:root {
    --background-color: #f0f0f0;
    --text-color: #333;
    --card-background: #fff;
    --button-background: #4CAF50;
    --button-text: #fff;
}

[data-theme="dark"] {
    --background-color: #333;
    --text-color: #f0f0f0;
    --card-background: #444;
    --button-background: #5cb85c;
    --button-text: #fff;
}

body {
    background-color: var(--background-color);
    color: var(--text-color);
    font-family: sans-serif;
    transition: background-color 0.3s, color 0.3s;
    margin: 0;
    padding: 0;
}

header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 2rem;
    background-color: var(--card-background);
}

main {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 80vh;
}

.lotto-container {
    text-align: center;
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

#generate-btn {
    background-color: var(--button-background);
    color: var(--button-text);
    border: none;
    padding: 1rem 2rem;
    font-size: 1.2rem;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 1rem;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 1rem;
}

.lotto-number {
    display: flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--button-background);
    color: var(--button-text);
    font-size: 1.5rem;
    font-weight: bold;
}

/* Partnership Form Styles */
.partnership-section {
    padding: 4rem 2rem;
    max-width: 600px;
    margin: 0 auto;
}

.partnership-section h2 {
    text-align: center;
    margin-bottom: 2rem;
}

.partnership-form {
    background-color: var(--card-background);
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
}

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: bold;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    background-color: var(--background-color);
    color: var(--text-color);
    box-sizing: border-box;
}

.form-group textarea {
    height: 150px;
    resize: vertical;
}

.submit-btn {
    width: 100%;
    background-color: var(--button-background);
    color: var(--button-text);
    border: none;
    padding: 1rem;
    font-size: 1.1rem;
    border-radius: 5px;
    cursor: pointer;
    transition: opacity 0.2s;
}

.submit-btn:hover {
    opacity: 0.9;
}