:root {
    --primary-color: #ff6f61; /* Coral */
    --secondary-color: #6b5b95; /* Amethyst */
    --background-color-light: #f8f9fa; /* Lighter background for gradients */
    --background-color-dark: #e0e7e9; /* Darker background for gradients */
    --card-background: #ffffff; /* White */
    --text-color: #333333; /* Dark Gray */
    --shadow-color: rgba(0, 0, 0, 0.15);
    --button-hover-color: #e65c50;
    --button-shadow-hover: rgba(0, 0, 0, 0.2);
    --button-shadow-active: rgba(0, 0, 0, 0.1);
    --body-background: linear-gradient(135deg, var(--background-color-light) 0%, var(--background-color-dark) 100%);
}

body.dark-mode {
    --primary-color: #8c0000; /* Darker Coral */
    --secondary-color: #926fb1; /* Lighter Amethyst */
    --background-color-light: #2c3e50; /* Darker background for gradients */
    --background-color-dark: #34495e; /* Even darker background for gradients */
    --card-background: #2c2c2c; /* Darker card background */
    --text-color: #e0e0e0; /* Light gray text */
    --shadow-color: rgba(255, 255, 255, 0.1);
    --button-hover-color: #a30000;
    --button-shadow-hover: rgba(255, 255, 255, 0.2);
    --button-shadow-active: rgba(255, 255, 255, 0.1);
    --body-background: linear-gradient(135deg, var(--background-color-light) 0%, var(--background-color-dark) 100%);
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    background: var(--body-background); /* Use the new gradient variable */
    color: var(--text-color);
    line-height: 1.6;
    padding: 20px;
    box-sizing: border-box;
    transition: background 0.5s ease, color 0.3s ease; /* Smooth transition for theme change */
}

.theme-switch-wrapper {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    margin-bottom: 20px;
    position: absolute;
    top: 20px;
    right: 20px;
}

.theme-switch {
    display: inline-block;
    height: 34px;
    position: relative;
    width: 60px;
}

.theme-switch input {
    display: none;
}

.slider {
    background-color: #ccc;
    bottom: 0;
    left: 0;
    right: 0;
    top: 0;
    cursor: pointer;
    position: absolute;
    transition: 0.4s;
}

.slider:before {
    background-color: #fff;
    bottom: 4px;
    content: "";
    height: 26px;
    left: 4px;
    position: absolute;
    transition: 0.4s;
    width: 26px;
}

input:checked + .slider {
    background-color: var(--primary-color);
}

input:checked + .slider:before {
    transform: translateX(26px);
}

.slider.round {
    border-radius: 34px;
}

.slider.round:before {
    border-radius: 50%;
}

.theme-switch-wrapper em {
    margin-left: 10px;
    color: var(--text-color);
}

.container {
    text-align: center;
    background-color: var(--card-background);
    padding: 30px;
    border-radius: 12px;
    box-shadow: 0 10px 30px var(--shadow-color);
    max-width: 600px;
    width: 100%;
    transition: transform 0.3s ease-in-out;
}

.container:hover {
    transform: translateY(-5px);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 25px;
    font-size: 2.2em;
    font-weight: 700;
}

.menu-card {
    background-color: var(--background-color);
    border-radius: 10px;
    padding: 20px;
    margin-bottom: 25px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
}

.menu-image {
    width: 100%;
    max-height: 300px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 15px;
    border: 1px solid #eee;
}

.menu-name {
    color: var(--secondary-color);
    font-size: 1.8em;
    margin-bottom: 10px;
}

.menu-description {
    font-size: 1.1em;
    color: #555555;
    margin-bottom: 20px;
}

.recommend-button {
    background-color: var(--primary-color);
    color: white;
    padding: 12px 25px;
    border: none;
    border-radius: 30px;
    font-size: 1.1em;
    cursor: pointer;
    transition: background-color 0.3s ease, transform 0.2s ease, box-shadow 0.3s ease;
    outline: none;
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.recommend-button:hover {
    background-color: #e65c50; /* Slightly darker coral */
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
}

.recommend-button:active {
    transform: translateY(0);
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

@media (max-width: 768px) {
    h1 {
        font-size: 1.8em;
    }
    .menu-name {
        font-size: 1.5em;
    }
    .menu-description {
        font-size: 1em;
    }
    .recommend-button {
        padding: 10px 20px;
        font-size: 1em;
    }
}