/* Root variables for theme colors inspired by W3Schools */
:root {
    --primary-color: #4CAF50; /* Primary color used in W3Schools */
    --secondary-color: #ffffff; /* Secondary color for text and background */
    --background-color: #f1f1f1; /* Light background color */
    --dark-background-color: #2f2f2f; /* Dark background color */
    --dark-text-color: #fafafa; /* Dark text color for dark mode */
    --light-text-color: #000000; /* Light text color for light mode */
    --highlight-color: #ff5722; /* Highlight color for buttons */
}

body {
    font-family: 'Roboto', sans-serif;
    margin: 0;
    padding: 0;
    background-color: var(--background-color);
    color: var(--light-text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: flex-start;
    min-height: 100vh;
}

.title {
    text-align: center;
    font-size: 3rem;
    margin: 20px 0;
    color: var(--primary-color);
}

.container {
    background-color: var(--secondary-color);
    padding: 40px;
    border-radius: 15px;
    box-shadow: 0 0 15px rgba(0, 0, 0, 0.2);
    width: 80%;
    max-width: 600px;
    text-align: center;
}

.content {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.input-label, .output-label {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: var(--primary-color);
}

.input-text, .output-text {
    width: 100%;
    min-height: 200px;
    margin-bottom: 20px;
    padding: 20px;
    border: 1px solid var(--primary-color);
    border-radius: 15px;
    resize: none;
    box-sizing: border-box;
    font-size: 18px;
    background-color: var(--secondary-color);
    color: var(--light-text-color);
}
.input-text::-webkit-scrollbar, .output-text::-webkit-scrollbar {
    width: 8px;
}

.input-text::-webkit-scrollbar-thumb, .output-text::-webkit-scrollbar-thumb {
    background-color: var(--primary-color);
    border-radius: 10px;
}

.input-text::-webkit-scrollbar-track, .output-text::-webkit-scrollbar-track {
    background-color: var(--secondary-color);
    border-radius: 10px;
}

.action-button {
    padding: 15px 30px;
    background-color: var(--primary-color);
    color: var(--secondary-color);
    border: none;
    border-radius: 15px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin: 10px;
    font-size: 18px;
    font-weight: 600;
    text-transform: uppercase;
}

.action-button:hover {
    background-color: var(--highlight-color);
}

.action-button:disabled {
    background-color: #666;
    cursor: not-allowed;
}

.button-group {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.toggle-button {
    position: fixed;
    top: 10px;
    right: 10px;
    background-color: transparent;
    border: none;
    color: var(--light-text-color);
    font-size: 1.5rem;
    cursor: pointer;
    transition: color 0.3s ease;
}

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

.made-with-love {
    font-size: 0.8rem;
    text-align: center;
    margin: 20px 0;
}

.dark-mode {
    --background-color: var(--dark-background-color);
    --light-text-color: var(--dark-text-color);
    --secondary-color: var(--dark-background-color);
    --primary-color: #4CAF50;
}

/* Menu styling */
nav {
    width: 100%;
    background-color: var(--primary-color);
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    justify-content: center;
    gap: 20px;
}

.menu li {
    display: inline;
}

.menu a {
    display: block;
    padding: 15px 20px;
    color: var(--secondary-color);
    text-decoration: none;
    font-size: 1rem;
    transition: background-color 0.3s ease;
}

.menu a:hover {
    background-color: var(--highlight-color);
}

@media (max-width: 600px) {
    .container {
        width: 95%;
        padding: 20px;
    }

    .input-text, .output-text {
        font-size: 16px;
        min-height: 150px;
    }

    .action-button {
        padding: 10px 20px;
        font-size: 16px;
    }

    .toggle-button {
        font-size: 1.2rem;
    }

    .menu {
        flex-direction: column;
        gap: 10px;
    }

    .menu a {
        font-size: 0.9rem;
        padding: 10px 15px;
    }
}