/* ==========================================================================
   Contexa Responsive Styles
   Breakpoints: 1200px, 1024px, 768px, 480px
   ========================================================================== */

/* ── Large Desktop (< 1200px) ── */
@media (max-width: 1200px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: var(--space-8);
  }

  .dropdown-panel-mega {
    min-width: 560px;
  }

  .stats-bar {
    gap: var(--space-8);
  }

  .two-col {
    gap: var(--space-10);
  }
}

/* ── Desktop (< 1024px) ── */
@media (max-width: 1024px) {
  .logo-tagline {
    display: none !important;
  }

  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }

  .two-col {
    grid-template-columns: 1fr;
    gap: var(--space-8);
  }

  .two-col-text {
    max-width: 100%;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .footer-brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }

  .stats-bar {
    flex-wrap: wrap;
    gap: var(--space-6);
  }

  .stat-item {
    min-width: 120px;
  }

  /* Hide right TOC sidebar on tablet */
  .docs-toc-sidebar {
    display: none;
  }

  /* Docs sidebar becomes overlay on tablet */
  .docs-sidebar {
    position: fixed;
    top: var(--header-height);
    left: 0;
    bottom: 0;
    transform: translateX(-100%);
    transition: transform var(--transition-normal);
    z-index: 20;
    box-shadow: none;
  }

  .docs-sidebar.open {
    transform: translateX(0);
    box-shadow: var(--shadow-xl);
  }

  .sidebar-toggle {
    display: flex;
  }

  .sidebar-overlay.open {
    display: block;
  }

  .docs-content-inner {
    padding: var(--space-8) var(--space-6) var(--space-12);
  }
}

/* ── Tablet (< 768px) ── */
@media (max-width: 768px) {
  :root {
    --text-5xl: 2.25rem;
    --text-4xl: 1.875rem;
    --text-3xl: 1.5rem;
  }

  .container,
  .container-narrow,
  .container-wide {
    padding: 0 var(--space-4);
  }

  .section {
    padding: var(--space-12) 0;
  }

  .section-lg {
    padding: var(--space-16) 0;
  }

  /* Navigation */
  .main-nav {
    display: none;
  }

  .mobile-menu-toggle {
    display: flex;
  }

  .nav-dropdown {
    display: none !important;
  }

  /* Mobile header compact */
  .logo-icon {
    width: 36px;
    height: 36px;
  }

  .logo-text {
    font-size: var(--text-base);
  }

  .header-search-label,
  .header-search-kbd {
    display: none;
  }

  .header-search-btn {
    padding: 8px;
  }

  .github-link {
    display: none;
  }

  /* Hero adjustments */
  .hero-grid {
    grid-template-columns: 1fr !important;
    gap: var(--space-8) !important;
    text-align: center;
  }

  .hero-actions {
    justify-content: center;
  }

  .hero-code {
    max-width: 100%;
  }

  /* Cards */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
  }

  /* Stats */
  .stats-bar {
    flex-direction: column;
    gap: var(--space-4);
    padding: var(--space-6);
  }

  /* Tables */
  .api-table,
  table {
    display: block;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  /* Footer */
  .footer-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .footer-bottom {
    flex-direction: column;
    gap: var(--space-4);
    text-align: center;
  }

  .footer-legal {
    justify-content: center;
  }

  /* Architecture flow */
  .arch-flow {
    flex-direction: column;
    padding: var(--space-4);
  }

  .arch-flow-arrow {
    transform: rotate(90deg);
  }

  /* Steps */
  .steps {
    padding-left: var(--space-10);
  }

  .step-number {
    left: calc(-1 * var(--space-10));
    width: 32px;
    height: 32px;
    font-size: var(--text-xs);
  }

  .steps::before {
    left: 15px;
  }

  /* Docs nav footer */
  .docs-nav-footer {
    flex-direction: column;
  }

  .docs-nav-link {
    max-width: 100%;
  }

  .docs-nav-link.next {
    text-align: left;
  }

  /* API methods */
  .api-method-header {
    flex-direction: column;
    gap: var(--space-2);
  }

  .api-param {
    flex-direction: column;
    gap: var(--space-1);
  }

  .api-param-name,
  .api-param-type {
    min-width: auto;
  }

  /* Related links */
  .related-links-grid {
    grid-template-columns: 1fr;
  }

  /* Dropdown */
  .dropdown-panel-mega {
    grid-template-columns: 1fr;
    min-width: 300px;
  }

  /* Comparison table */
  .comparison-table {
    font-size: var(--text-xs);
  }

  /* Grid children overflow protection */
  .two-col > *,
  .grid-2 > *,
  .grid-3 > *,
  .grid-4 > *,
  .platform-diagram-grid > * {
    min-width: 0;
    overflow: hidden;
  }

  /* Platform Diagram → vertical stack */
  .platform-diagram-grid {
    grid-template-columns: 1fr;
    gap: var(--space-6);
  }

  .platform-connector {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: var(--space-2) 0;
    min-height: auto;
  }

  .platform-connector .pd-connector-label {
    margin-bottom: var(--space-1);
  }

  .platform-connector .pd-connector-line {
    width: 2px;
    height: 32px;
    position: relative;
  }

  .platform-connector .pd-connector-arrow {
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    border-left: 5px solid transparent;
    border-right: 5px solid transparent;
    border-top: 6px solid;
  }

  .platform-connector .pd-connector-arrow--request {
    border-top-color: #00D4FF;
  }

  .platform-connector .pd-connector-arrow--decision {
    border-top-color: #A78BFA;
  }

  .platform-connector .pd-connector-dot {
    display: none;
  }

  .platform-engine {
    padding: var(--space-6) var(--space-4);
    overflow: hidden;
  }

  .platform-section {
    padding: var(--space-12) 0;
  }

  /* Platform diagram inner content */
  .platform-diagram {
    overflow: hidden;
  }

  /* Annotation Cards → single column */
  .annotation-cards {
    grid-template-columns: 1fr;
  }

  .annotation-card {
    overflow: hidden;
    word-wrap: break-word;
    overflow-wrap: break-word;
  }
}

/* ── Small Mobile (< 480px) ── */
@media (max-width: 480px) {
  :root {
    --text-5xl: 2rem;
    --text-4xl: 1.75rem;
    --text-3xl: 1.375rem;
    --header-height: 56px;
  }

  .header-inner {
    padding: 0 var(--space-3);
  }

  .logo-icon {
    width: 30px;
    height: 30px;
  }

  .logo-text {
    font-size: var(--text-sm);
  }

  .logo {
    gap: var(--space-2);
  }

  .btn-lg {
    padding: var(--space-3) var(--space-6);
    font-size: var(--text-sm);
  }

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }

  .code-block pre {
    padding: var(--space-4);
    font-size: var(--text-xs);
  }

  .code-block-header {
    padding: var(--space-2) var(--space-3);
  }

  .section-header {
    margin-bottom: var(--space-8);
  }

  .card {
    padding: var(--space-5);
  }

  .api-method {
    padding: var(--space-4);
  }

  .docs-content-inner {
    padding: var(--space-6) var(--space-4) var(--space-10);
  }

  .page-header {
    padding: var(--space-10) 0 var(--space-8);
  }

  .callout {
    flex-direction: column;
    gap: var(--space-2);
  }

  .tabs {
    gap: 0;
  }

  .tab {
    padding: var(--space-2) var(--space-3);
    font-size: var(--text-xs);
  }

  .hero-setup-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 8px;
  }

  .platform-engine {
    padding: var(--space-4) var(--space-3);
  }

  .annotation-card {
    padding: var(--space-3) var(--space-4);
  }
}

/* ── Print Styles ── */
@media print {
  .site-header,
  .docs-sidebar,
  .sidebar-toggle,
  .mobile-menu-toggle,
  .mobile-nav,
  .docs-nav-footer,
  .footer-grid {
    display: none !important;
  }

  .docs-content {
    margin-left: 0 !important;
  }

  .site-main {
    margin-top: 0 !important;
  }

  body {
    font-size: 12pt;
    color: #000;
    background: #fff;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  .code-block {
    border: 1px solid #ccc;
    page-break-inside: avoid;
  }

  .card {
    border: 1px solid #ccc;
    box-shadow: none;
    page-break-inside: avoid;
  }

  h2, h3, h4 {
    page-break-after: avoid;
  }
}

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