:root {
    --primary-color: #92be2b; /* lime-500 */
    --primary-color-light: #aee459; /* lime-400 */
    --primary-color-lighter: #dffaad; /* lime-200 */
    --text-color: #212529;
    --text-color-dark: #1a1a1a;
    --text-color-light: #2d3748;
    --text-color-lighter: #718096;
    --background-color: #ffffff;
    --danger-color: #d8362b;
    --gradient-color-1: rgba(217, 249, 157, 0.4);
    --gradient-color-2: rgba(163, 230, 53, 0.3);
    --gradient-color-3: rgba(132, 204, 22, 0.25);
    --shadow-dark: rgba(0, 0, 0, 0.2);
    --shadow-light: rgba(0, 0, 0, 0.1);
    --shadow-lighter: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.15);
    --shadow-inset-light: rgba(255, 255, 255, 0.2);
    --shadow-inset-lighter: rgba(255, 255, 255, 0.15);
    --glass-white-1: rgba(255, 255, 255, 0.1);
    --glass-white-2: rgba(255, 255, 255, 0.15);
    --glass-white-3: rgba(255, 255, 255, 0.2);
    --glass-white-4: rgba(255, 255, 255, 0.25);
    --glass-white-5: rgba(255, 255, 255, 0.3);
    --glass-white-6: rgba(255, 255, 255, 0.4);
    --glass-white-7: rgba(255, 255, 255, 0.5);
    --glass-white-8: rgba(255, 255, 255, 0.6);
    --glass-white-9: rgba(255, 255, 255, 0.8);
    --glass-white-10: rgba(255, 255, 255, 0.9);
    --glass-white-11: rgba(255, 255, 255, 0.95);
    --glass-white-12: rgba(255, 255, 255, 1);
    --glass-border-light: rgba(255, 255, 255, 0.18);
    --shadow-card: rgba(31, 38, 135, 0.15);
    --shadow-card-hover: rgba(31, 38, 135, 0.2);
    --divider-color: rgba(5, 150, 105, 0.15);
}

* {
    box-sizing: border-box;
}

html {
    overflow-y: scroll;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
    margin: 0;
    padding: 2rem 1rem;
    background: 
        radial-gradient(circle at 20% 80%, var(--gradient-color-1), transparent 50%),
        radial-gradient(circle at 80% 20%, var(--gradient-color-2), transparent 50%),
        radial-gradient(circle at 40% 40%, var(--gradient-color-3), transparent 50%),
        linear-gradient(135deg, var(--primary-color) 0%, var(--primary-color-light) 50%, var(--primary-color-lighter) 100%);
    background-size: cover;
    background-attachment: fixed;
    min-height: 100vh;
    color: var(--text-color);
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><rect fill="rgba(255,255,255,0.03)" width="1" height="1"/></svg>') repeat;
    pointer-events: none;
    z-index: 0;
}

.container {
    max-width: 800px;
    margin: 0 auto;
    position: relative;
    z-index: 1;
}

h1 {
    font-size: clamp(2rem, 6vw, 3rem);
    margin-bottom: 2rem;
    color: var(--background-color);
    text-align: center;
    font-weight: 700;
    text-shadow: 0 8px 32px var(--shadow-dark);
    letter-spacing: -0.5px;
    animation: fadeInDown 0.6s ease-out;
}

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

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

.week-tabs {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1.5rem;
    justify-content: center;
    animation: fadeInUp 0.6s ease-out 0.1s both;
}

.week-tab {
    padding: 0.875rem 2rem;
    background: var(--glass-white-1);
    border: 1px solid var(--shadow-inset-light);
    border-radius: 50px;
    color: var(--background-color);
    font-weight: 600;
    font-size: 1rem;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s ease,
                box-shadow 0.3s ease;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 
        0 8px 32px var(--shadow-light),
        inset 0 1px 0 var(--shadow-inset-light);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
    position: relative;
    overflow: hidden;
}

.week-tab::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--shadow-inset-light), transparent);
    transition: left 0.5s;
}

.week-tab:hover::before {
    left: 100%;
}

.week-tab:hover {
    background: var(--glass-white-2);
    transform: translateY(-3px);
    box-shadow: 
        0 12px 40px var(--shadow-medium),
        inset 0 1px 0 rgba(255, 255, 255, 0.3);
}

.week-tab.active {
    background: var(--glass-white-11);
    color: var(--primary-color);
    box-shadow: 
        0 12px 40px var(--shadow-dark),
        inset 0 1px 0 var(--glass-white-12);
    transform: translateY(-2px);
}

.week-tab.active::before {
    display: none;
}

.tabs {
    display: flex;
    gap: 0.625rem;
    margin-bottom: 2rem;
    overflow-x: auto;
    overflow-y: visible;
    padding: 0.5rem 1rem 1.5rem 1rem;
    -webkit-overflow-scrolling: touch;
    scrollbar-width: none;
    animation: fadeInUp 0.6s ease-out 0.2s both;
}

.tabs::-webkit-scrollbar {
    display: none;
}

@media (min-width: 768px) {
    .tabs {
        justify-content: center;
        overflow-x: visible;
    }
}

.tab {
    padding: 0.875rem 1.5rem;
    background: var(--glass-white-1);
    border: 1px solid var(--glass-border-light);
    border-radius: 30px;
    color: rgba(255, 255, 255, 0.95);
    font-weight: 500;
    font-size: 0.95rem;
    cursor: pointer;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), 
                background 0.3s ease, 
                box-shadow 0.3s ease;
    white-space: nowrap;
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    box-shadow: 
        0 4px 20px var(--shadow-lighter),
        inset 0 1px 0 var(--shadow-inset-lighter);
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
}

.tab:hover {
    background: var(--glass-white-2);
    transform: translateY(-2px) scale(1.03);
    box-shadow: 
        0 8px 24px rgba(0, 0, 0, 0.12),
        inset 0 1px 0 var(--glass-white-4);
}

.tab.active {
    background: var(--glass-white-10);
    color: var(--primary-color);
    box-shadow: 
        0 8px 28px var(--shadow-medium),
        inset 0 1px 0 var(--glass-white-12);
    transform: translateY(-2px);
}

#menu-content {
    animation: fadeInUp 0.6s ease-out 0.3s both;
}

.menu-item {
    background: var(--glass-white-9);
    backdrop-filter: blur(16px) saturate(150%);
    -webkit-backdrop-filter: blur(16px) saturate(150%);
    border: 1px solid var(--glass-white-5);
    border-radius: 24px;
    margin-bottom: 1.25rem;
    box-shadow: 
        0 8px 32px var(--shadow-card),
        inset 0 1px 0 var(--glass-white-7);
    overflow: hidden;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s ease,
                box-shadow 0.3s ease,
                border-color 0.3s ease;
    cursor: pointer;
    -webkit-tap-highlight-color: transparent;
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    -moz-user-select: none;
    -ms-user-select: none;
    user-select: none;
    position: relative;
}

.menu-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, var(--glass-white-5), transparent);
    transition: left 0.6s ease;
    pointer-events: none;
    z-index: 0;
}

.menu-item > * {
    position: relative;
    z-index: 1;
}

.menu-item:hover::before {
    left: 100%;
}

.menu-item:hover {
    background: var(--glass-white-10);
    box-shadow: 
        0 16px 48px var(--shadow-card-hover),
        inset 0 1px 0 rgba(255, 255, 255, 0.6);
    transform: translateY(-4px);
    border-color: var(--glass-white-6);
}

.menu-item:active {
    transform: translateY(-2px);
}

.menu-header {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: var(--glass-white-4);
}

.menu-header-content {
    flex: 1;
}

.menu-item .category {
    font-size: 0.8rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.5rem;
}

.menu-item .dish-name {
    font-size: 1.15rem;
    font-weight: 600;
    color: var(--text-color-dark);
    margin: 0;
    line-height: 1.5;
}

.expand-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--glass-white-8);
    border: 1px solid var(--glass-white-5);
    border-radius: 50%;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1),
                background 0.3s ease,
                box-shadow 0.3s ease;
    flex-shrink: 0;
    margin-left: 1rem;
    box-shadow: 0 4px 12px var(--shadow-lighter);
}

.expand-icon svg {
    width: 16px;
    height: 16px;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    stroke: var(--danger-color);
    stroke-width: 2.5;
}

.menu-item.expanded .expand-icon {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-light));
    border-color: transparent;
    box-shadow: 0 6px 20px rgba(5, 150, 105, 0.4);
}

.menu-item.expanded .expand-icon svg {
    transform: rotate(180deg);
}

.menu-item.expanded .expand-icon svg path {
    stroke: var(--background-color);
}

.menu-details {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-details-content {
    padding: 1.5rem;
    background: var(--glass-white-6);
    border-top: 1px solid var(--glass-white-5);
}

.details-section {
    margin-top: 1rem;
    background: var(--glass-white-7);
    border-radius: 16px;
    padding: 1rem;
    border: 1px solid var(--glass-white-5);
}

.details-section:first-child {
    margin-top: 0;
}

.details-title {
    font-size: 0.75rem;
    font-weight: 700;
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 0.75rem;
}

.detail-item {
    display: flex;
    align-items: flex-start;
    padding: 0.625rem 0;
    border-bottom: 1px solid var(--divider-color);
}

.detail-item:last-child {
    border-bottom: none;
}

.detail-code {
    font-weight: 700;
    color: var(--danger-color);
    min-width: 45px;
    font-size: 0.9rem;
}

.detail-name {
    color: var(--text-color-light);
    font-size: 0.9rem;
    line-height: 1.5;
    font-weight: 500;
}

.no-info {
    color: var(--text-color-lighter);
    font-style: italic;
    font-size: 0.9rem;
    opacity: 0.8;
}

@media (max-width: 640px) {
    body {
        padding: 1rem 0.75rem;
    }
    
    h1 {
        font-size: 1.75rem;
        margin-bottom: 1.5rem;
    }
    
    .week-tab {
        padding: 0.75rem 1.5rem;
        font-size: 0.9rem;
    }
    
    .tab {
        padding: 0.75rem 1.25rem;
    }
    
    .menu-header {
        padding: 1.25rem;
    }
    
    .menu-item .dish-name {
        font-size: 1rem;
    }
    
    .expand-icon {
        width: 28px;
        height: 28px;
    }
}