/* Main CSS - Imports modular stylesheets */

/* Variables and theme support */
@import "variables.css";

/* Base styles */
@import "base.css";

/* Header and navigation */
@import "header.css";

/* Content article layout */
@import "content.css";

/* Navigation Panel */
.site-nav {
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  z-index: 90;
  background: var(--color-bg-secondary);
  border-bottom: 1px solid var(--color-border);
  box-shadow: 0 12px 32px rgba(17, 24, 39, 0.12);
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translateY(-0.5rem);
  transition: opacity var(--transition), transform var(--transition);
}

.site-nav:not(.collapsed) {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
  transform: translateY(0);
}

.nav-title {
  font-size: 1.25rem;
  margin: 0;
  color: var(--color-text-secondary);
}

.nav-toggle {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--color-text);
  cursor: pointer;
  transition: all var(--transition);
}

.nav-toggle:hover,
.nav-toggle:focus-visible {
  background: var(--color-bg-tertiary);
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.nav-toggle:focus-visible {
  outline: none;
  box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
}

.nav-toggle-icon {
  display: inline-block;
  width: 0.5rem;
  height: 0.5rem;
  border: solid currentColor;
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
  transition: transform var(--transition);
  margin-left: var(--spacing-xs);
}

.nav-toggle.is-expanded .nav-toggle-icon {
  transform: rotate(-135deg);
}

.nav-panel {
  padding: var(--spacing-lg) 0;
  max-height: calc(100vh - var(--header-height) - var(--spacing-lg));
  overflow-y: auto;
}

.site-nav.collapsed .nav-panel {
  display: none;
}

.nav-list {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-md);
  margin-bottom: var(--spacing-xl);
}

.nav-link {
  display: flex;
  align-items: flex-start;
  gap: var(--spacing-md);
  padding: var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.nav-link:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 8px rgba(37, 99, 235, 0.1);
  transform: translateY(-2px);
}

.nav-icon {
  font-size: 1.5rem;
}

.nav-content {
  flex: 1;
}

.nav-label {
  display: block;
  font-weight: 600;
  color: var(--color-text);
  margin-bottom: var(--spacing-xs);
}

.nav-description {
  display: block;
  font-size: 0.875rem;
  color: var(--color-text-secondary);
}

.nav-secondary {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
}

.nav-secondary h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.quick-links {
  list-style: none;
  display: flex;
  gap: var(--spacing-lg);
  flex-wrap: wrap;
}

.quick-links a {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.quick-links a:hover {
  background: var(--color-primary);
  color: white;
  border-color: var(--color-primary);
}

/* Main Content */
.main-content {
  padding: var(--spacing-2xl) 0;
  min-height: 60vh;
}

/* Homepage Styles */
.hero {
  padding: var(--spacing-2xl) var(--spacing-lg);
  text-align: center;
}

.home-hero {
  max-width: 900px;
  margin: 0 auto var(--spacing-2xl);
  text-align: center;
  padding: 0 var(--spacing-lg);
}

.home-hero h1 {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
  color: var(--color-primary);
}

.home-hero p {
  font-size: 1.125rem;
  line-height: 1.7;
  color: var(--color-text-secondary);
}

.home-overview {
  max-width: 1200px;
  margin: 0 auto var(--spacing-2xl);
  padding: var(--spacing-2xl) var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

.home-overview h2 {
  text-align: center;
  margin-bottom: var(--spacing-lg);
}

.home-overview > p {
  font-size: 1.0625rem;
  line-height: 1.7;
  margin-bottom: var(--spacing-xl);
  color: var(--color-text-secondary);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--spacing-lg);
  margin: var(--spacing-xl) 0;
}

.feature-card {
  padding: var(--spacing-lg);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  text-align: center;
}

.feature-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.feature-card h4 {
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text);
}

.feature-card p {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--color-text-secondary);
  line-height: 1.6;
}

.home-overview h3 {
  margin-top: var(--spacing-2xl);
  margin-bottom: var(--spacing-md);
}

.home-features {
  max-width: 1200px;
  margin: var(--spacing-2xl) auto;
  padding: 0 var(--spacing-lg);
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--spacing-lg);
}

.home-features .feature {
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-xl) var(--spacing-lg);
  text-align: center;
  transition: transform 0.2s ease;
}

.home-features .feature:hover {
  transform: translateY(-4px);
}

.home-features .feature-icon {
  font-size: 2.5rem;
  margin-bottom: var(--spacing-md);
}

.home-features .feature h3 {
  margin-bottom: var(--spacing-sm);
}

.home-features .feature p {
  color: var(--color-text-secondary);
  margin: 0;
  line-height: 1.6;
}

.home-overview ul {
  list-style: none;
  padding: 0;
}

.home-overview li {
  padding: var(--spacing-sm) 0;
  line-height: 1.6;
}

.home-sections {
  max-width: 1400px;
  margin: 0 auto;
  padding: var(--spacing-2xl) var(--spacing-lg);
}

.home-sections h2 {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  font-size: 2rem;
}

.section-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--spacing-lg);
}

.section-card {
  display: block;
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border: 2px solid var(--color-border);
  border-radius: var(--border-radius);
  text-decoration: none;
  transition: all var(--transition);
}

.section-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 16px rgba(37, 99, 235, 0.15);
  transform: translateY(-4px);
}

.section-card-icon {
  font-size: 2.5rem;
  display: block;
  margin-bottom: var(--spacing-md);
}

.section-card h3 {
  margin: 0 0 var(--spacing-sm);
  color: var(--color-text);
  font-size: 1.25rem;
}

.section-card p {
  margin: 0;
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.home-footer-note {
  text-align: center;
  max-width: 900px;
  margin: var(--spacing-2xl) auto 0;
  padding: 0 var(--spacing-lg);
  color: var(--color-text-secondary);
  font-size: 0.9375rem;
}

/* Content Article */
.content-article {
  display: grid;
  grid-template-columns: 1fr 320px;
  gap: var(--spacing-2xl);
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

.content-header {
  grid-column: 1 / -1;
  border-bottom: 2px solid var(--color-border);
  padding-bottom: var(--spacing-lg);
  margin-bottom: var(--spacing-xl);
}

.back-link {
  margin-bottom: var(--spacing-sm);
}

.back-link a {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  font-size: 0.875rem;
  color: var(--color-primary);
  text-decoration: none;
}

.back-link a:hover {
  text-decoration: underline;
}

.content-body {
  max-width: 720px;
}

.content-body h2 {
  margin-top: var(--spacing-xl);
  padding-top: var(--spacing-lg);
  border-top: 1px solid var(--color-border);
}

.content-body ul, .content-body ol {
  margin-left: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.content-body li {
  margin-bottom: var(--spacing-sm);
}

/* Sidebar */
.content-sidebar {
  position: sticky;
  top: 120px;
  height: fit-content;
}

.sidebar-section {
  background: var(--color-bg-secondary);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

.sidebar-section h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
  color: var(--color-text-secondary);
}

.audience-list {
  list-style: none;
}

.audience-list li {
  padding: var(--spacing-xs) 0;
  color: var(--color-text-secondary);
}

.metadata-section dl {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: var(--spacing-sm);
}

.metadata-section dt {
  font-weight: 600;
  color: var(--color-text-secondary);
}

.metadata-section dd {
  color: var(--color-text);
}

/* Tags and Badges */
.tag {
  display: inline-block;
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-bg-tertiary);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
  color: var(--color-text-secondary);
  margin-right: var(--spacing-xs);
  margin-bottom: var(--spacing-xs);
}

.content-metadata {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

.metadata-item {
  padding: var(--spacing-xs) var(--spacing-md);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  font-size: 0.875rem;
}

.badge-statutory {
  background: #fee2e2;
  color: #991b1b;
  font-weight: 600;
}

.badge-high-quality {
  background: #d1fae5;
  color: #065f46;
}

.badge-good-practice {
  background: #dbeafe;
  color: #1e40af;
}

.badge-emerging-practice {
  background: #fef3c7;
  color: #92400e;
}

.status-current {
  background: #d1fae5;
  color: #065f46;
}

.status-under-review {
  background: #fef3c7;
  color: #92400e;
}

.status-archived {
  background: #f3f4f6;
  color: #6b7280;
}

/* Filter Panel */
.filter-panel {
  position: fixed;
  right: 0;
  top: 0;
  bottom: 0;
  width: 320px;
  background: var(--color-bg);
  border-left: 1px solid var(--color-border);
  box-shadow: -2px 0 8px rgba(0, 0, 0, 0.1);
  z-index: 200;
  overflow-y: auto;
  transform: translateX(100%);
  transition: transform 0.3s ease;
}

.filter-panel:not([hidden]) {
  transform: translateX(0);
}

.filter-container {
  padding: var(--spacing-xl);
}

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

.filter-close {
  background: none;
  border: none;
  font-size: 1.5rem;
  cursor: pointer;
  color: var(--color-text-secondary);
}

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

.filter-section h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.filter-options {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

.filter-option {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  cursor: pointer;
}

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

.btn {
  flex: 1;
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  font-weight: 600;
  transition: all var(--transition);
}

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

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

.btn-secondary {
  background: var(--color-bg-secondary);
  color: var(--color-text);
  border: 1px solid var(--color-border);
}

.btn-secondary:hover {
  background: var(--color-bg-tertiary);
}

/* Section Page Styles */
.section-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg) var(--spacing-2xl);
}

.section-header {
  text-align: center;
  margin-bottom: var(--spacing-2xl);
  padding-bottom: var(--spacing-lg);
  border-bottom: 2px solid var(--color-border);
}

.section-icon {
  font-size: 2.5rem;
  margin-right: var(--spacing-sm);
}

.section-description {
  font-size: 1.125rem;
  color: var(--color-text-secondary);
  max-width: 800px;
  margin: var(--spacing-md) auto 0;
}

.section-entry-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xl);
  padding-bottom: var(--spacing-2xl);
}

.section-entry {
  display: grid;
  grid-template-columns: 80% 20%;
  gap: var(--spacing-lg);
  padding: var(--spacing-xl);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.section-entry:hover {
  border-color: var(--color-primary);
  box-shadow: 0 4px 12px rgba(37, 99, 235, 0.1);
}

.section-entry-content {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

.section-entry-title {
  margin: 0;
  font-size: 1.5rem;
}

.section-entry-title a {
  color: var(--color-text);
  text-decoration: none;
}

.section-entry-title a:hover {
  color: var(--color-primary);
}

.section-entry-summary {
  color: var(--color-text-secondary);
  line-height: 1.6;
  margin: 0;
}

.section-entry-preview {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
  justify-content: space-between;
  padding-left: var(--spacing-lg);
  border-left: 2px solid var(--color-border);
}

.section-entry-meta {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  font-size: 0.875rem;
}

.meta-item {
  color: var(--color-text-secondary);
}

.section-entry-readmore {
  display: inline-block;
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--color-primary);
  color: white;
  text-decoration: none;
  border-radius: var(--border-radius);
  text-align: center;
  font-weight: 500;
  transition: all var(--transition);
}

.section-entry-readmore:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 4px 8px rgba(37, 99, 235, 0.2);
}

.section-empty {
  text-align: center;
  padding: var(--spacing-2xl);
  color: var(--color-text-secondary);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
}

/* Modal Styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
}

.modal[hidden] {
  display: none;
}

.modal-backdrop {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.5);
  backdrop-filter: blur(4px);
}

.modal-content {
  position: relative;
  background: var(--color-bg);
  border-radius: var(--border-radius);
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.3);
  max-width: 600px;
  width: 90%;
  max-height: 80vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
}

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

.modal-header h2 {
  margin: 0;
  font-size: 1.5rem;
}

.modal-close {
  background: none;
  border: none;
  font-size: 2rem;
  line-height: 1;
  color: var(--color-text-secondary);
  cursor: pointer;
  padding: 0;
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--border-radius);
  transition: all var(--transition);
}

.modal-close:hover {
  background: var(--color-bg-secondary);
  color: var(--color-text);
}

.modal-body {
  padding: var(--spacing-xl);
  overflow-y: auto;
}

.policy-list {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-lg);
}

.policy-item {
  padding: var(--spacing-lg);
  background: var(--color-bg-secondary);
  border-radius: var(--border-radius);
  border: 1px solid var(--color-border);
}

.policy-item h3 {
  margin: 0 0 var(--spacing-sm);
  font-size: 1.25rem;
}

.policy-item p {
  margin: 0 0 var(--spacing-md);
  color: var(--color-text-secondary);
}

/* Footer */
.site-footer {
  background: var(--color-bg-secondary);
  border-top: 1px solid var(--color-border);
  padding: var(--spacing-2xl) 0 var(--spacing-lg);
  margin-top: var(--spacing-2xl);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--spacing-xl);
  margin-bottom: var(--spacing-xl);
}

.footer-section h3 {
  font-size: 1rem;
  margin-bottom: var(--spacing-md);
}

.footer-section ul {
  list-style: none;
}

.footer-section li {
  margin-bottom: var(--spacing-sm);
}

.footer-section a {
  color: var(--color-text-secondary);
}

.footer-section a:hover {
  color: var(--color-primary);
}

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--spacing-lg);
  text-align: center;
  color: var(--color-text-secondary);
  font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
  .header-content {
    flex-direction: column;
    align-items: stretch;
  }
  
  .nav-list {
    grid-template-columns: 1fr;
  }
  
  .content-article {
    grid-template-columns: 1fr;
  }
  
  .content-sidebar {
    position: static;
  }
  
  .filter-panel {
    width: 100%;
  }
  
  .section-entry {
    grid-template-columns: 1fr;
  }
  
  .section-entry-preview {
    border-left: none;
    border-top: 2px solid var(--color-border);
    padding-left: 0;
    padding-top: var(--spacing-md);
  }
  
  .section-grid {
    grid-template-columns: 1fr;
  }
  
  .feature-grid {
    grid-template-columns: 1fr;
  }
  
  .home-hero h1 {
    font-size: 2rem;
  }
}