:root {
    --bg-color: #f0f0f0;
    --container-bg: #ffffff;
    --text-color: #333333;
    --lotto-number-bg: #eeeeee;
    --lotto-number-text: #333333;
    --btn-bg: #4CAF50;
    --btn-hover: #45a049;
    --shadow: rgba(0, 0, 0, 0.1);
}

body.dark-mode {
    --bg-color: #121212;
    --container-bg: #1e1e1e;
    --text-color: #e0e0e0;
    --lotto-number-bg: #333333;
    --lotto-number-text: #e0e0e0;
    --btn-bg: #388e3c;
    --shadow: rgba(0, 0, 0, 0.5);
}

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;
}

.container {
    position: relative;
    text-align: center;
    background-color: var(--container-bg);
    padding: 2.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 20px var(--shadow);
    transition: background-color 0.3s, box-shadow 0.3s;
}

#theme-toggle {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: var(--text-color);
}

h1 {
    margin-bottom: 2rem;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 0.8rem;
    margin-bottom: 2rem;
}

.lotto-number {
    width: 45px;
    height: 45px;
    border-radius: 50%;
    background-color: var(--lotto-number-bg);
    color: var(--lotto-number-text);
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.2rem;
    font-weight: bold;
    transition: background-color 0.3s, color 0.3s;
}

#generate-btn {
    padding: 0.8rem 2rem;
    font-size: 1.1rem;
    border: none;
    border-radius: 8px;
    background-color: var(--btn-bg);
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

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

#generate-btn:active {
    transform: scale(0.98);
}

.divider {
    margin: 2.5rem 0;
    border: none;
    border-top: 1px solid var(--lotto-number-bg);
}

.contact-section h2 {
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.form-group {
    margin-bottom: 1rem;
}

input, textarea {
    width: 100%;
    padding: 0.8rem;
    border-radius: 6px;
    border: 1px solid var(--lotto-number-bg);
    background-color: var(--lotto-number-bg);
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box;
    transition: border-color 0.3s, background-color 0.3s;
}

input:focus, textarea:focus {
    outline: none;
    border-color: var(--btn-bg);
}

#submit-btn {
    width: 100%;
    padding: 0.8rem;
    font-size: 1rem;
    border: none;
    border-radius: 6px;
    background-color: var(--btn-bg);
    color: #fff;
    cursor: pointer;
    transition: background-color 0.3s, transform 0.1s;
}

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

.comments-section {
    margin-top: 2rem;
    text-align: left;
}

#disqus_thread {
    width: 100%;
}