:root {
    --bg-color: #f0f0f0;
    --text-color: #333;
    --container-bg: #fff;
    --ball-bg: #f9f9f9;
    --ball-text: #333;
    --btn-bg: #007bff;
    --btn-text: #fff;
}

[data-theme="dark"] {
    --bg-color: #1a1a1a;
    --text-color: #f0f0f0;
    --container-bg: #2d2d2d;
    --ball-bg: #444;
    --ball-text: #fff;
    --btn-bg: #375a7f;
    --btn-text: #fff;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    display: flex;
    flex-direction: column;
    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;
    margin: 0;
    padding: 2rem 0;
}

.inquiry-section {
    margin-top: 3rem;
    width: 100%;
    max-width: 400px;
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.inquiry-section h2 {
    margin-top: 0;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
    text-align: center;
}

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

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background-color: var(--ball-bg);
    color: var(--text-color);
    font-size: 1rem;
    box-sizing: border-box;
}

.form-group textarea {
    resize: vertical;
}

.inquiry-section button {
    width: 100%;
}

.comments-section {
    margin-top: 3rem;
    width: 100%;
    max-width: 800px;
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: background-color 0.3s;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 10px;
    margin-bottom: 2rem;
}

lotto-ball {
    display: inline-block;
}

button {
    padding: 12px 24px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    border-radius: 6px;
    background-color: var(--btn-bg);
    color: var(--btn-text);
    transition: transform 0.1s, opacity 0.2s;
}

button:active {
    transform: scale(0.98);
}

button:hover {
    opacity: 0.9;
}

#theme-toggle {
    position: absolute;
    top: 20px;
    right: 20px;
    background: none;
    color: var(--text-color);
    font-size: 1.5rem;
    padding: 5px;
}