/**
 * PgMP Document Studio - Premium Styles
 * Based on The Standard for Program Management, Fifth Edition
 */

/* ============================================
   CSS Custom Properties (Design Tokens)
   ============================================ */
:root {
    /* Document Colors */
    --pgmp-bc-color: #2563EB;
    --pgmp-bc-light: #DBEAFE;
    --pgmp-bc-dark: #1E40AF;
    
    --pgmp-charter-color: #16A34A;
    --pgmp-charter-light: #DCFCE7;
    --pgmp-charter-dark: #166534;
    
    --pgmp-pmp-color: #EA580C;
    --pgmp-pmp-light: #FFEDD5;
    --pgmp-pmp-dark: #C2410C;
    
    --pgmp-crosswalk-color: #8B5CF6;
    --pgmp-crosswalk-light: #EDE9FE;
    
    /* Neutral Colors */
    --pgmp-bg: #F8FAFC;
    --pgmp-bg-card: #FFFFFF;
    --pgmp-bg-elevated: #FFFFFF;
    --pgmp-border: #E2E8F0;
    --pgmp-border-focus: #94A3B8;
    
    /* Text Colors */
    --pgmp-text-primary: #0F172A;
    --pgmp-text-secondary: #475569;
    --pgmp-text-muted: #94A3B8;
    
    /* Accent */
    --pgmp-accent: #6366F1;
    --pgmp-accent-light: #E0E7FF;
    
    /* Shadows */
    --pgmp-shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --pgmp-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --pgmp-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --pgmp-shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 8px 10px -6px rgba(0, 0, 0, 0.1);
    
    /* Spacing */
    --pgmp-spacing-xs: 0.25rem;
    --pgmp-spacing-sm: 0.5rem;
    --pgmp-spacing-md: 1rem;
    --pgmp-spacing-lg: 1.5rem;
    --pgmp-spacing-xl: 2rem;
    --pgmp-spacing-2xl: 3rem;
    
    /* Border Radius */
    --pgmp-radius-sm: 0.375rem;
    --pgmp-radius: 0.5rem;
    --pgmp-radius-lg: 0.75rem;
    --pgmp-radius-xl: 1rem;
    --pgmp-radius-full: 9999px;
    
    /* Typography */
    --pgmp-font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --pgmp-font-display: 'DM Sans', var(--pgmp-font-sans);
    
    /* Transitions */
    --pgmp-transition-fast: 150ms ease;
    --pgmp-transition: 200ms ease;
    --pgmp-transition-slow: 300ms ease;
}

/* Dark Theme */
.pgmp-theme-dark {
    --pgmp-bg: #0F172A;
    --pgmp-bg-card: #1E293B;
    --pgmp-bg-elevated: #334155;
    --pgmp-border: #334155;
    --pgmp-border-focus: #64748B;
    --pgmp-text-primary: #F8FAFC;
    --pgmp-text-secondary: #CBD5E1;
    --pgmp-text-muted: #64748B;
}

/* ============================================
   Base & Container
   ============================================ */
.pgmp-studio-container {
    font-family: var(--pgmp-font-sans);
    background: var(--pgmp-bg);
    color: var(--pgmp-text-primary);
    min-height: 100vh;
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

.pgmp-studio-container * {
    box-sizing: border-box;
}

.pgmp-studio-wrapper {
    max-width: 1920px;
    margin: 0 auto;
    padding: var(--pgmp-spacing-md);
}

/* ============================================
   Loading State
   ============================================ */
.pgmp-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 400px;
    gap: var(--pgmp-spacing-md);
}

.pgmp-loading-spinner {
    width: 48px;
    height: 48px;
    border: 3px solid var(--pgmp-border);
    border-top-color: var(--pgmp-accent);
    border-radius: 50%;
    animation: pgmp-spin 1s linear infinite;
}

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

/* ============================================
   Intro Animation
   ============================================ */
.pgmp-intro-container {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, #0F172A 0%, #1E293B 100%);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.pgmp-intro-animation {
    width: 100%;
    max-width: 800px;
    height: 400px;
}

.pgmp-skip-intro {
    position: absolute;
    bottom: 2rem;
    right: 2rem;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: white;
    padding: 0.75rem 1.5rem;
    border-radius: var(--pgmp-radius-full);
    cursor: pointer;
    font-size: 0.875rem;
    transition: var(--pgmp-transition);
}

.pgmp-skip-intro:hover {
    background: rgba(255, 255, 255, 0.2);
}

.pgmp-intro-hidden {
    display: none !important;
}

/* ============================================
   Header
   ============================================ */
.pgmp-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pgmp-spacing-lg) 0;
    border-bottom: 1px solid var(--pgmp-border);
    margin-bottom: var(--pgmp-spacing-lg);
}

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

.pgmp-logo {
    width: 48px;
    height: 48px;
    color: var(--pgmp-accent);
}

.pgmp-header-title h1 {
    font-family: var(--pgmp-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
    background: linear-gradient(135deg, var(--pgmp-bc-color), var(--pgmp-charter-color), var(--pgmp-pmp-color));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.pgmp-subtitle {
    font-size: 0.75rem;
    color: var(--pgmp-text-muted);
    display: block;
    margin-top: 0.125rem;
}

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

/* ============================================
   Buttons
   ============================================ */
.pgmp-btn {
    display: inline-flex;
    align-items: center;
    gap: var(--pgmp-spacing-sm);
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
    font-weight: 500;
    border-radius: var(--pgmp-radius);
    border: 1px solid var(--pgmp-border);
    background: var(--pgmp-bg-card);
    color: var(--pgmp-text-primary);
    cursor: pointer;
    transition: var(--pgmp-transition);
}

.pgmp-btn:hover {
    background: var(--pgmp-bg);
    border-color: var(--pgmp-border-focus);
}

.pgmp-btn svg {
    width: 16px;
    height: 16px;
}

.pgmp-btn-primary {
    background: var(--pgmp-accent);
    border-color: var(--pgmp-accent);
    color: white;
}

.pgmp-btn-primary:hover {
    background: #4F46E5;
    border-color: #4F46E5;
}

.pgmp-btn-story {
    background: linear-gradient(135deg, var(--pgmp-bc-color), var(--pgmp-charter-color));
    border: none;
    color: white;
}

.pgmp-btn-story:hover {
    opacity: 0.9;
}

.pgmp-btn-help {
    width: 36px;
    height: 36px;
    padding: 0;
    justify-content: center;
    border-radius: var(--pgmp-radius-full);
}

/* ============================================
   Tabs
   ============================================ */
.pgmp-tabs {
    display: flex;
    gap: var(--pgmp-spacing-xs);
    padding: var(--pgmp-spacing-sm);
    background: var(--pgmp-bg-card);
    border-radius: var(--pgmp-radius-lg);
    box-shadow: var(--pgmp-shadow);
    margin-bottom: var(--pgmp-spacing-md);
    overflow-x: auto;
}

.pgmp-tab {
    display: flex;
    align-items: center;
    gap: var(--pgmp-spacing-sm);
    padding: 0.75rem 1.25rem;
    font-size: 0.875rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--pgmp-text-secondary);
    border-radius: var(--pgmp-radius);
    cursor: pointer;
    transition: var(--pgmp-transition);
    white-space: nowrap;
}

.pgmp-tab svg {
    width: 18px;
    height: 18px;
    opacity: 0.7;
}

.pgmp-tab:hover {
    background: var(--pgmp-bg);
    color: var(--pgmp-text-primary);
}

.pgmp-tab.active {
    background: var(--pgmp-accent-light);
    color: var(--pgmp-accent);
}

.pgmp-tab.active svg {
    opacity: 1;
}

.pgmp-tab[data-tab="business_case"].active {
    background: var(--pgmp-bc-light);
    color: var(--pgmp-bc-color);
}

.pgmp-tab[data-tab="program_charter"].active {
    background: var(--pgmp-charter-light);
    color: var(--pgmp-charter-color);
}

.pgmp-tab[data-tab="program_management_plan"].active {
    background: var(--pgmp-pmp-light);
    color: var(--pgmp-pmp-color);
}

.pgmp-tab[data-tab="crosswalk"].active {
    background: var(--pgmp-crosswalk-light);
    color: var(--pgmp-crosswalk-color);
}

/* ============================================
   Toolbar
   ============================================ */
.pgmp-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pgmp-spacing-sm) var(--pgmp-spacing-md);
    background: var(--pgmp-bg-card);
    border-radius: var(--pgmp-radius);
    margin-bottom: var(--pgmp-spacing-md);
    box-shadow: var(--pgmp-shadow-sm);
}

.pgmp-mode-switcher {
    display: flex;
    gap: var(--pgmp-spacing-xs);
}

.pgmp-mode {
    display: flex;
    align-items: center;
    gap: var(--pgmp-spacing-xs);
    padding: 0.5rem 0.75rem;
    font-size: 0.8125rem;
    font-weight: 500;
    border: none;
    background: transparent;
    color: var(--pgmp-text-muted);
    border-radius: var(--pgmp-radius-sm);
    cursor: pointer;
    transition: var(--pgmp-transition);
}

.pgmp-mode svg {
    width: 14px;
    height: 14px;
}

.pgmp-mode:hover {
    background: var(--pgmp-bg);
    color: var(--pgmp-text-secondary);
}

.pgmp-mode.active {
    background: var(--pgmp-accent);
    color: white;
}

/* ============================================
   Main Content Layout
   ============================================ */
.pgmp-main {
    display: grid;
    grid-template-columns: 1fr 360px;
    gap: var(--pgmp-spacing-lg);
    min-height: 600px;
}

.pgmp-content-panel {
    background: var(--pgmp-bg-card);
    border-radius: var(--pgmp-radius-lg);
    box-shadow: var(--pgmp-shadow);
    overflow: hidden;
}

.pgmp-view {
    display: none;
    padding: var(--pgmp-spacing-lg);
    height: 100%;
    overflow: auto;
}

.pgmp-view.active {
    display: block;
}

/* ============================================
   Document Map View
   ============================================ */
.pgmp-map-container {
    position: relative;
    min-height: 600px;
}

.pgmp-connections-layer {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 1;
}

.pgmp-connection-path {
    fill: none;
    stroke: var(--pgmp-border);
    stroke-width: 1.5;
    stroke-dasharray: 4 2;
    opacity: 0.3;
    transition: var(--pgmp-transition);
}

.pgmp-connection-path.active {
    stroke: var(--pgmp-crosswalk-color);
    stroke-width: 2;
    stroke-dasharray: none;
    opacity: 1;
}

.pgmp-documents-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--pgmp-spacing-xl);
    position: relative;
    z-index: 2;
}

.pgmp-document-column {
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-md);
}

.pgmp-document-header {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: var(--pgmp-spacing-lg);
    border-radius: var(--pgmp-radius-lg);
    position: relative;
    overflow: hidden;
}

.pgmp-document-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
}

.pgmp-doc-bc {
    background: var(--pgmp-bc-light);
}

.pgmp-doc-bc::before {
    background: var(--pgmp-bc-color);
}

.pgmp-doc-charter {
    background: var(--pgmp-charter-light);
}

.pgmp-doc-charter::before {
    background: var(--pgmp-charter-color);
}

.pgmp-doc-pmp {
    background: var(--pgmp-pmp-light);
}

.pgmp-doc-pmp::before {
    background: var(--pgmp-pmp-color);
}

.pgmp-doc-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--pgmp-radius);
    margin-bottom: var(--pgmp-spacing-sm);
}

.pgmp-doc-bc .pgmp-doc-icon {
    background: var(--pgmp-bc-color);
    color: white;
}

.pgmp-doc-charter .pgmp-doc-icon {
    background: var(--pgmp-charter-color);
    color: white;
}

.pgmp-doc-pmp .pgmp-doc-icon {
    background: var(--pgmp-pmp-color);
    color: white;
}

.pgmp-doc-icon svg {
    width: 24px;
    height: 24px;
}

.pgmp-document-header h2 {
    font-family: var(--pgmp-font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 var(--pgmp-spacing-xs);
}

.pgmp-doc-label {
    font-size: 0.75rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    opacity: 0.7;
}

/* Section Clusters */
.pgmp-sections-container {
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-md);
}

.pgmp-section-cluster {
    background: var(--pgmp-bg-card);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius);
    overflow: hidden;
    transition: var(--pgmp-transition);
}

.pgmp-section-cluster:hover {
    box-shadow: var(--pgmp-shadow);
}

.pgmp-section-header {
    padding: var(--pgmp-spacing-sm) var(--pgmp-spacing-md);
    background: var(--pgmp-bg);
    border-bottom: 1px solid var(--pgmp-border);
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pgmp-text-secondary);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pgmp-section-header svg {
    width: 14px;
    height: 14px;
    transition: var(--pgmp-transition);
}

.pgmp-section-cluster.collapsed .pgmp-section-header svg {
    transform: rotate(-90deg);
}

.pgmp-section-items {
    padding: var(--pgmp-spacing-sm);
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-xs);
}

.pgmp-section-cluster.collapsed .pgmp-section-items {
    display: none;
}

/* Item Nodes */
.pgmp-item-node {
    padding: var(--pgmp-spacing-sm) var(--pgmp-spacing-md);
    border-radius: var(--pgmp-radius-sm);
    font-size: 0.8125rem;
    cursor: pointer;
    transition: var(--pgmp-transition);
    border-left: 3px solid transparent;
    position: relative;
}

.pgmp-item-node:hover {
    background: var(--pgmp-bg);
}

.pgmp-item-node.selected {
    background: var(--pgmp-accent-light);
    border-left-color: var(--pgmp-accent);
}

.pgmp-item-node.highlighted {
    box-shadow: 0 0 0 2px var(--pgmp-crosswalk-color);
}

.pgmp-item-node.completed::after {
    content: '✓';
    position: absolute;
    right: var(--pgmp-spacing-sm);
    top: 50%;
    transform: translateY(-50%);
    color: var(--pgmp-charter-color);
    font-size: 0.75rem;
}

[data-document="business_case"] .pgmp-item-node.selected {
    background: var(--pgmp-bc-light);
    border-left-color: var(--pgmp-bc-color);
}

[data-document="program_charter"] .pgmp-item-node.selected {
    background: var(--pgmp-charter-light);
    border-left-color: var(--pgmp-charter-color);
}

[data-document="program_management_plan"] .pgmp-item-node.selected {
    background: var(--pgmp-pmp-light);
    border-left-color: var(--pgmp-pmp-color);
}

/* ============================================
   Inspector Panel
   ============================================ */
.pgmp-inspector {
    background: var(--pgmp-bg-card);
    border-radius: var(--pgmp-radius-lg);
    box-shadow: var(--pgmp-shadow);
    overflow: hidden;
    position: sticky;
    top: var(--pgmp-spacing-md);
    max-height: calc(100vh - 200px);
    overflow-y: auto;
}

.pgmp-inspector-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--pgmp-spacing-2xl);
    text-align: center;
    color: var(--pgmp-text-muted);
}

.pgmp-inspector-empty svg {
    width: 48px;
    height: 48px;
    margin-bottom: var(--pgmp-spacing-md);
    opacity: 0.5;
}

.pgmp-inspector-content {
    padding: var(--pgmp-spacing-lg);
}

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

.pgmp-inspector-badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-radius: var(--pgmp-radius-full);
    background: var(--pgmp-accent-light);
    color: var(--pgmp-accent);
}

.pgmp-inspector-badge.bc {
    background: var(--pgmp-bc-light);
    color: var(--pgmp-bc-color);
}

.pgmp-inspector-badge.charter {
    background: var(--pgmp-charter-light);
    color: var(--pgmp-charter-color);
}

.pgmp-inspector-badge.pmp {
    background: var(--pgmp-pmp-light);
    color: var(--pgmp-pmp-color);
}

.pgmp-inspector-close {
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--pgmp-bg);
    color: var(--pgmp-text-muted);
    border-radius: var(--pgmp-radius-full);
    cursor: pointer;
    font-size: 1.25rem;
    transition: var(--pgmp-transition);
}

.pgmp-inspector-close:hover {
    background: var(--pgmp-border);
    color: var(--pgmp-text-primary);
}

.pgmp-inspector-title {
    font-family: var(--pgmp-font-display);
    font-size: 1.125rem;
    font-weight: 600;
    margin: 0 0 var(--pgmp-spacing-sm);
    line-height: 1.4;
}

.pgmp-inspector-meta {
    font-size: 0.75rem;
    color: var(--pgmp-text-muted);
    margin-bottom: var(--pgmp-spacing-lg);
}

.pgmp-inspector-section {
    margin-bottom: var(--pgmp-spacing-lg);
}

.pgmp-inspector-section h4 {
    font-size: 0.6875rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--pgmp-text-muted);
    margin: 0 0 var(--pgmp-spacing-sm);
}

.pgmp-inspector-section p {
    font-size: 0.875rem;
    margin: 0;
    color: var(--pgmp-text-secondary);
}

.pgmp-example-box {
    background: var(--pgmp-bg);
    border-left: 3px solid var(--pgmp-accent);
    padding: var(--pgmp-spacing-md);
    border-radius: 0 var(--pgmp-radius-sm) var(--pgmp-radius-sm) 0;
    font-size: 0.875rem;
    font-style: italic;
    color: var(--pgmp-text-secondary);
}

/* Build Field */
.pgmp-build-field-container {
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-sm);
}

.pgmp-build-field-container textarea {
    width: 100%;
    min-height: 120px;
    padding: var(--pgmp-spacing-md);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius);
    font-family: inherit;
    font-size: 0.875rem;
    resize: vertical;
    transition: var(--pgmp-transition);
}

.pgmp-build-field-container textarea:focus {
    outline: none;
    border-color: var(--pgmp-accent);
    box-shadow: 0 0 0 3px var(--pgmp-accent-light);
}

/* Connections List */
.pgmp-connections-list {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pgmp-spacing-xs);
}

.pgmp-connection-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.25rem;
    padding: 0.25rem 0.5rem;
    font-size: 0.6875rem;
    font-weight: 500;
    border-radius: var(--pgmp-radius-sm);
    background: var(--pgmp-bg);
    color: var(--pgmp-text-secondary);
    cursor: pointer;
    transition: var(--pgmp-transition);
}

.pgmp-connection-badge:hover {
    background: var(--pgmp-accent-light);
    color: var(--pgmp-accent);
}

.pgmp-connection-badge.bc {
    background: var(--pgmp-bc-light);
    color: var(--pgmp-bc-color);
}

.pgmp-connection-badge.charter {
    background: var(--pgmp-charter-light);
    color: var(--pgmp-charter-color);
}

.pgmp-connection-badge.pmp {
    background: var(--pgmp-pmp-light);
    color: var(--pgmp-pmp-color);
}

/* ============================================
   Template View
   ============================================ */
.pgmp-template-container {
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-xl);
}

.pgmp-template-section {
    background: var(--pgmp-bg);
    border-radius: var(--pgmp-radius);
    padding: var(--pgmp-spacing-lg);
}

.pgmp-template-section-header {
    display: flex;
    align-items: center;
    gap: var(--pgmp-spacing-md);
    margin-bottom: var(--pgmp-spacing-lg);
    padding-bottom: var(--pgmp-spacing-md);
    border-bottom: 1px solid var(--pgmp-border);
}

.pgmp-template-section-header h3 {
    font-family: var(--pgmp-font-display);
    font-size: 1rem;
    font-weight: 600;
    margin: 0;
}

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

.pgmp-template-item {
    background: var(--pgmp-bg-card);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius);
    padding: var(--pgmp-spacing-md);
}

.pgmp-template-item-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pgmp-text-primary);
    margin-bottom: var(--pgmp-spacing-xs);
}

.pgmp-template-item-placeholder {
    font-size: 0.8125rem;
    color: var(--pgmp-text-muted);
    font-style: italic;
}

/* ============================================
   Examples View
   ============================================ */
.pgmp-examples-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--pgmp-spacing-lg);
}

.pgmp-example-card {
    background: var(--pgmp-bg-card);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius-lg);
    overflow: hidden;
    transition: var(--pgmp-transition);
}

.pgmp-example-card:hover {
    box-shadow: var(--pgmp-shadow-lg);
    transform: translateY(-2px);
}

.pgmp-example-card-header {
    padding: var(--pgmp-spacing-md);
    border-bottom: 1px solid var(--pgmp-border);
}

.pgmp-example-card-title {
    font-size: 0.9375rem;
    font-weight: 600;
    margin: 0 0 var(--pgmp-spacing-xs);
}

.pgmp-example-card-section {
    font-size: 0.6875rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--pgmp-text-muted);
}

.pgmp-example-card-body {
    padding: var(--pgmp-spacing-md);
}

.pgmp-example-card-description {
    font-size: 0.8125rem;
    color: var(--pgmp-text-secondary);
    margin-bottom: var(--pgmp-spacing-md);
}

.pgmp-example-card-example {
    background: var(--pgmp-bg);
    border-radius: var(--pgmp-radius);
    padding: var(--pgmp-spacing-md);
    font-size: 0.875rem;
    font-style: italic;
    border-left: 3px solid var(--pgmp-accent);
}

.pgmp-example-card-footer {
    padding: var(--pgmp-spacing-sm) var(--pgmp-spacing-md);
    background: var(--pgmp-bg);
    display: flex;
    flex-wrap: wrap;
    gap: var(--pgmp-spacing-xs);
}

/* ============================================
   Build View
   ============================================ */
.pgmp-build-container {
    display: flex;
    flex-direction: column;
    gap: var(--pgmp-spacing-lg);
}

.pgmp-build-progress {
    background: var(--pgmp-bg);
    border-radius: var(--pgmp-radius);
    padding: var(--pgmp-spacing-md);
    display: flex;
    align-items: center;
    gap: var(--pgmp-spacing-md);
}

.pgmp-build-progress-bar {
    flex: 1;
    height: 8px;
    background: var(--pgmp-border);
    border-radius: var(--pgmp-radius-full);
    overflow: hidden;
}

.pgmp-build-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--pgmp-bc-color), var(--pgmp-charter-color), var(--pgmp-pmp-color));
    border-radius: var(--pgmp-radius-full);
    transition: width 0.3s ease;
}

.pgmp-build-progress-text {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pgmp-text-secondary);
    white-space: nowrap;
}

.pgmp-build-section {
    background: var(--pgmp-bg-card);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius-lg);
    overflow: hidden;
}

.pgmp-build-section-header {
    padding: var(--pgmp-spacing-md) var(--pgmp-spacing-lg);
    background: var(--pgmp-bg);
    border-bottom: 1px solid var(--pgmp-border);
    font-weight: 600;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.pgmp-build-section-content {
    padding: var(--pgmp-spacing-lg);
}

.pgmp-build-field {
    margin-bottom: var(--pgmp-spacing-lg);
}

.pgmp-build-field:last-child {
    margin-bottom: 0;
}

.pgmp-build-field-label {
    display: block;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pgmp-text-primary);
    margin-bottom: var(--pgmp-spacing-xs);
}

.pgmp-build-field-hint {
    font-size: 0.75rem;
    color: var(--pgmp-text-muted);
    margin-bottom: var(--pgmp-spacing-sm);
}

.pgmp-build-field textarea {
    width: 100%;
    min-height: 100px;
    padding: var(--pgmp-spacing-md);
    border: 1px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius);
    font-family: inherit;
    font-size: 0.875rem;
    resize: vertical;
    transition: var(--pgmp-transition);
}

.pgmp-build-field textarea:focus {
    outline: none;
    border-color: var(--pgmp-accent);
    box-shadow: 0 0 0 3px var(--pgmp-accent-light);
}

/* ============================================
   Preview View
   ============================================ */
.pgmp-preview-document {
    max-width: 800px;
    margin: 0 auto;
    background: white;
    padding: var(--pgmp-spacing-2xl);
    box-shadow: var(--pgmp-shadow-xl);
    border-radius: var(--pgmp-radius-lg);
}

.pgmp-preview-title {
    font-family: var(--pgmp-font-display);
    font-size: 1.75rem;
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--pgmp-spacing-xl);
    padding-bottom: var(--pgmp-spacing-lg);
    border-bottom: 2px solid var(--pgmp-border);
}

.pgmp-preview-section {
    margin-bottom: var(--pgmp-spacing-xl);
}

.pgmp-preview-section h3 {
    font-size: 1.125rem;
    font-weight: 600;
    color: var(--pgmp-text-primary);
    margin-bottom: var(--pgmp-spacing-md);
    padding-bottom: var(--pgmp-spacing-sm);
    border-bottom: 1px solid var(--pgmp-border);
}

.pgmp-preview-field {
    margin-bottom: var(--pgmp-spacing-md);
}

.pgmp-preview-field-label {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--pgmp-text-secondary);
    margin-bottom: var(--pgmp-spacing-xs);
}

.pgmp-preview-field-value {
    font-size: 0.9375rem;
    color: var(--pgmp-text-primary);
    line-height: 1.6;
}

.pgmp-preview-field-empty {
    color: var(--pgmp-text-muted);
    font-style: italic;
}

/* ============================================
   Crosswalk View
   ============================================ */
.pgmp-crosswalk-selector {
    margin-bottom: var(--pgmp-spacing-xl);
}

.pgmp-crosswalk-selector h3 {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: var(--pgmp-spacing-md);
}

.pgmp-crosswalk-threads {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pgmp-spacing-sm);
}

.pgmp-crosswalk-thread {
    padding: 0.75rem 1.25rem;
    background: #FFFFFF;
    border: 2px solid #E2E8F0;
    border-radius: var(--pgmp-radius-full);
    font-size: 0.875rem;
    font-weight: 600;
    color: #1E293B;
    cursor: pointer;
    transition: var(--pgmp-transition);
}

.pgmp-theme-dark .pgmp-crosswalk-thread {
    background: #334155;
    border-color: #475569;
    color: #F1F5F9;
}

.pgmp-crosswalk-thread:hover {
    border-color: #8B5CF6;
    background: #EDE9FE;
    color: #5B21B6;
}

.pgmp-theme-dark .pgmp-crosswalk-thread:hover {
    background: #4C1D95;
    border-color: #8B5CF6;
    color: #F5F3FF;
}

.pgmp-crosswalk-thread.active {
    background: #8B5CF6;
    border-color: #8B5CF6;
    color: #FFFFFF;
}

.pgmp-theme-dark .pgmp-crosswalk-thread.active {
    background: #8B5CF6;
    border-color: #8B5CF6;
    color: #FFFFFF;
}

.pgmp-crosswalk-visualization {
    background: var(--pgmp-bg);
    border-radius: var(--pgmp-radius-lg);
    padding: var(--pgmp-spacing-xl);
    min-height: 400px;
}

.pgmp-crosswalk-flow {
    display: flex;
    align-items: flex-start;
    justify-content: space-between;
    gap: var(--pgmp-spacing-lg);
}

.pgmp-crosswalk-column {
    flex: 1;
    max-width: 300px;
}

.pgmp-crosswalk-column-header {
    text-align: center;
    margin-bottom: var(--pgmp-spacing-md);
}

.pgmp-crosswalk-column-header h4 {
    font-size: 0.875rem;
    font-weight: 600;
    margin: 0;
}

.pgmp-crosswalk-column-header span {
    font-size: 0.75rem;
    color: var(--pgmp-text-muted);
}

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

.pgmp-crosswalk-item {
    padding: var(--pgmp-spacing-md);
    background: var(--pgmp-bg-card);
    border: 2px solid var(--pgmp-border);
    border-radius: var(--pgmp-radius);
    font-size: 0.8125rem;
    transition: var(--pgmp-transition);
}

.pgmp-crosswalk-item.highlighted {
    border-color: var(--pgmp-crosswalk-color);
    box-shadow: 0 0 0 3px var(--pgmp-crosswalk-light);
}

.pgmp-crosswalk-arrow {
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--pgmp-crosswalk-color);
    font-size: 1.5rem;
    padding-top: 80px;
}

/* ============================================
   Story Mode
   ============================================ */
.pgmp-story-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.95);
    z-index: 1000;
    display: none;
    align-items: center;
    justify-content: center;
    padding: var(--pgmp-spacing-xl);
}

.pgmp-story-overlay.active {
    display: flex;
}

.pgmp-story-container {
    width: 100%;
    max-width: 900px;
    background: var(--pgmp-bg-card);
    border-radius: var(--pgmp-radius-xl);
    overflow: hidden;
    position: relative;
}

.pgmp-story-close {
    position: absolute;
    top: var(--pgmp-spacing-md);
    right: var(--pgmp-spacing-md);
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: var(--pgmp-bg);
    color: var(--pgmp-text-muted);
    border-radius: var(--pgmp-radius-full);
    cursor: pointer;
    font-size: 1.25rem;
    z-index: 10;
    transition: var(--pgmp-transition);
}

.pgmp-story-close:hover {
    background: var(--pgmp-border);
    color: var(--pgmp-text-primary);
}

.pgmp-story-progress {
    height: 4px;
    background: var(--pgmp-border);
}

.pgmp-story-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--pgmp-bc-color), var(--pgmp-charter-color), var(--pgmp-pmp-color));
    transition: width 0.3s ease;
}

.pgmp-story-content {
    padding: var(--pgmp-spacing-2xl);
    min-height: 400px;
}

.pgmp-story-step {
    display: none;
}

.pgmp-story-step.active {
    display: block;
    animation: pgmp-fade-in 0.3s ease;
}

@keyframes pgmp-fade-in {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

.pgmp-story-step-header {
    display: flex;
    align-items: center;
    gap: var(--pgmp-spacing-md);
    margin-bottom: var(--pgmp-spacing-xl);
}

.pgmp-story-step-number {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--pgmp-radius-full);
    font-size: 1.25rem;
    font-weight: 700;
    color: white;
}

.pgmp-story-step-number.step-1 {
    background: var(--pgmp-bc-color);
}

.pgmp-story-step-number.step-2 {
    background: var(--pgmp-charter-color);
}

.pgmp-story-step-number.step-3 {
    background: var(--pgmp-pmp-color);
}

.pgmp-story-step-title {
    font-family: var(--pgmp-font-display);
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0;
}

.pgmp-story-step-content {
    font-size: 1.0625rem;
    line-height: 1.8;
    color: var(--pgmp-text-secondary);
}

.pgmp-story-step-content ul {
    margin: var(--pgmp-spacing-md) 0;
    padding-left: var(--pgmp-spacing-lg);
}

.pgmp-story-step-content li {
    margin-bottom: var(--pgmp-spacing-sm);
}

.pgmp-story-nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: var(--pgmp-spacing-lg) var(--pgmp-spacing-2xl);
    background: var(--pgmp-bg);
    border-top: 1px solid var(--pgmp-border);
}

.pgmp-story-step-indicator {
    font-size: 0.875rem;
    color: var(--pgmp-text-muted);
}

/* ============================================
   Footer
   ============================================ */
.pgmp-footer {
    text-align: center;
    padding: var(--pgmp-spacing-xl) 0;
    margin-top: var(--pgmp-spacing-xl);
    border-top: 1px solid var(--pgmp-border);
}

.pgmp-footer p {
    font-size: 0.75rem;
    color: var(--pgmp-text-muted);
    margin: 0;
}

/* ============================================
   Responsive
   ============================================ */
@media (max-width: 1200px) {
    .pgmp-main {
        grid-template-columns: 1fr;
    }
    
    .pgmp-inspector {
        position: fixed;
        right: 0;
        top: 0;
        bottom: 0;
        width: 380px;
        max-height: 100vh;
        border-radius: 0;
        transform: translateX(100%);
        transition: var(--pgmp-transition-slow);
        z-index: 100;
    }
    
    .pgmp-inspector.open {
        transform: translateX(0);
        box-shadow: -10px 0 30px rgba(0, 0, 0, 0.15);
    }
    
    .pgmp-documents-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .pgmp-tabs {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding: var(--pgmp-spacing-xs);
    }
    
    .pgmp-tab {
        padding: 0.5rem 0.75rem;
        font-size: 0.75rem;
    }
    
    .pgmp-tab span {
        display: none;
    }
    
    .pgmp-mode-switcher {
        flex-wrap: wrap;
    }
    
    .pgmp-header {
        flex-direction: column;
        gap: var(--pgmp-spacing-md);
        text-align: center;
    }
    
    .pgmp-header-brand {
        flex-direction: column;
    }
    
    .pgmp-inspector {
        width: 100%;
    }
    
    .pgmp-story-container {
        border-radius: 0;
        height: 100%;
        display: flex;
        flex-direction: column;
    }
    
    .pgmp-story-content {
        flex: 1;
        overflow-y: auto;
    }
}

/* ============================================
   Help Modal
   ============================================ */
.pgmp-help-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(15, 23, 42, 0.7);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 10000;
    padding: 1.5rem;
    opacity: 0;
    transition: opacity 0.2s ease;
}

.pgmp-help-overlay.active {
    opacity: 1;
}

.pgmp-help-overlay.closing {
    opacity: 0;
}

.pgmp-help-modal {
    background: #FFFFFF;
    border-radius: 1rem;
    max-width: 560px;
    width: 100%;
    max-height: 85vh;
    overflow: hidden;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    transform: scale(0.95) translateY(10px);
    transition: transform 0.2s ease;
}

.pgmp-help-overlay.active .pgmp-help-modal {
    transform: scale(1) translateY(0);
}

.pgmp-help-overlay.closing .pgmp-help-modal {
    transform: scale(0.95) translateY(10px);
}

.pgmp-theme-dark .pgmp-help-modal {
    background: #1E293B;
}

.pgmp-help-content {
    padding: 2rem;
    position: relative;
    overflow-y: auto;
    max-height: 85vh;
}

.pgmp-help-close {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: #F1F5F9;
    border: none;
    font-size: 1rem;
    cursor: pointer;
    color: #64748B;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all 0.15s ease;
}

.pgmp-help-close:hover {
    background: #E2E8F0;
    color: #0F172A;
}

.pgmp-theme-dark .pgmp-help-close {
    background: #334155;
    color: #94A3B8;
}

.pgmp-theme-dark .pgmp-help-close:hover {
    background: #475569;
    color: #F1F5F9;
}

.pgmp-help-content h2 {
    font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 0 0.5rem;
    padding-right: 3rem;
    color: #0F172A;
}

.pgmp-theme-dark .pgmp-help-content h2 {
    color: #F8FAFC;
}

.pgmp-help-intro {
    color: #64748B;
    font-size: 0.95rem;
    margin: 0 0 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid #E2E8F0;
}

.pgmp-theme-dark .pgmp-help-intro {
    color: #94A3B8;
    border-bottom-color: #334155;
}

.pgmp-help-section {
    margin-bottom: 1.25rem;
}

.pgmp-help-content h3 {
    font-size: 1rem;
    font-weight: 600;
    margin: 0 0 0.5rem;
    color: #1E293B;
}

.pgmp-theme-dark .pgmp-help-content h3 {
    color: #F1F5F9;
}

.pgmp-help-content p {
    color: #475569;
    margin: 0;
    line-height: 1.6;
    font-size: 0.9rem;
}

.pgmp-theme-dark .pgmp-help-content p {
    color: #94A3B8;
}

.pgmp-help-content ul {
    margin: 0.5rem 0 0;
    padding-left: 1.25rem;
    color: #475569;
    font-size: 0.9rem;
}

.pgmp-theme-dark .pgmp-help-content ul {
    color: #94A3B8;
}

.pgmp-help-content li {
    margin-bottom: 0.35rem;
    line-height: 1.5;
}

.pgmp-help-content strong {
    color: #0F172A;
    font-weight: 600;
}

.pgmp-theme-dark .pgmp-help-content strong {
    color: #F1F5F9;
}

.pgmp-help-footer {
    margin-top: 1.5rem;
    padding-top: 1.25rem;
    border-top: 1px solid #E2E8F0;
}

.pgmp-help-footer p {
    font-size: 0.8rem;
    color: #94A3B8;
    margin: 0;
}

.pgmp-theme-dark .pgmp-help-footer {
    border-top-color: #334155;
}

.pgmp-theme-dark .pgmp-help-footer p {
    color: #64748B;
}

/* ============================================
   Print Styles
   ============================================ */
@media print {
    .pgmp-header,
    .pgmp-tabs,
    .pgmp-toolbar,
    .pgmp-inspector,
    .pgmp-footer,
    .pgmp-story-overlay,
    .pgmp-intro-container {
        display: none !important;
    }
    
    .pgmp-main {
        display: block;
    }
    
    .pgmp-preview-document {
        box-shadow: none;
        padding: 0;
    }
}