/**
 * Bar EPOS System - Styles
 * Design System: shadcn/ui inspired
 */

:root {
    /* HSL Color Variables - shadcn/ui style */
    --background: 0 0% 100%;
    --foreground: 222.2 84% 4.9%;
    
    --card: 0 0% 100%;
    --card-foreground: 222.2 84% 4.9%;
    
    --popover: 0 0% 100%;
    --popover-foreground: 222.2 84% 4.9%;
    
    --primary: 221.2 83.2% 53.3%;
    --primary-foreground: 210 40% 98%;
    
    --secondary: 210 40% 96.1%;
    --secondary-foreground: 222.2 47.4% 11.2%;
    
    --muted: 210 40% 96.1%;
    --muted-foreground: 215.4 16.3% 46.9%;
    
    --accent: 210 40% 96.1%;
    --accent-foreground: 222.2 47.4% 11.2%;
    
    --destructive: 0 84.2% 60.2%;
    --destructive-foreground: 210 40% 98%;
    
    --success: 142.1 76.2% 36.3%;
    --success-foreground: 210 40% 98%;
    
    --warning: 38 92% 50%;
    --warning-foreground: 222.2 47.4% 11.2%;
    
    --border: 214.3 31.8% 91.4%;
    --input: 214.3 31.8% 91.4%;
    --ring: 221.2 83.2% 53.3%;
    
    --radius: 0.5rem;
    --spacing: 8px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background: hsl(var(--background));
    color: hsl(var(--foreground));
    line-height: 1.5;
}

/* Login Screen */
.login-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, hsl(var(--primary)) 0%, hsl(210 100% 40%) 100%);
}

.login-card {
    background: hsl(var(--card));
    border-radius: calc(var(--radius) * 2);
    padding: calc(var(--spacing) * 6);
    box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);
    width: 100%;
    max-width: 400px;
}

.login-header {
    text-align: center;
    margin-bottom: calc(var(--spacing) * 4);
}

.login-header h1 {
    font-size: 2rem;
    margin-bottom: var(--spacing);
    color: hsl(var(--foreground));
}

.login-header p {
    color: hsl(var(--muted-foreground));
}

.login-form {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 3);
}

/* Navbar */
.navbar {
    background: hsl(var(--card));
    border-bottom: 1px solid hsl(var(--border));
    padding: 0 calc(var(--spacing) * 3);
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 3);
    height: 64px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.navbar-brand h1 {
    font-size: 1.25rem;
    font-weight: 600;
}

.navbar-menu {
    display: flex;
    gap: var(--spacing);
    flex: 1;
}

.nav-item {
    background: transparent;
    border: none;
    padding: var(--spacing) calc(var(--spacing) * 2);
    border-radius: var(--radius);
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: var(--spacing);
    color: hsl(var(--muted-foreground));
    transition: all 0.2s;
    font-size: 0.875rem;
}

.nav-item:hover {
    background: hsl(var(--accent));
    color: hsl(var(--accent-foreground));
}

.nav-item.active {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}

.navbar-user {
    display: flex;
    align-items: center;
    gap: calc(var(--spacing) * 2);
}

.user-info {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
}

.user-role {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
    text-transform: uppercase;
}

/* Views */
.view {
    display: none;
}

.view.active {
    display: block;
}

.view-header {
    padding: calc(var(--spacing) * 3);
    border-bottom: 1px solid hsl(var(--border));
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: hsl(var(--card));
}

.view-header h2 {
    font-size: 1.5rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    gap: var(--spacing);
}

.content-container {
    padding: calc(var(--spacing) * 3);
}

/* POS Layout */
.pos-container {
    display: grid;
    grid-template-columns: 1fr 400px;
    gap: calc(var(--spacing) * 3);
    padding: calc(var(--spacing) * 3);
    height: calc(100vh - 64px);
}

.pos-left {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
    overflow: hidden;
}

.pos-right {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: calc(var(--radius) * 2);
    padding: calc(var(--spacing) * 3);
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

/* Categories */
.categories-bar {
    display: flex;
    gap: var(--spacing);
    overflow-x: auto;
    padding-bottom: var(--spacing);
}

.category-btn {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    padding: var(--spacing) calc(var(--spacing) * 2);
    border-radius: var(--radius);
    cursor: pointer;
    white-space: nowrap;
    transition: all 0.2s;
    font-size: 0.875rem;
}

.category-btn:hover {
    border-color: hsl(var(--primary));
}

.category-btn.active {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}

/* Products Grid */
.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: calc(var(--spacing) * 2);
    overflow-y: auto;
    flex: 1;
}

/* Compact grid when images are disabled */
.products-grid.no-images {
    grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
}

.products-grid.no-images .product-card {
    padding: calc(var(--spacing) * 1.5);
}

.product-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2);
    cursor: pointer;
    transition: all 0.2s;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.product-card:hover {
    border-color: hsl(var(--primary));
    box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1);
    transform: translateY(-2px);
}

.product-image {
    width: 100%;
    height: 80px;
    object-fit: cover;
    border-radius: calc(var(--radius) * 0.5);
    background: hsl(var(--muted));
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
}

.product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    border-radius: calc(var(--radius) * 0.5);
}

.product-name {
    font-weight: 500;
    font-size: 0.875rem;
    overflow-wrap: break-word;
    word-wrap: break-word;
    hyphens: auto;
    line-height: 1.3;
}

.product-price {
    font-weight: 600;
    color: hsl(var(--primary));
}

.product-stock {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

/* Cart */
.cart-header {
    display: flex;
    flex-direction: column;
    padding-bottom: calc(var(--spacing) * 2);
    border-bottom: 1px solid hsl(var(--border));
}

.cart-actions {
    display: flex;
    gap: var(--spacing);
}

.customer-section {
    padding-bottom: calc(var(--spacing) * 2);
    border-bottom: 1px solid hsl(var(--border));
}

.customer-info {
    display: flex;
    align-items: center;
    gap: var(--spacing);
    padding: var(--spacing);
    background: hsl(var(--muted));
    border-radius: var(--radius);
}

.cart-items {
    flex: 1;
    overflow-y: auto;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.cart-item {
    background: hsl(var(--muted));
    border-radius: var(--radius);
    padding: var(--spacing);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.cart-item-info {
    flex: 1;
}

.cart-item-name {
    font-weight: 500;
    font-size: 0.875rem;
}

.cart-item-price {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

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

.qty-btn {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    width: 28px;
    height: 28px;
    border-radius: calc(var(--radius) * 0.5);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.2s;
}

.qty-btn:hover {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-color: hsl(var(--primary));
}

.cart-item-total {
    font-weight: 600;
    min-width: 60px;
    text-align: right;
}

.cart-summary {
    padding: calc(var(--spacing) * 2);
    background: hsl(var(--muted));
    border-radius: var(--radius);
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.summary-row {
    display: flex;
    justify-content: space-between;
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

.summary-row.total {
    font-size: 1.25rem;
    font-weight: 600;
    color: hsl(var(--foreground));
    padding-top: var(--spacing);
    border-top: 2px solid hsl(var(--border));
}

.payment-buttons {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: var(--spacing);
}

/* Buttons */
.btn {
    padding: calc(var(--spacing) * 1.5) calc(var(--spacing) * 3);
    border: none;
    border-radius: var(--radius);
    cursor: pointer;
    font-size: 0.875rem;
    font-weight: 500;
    transition: all 0.2s;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing);
}

.btn:hover {
    opacity: 0.9;
    transform: translateY(-1px);
}

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

.btn-primary {
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
}

.btn-secondary {
    background: hsl(var(--secondary));
    color: hsl(var(--secondary-foreground));
}

.btn-success {
    background: hsl(var(--success));
    color: hsl(var(--success-foreground));
}

.btn-danger {
    background: hsl(var(--destructive));
    color: hsl(var(--destructive-foreground));
}

.btn-info {
    background: hsl(38 92% 50%);
    color: white;
}

.btn-sm {
    padding: calc(var(--spacing) * 0.5) var(--spacing);
    font-size: 0.75rem;
}

.btn-lg {
    padding: calc(var(--spacing) * 2) calc(var(--spacing) * 4);
    font-size: 1rem;
}

.btn-icon {
    background: transparent;
    border: none;
    cursor: pointer;
    padding: calc(var(--spacing) * 0.5);
    border-radius: var(--radius);
    transition: all 0.2s;
    font-size: 1.25rem;
    color: hsl(var(--muted-foreground));
}

.btn-icon:hover {
    background: hsl(var(--muted));
    color: hsl(var(--destructive));
}

/* Form Elements */
.form-group {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 0.5);
}

.form-group label {
    font-size: 0.875rem;
    font-weight: 500;
}

.input {
    padding: calc(var(--spacing) * 1.5);
    border: 1px solid hsl(var(--input));
    border-radius: var(--radius);
    background: hsl(var(--background));
    font-size: 0.875rem;
    transition: all 0.2s;
}

.input:focus {
    outline: none;
    border-color: hsl(var(--ring));
    box-shadow: 0 0 0 3px hsl(var(--ring) / 0.1);
}

.search-bar {
    position: relative;
}

.search-bar input {
    width: 100%;
}

/* Tables */
.table-container {
    overflow-x: auto;
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
}

.data-table {
    width: 100%;
    border-collapse: collapse;
    background: hsl(var(--card));
}

.data-table thead {
    background: hsl(var(--muted));
    border-bottom: 1px solid hsl(var(--border));
}

.data-table th {
    padding: calc(var(--spacing) * 2);
    text-align: left;
    font-weight: 600;
    font-size: 0.875rem;
}

.data-table td {
    padding: calc(var(--spacing) * 2);
    border-bottom: 1px solid hsl(var(--border));
    font-size: 0.875rem;
}

.data-table tr:last-child td {
    border-bottom: none;
}

.data-table tbody tr:hover {
    background: hsl(var(--muted) / 0.3);
}

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: calc(var(--spacing) * 3);
    margin-bottom: calc(var(--spacing) * 3);
}

.stat-card {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 3);
    display: flex;
    gap: calc(var(--spacing) * 2);
    align-items: center;
}

.stat-icon {
    font-size: 2.5rem;
    width: 60px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: hsl(var(--primary) / 0.1);
    border-radius: var(--radius);
}

.stat-info {
    display: flex;
    flex-direction: column;
}

.stat-label {
    font-size: 0.875rem;
    color: hsl(var(--muted-foreground));
}

.stat-value {
    font-size: 1.75rem;
    font-weight: 600;
}

/* Tables Grid (for table management) */
.tables-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: calc(var(--spacing) * 3);
}

.table-card {
    background: hsl(var(--card));
    border: 2px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 3);
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
}

.table-card:hover {
    border-color: hsl(var(--primary));
    transform: translateY(-2px);
}

.table-card.occupied {
    background: hsl(var(--destructive) / 0.1);
    border-color: hsl(var(--destructive));
}

.table-card.reserved {
    background: hsl(var(--warning) / 0.1);
    border-color: hsl(var(--warning));
}

.table-number {
    font-size: 2rem;
    font-weight: 600;
    margin-bottom: var(--spacing);
}

.table-status {
    font-size: 0.875rem;
    color: hsl(var(--muted-foreground));
}

/* Kitchen Orders */
.kitchen-orders {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: calc(var(--spacing) * 3);
}

.kitchen-order {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 3);
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.kitchen-order.urgent {
    border-color: hsl(var(--destructive));
    border-width: 2px;
}

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

.order-time {
    font-size: 0.75rem;
    color: hsl(var(--muted-foreground));
}

.order-items {
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.order-item {
    display: flex;
    justify-content: space-between;
}

/* Settings */
.settings-container {
    max-width: 800px;
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 4);
}

.settings-section {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 3);
}

.settings-section h3 {
    margin-bottom: calc(var(--spacing) * 2);
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
    animation: fadeIn 0.2s;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

.modal {
    background: hsl(var(--card));
    border-radius: calc(var(--radius) * 2);
    padding: calc(var(--spacing) * 4);
    max-width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    animation: slideUp 0.3s;
}

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

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: calc(var(--spacing) * 3);
}

.modal-header h2 {
    font-size: 1.5rem;
}

.modal-close {
    background: transparent;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: hsl(var(--muted-foreground));
}

.modal-body {
    display: flex;
    flex-direction: column;
    gap: calc(var(--spacing) * 2);
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing);
    margin-top: calc(var(--spacing) * 3);
    padding-top: calc(var(--spacing) * 3);
    border-top: 1px solid hsl(var(--border));
}

/* Toast Notifications */
.toast-container {
    position: fixed;
    top: calc(var(--spacing) * 3);
    right: calc(var(--spacing) * 3);
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: var(--spacing);
}

.toast {
    background: hsl(var(--card));
    border: 1px solid hsl(var(--border));
    border-radius: var(--radius);
    padding: calc(var(--spacing) * 2);
    min-width: 300px;
    box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1);
    animation: slideInRight 0.3s;
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

.toast.success {
    border-left: 4px solid hsl(var(--success));
}

.toast.error {
    border-left: 4px solid hsl(var(--destructive));
}

.toast.warning {
    border-left: 4px solid hsl(var(--warning));
}

.toast.info {
    border-left: 4px solid hsl(var(--primary));
}

/* Badge */
.badge {
    display: inline-flex;
    align-items: center;
    padding: calc(var(--spacing) * 0.25) calc(var(--spacing) * 0.75);
    background: hsl(var(--primary));
    color: hsl(var(--primary-foreground));
    border-radius: calc(var(--radius) * 2);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Error Message */
.error-message {
    background: hsl(var(--destructive) / 0.1);
    color: hsl(var(--destructive));
    padding: var(--spacing);
    border-radius: var(--radius);
    font-size: 0.875rem;
}

/* Loading Spinner */
.spinner {
    border: 3px solid hsl(var(--muted));
    border-top: 3px solid hsl(var(--primary));
    border-radius: 50%;
    width: 40px;
    height: 40px;
    animation: spin 1s linear infinite;
    margin: calc(var(--spacing) * 4) auto;
}

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

/* Responsive */
@media (max-width: 1024px) {
    .pos-container {
        grid-template-columns: 1fr;
    }
    
    .pos-right {
        position: fixed;
        bottom: 0;
        left: 0;
        right: 0;
        max-height: 50vh;
        border-radius: calc(var(--radius) * 2) calc(var(--radius) * 2) 0 0;
    }
}

@media (max-width: 768px) {
    .navbar-menu {
        overflow-x: auto;
    }
    
    .nav-item span {
        display: none;
    }
    
    .nav-item {
        padding: var(--spacing);
    }
    
    .products-grid {
        grid-template-columns: repeat(auto-fill, minmax(100px, 1fr));
    }
}

/* Print Styles */
@media print {
    body * {
        visibility: hidden;
    }
    
    #receipt-print, #receipt-print * {
        visibility: visible;
    }
    
    #receipt-print {
        position: absolute;
        left: 0;
        top: 0;
    }
}