/* StepGuard - High-contrast accessibility theme */
/* Design: Bold sans-serif, high contrast, clear hierarchy */

:root {{
  /* Color palette - high contrast for accessibility */
  --bg-primary: #000000;
  --bg-secondary: #1a1a1a;
  --text-primary: #ffffff;
  --text-secondary: #cccccc;
  --accent-primary: #00a8e8; /* Strong blue for primary actions */
  --accent-secondary: #f6a623; /* Warm orange for warnings/alerts */
  --accent-cta: #28a745; /* Green for main CTA */
  --route-color: #ff0000; /* Red for route to stand out */
  --report-color: #ff9800; /* Orange for user reports */
  --report-fill: #ffcc80;

  /* Hazard severity colors */
  --severity-high: #dc3545;
  --severity-medium: #ffc107;
  --severity-low: #17a2b8;

  /* Map tile colors (light for readability) */
  --map-tile-light: #f5f5f5;
  --map-text-light: #333333;

  /* Typography */
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Oxygen, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  --font-heading: "Helvetica Neue", Helvetica, Arial, sans-serif;
  --font-mono: "SFMono-Regular", Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Shadows */
  --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 8px rgba(0, 0, 0, 0.4);
}}

/* Reset */
*,
*::before,
*::after {{
  box-sizing: border-box;
}}

html {{
  font-size: 16px;
  scroll-behavior: smooth;
}}

body {{
  margin: 0;
  padding: 0;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--text-primary);
  background: var(--bg-primary);
}}

/* Skip link */
.skip-link {{
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--accent-primary);
  color: var(--text-primary);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  z-index: 1000;
}}

.skip-link:focus {{
  top: 0;
  outline: 3px solid var(--accent-secondary);
}}

/* Container */
.container {{
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}}

.layout {{
  display: grid;
  gap: var(--spacing-2xl);
}}

/* Typography */
h1, h2, h3, h4, h5, h6 {{
  font-family: var(--font-heading);
  line-height: 1.2;
  margin-top: 0;
  margin-bottom: var(--spacing-md);
  font-weight: 700;
}}

h1 {{
  font-size: 2.5rem;
  margin-bottom: var(--spacing-lg);
}}

h2 {{
  font-size: 2rem;
  margin-bottom: var(--spacing-xl);
}}

h3 {{
  font-size: 1.5rem;
}}

p {{
  margin-bottom: var(--spacing-md);
}}

a {{
  color: var(--accent-primary);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 2px;
}}

a:hover {{
  color: var(--text-primary);
}}

a:focus {{
  outline: 3px solid var(--accent-secondary);
  outline-offset: 2px;
}}

code {{
  font-family: var(--font-mono);
  background: var(--bg-secondary);
  padding: var(--spacing-xs) var(--spacing-sm);
  border-radius: var(--radius-sm);
  font-size: 0.9em;
}}

/* Buttons */
.btn-primary {{
  display: inline-block;
  background: var(--accent-cta);
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  font-weight: 700;
  text-decoration: none;
  border: 3px solid var(--accent-cta);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}}

.btn-primary:hover {{
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}}

.btn-primary:focus {{
  outline: 3px solid var(--text-primary);
  outline-offset: 3px;
}}

.btn-secondary {{
  display: inline-block;
  background: transparent;
  color: var(--text-primary);
  padding: var(--spacing-md) var(--spacing-xl);
  font-size: 1.125rem;
  font-weight: 700;
  border: 3px solid var(--text-primary);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: background 0.2s, transform 0.1s;
}}

.btn-secondary:hover {{
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-2px);
}}

.btn-secondary:focus {{
  outline: 3px solid var(--accent-secondary);
  outline-offset: 3px;
}}

.btn-ghost {{
  display: inline-block;
  background: transparent;
  color: var(--text-secondary);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  cursor: pointer;
  text-decoration: underline;
}}

.btn-ghost:focus {{
  outline: 2px solid var(--text-secondary);
  outline-offset: 2px;
}}

/* Header */
.site-header {{
  position: sticky;
  top: 0;
  z-index: 100;
  background: var(--bg-primary);
  border-bottom: 3px solid var(--bg-secondary);
  padding: var(--spacing-md) 0;
}}

.site-header .brand {{
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}}

.wordmark {{
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--text-primary);
  text-decoration: none;
}}

.menu-toggle {{
  display: flex;
  flex-direction: column;
  background: transparent;
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-sm);
  width: 44px;
  height: 44px;
  cursor: pointer;
  padding: 4px;
}}

.menu-toggle:focus {{
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
}}

.hamburger {{
  width: 32px;
  height: 3px;
  background: var(--text-primary);
  margin: 2px 0;
}}

.main-nav {{
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  background: var(--bg-secondary);
  border-bottom: 3px solid var(--bg-primary);
}}

.main-nav ul {{
  list-style: none;
  margin: 0;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}}

.main-nav.expanded {{
  display: block;
}}

.main-nav:not(.expanded) {{
  display: none;
}}

.main-nav a {{
  display: block;
  padding: var(--spacing-sm) var(--spacing-md);
  color: var(--text-primary);
  text-decoration: none;
  font-weight: 600;
}}

.main-nav a:hover {{
  background: rgba(255, 255, 255, 0.1);
}}

.main-nav a.external {{
  border-top: 1px solid var(--bg-primary);
  padding-top: var(--spacing-md);
}}

/* Hero section */
.hero {{
  text-align: center;
  padding: var(--spacing-2xl) 0;
}}

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

.hero p {{
  font-size: 1.25rem;
  max-width: 800px;
  margin: 0 auto var(--spacing-xl);
}}

.cta-group {{
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}}

.intro-section {{
  padding: var(--spacing-2xl) 0;
  border-top: 3px solid var(--bg-secondary);
  border-bottom: 3px solid var(--bg-secondary);
}}

/* How it works */
.how-it-works-section {{
  padding: var(--spacing-2xl) 0;
}}

.steps-list {{
  counter-reset: step-counter;
  list-style: none;
  padding-left: 0;
  margin: 0;
}}

.steps-list li {{
  position: relative;
  padding-left: var(--spacing-2xl);
  margin-bottom: var(--spacing-lg);
}}

.steps-list li::before {{
  content: counter(step-counter);
  counter-increment: step-counter;
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-heading);
  font-size: 2rem;
  font-weight: 700;
  color: var(--accent-primary);
  width: 50px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background: var(--bg-secondary);
  border-radius: 50%;
}}

.honest-data-box {{
  background: var(--bg-secondary);
  border: 3px solid var(--accent-secondary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-xl);
  margin: var(--spacing-xl) 0;
}}

.honest-data-box h3 {{
  color: var(--accent-secondary);
  margin-top: 0;
}}

/* Crowd reporting */
.crowd-section {{
  padding: var(--spacing-2xl) 0;
}}

.report-types-list {{
  list-style: none;
  padding-left: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-sm);
  margin: var(--spacing-lg) 0;
}}

.report-types-list li {{
  background: var(--bg-secondary);
  padding: var(--spacing-md) var(--spacing-lg);
  font-weight: 600;
  border-radius: var(--radius-md);
}}

.report-note {{
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-left: 4px solid var(--accent-secondary);
  margin: var(--spacing-lg) 0;
}}

/* Audience section */
.audience-section {{
  padding: var(--spacing-2xl) 0;
}}

.audience-grid {{
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: var(--spacing-lg);
}}

.audience-card {{
  background: var(--bg-secondary);
  padding: var(--spacing-lg);
  border-radius: var(--radius-md);
  border: 2px solid var(--bg-primary);
}}

.audience-card h3 {{
  margin-top: 0;
  color: var(--accent-primary);
}}

/* Tool section */
.tool-section {{
  padding: var(--spacing-2xl) 0;
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  margin: var(--spacing-2xl) 0;
}}

.tool-inputs {{
  margin-bottom: var(--spacing-lg);
}}

.tool-inputs h3 {{
  margin-bottom: var(--spacing-md);
}}

.input-group {{
  margin-bottom: var(--spacing-md);
}}

.input-group label {{
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  font-size: 1.1rem;
}}

.input-group input {{
  width: 100%;
  padding: var(--spacing-md);
  font-size: 1.25rem;
  border: 3px solid var(--bg-primary);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  max-width: 500px;
}}

.input-group input:focus {{
  outline: none;
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px rgba(0, 168, 232, 0.3);
}}

.input-hint {{
  display: block;
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-top: var(--spacing-xs);
}}

.button-row {{
  display: flex;
  gap: var(--spacing-md);
  flex-wrap: wrap;
}}

.map-container {{
  position: relative;
  width: 100%;
  height: 500px;
  background: var(--bg-primary);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: var(--spacing-lg);
}}

#map {{
  width: 100%;
  height: 100%;
}}

.loading-indicator {{
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: var(--bg-secondary);
  padding: var(--spacing-lg) var(--spacing-xl);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  font-weight: 600;
  display: none;
  z-index: 10;
}}

.locate-me-btn {{
  position: absolute;
  bottom: var(--spacing-lg);
  right: var(--spacing-lg);
  z-index: 10;
  padding: var(--spacing-md) var(--spacing-lg);
  font-size: 1rem;
  font-weight: 600;
  border: 3px solid var(--text-primary);
  border-radius: var(--radius-md);
  background: var(--bg-primary);
  color: var(--text-primary);
  cursor: pointer;
}}

.locate-me-btn:focus {{
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
}}

/* Hazard drawer */
.hazard-drawer {{
  border-top: 3px solid var(--bg-primary);
  overflow: hidden;
}}

.hazard-drawer.expanded {{
  max-height: 500px;
  transition: max-height 0.3s ease;
}}

.hazard-drawer:not(.expanded) {{
  max-height: 0;
  transition: max-height 0.3s ease;
}}

.drawer-toggle {{
  width: 100%;
  padding: var(--spacing-lg);
  background: var(--bg-secondary);
  border: none;
  border-bottom: 3px solid var(--bg-primary);
  color: var(--text-primary);
  font-size: 1.1rem;
  font-weight: 600;
  text-align: left;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: var(--spacing-md);
}}

.drawer-toggle:hover {{
  background: rgba(255, 255, 255, 0.05);
}}

.drawer-toggle:focus {{
  outline: 3px solid var(--accent-primary);
  outline-offset: 2px;
}

.drawer-toggle .icon {{
  font-size: 1.5rem;
}}

.hazards-list {{
  list-style: none;
  padding: var(--spacing-md);
  margin: 0;
  max-height: 300px;
  overflow-y: auto;
}}

.hazard-item {{
  display: flex;
  align-items: center;
  padding: var(--spacing-sm) var(--spacing-md);
  margin-bottom: var(--spacing-xs);
  border-radius: var(--radius-sm);
  cursor: pointer;
  border-left: 4px solid var(--severity-medium);
}}

.hazard-item:hover {{
  background: rgba(255, 255, 255, 0.05);
}}

.hazard-item:focus {{
  outline: 2px solid var(--text-primary);
  outline-offset: 2px;
}}

.hazard-item.severity-high {{
  border-left-color: var(--severity-high);
}}

.hazard-item.severity-medium {{
  border-left-color: var(--severity-medium);
}}

.hazard-item.severity-low {{
  border-left-color: var(--severity-low);
}}

.hazard-icon {{
  font-size: 1.25rem;
  margin-right: var(--spacing-md);
}}

.hazard-info {{
  flex: 1;
}}

.hazard-type {{
  font-weight: 600;
  font-size: 1.1rem;
}}

.hazard-desc {{
  color: var(--text-secondary);
  font-size: 0.9rem;
}}

.hazard-btn {{
  background: transparent;
  border: none;
  font-size: 1.25rem;
  cursor: pointer;
  padding: var(--spacing-xs);
}}

.hazard-details {{
  padding: var(--spacing-md);
  background: var(--bg-primary);
  font-size: 0.9rem;
}}

/* Crowd report section */
.crowd-report-section {{
  text-align: center;
  margin-top: var(--spacing-xl);
}}

.crowd-report-section h3 {{
  margin-bottom: var(--spacing-sm);
}}

.crowd-report-section p {{
  margin-bottom: var(--spacing-lg);
}}

.report-controls {{
  display: flex;
  gap: var(--spacing-md);
  justify-content: center;
  flex-wrap: wrap;
}}

/* FAQ section */
.faq-section {{
  padding: var(--spacing-2xl) 0;
}}

.faq-item {{
  background: var(--bg-secondary);
  border-radius: var(--radius-md);
  margin-bottom: var(--spacing-md);
  overflow: hidden;
}}

.faq-item summary {{
  padding: var(--spacing-lg);
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  list-style: none;
}}

.faq-item summary:hover {{
  background: rgba(255, 255, 255, 0.05);
}}

.faq-item summary:focus {{
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}}

.faq-item summary::after {{
  content: "▼";
  font-size: 0.75rem;
}

.faq-item[open] summary::after {{
  content: "▲";
}}

.faq-answer {{
  padding: var(--spacing-lg);
  border-top: 1px solid var(--bg-primary);
}}

/* Disclaimer */
.disclaimer-block {{
  background: var(--bg-secondary);
  border: 3px solid var(--accent-secondary);
  border-radius: var(--radius-md);
  padding: var(--spacing-lg);
  margin-top: var(--spacing-lg);
}}

.disclaimer-text {{
  font-size: 1rem;
  margin: 0;
}}

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

.footer-content {{
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--spacing-xl);
}}

.footer-logo {{
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 700;
}}

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

.credits {{
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.6;
}}

.credits p {{
  margin-bottom: var(--spacing-sm);
  font-size: 0.9rem;
}}

/* Modal */
.modal-overlay {{
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.85);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-lg);
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s, visibility 0.3s;
}}

.modal-overlay.active {{
  opacity: 1;
  visibility: visible;
}}

.modal-content {{
  background: var(--bg-secondary);
  border: 3px solid var(--text-primary);
  border-radius: var(--radius-lg);
  padding: var(--spacing-2xl);
  max-width: 600px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
}}

.modal-content h2 {{
  margin-top: 0;
  color: var(--accent-primary);
}}

.modal-actions {{
  display: flex;
  gap: var(--spacing-md);
  justify-content: flex-end;
  margin-top: var(--spacing-lg);
}}

/* Report form in popup */
.report-form {{
  max-width: 300px;
}}

.report-form label {{
  display: block;
  font-weight: 600;
  margin-bottom: var(--spacing-xs);
  margin-top: var(--spacing-md);
}}

.report-form input,
.report-form select {{
  width: 100%;
  padding: var(--spacing-sm);
  margin-top: var(--spacing-xs);
  font-size: 1rem;
  background: var(--bg-primary);
  color: var(--text-primary);
  border: 2px solid var(--text-primary);
  border-radius: var(--radius-sm);
}}

.report-form select:focus,
.report-form input:focus {{
  outline: none;
  border-color: var(--accent-primary);
}}

.report-actions {{
  display: flex;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-md);
  justify-content: flex-end;
}}

/* Responsive */
@media (min-width: 768px) {{
  h1 {{
    font-size: 3rem;
  }}

  .hero p {{
    font-size: 1.5rem;
  }}

  .button-row,
  .cta-group {{
    justify-content: center;
  }}

  .modal-content {{
    padding: var(--spacing-3xl);
  }}

  .layout {{
    grid-template-columns: 1fr;
  }}

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

  .footer-content {{
    grid-template-columns: 1fr 1fr;
  }}

  .footer-content .credits {{
    grid-column: span 2;
  }}
}}

@media (min-width: 1024px) {{
  h1 {{
    font-size: 3.5rem;
  }}

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

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

  .footer-content .credits {{
    grid-column: auto;
  }}
}}

/* High contrast mode support */
@media (prefers-contrast: more) {{
  :root {{
    --border-width: 4px;
  }}

  .btn-primary,
  .btn-secondary,
  .btn-ghost {{
    border-width: 4px;
  }}

  .input-group input {{
    border-width: 4px;
  }}

  .faq-item {{
    border: 4px solid var(--bg-primary);
  }}

  .hazard-item {{
    border-left-width: 6px;
  }}

  .disclaimer-block {{
    border-width: 4px;
  }}

  .modal-content {{
    border-width: 4px;
  }}
}}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {{
  html {{
    scroll-behavior: auto;
  }}

  .btn-primary,
  .btn-secondary,
  .drawer-toggle,
  .faq-item {{
    transition: none;
  }}

  .modal-overlay {{
    transition: none;
  }}
}}

/* Focus visible for keyboard navigation */
:focus-visible {{
  outline: 4px solid var(--accent-primary);
  outline-offset: 3px;
}}

/* Screen reader only */
.sr-only {{
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}}

/* Leaflet overrides for dark theme */
.leaflet-container {{
  background: var(--bg-primary);
}}

.leaflet-control-zoom {{
  border: 3px solid var(--text-primary);
  border-radius: var(--radius-md);
}}

.leaflet-control-zoom a {{
  background: var(--bg-secondary);
  color: var(--text-primary);
  border-bottom: 1px solid var(--text-primary);
}}

.leaflet-control-zoom a:hover {{
  background: var(--accent-primary);
  color: var(--text-primary);
}}

.leaflet-popup {{
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 3px solid var(--text-primary);
  border-radius: var(--radius-md);
}}

.leaflet-popup-content-wrapper {{
  padding: var(--spacing-md);
}}

.leaflet-popup-content {{
  margin: 0;
  font-size: 1rem;
}}

.leaflet-popup-close-button {{
  color: var(--text-primary);
  font-size: 1.5rem;
  line-height: 1;
}}

.leaflet-popup-content p {{
  margin-bottom: var(--spacing-sm);
}}