/* Light/Dark Mode */
@media (prefers-color-scheme: dark) {
    body, header {
        background-color: #333;
        color: #fff;
    }
    .tile {
        background-color: #444;
        color: #fff;
    }
    .login-container {
        background-color: #444;
        color: #fff;
        box-shadow: 0px 4px 10px rgba(255, 255, 255, 0.2);
    }
    .login-input, .login-button {
        background-color: #555;
        color: #fff;
    }
	.logout-button {
        background-color: #444;
        color: #fff;
    }
}

@media (prefers-color-scheme: light) {
    body, header {
        background-color: #f0f0f0;
        color: #333;
    }
    .tile {
        background-color: #eee;
        color: #333;
    }
    .login-container {
        background-color: #fff;
        color: #333;
        box-shadow: 0px 4px 10px rgba(0, 0, 0, 0.1);
    }
    .login-input, .login-button {
        background-color: #f9f9f9;
        color: #333;
    }
	.logout-button {
        background-color: #007acc;
        color: #fff;
    }
}

/* General Styles */
body {
    margin: 0;
    padding: 0;
    font-family: 'Arial', sans-serif;
    display: flex;
    flex-direction: column;
    min-height: 100vh;
}

header {
    padding: 15px;
    text-align: center;
	position: relative;
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-grow: 1;
    padding: 20px;
}

/* Login Form Styles */
.login-container {
    max-width: 400px;
    width: 100%;
    padding: 20px;
    border-radius: 10px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.login-container h2 {
    margin-bottom: 20px;
}

.login-form {
    width: 100%;
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.login-input {
    padding: 10px;
    font-size: 16px;
    border-radius: 5px;
    border: 1px solid #ccc;
}

.login-input:focus {
    outline: none;
    border-color: #007acc;
}

.login-button {
    padding: 10px;
    font-size: 16px;
    background-color: #007acc;
    color: #fff;
    border: none;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.login-button:hover {
    background-color: #005b99;
}

.logout-button {
    position: absolute;
    top: 15px;
    right: 15px;
    background-color: #007acc;
    color: #fff;
    padding: 8px 16px;
    border-radius: 5px;
    text-decoration: none;
    font-size: 14px;
    transition: background-color 0.3s ease;
}

.logout-button:hover {
    background-color: #005b99;
}

/* Error Message */
.error {
    color: red;
    margin-top: 10px;
    font-size: 14px;
}

/* Tile Styles */
#tiles {
    display: grid;
    gap: 15px;
    grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
    width: 100%;
    max-width: 1000px;
    padding: 10px;
}

.tile {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
    padding: 20px;
    border-radius: 8px;
    text-decoration: none;
    transition: transform 0.3s;
    box-shadow: 0px 4px 6px rgba(0, 0, 0, 0.1);
}

.tile:hover {
    transform: scale(1.05);
}

/* Mobile Responsiveness */
@media (max-width: 600px) {
    .tile {
        padding: 15px;
    }
}