* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary: #2563eb;
    --primary-light: #3b82f6;
    --bg: #f8fafc;
    --card: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --menu-a: #3b82f6;
    --menu-b: #10b981;
}

body {
    font-family: 'Pretendard', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
    line-height: 1.6;
}

.container {
    max-width: 600px;
    margin: 0 auto;
    padding: 2rem 1rem;
}

header {
    text-align: center;
    margin-bottom: 2rem;
}

header h1 {
    font-size: 2.5rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.02em;
}

.subtitle {
    color: var(--text-light);
    font-size: 0.95rem;
    margin-top: 0.25rem;
}

.date-nav {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.date-nav h2 {
    font-size: 1.25rem;
    font-weight: 600;
    min-width: 180px;
    text-align: center;
}

.nav-btn {
    width: 40px;
    height: 40px;
    border: none;
    background: var(--card);
    border-radius: 50%;
    font-size: 1.25rem;
    color: var(--text);
    cursor: pointer;
    box-shadow: 0 1px 3px rgba(0,0,0,0.1);
    transition: all 0.2s;
}

.nav-btn:hover {
    background: var(--primary);
    color: white;
    transform: scale(1.05);
}

.menu-card {
    background: var(--card);
    border-radius: 16px;
    padding: 1.5rem;
    margin-bottom: 1rem;
    box-shadow: 0 1px 3px rgba(0,0,0,0.08);
}

.menu-card.menu-a {
    border-left: 4px solid var(--menu-a);
}

.menu-card.menu-b {
    border-left: 4px solid var(--menu-b);
}

.menu-header {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    margin-bottom: 1rem;
}

.menu-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    color: white;
}

.menu-a .menu-badge {
    background: var(--menu-a);
}

.menu-b .menu-badge {
    background: var(--menu-b);
}

.menu-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 0.5rem;
}

.menu-item {
    padding: 0.5rem 0.75rem;
    background: var(--bg);
    border-radius: 8px;
    font-size: 0.95rem;
    text-align: center;
}

.no-menu {
    text-align: center;
    padding: 3rem 1rem;
    color: var(--text-light);
}

.no-menu-icon {
    font-size: 3rem;
    margin-bottom: 1rem;
}

.no-menu p {
    font-size: 1.1rem;
}

.loading {
    text-align: center;
    padding: 3rem;
    color: var(--text-light);
}

.weekend {
    background: linear-gradient(135deg, #fef3c7 0%, #fde68a 100%);
    border-radius: 16px;
    padding: 2rem;
    text-align: center;
}

.weekend-icon {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.weekend p {
    color: #92400e;
    font-weight: 500;
}

@media (max-width: 480px) {
    .container {
        padding: 1.5rem 1rem;
    }

    header h1 {
        font-size: 2rem;
    }

    .menu-items {
        grid-template-columns: 1fr;
    }
}