/**
 * Frontend Styles for QuarkCodeAI B2B Commerce Suite
 * Comprehensive styling for customer-facing interfaces
 */

/* ==================================================================
   VARIABLES & BASE STYLES
   ================================================================== */

:root {
    --qb2b-primary: #0073aa;
    --qb2b-primary-dark: #005177;
    --qb2b-primary-light: #4a9fd1;
    --qb2b-secondary: #6c757d;
    --qb2b-success: #28a745;
    --qb2b-danger: #dc3545;
    --qb2b-warning: #ffc107;
    --qb2b-info: #17a2b8;
    --qb2b-light: #f8f9fa;
    --qb2b-dark: #343a40;
    --qb2b-white: #ffffff;
    --qb2b-gray-100: #f8f9fa;
    --qb2b-gray-200: #e9ecef;
    --qb2b-gray-300: #dee2e6;
    --qb2b-gray-400: #ced4da;
    --qb2b-gray-500: #adb5bd;
    --qb2b-gray-600: #6c757d;
    --qb2b-gray-700: #495057;
    --qb2b-gray-800: #343a40;
    --qb2b-gray-900: #212529;
    
    /* Spacing */
    --qb2b-space-xs: 0.25rem;
    --qb2b-space-sm: 0.5rem;
    --qb2b-space-md: 1rem;
    --qb2b-space-lg: 1.5rem;
    --qb2b-space-xl: 3rem;
    
    /* Typography */
    --qb2b-font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
    --qb2b-font-size-xs: 0.75rem;
    --qb2b-font-size-sm: 0.875rem;
    --qb2b-font-size-base: 1rem;
    --qb2b-font-size-lg: 1.125rem;
    --qb2b-font-size-xl: 1.25rem;
    --qb2b-font-size-xxl: 1.5rem;
    
    /* Border radius */
    --qb2b-border-radius: 6px;
    --qb2b-border-radius-lg: 10px;
    --qb2b-border-radius-xl: 15px;
    
    /* Shadows */
    --qb2b-shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.1);
    --qb2b-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    --qb2b-shadow-lg: 0 4px 12px rgba(0, 0, 0, 0.15);
    --qb2b-shadow-xl: 0 8px 25px rgba(0, 0, 0, 0.15);
    
    /* Transitions */
    --qb2b-transition: all 0.3s ease;
    --qb2b-transition-fast: all 0.15s ease;
}

/* Base styles */
.qb2b-container {
    font-family: var(--qb2b-font-family);
    line-height: 1.6;
    color: var(--qb2b-gray-800);
}

.qb2b-container *,
.qb2b-container *::before,
.qb2b-container *::after {
    box-sizing: border-box;
}

/* ==================================================================
   UTILITY CLASSES
   ================================================================== */

/* Display utilities */
.qb2b-d-none { display: none !important; }
.qb2b-d-block { display: block !important; }
.qb2b-d-inline { display: inline !important; }
.qb2b-d-inline-block { display: inline-block !important; }
.qb2b-d-flex { display: flex !important; }
.qb2b-d-grid { display: grid !important; }

/* Flexbox utilities */
.qb2b-flex-row { flex-direction: row !important; }
.qb2b-flex-column { flex-direction: column !important; }
.qb2b-flex-wrap { flex-wrap: wrap !important; }
.qb2b-flex-nowrap { flex-wrap: nowrap !important; }
.qb2b-justify-start { justify-content: flex-start !important; }
.qb2b-justify-end { justify-content: flex-end !important; }
.qb2b-justify-center { justify-content: center !important; }
.qb2b-justify-between { justify-content: space-between !important; }
.qb2b-align-start { align-items: flex-start !important; }
.qb2b-align-end { align-items: flex-end !important; }
.qb2b-align-center { align-items: center !important; }

/* Text utilities */
.qb2b-text-left { text-align: left !important; }
.qb2b-text-center { text-align: center !important; }
.qb2b-text-right { text-align: right !important; }
.qb2b-text-primary { color: var(--qb2b-primary) !important; }
.qb2b-text-secondary { color: var(--qb2b-secondary) !important; }
.qb2b-text-success { color: var(--qb2b-success) !important; }
.qb2b-text-danger { color: var(--qb2b-danger) !important; }
.qb2b-text-warning { color: var(--qb2b-warning) !important; }
.qb2b-text-muted { color: var(--qb2b-gray-600) !important; }

/* Spacing utilities */
.qb2b-m-0 { margin: 0 !important; }
.qb2b-m-1 { margin: var(--qb2b-space-sm) !important; }
.qb2b-m-2 { margin: var(--qb2b-space-md) !important; }
.qb2b-m-3 { margin: var(--qb2b-space-lg) !important; }
.qb2b-mt-0 { margin-top: 0 !important; }
.qb2b-mt-1 { margin-top: var(--qb2b-space-sm) !important; }
.qb2b-mt-2 { margin-top: var(--qb2b-space-md) !important; }
.qb2b-mt-3 { margin-top: var(--qb2b-space-lg) !important; }
.qb2b-mb-0 { margin-bottom: 0 !important; }
.qb2b-mb-1 { margin-bottom: var(--qb2b-space-sm) !important; }
.qb2b-mb-2 { margin-bottom: var(--qb2b-space-md) !important; }
.qb2b-mb-3 { margin-bottom: var(--qb2b-space-lg) !important; }

.qb2b-p-0 { padding: 0 !important; }
.qb2b-p-1 { padding: var(--qb2b-space-sm) !important; }
.qb2b-p-2 { padding: var(--qb2b-space-md) !important; }
.qb2b-p-3 { padding: var(--qb2b-space-lg) !important; }

/* ==================================================================
   BUTTONS
   ================================================================== */

.qb2b-btn {
    display: inline-block;
    padding: 12px 24px;
    margin-bottom: 0;
    font-size: var(--qb2b-font-size-base);
    font-weight: 600;
    line-height: 1.42857143;
    text-align: center;
    white-space: nowrap;
    vertical-align: middle;
    cursor: pointer;
    user-select: none;
    border: 2px solid transparent;
    border-radius: var(--qb2b-border-radius);
    text-decoration: none;
    transition: var(--qb2b-transition);
    position: relative;
    overflow: hidden;
}

.qb2b-btn:hover,
.qb2b-btn:focus {
    text-decoration: none;
    transform: translateY(-1px);
    box-shadow: var(--qb2b-shadow-lg);
}

.qb2b-btn:active {
    transform: translateY(0);
    box-shadow: var(--qb2b-shadow);
}

.qb2b-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
    transform: none !important;
    box-shadow: none !important;
}

/* Button variants */
.qb2b-btn-primary {
    color: var(--qb2b-white);
    background: linear-gradient(135deg, var(--qb2b-primary), var(--qb2b-primary-dark));
    border-color: var(--qb2b-primary);
}

.qb2b-btn-primary:hover {
    background: linear-gradient(135deg, var(--qb2b-primary-dark), var(--qb2b-primary));
    border-color: var(--qb2b-primary-dark);
    color: var(--qb2b-white);
}

.qb2b-btn-secondary {
    color: var(--qb2b-white);
    background: linear-gradient(135deg, var(--qb2b-secondary), var(--qb2b-gray-700));
    border-color: var(--qb2b-secondary);
}

.qb2b-btn-secondary:hover {
    background: linear-gradient(135deg, var(--qb2b-gray-700), var(--qb2b-secondary));
    color: var(--qb2b-white);
}

.qb2b-btn-success {
    color: var(--qb2b-white);
    background: linear-gradient(135deg, var(--qb2b-success), #218838);
    border-color: var(--qb2b-success);
}

.qb2b-btn-outline-primary {
    color: var(--qb2b-primary);
    background: transparent;
    border-color: var(--qb2b-primary);
}

.qb2b-btn-outline-primary:hover {
    color: var(--qb2b-white);
    background: var(--qb2b-primary);
    border-color: var(--qb2b-primary);
}

/* Button sizes */
.qb2b-btn-sm {
    padding: 8px 16px;
    font-size: var(--qb2b-font-size-sm);
}

.qb2b-btn-lg {
    padding: 16px 32px;
    font-size: var(--qb2b-font-size-lg);
}

.qb2b-btn-block {
    display: block;
    width: 100%;
}

/* Button with icon */
.qb2b-btn .dashicons {
    margin-right: 8px;
    vertical-align: middle;
}

.qb2b-btn .dashicons:last-child {
    margin-right: 0;
    margin-left: 8px;
}

/* ==================================================================
   FORMS
   ================================================================== */

.qb2b-form {
    max-width: 100%;
}

.qb2b-form-section {
    background: var(--qb2b-white);
    border: 1px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius-lg);
    padding: var(--qb2b-space-xl);
    margin-bottom: var(--qb2b-space-xl);
    box-shadow: var(--qb2b-shadow);
}

.qb2b-form-section .section-title {
    margin: 0 0 var(--qb2b-space-sm) 0;
    padding-bottom: var(--qb2b-space-md);
    border-bottom: 2px solid var(--qb2b-gray-200);
    color: var(--qb2b-gray-800);
    font-size: var(--qb2b-font-size-xxl);
    display: flex;
    align-items: center;
    gap: var(--qb2b-space-sm);
}

.qb2b-form-section .section-icon {
    color: var(--qb2b-primary);
    font-size: 1.5em;
}

.qb2b-form-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--qb2b-space-lg);
    margin-bottom: var(--qb2b-space-lg);
}

.qb2b-form-group {
    flex: 1;
    min-width: 0;
}

.qb2b-form-group.half-width {
    flex: 0 0 calc(50% - var(--qb2b-space-lg) / 2);
}

.qb2b-form-group.third-width {
    flex: 0 0 calc(33.333% - var(--qb2b-space-lg) * 2 / 3);
}

.qb2b-form-group.full-width {
    flex: 0 0 100%;
}

.qb2b-form-group label {
    display: block;
    margin-bottom: var(--qb2b-space-sm);
    font-weight: 600;
    color: var(--qb2b-gray-800);
    font-size: var(--qb2b-font-size-base);
}

.qb2b-form-group label.required::after {
    content: ' *';
    color: var(--qb2b-danger);
}

.qb2b-form-control {
    display: block;
    width: 100%;
    padding: 12px 16px;
    font-size: var(--qb2b-font-size-base);
    line-height: 1.5;
    color: var(--qb2b-gray-800);
    background-color: var(--qb2b-white);
    background-image: none;
    border: 2px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius);
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075);
    transition: var(--qb2b-transition);
}

.qb2b-form-control:focus {
    border-color: var(--qb2b-primary);
    outline: 0;
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 0 3px rgba(0, 115, 170, 0.1);
}

.qb2b-form-control:disabled {
    background-color: var(--qb2b-gray-200);
    opacity: 1;
    cursor: not-allowed;
}

.qb2b-form-control.error {
    border-color: var(--qb2b-danger);
}

.qb2b-form-control.error:focus {
    box-shadow: inset 0 1px 2px rgba(0, 0, 0, 0.075), 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Form help text */
.qb2b-form-help {
    display: block;
    margin-top: var(--qb2b-space-xs);
    font-size: var(--qb2b-font-size-sm);
    color: var(--qb2b-gray-600);
    line-height: 1.4;
}

/* Input groups */
.qb2b-input-group {
    position: relative;
    display: flex;
    flex-wrap: wrap;
    align-items: stretch;
    width: 100%;
}

.qb2b-input-group .qb2b-form-control {
    position: relative;
    flex: 1 1 auto;
    width: 1%;
}

.qb2b-input-group .input-icon {
    position: absolute;
    left: 12px;
    top: 50%;
    transform: translateY(-50%);
    color: var(--qb2b-gray-500);
    z-index: 2;
    pointer-events: none;
}

.qb2b-input-group .input-icon + .qb2b-form-control {
    padding-left: 40px;
}

.qb2b-input-group .password-toggle {
    position: absolute;
    right: 12px;
    top: 50%;
    transform: translateY(-50%);
    background: none;
    border: none;
    color: var(--qb2b-gray-500);
    cursor: pointer;
    padding: 4px;
    z-index: 2;
}

/* Checkbox and radio styles */
.qb2b-checkbox-label,
.qb2b-radio-label {
    display: flex;
    align-items: flex-start;
    gap: var(--qb2b-space-sm);
    font-weight: normal;
    cursor: pointer;
    margin-bottom: var(--qb2b-space-sm);
}

.qb2b-checkbox-label input[type="checkbox"],
.qb2b-radio-label input[type="radio"] {
    margin: 0;
    flex-shrink: 0;
}

/* File upload */
.qb2b-file-upload-area {
    border: 2px dashed var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius-lg);
    padding: var(--qb2b-space-xl);
    text-align: center;
    transition: var(--qb2b-transition);
    cursor: pointer;
    background: var(--qb2b-gray-100);
}

.qb2b-file-upload-area:hover,
.qb2b-file-upload-area.dragover {
    border-color: var(--qb2b-primary);
    background: rgba(0, 115, 170, 0.05);
}

.qb2b-file-upload-area .upload-placeholder {
    color: var(--qb2b-gray-600);
}

.qb2b-file-upload-area .upload-placeholder .dashicons {
    font-size: 48px;
    margin-bottom: var(--qb2b-space-md);
    color: var(--qb2b-gray-400);
}

.qb2b-uploaded-files-list {
    margin-top: var(--qb2b-space-md);
}

.qb2b-uploaded-file {
    display: flex;
    align-items: center;
    gap: var(--qb2b-space-sm);
    padding: var(--qb2b-space-sm);
    background: var(--qb2b-white);
    border: 1px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius);
    margin-bottom: var(--qb2b-space-sm);
}

.qb2b-uploaded-file .file-name {
    flex: 1;
    font-weight: 500;
}

.qb2b-uploaded-file .file-size {
    color: var(--qb2b-gray-600);
    font-size: var(--qb2b-font-size-sm);
}

.qb2b-uploaded-file .remove-file {
    background: none;
    border: none;
    color: var(--qb2b-danger);
    cursor: pointer;
    font-size: 18px;
    padding: 2px;
}

/* ==================================================================
   CUSTOMER DASHBOARD
   ================================================================== */

.qb2b-customer-dashboard {
    min-height: 100vh;
    background: var(--qb2b-gray-100);
    padding: var(--qb2b-space-xl) 0;
}

.qb2b-dashboard-header {
    background: linear-gradient(135deg, var(--qb2b-primary), var(--qb2b-primary-dark));
    color: var(--qb2b-white);
    padding: var(--qb2b-space-xl);
    border-radius: var(--qb2b-border-radius-lg);
    margin-bottom: var(--qb2b-space-xl);
    box-shadow: var(--qb2b-shadow-lg);
}

.qb2b-dashboard-header .dashboard-welcome {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--qb2b-space-lg);
}

.qb2b-dashboard-header .welcome-content h1 {
    margin: 0 0 var(--qb2b-space-sm) 0;
    font-size: 2.5rem;
    font-weight: bold;
}

.qb2b-dashboard-header .company-info {
    color: rgba(255, 255, 255, 0.9);
    font-size: var(--qb2b-font-size-lg);
    margin-bottom: var(--qb2b-space-sm);
}

.qb2b-dashboard-header .customer-group-badge {
    display: inline-block;
    padding: var(--qb2b-space-xs) var(--qb2b-space-md);
    background: rgba(255, 255, 255, 0.2);
    border-radius: var(--qb2b-border-radius-xl);
    font-size: var(--qb2b-font-size-sm);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qb2b-dashboard-header .welcome-actions {
    display: flex;
    gap: var(--qb2b-space-md);
    flex-wrap: wrap;
}

/* Dashboard widgets */
/*
.qb2b-dashboard-widgets {
    display: grid;
    gap: var(--qb2b-space-xl);
    margin-bottom: var(--qb2b-space-xl);
}

.qb2b-dashboard-widgets[data-layout="grid"] {
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
}

.qb2b-dashboard-widgets[data-layout="list"] {
    grid-template-columns: 1fr;
}

.qb2b-dashboard-widget {
    background: var(--qb2b-white);
    border-radius: var(--qb2b-border-radius-lg);
    box-shadow: var(--qb2b-shadow);
    overflow: hidden;
    transition: var(--qb2b-transition);
}

.qb2b-dashboard-widget:hover {
    transform: translateY(-2px);
    box-shadow: var(--qb2b-shadow-lg);
}

.qb2b-dashboard-widget.minimized .widget-content {
    display: none;
}

.qb2b-dashboard-widget .widget-header {
    padding: var(--qb2b-space-lg);
    background: var(--qb2b-gray-100);
    border-bottom: 1px solid var(--qb2b-gray-300);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.qb2b-dashboard-widget .widget-title {
    margin: 0;
    font-size: var(--qb2b-font-size-xl);
    color: var(--qb2b-gray-800);
}

.qb2b-dashboard-widget .widget-controls {
    display: flex;
    gap: var(--qb2b-space-sm);
}

.qb2b-dashboard-widget .widget-controls button {
    background: none;
    border: none;
    color: var(--qb2b-gray-600);
    cursor: pointer;
    padding: var(--qb2b-space-xs);
    border-radius: var(--qb2b-border-radius);
    transition: var(--qb2b-transition);
}

.qb2b-dashboard-widget .widget-controls button:hover {
    background: var(--qb2b-gray-200);
    color: var(--qb2b-gray-800);
}

.qb2b-dashboard-widget .widget-content {
    padding: var(--qb2b-space-lg);
}
*/
/* Floating Action Button */
.qb2b-floating-actions {
    position: fixed;
    bottom: var(--qb2b-space-xl);
    right: var(--qb2b-space-xl);
    z-index: 1000;
}

.qb2b-floating-actions .fab-trigger {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--qb2b-primary), var(--qb2b-primary-dark));
    color: var(--qb2b-white);
    border: none;
    box-shadow: var(--qb2b-shadow-lg);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    transition: var(--qb2b-transition);
}

.qb2b-floating-actions .fab-trigger:hover {
    transform: scale(1.1);
    box-shadow: var(--qb2b-shadow-xl);
}

.qb2b-floating-actions .fab-trigger.active {
    transform: rotate(45deg);
}

.qb2b-floating-actions .fab-menu {
    position: absolute;
    bottom: 70px;
    right: 0;
    display: flex;
    flex-direction: column;
    gap: var(--qb2b-space-md);
    opacity: 0;
    transform: translateY(20px);
    transition: var(--qb2b-transition);
    pointer-events: none;
}

.qb2b-floating-actions .fab-menu.show {
    opacity: 1;
    transform: translateY(0);
    pointer-events: all;
}

.qb2b-floating-actions .fab-item {
    display: flex;
    align-items: center;
    gap: var(--qb2b-space-sm);
    padding: var(--qb2b-space-sm) var(--qb2b-space-md);
    background: var(--qb2b-white);
    color: var(--qb2b-gray-800);
    text-decoration: none;
    border-radius: var(--qb2b-border-radius-xl);
    box-shadow: var(--qb2b-shadow);
    transition: var(--qb2b-transition);
    white-space: nowrap;
    font-weight: 500;
}

.qb2b-floating-actions .fab-item:hover {
    background: var(--qb2b-primary);
    color: var(--qb2b-white);
    transform: translateX(-5px);
}

/* ==================================================================
   PRODUCT CARDS & GRIDS
   ================================================================== */

.qb2b-products-grid {
    display: grid;
    gap: var(--qb2b-space-xl);
    margin-bottom: var(--qb2b-space-xl);
}

.qb2b-products-grid.view-grid {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

.qb2b-products-grid.view-list {
    grid-template-columns: 1fr;
}

.qb2b-products-grid.view-table {
    display: table;
    width: 100%;
    border-collapse: collapse;
}

.qb2b-product-card {
    background: var(--qb2b-white);
    border: 1px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius-lg);
    overflow: hidden;
    transition: var(--qb2b-transition);
    box-shadow: var(--qb2b-shadow);
    position: relative;
}

.qb2b-product-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--qb2b-shadow-lg);
}

.qb2b-product-card .product-card-header {
    position: absolute;
    top: var(--qb2b-space-md);
    right: var(--qb2b-space-md);
    left: var(--qb2b-space-md);
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    z-index: 2;
}

.qb2b-product-card .product-select {
    background: var(--qb2b-white);
    border: 2px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius);
    padding: 2px;
}

.qb2b-product-card .add-to-favorites {
    background: var(--qb2b-white);
    border: none;
    border-radius: 50%;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--qb2b-gray-600);
    cursor: pointer;
    transition: var(--qb2b-transition);
    box-shadow: var(--qb2b-shadow);
}

.qb2b-product-card .add-to-favorites:hover,
.qb2b-product-card .add-to-favorites.active {
    color: var(--qb2b-danger);
    background: var(--qb2b-white);
    transform: scale(1.1);
}

.qb2b-product-card .product-image {
    position: relative;
    width: 100%;
    height: 200px;
    overflow: hidden;
    background: var(--qb2b-gray-100);
}

.qb2b-product-card .product-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--qb2b-transition);
}

.qb2b-product-card:hover .product-image img {
    transform: scale(1.05);
}

.qb2b-product-card .sale-badge {
    position: absolute;
    top: var(--qb2b-space-sm);
    left: var(--qb2b-space-sm);
    background: var(--qb2b-danger);
    color: var(--qb2b-white);
    padding: var(--qb2b-space-xs) var(--qb2b-space-sm);
    border-radius: var(--qb2b-border-radius);
    font-size: var(--qb2b-font-size-xs);
    font-weight: 600;
    text-transform: uppercase;
}

.qb2b-product-card .product-info {
    padding: var(--qb2b-space-lg);
}

.qb2b-product-card .product-title {
    margin: 0 0 var(--qb2b-space-sm) 0;
    font-size: var(--qb2b-font-size-lg);
    font-weight: 600;
    line-height: 1.3;
}

.qb2b-product-card .product-title a {
    color: var(--qb2b-gray-800);
    text-decoration: none;
    transition: var(--qb2b-transition);
}

.qb2b-product-card .product-title a:hover {
    color: var(--qb2b-primary);
}

.qb2b-product-card .product-meta {
    margin-bottom: var(--qb2b-space-md);
}

.qb2b-product-card .product-sku {
    font-size: var(--qb2b-font-size-sm);
    color: var(--qb2b-gray-600);
    margin-bottom: var(--qb2b-space-xs);
}

.qb2b-product-card .product-pricing {
    margin-bottom: var(--qb2b-space-md);
}

.qb2b-product-card .product-pricing .price {
    font-size: var(--qb2b-font-size-xl);
    font-weight: bold;
    color: var(--qb2b-success);
}

.qb2b-product-card .tiered-pricing-indicator {
    display: inline-block;
    padding: var(--qb2b-space-xs) var(--qb2b-space-sm);
    background: rgba(0, 115, 170, 0.1);
    color: var(--qb2b-primary);
    border-radius: var(--qb2b-border-radius);
    font-size: var(--qb2b-font-size-xs);
    margin-top: var(--qb2b-space-xs);
}

.qb2b-product-card .product-stock {
    margin-bottom: var(--qb2b-space-md);
    font-size: var(--qb2b-font-size-sm);
}

.qb2b-product-card .product-actions {
    display: flex;
    flex-direction: column;
    gap: var(--qb2b-space-sm);
}

.qb2b-product-card .quantity-controls {
    display: flex;
    align-items: center;
    gap: var(--qb2b-space-sm);
}

.qb2b-product-card .quantity-input {
    flex: 1;
    max-width: 80px;
    padding: var(--qb2b-space-sm);
    border: 1px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius);
    text-align: center;
}

.qb2b-product-card .add-to-cart-btn,
.qb2b-product-card .request-quote-btn {
    flex: 1;
    justify-content: center;
    display: flex;
    align-items: center;
    gap: var(--qb2b-space-xs);
}

/* ==================================================================
   TABLES
   ================================================================== */

.qb2b-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--qb2b-white);
    border-radius: var(--qb2b-border-radius-lg);
    overflow: hidden;
    box-shadow: var(--qb2b-shadow);
    margin-bottom: var(--qb2b-space-xl);
}

.qb2b-table thead {
    background: var(--qb2b-gray-100);
}

.qb2b-table th {
    padding: var(--qb2b-space-lg);
    text-align: left;
    font-weight: 600;
    color: var(--qb2b-gray-800);
    border-bottom: 2px solid var(--qb2b-gray-300);
    font-size: var(--qb2b-font-size-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qb2b-table td {
    padding: var(--qb2b-space-lg);
    border-bottom: 1px solid var(--qb2b-gray-200);
    color: var(--qb2b-gray-700);
}

.qb2b-table tbody tr:hover {
    background: var(--qb2b-gray-50);
}

.qb2b-table tbody tr:last-child td {
    border-bottom: none;
}

/* Responsive table */
.qb2b-table-responsive {
    overflow-x: auto;
    margin-bottom: var(--qb2b-space-xl);
}

.qb2b-table-responsive .qb2b-table {
    min-width: 600px;
    margin-bottom: 0;
}

/* ==================================================================
   MODALS
   ================================================================== */

.qb2b-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.5);
    z-index: 9999;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: var(--qb2b-space-lg);
    opacity: 0;
    visibility: hidden;
    transition: var(--qb2b-transition);
}

.qb2b-modal.show {
    opacity: 1;
    visibility: visible;
}

.qb2b-modal-content {
    background: var(--qb2b-white);
    border-radius: var(--qb2b-border-radius-lg);
    max-width: 600px;
    width: 100%;
    max-height: 90vh;
    overflow-y: auto;
    box-shadow: var(--qb2b-shadow-xl);
    transform: scale(0.9) translateY(-20px);
    transition: var(--qb2b-transition);
}

.qb2b-modal.show .qb2b-modal-content {
    transform: scale(1) translateY(0);
}

.qb2b-modal-content.large {
    max-width: 900px;
}

.qb2b-modal-content.small {
    max-width: 400px;
}

.qb2b-modal-header {
    padding: var(--qb2b-space-lg) var(--qb2b-space-xl);
    border-bottom: 1px solid var(--qb2b-gray-300);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--qb2b-gray-100);
}

.qb2b-modal-header h3 {
    margin: 0;
    font-size: var(--qb2b-font-size-xxl);
    color: var(--qb2b-gray-800);
}

.qb2b-modal-close {
    background: none;
    border: none;
    font-size: 28px;
    color: var(--qb2b-gray-600);
    cursor: pointer;
    padding: 0;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: var(--qb2b-transition);
}

.qb2b-modal-close:hover {
    background: var(--qb2b-gray-200);
    color: var(--qb2b-gray-800);
}

.qb2b-modal-body {
    padding: var(--qb2b-space-xl);
}

.qb2b-modal-footer {
    padding: var(--qb2b-space-lg) var(--qb2b-space-xl);
    border-top: 1px solid var(--qb2b-gray-300);
    display: flex;
    gap: var(--qb2b-space-md);
    justify-content: flex-end;
    background: var(--qb2b-gray-50);
}

/* ==================================================================
   NOTIFICATIONS & ALERTS
   ================================================================== */

.qb2b-alert {
    padding: var(--qb2b-space-lg);
    margin-bottom: var(--qb2b-space-lg);
    border: 1px solid transparent;
    border-radius: var(--qb2b-border-radius);
    position: relative;
    border-left-width: 4px;
}

.qb2b-alert-success {
    color: #155724;
    background-color: #d4edda;
    border-color: #c3e6cb;
    border-left-color: var(--qb2b-success);
}

.qb2b-alert-danger {
    color: #721c24;
    background-color: #f8d7da;
    border-color: #f5c6cb;
    border-left-color: var(--qb2b-danger);
}

.qb2b-alert-warning {
    color: #856404;
    background-color: #fff3cd;
    border-color: #ffeaa7;
    border-left-color: var(--qb2b-warning);
}

.qb2b-alert-info {
    color: #0c5460;
    background-color: #d1ecf1;
    border-color: #bee5eb;
    border-left-color: var(--qb2b-info);
}

.qb2b-alert .alert-dismiss {
    position: absolute;
    top: var(--qb2b-space-sm);
    right: var(--qb2b-space-md);
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: inherit;
    opacity: 0.7;
    transition: opacity 0.2s;
}

.qb2b-alert .alert-dismiss:hover {
    opacity: 1;
}

/* Toast notifications */
.qb2b-toast-container {
    position: fixed;
    top: var(--qb2b-space-lg);
    right: var(--qb2b-space-lg);
    z-index: 9999;
    max-width: 400px;
}

.qb2b-toast {
    background: var(--qb2b-white);
    border: 1px solid var(--qb2b-gray-300);
    border-radius: var(--qb2b-border-radius);
    box-shadow: var(--qb2b-shadow-lg);
    margin-bottom: var(--qb2b-space-sm);
    opacity: 0;
    transform: translateX(100%);
    transition: var(--qb2b-transition);
}

.qb2b-toast.show {
    opacity: 1;
    transform: translateX(0);
}

.qb2b-toast .toast-header {
    padding: var(--qb2b-space-md);
    border-bottom: 1px solid var(--qb2b-gray-200);
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--qb2b-gray-100);
}

.qb2b-toast .toast-body {
    padding: var(--qb2b-space-md);
}

/* ==================================================================
   BADGES & STATUS INDICATORS
   ================================================================== */

.qb2b-badge {
    display: inline-block;
    padding: 0.25em 0.6em;
    font-size: var(--qb2b-font-size-xs);
    font-weight: 600;
    line-height: 1;
    color: var(--qb2b-white);
    text-align: center;
    white-space: nowrap;
    vertical-align: baseline;
    border-radius: var(--qb2b-border-radius);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.qb2b-badge-primary { background-color: var(--qb2b-primary); }
.qb2b-badge-secondary { background-color: var(--qb2b-secondary); }
.qb2b-badge-success { background-color: var(--qb2b-success); }
.qb2b-badge-danger { background-color: var(--qb2b-danger); }
.qb2b-badge-warning { 
    background-color: var(--qb2b-warning); 
    color: var(--qb2b-gray-800);
}
.qb2b-badge-info { background-color: var(--qb2b-info); }

/* Status indicators with dots */
.qb2b-status {
    display: inline-flex;
    align-items: center;
    gap: var(--qb2b-space-xs);
    font-size: var(--qb2b-font-size-sm);
    font-weight: 500;
}

.qb2b-status::before {
    content: '';
    width: 8px;
    height: 8px;
    border-radius: 50%;
    display: block;
}

.qb2b-status.pending { color: var(--qb2b-warning); }
.qb2b-status.pending::before { background-color: var(--qb2b-warning); }

.qb2b-status.approved { color: var(--qb2b-success); }
.qb2b-status.approved::before { background-color: var(--qb2b-success); }

.qb2b-status.rejected { color: var(--qb2b-danger); }
.qb2b-status.rejected::before { background-color: var(--qb2b-danger); }

.qb2b-status.processing { color: var(--qb2b-info); }
.qb2b-status.processing::before { 
    background-color: var(--qb2b-info);
    animation: qb2b-pulse 2s ease-in-out infinite;
}

@keyframes qb2b-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* ==================================================================
   LOADING STATES
   ================================================================== */

.qb2b-loading {
    position: relative;
    pointer-events: none;
    opacity: 0.6;
}

.qb2b-loading::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 20px;
    height: 20px;
    margin: -10px 0 0 -10px;
    border: 2px solid var(--qb2b-gray-300);
    border-top-color: var(--qb2b-primary);
    border-radius: 50%;
    animation: qb2b-spin 1s linear infinite;
    z-index: 1;
}

.qb2b-spinner {
    display: inline-block;
    width: 24px;
    height: 24px;
    border: 2px solid var(--qb2b-gray-300);
    border-top-color: var(--qb2b-primary);
    border-radius: 50%;
    animation: qb2b-spin 1s linear infinite;
}

.qb2b-spinner-lg {
    width: 40px;
    height: 40px;
    border-width: 4px;
}

@keyframes qb2b-spin {
    to { transform: rotate(360deg); }
}

/* Loading overlay */
.qb2b-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(255, 255, 255, 0.9);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10;
    border-radius: inherit;
}

/* ==================================================================
   RESPONSIVE DESIGN
   ================================================================== */

@media (max-width: 1200px) {
    .qb2b-dashboard-widgets[data-layout="grid"] {
        grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    }
    
    .qb2b-products-grid.view-grid {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

@media (max-width: 768px) {
    :root {
        --qb2b-space-xl: 2rem;
        --qb2b-space-lg: 1rem;
    }
    
    .qb2b-form-row {
        flex-direction: column;
        gap: 0;
    }
    
    .qb2b-form-group.half-width,
    .qb2b-form-group.third-width {
        flex: 1;
    }
    
    .qb2b-dashboard-header .dashboard-welcome {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
    }
    
    .qb2b-dashboard-header .welcome-content h1 {
        font-size: 2rem;
    }
    
    .qb2b-dashboard-widgets {
        grid-template-columns: 1fr;
    }
    
    .qb2b-products-grid.view-grid {
        grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    }
    
    .qb2b-floating-actions {
        bottom: var(--qb2b-space-lg);
        right: var(--qb2b-space-lg);
    }
    
    .qb2b-floating-actions .fab-trigger {
        width: 50px;
        height: 50px;
        font-size: 20px;
    }
    
    .qb2b-modal {
        padding: var(--qb2b-space-md);
    }
    
    .qb2b-modal-header,
    .qb2b-modal-body,
    .qb2b-modal-footer {
        padding: var(--qb2b-space-lg);
    }
    
    .qb2b-table-responsive .qb2b-table {
        font-size: var(--qb2b-font-size-sm);
    }
    
    .qb2b-table th,
    .qb2b-table td {
        padding: var(--qb2b-space-md);
    }
    
    .qb2b-toast-container {
        top: var(--qb2b-space-md);
        right: var(--qb2b-space-md);
        left: var(--qb2b-space-md);
        max-width: none;
    }
}

@media (max-width: 480px) {
    .qb2b-customer-dashboard {
        padding: var(--qb2b-space-lg) 0;
    }
    
    .qb2b-dashboard-header,
    .qb2b-form-section,
    .qb2b-dashboard-widget .widget-content {
        padding: var(--qb2b-space-lg);
    }
    
    .qb2b-product-card .product-info {
        padding: var(--qb2b-space-md);
    }
    
    .qb2b-btn {
        padding: 10px 20px;
        font-size: var(--qb2b-font-size-sm);
    }
    
    .qb2b-btn-lg {
        padding: 12px 24px;
        font-size: var(--qb2b-font-size-base);
    }
    
    .qb2b-products-grid.view-grid {
        grid-template-columns: 1fr;
    }
}

/* ==================================================================
   PRINT STYLES
   ================================================================== */

@media print {
    .qb2b-floating-actions,
    .qb2b-modal,
    .qb2b-btn,
    .qb2b-dashboard-widget .widget-controls,
    .qb2b-product-card .product-actions {
        display: none !important;
    }
    
    .qb2b-customer-dashboard,
    .qb2b-dashboard-widget,
    .qb2b-product-card,
    .qb2b-table {
        background: white !important;
        box-shadow: none !important;
        border: 1px solid #ddd !important;
    }
    
    .qb2b-dashboard-header {
        background: white !important;
        color: black !important;
    }
}

/* ==================================================================
   ACCESSIBILITY
   ================================================================== */

/* Focus styles */
.qb2b-btn:focus,
.qb2b-form-control:focus,
button:focus,
a:focus {
    outline: 2px solid var(--qb2b-primary);
    outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
    .qb2b-container {
        --qb2b-gray-300: #000000;
        --qb2b-gray-600: #000000;
    }
    
    .qb2b-product-card,
    .qb2b-table,
    .qb2b-dashboard-widget {
        border-width: 2px;
    }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}

/* Screen reader only content */
.qb2b-sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* Quote Only Settings */
.qb2b-quote-only-notice {
    background-color: #e7f3ff;
    border-left: 4px solid #2196F3;
    padding: 15px;
    margin: 20px 0;
}

.qb2b-quote-only-notice p {
    margin: 0;
    font-size: 14px;
    color: #333;
}


.qb2b-notice {
    padding: 15px 20px;
    margin: 20px 0;
    border-radius: 5px;
    border-left: 4px solid;
}

.qb2b-notice-warning {
    background: #fff3cd;
    border-color: #ff9800;
    color: #856404;
}

.qb2b-notice-error {
    background: #f8d7da;
    border-color: #dc3545;
    color: #721c24;
}

.qb2b-notice-info {
    background: #d1ecf1;
    border-color: #0dcaf0;
    color: #055160;
}