body {
    background: #0d0f12;
    color: #e9ecf2;
    font-family: Arial;
    margin: 0;
    padding: 0;
}

.card, .login-card {
    background: #12141a;
    padding: 25px;
    border-radius: 15px;
    width: 380px;
    margin: 40px auto;
    box-shadow: 0 0 25px #0008;
}

input, select {
    width: 100%;
    padding: 12px;
    margin-bottom: 12px;
    background: #1f222a;
    border: 1px solid #2a2d35;
    border-radius: 8px;
    color: #fff;
}

button, .btn {
    background: #4b8bff;
    padding: 12px 18px;
    border: none;
    border-radius: 10px;
    color: #fff;
    font-weight: bold;
    text-decoration: none;
    display: inline-block;
    margin-top: 10px;
}

button:hover, .btn:hover {
    background: #73a3ff;
}

.box {
    background: #1f222a;
    padding: 15px;
    border-radius: 8px;
    margin-top: 12px;
}