/**
 * Nature Index - Main Stylesheet
 * Imports all component stylesheets
 * ================================
 * 
 * Usage in ASP.NET MVC:
 * <link rel="stylesheet" href="~/natureindex/css/nature-index.css" />
 * 
 * Or import individual files for better caching:
 * <link rel="stylesheet" href="~/natureindex/css/variables.css" />
 * <link rel="stylesheet" href="~/natureindex/css/base.css" />
 * <link rel="stylesheet" href="~/natureindex/css/grid.css" />
 * <link rel="stylesheet" href="~/natureindex/css/layout.css" />
 * <link rel="stylesheet" href="~/natureindex/css/components.css" />
 * <link rel="stylesheet" href="~/natureindex/css/forms.css" />
 * <link rel="stylesheet" href="~/natureindex/css/tables.css" />
 * <link rel="stylesheet" href="~/natureindex/css/modals.css" />
 * <link rel="stylesheet" href="~/natureindex/css/animations.css" />
 */

@import url('variables.css');
@import url('base.css');
@import url('grid.css');
@import url('layout.css');
@import url('components.css');
@import url('forms.css');
@import url('tables.css');
@import url('modals.css');
@import url('animations.css');

/* ========================================
   Additional Page-Specific Styles
   ======================================== */

/* Hero Section (Home Page) */
.ni-hero {
    position: relative;
    min-height: 600px;
    display: flex;
    align-items: center;
    background-color: var(--ni-primary-dark);
    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.ni-hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(26, 60, 52, 0.9) 0%, rgba(45, 90, 74, 0.7) 100%);
}

.ni-hero-content {
    position: relative;
    z-index: 1;
    max-width: 700px;
    color: var(--ni-white);
}

.ni-hero-title {
    font-size: var(--ni-text-5xl);
    font-weight: var(--ni-font-bold);
    line-height: 1.1;
    margin-bottom: var(--ni-space-6);
    color: var(--ni-white);
}

.ni-hero-subtitle {
    font-size: var(--ni-text-xl);
    opacity: 0.9;
    margin-bottom: var(--ni-space-8);
    line-height: var(--ni-leading-relaxed);
    color: var(--ni-white);
}

.ni-hero-actions {
    display: flex;
    gap: var(--ni-space-4);
}

/* Feature Cards Grid */
.ni-features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--ni-space-6);
}

.ni-feature-card {
    padding: var(--ni-space-8);
    background-color: var(--ni-bg-surface);
    border-radius: var(--ni-radius-xl);
    box-shadow: var(--ni-shadow-sm);
    text-align: center;
    transition: var(--ni-transition-all);
}

.ni-feature-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ni-shadow-lg);
}

.ni-feature-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    margin-bottom: var(--ni-space-5);
    background-color: var(--ni-primary-lightest);
    color: var(--ni-primary);
    border-radius: var(--ni-radius-xl);
    font-size: var(--ni-text-2xl);
}

.ni-feature-title {
    font-size: var(--ni-text-xl);
    font-weight: var(--ni-font-semibold);
    margin-bottom: var(--ni-space-3);
}

.ni-feature-description {
    color: var(--ni-text-secondary);
}

/* Stats Section */
.ni-stats-section {
    background-color: var(--ni-primary-dark);
    padding: var(--ni-space-16) 0;
}

.ni-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--ni-space-8);
    text-align: center;
}

.ni-stat-item {
    color: var(--ni-white);
}

.ni-stat-value {
    font-size: var(--ni-text-5xl);
    font-weight: var(--ni-font-bold);
    margin-bottom: var(--ni-space-2);
    color: var(--ni-accent);
}

.ni-stat-label {
    font-size: var(--ni-text-lg);
    opacity: 0.8;
}

/* Benchmark Browser Grid */
.ni-benchmark-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: var(--ni-space-6);
}

/* Filters Panel */
.ni-filters-panel {
    background-color: var(--ni-bg-surface);
    border-radius: var(--ni-radius-lg);
    padding: var(--ni-space-5);
    margin-bottom: var(--ni-space-6);
    box-shadow: var(--ni-shadow-sm);
}

.ni-filters-row {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ni-space-4);
    align-items: flex-end;
}

.ni-filter-group {
    flex: 1;
    min-width: 180px;
}

/* Detail Page Layout */
.ni-detail-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: var(--ni-space-8);
}

.ni-detail-main {
    display: flex;
    flex-direction: column;
    gap: var(--ni-space-6);
}

.ni-detail-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--ni-space-6);
}

.ni-detail-section {
    background-color: var(--ni-bg-surface);
    border-radius: var(--ni-radius-lg);
    padding: var(--ni-space-6);
    box-shadow: var(--ni-shadow-sm);
}

.ni-detail-section-title {
    font-size: var(--ni-text-lg);
    font-weight: var(--ni-font-semibold);
    margin-bottom: var(--ni-space-4);
    padding-bottom: var(--ni-space-3);
    border-bottom: 1px solid var(--ni-border-color);
}

/* Info List */
.ni-info-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ni-info-list li {
    display: flex;
    justify-content: space-between;
    padding: var(--ni-space-3) 0;
    border-bottom: 1px solid var(--ni-border-color-light);
}

.ni-info-list li:last-child {
    border-bottom: none;
}

.ni-info-label {
    color: var(--ni-text-muted);
    font-size: var(--ni-text-sm);
}

.ni-info-value {
    font-weight: var(--ni-font-medium);
    text-align: right;
}

/* Timeline */
.ni-timeline {
    position: relative;
    padding-left: var(--ni-space-8);
}

.ni-timeline::before {
    content: '';
    position: absolute;
    left: 15px;
    top: 0;
    bottom: 0;
    width: 2px;
    background-color: var(--ni-border-color);
}

.ni-timeline-item {
    position: relative;
    padding-bottom: var(--ni-space-6);
}

.ni-timeline-item:last-child {
    padding-bottom: 0;
}

.ni-timeline-marker {
    position: absolute;
    left: -25px;
    top: 0;
    width: 12px;
    height: 12px;
    background-color: var(--ni-primary);
    border: 2px solid var(--ni-white);
    border-radius: 50%;
    box-shadow: var(--ni-shadow-sm);
}

.ni-timeline-content {
    background-color: var(--ni-gray-50);
    border-radius: var(--ni-radius-md);
    padding: var(--ni-space-4);
}

.ni-timeline-date {
    font-size: var(--ni-text-xs);
    color: var(--ni-text-muted);
    margin-bottom: var(--ni-space-2);
}

/* ========================================
   Responsive Adjustments
   ======================================== */

@media (max-width: 991px) {
    .ni-hero {
        min-height: 500px;
    }
    
    .ni-hero-title {
        font-size: var(--ni-text-4xl);
    }
    
    .ni-detail-grid {
        grid-template-columns: 1fr;
    }
    
    .ni-detail-sidebar {
        order: -1;
    }
}

@media (max-width: 575px) {
    .ni-hero {
        min-height: 400px;
        padding: var(--ni-space-6);
    }
    
    .ni-hero-title {
        font-size: var(--ni-text-3xl);
    }
    
    .ni-hero-subtitle {
        font-size: var(--ni-text-base);
    }
    
    .ni-hero-actions {
        flex-direction: column;
    }
    
    .ni-filters-row {
        flex-direction: column;
    }
    
    .ni-filter-group {
        width: 100%;
    }
    
    .ni-benchmark-grid {
        grid-template-columns: 1fr;
    }
}

/* ========================================
   Print Styles
   ======================================== */

@media print {
    .ni-header,
    .ni-footer,
    .ni-sidebar,
    .ni-btn,
    .ni-filters-panel,
    .ni-nav-toggle {
        display: none !important;
    }
    
    .ni-layout-sidebar {
        grid-template-columns: 1fr;
    }
    
    .ni-card {
        box-shadow: none;
        border: 1px solid var(--ni-border-color);
    }
    
    a {
        text-decoration: underline;
    }
    
    a[href]::after {
        content: " (" attr(href) ")";
        font-size: var(--ni-text-sm);
        color: var(--ni-text-muted);
    }
}

/* ========================================
   Additional Layout Components
   ======================================== */

/* Hero description (between subtitle and CTA) */
.ni-hero-description {
    font-size: var(--ni-text-base);
    opacity: 0.8;
    margin-bottom: var(--ni-space-8);
    line-height: var(--ni-leading-relaxed);
    color: var(--ni-white);
}

/* Section header for intro blocks */
.ni-section-header {
    margin-bottom: var(--ni-space-8);
}

.ni-section-header h2 {
    font-size: var(--ni-text-3xl);
    font-weight: var(--ni-font-bold);
    color: var(--ni-text-primary);
    margin-bottom: var(--ni-space-3);
}

.ni-section-header p {
    font-size: var(--ni-text-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

/* Dark section variant */
.ni-section-dark {
    background-color: var(--ni-bg-dark);
    padding: var(--ni-space-16) 0;
}

.ni-section-dark h2,
.ni-section-dark h3,
.ni-section-dark h4 {
    color: var(--ni-white);
}

/* Text helper */
.ni-text-secondary {
    color: var(--ni-text-secondary);
}

/* Auth links in header */
.ni-auth-links {
    display: flex;
    align-items: center;
    gap: var(--ni-space-3);
}

.ni-auth-greeting {
    display: flex;
    align-items: center;
    gap: var(--ni-space-2);
    color: var(--ni-text-secondary);
    font-size: var(--ni-text-sm);
}

/* Outline button (generic) */
.ni-btn-outline {
    background-color: transparent;
    color: var(--ni-primary);
    border: 2px solid var(--ni-primary);
}

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

/* Outline light button (for dark backgrounds) */
.ni-btn-outline-light {
    background-color: transparent;
    color: var(--ni-white);
    border: 2px solid rgba(255, 255, 255, 0.5);
}

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

/* Mobile menu */
.ni-mobile-menu {
    list-style: none;
    padding: 0;
    margin: 0;
}

.ni-mobile-menu li {
    border-bottom: 1px solid var(--ni-gray-200);
}

.ni-mobile-menu li:last-child {
    border-bottom: none;
}

.ni-mobile-menu a {
    display: flex;
    align-items: center;
    gap: var(--ni-space-3);
    padding: var(--ni-space-3) var(--ni-space-2);
    color: var(--ni-text-primary);
    text-decoration: none;
    transition: var(--ni-transition-colors);
}

.ni-mobile-menu a:hover {
    color: var(--ni-primary);
    background-color: var(--ni-gray-100);
}

.ni-mobile-menu-label {
    font-size: 0.6875rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    color: var(--ni-text-muted, #78909c);
    padding: var(--ni-space-3) var(--ni-space-2) var(--ni-space-1);
    border-bottom: none !important;
}

.ni-mobile-menu-divider {
    border-bottom: 2px solid var(--ni-gray-200) !important;
    padding: 0 !important;
}

/* ========================================
   Benchmark Browse Page Components
   ======================================== */

/* Filter panel (sidebar variant) */
.ni-filter-panel {
    background-color: var(--ni-bg-surface);
    border-radius: var(--ni-radius-lg);
    padding: var(--ni-space-5);
    box-shadow: var(--ni-shadow-sm);
    position: sticky;
    top: 80px;
}

.ni-filter-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ni-space-5);
    padding-bottom: var(--ni-space-3);
    border-bottom: 1px solid var(--ni-border-color);
}

.ni-filter-header h3 {
    font-size: var(--ni-text-lg);
    font-weight: var(--ni-font-semibold);
    margin: 0;
    display: flex;
    align-items: center;
    gap: var(--ni-space-2);
}

.ni-filter-label {
    display: block;
    font-size: var(--ni-text-sm);
    font-weight: var(--ni-font-medium);
    color: var(--ni-text-secondary);
    margin-bottom: var(--ni-space-1);
}

/* Results header */
.ni-results-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--ni-space-4);
    padding-bottom: var(--ni-space-3);
    border-bottom: 1px solid var(--ni-border-color);
}

.ni-results-count {
    font-size: var(--ni-text-base);
    color: var(--ni-text-secondary);
}

/* Text helpers */
.ni-text-muted {
    color: var(--ni-text-muted);
}

/* Benchmark card internals */
.ni-benchmark-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--ni-space-3);
    margin-bottom: var(--ni-space-3);
}

.ni-benchmark-card-header .ni-card-title {
    margin: 0;
}

.ni-benchmark-card-header .ni-card-title a {
    color: var(--ni-primary-dark);
    text-decoration: none;
}

.ni-benchmark-card-header .ni-card-title a:hover {
    color: var(--ni-primary);
    text-decoration: underline;
}

.ni-benchmark-value-block {
    display: flex;
    align-items: baseline;
    flex-wrap: wrap;
    gap: var(--ni-space-2);
    margin-bottom: var(--ni-space-3);
    padding: var(--ni-space-3);
    background-color: var(--ni-gray-50);
    border-radius: var(--ni-radius-md);
}

.ni-benchmark-value {
    font-size: var(--ni-text-2xl);
    font-weight: var(--ni-font-bold);
    color: var(--ni-primary-dark);
}

.ni-benchmark-unit {
    font-size: var(--ni-text-sm);
    color: var(--ni-text-secondary);
}

.ni-benchmark-range {
    font-size: var(--ni-text-sm);
    color: var(--ni-text-muted);
}

.ni-benchmark-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ni-space-3);
}

.ni-meta-item {
    display: flex;
    align-items: center;
    gap: var(--ni-space-1);
    font-size: var(--ni-text-sm);
    color: var(--ni-text-secondary);
}

.ni-meta-item i {
    color: var(--ni-primary-light);
    font-size: var(--ni-text-xs);
}

/* Badge variants */
.ni-badge-muted {
    background-color: var(--ni-gray-200);
    color: var(--ni-text-secondary);
}

.ni-domain-badge {
    font-size: var(--ni-text-xs);
    font-weight: var(--ni-font-medium);
}

.ni-domain-soil { background-color: var(--ni-domain-soil-bg); color: var(--ni-domain-soil); }
.ni-domain-vegetation { background-color: var(--ni-domain-vegetation-bg); color: var(--ni-domain-vegetation); }
.ni-domain-fauna { background-color: var(--ni-domain-fauna-bg); color: var(--ni-domain-fauna); }
.ni-domain-water { background-color: var(--ni-domain-water-bg); color: var(--ni-domain-water); }
.ni-domain-erosion { background-color: var(--ni-domain-erosion-bg); color: var(--ni-domain-erosion); }
.ni-domain-landscape { background-color: var(--ni-gray-100); color: var(--ni-gray-700); }
.ni-domain-default { background-color: var(--ni-gray-100); color: var(--ni-gray-600); }

/* Pagination */
.ni-pagination {
    margin-top: var(--ni-space-8);
    display: flex;
    justify-content: center;
}

.ni-pagination-list {
    display: flex;
    align-items: center;
    gap: var(--ni-space-1);
    list-style: none;
    padding: 0;
    margin: 0;
}

.ni-pagination-link {
    display: flex;
    align-items: center;
    justify-content: center;
    min-width: 40px;
    height: 40px;
    padding: 0 var(--ni-space-3);
    border: 1px solid var(--ni-border-color);
    border-radius: var(--ni-radius-md);
    color: var(--ni-text-secondary);
    text-decoration: none;
    font-size: var(--ni-text-sm);
    transition: var(--ni-transition-colors);
}

.ni-pagination-link:hover {
    background-color: var(--ni-gray-100);
    color: var(--ni-primary);
    text-decoration: none;
}

.ni-pagination-link.active {
    background-color: var(--ni-primary);
    border-color: var(--ni-primary);
    color: var(--ni-white);
}

/* ========================================
   Source Cards (Benchmark Detail)
   ======================================== */

.ni-source-list {
    display: flex;
    flex-direction: column;
    gap: var(--ni-space-4);
}

.ni-source-card {
    border: 1px solid var(--ni-border-color);
    border-radius: var(--ni-radius-md);
    background-color: var(--ni-gray-50);
    overflow: hidden;
}

/* Cards without thumbnails retain original padding */
.ni-source-card:not(.ni-source-card--has-thumb) {
    padding: var(--ni-space-4);
}

/* Horizontal layout when thumbnail is present */
.ni-source-card--has-thumb {
    display: flex;
    align-items: stretch;
}

/* Thumbnail column — fixed width, fills card height */
.ni-source-card-thumb {
    flex: 0 0 140px;
    min-height: 0;
    position: relative;
    background: var(--ni-gray-100, #f0f2f1);
    border-right: 1px solid var(--ni-border-color);
}

.ni-source-card-thumb img {
    display: block;
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    object-fit: cover;
}

/* Placeholder thumbnails (PDF icon, unavailable) — centred, muted */
.ni-source-card-thumb img.ni-source-thumb-placeholder {
    object-fit: contain;
    padding: 1rem;
    opacity: 0.6;
}

/* Text body — takes remaining width */
.ni-source-card-body {
    flex: 1;
    min-width: 0;
    padding: var(--ni-space-4);
}

.ni-source-card-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    gap: var(--ni-space-2);
}

.ni-source-meta {
    display: flex;
    gap: var(--ni-space-4);
    font-size: var(--ni-text-sm);
    color: var(--ni-text-muted);
    margin-top: var(--ni-space-2);
}

.ni-source-meta span {
    display: flex;
    align-items: center;
    gap: var(--ni-space-1);
}

.ni-source-link {
    display: inline-flex;
    align-items: center;
    gap: var(--ni-space-1);
    margin-top: var(--ni-space-2);
    font-size: var(--ni-text-sm);
    color: var(--ni-primary);
}

.ni-source-link:hover {
    color: var(--ni-primary-dark);
}

/* Responsive: stack thumbnail above text on small screens */
@media (max-width: 575.98px) {
    .ni-source-card--has-thumb {
        flex-direction: column;
    }

    .ni-source-card-thumb {
        flex: none;
        height: 120px;
        position: relative;
        border-right: none;
        border-bottom: 1px solid var(--ni-border-color);
    }

    .ni-source-card-thumb img {
        position: absolute;
    }
}

/* ========================================
   Related Benchmark Cards (sidebar)
   ======================================== */

.ni-related-benchmark-card {
    display: block;
    padding: var(--ni-space-3);
    border: 1px solid var(--ni-border-color);
    border-radius: var(--ni-radius-md);
    background: var(--ni-bg-surface);
    color: var(--ni-text-primary);
    transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.ni-related-benchmark-card:hover {
    border-color: var(--ni-primary);
    box-shadow: 0 2px 8px rgba(45, 90, 74, 0.1);
}

.ni-related-benchmark-icon {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--ni-radius-md);
    background: var(--ni-bg-body);
    color: var(--ni-primary);
    font-size: var(--ni-text-sm);
    flex-shrink: 0;
}

.ni-related-benchmark-value {
    font-weight: var(--ni-font-semibold);
    font-size: var(--ni-text-sm);
    color: var(--ni-text-primary);
}

.ni-related-benchmark-unit {
    font-weight: var(--ni-font-normal, 400);
    font-size: var(--ni-text-xs);
    color: var(--ni-text-muted);
}

.ni-related-benchmark-meta {
    font-size: var(--ni-text-xs);
    color: var(--ni-text-secondary);
    margin-top: 2px;
    line-height: 1.4;
}

/* ========================================
   Indicator Discovery Page
   ======================================== */

/* Domain filter tabs */
.ni-domain-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: var(--ni-space-2);
    padding-bottom: var(--ni-space-4);
    border-bottom: 1px solid var(--ni-border-color);
}

.ni-domain-tab {
    display: inline-flex;
    align-items: center;
    gap: var(--ni-space-2);
    padding: var(--ni-space-2) var(--ni-space-4);
    font-size: var(--ni-text-sm);
    font-weight: var(--ni-font-medium);
    color: var(--ni-text-secondary);
    text-decoration: none;
    border-radius: var(--ni-radius-full);
    border: 1px solid var(--ni-border-color);
    background-color: var(--ni-bg-surface);
    transition: var(--ni-transition-colors);
}

.ni-domain-tab:hover {
    color: var(--ni-primary);
    border-color: var(--ni-primary);
    text-decoration: none;
}

.ni-domain-tab.active {
    background-color: var(--ni-primary);
    border-color: var(--ni-primary);
    color: var(--ni-white);
}

.ni-domain-tab-count {
    font-size: var(--ni-text-xs);
    opacity: 0.7;
}

/* Indicator group heading */
.ni-indicator-group {
    margin-bottom: var(--ni-space-8);
}

.ni-indicator-group-title {
    display: flex;
    align-items: center;
    gap: var(--ni-space-3);
    margin-bottom: var(--ni-space-4);
    padding-bottom: var(--ni-space-3);
    border-bottom: 1px solid var(--ni-border-color);
    font-size: var(--ni-text-lg);
}

/* ========================================
   Content Pages (About, Privacy, Terms)
   ======================================== */

.ni-content-section {
    margin-bottom: var(--ni-space-12);
}

.ni-content-prose h2 {
    font-size: var(--ni-text-xl);
    font-weight: var(--ni-font-semibold);
    margin-top: var(--ni-space-8);
    margin-bottom: var(--ni-space-3);
    padding-bottom: var(--ni-space-2);
    border-bottom: 1px solid var(--ni-border-color-light);
}

.ni-content-prose h3 {
    font-size: var(--ni-text-lg);
    font-weight: var(--ni-font-medium);
    margin-top: var(--ni-space-6);
    margin-bottom: var(--ni-space-2);
}

.ni-content-prose p {
    line-height: var(--ni-leading-relaxed);
    margin-bottom: var(--ni-space-4);
}

.ni-content-prose ul {
    padding-left: var(--ni-space-6);
    margin-bottom: var(--ni-space-4);
}

.ni-content-prose li {
    margin-bottom: var(--ni-space-2);
    line-height: var(--ni-leading-relaxed);
}

/* Section header (centered) */
.ni-section-header h2 {
    font-size: var(--ni-text-2xl);
    font-weight: var(--ni-font-bold);
    margin-bottom: var(--ni-space-2);
}

/* Step cards (How It Works) */
.ni-step-card {
    background: var(--ni-bg-surface);
    border-radius: var(--ni-radius-lg);
    padding: var(--ni-space-6);
    box-shadow: var(--ni-shadow-sm);
    text-align: center;
    height: 100%;
}

.ni-step-number {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    background: var(--ni-primary);
    color: var(--ni-white);
    border-radius: var(--ni-radius-full);
    font-size: var(--ni-text-xl);
    font-weight: var(--ni-font-bold);
    margin-bottom: var(--ni-space-4);
}

.ni-step-card h3 {
    font-size: var(--ni-text-lg);
    margin-bottom: var(--ni-space-3);
}

.ni-step-card p {
    font-size: var(--ni-text-sm);
    color: var(--ni-text-secondary);
}

/* Highlight card */
.ni-highlight-card {
    background: linear-gradient(135deg, var(--ni-primary-lightest), var(--ni-bg-surface));
    border: 1px solid var(--ni-primary-light);
    border-radius: var(--ni-radius-lg);
    padding: var(--ni-space-8);
    text-align: center;
}

.ni-highlight-card-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 64px;
    height: 64px;
    background: var(--ni-primary);
    color: var(--ni-white);
    border-radius: var(--ni-radius-full);
    font-size: var(--ni-text-2xl);
    margin-bottom: var(--ni-space-4);
}

.ni-highlight-card h3 {
    font-size: var(--ni-text-lg);
    margin-bottom: var(--ni-space-3);
}

.ni-highlight-card p {
    color: var(--ni-text-secondary);
    font-size: var(--ni-text-sm);
}

/* ========================================
   FAQ Page
   ======================================== */

.ni-faq-category {
    margin-bottom: var(--ni-space-10);
}

.ni-faq-category-title {
    font-size: var(--ni-text-xl);
    font-weight: var(--ni-font-semibold);
    margin-bottom: var(--ni-space-4);
    padding-bottom: var(--ni-space-3);
    border-bottom: 2px solid var(--ni-primary-light);
    display: flex;
    align-items: center;
    gap: var(--ni-space-2);
}

.ni-faq-item {
    background: var(--ni-bg-surface);
    border: 1px solid var(--ni-border-color);
    border-radius: var(--ni-radius-md);
    padding: var(--ni-space-5);
    margin-bottom: var(--ni-space-3);
}

.ni-faq-question {
    font-size: var(--ni-text-base);
    font-weight: var(--ni-font-semibold);
    margin-bottom: var(--ni-space-2);
    color: var(--ni-text-primary);
}

.ni-faq-answer {
    color: var(--ni-text-secondary);
    font-size: var(--ni-text-sm);
    line-height: var(--ni-leading-relaxed);
}

.ni-faq-answer p:last-child {
    margin-bottom: 0;
}

.ni-faq-answer ul {
    padding-left: var(--ni-space-5);
    margin-top: var(--ni-space-2);
}

.ni-faq-answer li {
    margin-bottom: var(--ni-space-1);
}

/* ========================================
   Contact Page
   ======================================== */

.ni-contact-info-list {
    display: flex;
    flex-direction: column;
    gap: var(--ni-space-4);
}

.ni-contact-info-item {
    display: flex;
    align-items: flex-start;
    gap: var(--ni-space-4);
}

.ni-contact-info-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    min-width: 48px;
    background: var(--ni-primary-lightest);
    color: var(--ni-primary);
    border-radius: var(--ni-radius-md);
    font-size: var(--ni-text-lg);
}

.ni-contact-info-item h4 {
    font-size: var(--ni-text-sm);
    font-weight: var(--ni-font-semibold);
    margin-bottom: var(--ni-space-1);
}

.ni-contact-info-item p {
    margin: 0;
    color: var(--ni-text-secondary);
}

.ni-contact-info-item a {
    color: var(--ni-primary);
}

/* ========================================
   Scoring / Exploration Page
   ======================================== */

.ni-scoring-panel {
    position: sticky;
    top: 80px;
}

/* Placeholder (no result yet) */
.ni-scoring-placeholder {
    text-align: center;
    padding: var(--ni-space-16) var(--ni-space-8);
    background: var(--ni-bg-surface);
    border-radius: var(--ni-radius-lg);
    box-shadow: var(--ni-shadow-sm);
}

.ni-scoring-placeholder-icon {
    font-size: var(--ni-text-5xl);
    color: var(--ni-gray-300);
    margin-bottom: var(--ni-space-6);
}

.ni-scoring-placeholder h3 {
    font-size: var(--ni-text-xl);
    margin-bottom: var(--ni-space-3);
}

/* Zone banner */
.ni-zone-banner {
    display: flex;
    align-items: center;
    gap: var(--ni-space-4);
    padding: var(--ni-space-6);
    border-radius: var(--ni-radius-lg);
    color: var(--ni-white);
}

.ni-zone-banner h2,
.ni-zone-banner p {
    color: var(--ni-white);
}

.ni-zone-icon {
    font-size: var(--ni-text-3xl);
    min-width: 48px;
    text-align: center;
}

.ni-zone-title {
    font-size: var(--ni-text-2xl);
    font-weight: var(--ni-font-bold);
    margin-bottom: var(--ni-space-1);
}

.ni-zone-description {
    font-size: var(--ni-text-sm);
    opacity: 0.9;
    margin: 0;
}

/* Zone colour variants */
.ni-zone-optimal {
    background: linear-gradient(135deg, #2e7d32, #43a047);
}

.ni-zone-good {
    background: linear-gradient(135deg, #1565c0, #1e88e5);
}

.ni-zone-acceptable {
    background: linear-gradient(135deg, #1565c0, #1e88e5);
}

.ni-zone-warning {
    background: linear-gradient(135deg, #e65100, #f57c00);
}

.ni-zone-critical {
    background: linear-gradient(135deg, #b71c1c, #e53935);
}

.ni-zone-unknown {
    background: linear-gradient(135deg, var(--ni-gray-600), var(--ni-gray-500));
}

/* Threshold-only zones — used when benchmark family lacks OptimalRange/Point */
.ni-zone-thresholdmet {
    background: linear-gradient(135deg, #546e7a, #78909c);
}

.ni-zone-belowthreshold {
    background: linear-gradient(135deg, #e65100, #f57c00);
}

.ni-zone-abovethreshold {
    background: linear-gradient(135deg, #e65100, #f57c00);
}

/* Comparison grid */
.ni-comparison-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: var(--ni-space-4);
    margin-top: var(--ni-space-4);
}

.ni-comparison-item {
    text-align: center;
    padding: var(--ni-space-5);
    border-radius: var(--ni-radius-md);
    background: var(--ni-gray-50);
}

.ni-comparison-label {
    font-size: var(--ni-text-xs);
    font-weight: var(--ni-font-medium);
    color: var(--ni-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: var(--ni-space-2);
}

.ni-comparison-value {
    font-size: var(--ni-text-2xl);
    font-weight: var(--ni-font-bold);
    color: var(--ni-text-primary);
    margin-bottom: var(--ni-space-1);
}

.ni-comparison-unit {
    font-size: var(--ni-text-xs);
    color: var(--ni-text-muted);
}

.ni-comparison-measured {
    border-left: 3px solid var(--ni-primary);
}

.ni-comparison-benchmark {
    border-left: 3px solid var(--ni-accent);
}

.ni-comparison-percent {
    border-left: 3px solid var(--ni-info);
}

/* ========================================
   Scoring Footprint Visualisation
   ARCH:ScoringFootprintArchitecture
   ======================================== */

.ni-scoring-vis-container {
    background: var(--ni-bg-surface);
    border: 1px solid var(--ni-border, #e0e0e0);
    border-radius: var(--ni-border-radius, 8px);
    padding: 1rem;
    margin-bottom: 1.5rem;
}

.ni-scoring-vis {
    font-family: var(--ni-font-primary, 'Inter', sans-serif);
    display: block;
    max-width: 100%;
    height: auto;
}

.ni-scoring-curve {
    transition: opacity 0.3s ease;
}

.ni-scoring-marker {
    transition: cx 0.3s ease, cy 0.3s ease;
    filter: drop-shadow(0 1px 3px rgba(0, 0, 0, 0.2));
}

.ni-scoring-eco-score-label {
    font-family: var(--ni-font-primary, 'Inter', sans-serif);
    filter: drop-shadow(0 1px 1px rgba(255, 255, 255, 0.8));
}

.ni-landmark-label {
    font-family: var(--ni-font-primary, 'Inter', sans-serif);
    pointer-events: none;
}

.ni-scoring-overlay {
    cursor: crosshair;
}

.ni-scoring-hover text {
    pointer-events: none;
    font-family: var(--ni-font-primary, 'Inter', sans-serif);
}

/* Scoring result panel */
.ni-eco-score-display {
    text-align: center;
    padding: 1.5rem 1rem;
}

.ni-eco-score-number {
    font-size: 3.5rem;
    font-weight: 700;
    line-height: 1;
    color: var(--ni-primary);
}

.ni-eco-score-label {
    font-size: 0.85rem;
    font-weight: 500;
    color: var(--ni-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: 0.25rem;
}

.ni-eco-score-explanation {
    font-size: 0.875rem;
    color: var(--ni-text-secondary);
    margin-top: 0.5rem;
}

/* Guard audit trail */
.ni-guard-audit {
    font-size: 0.85rem;
}

.ni-guard-audit-entry {
    padding: 0.5rem 0.75rem;
    border-left: 3px solid var(--ni-border, #e0e0e0);
    margin-bottom: 0.5rem;
    background: var(--ni-bg-surface-alt, #fafafa);
    border-radius: 0 4px 4px 0;
}

.ni-guard-audit-entry.triggered {
    border-left-color: var(--ni-warning);
}

.ni-guard-audit-entry.failed {
    border-left-color: var(--ni-danger);
}

.ni-guard-audit-action {
    font-weight: 600;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.04em;
}

/* Responsive: stack score and curve on small screens */
@media (max-width: 576px) {
    .ni-eco-score-number {
        font-size: 2.5rem;
    }
    
    .ni-scoring-vis-container {
        padding: 0.5rem;
    }
}

/* ========================================
   WP7: Responsive Refinement — Discovery & Scoring
   ARCH:ResponsiveRefinement
   ======================================== */

/* Tablet: Explore page — stack input + result panels */
@media (max-width: 991px) {
    .ni-scoring-panel {
        position: static !important;
        top: auto !important;
    }
    
    /* Guard management table: horizontal scroll on smaller screens */
    .ni-admin-card .table {
        font-size: 0.8rem;
    }
}

/* Mobile: Scoring interaction refinements */
@media (max-width: 575px) {
    /* Zone banner — compact on mobile */
    .ni-zone-banner {
        padding: var(--ni-space-4);
        gap: var(--ni-space-3);
    }
    
    .ni-zone-icon {
        font-size: var(--ni-text-2xl);
        min-width: 36px;
    }
    
    .ni-zone-title {
        font-size: var(--ni-text-lg);
    }
    
    /* Comparison grid — single column on mobile */
    .ni-comparison-grid {
        grid-template-columns: 1fr;
        gap: var(--ni-space-3);
    }
    
    .ni-comparison-value {
        font-size: var(--ni-text-xl);
    }
    
    /* Guard audit entries — more compact on mobile */
    .ni-guard-audit-entry {
        padding: 0.4rem 0.5rem;
    }
    
    .ni-guard-audit-entry .d-flex {
        flex-direction: column;
        align-items: flex-start !important;
        gap: 0.25rem;
    }
    
    /* Info list — stack label and value on narrow screens */
    .ni-info-list li {
        flex-direction: column;
        gap: 0.25rem;
    }
    
    .ni-info-value {
        text-align: left;
    }
    
    /* Scoring input form — full width selects */
    .ni-scoring-panel .ni-form-group {
        margin-bottom: var(--ni-space-3);
    }
    
    /* Domain tabs — wrap and shrink on mobile */
    .ni-domain-tabs {
        gap: var(--ni-space-1);
    }
    
    .ni-domain-tab {
        padding: var(--ni-space-1) var(--ni-space-3);
        font-size: 0.75rem;
    }
    
    /* Page header — compact on mobile */
    .ni-page-header-content h1 {
        font-size: var(--ni-text-xl);
    }
    
    .ni-page-subtitle {
        font-size: var(--ni-text-sm);
    }
    
    /* Indicator/biome discovery cards — tighter spacing */
    .ni-indicator-group-title {
        font-size: var(--ni-text-base);
    }
    
    /* Honest interpretation disclaimer — smaller on mobile */
    .ni-detail-section .mt-3.p-3 {
        font-size: 0.7rem;
        padding: 0.5rem !important;
    }
}

/* Touch-friendly: increase tap targets on mobile */
@media (hover: none) and (pointer: coarse) {
    .ni-scoring-overlay {
        cursor: default;
    }
    
    .ni-domain-tab {
        min-height: 44px;
        display: inline-flex;
        align-items: center;
    }
    
    .ni-pagination-link {
        min-width: 44px;
        min-height: 44px;
    }
}