:root {
    --primary-color: #4ecca3;
    --bg-dark: #1a1a2e;
    --card-bg: rgba(255, 255, 255, 0.05);
}

body {
    margin: 0;
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1a2e, #16213e);
    font-family: 'Pretendard', sans-serif;
    color: white;
}

.container {
    width: 90%;
    max-width: 400px;
}

.card {
    background: var(--card-bg);
    padding: 2.5rem;
    border-radius: 24px;
    backdrop-filter: blur(20px);
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: 0 20px 40px rgba(0,0,0,0.4);
}

h1 { margin: 0; font-size: 1.8rem; font-weight: 800; }
.subtitle { opacity: 0.6; font-size: 0.9rem; margin-top: 5px; }

.display-area {
    margin: 2rem 0;
}

.image-container {
    position: relative;
    width: 200px;
    height: 200px;
    margin: 0 auto;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 20px rgba(0,0,0,0.3);
}

#menu-image {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: opacity 0.3s ease;
}

.menu-info {
    margin-top: 15px;
}

.menu {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

button {
    width: 100%;
    background: var(--primary-color);
    border: none;
    padding: 15px;
    border-radius: 12px;
    color: var(--bg-dark);
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(78, 204, 163, 0.4);
}

button:active { transform: translateY(0); }

.history-section {
    margin-top: 2rem;
    text-align: left;
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 1.5rem;
}

h3 { font-size: 1rem; margin-bottom: 1rem; opacity: 0.8; }

ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

li {
    padding: 8px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
    font-size: 0.9rem;
    opacity: 0.7;
}

li:first-child { color: var(--primary-color); opacity: 1; font-weight: 600; }