:root {
    --primary-color: #4a90e2;
    --secondary-color: #50e3c2;
    --white: #ffffff;
    
    /* Light Theme (Default) */
    --background-color: #f0f2f5;
    --container-bg: #ffffff;
    --text-color: #333333;
    --card-shadow: rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] {
    --background-color: #121212;
    --container-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --card-shadow: rgba(0, 0, 0, 0.5);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    background-color: var(--background-color);
    color: var(--text-color);
    display: flex;
    flex-direction: column;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 2rem 0;
    transition: background-color 0.3s ease, color 0.3s ease;
}

.container {
    background: var(--container-bg);
    padding: 2.5rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--card-shadow);
    text-align: center;
    position: relative;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    max-width: 500px;
    width: 90%;
    margin-bottom: 2rem;
}

.disqus-container {
    background: var(--container-bg);
    padding: 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px var(--card-shadow);
    max-width: 500px;
    width: 90%;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.divider {
    height: 1px;
    background-color: var(--text-color);
    opacity: 0.1;
    margin: 2.5rem 0;
}

.partnership-section h2 {
    font-size: 1.25rem;
    margin-bottom: 1.5rem;
    color: var(--primary-color);
}

.inquiry-form {
    display: flex;
    flex-direction: column;
    gap: 1rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 0.8rem 1rem;
    border: 1.5px solid var(--background-color);
    background-color: var(--background-color);
    color: var(--text-color);
    border-radius: 10px;
    font-size: 0.95rem;
    box-sizing: border-box;
    transition: all 0.3s ease;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    background-color: var(--container-bg);
}

.form-group textarea {
    height: 100px;
    resize: none;
}

.submit-btn {
    background: var(--primary-color);
    color: var(--white);
    border: none;
    padding: 0.8rem;
    border-radius: 10px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: opacity 0.3s ease;
}

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

.theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    border-radius: 50%;
    width: 40px;
    height: 40px;
    cursor: pointer;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    transition: all 0.3s ease;
}

.theme-toggle:hover {
    background: var(--primary-color);
    color: var(--white);
}

h1 {
    color: var(--primary-color);
    margin-bottom: 2rem;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 2rem;
}

.number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    transition: transform 0.3s ease;
}

.number:empty {
    background: #e0e0e0;
}

.number.animate {
    transform: scale(1.1);
}

#generate {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: var(--white);
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 50px;
    cursor: pointer;
    transition: background 0.3s ease, transform 0.2s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

#generate:hover {
    transform: translateY(-2px);
}

#generate:active {
    transform: translateY(0);
}