main.login-page {
    background-color: #1a2533;
    display: flex;
    justify-content: center;
    align-items: center;
    height: 100vh;
    margin: 0;
}

.login-container {
    background-color: #1f2c3b;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
    width: 100%;
    max-width: 400px;
    color: #fff;
}

.login-container h3 {
    text-align: center;
    margin-bottom: 30px;
    color: #fff;
    font-weight: 300;
}

.form-group {
    margin-bottom: 25px;
    position: relative;
}

.form-group label {
    color: #00a8ff;
    font-size: 12px;
    position: absolute;
    top: -10px;
    left: 0;
    transition: all 0.3s ease;
}

.form-group .form-control {
    background-color: transparent;
    border: none;
    border-bottom: 1px solid #4f6073;
    border-radius: 0;
    color: #fff;
    padding: 10px 0;
}

.form-group .form-control:focus {
    background-color: transparent;
    box-shadow: none;
    border-bottom-color: #00a8ff;
    color: #fff;
}

.form-group .form-control::placeholder {
    color: #4f6073;
}

.btn-submit {
    background-color: transparent;
    border: none;
    color: #00a8ff;
    padding: 10px 0;
    font-weight: bold;
    position: relative;
    width: 100%;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 2px;
    transition: all 0.3s ease;
}

.btn-submit::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 2px;
    background-color: #00a8ff;
    transition: width 0.3s ease;
}

.btn-submit:hover::before,
.btn-submit:focus::before {
    width: 100%;
}