:root {
    --bg-color: #f0f0f0;
    --text-color: #333;
    --btn-bg-color: #fff;
    --btn-text-color: #333;
}

body {
    font-family: sans-serif;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background-color: var(--bg-color);
    color: var(--text-color);
    transition: background-color 0.3s, color 0.3s;
}

body.dark {
    --bg-color: #333;
    --text-color: #f0f0f0;
    --btn-bg-color: #555;
    --btn-text-color: #f0f0f0;
}

.container {
    text-align: center;
}

#generator-btn, #theme-toggle-btn {
    padding: 10px 20px;
    font-size: 1.2rem;
    cursor: pointer;
    background-color: var(--btn-bg-color);
    color: var(--btn-text-color);
    border: 1px solid var(--text-color);
    margin: 5px;
}

#numbers-container {
    margin-top: 20px;
    font-size: 1.5rem;
}

.partner-inquiry {
    margin-top: 32px;
    padding: 20px;
    border: 1px solid var(--text-color);
    border-radius: 10px;
}

.partner-inquiry h2 {
    margin-bottom: 12px;
    font-size: 1.4rem;
}

.partner-inquiry form {
    display: grid;
    gap: 10px;
    max-width: 420px;
    margin: 0 auto;
    text-align: left;
}

.partner-inquiry label {
    font-size: 0.95rem;
}

.partner-inquiry input,
.partner-inquiry textarea {
    padding: 10px 12px;
    border: 1px solid var(--text-color);
    border-radius: 6px;
    background: var(--btn-bg-color);
    color: var(--btn-text-color);
    font-size: 1rem;
}

.partner-inquiry input::placeholder,
.partner-inquiry textarea::placeholder {
    color: var(--btn-text-color);
    opacity: 0.6;
}

.submit-btn {
    padding: 10px 16px;
    font-size: 1rem;
    cursor: pointer;
    background-color: var(--btn-bg-color);
    color: var(--btn-text-color);
    border: 1px solid var(--text-color);
}

.comments {
    margin-top: 32px;
    padding: 20px;
    border: 1px solid var(--text-color);
    border-radius: 10px;
    text-align: left;
}

.comments h2 {
    margin-bottom: 8px;
    font-size: 1.4rem;
}

.comments-note {
    margin: 0 0 16px;
    opacity: 0.8;
    font-size: 0.95rem;
}

#disqus_thread {
    background: var(--btn-bg-color);
    padding: 12px;
    border-radius: 8px;
}