:root {
    --bg-color: #f0f2f5;
    --container-bg: white;
    --text-color: #333;
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
    --number-bg: #f9f9f9;
    --number-border: #ddd;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

[data-theme='dark'] {
    --bg-color: #18191a;
    --container-bg: #242526;
    --text-color: #e4e6eb;
    --btn-bg: #2d88ff;
    --btn-hover: #1b74e4;
    --number-bg: #3a3b3c;
    --number-border: #444;
    --shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
}

body {
    font-family: 'Helvetica Neue', sans-serif;
    background-color: var(--bg-color);
    color: var(--text-color);
    display: flex;
    justify-content: center;
    align-items: flex-start;
    min-height: 100vh;
    margin: 0;
    padding: 40px 20px;
    transition: background-color 0.3s ease, color 0.3s ease;
    box-sizing: border-box;
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 12px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease;
    position: relative;
    width: 100%;
    max-width: 600px;
}

h1 {
    color: var(--text-color);
    margin-bottom: 20px;
}

#generate-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 8px;
    cursor: pointer;
    transition: background-color 0.3s ease;
    margin-bottom: 20px;
}

#generate-btn:hover {
    background-color: var(--btn-hover);
}

.result-container {
    display: flex;
    justify-content: center;
    gap: 10px;
    flex-wrap: wrap;
}

.lotto-number {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background-color: var(--number-bg);
    border: 1px solid var(--number-border);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 20px;
    font-weight: bold;
    color: var(--text-color);
    transition: all 0.3s ease;
}

.theme-toggle {
    position: absolute;
    top: 10px;
    right: 10px;
    cursor: pointer;
    background: none;
    border: none;
    font-size: 24px;
    padding: 0;
}

.divider {
    margin: 30px 0;
    border: 0;
    border-top: 1px solid var(--number-border);
}

.contact-form {
    margin-top: 20px;
    text-align: left;
}

.contact-form h2 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    text-align: center;
}

.contact-form form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.contact-form input,
.contact-form textarea {
    padding: 12px;
    border-radius: 8px;
    border: 1px solid var(--number-border);
    background-color: var(--number-bg);
    color: var(--text-color);
    font-size: 14px;
    font-family: inherit;
}

.contact-form textarea {
    height: 100px;
    resize: vertical;
}

.submit-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 12px;
    border-radius: 8px;
    font-size: 16px;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.submit-btn:hover {
    background-color: var(--btn-hover);
}

#disqus_thread {
    margin-top: 30px;
    text-align: left;
}