 12px;
    text-align: left;
}

th {
    background: #33334d;
}

a {
    color: #7fd1ff;
}