/**
 * PriceWise Calculator Pro - Admin Calculator Form Styles
 * 
 * Professional responsive design for calculator form editor
 * File: assets/css/all-admin-css/admin-calculator-form.css
 * 
 * @package PriceWise_Calculator_Pro
 * @version 1.0.0
 * @author Your Name
 * @license GPL v2 or later
 * @since 1.0.0
 */

/**
 * TABLE OF CONTENTS
 *
 * 1.0 - CSS Custom Properties
 * 2.0 - Base Styles & Reset
 * 3.0 - Hero Header Section
 *    3.1 - Hero Background Effects
 *    3.2 - Hero Content Layout
 *    3.3 - Hero Actions & Buttons
 *    3.4 - Progress Tracker
 * 4.0 - Layout & Container
 * 5.0 - Navigation & Tabs
 *    5.1 - Tab Buttons
 *    5.2 - Field Count Badge
 * 6.0 - Tab Content
 *    6.1 - Tab Panels
 *    6.2 - Panel Headers
 * 7.0 - Form Elements
 *    7.1 - Form Grid & Sections
 *    7.2 - Field Groups
 *    7.3 - Input Elements
 *    7.4 - Field Hints
 * 8.0 - Strategy Cards
 *    8.1 - Strategy Grid
 *    8.2 - Strategy Icons
 *    8.3 - Strategy Selection States
 * 9.0 - Formula Workspace
 *    9.1 - Formula Editor
 *    9.2 - Formula Toolbar
 *    9.3 - Formula Input
 *    9.4 - Formula Status
 *    9.5 - Formula Examples
 * 10.0 - Field Management
 *    10.1 - Fields Container
 *    10.2 - Modern Field Cards
 *    10.3 - Field Headers
 *    10.4 - Field Actions
 *    10.5 - Field Type Badges
 * 11.0 - Buttons & Actions
 *    11.1 - Button Base Styles
 *    11.2 - Button Variants
 *    11.3 - Button States
 * 12.0 - Empty States
 *    12.1 - Empty State Layout
 *    12.2 - Info Cards
 * 13.0 - Settings & Configuration
 *    13.1 - Settings Grid
 *    13.2 - Settings Sections
 * 14.0 - Modal Components
 *    14.1 - Modal Base Structure
 *    14.2 - Modal Header
 *    14.3 - Modal Content
 *    14.4 - Modal Footer
 * 15.0 - Formula Help Modal
 *    15.1 - Help Modal Layout
 *    15.2 - Help Modal Sections
 * 16.0 - Notification System
 *    16.1 - Notification Base
 *    16.2 - Notification Variants
 * 17.0 - Enhanced Field Management
 *    17.1 - Field Validation States
 *    17.2 - Category Assignment
 *    17.3 - Checkbox Groups
 * 18.0 - Utility Classes
 * 19.0 - Animations & Transitions
 * 20.0 - Accessibility Features
 * 21.0 - Print Styles
 * 22.0 - Responsive Media Queries
 *    22.1 - Small Mobile (up to 480px)
 *    22.2 - Medium Mobile (481px - 640px)
 *    22.3 - Tablet (641px - 768px)
 *    22.4 - Large Tablet (769px - 1024px)
 */

/* -----------------------------------------------------------------------------
 * 1.0 - CSS CUSTOM PROPERTIES
 * -------------------------------------------------------------------------- */

.pwcp-modern-admin {
    /* Brand Colors */
    --pwcp-primary: #844CA9;
    --pwcp-primary-light: #b88cd4;
    --pwcp-primary-dark: #6a3d87;
    --pwcp-secondary: #a366cc;
    --pwcp-accent: #06b6d4;
    
    /* Status Colors */
    --pwcp-success: #10b981;
    --pwcp-warning: #f59e0b;
    --pwcp-error: #ef4444;
    --pwcp-info: #3b82f6;
    
    /* Neutral Palette */
    --pwcp-white: #ffffff;
    --pwcp-gray-25: #fcfcfd;
    --pwcp-gray-50: #f9fafb;
    --pwcp-gray-100: #f3f4f6;
    --pwcp-gray-200: #e5e7eb;
    --pwcp-gray-300: #d1d5db;
    --pwcp-gray-400: #9ca3af;
    --pwcp-gray-500: #6b7280;
    --pwcp-gray-600: #4b5563;
    --pwcp-gray-700: #374151;
    --pwcp-gray-800: #1f2937;
    --pwcp-gray-900: #111827;
    
    /* Spacing Scale */
    --pwcp-space-xs: 0.25rem;
    --pwcp-space-sm: 0.5rem;
    --pwcp-space-md: 0.75rem;
    --pwcp-space-lg: 1rem;
    --pwcp-space-xl: 1.25rem;
    --pwcp-space-2xl: 1.5rem;
    --pwcp-space-3xl: 2rem;
    
    /* Border Radius */
    --pwcp-radius-sm: 0.25rem;
    --pwcp-radius-md: 0.375rem;
    --pwcp-radius-lg: 0.5rem;
    --pwcp-radius-xl: 0.75rem;
    --pwcp-radius-2xl: 1rem;
    
    /* Shadows */
    --pwcp-shadow-xs: 0 1px 2px 0 rgba(0, 0, 0, 0.03);
    --pwcp-shadow-sm: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px 0 rgba(0, 0, 0, 0.06);
    --pwcp-shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.08), 0 2px 4px -1px rgba(0, 0, 0, 0.04);
    --pwcp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.08), 0 4px 6px -2px rgba(0, 0, 0, 0.03);
    --pwcp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.08), 0 10px 10px -5px rgba(0, 0, 0, 0.02);
    
    /* Transitions */
    --pwcp-transition: all 0.15s ease-out;
    --pwcp-transition-slow: all 0.25s ease-out;
}

/* -----------------------------------------------------------------------------
 * 2.0 - BASE STYLES & RESET
 * -------------------------------------------------------------------------- */

.pwcp-modern-admin {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    background: var(--pwcp-gray-25);
    min-height: 100vh;
    color: var(--pwcp-gray-900);
    line-height: 1.5;
    font-size: 14px;
}

.pwcp-modern-admin *,
.pwcp-modern-admin *::before,
.pwcp-modern-admin *::after {
    box-sizing: border-box;
}

/* -----------------------------------------------------------------------------
 * 3.0 - HERO HEADER SECTION
 * -------------------------------------------------------------------------- */

.pwcp-hero-header {
    position: relative;
    background: linear-gradient(135deg, #844CA9 0%, #6a3d87 25%, #9358bb 50%, #8f5dae 75%, #ae75cc 100%);
    color: var(--pwcp-white);
    padding: var(--pwcp-space-2xl) var(--pwcp-space-xl);
    margin: 0 -20px var(--pwcp-space-lg) -22px;
    margin-top: -10px;
    overflow: hidden;
    min-height: 200px;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
}

/* 3.1 - Hero Background Effects
---------------------------------------------------------------------------- */

.pwcp-hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    pointer-events: none;
    opacity: 0.8;
}

.pwcp-hero-particles {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: 
        radial-gradient(circle at 25% 25%, rgba(255, 255, 255, 0.15) 2px, transparent 2px),
        radial-gradient(circle at 75% 75%, rgba(255, 255, 255, 0.12) 1px, transparent 1px),
        radial-gradient(circle at 50% 10%, rgba(255, 255, 255, 0.08) 3px, transparent 3px),
        radial-gradient(circle at 20% 80%, rgba(255, 255, 255, 0.1) 2px, transparent 2px),
        radial-gradient(circle at 90% 30%, rgba(255, 255, 255, 0.06) 1px, transparent 1px);
    background-size: 150px 150px, 200px 200px, 300px 300px, 180px 180px, 250px 250px;
    animation: pwcp-float-subtle 25s ease-in-out infinite;
}

.pwcp-hero-gradient {
    position: absolute;
    top: -40%;
    right: -15%;
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.15) 0%, rgba(255, 255, 255, 0.08) 40%, transparent 70%);
    border-radius: 50%;
    animation: pwcp-pulse-slow 6s ease-in-out infinite;
    filter: blur(1px);
}

.pwcp-hero-gradient::before {
    content: '';
    position: absolute;
    top: 30%;
    left: 30%;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 60%);
    border-radius: 50%;
    animation: pwcp-pulse-slow 4s ease-in-out infinite reverse;
}

/* 3.2 - Hero Content Layout
---------------------------------------------------------------------------- */

.pwcp-hero-content {
    position: relative;
    z-index: 10;
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--pwcp-space-2xl);
    max-width: 1400px;
    margin: 0 auto;
}

.pwcp-hero-left {
    flex: 1;
    max-width: 600px;
}

.pwcp-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: var(--pwcp-space-xs);
    background: rgba(255, 255, 255, 0.25);
    color: var(--pwcp-white);
    padding: var(--pwcp-space-sm) var(--pwcp-space-lg);
    border-radius: 50px;
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: var(--pwcp-space-lg);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
    transition: var(--pwcp-transition);
}

.pwcp-hero-badge::before {
    content: '';
    width: 8px;
    height: 8px;
    background: linear-gradient(135deg, #10b981, #34d399);
    border-radius: 50%;
    box-shadow: 0 0 8px rgba(16, 185, 129, 0.5);
    animation: pwcp-pulse-subtle 2s ease-in-out infinite;
}

.pwcp-modern-admin.pwcp-page-add-calculator .pwcp-hero-title,
.pwcp-modern-admin.pwcp-page-edit-calculator .pwcp-hero-title {
    font-size: 46px;
    font-weight: 900;
    margin: 0 0 10px 0;
    padding: 0;
    line-height: 1.3;
    background: linear-gradient(135deg, var(--pwcp-white) 0%, rgba(255, 255, 255, 0.95) 30%, rgba(255, 255, 255, 0.9) 60%, rgba(255, 255, 255, 0.85) 100%);
    background-clip: text;
    -webkit-background-clip: text; 
    -webkit-text-fill-color: transparent;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    letter-spacing: -0.02em;
}

.pwcp-hero-subtitle {
    font-size: 1.125rem;
    opacity: 0.95;
    margin: 0;
    line-height: 1.7;
    font-weight: 400;
    max-width: 480px;
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.pwcp-hero-right {
    display: flex;
    flex-direction: column;
    align-items: flex-end;
    gap: var(--pwcp-space-lg);
    flex-shrink: 0;
}

/* 3.3 - Hero Actions & Buttons
---------------------------------------------------------------------------- */

.pwcp-hero-actions {
    display: flex;
    gap: var(--pwcp-space-md);
    margin-top: var(--pwcp-space-md);
}

.pwcp-hero-header .pwcp-btn {
    padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    font-weight: 600;
    border-radius: 12px;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    backdrop-filter: blur(10px);
    position: relative;
    overflow: hidden;
}

.pwcp-hero-header .pwcp-btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
    transition: left 0.5s ease;
}

.pwcp-hero-header .pwcp-btn:hover::before {
    left: 100%;
}

.pwcp-hero-header .pwcp-btn-outline {
    background: rgba(255, 255, 255, 0.15);
    color: var(--pwcp-white);
    border: 1px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.1);
}

.pwcp-hero-header .pwcp-btn-outline:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.15);
    color: var(--pwcp-white);
    text-decoration: none;
}

.pwcp-hero-header .pwcp-btn-primary {
    background: rgba(255, 255, 255, 0.9);
    color: #4338ca;
    border: 1px solid rgba(255, 255, 255, 0.5);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.2);
}

.pwcp-hero-header .pwcp-btn-primary:hover {
    background: var(--pwcp-white);
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(255, 255, 255, 0.3);
    color: #6a3d87;
    text-decoration: none;
}

.pwcp-hero-save-action {
    display: flex;
    justify-content: center;
    margin-top: var(--pwcp-space-md);
}

.pwcp-hero-save-action .pwcp-btn {
    min-width: 180px;
    justify-content: center;
    font-size: 0.875rem;
    font-weight: 600;
    padding: var(--pwcp-space-md) var(--pwcp-space-lg);
}

/* 3.4 - Progress Tracker
---------------------------------------------------------------------------- */
.pwcp-progress-tracker {
    display: flex;
    align-items: center;
    gap: 12px;
    background: rgba(255, 255, 255, 0.15);
    padding: 12px 16px;
    border-radius: 16px;
    backdrop-filter: blur(20px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    position: relative;
    overflow: hidden;
}

.pwcp-progress-tracker::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1) 0%, rgba(255, 255, 255, 0.05) 100%);
    border-radius: inherit;
    pointer-events: none;
}

.pwcp-progress-step {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 6px;
    opacity: 0.7;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    z-index: 1;
}

.pwcp-progress-step.pwcp-step-active {
    opacity: 1;
}

.pwcp-step-number {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.75rem;
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    position: relative;
    overflow: hidden;
}



.pwcp-progress-step.pwcp-step-active .pwcp-step-number {
    background: linear-gradient(135deg, var(--pwcp-white) 0%, #f8fafc 100%);
    color: #6a3d87;
    border-color: var(--pwcp-white);
    box-shadow: 0 4px 16px rgba(255, 255, 255, 0.3), 0 0 0 3px rgba(255, 255, 255, 0.2);
}

.pwcp-progress-step.pwcp-step-active .pwcp-step-number::before {
    opacity: 1;
}

.pwcp-step-label {
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
    letter-spacing: 0.025em;
}

.pwcp-progress-line {
    width: 24px;
    height: 2px;
    background: rgba(255, 255, 255, 0.25);
    margin: 0 6px;
    border-radius: 2px;
    position: relative;
    overflow: hidden;
}



/* -----------------------------------------------------------------------------
 * 4.0 - LAYOUT & CONTAINER
 * -------------------------------------------------------------------------- */

.pwcp-modern-container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--pwcp-space-lg);
}

/* -----------------------------------------------------------------------------
 * 5.0 - NAVIGATION & TABS
 * -------------------------------------------------------------------------- */

.pwcp-tab-navigation {
    display: flex;
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-lg);
    box-shadow: var(--pwcp-shadow-sm);
    border: 1px solid var(--pwcp-gray-200);
    overflow: hidden;
    margin-bottom: 0;
}

/* 5.1 - Tab Buttons
---------------------------------------------------------------------------- */

.pwcp-tab-btn {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
    padding: var(--pwcp-space-lg) var(--pwcp-space-xl);
    background: var(--pwcp-gray-50);
    border: none;
    color: var(--pwcp-gray-600);
    font-size: 0.875rem;
    font-weight: 600;
    cursor: pointer;
    transition: var(--pwcp-transition);
    white-space: nowrap;
    position: relative;
    flex: 1;
    justify-content: center;
    border-right: 1px solid var(--pwcp-gray-200);
}

.pwcp-tab-btn:last-child {
    border-right: none;
}

.pwcp-tab-btn:hover {
    color: var(--pwcp-primary);
    background: var(--pwcp-gray-100);
}

.pwcp-tab-btn.pwcp-tab-active {
    color: var(--pwcp-primary);
    background: var(--pwcp-white);
    box-shadow: inset 0 -3px 0 var(--pwcp-primary);
}

.pwcp-tab-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
}

/* 5.2 - Field Count Badge
---------------------------------------------------------------------------- */

.pwcp-field-count {
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--pwcp-radius-sm);
    min-width: 18px;
    text-align: center;
    line-height: 1.2;
    margin-left: var(--pwcp-space-xs);
}

/* -----------------------------------------------------------------------------
 * 6.0 - TAB CONTENT
 * -------------------------------------------------------------------------- */

/* 6.1 - Tab Panels
---------------------------------------------------------------------------- */

.pwcp-tab-content {
    background: var(--pwcp-white);
    border: 1px solid var(--pwcp-gray-200);
    border-top: none;
    border-radius: 0 0 var(--pwcp-radius-lg) var(--pwcp-radius-lg);
    box-shadow: var(--pwcp-shadow-sm);
    min-height: 500px;
    margin-bottom: 0;
}

.pwcp-tab-panel {
    display: none;
    padding: var(--pwcp-space-2xl) var(--pwcp-space-xl);
    animation: pwcp-fade-in 0.2s ease;
}

.pwcp-tab-panel.pwcp-tab-active {
    display: block;
}

/* 6.2 - Panel Headers
---------------------------------------------------------------------------- */

.pwcp-panel-header {
    margin-bottom: var(--pwcp-space-xl);
    padding-bottom: var(--pwcp-space-lg);
    border-bottom: 1px solid var(--pwcp-gray-200);
    position: relative;
}

.pwcp-panel-title {
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 var(--pwcp-space-sm) 0;
    color: var(--pwcp-gray-900);
}

.pwcp-panel-description {
    font-size: 0.9375rem;
    color: var(--pwcp-gray-600);
    margin: 0;
    line-height: 1.5;
}

.pwcp-panel-actions {
    position: absolute;
    top: 0;
    right: 0;
}

/* -----------------------------------------------------------------------------
 * 7.0 - FORM ELEMENTS
 * -------------------------------------------------------------------------- */

/* 7.1 - Form Grid & Sections
---------------------------------------------------------------------------- */

.pwcp-form-grid {
    display: grid;
    gap: var(--pwcp-space-xl);
}

.pwcp-form-section {
    background: var(--pwcp-gray-25);
    padding: var(--pwcp-space-xl);
    border-radius: var(--pwcp-radius-lg);
    border: 1px solid var(--pwcp-gray-200);
}

/* 7.2 - Field Groups
---------------------------------------------------------------------------- */

.pwcp-field-group {
    margin-bottom: var(--pwcp-space-lg);
}

.pwcp-field-group:last-child {
    margin-bottom: 0;
}

.pwcp-field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pwcp-gray-700);
    margin-bottom: var(--pwcp-space-sm);
}

.pwcp-field-label.pwcp-required::after {
    content: ' *';
    color: var(--pwcp-error);
    font-weight: 700;
}

/* 7.3 - Input Elements
---------------------------------------------------------------------------- */

.pwcp-input-wrapper,
.pwcp-textarea-wrapper,
.pwcp-select-wrapper {
    position: relative;
}

.pwcp-input-modern,
.pwcp-textarea-modern,
.pwcp-select-modern {
    width: 100%;
    padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--pwcp-gray-900);
    background: var(--pwcp-white);
    border: 1px solid var(--pwcp-gray-300);
    border-radius: var(--pwcp-radius-md);
    transition: var(--pwcp-transition);
    box-shadow: var(--pwcp-shadow-xs);
}

.pwcp-input-modern:focus,
.pwcp-textarea-modern:focus,
.pwcp-select-modern:focus {
    outline: none;
    border-color: var(--pwcp-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), var(--pwcp-shadow-sm);
}

.pwcp-textarea-modern {
    resize: vertical;
    min-height: 100px;
    line-height: 1.5;
}

.pwcp-select-modern {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 0.75rem center;
    background-repeat: no-repeat;
    background-size: 1.25em 1.25em;
    padding-right: 2.5rem;
    cursor: pointer;
}

/* 7.4 - Field Hints
---------------------------------------------------------------------------- */

.pwcp-field-hint {
    font-size: 0.8125rem;
    color: var(--pwcp-gray-500);
    margin-top: var(--pwcp-space-xs);
    line-height: 1.4;
}

/* -----------------------------------------------------------------------------
 * 8.0 - STRATEGY CARDS
 * -------------------------------------------------------------------------- */

/* 8.1 - Strategy Grid
---------------------------------------------------------------------------- */

.pwcp-strategy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--pwcp-space-lg);
    margin-top: var(--pwcp-space-lg);
}

.pwcp-strategy-card {
    position: relative;
}

.pwcp-strategy-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pwcp-strategy-label {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-lg);
    padding: var(--pwcp-space-xl);
    background: var(--pwcp-white);
    border: 2px solid var(--pwcp-gray-200);
    border-radius: var(--pwcp-radius-lg);
    cursor: pointer;
    transition: var(--pwcp-transition);
    position: relative;
    overflow: hidden;
    height: 100%;
    min-height: 100px;
}

.pwcp-strategy-label:hover {
    border-color: var(--pwcp-primary);
    transform: translateY(-2px);
    box-shadow: var(--pwcp-shadow-md);
}

.pwcp-strategy-input:checked + .pwcp-strategy-label {
    border-color: var(--pwcp-primary);
    background: rgba(99, 102, 241, 0.03);
    box-shadow: 0 0 0 1px var(--pwcp-primary);
}

/* 8.2 - Strategy Icons
---------------------------------------------------------------------------- */

.pwcp-strategy-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--pwcp-radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: var(--pwcp-transition);
}

.pwcp-icon-global {
    background: linear-gradient(135deg, #3b82f6 0%, #1d4ed8 100%);
}

.pwcp-icon-product {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
}

.pwcp-icon-category {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
}

.pwcp-strategy-icon::before {
    content: '';
    width: 24px;
    height: 24px;
    background: var(--pwcp-white);
    mask-size: contain;
    mask-repeat: no-repeat;
    mask-position: center;
}

.pwcp-icon-global::before {
    mask-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M3.055 11H5a2 2 0 012 2v1a2 2 0 002 2 2 2 0 012 2v2.945M8 3.935V5.5A2.5 2.5 0 0010.5 8h.5a2 2 0 012 2 2 2 0 104 0 2 2 0 012-2h1.064M15 20.488V18a2 2 0 012-2h3.064M21 12a9 9 0 11-18 0 9 9 0 0118 0z'/%3e%3c/svg%3e");
}

.pwcp-icon-product::before {
    mask-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M20 7l-8-4-8 4m16 0l-8 4m8-4v10l-8 4m0-10L4 7m8 4v10M4 7v10l8 4'/%3e%3c/svg%3e");
}

.pwcp-icon-category::before {
    mask-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='currentColor'%3e%3cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 11H5m14 0a2 2 0 012 2v6a2 2 0 01-2 2H5a2 2 0 01-2-2v-6a2 2 0 012-2m14 0V9a2 2 0 00-2-2M5 11V9a2 2 0 012-2m0 0V5a2 2 0 012-2h6a2 2 0 012 2v2M7 7h10'/%3e%3c/svg%3e");
}

.pwcp-strategy-content {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
}

.pwcp-strategy-title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--pwcp-gray-900);
    margin: 0 0 var(--pwcp-space-xs) 0;
}

.pwcp-strategy-desc {
    font-size: 0.875rem;
    color: var(--pwcp-gray-600);
    margin: 0;
    line-height: 1.4;
}

/* 8.3 - Strategy Selection States
---------------------------------------------------------------------------- */

.pwcp-strategy-check {
    width: 20px;
    height: 20px;
    border: 2px solid var(--pwcp-gray-300);
    border-radius: 50%;
    background: var(--pwcp-white);
    position: relative;
    transition: var(--pwcp-transition);
    flex-shrink: 0;
    align-self: center;
}

.pwcp-strategy-check::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 10px;
    height: 10px;
    background: var(--pwcp-primary);
    border-radius: 50%;
    transform: translate(-50%, -50%) scale(0);
    transition: var(--pwcp-transition);
}

.pwcp-strategy-input:checked + .pwcp-strategy-label .pwcp-strategy-check {
    border-color: var(--pwcp-primary);
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwcp-strategy-input:checked + .pwcp-strategy-label .pwcp-strategy-check::after {
    content: '✓';
    background: none;
    color: var(--pwcp-white);
    font-size: 11px;
    font-weight: bold;
    line-height: 1;
    position: static;
    transform: none;
    width: auto;
    height: auto;
    display: flex;
    align-items: center;
    justify-content: center;
}

/* -----------------------------------------------------------------------------
 * 9.0 - FORMULA WORKSPACE
 * -------------------------------------------------------------------------- */

.pwcp-formula-workspace {
    display: grid;
    gap: var(--pwcp-space-xl);
}

/* 9.1 - Formula Editor
---------------------------------------------------------------------------- */

.pwcp-formula-editor-container {
    background: var(--pwcp-gray-25);
    border-radius: var(--pwcp-radius-lg);
    padding: var(--pwcp-space-xl);
    border: 1px solid var(--pwcp-gray-200);
    overflow: hidden;
}

/* 9.2 - Formula Toolbar
---------------------------------------------------------------------------- */

.pwcp-formula-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: var(--pwcp-space-lg);
    padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-md);
    border: 1px solid var(--pwcp-gray-200);
    box-shadow: var(--pwcp-shadow-xs);
    overflow-x: auto;
}

.pwcp-toolbar-section {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-md);
    flex-shrink: 0;
}

.pwcp-toolbar-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pwcp-gray-700);
    white-space: nowrap;
}

.pwcp-operator-buttons {
    display: flex;
    gap: var(--pwcp-space-xs);
    flex-wrap: wrap;
}

.pwcp-operator-btn {
    min-width: 34px;
    height: 34px;
    padding: 0 11px;
    box-sizing: border-box;
    border: 1px solid var(--pwcp-gray-300);
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-md);
    font-weight: 600;
    color: var(--pwcp-gray-700);
    cursor: pointer;
    transition: var(--pwcp-transition);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 0.875rem;
    line-height: 1;
    white-space: nowrap;
    flex-shrink: 0;
}

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

/* 9.3 - Formula Input
---------------------------------------------------------------------------- */

.pwcp-formula-input-container {
    position: relative;
    margin-bottom: var(--pwcp-space-lg);
    overflow: hidden;
    border-radius: var(--pwcp-radius-md);
}

.pwcp-formula-input {
    width: 100%;
    min-height: 180px;
    padding: var(--pwcp-space-lg);
    padding-left: 50px;
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    line-height: 1.6;
    color: var(--pwcp-white);
    background: linear-gradient(135deg, #1e293b 0%, #0f172a 100%);
    border: 1px solid var(--pwcp-gray-300);
    border-radius: var(--pwcp-radius-md);
    resize: vertical;
    transition: var(--pwcp-transition);
    box-shadow: inset 0 2px 4px rgba(0, 0, 0, 0.1);
    box-sizing: border-box;
    overflow-x: auto;
    white-space: nowrap;
}

.pwcp-formula-input:focus {
    outline: none;
    border-color: var(--pwcp-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1), inset 0 2px 4px rgba(0, 0, 0, 0.1);
}

.pwcp-formula-input::placeholder {
    color: var(--pwcp-gray-400);
    font-style: italic;
}

.pwcp-formula-line-numbers {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 100%;
    background: rgba(0, 0, 0, 0.1);
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--pwcp-radius-md) 0 0 var(--pwcp-radius-md);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.75rem;
    color: rgba(255, 255, 255, 0.5);
    padding: var(--pwcp-space-lg) var(--pwcp-space-sm);
    line-height: 1.6;
    user-select: none;
    pointer-events: none;
    overflow: hidden;
    box-sizing: border-box;
}

/* 9.4 - Formula Status
---------------------------------------------------------------------------- */

.pwcp-formula-status {
    margin-bottom: var(--pwcp-space-lg);
}

.pwcp-status-indicator {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
    padding: var(--pwcp-space-md);
    border-radius: var(--pwcp-radius-md);
    font-size: 0.875rem;
    font-weight: 500;
    overflow: hidden;
}

.pwcp-status-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

.pwcp-status-pending {
    background: rgba(245, 158, 11, 0.1);
    color: var(--pwcp-warning);
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.pwcp-status-valid {
    background: rgba(16, 185, 129, 0.1);
    color: var(--pwcp-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.pwcp-status-invalid {
    background: rgba(239, 68, 68, 0.1);
    color: var(--pwcp-error);
    border: 1px solid rgba(239, 68, 68, 0.2);
}

/* 9.5 - Formula Examples
---------------------------------------------------------------------------- */

.pwcp-examples-section {
    background: var(--pwcp-white);
    padding: var(--pwcp-space-xl);
    border-radius: var(--pwcp-radius-lg);
    border: 1px solid var(--pwcp-gray-200);
    overflow: hidden;
}

.pwcp-examples-section h4 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 var(--pwcp-space-lg) 0;
    color: var(--pwcp-gray-800);
}

.pwcp-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--pwcp-space-md);
}

.pwcp-example-card {
    padding: var(--pwcp-space-lg);
    background: var(--pwcp-gray-50);
    border: 1px solid var(--pwcp-gray-200);
    border-radius: var(--pwcp-radius-md);
    cursor: pointer;
    transition: var(--pwcp-transition);
    overflow: hidden;
}

.pwcp-example-card:hover {
    border-color: var(--pwcp-primary);
    background: var(--pwcp-white);
    transform: translateY(-1px);
    box-shadow: var(--pwcp-shadow-sm);
}

.pwcp-example-code {
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.8125rem;
    color: var(--pwcp-primary);
    background: rgba(99, 102, 241, 0.1);
    padding: var(--pwcp-space-sm) var(--pwcp-space-md);
    border-radius: var(--pwcp-radius-sm);
    margin-bottom: var(--pwcp-space-sm);
    word-break: break-all;
    overflow-wrap: break-word;
}

.pwcp-example-desc {
    font-size: 0.8125rem;
    color: var(--pwcp-gray-600);
    margin: 0;
}

/* -----------------------------------------------------------------------------
 * 10.0 - FIELD MANAGEMENT
 * -------------------------------------------------------------------------- */

/* 10.1 - Fields Container
---------------------------------------------------------------------------- */

.pwcp-fields-workspace {
    background: var(--pwcp-gray-25);
    border-radius: var(--pwcp-radius-lg);
    padding: var(--pwcp-space-xl);
    border: 1px solid var(--pwcp-gray-200);
}

.pwcp-fields-container {
    display: grid;
    gap: var(--pwcp-space-lg);
}

/* 10.2 - Modern Field Cards
---------------------------------------------------------------------------- */

.pwcp-modern-field {
    background: var(--pwcp-white);
    border: 1px solid var(--pwcp-gray-200);
    border-radius: var(--pwcp-radius-lg);
    box-shadow: var(--pwcp-shadow-xs);
    transition: var(--pwcp-transition);
    overflow: hidden;
}

.pwcp-modern-field:hover {
    transform: translateY(-1px);
    box-shadow: var(--pwcp-shadow-sm);
    border-color: var(--pwcp-primary);
}

/* 10.3 - Field Headers
---------------------------------------------------------------------------- */

.pwcp-field-header {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-md);
    padding: var(--pwcp-space-lg);
    background: var(--pwcp-gray-50);
    border-bottom: 1px solid var(--pwcp-gray-200);
    cursor: pointer;
    transition: var(--pwcp-transition);
}

.pwcp-field-header:hover {
    background: var(--pwcp-gray-100);
}

.pwcp-field-drag-handle {
    color: var(--pwcp-gray-400);
    cursor: grab;
    padding: var(--pwcp-space-xs);
    border-radius: var(--pwcp-radius-sm);
    transition: var(--pwcp-transition);
}

.pwcp-field-drag-handle:hover {
    color: var(--pwcp-gray-600);
    background: var(--pwcp-gray-200);
}

.pwcp-drag-icon {
    width: 16px;
    height: 16px;
}

.pwcp-field-info {
    flex: 1;
}

.pwcp-field-title {
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pwcp-gray-900);
    margin-bottom: var(--pwcp-space-xs);
}

.pwcp-field-meta {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
    flex-wrap: wrap;
}

/* 10.4 - Field Actions
---------------------------------------------------------------------------- */

.pwcp-field-actions {
    display: flex;
    gap: var(--pwcp-space-xs);
}

.pwcp-field-btn {
    width: 32px;
    height: 32px;
    border: 1px solid var(--pwcp-gray-300);
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-md);
    color: var(--pwcp-gray-600);
    cursor: pointer;
    transition: var(--pwcp-transition);
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.pwcp-field-btn svg {
    width: 14px;
    height: 14px;
}

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

/* 10.5 - Field Type Badges
---------------------------------------------------------------------------- */

.pwcp-field-type-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: var(--pwcp-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.pwcp-type-text {
    background: rgba(59, 130, 246, 0.1);
    color: #1e40af;
}

.pwcp-type-number {
    background: rgba(16, 185, 129, 0.1);
    color: #047857;
}

.pwcp-type-dropdown,
.pwcp-type-radio,
.pwcp-type-checkbox {
    background: rgba(139, 92, 246, 0.1);
    color: #6b21a8;
}

.pwcp-type-slider {
    background: rgba(245, 101, 101, 0.1);
    color: #b91c1c;
}

.pwcp-field-required-badge {
    font-size: 0.6875rem;
    font-weight: 600;
    padding: 2px var(--pwcp-space-sm);
    background: rgba(239, 68, 68, 0.1);
    color: var(--pwcp-error);
    border-radius: var(--pwcp-radius-sm);
    text-transform: uppercase;
    letter-spacing: 0.025em;
}

/* -----------------------------------------------------------------------------
 * 11.0 - BUTTONS & ACTIONS
 * -------------------------------------------------------------------------- */

/* 11.1 - Button Base Styles
---------------------------------------------------------------------------- */

.pwcp-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
    padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    font-family: inherit;
    font-size: 0.875rem;
    font-weight: 600;
    text-decoration: none;
    border: 1px solid transparent;
    border-radius: var(--pwcp-radius-md);
    cursor: pointer;
    transition: var(--pwcp-transition);
    white-space: nowrap;
    position: relative;
    text-align: center;
    vertical-align: middle;
    background: none;
    outline: none;
    line-height: 1.2;
}

.pwcp-btn:focus {
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
}

.pwcp-icon {
    width: 16px;
    height: 16px;
    flex-shrink: 0;
}

/* 11.2 - Button Variants
---------------------------------------------------------------------------- */

.pwcp-btn-primary {
    background: linear-gradient(135deg, var(--pwcp-primary) 0%, var(--pwcp-secondary) 100%);
    color: var(--pwcp-white);
    border-color: var(--pwcp-primary);
    box-shadow: var(--pwcp-shadow-sm);
}

.pwcp-btn-primary:hover {
    transform: translateY(-1px);
    box-shadow: var(--pwcp-shadow-md);
    color: var(--pwcp-white);
    text-decoration: none;
}

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

.pwcp-btn-outline:hover {
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
    text-decoration: none;
}

.pwcp-btn-ghost {
    background: transparent;
    color: var(--pwcp-gray-600);
    border-color: var(--pwcp-gray-300);
}

.pwcp-btn-ghost:hover {
    background: var(--pwcp-gray-100);
    border-color: var(--pwcp-gray-400);
    color: var(--pwcp-gray-700);
    text-decoration: none;
}

.pwcp-btn-sm {
    padding: var(--pwcp-space-sm) var(--pwcp-space-md);
    font-size: 0.8125rem;
}

.pwcp-btn-lg {
    padding: var(--pwcp-space-lg) var(--pwcp-space-xl);
    font-size: 0.9375rem;
}

.pwcp-btn-success {
    background: var(--pwcp-success);
    color: var(--pwcp-white);
    border-color: var(--pwcp-success);
}

.pwcp-btn-success:hover {
    background: #059669;
    border-color: #059669;
    color: var(--pwcp-white);
    text-decoration: none;
}

.pwcp-add-field {
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
    border-color: var(--pwcp-primary);
}

.pwcp-add-field:hover {
    background: var(--pwcp-primary-dark);
    border-color: var(--pwcp-primary-dark);
    color: var(--pwcp-white);
    text-decoration: none;
}

/* 11.3 - Button States
---------------------------------------------------------------------------- */

.pwcp-btn.pwcp-saving {
    opacity: 0.7;
    pointer-events: none;
    position: relative;
}

.pwcp-btn.pwcp-saving::after {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    margin: -8px 0 0 -8px;
    width: 16px;
    height: 16px;
    border: 2px solid transparent;
    border-top-color: currentColor;
    border-radius: 50%;
    animation: pwcp-spin 1s linear infinite;
}

/* -----------------------------------------------------------------------------
 * 12.0 - EMPTY STATES
 * -------------------------------------------------------------------------- */

/* 12.1 - Empty State Layout
---------------------------------------------------------------------------- */

.pwcp-empty-state {
    text-align: center;
    padding: var(--pwcp-space-3xl) var(--pwcp-space-xl);
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-lg);
    border: 2px dashed var(--pwcp-gray-300);
}

.pwcp-empty-illustration {
    margin-bottom: var(--pwcp-space-xl);
}

.pwcp-empty-icon {
    width: 100px;
    height: 75px;
    margin: 0 auto;
    opacity: 0.6;
}

.pwcp-empty-state h3 {
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pwcp-gray-800);
    margin: 0 0 var(--pwcp-space-sm) 0;
}

.pwcp-empty-state p {
    color: var(--pwcp-gray-600);
    margin: 0 0 var(--pwcp-space-xl) 0;
    line-height: 1.5;
    font-size: 0.9375rem;
}

/* 12.2 - Info Cards
---------------------------------------------------------------------------- */

.pwcp-info-card {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-lg);
    padding: var(--pwcp-space-xl);
    background: rgba(59, 130, 246, 0.03);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: var(--pwcp-radius-lg);
}

.pwcp-info-icon {
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--pwcp-info);
    color: var(--pwcp-white);
    border-radius: 50%;
    flex-shrink: 0;
}

.pwcp-info-icon svg {
    width: 20px;
    height: 20px;
}

.pwcp-info-content h4 {
    margin: 0 0 var(--pwcp-space-sm) 0;
    font-size: 1rem;
    font-weight: 600;
    color: var(--pwcp-gray-800);
}

.pwcp-info-content p {
    margin: 0;
    color: var(--pwcp-gray-600);
    line-height: 1.5;
    font-size: 0.875rem;
}

/* -----------------------------------------------------------------------------
 * 13.0 - SETTINGS & CONFIGURATION
 * -------------------------------------------------------------------------- */

/* 13.1 - Settings Grid
---------------------------------------------------------------------------- */

.pwcp-settings-grid {
    display: block;
}

/* 13.2 - Settings Sections
---------------------------------------------------------------------------- */

.pwcp-settings-section {
    width: 100%;
    margin: 0 auto;
    background: var(--pwcp-gray-25);
    padding: var(--pwcp-space-xl);
    border-radius: var(--pwcp-radius-lg);
    border: 1px solid var(--pwcp-gray-200);
    box-shadow: var(--pwcp-shadow-sm);
    /* Full-width card; fields spread across the row and collapse on narrow screens. */
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--pwcp-space-lg) var(--pwcp-space-xl);
    align-items: start;
}

.pwcp-settings-section h3 {
    grid-column: 1 / -1;
    font-size: 1rem;
    font-weight: 700;
    color: var(--pwcp-gray-800);
    margin: 0 0 var(--pwcp-space-sm) 0;
    padding-bottom: var(--pwcp-space-sm);
    border-bottom: 1px solid var(--pwcp-gray-200);
}

/* In the grid, spacing comes from the grid gap, not per-field margins. */
.pwcp-settings-section .pwcp-field-group {
    margin: 0;
}

/* -----------------------------------------------------------------------------
 * 14.0 - MODAL COMPONENTS
 * -------------------------------------------------------------------------- */

/* 14.1 - Modal Base Structure
---------------------------------------------------------------------------- */

.pwcp-modal {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    visibility: hidden;
    pointer-events: none;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1), visibility 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwcp-modal.pwcp-modal-open {
    opacity: 1;
    visibility: visible;
    pointer-events: all;
}

.pwcp-modal-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.7);
    cursor: pointer;
    opacity: 0;
    transition: opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwcp-modal.pwcp-modal-open .pwcp-modal-overlay {
    background: rgba(0, 0, 0, 0.7);
    opacity: 1;
}

.pwcp-modal-container {
    position: relative;
    background: var(--pwcp-white);
    border-radius: var(--pwcp-radius-xl);
    box-shadow: 0 25px 50px rgba(0, 0, 0, 0.15);
    max-width: 800px;
    width: 90vw;
    max-height: 90vh;
    overflow: hidden;
    border: 1px solid var(--pwcp-gray-200);
    transform: scale(0.9) translateY(20px);
    opacity: 0;
    transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwcp-modal.pwcp-modal-open .pwcp-modal-container {
    transform: scale(1) translateY(0);
    opacity: 1;
}

/* 14.2 - Modal Header
---------------------------------------------------------------------------- */

.pwcp-modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pwcp-space-xl) var(--pwcp-space-xl) var(--pwcp-space-lg) var(--pwcp-space-xl);
    border-bottom: 1px solid var(--pwcp-gray-200);
    background: linear-gradient(135deg, var(--pwcp-gray-25) 0%, var(--pwcp-white) 100%);
}

.pwcp-modal-title {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pwcp-gray-900);
    margin: 0;
}

.pwcp-modal-close {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--pwcp-gray-100);
    border-radius: 50%;
    color: var(--pwcp-gray-600);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
}

.pwcp-modal-close:hover {
    background: var(--pwcp-error);
    color: var(--pwcp-white);
    transform: rotate(90deg);
    box-shadow: 0 2px 8px rgba(239, 68, 68, 0.3);
}

.pwcp-modal-close:active {
    transform: rotate(90deg) scale(0.95);
}

.pwcp-modal-close svg {
    width: 18px;
    height: 18px;
    transition: transform 0.2s ease;
}

/* 14.3 - Modal Content
---------------------------------------------------------------------------- */

.pwcp-modal-content {
    padding: var(--pwcp-space-xl);
    max-height: 60vh;
    overflow-y: auto;
}

.pwcp-modal-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--pwcp-space-xl);
}

.pwcp-modal-section {
    background: var(--pwcp-gray-25);
    padding: var(--pwcp-space-lg);
    border-radius: var(--pwcp-radius-lg);
    border: 1px solid var(--pwcp-gray-200);
}

.pwcp-modal-section h4 {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pwcp-gray-800);
    margin: 0 0 var(--pwcp-space-lg) 0;
    padding-bottom: var(--pwcp-space-sm);
    border-bottom: 1px solid var(--pwcp-gray-200);
}

.pwcp-field-options {
    transition: var(--pwcp-transition-slow);
}

.pwcp-field-options.pwcp-hidden {
    display: none;
}

/* 14.4 - Modal Footer
---------------------------------------------------------------------------- */

.pwcp-modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: var(--pwcp-space-md);
    padding: var(--pwcp-space-lg) var(--pwcp-space-xl);
    border-top: 1px solid var(--pwcp-gray-200);
    background: var(--pwcp-gray-25);
}

body.pwcp-modal-active {
    overflow: hidden;
    padding-right: 0;
}

/* -----------------------------------------------------------------------------
 * 15.0 - FORMULA HELP MODAL
 * -------------------------------------------------------------------------- */

/* 15.1 - Help Modal Layout
---------------------------------------------------------------------------- */

.pwcp-formula-help-modal .pwcp-modal-container {
    max-width: 1000px;
    width: 95vw;
}

.pwcp-formula-help-modal .pwcp-modal-content {
    padding: var(--pwcp-space-2xl);
    max-height: 75vh;
    overflow-y: auto;
}

.pwcp-formula-help-modal .pwcp-modal-grid {
    gap: var(--pwcp-space-2xl);
    margin-bottom: var(--pwcp-space-xl);
}

/* 15.2 - Help Modal Sections
---------------------------------------------------------------------------- */

.pwcp-formula-help-modal .pwcp-modal-section {
    padding: var(--pwcp-space-2xl);
    background: linear-gradient(135deg, var(--pwcp-gray-25) 0%, var(--pwcp-white) 100%);
    border: 1px solid var(--pwcp-gray-200);
    border-radius: var(--pwcp-radius-xl);
    box-shadow: var(--pwcp-shadow-sm);
}

.pwcp-formula-help-modal .pwcp-modal-section h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--pwcp-primary);
    margin: 0 0 var(--pwcp-space-xl) 0;
    padding-bottom: var(--pwcp-space-md);
    border-bottom: 2px solid var(--pwcp-primary-light);
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
}

.pwcp-formula-help-modal .pwcp-field-group {
    margin-bottom: var(--pwcp-space-xl);
}

.pwcp-formula-help-modal .pwcp-field-group:last-child {
    margin-bottom: 0;
}

.pwcp-formula-help-modal .pwcp-field-label {
    font-size: 1rem;
    font-weight: 600;
    color: var(--pwcp-gray-800);
    margin-bottom: var(--pwcp-space-sm);
    display: block;
}

.pwcp-formula-help-modal .pwcp-field-hint {
    font-size: 0.9375rem;
    line-height: 1.7;
    color: var(--pwcp-gray-700);
}

.pwcp-formula-help-modal .pwcp-field-hint code {
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
    padding: 3px 8px;
    border-radius: var(--pwcp-radius-sm);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    font-weight: 500;
    box-shadow: 0 1px 2px rgba(99, 102, 241, 0.2);
}

.pwcp-formula-help-modal .pwcp-field-hint strong {
    color: var(--pwcp-gray-900);
    font-weight: 600;
}

.pwcp-formula-help-modal .pwcp-field-hint br + br {
    display: block;
    content: "";
    margin-top: var(--pwcp-space-sm);
}

.pwcp-formula-help-modal .pwcp-modal-content::-webkit-scrollbar {
    width: 6px;
}

.pwcp-formula-help-modal .pwcp-modal-content::-webkit-scrollbar-track {
    background: transparent;
    border-radius: 3px;
}

.pwcp-formula-help-modal .pwcp-modal-content::-webkit-scrollbar-thumb {
    background: rgba(99, 102, 241, 0.7);
    border-radius: 3px;
    transition: background 0.2s ease;
}

.pwcp-formula-help-modal .pwcp-modal-content::-webkit-scrollbar-thumb:hover {
    background: rgba(99, 102, 241, 0.5);
}

/* -----------------------------------------------------------------------------
 * 16.0 - NOTIFICATION SYSTEM
 * -------------------------------------------------------------------------- */

/* 16.1 - Notification Base
---------------------------------------------------------------------------- */

.pwcp-notification {
    position: fixed;
    top: 20px;
    right: 20px;
    background: white;
    border-radius: 6px;
    border-left: 4px solid var(--pwcp-primary);
    padding: 16px 24px 16px 20px;
    max-width: 380px;
    z-index: 100000;
    transform: translateX(400px);
    opacity: 0;
    transition: all 0.3s ease-out;
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.pwcp-notification.pwcp-notification-show {
    transform: translateX(0);
    opacity: 1;
}

/* 16.2 - Notification Variants
---------------------------------------------------------------------------- */

.pwcp-notification.pwcp-notification-success {
    border-left-color: var(--pwcp-success);
    background: linear-gradient(135deg, #f0fdf4 0%, #ffffff 100%);
}

.pwcp-notification.pwcp-notification-error {
    border-left-color: var(--pwcp-error);
    background: linear-gradient(135deg, #fef2f2 0%, #ffffff 100%);
}

.pwcp-notification.pwcp-notification-warning {
    border-left-color: var(--pwcp-warning);
    background: linear-gradient(135deg, #fffbeb 0%, #ffffff 100%);
}

.pwcp-notification.pwcp-notification-info {
    border-left-color: var(--pwcp-info);
    background: linear-gradient(135deg, #eff6ff 0%, #ffffff 100%);
}

.pwcp-notification-icon {
    width: 18px;
    height: 18px;
    flex-shrink: 0;
    color: var(--pwcp-primary);
    font-size: 14px;
    font-weight: bold;
    display: flex;
    align-items: center;
    justify-content: center;
}

.pwcp-notification.pwcp-notification-success .pwcp-notification-icon {
    color: var(--pwcp-success);
}

.pwcp-notification.pwcp-notification-error .pwcp-notification-icon {
    color: var(--pwcp-error);
}

.pwcp-notification.pwcp-notification-warning .pwcp-notification-icon {
    color: var(--pwcp-warning);
}

.pwcp-notification.pwcp-notification-info .pwcp-notification-icon {
    color: var(--pwcp-info);
}

.pwcp-notification p {
    flex: 1;
    font-size: 0.875rem;
    color: var(--pwcp-gray-700);
    font-weight: 500;
    margin: 0;
    line-height: 1.4;
}

.pwcp-notification-close {
    background: none;
    border: none;
    color: var(--pwcp-gray-400);
    cursor: pointer;
    padding: 2px;
    font-size: 18px;
    line-height: 1;
    transition: all 0.2s ease;
    border-radius: 4px;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.pwcp-notification-close:hover {
    color: var(--pwcp-gray-600);
    background: rgba(0, 0, 0, 0.05);
}

.pwcp-notification-close:focus {
    outline: 2px solid var(--pwcp-primary);
    outline-offset: 2px;
}

/* -----------------------------------------------------------------------------
 * 17.0 - ENHANCED FIELD MANAGEMENT
 * -------------------------------------------------------------------------- */

/* 17.1 - Field Validation States
---------------------------------------------------------------------------- */

.pwcp-field-valid {
    border-color: var(--pwcp-success);
    box-shadow: 0 0 0 1px rgba(16, 185, 129, 0.3);
}

.pwcp-field-error {
    border-color: var(--pwcp-error);
    box-shadow: 0 0 0 1px rgba(239, 68, 68, 0.3);
}

.pwcp-field-placeholder {
    background: rgba(99, 102, 241, 0.05);
    border: 2px dashed var(--pwcp-primary);
    border-radius: var(--pwcp-radius-md);
    padding: var(--pwcp-space-lg);
    margin: var(--pwcp-space-sm) 0;
    text-align: center;
    color: var(--pwcp-primary);
    font-weight: 500;
    font-size: 0.875rem;
}

.pwcp-field-error-message {
    color: var(--pwcp-error);
    font-size: 0.75rem;
    margin-top: 4px;
    display: none;
}

.pwcp-field-error-message:not(:empty) {
    display: block;
}

/* 17.2 - Category Assignment
---------------------------------------------------------------------------- */

.pwcp-categories-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: var(--pwcp-space-lg);
    margin-top: var(--pwcp-space-lg);
}

.pwcp-category-card {
    background: var(--pwcp-white);
    border: 2px solid var(--pwcp-gray-200);
    border-radius: var(--pwcp-radius-lg);
    padding: var(--pwcp-space-lg);
    cursor: pointer;
    transition: var(--pwcp-transition);
    position: relative;
    min-height: 80px;
    display: flex;
    align-items: center;
    margin-top: 10px;
}

.pwcp-category-card:hover {
    border-color: var(--pwcp-primary);
    transform: translateY(-2px);
    box-shadow: var(--pwcp-shadow-md);
}

.pwcp-category-card.pwcp-selected {
    border-color: var(--pwcp-primary);
    background: rgba(99, 102, 241, 0.03);
    box-shadow: 0 0 0 1px var(--pwcp-primary);
}

.pwcp-category-info {
    flex: 1;
}

.pwcp-category-info h4 {
    margin: 0 0 var(--pwcp-space-xs) 0;
    font-size: 0.9375rem;
    font-weight: 600;
    color: var(--pwcp-gray-900);
}

.pwcp-category-meta {
    font-size: 0.8125rem;
    color: var(--pwcp-gray-600);
    margin: 0;
}

.pwcp-category-check {
    position: absolute;
    top: var(--pwcp-space-sm);
    right: var(--pwcp-space-sm);
    width: 20px;
    height: 20px;
    border: 2px solid var(--pwcp-gray-300);
    border-radius: 50%;
    background: var(--pwcp-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--pwcp-transition);
    font-size: 11px;
    font-weight: bold;
}

.pwcp-category-card.pwcp-selected .pwcp-category-check {
    border-color: var(--pwcp-primary);
    background: var(--pwcp-primary);
    color: var(--pwcp-white);
}

.pwcp-category-check::after {
    content: '✓';
    opacity: 0;
    transition: var(--pwcp-transition);
}

.pwcp-category-card.pwcp-selected .pwcp-category-check::after {
    opacity: 1;
}

.pwcp-shortcode-block {
    background: var(--pwcp-gray-900);
    color: #10b981;
    padding: var(--pwcp-space-md);
    border-radius: var(--pwcp-radius-md);
    font-family: 'Monaco', 'Menlo', 'Ubuntu Mono', monospace;
    font-size: 0.875rem;
    border: 1px solid var(--pwcp-gray-700);
    margin-top: var(--pwcp-space-sm);
}

/* 17.3 - Checkbox Groups
---------------------------------------------------------------------------- */

.pwcp-checkbox-group {
    margin-top: var(--pwcp-space-md);
}

/* Field editor modal: looser vertical rhythm so the settings don't feel cramped.
   Scoped to #pwcp-field-modal so the main form tabs keep their own spacing. */
#pwcp-field-modal .pwcp-modal-section .pwcp-field-group {
    margin-bottom: var(--pwcp-space-xl);
}

#pwcp-field-modal .pwcp-checkbox-group {
    margin-top: var(--pwcp-space-lg);
    margin-bottom: var(--pwcp-space-lg);
}

#pwcp-field-modal .pwcp-field-hint {
    margin-top: var(--pwcp-space-sm);
    line-height: 1.6;
}

.pwcp-checkbox-label {
    display: flex;
    align-items: center;
    gap: var(--pwcp-space-sm);
    cursor: pointer;
    font-size: 0.875rem;
    color: var(--pwcp-gray-700);
}

.pwcp-checkbox-input {
    position: absolute;
    opacity: 0;
    pointer-events: none;
}

.pwcp-checkbox-custom {
    width: 18px;
    height: 18px;
    border: 2px solid var(--pwcp-gray-300);
    border-radius: var(--pwcp-radius-sm);
    background: var(--pwcp-white);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--pwcp-transition);
    flex-shrink: 0;
}

.pwcp-checkbox-input:checked + .pwcp-checkbox-custom {
    background: var(--pwcp-primary);
    border-color: var(--pwcp-primary);
    color: var(--pwcp-white);
}

.pwcp-checkbox-input:checked + .pwcp-checkbox-custom::after {
    content: '✓';
    font-size: 12px;
    font-weight: bold;
}

.pwcp-status-active {
    background: rgba(16, 185, 129, 0.1);
    color: var(--pwcp-success);
    border: 1px solid rgba(16, 185, 129, 0.2);
}

.pwcp-status-inactive {
    background: rgba(107, 114, 128, 0.1);
    color: var(--pwcp-gray-600);
    border: 1px solid rgba(107, 114, 128, 0.2);
}

/* -----------------------------------------------------------------------------
 * 18.0 - UTILITY CLASSES
 * -------------------------------------------------------------------------- */

.pwcp-hidden {
    display: none;
}

.pwcp-hidden-initially {
    display: none;
}

.pwcp-error-icon {
    background: var(--pwcp-error);
}

.pwcp-warning-icon {
    background: var(--pwcp-warning);
}

.pwcp-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;
}

.pwcp-mb-md {
    margin-bottom: var(--pwcp-space-md);
}

/* -----------------------------------------------------------------------------
 * 19.0 - ANIMATIONS & TRANSITIONS
 * -------------------------------------------------------------------------- */

@keyframes pwcp-fade-in {
    from {
        opacity: 0;
        transform: translateY(5px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pwcp-float-subtle {
    0%, 100% {
        transform: translateY(0) translateX(0);
    }
    33% {
        transform: translateY(-8px) translateX(4px);
    }
    66% {
        transform: translateY(4px) translateX(-2px);
    }
}

@keyframes pwcp-pulse-slow {
    0%, 100% {
        opacity: 0.15;
        transform: scale(1);
    }
    50% {
        opacity: 0.25;
        transform: scale(1.05);
    }
}

@keyframes pwcp-pulse-subtle {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(0.95);
    }
}

@keyframes pwcp-shimmer {
    0% {
        left: -100%;
    }
    100% {
        left: 100%;
    }
}

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

@keyframes pwcp-spin {
    from {
        transform: rotate(0deg);
    }
    to {
        transform: rotate(360deg);
    }
}

/* -----------------------------------------------------------------------------
 * 20.0 - ACCESSIBILITY FEATURES
 * -------------------------------------------------------------------------- */

.pwcp-modern-field:focus-within {
    box-shadow: 0 0 0 2px var(--pwcp-primary);
    border-color: var(--pwcp-primary);
}

.pwcp-input-modern:focus,
.pwcp-textarea-modern:focus,
.pwcp-select-modern:focus {
    outline: none;
    border-color: var(--pwcp-primary);
    box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

@media (prefers-contrast: high) {
    .pwcp-modern-field {
        border: 2px solid var(--pwcp-gray-900);
    }
    
    .pwcp-btn-primary {
        background: var(--pwcp-gray-900);
        color: var(--pwcp-white);
    }
    
    .pwcp-field-type-badge {
        border: 1px solid currentColor;
    }
}

@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms;
        animation-iteration-count: 1;
        transition-duration: 0.01ms;
    }
    
    .pwcp-hero-particles,
    .pwcp-hero-gradient {
        animation: none;
    }
    
    .pwcp-example-card,
    .pwcp-operator-btn,
    .pwcp-strategy-card {
        transition: none;
    }
}
/* -----------------------------------------------------------------------------
 * 21.0 - PRINT STYLES
 * -------------------------------------------------------------------------- */

@media print {
    .pwcp-hero-header,
    .pwcp-tab-navigation,
    .pwcp-action-bar,
    .pwcp-field-actions {
        display: none;
    }
    
    .pwcp-tab-panel {
        display: block;
        box-shadow: none;
        border: 1px solid var(--pwcp-gray-900);
    }
    
    .pwcp-modern-field {
        break-inside: avoid;
        box-shadow: none;
        border: 1px solid var(--pwcp-gray-900);
    }
    
    .pwcp-modern-admin {
        background: var(--pwcp-white);
    }
}

/* -----------------------------------------------------------------------------
 * 22.0 - RESPONSIVE MEDIA QUERIES
 * -------------------------------------------------------------------------- */

/* 22.1 - Small Mobile (up to 480px)
---------------------------------------------------------------------------- */

@media (max-width: 480px) {
    .pwcp-modern-container {
        padding: 0 var(--pwcp-space-sm);
    }
    
    .pwcp-hero-header {
        padding: var(--pwcp-space-3xl) var(--pwcp-space-md);
        margin: -10px -12px var(--pwcp-space-lg) -12px;
        min-height: 160px;
    }
    
    .pwcp-modern-admin.pwcp-page-add-calculator .pwcp-hero-title,
    .pwcp-modern-admin.pwcp-page-edit-calculator .pwcp-hero-title {
        font-size: 1.75rem;
    }
    
    .pwcp-hero-subtitle {
        font-size: 0.9375rem;
    }
    
    .pwcp-hero-content {
        flex-direction: column;
        text-align: left;
        align-items: flex-start;
    }
    
    .pwcp-hero-left {
        max-width: 100%;
    }
    
    .pwcp-hero-right {
        align-items: flex-start;
        width: 100%;
    }
    
    .pwcp-hero-actions {
        flex-wrap: wrap;
        justify-content: flex-start;
        width: 70%;
        gap: var(--pwcp-space-sm);
    }
    
    .pwcp-hero-actions .pwcp-btn {
        width: auto;
        justify-content: center;
        flex: 1;
        min-width: 120px;
    }
    
    .pwcp-hero-save-action .pwcp-btn {
        width: 100%;
        font-size: 0.875rem;
        font-weight: 600;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
        min-width: 180px;
    }
    
    .pwcp-progress-tracker {
        flex-direction: row;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
        gap: var(--pwcp-space-sm);
        flex-wrap: nowrap;
    }
    
    .pwcp-step-number {
        width: 24px;
        height: 24px;
        font-size: 0.6875rem;
    }
    
    .pwcp-step-label {
        font-size: 0.625rem;
        max-width: 50px;
    }
    
    .pwcp-progress-line {
        width: 12px;
        margin: 0 2px;
    }
    
    .pwcp-tab-navigation {
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    
    .pwcp-tab-navigation::-webkit-scrollbar {
        display: none;
    }
    
    .pwcp-tab-btn {
        padding: var(--pwcp-space-md) var(--pwcp-space-xs);
        min-width: 50px;
        flex-shrink: 0;
        flex-direction: column;
        gap: 2px;
        font-size: 0;
    }
    
    .pwcp-tab-btn .pwcp-tab-icon {
        width: 18px;
        height: 18px;
    }
    
    .pwcp-tab-btn span:not(.pwcp-tab-icon):not(.pwcp-field-count),
    .pwcp-tab-btn > *:not(.pwcp-tab-icon):not(.pwcp-field-count),
    .pwcp-tab-btn::after,
    .pwcp-tab-btn::before {
        display: none;
        visibility: hidden;
        opacity: 0;
        width: 0;
        height: 0;
        overflow: hidden;
        font-size: 0;
    }
    
    .pwcp-tab-btn {
        text-indent: -9999px;
        font-size: 0;
        line-height: 0;
    }
    
    .pwcp-tab-btn .pwcp-tab-icon {
        display: block;
        visibility: visible;
        opacity: 1;
        width: 18px;
        height: 18px;
        text-indent: 0;
        font-size: initial;
    }
    
    .pwcp-field-count {
        position: absolute;
        top: 6px;
        right: 6px;
        font-size: 0.6875rem;
        padding: 3px 6px;
        min-width: 16px;
        line-height: 1;
        display: block;
        visibility: visible;
        opacity: 1;
        text-indent: 0;
        border-radius: var(--pwcp-radius-sm);
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .pwcp-tab-panel {
        padding: var(--pwcp-space-md);
    }
    
    .pwcp-panel-title {
        font-size: 1.25rem;
    }
    
    .pwcp-form-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-examples-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-categories-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-modal-container {
        width: 98vw;
        margin: var(--pwcp-space-xs);
    }
    
    .pwcp-modal-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-modal-footer {
        flex-direction: column;
        gap: var(--pwcp-space-sm);
    }
    
    .pwcp-modal-footer .pwcp-btn {
        width: 100%;
    }
    
    .pwcp-panel-header {
        flex-direction: column;
        align-items: flex-start;
        text-align: left;
        position: relative;
    }
    
    .pwcp-panel-title {
        font-size: 1.25rem;
        margin-bottom: var(--pwcp-space-sm);
    }
    
    .pwcp-panel-description {
        font-size: 0.875rem;
        margin-bottom: var(--pwcp-space-lg);
    }
    
    .pwcp-panel-actions {
        position: static;
        width: 100%;
        display: flex;
        justify-content: flex-start;
        margin-top: var(--pwcp-space-md);
    }
    
    .pwcp-panel-actions .pwcp-btn {
        width: auto;
        max-width: 200px;
        justify-content: center;
        padding: var(--pwcp-space-sm) var(--pwcp-space-md);
    }
    
    .pwcp-fields-workspace {
        padding: var(--pwcp-space-md);
        overflow: hidden;
    }
    
    .pwcp-field-header {
        padding: var(--pwcp-space-md);
        gap: var(--pwcp-space-sm);
        flex-wrap: wrap;
    }
    
    .pwcp-field-info {
        min-width: 0;
        flex: 1;
    }
    
    .pwcp-field-title {
        font-size: 0.875rem;
        margin-bottom: var(--pwcp-space-xs);
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    
    .pwcp-field-meta {
        gap: var(--pwcp-space-xs);
        flex-wrap: wrap;
    }
    
    .pwcp-field-type-badge {
        font-size: 0.625rem;
        padding: 2px 4px;
    }
    
    .pwcp-field-required-badge {
        font-size: 0.625rem;
        padding: 2px var(--pwcp-space-xs);
    }
    
    .pwcp-field-actions {
        gap: var(--pwcp-space-xs);
        flex-shrink: 0;
    }
    
    .pwcp-field-btn {
        width: 28px;
        height: 28px;
    }
    
    .pwcp-field-btn svg {
        width: 12px;
        height: 12px;
    }
    
    .pwcp-empty-state {
        padding: var(--pwcp-space-xl) var(--pwcp-space-md);
        text-align: left;
    }
    
    .pwcp-empty-icon {
        width: 80px;
        height: 60px;
        margin: 0 0 var(--pwcp-space-lg) 0;
    }
    
    .pwcp-empty-state h3 {
        font-size: 1rem;
        margin-bottom: var(--pwcp-space-sm);
    }
    
    .pwcp-empty-state p {
        font-size: 0.875rem;
        margin-bottom: var(--pwcp-space-lg);
    }
    
    .pwcp-empty-state .pwcp-btn {
        width: auto;
        max-width: 200px;
        justify-content: center;
    }
    
    .pwcp-info-card {
        flex-direction: row;
        text-align: left;
        gap: var(--pwcp-space-md);
        padding: var(--pwcp-space-lg);
        align-items: flex-start;
    }
    
    .pwcp-info-icon {
        width: 32px;
        height: 32px;
        flex-shrink: 0;
    }
    
    .pwcp-info-content {
        flex: 1;
    }
    
    .pwcp-info-content h4 {
        font-size: 0.9375rem;
        margin-bottom: var(--pwcp-space-xs);
    }
    
    .pwcp-settings-grid {
        display: block;
        margin: 0;
    }
    
    .pwcp-settings-section {
        width: 100%;
        max-width: none;
        padding: var(--pwcp-space-lg);
        margin-bottom: var(--pwcp-space-lg);
    }
    
    .pwcp-settings-section h3 {
        font-size: 0.9375rem;
        margin-bottom: var(--pwcp-space-md);
        text-align: left;
    }
    
    .pwcp-field-group {
        margin-bottom: var(--pwcp-space-lg);
    }
    
    .pwcp-field-label {
        font-size: 0.875rem;
        margin-bottom: var(--pwcp-space-sm);
        text-align: left;
    }
    
    .pwcp-input-wrapper,
    .pwcp-select-wrapper {
        width: 100%;
    }
    
    .pwcp-input-modern,
    .pwcp-select-modern {
        width: 100%;
        padding: var(--pwcp-space-md);
        font-size: 0.875rem;
        min-height: 44px;
    }
    
    .pwcp-field-hint {
        font-size: 0.75rem;
        margin-top: var(--pwcp-space-xs);
        text-align: left;
    }
    
    .pwcp-formula-workspace {
        overflow: hidden;
    }
    
    .pwcp-formula-editor-container {
        padding: var(--pwcp-space-md);
        overflow: hidden;
    }
    
    .pwcp-formula-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: var(--pwcp-space-md);
        padding: var(--pwcp-space-md);
        overflow: hidden;
    }
    
    .pwcp-toolbar-section {
        justify-content: flex-start;
        flex-wrap: wrap;
        gap: var(--pwcp-space-sm);
    }
    
    .pwcp-toolbar-label {
        font-size: 0.8125rem;
        text-align: left;
        width: 100%;
        margin-bottom: var(--pwcp-space-xs);
    }
    
    .pwcp-operator-buttons {
        justify-content: flex-start;
        flex-wrap: wrap;
        width: 100%;
    }
    
    .pwcp-operator-btn {
        min-width: 30px;
        height: 30px;
        padding: 0 9px;
        font-size: 0.8125rem;
    }
    
    .pwcp-formula-input-container {
        overflow: hidden;
        border-radius: var(--pwcp-radius-md);
    }
    
    .pwcp-formula-input {
        min-height: 120px;
        padding: var(--pwcp-space-md);
        padding-left: 30px;
        font-size: 0.75rem;
        line-height: 1.4;
        overflow-x: auto;
        overflow-y: auto;
        white-space: pre-wrap;
        word-wrap: break-word;
        word-break: break-word;
    }
    
    .pwcp-formula-line-numbers {
        width: 25px;
        font-size: 0.625rem;
        padding: var(--pwcp-space-md) var(--pwcp-space-xs);
        line-height: 1.4;
    }
    
    .pwcp-examples-section {
        padding: var(--pwcp-space-md);
        overflow: hidden;
    }
    
    .pwcp-examples-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-example-card {
        padding: var(--pwcp-space-md);
    }
    
    .pwcp-example-code {
        font-size: 0.75rem;
        padding: var(--pwcp-space-xs) var(--pwcp-space-sm);
        word-break: break-all;
        overflow-wrap: break-word;
    }
    
    .pwcp-notification {
        top: 16px;
        right: 16px;
        left: 16px;
        max-width: none;
        transform: translateY(-100px);
        border-radius: 8px;
        padding: 14px 16px;
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    }
    
    .pwcp-notification.pwcp-notification-show {
        transform: translateY(0);
    }
    
    .pwcp-notification p {
        font-size: 0.8125rem;
    }
    
    .pwcp-notification-icon {
        width: 16px;
        height: 16px;
        font-size: 12px;
    }
    
    .pwcp-notification-close {
        width: 20px;
        height: 20px;
        font-size: 16px;
    }
    
    .pwcp-modal-container {
        width: 95vw;
        max-height: 95vh;
        margin: 2.5vh 2.5vw;
        transform: scale(0.95) translateY(30px);
    }
    
    .pwcp-modal.pwcp-modal-open .pwcp-modal-container {
        transform: scale(1) translateY(0);
    }
    
    .pwcp-modal-close {
        width: 32px;
        height: 32px;
    }
    
    .pwcp-modal-close svg {
        width: 16px;
        height: 16px;
    }
    
    .pwcp-formula-help-modal .pwcp-modal-container {
        width: 98vw;
        margin: 1vh;
    }
    
    .pwcp-formula-help-modal .pwcp-modal-content {
        padding: var(--pwcp-space-lg);
        max-height: 80vh;
    }
    
    .pwcp-formula-help-modal .pwcp-modal-grid {
        grid-template-columns: 1fr;
        gap: var(--pwcp-space-lg);
    }
    
    .pwcp-formula-help-modal .pwcp-modal-section {
        padding: var(--pwcp-space-lg);
    }
    
    .pwcp-formula-help-modal .pwcp-modal-section h4 {
        font-size: 1.125rem;
    }
}
/* End of 22.1 - Small Mobile */

/* 22.2 - Medium Mobile (481px - 640px)
---------------------------------------------------------------------------- */

@media (min-width: 481px) and (max-width: 640px) {
    .pwcp-hero-header {
        min-height: 180px;
    }
    
    .pwcp-modern-admin.pwcp-page-add-calculator .pwcp-hero-title,
    .pwcp-modern-admin.pwcp-page-edit-calculator .pwcp-hero-title {
        font-size: 2rem;
    }
    
    .pwcp-step-number {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }
    
    .pwcp-step-label {
        max-width: 60px;
    }
    
    .pwcp-progress-line {
        width: 16px;
    }
    
    .pwcp-tab-navigation {
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }
    
    .pwcp-tab-navigation::-webkit-scrollbar {
        display: none;
    }
    
    .pwcp-tab-btn {
        padding: var(--pwcp-space-md) var(--pwcp-space-sm);
        min-width: 60px;
        flex-shrink: 0;
        flex-direction: column;
        gap: 2px;
        font-size: 0;
    }
    
    .pwcp-tab-btn .pwcp-tab-icon {
        width: 20px;
        height: 20px;
    }
    
    .pwcp-tab-btn span:not(.pwcp-tab-icon):not(.pwcp-field-count),
    .pwcp-tab-btn > *:not(.pwcp-tab-icon):not(.pwcp-field-count),
    .pwcp-tab-btn::after,
    .pwcp-tab-btn::before {
        display: none;
        visibility: hidden;
        opacity: 0;
        width: 0;
        height: 0;
        overflow: hidden;
        font-size: 0;
    }
    
    .pwcp-tab-btn {
        text-indent: -9999px;
        font-size: 0;
        line-height: 0;
    }
    
    .pwcp-tab-btn .pwcp-tab-icon {
        display: block;
        visibility: visible;
        opacity: 1;
        width: 20px;
        height: 20px;
        text-indent: 0;
        font-size: initial;
    }
    
    .pwcp-field-count {
        position: absolute;
        top: 8px;
        right: 8px;
        font-size: 0.75rem;
        padding: 3px 6px;
        min-width: 18px;
        line-height: 1;
        display: block;
        visibility: visible;
        opacity: 1;
        text-indent: 0;
        border-radius: var(--pwcp-radius-sm);
        font-weight: 700;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    }
    
    .pwcp-strategy-grid {
        grid-template-columns: 1fr;
    }
    
    .pwcp-examples-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pwcp-modal-container {
        max-width: 500px;
    }
    
    .pwcp-modal-grid {
        grid-template-columns: 1fr 1fr;
    }
    
    .pwcp-hero-content,
    .pwcp-panel-header,
    .pwcp-empty-state,
    .pwcp-info-card,
    .pwcp-settings-section h3,
    .pwcp-toolbar-label {
        text-align: left;
    }
    
    .pwcp-hero-content {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .pwcp-hero-actions {
        justify-content: flex-start;
        gap: var(--pwcp-space-sm);
    }
    
    .pwcp-hero-actions .pwcp-btn {
        width: auto;
        flex: 1;
        min-width: 120px;
        font-size: 0.875rem;
        font-weight: 600;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    }
    
    .pwcp-hero-save-action .pwcp-btn {
        width: auto;
        min-width: 160px;
        font-size: 0.875rem;
        font-weight: 600;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    }
    
    .pwcp-settings-section {
        width: 80%;
    }
    
    .pwcp-hero-right {
        align-items: start;
        width: auto;
        text-align: right;
    }
}
/* End of 22.2 - Medium Mobile */

/* 22.3 - Tablet (641px - 768px)
---------------------------------------------------------------------------- */

@media (min-width: 641px) and (max-width: 768px) {
    .pwcp-hero-content {
        flex-direction: row;
        text-align: left;
        align-items: flex-start;
        justify-content: space-between;
    }
    
    .pwcp-hero-left {
        max-width: 60%;
        text-align: left;
    }
    
    .pwcp-hero-right {
        align-items: flex-end;
        width: auto;
        text-align: right;
    }
    
    .pwcp-hero-actions {
        justify-content: flex-end;
        width: auto;
    }
    
    .pwcp-hero-actions .pwcp-btn {
        width: auto;
        font-size: 0.875rem;
        font-weight: 600;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    }
    
    .pwcp-hero-save-action .pwcp-btn {
        width: auto;
        min-width: 160px;
        font-size: 0.875rem;
        font-weight: 600;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    }
    
    .pwcp-tab-btn {
        min-width: 120px;
        padding: var(--pwcp-space-md) var(--pwcp-space-lg);
    }
    
    .pwcp-tab-btn span:not(.pwcp-tab-icon):not(.pwcp-field-count) {
        font-size: 0.8125rem;
    }
    
    .pwcp-form-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pwcp-strategy-grid {
        grid-template-columns: 1fr;
        gap: var(--pwcp-space-md);
    }
    
    .pwcp-categories-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .pwcp-settings-section {
        width: 70%;
    }
}
/* End of 22.3 - Tablet */

/* 22.4 - Large Tablet (769px - 1024px)
---------------------------------------------------------------------------- */

@media (min-width: 769px) and (max-width: 1024px) {
    .pwcp-hero-header {
        min-height: 200px;
        padding: var(--pwcp-space-xl) var(--pwcp-space-lg);
    }
    
    .pwcp-modern-admin.pwcp-page-add-calculator .pwcp-hero-title,
    .pwcp-modern-admin.pwcp-page-edit-calculator .pwcp-hero-title {
        font-size: 2.5rem;
    }
    
    .pwcp-hero-subtitle {
        font-size: 1rem;
    }
    
    .pwcp-step-number {
        width: 32px;
        height: 32px;
        font-size: 0.8125rem;
    }
    
    .pwcp-step-label {
        font-size: 0.75rem;
        max-width: 80px;
    }
    
    .pwcp-progress-line {
        width: 24px;
        margin: 0 6px;
    }
    
    .pwcp-tab-btn {
        font-size: 0.875rem;
        min-width: 140px;
    }
    
    .pwcp-tab-btn span:not(.pwcp-tab-icon):not(.pwcp-field-count) {
        font-size: 0.875rem;
    }
    
    .pwcp-tab-panel {
        padding: var(--pwcp-space-xl);
    }
    
    .pwcp-panel-title {
        font-size: 1.5rem;
    }
    
    .pwcp-modal-container {
        max-width: 700px;
    }
    
    .pwcp-settings-section {
        width: 50%;
    }
}
/* End of 22.4 - Large Tablet */

/* End of Responsive Media Queries */