* {
    box-sizing: border-box;
}

html, body {
    margin: 0;
    padding: 0;
    height: 100%;
    overflow: hidden; /* Zabrání scrollování */
    font-family: Arial, sans-serif;
    background: url('../img/bytove-domy.jpg') no-repeat center center fixed;
    background-size: cover;
}

.overlay {
    background-color: rgba(0, 0, 0, 0.6);
    height: 100%;
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
}

.login-box {
    position: relative;
    max-width: 400px;
    margin: 100px auto;
    background: white;
    padding: 30px;
    border-radius: 10px;
    z-index: 2;
}

h2 {
    margin-bottom: 20px;
    text-align: center;
}

input[type="text"], input[type="password"], input[type="email"] {
    width: 100%;
    padding: 12px;
    margin: 10px 0;
    border: 1px solid #ccc;
    border-radius: 5px;
}

.btn {
    width: 100%;
    padding: 12px;
    margin-top: 10px;
    background-color: #007bff;
    color: white;
    border: none;
    border-radius: 5px;
    cursor: pointer;
}

.btn:hover {
    background-color: #0056b3;
}

.toggle-link, .forgot-link {
    display: block;
    text-align: center;
    margin-top: 10px;
    color: #007bff;
    text-decoration: none;
}

.toggle-link:hover, .forgot-link:hover {
    text-decoration: underline;
}

.app-header {
    position: absolute;
    top: 20px;
    left: 20px;
    display: flex;
    align-items: center;
    color: white;
    z-index: 3;
}


.app-header img {
    width: 40px;
    height: 40px;
    margin-right: 10px;
    border-radius: 5px;
    background: white;
    padding: 3px;
}

.app-header h1 {
    margin: 0;
    font-size: 1.2em;
}

.app-header p {
    margin: 0;
    font-size: 0.9em;
    opacity: 0.9;
}