:root {
    /* Light Theme (Default) */
    --background-color: #f8f9fa;
    --container-color: #ffffff;
    --primary-color: #6c5ce7;
    --text-color: #2d3436;
    --shadow-color: rgba(108, 92, 231, 0.2);
    --btn-text-color: #ffffff;
    --font-orbitron: 'Orbitron', sans-serif;
    --font-noto: 'Noto Sans KR', sans-serif;
    --transition-speed: 0.3s;
}

[data-theme="dark"] {
    --background-color: #1a1a1a;
    --container-color: #2c2c2c;
    --primary-color: #00ff9d;
    --text-color: #ffffff;
    --shadow-color: rgba(0, 255, 157, 0.2);
    --btn-text-color: #1a1a1a;
}

body {
    margin: 0;
    padding: 0;
    font-family: var(--font-noto);
    background-color: var(--background-color);
    color: var(--text-color);
    min-height: 100vh;
    transition: background-color var(--transition-speed), color var(--transition-speed);
    background-image: url('data:image/svg+xml,%3Csvg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"%3E%3Cfilter id="n"%3E%3CfeTurbulence type="fractalNoise" baseFrequency="0.75" stitchTiles="stitch"/%3E%3C/filter%3E%3Crect width="100" height="100" filter="url(%23n)" opacity="0.05"/%3E%3C/svg%3E');
}

.container {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 80px 20px;
    gap: 40px;
}

.theme-toggle {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 1000;
}

#theme-btn {
    background: var(--container-color);
    border: 1px solid rgba(0,0,0,0.1);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    font-size: 1.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 4px 10px rgba(0,0,0,0.1);
    transition: all var(--transition-speed);
}

.lotto-machine {
    background-color: var(--container-color);
    padding: 60px;
    border-radius: 30px;
    text-align: center;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1), 0 0 50px var(--shadow-color);
    border: 1px solid rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-speed), box-shadow var(--transition-speed);
    width: 100%;
    max-width: 600px;
}

h1 {
    font-family: var(--font-orbitron);
    font-size: 2.2em;
    color: var(--primary-color);
    margin-bottom: 40px;
    letter-spacing: 2px;
}

.numbers-display {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 15px;
    margin: 40px 0;
    min-height: 60px;
}

.number-ball {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.6em;
    font-weight: 700;
    color: white;
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.15);
    animation: appear 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275) forwards;
    transform: scale(0);
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

#generate-btn {
    font-family: var(--font-noto);
    font-size: 1.1em;
    font-weight: 700;
    padding: 18px 40px;
    border: none;
    border-radius: 15px;
    background-color: var(--primary-color);
    color: var(--btn-text-color);
    cursor: pointer;
    transition: all var(--transition-speed);
    box-shadow: 0 10px 20px var(--shadow-color);
}

/* Disqus 섹션 스타일 */
.comments-section {
    width: 100%;
    max-width: 600px;
    background-color: var(--container-color);
    padding: 30px;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
    transition: background-color var(--transition-speed);
}

@keyframes appear {
    from { opacity: 0; transform: scale(0) translateY(20px); }
    to { opacity: 1; transform: scale(1) translateY(0); }
}

@media (max-width: 480px) {
    .lotto-machine { padding: 40px 20px; }
    .number-ball { width: 50px; height: 50px; font-size: 1.3em; }
    h1 { font-size: 1.8em; }
}