:root {
    --bg-color: #f0f0f0;
    --container-bg: #ffffff;
    --text-color: #333333;
    --shadow: 0 0 20px rgba(0, 0, 0, 0.1);
    --btn-bg: #008CBA;
    --btn-hover: #005f7a;
    --toggle-bg: #ccc;
    --toggle-knob: #ffffff;
}

body.dark {
    --bg-color: #1a1a2e;
    --container-bg: #16213e;
    --text-color: #e0e0e0;
    --shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    --btn-bg: #0f3460;
    --btn-hover: #e94560;
    --toggle-bg: #e94560;
    --toggle-knob: #ffffff;
}

body {
    font-family: 'Jua', sans-serif;
    margin: 0;
    background-color: var(--bg-color);
    transition: background-color 0.3s ease;
}

.page-wrapper {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 60px 20px 60px;
    min-height: 100vh;
    box-sizing: border-box;
}

.container {
    text-align: center;
    background-color: var(--container-bg);
    padding: 40px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    position: relative;
}

h1 {
    color: var(--text-color);
    margin-bottom: 30px;
    transition: color 0.3s ease;
}

.lotto-numbers {
    display: flex;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.number {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background-color: #4CAF50;
    color: white;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 24px;
    font-weight: bold;
}

#generate-btn {
    background-color: var(--btn-bg);
    color: white;
    border: none;
    padding: 15px 30px;
    font-size: 18px;
    border-radius: 10px;
    cursor: pointer;
    transition: background-color 0.3s;
    font-family: 'Jua', sans-serif;
}

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

/* 다크모드 토글 */
.theme-toggle {
    position: absolute;
    top: 15px;
    right: 15px;
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
}

.theme-toggle input[type="checkbox"] {
    display: none;
}

.toggle-label {
    width: 52px;
    height: 28px;
    background-color: var(--toggle-bg);
    border-radius: 14px;
    position: relative;
    cursor: pointer;
    transition: background-color 0.3s ease;
}

.toggle-label::after {
    content: '';
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background-color: var(--toggle-knob);
    border-radius: 50%;
    transition: transform 0.3s ease;
}

#theme-checkbox:checked + .toggle-label::after {
    transform: translateX(24px);
}

.toggle-icon {
    font-size: 18px;
    user-select: none;
    color: var(--text-color);
    transition: color 0.3s ease;
}

/* Disqus 댓글 영역 */
.disqus-wrapper {
    width: 100%;
    max-width: 700px;
    margin-top: 40px;
    background-color: var(--container-bg);
    border-radius: 15px;
    box-shadow: var(--shadow);
    padding: 36px 40px;
    box-sizing: border-box;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
}

.disqus-title {
    color: var(--text-color);
    font-size: 20px;
    margin: 0 0 24px 0;
    padding-bottom: 12px;
    border-bottom: 1.5px solid rgba(128, 128, 128, 0.2);
    transition: color 0.3s ease;
}

/* Disqus 다크모드 색상 반전 */
body.dark #disqus_thread {
    color-scheme: dark;
}

.contact-link {
    display: inline-block;
    margin-top: 16px;
    color: var(--btn-bg);
    text-decoration: none;
    font-size: 15px;
    transition: opacity 0.2s;
}

.contact-link:hover {
    opacity: 0.7;
}

@media (max-width: 600px) {
    .container {
        padding: 20px;
    }

    .number {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }

    #generate-btn {
        padding: 12px 25px;
        font-size: 16px;
    }
}