:root {
    --primary-color: #ffde00;
    --secondary-color: #ff005d;
    --background-color: #1a1a1a;
    --text-color: #ffffff;
    --input-bg-color: #333333;
    --glow-color: rgba(255, 222, 0, 0.6);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --border-color: #444;
    --text-color-button: #111; /* Default for dark mode */

    --font-display: 'Orbitron', sans-serif;
    --font-body: 'Roboto', sans-serif;
}

body.light-mode {
    --primary-color: #007bff;
    --secondary-color: #6c757d;
    --background-color: #f8f9fa;
    --text-color: #212529;
    --input-bg-color: #e9ecef;
    --glow-color: rgba(0, 123, 255, 0.3);
    --shadow-color: rgba(0, 0, 0, 0.1);
    --border-color: #ced4da;
    --text-color-button: #ffffff; /* For light mode, buttons will have white text */
}

body {
    font-family: var(--font-body);
    background-color: var(--background-color);
    color: var(--text-color);
    margin: 0;
    padding: 20px;
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="4" height="4" viewBox="0 0 4 4"><path fill="%23333333" fill-opacity="0.4" d="M1 3h1v1H1V3zm2-2h1v1H3V1z"></path></svg>');
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.light-mode {
    background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" width="4" height="4" viewBox="0 0 4 4"><path fill="%23e9ecef" fill-opacity="0.4" d="M1 3h1v1H1V3zm2-2h1v1H3V1z"></path></svg>');
}

/* Theme Toggle Button Styling */
.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000; /* Ensure it's above other content */
}

.theme-toggle button {
    font-family: var(--font-body);
    font-size: 0.9rem;
    padding: 8px 15px;
    background: var(--input-bg-color);
    color: var(--text-color);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.theme-toggle button:hover {
    background: var(--primary-color);
    color: #111;
    box-shadow: 0 0 10px var(--glow-color);
}

dinner-recommender {
    display: block;
    width: 100%;
    max-width: 600px;
    margin: 0 auto;
    background: var(--background-color); /* Use theme variable */
    border: 1px solid var(--border-color); /* Use theme variable */
    box-shadow: 0 10px 25px var(--shadow-color), 0 5px 15px var(--shadow-color); /* Use theme variable */
}

.recommendation-display {
    margin-top: 40px;
    padding: 30px;
    background: var(--input-bg-color);
    border-radius: 15px;
    box-shadow: 0 5px 15px var(--shadow-color);
    min-height: 100px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 2.5rem;
    font-weight: bold;
    color: var(--text-color);
    transition: background-color 0.3s ease, color 0.3s ease, box-shadow 0.3s ease;
}