body {
    font-family: sans-serif;
    background-color: #f0f0f0;
    color: #111;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    margin: 0;
    padding: 2rem 1rem;
    box-sizing: border-box;
    gap: 2rem;
    transition: background-color 0.3s, color 0.3s;
}

body.dark {
    background-color: #1a1a2e;
    color: #e0e0e0;
}

.theme-toggle {
    position: fixed;
    top: 1rem;
    right: 1rem;
    background-color: #333;
    color: #fff;
    border: none;
    padding: 0.5rem 1rem;
    font-size: 0.9rem;
    border-radius: 20px;
    cursor: pointer;
    transition: background-color 0.3s;
    z-index: 100;
}

.theme-toggle:hover {
    background-color: #555;
}

body.dark .theme-toggle {
    background-color: #e0e0e0;
    color: #1a1a2e;
}

.container {
    background-color: white;
    color: #111;
    padding: 2rem;
    border-radius: 10px;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
    text-align: center;
    transition: background-color 0.3s, color 0.3s;
}

body.dark .container {
    background-color: #16213e;
    color: #e0e0e0;
    box-shadow: 0 4px 8px rgba(0, 0, 0, 0.5);
}

h1 {
    margin-bottom: 1.5rem;
}

#generate {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 1rem 2rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    margin-bottom: 1.5rem;
    transition: background-color 0.3s;
}

#generate:hover {
    background-color: #45a049;
}

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

.number {
    background-color: #f8f8f8;
    border: 1px solid #ddd;
    color: #111;
    border-radius: 50%;
    width: 50px;
    height: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

body.dark .number {
    background-color: #0f3460;
    border-color: #e94560;
    color: #e0e0e0;
}

/* Contact Form */
.contact-container {
    width: 100%;
    max-width: 480px;
    text-align: left;
}

.contact-container h2 {
    margin-bottom: 0.5rem;
    font-size: 1.3rem;
}

.contact-desc {
    margin-bottom: 1.5rem;
    font-size: 0.9rem;
    color: #555;
}

body.dark .contact-desc {
    color: #aaa;
}

.form-group {
    display: flex;
    flex-direction: column;
    margin-bottom: 1rem;
}

.form-group label {
    font-size: 0.85rem;
    font-weight: bold;
    margin-bottom: 0.3rem;
}

.form-group input,
.form-group textarea {
    padding: 0.6rem 0.8rem;
    border: 1px solid #ccc;
    border-radius: 5px;
    font-size: 0.95rem;
    font-family: inherit;
    background-color: #fff;
    color: #111;
    transition: border-color 0.2s, background-color 0.3s, color 0.3s;
    resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #4CAF50;
}

body.dark .form-group input,
body.dark .form-group textarea {
    background-color: #0f3460;
    border-color: #444;
    color: #e0e0e0;
}

body.dark .form-group input::placeholder,
body.dark .form-group textarea::placeholder {
    color: #888;
}

.submit-btn {
    background-color: #4CAF50;
    color: white;
    border: none;
    padding: 0.75rem 2rem;
    font-size: 1rem;
    border-radius: 5px;
    cursor: pointer;
    width: 100%;
    transition: background-color 0.3s;
}

.submit-btn:hover {
    background-color: #45a049;
}

.form-status {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    text-align: center;
    min-height: 1.2em;
}

/* Disqus */
.disqus-container {
    width: 100%;
    max-width: 720px;
    text-align: left;
}