/* ============================================
   POS Japanese Minimal Style
   Override Bootstrap 5 for Sushi Restaurant POS
   Japanese Minimal Design: Clean, Simple, Elegant
   ============================================ */

/* ============================================
   CSS Variables - Japanese Minimal Color Palette
   ============================================ */
:root {
    /* Japanese Minimal Color Scheme */
    --jpn-white: #ffffff;
    --jpn-gray-light: #f5f5f5;
    --jpn-gray: #e0e0e0;
    --jpn-gray-dark: #9e9e9e;
    --jpn-red: #C8102E;              /* Japanese Red - Primary accent */
    --jpn-red-dark: #A00D25;         /* Darker red for hover */
    --jpn-red-light: #E01A3A;        /* Lighter red for active */
    --jpn-carbon: #111111;           /* Carbon black - Text & borders */
    --jpn-carbon-light: #2a2a2a;     /* Lighter carbon */
    
    /* Semantic Colors */
    --jpn-primary: var(--jpn-red);
    --jpn-primary-dark: var(--jpn-red-dark);
    --jpn-success: #4caf50;          /* Subtle green */
    --jpn-danger: #d32f2f;           /* Darker red for danger - distinct from primary */
    --jpn-danger-dark: #b71c1c;     /* Darker red for hover */
    --jpn-warning: #ff9800;           /* Subtle orange */
    --jpn-info: #2196f3;              /* Subtle blue */
    
    /* Background Colors */
    --jpn-bg: var(--jpn-white);
    --jpn-bg-secondary: var(--jpn-gray-light);
    --jpn-bg-tertiary: var(--jpn-gray);
    
    /* Text Colors */
    --jpn-text: var(--jpn-carbon);
    --jpn-text-secondary: var(--jpn-gray-dark);
    --jpn-text-light: var(--jpn-white);
    
    /* Border Colors */
    --jpn-border: var(--jpn-gray);
    --jpn-border-dark: var(--jpn-carbon-light);
    
    /* Touch-First Spacing */
    --jpn-spacing-xs: 0.5rem;
    --jpn-spacing-sm: 0.75rem;
    --jpn-spacing-md: 1rem;
    --jpn-spacing-lg: 1.5rem;
    --jpn-spacing-xl: 2rem;
    --jpn-spacing-xxl: 3rem;
    
    /* Touch Target Sizes (≥44px for accessibility) */
    --jpn-touch-min: 44px;
    --jpn-touch-comfort: 48px;
    
    /* Typography */
    --jpn-font-family: 'Inter', 'Noto Sans JP', 'Yu Gothic', 'YuGothic', 'Hiragino Kaku Gothic ProN', 'Hiragino Sans', 'Meiryo', sans-serif;
    --jpn-font-size-base: 16px;
    --jpn-font-size-sm: 14px;
    --jpn-font-size-lg: 18px;
    --jpn-font-size-xl: 20px;
    --jpn-font-weight-light: 300;
    --jpn-font-weight-normal: 400;
    --jpn-font-weight-medium: 500;
    --jpn-font-weight-semibold: 600;
    
    /* Minimal Shadows (very subtle) */
    --jpn-shadow-sm: 0 1px 2px rgba(17, 17, 17, 0.05);
    --jpn-shadow: 0 2px 4px rgba(17, 17, 17, 0.08);
    --jpn-shadow-md: 0 4px 8px rgba(17, 17, 17, 0.1);
    
    /* Border Radius - Minimal */
    --jpn-radius-sm: 2px;
    --jpn-radius: 4px;
    --jpn-radius-md: 6px;
    --jpn-radius-lg: 8px;
    
    /* Transitions - Smooth but minimal */
    --jpn-transition: all 0.2s ease;
}

/* ============================================
   Base Typography - Japanese Minimal
   ============================================ */
body {
    font-family: var(--jpn-font-family);
    font-size: var(--jpn-font-size-base);
    font-weight: var(--jpn-font-weight-normal);
    color: var(--jpn-text);
    background-color: var(--jpn-bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--jpn-font-family);
    font-weight: var(--jpn-font-weight-medium);
    color: var(--jpn-text);
    line-height: 1.3;
    margin-bottom: var(--jpn-spacing-md);
}

h1 { font-size: 2rem; font-weight: var(--jpn-font-weight-semibold); }
h2 { font-size: 1.75rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.25rem; }
h5 { font-size: 1.1rem; }
h6 { font-size: 1rem; }

/* ============================================
   Buttons - Touch-First, Minimal Design
   ============================================ */
.btn {
    font-family: var(--jpn-font-family);
    font-weight: var(--jpn-font-weight-medium);
    font-size: var(--jpn-font-size-base);
    min-height: var(--jpn-touch-min);
    border-radius: var(--jpn-radius);
    border: 1px solid transparent;
    transition: var(--jpn-transition);
    box-shadow: none;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    justify-content: center;
}

.btn:focus {
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
    outline: none;
}

/* Primary Button - Japanese Red */
.btn-primary {
    background-color: var(--jpn-primary);
    border-color: var(--jpn-primary);
    color: var(--jpn-text-light);
}

.btn-primary:hover,
.btn-primary:focus {
    background-color: var(--jpn-primary-dark);
    border-color: var(--jpn-primary-dark);
    color: var(--jpn-text-light);
    box-shadow: var(--jpn-shadow-sm);
}

.btn-primary:active {
    background-color: var(--jpn-red-light);
    border-color: var(--jpn-red-light);
}

/* Secondary Button - Minimal Outline */
.btn-secondary {
    background-color: transparent;
    border-color: var(--jpn-border-dark);
    color: var(--jpn-text);
}

.btn-secondary:hover,
.btn-secondary:focus {
    background-color: var(--jpn-bg-secondary);
    border-color: var(--jpn-carbon);
    color: var(--jpn-text);
}

/* Success Button */
.btn-success {
    background-color: var(--jpn-success);
    border-color: var(--jpn-success);
    color: var(--jpn-text-light);
}

.btn-success:hover,
.btn-success:focus {
    background-color: #45a049;
    border-color: #45a049;
    color: var(--jpn-text-light);
    box-shadow: var(--jpn-shadow-sm);
}

/* Danger Button - Darker Red (distinct from primary) */
.btn-danger {
    background-color: var(--jpn-danger);
    border-color: var(--jpn-danger);
    color: var(--jpn-text-light);
}

.btn-danger:hover,
.btn-danger:focus {
    background-color: var(--jpn-danger-dark);
    border-color: var(--jpn-danger-dark);
    color: var(--jpn-text-light);
    box-shadow: var(--jpn-shadow-sm);
}

/* Warning Button */
.btn-warning {
    background-color: var(--jpn-warning);
    border-color: var(--jpn-warning);
    color: var(--jpn-text-light);
}

.btn-warning:hover,
.btn-warning:focus {
    background-color: #f57c00;
    border-color: #f57c00;
    color: var(--jpn-text-light);
    box-shadow: var(--jpn-shadow-sm);
}

/* Info Button */
.btn-info {
    background-color: var(--jpn-info);
    border-color: var(--jpn-info);
    color: var(--jpn-text-light);
}

.btn-info:hover,
.btn-info:focus {
    background-color: #1976d2;
    border-color: #1976d2;
    color: var(--jpn-text-light);
    box-shadow: var(--jpn-shadow-sm);
}

/* Outline Variants */
.btn-outline-primary {
    background-color: transparent;
    border-color: var(--jpn-primary);
    color: var(--jpn-primary);
}

.btn-outline-primary:hover,
.btn-outline-primary:focus {
    background-color: var(--jpn-primary);
    border-color: var(--jpn-primary);
    color: var(--jpn-text-light);
}

.btn-outline-secondary {
    background-color: transparent;
    border-color: var(--jpn-border-dark);
    color: var(--jpn-text);
}

.btn-outline-secondary:hover,
.btn-outline-secondary:focus {
    background-color: var(--jpn-bg-secondary);
    border-color: var(--jpn-carbon);
    color: var(--jpn-text);
}

/* Button Sizes - Touch-First */
.btn-sm {
    min-height: var(--jpn-touch-min);
    padding: var(--jpn-spacing-xs) var(--jpn-spacing-md);
    font-size: var(--jpn-font-size-sm);
}

.btn-lg {
    min-height: var(--jpn-touch-comfort);
    padding: var(--jpn-spacing-md) var(--jpn-spacing-xl);
    font-size: var(--jpn-font-size-lg);
}

/* Icon-only buttons */
.btn-icon {
    min-width: var(--jpn-touch-min);
    min-height: var(--jpn-touch-min);
    padding: 0;
    width: var(--jpn-touch-min);
    height: var(--jpn-touch-min);
}

/* ============================================
   Cards - Minimal Design
   ============================================ */
.card {
    background-color: var(--jpn-bg);
    border: 1px solid var(--jpn-border);
    border-radius: var(--jpn-radius-md);
    box-shadow: var(--jpn-shadow-sm);
    margin-bottom: var(--jpn-spacing-lg);
}

.card-header {
    background-color: var(--jpn-bg-secondary);
    border-bottom: 1px solid var(--jpn-border);
    padding: var(--jpn-spacing-md);
    font-weight: var(--jpn-font-weight-medium);
    color: var(--jpn-text);
}

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

.card-footer {
    background-color: var(--jpn-bg-secondary);
    border-top: 1px solid var(--jpn-border);
    padding: var(--jpn-spacing-md);
}

/* ============================================
   Forms - Clean & Minimal
   ============================================ */
.form-control,
.form-select {
    font-family: var(--jpn-font-family);
    font-size: var(--jpn-font-size-base);
    min-height: var(--jpn-touch-min);
    padding: var(--jpn-spacing-sm) var(--jpn-spacing-md);
    border: 1px solid var(--jpn-border);
    border-radius: var(--jpn-radius);
    background-color: var(--jpn-bg);
    color: var(--jpn-text);
    transition: var(--jpn-transition);
}

.form-control:focus,
.form-select:focus {
    border-color: var(--jpn-primary);
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
    outline: none;
}

.form-label {
    font-weight: var(--jpn-font-weight-medium);
    color: var(--jpn-text);
    margin-bottom: var(--jpn-spacing-xs);
}

.form-check-input {
    width: 20px;
    height: 20px;
    min-width: 20px;
    min-height: 20px;
    border: 1px solid var(--jpn-border-dark);
    border-radius: var(--jpn-radius-sm);
}

.form-check-input:checked {
    background-color: var(--jpn-primary);
    border-color: var(--jpn-primary);
}

.form-check-input:focus {
    box-shadow: 0 0 0 3px rgba(200, 16, 46, 0.1);
}

/* ============================================
   Tables - Minimal & Clean
   ============================================ */
.table {
    color: var(--jpn-text);
    border-color: var(--jpn-border);
}

.table thead th {
    background-color: var(--jpn-bg-secondary);
    border-bottom: 2px solid var(--jpn-border-dark);
    font-weight: var(--jpn-font-weight-medium);
    color: var(--jpn-text);
    padding: var(--jpn-spacing-md);
}

.table tbody td {
    padding: var(--jpn-spacing-md);
    border-bottom: 1px solid var(--jpn-border);
}

.table tbody tr:hover {
    background-color: var(--jpn-bg-secondary);
}

.table-striped tbody tr:nth-of-type(odd) {
    background-color: var(--jpn-bg-secondary);
}

/* ============================================
   Badges - Minimal Design
   ============================================ */
.badge {
    font-weight: var(--jpn-font-weight-medium);
    border-radius: var(--jpn-radius-sm);
}

.badge-primary,
.bg-primary {
    background-color: var(--jpn-primary);
    color: var(--jpn-text-light);
}

.badge-secondary,
.bg-secondary {
    background-color: var(--jpn-gray-dark);
    color: var(--jpn-text-light);
}

.badge-success,
.bg-success {
    background-color: var(--jpn-success);
    color: var(--jpn-text-light);
}

.badge-danger,
.bg-danger {
    background-color: var(--jpn-danger);
    color: var(--jpn-text-light);
}

.badge-warning,
.bg-warning {
    background-color: var(--jpn-warning);
    color: var(--jpn-text-light);
}

.badge-info,
.bg-info {
    background-color: var(--jpn-info);
    color: var(--jpn-text-light);
}

/* ============================================
   Alerts - Minimal Design
   ============================================ */
.alert {
    border: 1px solid;
    border-radius: var(--jpn-radius);
    padding: var(--jpn-spacing-md);
    margin-bottom: var(--jpn-spacing-md);
    box-shadow: none;
}

.alert-primary {
    background-color: rgba(200, 16, 46, 0.1);
    border-color: var(--jpn-primary);
    color: var(--jpn-primary);
}

.alert-success {
    background-color: rgba(76, 175, 80, 0.1);
    border-color: var(--jpn-success);
    color: var(--jpn-success);
}

.alert-danger {
    background-color: rgba(200, 16, 46, 0.1);
    border-color: var(--jpn-danger);
    color: var(--jpn-danger);
}

.alert-warning {
    background-color: rgba(255, 152, 0, 0.1);
    border-color: var(--jpn-warning);
    color: var(--jpn-warning);
}

.alert-info {
    background-color: rgba(33, 150, 243, 0.1);
    border-color: var(--jpn-info);
    color: var(--jpn-info);
}

/* ============================================
   Modals - Minimal Design
   ============================================ */
.modal-content {
    border: 1px solid var(--jpn-border);
    border-radius: var(--jpn-radius-md);
    box-shadow: var(--jpn-shadow-md);
}

.modal-header {
    border-bottom: 1px solid var(--jpn-border);
    padding: var(--jpn-spacing-lg);
}

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

.modal-footer {
    border-top: 1px solid var(--jpn-border);
    padding: var(--jpn-spacing-lg);
}

/* ============================================
   Navigation - Minimal Design
   ============================================ */
.navbar {
    background-color: var(--jpn-bg);
    border-bottom: 1px solid var(--jpn-border);
    box-shadow: var(--jpn-shadow-sm);
}

.nav-link {
    color: var(--jpn-text);
    font-weight: var(--jpn-font-weight-medium);
    padding: var(--jpn-spacing-sm) var(--jpn-spacing-md);
    transition: var(--jpn-transition);
    min-height: var(--jpn-touch-min);
    display: flex;
    align-items: center;
}

.nav-link:hover,
.nav-link:focus {
    color: var(--jpn-primary);
    background-color: var(--jpn-bg-secondary);
}

.nav-link.active {
    color: var(--jpn-primary);
    border-bottom: 2px solid var(--jpn-primary);
}

/* ============================================
   Spacing Utilities - Touch-First
   ============================================ */
.gap-1 { gap: var(--jpn-spacing-xs); }
.gap-2 { gap: var(--jpn-spacing-sm); }
.gap-3 { gap: var(--jpn-spacing-md); }
.gap-4 { gap: var(--jpn-spacing-lg); }
.gap-5 { gap: var(--jpn-spacing-xl); }

/* ============================================
   POS Specific Components
   ============================================ */
.table-card {
    border: 1px solid var(--jpn-border);
    border-radius: var(--jpn-radius-md);
    background-color: var(--jpn-bg);
    transition: var(--jpn-transition);
    box-shadow: var(--jpn-shadow-sm);
}

.table-card:hover {
    border-color: var(--jpn-primary);
    box-shadow: var(--jpn-shadow);
}

.table-card.selected {
    border-color: var(--jpn-primary);
    border-width: 2px;
    background-color: rgba(200, 16, 46, 0.05);
}

/* Product Cards */
.product-card {
    border: 1px solid var(--jpn-border);
    border-radius: var(--jpn-radius-md);
    background-color: var(--jpn-bg);
    transition: var(--jpn-transition);
    box-shadow: var(--jpn-shadow-sm);
    min-height: var(--jpn-touch-comfort);
}

.product-card:hover {
    border-color: var(--jpn-primary);
    box-shadow: var(--jpn-shadow);
}

/* ============================================
   Responsive - iPad & Mobile
   ============================================ */
@media (min-width: 768px) {
    :root {
        --jpn-font-size-base: 17px;
    }
    
    .btn {
    }
    
    .btn-sm {
        min-height: var(--jpn-touch-min);
    }
}

@media (min-width: 1024px) {
    /* iPad Landscape & Desktop */
    .card {
        box-shadow: var(--jpn-shadow);
    }
    
    .table-card:hover,
    .product-card:hover {
        box-shadow: var(--jpn-shadow-md);
    }
}

/* ============================================
   Print Styles - Minimal
   ============================================ */
@media print {
    .btn,
    .navbar,
    .modal {
        display: none;
    }
    
    .card {
        border: 1px solid var(--jpn-border);
        box-shadow: none;
        page-break-inside: avoid;
    }
}

/* ============================================
   Accessibility - Focus States
   ============================================ */
*:focus-visible {
    outline: 2px solid var(--jpn-primary);
    outline-offset: 2px;
}

/* ============================================
   Utility Classes
   ============================================ */
.text-jpn-red {
    color: var(--jpn-primary);
}

.bg-jpn-red {
    background-color: var(--jpn-primary);
    color: var(--jpn-text-light);
}

.border-jpn-red {
    border-color: var(--jpn-primary);
}

.text-jpn-carbon {
    color: var(--jpn-carbon);
}

.bg-jpn-carbon {
    background-color: var(--jpn-carbon);
    color: var(--jpn-text-light);
}