/* Note: Global colors are defined in global-colors.css */

/* Frontend CSS uses global color variables with fallbacks for public pages */
:root {
  /* Brand - sourced from global color tokens */
  --rankology-primary: var(--rnk-search-primary);
  --rankology-primary-dark: var(--rnk-search-primary-dark);
  --rankology-primary-light: var(--rnk-search-primary-light);
  /* Back-compat aliases used by frontend.js inline styles */
  --rankology-primary-700: var(--rankology-primary-dark);
  --rankology-primary-50: var(--rnk-search-primary-50);
  --rankology-gradient: var(--rnk-search-gradient);

  /* Accent (AI + live) */
  --rankology-accent-blue: var(--rnk-search-accent-blue);
  --rankology-accent-cyan: var(--rnk-search-accent-cyan);

  /* UI neutrals (light defaults) */
  --rankology-bg: var(--rnk-search-bg);
  --rankology-surface: var(--rnk-search-surface);
  --rankology-border: var(--rnk-search-border);
  --rankology-text: var(--rnk-search-text);
  --rankology-text-secondary: var(--rnk-search-text-secondary);
  --rankology-muted: var(--rnk-search-muted);

  /* Search UI states */
  --rankology-focus: var(--rnk-search-focus);
  --rankology-hover: var(--rnk-search-hover);
  --rankology-active: var(--rnk-search-active, var(--rankology-primary-dark));
  --rankology-highlight: var(--rnk-search-highlight);

  /* Status */
  --rankology-success: var(--rnk-success);
  --rankology-warning: var(--rnk-warning);
  --rankology-danger: var(--rnk-danger);
  --rankology-info: var(--rnk-info);
}

@media (prefers-color-scheme: dark) {
  :root {
    /* Dark UI palette */
    --rankology-bg: var(--rnk-bg-dark);
    --rankology-surface: var(--rnk-dark-surface);
    --rankology-border: var(--rnk-dark-border);
    --rankology-text: var(--rnk-dark-text);
    --rankology-text-secondary: var(--rnk-dark-text-secondary);
    --rankology-muted: var(--rnk-text-light);

    --rankology-hover: var(--rnk-dark-hover);
  }
}

/* ============================================
   Mobile-Optimized Styles (Phase 2.6)
   ============================================ */

/* Tablet and smaller screens */
@media (max-width: 768px) {
  div.rnk-ajax-search {
    max-width: 100%;
  }
  
  input.rnk-ajax-search-input {
    font-size: 16px !important; /* Prevents zoom on iOS */
    padding: 14px 16px;
    min-height: 44px; /* Touch-friendly */
  }
  
  div.rnk-ajax-search-results {
    position: fixed;
    left: 0;
    right: 0;
    top: 0;
    max-height: 100vh;
    height: 100vh;
    width: 100%;
    border-radius: 0;
    z-index: 99999;
  }
  
  a.rnk-ajax-search-result {
    padding: 16px;
    min-height: 44px; /* Touch-friendly target */
  }
  
  img.rnk-ajax-search-thumb,
  div.rnk-ajax-search-thumb {
    width: 56px;
    height: 56px;
    min-width: 56px;
  }
  
  div.rnk-ajax-search-title {
    font-size: 16px;
  }
  
  div.rnk-ajax-search-excerpt {
    font-size: 14px;
    -webkit-line-clamp: 3;
  }
  
  button.rnk-ajax-search-tag {
    padding: 10px 14px;
    min-height: 44px;
    font-size: 15px;
  }
  
  div.rnk-ajax-search-sectionTitle {
    padding: 14px 16px;
    font-size: 13px;
  }
}

/* Mobile phones */
@media (max-width: 480px) {
  input.rnk-ajax-search-input {
    font-size: 16px !important;
    padding: 12px 14px;
  }
  
  a.rnk-ajax-search-result {
    padding: 14px 12px;
    flex-wrap: wrap;
  }
  
  img.rnk-ajax-search-thumb,
  div.rnk-ajax-search-thumb {
    width: 48px;
    height: 48px;
    min-width: 48px;
  }
  
  div.rnk-ajax-search-meta {
    width: calc(100% - 60px);
  }
  
  div.rnk-ajax-search-title {
    font-size: 15px;
    margin-bottom: 6px;
  }
  
  div.rnk-ajax-search-excerpt {
    font-size: 13px;
    -webkit-line-clamp: 2;
  }
  
  div.rnk-ajax-search-tags {
    padding: 12px;
    gap: 8px;
  }
  
  button.rnk-ajax-search-tag {
    padding: 8px 12px;
    font-size: 14px;
  }
}

/* Touch device optimizations */
@media (hover: none) and (pointer: coarse) {
  a.rnk-ajax-search-result:hover {
    background: transparent;
  }
  
  a.rnk-ajax-search-result:active,
  a.rnk-ajax-search-result[aria-selected="true"] {
    background: var(--rnk-ajax-search-hover, var(--rankology-hover, var(--rnk-search-hover)));
  }
  
  button.rnk-ajax-search-tag:hover {
    transform: none;
  }
  
  button.rnk-ajax-search-tag:active {
    transform: scale(0.98);
  }
}

/* Landscape mobile */
@media (max-height: 500px) and (orientation: landscape) {
  div.rnk-ajax-search-results {
    max-height: 60vh;
  }
  
  div.rnk-ajax-search-results::-webkit-scrollbar {
    width: 6px;
  }
}

/* Accessibility: Reduced motion */
@media (prefers-reduced-motion: reduce) {
  input.rnk-ajax-search-input,
  a.rnk-ajax-search-result,
  button.rnk-ajax-search-tag {
    transition: none;
  }
  
  a.rnk-ajax-search-result:hover img.rnk-ajax-search-thumb,
  a.rnk-ajax-search-result:hover div.rnk-ajax-search-thumb {
    transform: none;
  }
}