:root {
    --bg-color: #f4f4f4;
    --text-color: #333;
    --container-bg-color: #fff;
    --button-bg-color: #007bff;
    --button-text-color: #fff;
    --button-hover-bg-color: #0056b3;
    --toggle-bg-color: #ddd;
    --toggle-fg-color: #fff;
    --toggle-icon-color: #666;
}

body.dark-mode {
    --bg-color: #2c2c2c;
    --text-color: #f4f4f4;
    --container-bg-color: #424242;
    --button-bg-color: #009688;
    --button-hover-bg-color: #00796b;
    --toggle-bg-color: #555;
    --toggle-fg-color: #424242;
    --toggle-icon-color: #f4f4f4;
}

body {
    font-family: Arial, sans-serif;
    display: flex;
    flex-direction: column; /* Stack containers vertically */
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 20px 0; /* Add some padding to the top and bottom */
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    background-color: var(--container-bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    max-width: 500px;
    width: 90%;
    position: relative;
    transition: background-color 0.3s ease;
}

#theme-toggle {
    background: var(--toggle-bg-color);
    border: none;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2em;
    color: var(--toggle-icon-color);
    transition: background-color 0.3s ease, color 0.3s ease;
}

h1 {
    color: var(--text-color);
    margin-bottom: 20px;
}

p#recommendation {
    font-size: 1.2em;
    margin-bottom: 30px;
    min-height: 1.5em;
}

/* New common styling for primary action buttons */
.primary-button {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-top: 20px; /* Add margin to separate from content, can be overridden if needed */
}

.primary-button:hover {
    background-color: var(--button-hover-bg-color);
}

#recommendButton {
    /* Now uses .primary-button styles */
}

#recommendButton:hover {
    /* Now uses .primary-button:hover styles */
}

.contact-form-container {
    background-color: var(--container-bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: left; /* Align text to left for form labels */
    max-width: 500px;
    width: 90%;
    margin-top: 20px; /* Space between the two containers */
    transition: background-color 0.3s ease;
}

.contact-form-container h2 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 25px;
}

.contact-form-container form {
    display: flex;
    flex-direction: column;
}

.contact-form-container label {
    margin-bottom: 8px;
    color: var(--text-color);
    font-weight: bold;
}

.contact-form-container input[type="text"],
.contact-form-container input[type="email"],
.contact-form-container textarea {
    padding: 10px;
    margin-bottom: 20px;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 1em;
    background-color: var(--bg-color); /* Use a lighter background for input fields */
    color: var(--text-color);
    transition: background-color 0.3s ease, border-color 0.3s ease;
}

.contact-form-container input[type="text"]:focus,
.contact-form-container input[type="email"]:focus,
.contact-form-container textarea:focus {
    border-color: var(--button-bg-color); /* Highlight on focus */
    outline: none;
}

.contact-form-container button[type="submit"] {
    background-color: var(--button-bg-color);
    color: var(--button-text-color);
    border: none;
    padding: 12px 25px;
    border-radius: 5px;
    font-size: 1em;
    cursor: pointer;
    transition: background-color 0.3s ease;
    align-self: center; /* Center the submit button */
    width: 50%; /* Make button smaller than full width */
    margin-top: 10px;
}

.contact-form-container button[type="submit"]:hover {
    background-color: var(--button-hover-bg-color);
}

.disqus-container {
    background-color: var(--container-bg-color);
    padding: 30px;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    max-width: 500px;
    width: 90%;
    margin-top: 20px;
    transition: background-color 0.3s ease;
}

.disqus-container h2 {
    text-align: center;
    color: var(--text-color);
    margin-bottom: 25px;
}

#webcam-container {
    margin-top: 20px;
    display: flex;
    justify-content: center;
}

#webcam-container canvas {
    border: 2px solid var(--text-color);
    border-radius: 8px;
}

#label-container {
    margin-top: 20px;
    font-size: 1.1em;
    color: var(--text-color);
}

#label-container div {
    padding: 5px;
    border-bottom: 1px dashed var(--text-color);
}

#label-container div:last-child {
    border-bottom: none;
}

.home-link {
    display: inline-block;
    margin-top: 30px;
    color: var(--button-bg-color);
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
}

.home-link:hover {
    text-decoration: underline;
}

.top-right-buttons {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    gap: 10px; /* Space between buttons */
}

/* Styling for buttons inside top-right-buttons, similar to theme-toggle */
.top-right-buttons button {
    background: var(--toggle-bg-color);
    border: none;
    cursor: pointer;
    border-radius: 50%;
    width: 40px;
    height: 40px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1em; /* Smaller font for smaller buttons */
    color: var(--toggle-icon-color);
    transition: background-color 0.3s ease, color 0.3s ease;
    font-weight: bold; /* Make EN/KO stand out */
}

.top-right-buttons button:hover {
    background-color: var(--button-hover-bg-color);
}

.main-footer {
    width: 100%;
    max-width: 500px; /* Match container max-width */
    margin-top: 30px;
    padding: 20px;
    text-align: center;
    background-color: var(--container-bg-color);
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s ease;
    color: var(--text-color);
}

.main-footer nav a {
    color: var(--button-bg-color); /* Use a distinct color for links */
    text-decoration: none;
    margin: 0 10px;
    font-weight: bold;
    transition: color 0.3s ease;
}

.main-footer nav a:hover {
    color: var(--button-hover-bg-color);
    text-decoration: underline;
}

.main-footer p#footer-copyright {
    margin-top: 15px;
    font-size: 0.9em;
    color: var(--text-color);
}