:root {
    --background-start: #89f7fe;
    --background-end: #66a6ff;
    --text-color: #333;
    --card-background: #fff;
    --button-background: #4CAF50;
    --button-text: white;
    --header-color: #333;
    --slider-background: #ccc;
}

[data-theme="dark"] {
    --background-start: #4854e4;
    --background-end: #292E49;
    --text-color: #ecf0f1;
    --card-background: #2c3e50;
    --button-background: #3498db;
    --button-text: white;
    --header-color: #ecf0f1;
    --slider-background: #555;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    margin: 0;
    background: linear-gradient(to right, var(--background-start), var(--background-end));
    color: var(--text-color);
    transition: background 0.3s, color 0.3s;
}

.container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
}

header {
    display: flex;
    justify-content: flex-end;
    align-items: center;
    margin-bottom: 20px;
    height: 40px; /* Give header a fixed height */
}

.header-controls {
    display: flex;
    align-items: center;
    gap: 20px;
}

.lang-switch-wrapper {
    display: flex;
    align-items: center;
    background-color: var(--slider-background);
    border-radius: 20px;
    padding: 3px;
}

.lang-btn {
    background-color: transparent;
    border: none;
    color: var(--text-color);
    padding: 5px 15px;
    font-size: 0.9rem;
    font-weight: bold;
    cursor: pointer;
    border-radius: 17px;
    transition: background-color 0.3s, color 0.3s;
}

.lang-btn.active {
    background-color: var(--card-background);
    color: var(--header-color);
}

.controls {
    text-align: center;
    margin-top: 20px;
    margin-bottom: 30px;
}

button {
    background-color: var(--button-background);
    color: var(--button-text);
    border: none;
    padding: 15px 40px;
    font-size: 1.2rem;
    cursor: pointer;
    border-radius: 8px;
    margin: 0 10px;
    transition: background-color 0.3s;
}

button:hover {
    opacity: 0.9;
}

.dinner-suggestions {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 300px;
    text-align: center;
}

.dinner-suggestions h1 {
    font-size: 3rem;
    color: var(--header-color);
    opacity: 0.8;
}

.suggestion-card {
    background: var(--card-background);
    padding: 30px 40px;
    border-radius: 15px;
    box-shadow: 0 8px 20px rgba(0,0,0,0.12);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    animation: slideUp 0.5s ease-out forwards;
}

.card-title {
    font-weight: bold;
    margin-bottom: 10px;
    font-size: 1rem;
    color: var(--text-color);
    opacity: 0.7;
}

.suggestion-text {
    font-weight: bold;
    color: var(--header-color);
    font-size: 2.5rem;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Theme Switch */
.theme-switch-wrapper {
    display: flex;
    align-items: center;
}

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

.theme-switch input {
    display: none;
}

.slider {
    background-color: var(--slider-background);
    bottom: 0;
    cursor: pointer;
    left: 0;
    position: absolute;
    right: 0;
    top: 0;
    transition: .4s;
}

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

input:checked + .slider {
    background-color: #3498db;
}

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

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

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


/* Contact Form Section */
#contact-form-section {
    background-color: var(--card-background);
    padding: 40px;
    margin-top: 50px;
    border-radius: 10px;
    box-shadow: 0 4px 15px rgba(0,0,0,0.1);
    text-align: center;
}

#contact-form-section h2 {
    color: var(--header-color);
    font-size: 2rem;
    margin-bottom: 30px;
}

#partnership-form {
    max-width: 600px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.form-group {
    text-align: left;
}

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group textarea {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--slider-background);
    border-radius: 5px;
    background-color: var(--background-start); /* Use a subtle background */
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box; /* Ensure padding doesn't increase width */
    transition: border-color 0.3s;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group textarea:focus {
    border-color: var(--button-background);
    outline: none;
}

#partnership-form button[type="submit"] {
    background-color: var(--button-background);
    color: var(--button-text);
    border: none;
    padding: 15px 30px;
    font-size: 1.1rem;
    cursor: pointer;
    border-radius: 5px;
    margin-top: 10px;
    transition: background-color 0.3s;
}

#partnership-form button[type="submit"]:hover {
    opacity: 0.9;
}