body {
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100vh;
    background: linear-gradient(to right, #6a11cb, #2575fc);
    overflow: hidden;
}

header {
    position: absolute;
    top: 0;
    width: 100%;
    z-index: 10;
}

.slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slider img {
    width: 100%;
    height: 100vh;
    object-fit: cover;
    filter: brightness(50%);
}

main {
    width: 100%;
}

#login {
    width: 85%;
    max-width: 25em;
    border-radius: 1em;
    margin-top: 0;
    background: #008072;
    backdrop-filter: blur(10px);
    transition: transform 0.3s ease-in-out;
}

#login:hover {
    transform: scale(1.05);
}

#login form {
    padding: .5em 1.5em;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding-top: 25px;
    font-size: 1.0em;
}

.cadeado {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    margin-top: -50px;
    margin-left: calc(50% - 35px);
}

.bg-logs {
    background: #ddd;
}

.logoHeader {
    width: 15em;
}

.form-group {
    margin-bottom: 1em;
}

input[type="text"], input[type="password"] {
    min-width: none;
    max-width: none;
    border: 1px solid #ccc;
    border-radius: 0.5em;
    padding: 10px;
    font-size: 1em;
    transition: border-color 0.3s ease-in-out;
}

input[type="text"]:focus, input[type="password"]:focus {
    border-color: #2575fc;
    outline: none;
}

.mainbtn {
    border: none;
    border-radius: 0.5em;
    padding: 10px;
    font-size: 1.2em;
    color: white;
    cursor: pointer;
    transition: background-color 0.3s ease-in-out;
}