/* _static/css/flagos-home.css */

/* Import fonts */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@500;600;700;800&display=swap');
@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@300;400;500;600&display=swap');

:root {
  /* Light mode variables */
  --flagos-blue: #1e6bff;
  --flagos-blue-dark: #0a4dbf;
  --flagos-blue-light: #e8f1ff;
  --flagos-gray-50: #f8f9fa;
  --flagos-gray-100: #f8f9fa;
  --flagos-gray-200: #e9ecef;
  --flagos-gray-300: #dee2e6;
  --flagos-gray-800: #343a40;
  --flagos-text: #212529;
  --flagos-text-light: #495057;
  --flagos-card-bg: #ffffff;
  --flagos-border: #e9ecef;
  --flagos-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
  --flagos-shadow-hover: 0 12px 24px rgba(30, 107, 255, 0.12);
}

/* Scoped font families for homepage content */
.flagos-header,
.flagos-section,
.flagos-card,
.call-to-action {
  font-family: 'DM Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

.flagos-header h1,
.section-title,
.card-title,
.call-to-action h2 {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
}

/* Basic reset for consistency */
body {
  background-color: #ffffff;
  color: var(--flagos-text);
  transition: background-color 0.3s ease, color 0.3s ease;
}

/* Page header styles */
.flagos-header {
  text-align: center;
  margin: 0 auto 4rem;
  max-width: 800px;
  padding: 0 1rem;
}

.flagos-header h1 {
  font-size: 3rem;
  font-weight: 700;
  color: var(--flagos-text);
  margin-bottom: 1rem;
  line-height: 1.2;
}

.flagos-header p {
  font-size: 1.5rem;
  color: var(--flagos-text-light);
  line-height: 1.6;
  font-weight: 500;
}

/* Grid layout - 4 columns */
.flagos-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin: 0 auto;
  max-width: 1400px;
  padding: 0 1rem;
}

/* Responsive: 2 columns on medium screens */
@media (max-width: 1200px) {
  .flagos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }
}

/* Responsive: 1 column on small screens */
@media (max-width: 768px) {
  .flagos-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }
}

/* Card styles - Light mode */
.flagos-card {
  background: var(--flagos-card-bg);
  border-radius: 12px;
  border: 1px solid var(--flagos-border);
  padding: 2rem;
  height: 100%;
  display: flex;
  flex-direction: column;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  box-shadow: var(--flagos-shadow);
}

.flagos-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--flagos-shadow-hover);
  border-color: var(--flagos-blue);
}

.flagos-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--flagos-blue), #4dabff);
  opacity: 0;
  transition: opacity 0.3s ease;
}

.flagos-card:hover::before {
  opacity: 1;
}

/* Icon styles */
.card-icon-wrapper {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  background: var(--flagos-blue-light);
  border: 1px solid rgba(30, 107, 255, 0.1);
}

.card-icon {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--flagos-blue);
}

/* Card title - Ensure sufficient contrast */
.card-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--flagos-text);
  margin-bottom: 1rem;
  line-height: 1.3;
}

/* Card description - Increase contrast */
.card-description {
  color: var(--flagos-text-light);
  line-height: 1.6;
  margin-bottom: 2rem;
  flex-grow: 1;
  font-weight: 400;
}

/* Card footer link button */
.card-footer {
  margin-top: auto;
  padding-top: 1rem;
  border-top: 1px solid var(--flagos-gray-200);
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--flagos-blue);
  text-decoration: none;
  font-weight: 500;
  padding: 0.5rem 0;
  border-bottom: 2px solid transparent;
  transition: all 0.2s ease;
}

.card-link:hover {
  color: var(--flagos-blue-dark);
  border-bottom-color: var(--flagos-blue);
}

.card-link::after {
  content: '→';
  font-size: 1.25em;
  transition: transform 0.2s ease;
}

.card-link:hover::after {
  transform: translateX(4px);
}

/* Responsive design */
@media (max-width: 768px) {
  .flagos-header h1 {
    font-size: 2.25rem;
  }
  
  .flagos-header p {
    font-size: 1.125rem;
  }
  
  .flagos-grid {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
}

/* Dark mode support */
html[data-theme="dark"] {
  --flagos-blue: #4dabff;
  --flagos-blue-dark: #1e90ff;
  --flagos-blue-light: rgba(30, 107, 255, 0.15);
  --flagos-gray-50: #0d1117;
  --flagos-gray-100: #161b22;
  --flagos-gray-200: #21262d;
  --flagos-gray-300: #30363d;
  --flagos-gray-800: #f0f6fc;
  --flagos-text: #f0f6fc;
  --flagos-text-light: #8b949e;
  --flagos-card-bg: #161b22;
  --flagos-border: #30363d;
  --flagos-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
  --flagos-shadow-hover: 0 12px 24px rgba(30, 107, 255, 0.2);
}

html[data-theme="dark"] body {
  background-color: #0d1117;
}

html[data-theme="dark"] .flagos-card {
  background: var(--flagos-card-bg);
  border-color: var(--flagos-border);
}

html[data-theme="dark"] .card-icon-wrapper {
  background: rgba(30, 107, 255, 0.1);
  border-color: rgba(30, 107, 255, 0.2);
}

html[data-theme="dark"] .card-icon {
  color: var(--flagos-blue);
}

html[data-theme="dark"] .card-footer {
  border-top-color: var(--flagos-gray-300);
}

/* ========== Section layout ========== */
.flagos-section {
  max-width: 1200px;
  margin: 0 auto 3rem;
  padding: 0 1rem;
}

.section-title {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--flagos-text);
  margin-bottom: 1.5rem;
  padding-bottom: 0.75rem;
  border-bottom: 2px solid var(--flagos-blue);
  display: inline-block;
}

/* When grid is inside a section, remove its own max-width/padding
   since the section wrapper already handles it */
.flagos-section .flagos-grid {
  max-width: none;
  padding: 0;
  width: 100%;
}


/* Override Sphinx theme styles */
.sd-card {
  border: none !important;
  box-shadow: none !important;
  background: transparent !important;
}

/* Bottom call to action area */
.call-to-action {
  text-align: center;
  margin: 4rem auto 0;
  padding: 3rem 2rem;
  background: linear-gradient(135deg, var(--flagos-blue-light), rgba(30, 107, 255, 0.05));
  border-radius: 16px;
  max-width: 800px;
  border: 1px solid rgba(30, 107, 255, 0.1);
}

.call-to-action h2 {
  font-size: 2rem;
  font-weight: 600;
  color: var(--flagos-text);
  margin-bottom: 1rem;
}

.call-to-action p {
  color: var(--flagos-text-light);
  margin-bottom: 2rem;
  line-height: 1.6;
  font-size: 1.125rem;
}

.call-to-action a {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  background: var(--flagos-blue);
  color: white;
  padding: 0.875rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  transition: all 0.2s ease;
  border: 2px solid transparent;
}

.call-to-action a:hover {
  background: var(--flagos-blue-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 16px rgba(30, 107, 255, 0.2);
}

.call-to-action svg {
  width: 20px;
  height: 20px;
}

/* Call to action area in dark mode */
html[data-theme="dark"] .call-to-action {
  background: linear-gradient(135deg, rgba(30, 107, 255, 0.1), rgba(30, 107, 255, 0.05));
  border-color: rgba(30, 107, 255, 0.2);
}

/* FlagOS outline button styles */
.flagos-outline-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  color: var(--flagos-blue);
  padding: 0.75rem 1.75rem;
  border-radius: 8px;
  text-decoration: none;
  font-weight: 500;
  font-size: 1.125rem;
  transition: all 0.2s ease;
  border: 2px solid var(--flagos-blue);
  margin-top: 1rem;
}

.flagos-outline-btn:hover {
  background: var(--flagos-blue);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(30, 107, 255, 0.15);
}

/* dark mode for nav bar */
html[data-theme="dark"] .bd-header,
html[data-theme="dark"] .navbar {
  background-color: var(--flagos-gray-100);
  border-bottom: 1px solid var(--flagos-border);
}

html[data-theme="dark"] .navbar-brand .title {
  color: var(--flagos-text) !important;
}

/* Adjust navbar logo size */
.navbar-brand img {
  max-height: 32px;
  width: auto;
}

html[data-theme="dark"] .pst-navbar-icon svg,
html[data-theme="dark"] .search-button-field svg {
  color: var(--flagos-text);
}

html[data-theme="dark"] .search-button-field {
  color: var(--flagos-text);
  background-color: var(--flagos-gray-200);
  border: 1px solid var(--flagos-border);
}

html[data-theme="dark"] .search-button-field:hover {
  background-color: var(--flagos-gray-300);
}

html[data-theme="dark"] .search-button__kbd-shortcut {
  color: var(--flagos-text-light);
}

html[data-theme="dark"] .kbd-shortcut__modifier {
  background-color: var(--flagos-gray-300);
  color: var(--flagos-text);
  border: 1px solid var(--flagos-border);
}

/* copyright color */
.footer-item .copyright {
  color: #343a40;
  font-size: 0.875rem;
  line-height: 1.6;
  margin: 0;
  opacity: 0.9;
}

html[data-theme="dark"] .footer-item .copyright {
  color: #f0f6fc;
}

/* Card layout optimization after removing icons */
.flagos-card {
  padding: 1.75rem; /* Slightly reduce padding */
}

.card-title {
  margin-top: 0.25rem; /* Reduce top margin */
  margin-bottom: 1.25rem; /* Increase bottom margin */
  font-size: 1.375rem; /* Slightly reduce title size */
}

.card-description {
  margin-bottom: 1.5rem; /* Reduce bottom margin */
  font-size: 0.95rem; /* Slightly reduce description text size */
  line-height: 1.5; /* Adjust line height */
}

.card-footer {
  padding-top: 1.25rem; /* Adjust top padding of footer area */
  border-top-width: 1px; /* Ensure border width */
}

/* Enhance border effect */
.flagos-card {
  border-width: 1.5px; /* Increase border width */
  border-color: var(--flagos-border);
}

.flagos-card:hover {
  border-width: 1.5px; /* Maintain border width on hover */
  border-color: var(--flagos-blue);
}

/* Adjust card hover effect */
.flagos-card:hover {
  transform: translateY(-4px); /* Reduce upward movement distance */
  box-shadow: 0 8px 20px rgba(30, 107, 255, 0.1); /* Adjust shadow intensity */
}

/* Ensure all cards have consistent height */
.flagos-card {
  display: flex;
  flex-direction: column;
  min-height: 220px; /* Set minimum height */
}

.card-description {
  flex-grow: 1; /* Let description area fill available space */
}

/* Responsive adjustments */
@media (max-width: 768px) {
  .flagos-card {
    padding: 1.5rem;
    min-height: 200px;
  }
  
  .card-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }
  
  .card-description {
    font-size: 0.9rem;
    margin-bottom: 1.25rem;
  }
}

/* ========== Layout fixes for landing page ========== */
/* Hide right sidebar on landing page and remove its space */
.bd-page-width:has(#documentation) .bd-sidebar-secondary {
  display: none !important;
  width: 0 !important;
  min-width: 0 !important;
  max-width: 0 !important;
  flex: 0 0 0 !important;
  padding: 0 !important;
  margin: 0 !important;
  overflow: hidden !important;
}

/* Ensure main content uses full width when right sidebar is hidden */
.bd-page-width:has(#documentation) .bd-main .bd-content {
  max-width: 100%;
  flex: 1 1 100%;
}

/* Remove scrollbar from main content area on landing page */
.bd-page-width:has(#documentation) .bd-content {
  overflow-x: hidden;
  overflow-y: visible;
}

/* Ensure main content area uses full available width on landing page */
.bd-page-width:has(#documentation) .bd-article-container {
  max-width: 100%;
}

/* Remove extra padding on article for landing page */
.bd-page-width:has(#documentation) article.bd-article {
  padding: 0;
}

/* Fix container width for homepage content */
#documentation {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
}

/* Better responsive breakpoints for cards */
@media (max-width: 1200px) {
  .flagos-grid {
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
  }
}

@media (max-width: 992px) {
  .flagos-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .flagos-header h1 {
    font-size: 2.5rem;
  }

  .flagos-header p {
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 1.375rem;
  }
}

@media (max-width: 576px) {
  .flagos-grid {
    grid-template-columns: 1fr;
    gap: 1rem;
  }

  .flagos-card {
    padding: 1.5rem;
    min-height: auto;
  }

  .flagos-header {
    margin-bottom: 2.5rem;
  }

  .flagos-header h1 {
    font-size: 2rem;
  }

  .flagos-header p {
    font-size: 1.125rem;
  }

  .flagos-section {
    margin-bottom: 2rem;
  }

  .section-title {
    font-size: 1.25rem;
    margin-bottom: 1rem;
  }

  .call-to-action {
    margin-top: 2.5rem;
    padding: 2rem 1.5rem;
  }

  .call-to-action h2 {
    font-size: 1.5rem;
  }
}

/* Fix for Firefox and browsers that don't support :has() yet */
@supports not selector(:has(*)) {
  .flagos-grid {
    max-width: 1200px;
  }

  /* Fallback: all grids limited to reasonable width */
  .flagos-grid {
    justify-content: flex-start;
  }
}

/* Note: Right sidebar width adjustments are in custom.css */

/* ========== Column Span Classes ========== */
.flagos-card-span-1 {
  grid-column: span 1;
}

.flagos-card-span-3 {
  grid-column: span 3;
}

/* Responsive: on medium/small screens, full width */
@media (max-width: 1200px) {
  .flagos-card-span-1,
  .flagos-card-span-3 {
    grid-column: span 2;
  }
}

@media (max-width: 768px) {
  .flagos-card-span-1,
  .flagos-card-span-3 {
    grid-column: span 1;
  }
}

/* Nested grid inside parent card - shared styles */
.flagos-grid-nested {
  display: grid;
  gap: 0.75rem;
  max-width: none;
  padding: 0;
  margin-top: 1rem;
}

/* For span-1 card: stack children vertically */
.flagos-card-span-1 .flagos-grid-nested {
  grid-template-columns: 1fr;
}

/* For span-3 card: 3 columns for 6 children */
.flagos-card-span-3 .flagos-grid-nested {
  grid-template-columns: repeat(3, 1fr);
}

/* Responsive for nested grids */
@media (max-width: 1200px) {
  .flagos-card-span-3 .flagos-grid-nested {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .flagos-card-span-3 .flagos-grid-nested {
    grid-template-columns: 1fr;
  }
}

/* Nested child cards - compact style */
.flagos-grid-nested .flagos-card {
  min-height: 140px;
  padding: 1rem;
}

.flagos-grid-nested .flagos-card .card-title {
  font-size: 1rem;
  margin-bottom: 0.5rem;
}

.flagos-grid-nested .flagos-card .card-description {
  font-size: 0.85rem;
  line-height: 1.4;
  margin-bottom: 1rem;
}

.flagos-grid-nested .flagos-card .card-footer {
  padding-top: 0.75rem;
}

.flagos-grid-nested .card-link {
  font-size: 0.9rem;
}

/* Empty card placeholder styling */
.flagos-card-empty {
  background: var(--flagos-gray-100);
  border-style: dashed;
  border-color: var(--flagos-gray-300);
  opacity: 0.7;
}

.flagos-card-empty:hover {
  border-color: var(--flagos-gray-400);
  transform: none;
  box-shadow: var(--flagos-shadow);
}

.flagos-card-empty:hover::before {
  opacity: 0;
}

.card-link-placeholder {
  display: inline-flex;
  height: 2rem;
}


/* ========== Back to top button fix ========== */
/* Hide back-to-top on landing page since it's a single scrollable page */
.bd-page-width:has(#documentation) #pst-back-to-top {
  display: none !important;
}

/* For non-landing pages, position it properly */
#pst-back-to-top {
  bottom: 2rem;
  right: 2rem;
  z-index: 1000;
}

/* ========== Section visual differentiation ========== */
/* Use subtle background for even sections without negative margins */
.flagos-section:nth-of-type(even) {
  background: var(--flagos-gray-50);
  border-radius: 12px;
  padding: 2rem 1rem;
}

html[data-theme="dark"] .flagos-section:nth-of-type(even) {
  background: rgba(255, 255, 255, 0.02);
}

/* Remove bottom margin from last section to avoid extra space before CTA */
.flagos-section:last-of-type {
  margin-bottom: 1rem;
}

/* ========== Dropdown section styling ========== */
/* Styles for sphinx-design dropdown directive - Card-like appearance */
details.sd-dropdown {
  margin-bottom: 2rem;
  border: 1px solid var(--flagos-border);
  border-radius: 12px;
  background: var(--flagos-card-bg);
  overflow: hidden;
  box-shadow: var(--flagos-shadow);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

details.sd-dropdown:hover {
  box-shadow: var(--flagos-shadow-hover);
  border-color: var(--flagos-blue);
}

summary.sd-summary-title.sd-card-header {
  font-family: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--flagos-text) !important;
  padding: 1.25rem 1.5rem 1.25rem 1.25rem !important;
  border-left: 4px solid var(--flagos-blue) !important;
  background: transparent !important;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

summary.sd-summary-title.sd-card-header:hover {
  background: var(--flagos-blue-light) !important;
  border-left-width: 6px !important;
}

/* Remove default arrow marker */
summary.sd-summary-title.sd-summary-control::before {
  content: none !important;
}

/* Add custom icon prefix for first-level */
summary.sd-summary-title.sd-card-header::before {
  content: '▸' !important;
  font-size: 1.25rem;
  margin-right: 0.75rem;
  color: var(--flagos-blue) !important;
  transition: transform 0.2s ease;
  display: inline-block;
}

details.sd-dropdown[open] > summary.sd-summary-title.sd-card-header::before {
  transform: rotate(90deg);
}

/* Dropdown content wrapper */
.sd-dropdown-content {
  padding: 0 1.5rem 1.5rem 1.5rem;
  border-top: 1px solid var(--flagos-border);
}

/* Grid inside dropdown uses full width */
details.sd-dropdown .flagos-grid {
  max-width: none;
  padding: 0;
  width: 100%;
}

/* Dark mode support for dropdown */
html[data-theme="dark"] details.sd-dropdown {
  border-color: var(--flagos-border);
  background: var(--flagos-card-bg);
  box-shadow: var(--flagos-shadow);
}

html[data-theme="dark"] details.sd-dropdown:hover {
  box-shadow: var(--flagos-shadow-hover);
  border-color: var(--flagos-blue);
}

html[data-theme="dark"] summary.sd-summary-title.sd-card-header {
  color: var(--flagos-text) !important;
  background: var(--flagos-gray-100) !important;
  border-bottom-color: var(--flagos-border) !important;
}

html[data-theme="dark"] summary.sd-summary-title.sd-card-header:hover {
  background: rgba(30, 107, 255, 0.1) !important;
  color: var(--flagos-blue) !important;
}

html[data-theme="dark"] .sd-dropdown-content {
  border-top-color: var(--flagos-border);
}

/* Even section visual differentiation (now for dropdowns) */
details.sd-dropdown:nth-of-type(even) {
  background: var(--flagos-card-bg);
}

html[data-theme="dark"] details.sd-dropdown:nth-of-type(even) {
  background: var(--flagos-card-bg);
}

/* Remove section title underline since dropdown has border */
details.sd-dropdown .section-title {
  border-bottom: none;
}