/* ===================================
   Smart Restaurant - Main Stylesheet
   Purple/Blue Gradient Theme
   =================================== */

/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette from Image */
    --primary-gradient: linear-gradient(135deg, #6366f1 0%, #8b5cf6 100%);
    --primary-color: #6366f1;
    --primary-dark: #4f46e5;
    --secondary-color: #8b5cf6;
    --accent-color: #a78bfa;
    
    /* Neutral Colors */
    --bg-light: #f8fafc;
    --bg-white: #ffffff;
    --text-dark: #1e293b;
    --text-gray: #64748b;
    --text-light: #94a3b8;
    --border-color: #e2e8f0;
    
    /* Status Colors */
    --success-color: #10b981;
    --warning-color: #f59e0b;
    --error-color: #ef4444;
    
    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    
    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    
    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    color: var(--text-dark);
    background-color: var(--bg-light);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

.site-header {
    background: white;
    border-bottom: 1px solid var(--border-color);
    padding: var(--spacing-md) 0;
    position: relative;
    z-index: 1000;
}

.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-lg);
}

.brand-logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.brand-logo img {
    height: 52px;
    width: auto;
}

.brand-copy {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.brand-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--text-dark);
}

.brand-tagline {
    font-size: 0.875rem;
    color: var(--text-gray);
}

/* Header Navigation */
.header-nav {
    display: flex;
    gap: 12px;
    align-items: center;
    position: relative;
    z-index: 10;
}

.nav-btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: 2px solid transparent;
    border-radius: 10px;
    font-weight: 700;
    font-size: 15px;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    background: transparent;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    position: relative;
    z-index: 10;
    pointer-events: auto;
}

.nav-btn i {
    font-size: 16px;
}

.nav-btn-contact {
    color: #4a5568;
    border-color: #cbd5e0;
    background: white;
}

.nav-btn-contact:hover {
    background: #f7fafc;
    border-color: #a0aec0;
    color: #2d3748;
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(0,0,0,0.1);
}

.nav-btn-signup {
    color: #667eea;
    border-color: #667eea;
    background: white;
}

.nav-btn-signup:hover {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.nav-btn-signin {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-color: #667eea;
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.3);
}

.nav-btn-signin:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(102, 126, 234, 0.5);
}

.nav-btn:active {
    transform: translateY(0);
}

.nav-btn:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.3);
}

/* ===================================
   HOME PAGE STYLES
   =================================== */

.hero-section {
    min-height: 100vh;
    background: var(--primary-gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-2xl) var(--spacing-lg);
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    width: 500px;
    height: 500px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 50%;
    top: -200px;
    right: -200px;
}

.hero-content {
    flex: 1;
    max-width: 600px;
    color: white;
    z-index: 1;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-title .highlight {
    color: #a78bfa;
}

.hero-description {
    font-size: 1.125rem;
    line-height: 1.8;
    opacity: 0.9;
    margin-bottom: var(--spacing-xl);
}

.hero-buttons {
    display: flex;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-2xl);
    flex-wrap: wrap;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: 0.875rem 1.75rem;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: var(--radius-lg);
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
}

.btn:focus {
    outline: 2px solid transparent;
}

.btn:active {
    transform: scale(0.98);
}

.btn-primary {
    background: white;
    color: var(--primary-color);
    box-shadow: var(--shadow-lg);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl);
}

.btn-primary:focus {
    transform: translateY(-2px);
    box-shadow: var(--shadow-xl), 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.btn-primary:active {
    transform: translateY(0);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 2px solid white;
}

.btn-secondary:hover {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
}

.btn-secondary:focus {
    background: rgba(255, 255, 255, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.3);
}

.btn-secondary:active {
    background: rgba(255, 255, 255, 0.4);
    transform: translateY(0);
}

.btn-lg {
    padding: 1.125rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.stats-container {
    display: flex;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.stat-icon {
    width: 50px;
    height: 50px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.stat-content {
    color: white;
}

.stat-number {
    font-size: 1.75rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.875rem;
    opacity: 0.8;
}

.trust-badges {
    display: flex;
    gap: var(--spacing-lg);
    flex-wrap: wrap;
}

.badge {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.15);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: 0.875rem;
    color: white;
}

.hero-image {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1;
}

.food-preview {
    width: 400px;
    height: 400px;
    background: white;
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-xl);
    box-shadow: var(--shadow-xl);
    position: relative;
    overflow: hidden;
}

.food-preview > i {
    font-size: 120px;
    color: var(--primary-color);
    animation: float 3s ease-in-out infinite;
}

.food-items {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
    position: absolute;
    width: 100%;
    height: 100%;
    padding: var(--spacing-xl);
}

.food-items i {
    font-size: 60px;
    opacity: 0.15;
    animation: rotate 20s linear infinite;
}

.food-items i:nth-child(1) {
    position: absolute;
    top: 20px;
    left: 20px;
    color: #f59e0b;
    animation-delay: 0s;
}

.food-items i:nth-child(2) {
    position: absolute;
    top: 20px;
    right: 20px;
    color: #ef4444;
    animation-delay: 5s;
}

.food-items i:nth-child(3) {
    position: absolute;
    bottom: 20px;
    left: 20px;
    color: #ec4899;
    animation-delay: 10s;
}

.food-items i:nth-child(4) {
    position: absolute;
    bottom: 20px;
    right: 20px;
    color: #8b5cf6;
    animation-delay: 15s;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0);
    }
    50% {
        transform: translateY(-20px);
    }
}

@keyframes rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(360deg);
    }
}

.qr-preview {
    width: 400px;
    height: 400px;
    background: white;
    border-radius: var(--radius-xl);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 200px;
    color: var(--primary-color);
    box-shadow: var(--shadow-xl);
}

/* Features Section */
.features-section {
    padding: var(--spacing-2xl) 0;
    background: var(--bg-white);
}

.section-title {
    text-align: center;
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: var(--spacing-2xl);
    color: var(--text-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-2xl);
}

.feature-card {
    background: var(--bg-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.75rem;
    margin-bottom: var(--spacing-md);
}

.feature-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.feature-card p {
    color: var(--text-gray);
    line-height: 1.6;
}

.cta-section {
    text-align: center;
    padding: var(--spacing-2xl);
    background: var(--primary-gradient);
    color: white;
    border-radius: var(--radius-xl);
    margin-top: var(--spacing-2xl);
}

.cta-section h2 {
    font-size: 2rem;
    margin-bottom: var(--spacing-md);
}

.cta-section p {
    font-size: 1.125rem;
    opacity: 0.9;
    margin-bottom: var(--spacing-lg);
}

/* Footer */
.footer {
    background: var(--text-dark);
    color: white;
    text-align: center;
    padding: var(--spacing-xl);
}

.footer p {
    margin: var(--spacing-sm) 0;
    opacity: 0.8;
}

/* ===================================
   MENU PAGE STYLES
   =================================== */

.menu-page {
    background: var(--bg-light);
}

.menu-header {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-lg);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--shadow-md);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
    font-weight: 700;
}
.logo img {
    height: 38px;
    width: auto;
    display: block;
}
.logo span {
    color: inherit;
}

.table-info {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    background: rgba(255, 255, 255, 0.2);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
}

/* Search Bar */
.search-container {
    background: white;
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 70px;
    z-index: 99;
}

.search-box {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    background: var(--bg-light);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border: 2px solid var(--border-color);
    transition: all 0.3s ease;
}

.search-box:focus-within {
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.search-box input {
    flex: 1;
    border: none;
    background: transparent;
    font-size: 1rem;
    outline: none;
}

.search-box i {
    color: var(--text-gray);
}

/* Menu Layout */
.menu-main {
    padding: var(--spacing-xl) 0;
}

.menu-layout {
    display: grid;
    grid-template-columns: 1fr 380px;
    gap: var(--spacing-xl);
    align-items: start;
}

/* Menu Content */
.menu-category {
    background: white;
    border-radius: var(--radius-lg);
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
    box-shadow: var(--shadow-sm);
}

.category-header {
    margin-bottom: var(--spacing-lg);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--primary-color);
}

.category-title {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: var(--spacing-xs);
}

.category-description {
    color: var(--text-gray);
    font-size: 0.9375rem;
}

.menu-items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--spacing-lg);
}

.menu-item {
    background: var(--bg-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    position: relative;
}

.menu-item:hover {
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.menu-item.unavailable {
    opacity: 0.6;
}

.special-badge {
    position: absolute;
    top: var(--spacing-md);
    right: var(--spacing-md);
    background: var(--warning-color);
    color: white;
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-md);
    font-size: 0.75rem;
    font-weight: 600;
    z-index: 1;
    display: flex;
    align-items: center;
    gap: 0.25rem;
}

.item-image {
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--bg-white);
}

.item-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.placeholder-image {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--text-light);
}

.item-details {
    padding: var(--spacing-md);
}

.item-name {
    font-size: 1.125rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
    color: var(--text-dark);
}

.item-description {
    font-size: 0.875rem;
    color: var(--text-gray);
    margin-bottom: var(--spacing-md);
    line-height: 1.5;
}

.dietary-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    margin-bottom: var(--spacing-md);
}

.dietary-tag {
    background: var(--accent-color);
    color: white;
    padding: 0.25rem var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.75rem;
    font-weight: 500;
}

.item-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.item-price {
    display: flex;
    align-items: baseline;
    gap: 0.25rem;
}

.currency {
    font-size: 0.875rem;
    color: var(--text-gray);
}

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

.item-meta {
    font-size: 0.75rem;
    color: var(--text-gray);
}

.btn-add-to-order,
.btn-unavailable {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-add-to-order {
    background: var(--primary-gradient);
    color: white;
}

.btn-add-to-order:hover {
    transform: scale(1.02);
    box-shadow: var(--shadow-md);
}

.btn-unavailable {
    background: var(--text-light);
    color: white;
    cursor: not-allowed;
}

/* Order Widget (Sticky Sidebar) */
.order-widget {
    position: sticky;
    top: 150px;
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    max-height: calc(100vh - 170px);
    display: flex;
    flex-direction: column;
    transition: all 0.3s ease;
}

.widget-header {
    background: var(--primary-gradient);
    color: white;
    padding: var(--spacing-md) var(--spacing-lg);
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
    user-select: none;
}

.widget-header:hover {
    opacity: 0.95;
}

.widget-header h3 {
    font-size: 1.125rem;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cart-badge-wrapper {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.cart-badge {
    background: rgba(255, 255, 255, 0.3);
    padding: 0.25rem 0.625rem;
    border-radius: var(--radius-md);
    font-weight: 700;
    min-width: 32px;
    text-align: center;
    font-size: 1rem;
}

.cart-toggle-icon {
    font-size: 0.875rem;
    transition: transform 0.3s ease;
    display: none;
}

.cart-expandable-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
}

.order-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
    min-height: 200px;
    max-height: calc(100vh - 450px);
    -webkit-overflow-scrolling: touch;
    scrollbar-width: thin;
    scrollbar-color: var(--primary-color) var(--bg-light);
}

.order-items::-webkit-scrollbar {
    width: 6px;
}

.order-items::-webkit-scrollbar-track {
    background: var(--bg-light);
    border-radius: var(--radius-sm);
}

.order-items::-webkit-scrollbar-thumb {
    background: var(--primary-color);
    border-radius: var(--radius-sm);
}

.order-items::-webkit-scrollbar-thumb:hover {
    background: #4f46e5;
}

.empty-cart {
    text-align: center;
    color: var(--text-gray);
    padding: var(--spacing-xl);
}

.empty-cart i {
    font-size: 3rem;
    margin-bottom: var(--spacing-md);
    opacity: 0.3;
}

.empty-cart .hint {
    font-size: 0.875rem;
    opacity: 0.7;
}

.cart-item {
    background: var(--bg-light);
    padding: var(--spacing-sm) var(--spacing-md);
    border-radius: var(--radius-md);
    margin-bottom: var(--spacing-sm);
    transition: background 0.2s ease;
}

.cart-item:hover {
    background: #f0f1f3;
}

.cart-item-header {
    display: flex;
    justify-content: space-between;
    align-items: start;
    margin-bottom: var(--spacing-sm);
}

.cart-item-name {
    font-weight: 600;
    font-size: 0.9375rem;
}

.cart-item-remove {
    background: none;
    border: none;
    color: var(--error-color);
    cursor: pointer;
    padding: 0;
    font-size: 1.125rem;
}

.cart-item-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.quantity-controls {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.qty-btn {
    width: 28px;
    height: 28px;
    border: none;
    background: var(--primary-color);
    color: white;
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-weight: 700;
}

.qty-value {
    width: 40px;
    text-align: center;
    font-weight: 600;
}

.cart-item-price {
    font-weight: 700;
    color: var(--primary-color);
}

.order-summary {
    padding: var(--spacing-md) var(--spacing-lg);
    border-top: 2px solid var(--border-color);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-sm);
    font-size: 0.9375rem;
}

.summary-row.total {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--primary-color);
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.order-actions {
    padding: var(--spacing-md) var(--spacing-lg);
    background: white;
    border-top: 2px solid var(--border-color);
    position: sticky;
    bottom: 0;
    z-index: 10;
}

.form-control {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.9375rem;
    margin-bottom: var(--spacing-md);
    resize: vertical;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* Floating Button */
.floating-btn {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--primary-gradient);
    color: white;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    box-shadow: var(--shadow-xl);
    z-index: 1000;
    transition: all 0.3s ease;
}

.floating-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 25px 35px -5px rgba(0, 0, 0, 0.2);
}

.floating-btn:active {
    transform: scale(0.95);
}

/* Modal */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    z-index: 10000;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-lg);
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: var(--radius-xl);
    max-width: 500px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    animation: modalSlideIn 0.3s ease;
}

@keyframes modalSlideIn {
    from {
        transform: translateY(-50px);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 2px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.modal-header h3 {
    font-size: 1.25rem;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
}

.modal-header.success {
    background: var(--success-color);
    color: white;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.modal-header.success i {
    font-size: 3rem;
}

.close-modal {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-gray);
    cursor: pointer;
    padding: 0;
}

.modal-body {
    padding: var(--spacing-lg);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

select.form-control {
    appearance: none;
    background-image: url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3e%3cpolyline points='6 9 12 15 18 9'%3e%3c/polyline%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right var(--spacing-sm) center;
    background-size: 1.5em;
    padding-right: 2.5rem;
}

.priority-options {
    display: flex;
    gap: var(--spacing-md);
}

.radio-label {
    flex: 1;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    transition: all 0.3s ease;
}

.radio-label:has(input:checked) {
    border-color: var(--primary-color);
    background: rgba(99, 102, 241, 0.1);
}

.radio-label input {
    margin: 0;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 2px solid var(--border-color);
    display: flex;
    gap: var(--spacing-md);
}

.text-center {
    text-align: center;
}

.order-number {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin: var(--spacing-md) 0;
}

.info-text {
    color: var(--text-gray);
    font-size: 0.9375rem;
    line-height: 1.6;
}

/* Loading Overlay */
.loading-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(255, 255, 255, 0.95);
    z-index: 99999;
    align-items: center;
    justify-content: center;
    flex-direction: column;
}

.loading-overlay.active {
    display: flex;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid var(--border-color);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.loading-overlay p {
    margin-top: var(--spacing-md);
    color: var(--text-gray);
    font-weight: 600;
}

/* Order History Section */
#orderHistory {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: white;
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
}

#orderHistory h3 {
    color: var(--text-dark);
    margin-bottom: var(--spacing-lg);
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-size: 1.25rem;
}

#orderHistory h3 i {
    color: var(--primary-color);
}

.order-history-item {
    background: var(--bg-light);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-md);
    transition: all 0.3s ease;
}

.order-history-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.order-history-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-sm);
}

.order-number {
    font-weight: 700;
    font-size: 1rem;
    color: var(--text-dark);
}

.order-status {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: 0.875rem;
    font-weight: 600;
    text-transform: capitalize;
}

.order-status-pending .order-status {
    background: #fef3c7;
    color: #92400e;
}

.order-status-confirmed .order-status,
.order-status-preparing .order-status {
    background: #dbeafe;
    color: #1e40af;
}

.order-status-ready .order-status,
.order-status-served .order-status {
    background: #dcfce7;
    color: #166534;
}

.order-status-completed .order-status {
    background: #d1fae5;
    color: #065f46;
}

.order-status-cancelled .order-status {
    background: #fee2e2;
    color: #991b1b;
}

.order-history-details {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: var(--spacing-sm);
    border-top: 1px solid var(--border-color);
}

.order-info {
    display: flex;
    gap: var(--spacing-md);
    font-size: 0.875rem;
    color: var(--text-gray);
}

.order-info span {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.order-time {
    font-size: 0.8125rem;
    color: var(--text-muted);
    font-style: italic;
}

.order-cancel-section {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px dashed var(--border-color);
}

.btn-cancel-order {
    width: 100%;
    padding: var(--spacing-sm) var(--spacing-md);
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    color: white;
    border: none;
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.875rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
}

.btn-cancel-order:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 8px rgba(239, 68, 68, 0.3);
}

.btn-cancel-order:active {
    transform: translateY(0);
}

.btn-cancel-order.disabled,
.btn-cancel-order:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    background: var(--text-muted);
}

.btn-cancel-order.disabled:hover,
.btn-cancel-order:disabled:hover {
    transform: none;
    box-shadow: none;
}

/* Responsive Design */
@media (max-width: 1200px) {
    .container {
        padding: 0 var(--spacing-md);
    }
    
    .menu-items-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 1024px) {
    .menu-layout {
        grid-template-columns: 1fr;
    }
    
    .order-widget {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        top: auto;
        max-height: 60vh;
        border-radius: var(--radius-xl) var(--radius-xl) 0 0;
        z-index: 1000;
        box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
        overflow-y: auto;
    }
    
    /* Make order widget scrollable and ensure buttons are visible */
    .order-widget .order-actions {
        position: sticky;
        bottom: 0;
        background: white;
        padding: 15px;
        border-top: 1px solid #e5e7eb;
        z-index: 10;
    }
    
    .order-widget .widget-header {
        position: sticky;
        top: 0;
        background: white;
        z-index: 10;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .hero-title {
        font-size: 2.75rem;
    }
    
    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --spacing-xl: 1.5rem;
        --spacing-2xl: 2rem;
    }
    
    .site-header .container {
        flex-wrap: wrap;
        gap: var(--spacing-sm);
    }
    
    .brand-logo {
        flex: 1;
        min-width: 200px;
    }
    
    .brand-logo img {
        height: 40px;
    }
    
    .brand-title {
        font-size: 1rem;
    }
    
    .brand-tagline {
        font-size: 0.75rem;
    }
    
    .header-nav {
        width: 100%;
        justify-content: center;
        flex-wrap: wrap;
        gap: 8px;
    }
    
    .nav-btn {
        flex: 1;
        min-width: 100px;
        justify-content: center;
        padding: 8px 12px;
        font-size: 14px;
    }
    
    .nav-btn span {
        display: none;
    }
    
    .nav-btn i {
        font-size: 18px;
        margin: 0;
    }
    
    /* Mobile: Collapsible cart widget */
    .order-widget {
        position: fixed;
        bottom: 0;
        right: 0;
        left: 0;
        top: auto;
        max-height: 70vh;
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        z-index: 999;
        transition: max-height 0.3s ease;
    }
    
    .order-widget.collapsed {
        max-height: 60px;
    }
    
    .cart-toggle-icon {
        display: block !important;
    }
    
    .order-widget.collapsed .cart-toggle-icon {
        transform: rotate(-90deg);
    }
    
    .cart-expandable-content {
        transition: max-height 0.3s ease, opacity 0.3s ease;
        overflow: hidden;
    }
    
    .order-widget.collapsed .cart-expandable-content {
        max-height: 0 !important;
        opacity: 0;
    }
    
    .order-items {
        max-height: calc(70vh - 200px);
        overflow-y: auto;
        -webkit-overflow-scrolling: touch;
    }
    
    .order-actions {
        position: sticky;
        bottom: 0;
        background: white;
        padding: var(--spacing-md);
        border-top: 2px solid #e5e7eb;
        box-shadow: 0 -4px 12px rgba(0,0,0,0.1);
        z-index: 10;
    }
    
    .order-actions textarea {
        margin-bottom: var(--spacing-sm);
        font-size: 14px;
    }
    
    .order-actions button {
        font-size: 16px;
        padding: 14px;
        font-weight: 600;
        touch-action: manipulation;
        min-height: 48px;
    }
    
    .cart-item {
        padding: var(--spacing-sm);
    }
    
    .cart-badge {
        font-size: 1.125rem;
        padding: 0.25rem 0.75rem;
        min-width: 40px;
    }
        padding-top: var(--spacing-sm);
        border-top: 1px solid var(--border-color);
    }
    
    .header-link {
        font-size: 0.875rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .hero-section {
        flex-direction: column;
        text-align: center;
        min-height: auto;
        padding: var(--spacing-xl) var(--spacing-md);
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .hero-description {
        font-size: 1rem;
    }
    
    .hero-image {
        margin-top: var(--spacing-xl);
    }
    
    .food-preview,
    .qr-preview {
        width: 280px;
        height: 280px;
    }
    
    .food-preview > i {
        font-size: 80px;
    }
    
    .food-items i {
        font-size: 40px;
    }
    
    .stats-container {
        justify-content: center;
        gap: var(--spacing-md);
    }
    
    .stat-item {
        flex-direction: column;
        text-align: center;
        min-width: 120px;
    }
    
    .stat-number {
        font-size: 1.5rem;
    }
    
    .hero-buttons {
        flex-direction: column;
        width: 100%;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .trust-badges {
        justify-content: center;
        gap: var(--spacing-sm);
    }
    
    .badge {
        font-size: 0.75rem;
        padding: var(--spacing-xs) var(--spacing-sm);
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }
    
    .feature-card {
        padding: var(--spacing-lg);
    }
    
    .cta-section {
        padding: var(--spacing-lg);
    }
    
    .cta-section h2 {
        font-size: 1.5rem;
    }
    
    .cta-section p {
        font-size: 1rem;
    }
    
    .menu-header {
        padding: var(--spacing-sm);
    }
    
    .header-content {
        flex-direction: column;
        gap: var(--spacing-sm);
        align-items: flex-start;
    }
    
    .logo {
        font-size: 1rem;
    }
    
    .logo img {
        height: 32px;
    }
    
    .table-info {
        width: 100%;
        justify-content: center;
    }
    
    .search-container {
        padding: var(--spacing-sm);
        top: auto;
        position: relative;
    }
    
    .search-box {
        padding: var(--spacing-sm) var(--spacing-md);
    }
    
    .menu-main {
        padding: var(--spacing-md) 0;
    }
    
    .menu-category {
        padding: var(--spacing-md);
        margin-bottom: var(--spacing-md);
    }
    
    .category-title {
        font-size: 1.5rem;
    }
    
    .menu-items-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-md);
    }
    
    .item-image {
        height: 180px;
    }
    
    .floating-btn {
        width: 50px;
        height: 50px;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        font-size: 1.25rem;
    }
    
    .modal {
        padding: var(--spacing-sm);
    }
    
    .modal-content {
        max-width: 100%;
    }
    
    .modal-header,
    .modal-body,
    .modal-footer {
        padding: var(--spacing-md);
    }
    
    .modal-footer {
        flex-direction: column;
    }
    
    .priority-options {
        flex-direction: column;
    }
}

@media (max-width: 480px) {
    :root {
        --spacing-md: 0.75rem;
        --spacing-lg: 1rem;
        --spacing-xl: 1.25rem;
        --spacing-2xl: 1.5rem;
    }
    
    .hero-title {
        font-size: 1.75rem;
    }
    
    .hero-description {
        font-size: 0.9375rem;
    }
    
    .food-preview,
    .qr-preview {
        width: 220px;
        height: 220px;
    }
    
    .food-preview > i {
        font-size: 60px;
    }
    
    .stats-container {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
    
    .stat-item {
        min-width: auto;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        font-size: 1.25rem;
    }
    
    .stat-number {
        font-size: 1.25rem;
    }
    
    .stat-label {
        font-size: 0.75rem;
    }
    
    .btn {
        padding: 0.75rem 1.25rem;
        font-size: 0.9375rem;
    }
    
    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
    }
    
    .section-title {
        font-size: 1.5rem;
    }
    
    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }
    
    .feature-card h3 {
        font-size: 1.125rem;
    }
    
    .cta-section h2 {
        font-size: 1.25rem;
    }
    
    .menu-category {
        padding: var(--spacing-sm);
    }
    
    .category-title {
        font-size: 1.25rem;
    }
    
    .item-name {
        font-size: 1rem;
    }
    
    .price {
        font-size: 1.25rem;
    }
    
    .cart-item {
        padding: var(--spacing-sm);
    }
    
    .order-summary,
    .order-actions {
        padding: var(--spacing-sm);
    }
}

/* Landscape Phone Optimization */
@media (max-width: 896px) and (orientation: landscape) {
    .hero-section {
        min-height: auto;
        padding: var(--spacing-lg) var(--spacing-md);
    }
    
    .food-preview,
    .qr-preview {
        width: 200px;
        height: 200px;
    }
    
    .modal-content {
        max-height: 80vh;
    }
}

/* Tablet Portrait */
@media (min-width: 768px) and (max-width: 1024px) {
    .container {
        max-width: 720px;
    }
    
    .menu-items-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Print Styles */
@media print {
    .site-header,
    .search-container,
    .order-widget,
    .floating-btn,
    .hero-section,
    .modal {
        display: none !important;
    }
    
    .menu-layout {
        grid-template-columns: 1fr;
    }
    
    .menu-category {
        page-break-inside: avoid;
    }
    
    .menu-item {
        page-break-inside: avoid;
    }
}

/* Empty State */
.empty-menu {
    text-align: center;
    padding: var(--spacing-2xl);
    color: var(--text-gray);
}

.empty-menu i {
    font-size: 4rem;
    opacity: 0.3;
    margin-bottom: var(--spacing-md);
}