body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background-color: #f4f7f6; /* Light background for the main page */
    display: flex;
    flex-direction: column;
    justify-content: space-between; /* Distribute space: main content and footer */
    align-items: center;
    min-height: 100vh;
    margin: 0;
    color: #333;
    box-sizing: border-box;
}

.content-wrapper {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
    flex-grow: 1; /* Allows this wrapper to take available space */
}

.container {
    background-color: #ffffff;
    padding: 30px 40px;
    border-radius: 10px;
    box-shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    text-align: center;
    width: 90%;
    max-width: 500px;
    /* margin-bottom: 30px; Removed as footer handles spacing */
    flex-shrink: 0;
}

h1 {
    color: #2c3e50;
    margin-bottom: 25px;
    font-size: 2.2em;
}

.input-group {
    margin-bottom: 20px;
    text-align: left;
}

.input-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: bold;
    color: #555;
}

.password-wrapper {
    position: relative;
    display: flex;
    align-items: center;
}

input[type="password"],
input[type="text"] {
    width: calc(100% - 40px); /* Account for padding and icon space */
    padding: 12px 10px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 16px;
    box-sizing: border-box;
    transition: border-color 0.3s ease;
}

input[type="password"]:focus,
input[type="text"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 5px rgba(52, 152, 219, 0.5);
}

.password-toggle-icon {
    position: absolute;
    right: 10px;
    cursor: pointer;
    color: #777;
    font-size: 1.1em;
    padding: 5px;
    user-select: none;
    transition: color 0.3s ease;
}

.password-toggle-icon:hover {
    color: #3498db;
}

button {
    background-color: #3498db;
    color: white;
    border: none;
    padding: 12px 25px;
    font-size: 17px;
    border-radius: 5px;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease;
    margin-top: 10px;
}

button:hover {
    background-color: #2980b9;
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}

button:disabled {
    background-color: #bdc3c7;
    cursor: not-allowed;
    transform: none;
}

#result {
    margin-top: 30px;
    padding: 15px;
    background-color: #eaf2f8;
    border-left: 5px solid #3498db;
    text-align: left;
    font-size: 1.1em;
    min-height: 50px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    justify-content: center;
    border-radius: 0 5px 5px 0;
    color: #34495e;
    box-sizing: border-box;
    white-space: pre-wrap;
}

#result span {
    font-weight: bold;
}

#disclaimer {
    font-size: 0.85em;
    color: #7f8c8d;
    padding: 10px;
    border-top: 1px solid #eee;
    width: 100%; /* Match container width */
    box-sizing: border-box;
    margin-top: 0;
}

.loader {
    border: 4px solid #f3f3f3;
    border-top: 4px solid #3498db;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    animation: spin 1s linear infinite;
    margin: 10px auto;
    display: none;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Footer Styling - Refined for GitHub-like appearance */
.site-footer {
    width: 100%;
    padding: 15px 0; /* Reduced padding slightly */
    background-color: #24292f; /* Dark background */
    color: #c9d1d9; /* Light text */
    font-size: 0.8em; /* Base footer font size */
    box-sizing: border-box;
    /* margin-top: auto; Removed as body handles spacing */
}

.footer-content {
    display: flex;
    flex-direction: column; /* Stack items vertically */
    align-items: center;
    max-width: 980px; /* Standard max width */
    margin: 0 auto; /* Center the content */
    padding: 0 15px; /* Horizontal padding */
}

.footer-links {
    margin-bottom: 10px; /* Space below the link group */
}

.repo-link-button {
    color: #58a6ff; /* GitHub link blue */
    text-decoration: underline;
    transition: color 0.2s ease, text-decoration 0.2s ease;
    font-weight: 500;
    font-size: 0.9em; /* Slightly larger link text */
}

.repo-link-button:hover {
    color: #79c0ff; /* Lighter blue on hover */
    text-decoration: none; /* Remove underline on hover */
}

.copyright-text {
    margin: 0;
    color: #8b949e; /* Greyish text for copyright */
    opacity: 0.7; /* Reduced opacity */
    font-size: 0.75em; /* Smaller font size for copyright */
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .content-wrapper {
        padding-top: 20px; /* Add some space at the top for smaller screens */
    }
    .container {
        width: 95%;
        padding: 25px 30px;
    }
    h1 {
        font-size: 1.8em;
    }
    button {
        font-size: 16px;
        padding: 10px 20px;
    }
    #result {
        font-size: 1em;
    }
    #disclaimer {
        font-size: 0.8em;
        padding: 10px 15px;
        width: calc(100% - 30px);
    }
    .password-wrapper input[type="password"],
    .password-wrapper input[type="text"] {
        width: calc(100% - 40px);
    }

    .footer-content {
        max-width: 90%;
    }
    .repo-link-button {
        font-size: 0.85em;
    }
    .copyright-text {
        font-size: 0.7em; /* Further reduce copyright size on small screens */
    }
}