/* ============================================
   RESPONSIVE DESIGN ENHANCEMENTS
   ============================================
   
   Contains:   
   - Additional mobile & tablet optimizations
   - Landscape/Portrait specific adjustments
   - Touch-friendly interaction improvements
   - Accessibility enhancements for mobile
*/

/* ============================================
   GLOBAL RESPONSIVE UTILITIES
   ============================================ */

/* Utility classes for common responsive needs */
.hidden {
  display: none !important;
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  clip: rect(0, 0, 0, 0) !important;
  white-space: nowrap !important;
  border: 0 !important;
}

/* Prevent horizontal scrolling on mobile */
html, body {
  overflow-x: hidden;
}

/* Improved touch targets for all interactive elements */
@media (pointer: coarse) {
  button, 
  select, 
  input[type="button"], 
  input[type="submit"], 
  .clickable,
  .interactive {
    min-height: 44px;
    min-width: 44px;
  }
}

/* ============================================
   ORIENTATION-SPECIFIC ADJUSTMENTS
   ============================================ */

/* Landscape mode adjustments for better use of horizontal space */
@media (orientation: landscape) and (max-height: 600px) {
  /* Reduce vertical spacing in landscape mode */
  .bible-navigation-header {
    top: 5px !important;
    margin: 5px auto !important;
  }
  
  /* Compact spacing for better content visibility */
  .navigation-content {
    padding-top: 8px !important;
    padding-bottom: 8px !important;
  }
  
  /* Optimize bible content for landscape reading */
  .chapter-content {
    padding-top: 1em !important;
    padding-bottom: 1em !important;
  }
}

/* Portrait mode optimizations */
@media (orientation: portrait) and (max-width: 768px) {
  /* Ensure adequate spacing in portrait mode */
  .bible-navigation-header {
    position: relative !important;
    top: auto !important;
  }
  
  /* Better vertical rhythm in portrait */
  .chapter-content p {
    margin-bottom: 1.3em;
  }
}

/* ============================================
   DEVICE-SPECIFIC IMPROVEMENTS
   ============================================ */

/* iPhone SE and similar small screens */
@media (max-width: 375px) and (max-height: 667px) {
  .current-book-name {
    font-size: 0.95rem !important;
  }
  
  .chapter-dropdown-container {
    min-width: 120px !important;
  }
  
  .chapter-content {
    font-size: var(--bible-font-size) !important;
  }
}

/* Large phone screens (iPhone Plus, etc.) */
@media (min-width: 414px) and (max-width: 480px) {
  .chapter-content {
    font-size: var(--bible-font-size) !important;
  }
  
  .chapter-dropdown-container {
    min-width: 150px !important;
  }
}

/* iPad Mini and similar tablets */
@media (min-width: 768px) and (max-width: 834px) and (orientation: portrait) {
  .navigation-content {
    padding: 18px 28px !important;
  }
  
  .chapter-content {
    padding: 2.2em !important;
    font-size: var(--bible-font-size) !important;
  }
}

/* Exactly 1024px devices - Original flat mobile-like design */
@media (min-width: 1024px) and (max-width: 1024px) {
  /* Make Bible content completely flat like mobile */
  .bible-main-content {
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    margin: 0 !important;
    padding: 0 !important;
    width: 100% !important;
    max-width: none !important;
  }
  
  .chapter-content {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 3em 1em !important;
    font-size: var(--bible-font-size) !important;
    line-height: 1.7 !important;
    text-align: left !important;
    max-width: none !important;
    width: 100% !important;
  }
  
  /* Simple paragraph spacing like mobile */
  .chapter-content p {
    margin-bottom: 1.2em !important;
    font-size: var(--bible-font-size) !important;
    line-height: var(--bible-line-height) !important;
    text-align: left !important;
  }
  
  /* Simple verse styling */
  .chapter-content .v {
    padding: 0.3em 0 !important;
    margin: 0 !important;
    display: inline !important;
  }
  
  /* Navigator positioning for 1024px - Mobile-style top-left */
  .mobile-bible-navigator {
    display: block !important; /* Show mobile navigator on 1024px devices */
    position: fixed !important;
    top: 20px !important;
    left: 20px !important;
    z-index: 1200 !important;
  }
  
  /* Hide the desktop-style navigator */
  .bible-navigation-header,
  #chapter-form,
  .mobile-hero-navigation {
    display: none !important;
  }
}

/* iPad Pro and larger tablets (1025px-1366px) - Enhanced flat design */
@media (min-width: 1025px) and (max-width: 1366px) {
  /* Make Bible content completely flat - no container appearance */
  .bible-main-content {
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    margin: 0 !important;
    padding: 0 !important;
    border: none !important;
    transition: margin-right 0.3s ease, margin-left 0.3s ease !important;
  }
  
  /* Remove any container styling from content wrapper */
  .content-wrapper,
  .bible-book-content {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  
  /* Content is full width - sidebar hidden on tablets by mobile-bottom-nav.css */
  .main-wrapper {
    margin-left: 0 !important;
    padding-left: 0 !important;
  }
  
  .main-wrapper.sidebar-collapsed {
    margin-left: 0 !important;
    padding-left: 0 !important;
  }
  
  .navigation-content {
    padding: 12px 20px !important;
  }
  
  .chapter-content {
    padding: 3em 1.5em 3em 0.2em !important;
    font-size: var(--bible-font-size) !important;
    margin: 0 !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    line-height: 2.4 !important;
    background: transparent !important;
    border: none !important;
  }
  
  /* Remove all container-like styling from chapter elements */
  .chapter-content,
  .chapter-content > *,
  .content-area {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    border-radius: 0 !important;
  }
  
  /* Base content positioning - start closer to left */
  .chapter-content {
    text-align: left !important;
    padding-left: 0.1em !important; /* Reduced from 0.2em to start closer to edge */
  }
  
  /* Adjust content spacing when AI panel is open */
  body.ai-panel-open .chapter-content {
    padding: 4em 1em 4em 0.05em !important; /* Reduced left and right padding for more width */
    font-size: var(--bible-font-size) !important;
    line-height: 2.6 !important;
    max-width: none !important;
    width: 100% !important;
    margin-left: 0 !important;
  }
  
  /* Adjust content spacing when both sidebar collapsed and AI panel open */
  body.ai-panel-open .main-wrapper.sidebar-collapsed .chapter-content {
    padding: 4.5em 0.3em 4.5em 0.05em !important; /* Reduced padding for maximum width */
    font-size: var(--bible-font-size) !important;
    line-height: 2.5 !important;
    max-width: none !important;
    width: 100% !important;
    margin-left: 0 !important;
  }
  
  /* Optimize when only sidebar is collapsed (more space available) */
  .main-wrapper.sidebar-collapsed .chapter-content {
    padding: 3.5em 0.5em 3.5em 0.05em !important; /* Reduced padding for consistency */
    font-size: var(--bible-font-size) !important;
    line-height: 2.3 !important;
    max-width: none !important;
    width: 100% !important;
    margin-left: 0 !important;
  }
  
  /* Bible Navigator positioning adjustments - static (scrolls with content) */
  .bible-navigation-header,
  #chapter-form,
  .mobile-bible-navigator,
  .mobile-hero-navigation {
    position: relative !important;
    top: auto !important;
    left: auto !important;
    transform: none !important;
    z-index: 100 !important;
    margin: 0 auto !important;
    width: auto !important;
    max-width: 90vw !important;
    display: flex !important;
    justify-content: center !important;
  }
  
  /* No special adjustment needed when sidebar is expanded - navigation is static */
  .main-wrapper:not(.sidebar-collapsed) .bible-navigation-header,
  .main-wrapper:not(.sidebar-collapsed) #chapter-form,
  .main-wrapper:not(.sidebar-collapsed) .mobile-bible-navigator,
  .main-wrapper:not(.sidebar-collapsed) .mobile-hero-navigation {
    left: auto !important;
    transform: none !important;
  }
  
  /* No special adjustment needed when sidebar is collapsed - navigation is static */
  .main-wrapper.sidebar-collapsed .bible-navigation-header,
  .main-wrapper.sidebar-collapsed #chapter-form,
  .main-wrapper.sidebar-collapsed .mobile-bible-navigator,
  .main-wrapper.sidebar-collapsed .mobile-hero-navigation {
    left: auto !important;
    transform: none !important;
  }
  
  /* Navigation stays centered when AI chat panel is open - still static */
  body.ai-panel-open .bible-navigation-header,
  body.ai-panel-open #chapter-form,
  body.ai-panel-open .mobile-bible-navigator,
  body.ai-panel-open .mobile-hero-navigation {
    left: auto !important;
    transform: none !important;
    max-width: 60vw !important;
    width: auto !important;
  }
  
  /* Make navigator elements more compact when AI panel is open */
  body.ai-panel-open .navigation-content {
    padding: 8px 16px !important;
  }
  
  body.ai-panel-open .current-book-name {
    font-size: 0.9rem !important;
  }
  
  body.ai-panel-open .chapter-dropdown-container {
    min-width: 100px !important;
  }
  
  /* Adjust navigator when both sidebar is expanded AND AI panel is open - static positioning */
  body.ai-panel-open .main-wrapper:not(.sidebar-collapsed) .bible-navigation-header,
  body.ai-panel-open .main-wrapper:not(.sidebar-collapsed) #chapter-form,
  body.ai-panel-open .main-wrapper:not(.sidebar-collapsed) .mobile-bible-navigator,
  body.ai-panel-open .main-wrapper:not(.sidebar-collapsed) .mobile-hero-navigation {
    left: auto !important;
    transform: none !important;
    max-width: 45vw !important;
    width: auto !important;
  }

  /* Adjust navigator when both sidebar is collapsed AND AI panel is open - static positioning */
  body.ai-panel-open .main-wrapper.sidebar-collapsed .bible-navigation-header,
  body.ai-panel-open .main-wrapper.sidebar-collapsed #chapter-form,
  body.ai-panel-open .main-wrapper.sidebar-collapsed .mobile-bible-navigator,
  body.ai-panel-open .main-wrapper.sidebar-collapsed .mobile-hero-navigation {
    left: auto !important;
    transform: none !important;
    max-width: 65vw !important;
  }
  
  /* Remove dark theme styling for completely flat appearance */
  [data-theme="dark"] .bible-main-content {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  [data-theme="dark"] .chapter-content,
  [data-theme="dark"] .content-wrapper,
  [data-theme="dark"] .bible-book-content {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  /* Ensure chapter content has proper spacing */
  .chapter-content .v {
    margin-bottom: 0.8em !important;
    padding: 0.3em 0 !important;
  }
  
  /* Make verse text more readable and flat */
  .verse-text,
  .verse-text-wrapper {
    border-radius: 0 !important;
    box-shadow: none !important;
    background: transparent !important;
    border: none !important;
    padding: 0.4em 0 !important;
  }
  
  /* Flatten chapter headings */
  .chapter-content h1,
  .chapter-content h2,
  .chapter-content h3 {
    margin: 1em 0 0.5em 0 !important;
    padding: 0 !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  /* Adjust main content padding to account for fixed navigator */
  .bible-book-content,
  .content-area {
    padding-top: 80px !important;
  }
  
  /* Ensure proper spacing around content */
  .content-wrapper {
    padding: 0 !important;
    margin: 0 !important;
  }
  
  /* Improve Bible content spacing when panels are open */
  body.ai-panel-open .bible-main-content {
    padding: 0 !important;
    margin-right: 360px !important; /* Reduced further from 380px to maximize width */
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    width: auto !important;
    max-width: none !important;
  }
  
  /* Better spacing when sidebar is collapsed and AI panel is open */
  body.ai-panel-open .main-wrapper.sidebar-collapsed .bible-main-content {
    margin-left: 40px !important; /* Reduced from 60px to get closer to left edge */
    margin-right: 360px !important; /* Reduced further from 380px to maximize width */
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    width: auto !important;
    max-width: none !important;
  }
  
  /* Optimize content when only sidebar is collapsed */
  .main-wrapper.sidebar-collapsed .bible-main-content {
    margin-left: 0px !important; /* Reduced from 60px for consistency */
    width: auto !important;
    max-width: none !important;
  }
  
  /* Ensure content wrapper utilizes full width */
  body.ai-panel-open .content-wrapper,
  .main-wrapper.sidebar-collapsed .content-wrapper {
    width: 100% !important;
    max-width: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  /* Add more breathing room with increased vertical spacing */
  body.ai-panel-open .bible-book-content,
  .main-wrapper.sidebar-collapsed .bible-book-content {
    padding-top: 110px !important;
    margin: 0 !important;
  }
  
  /* Spread out chapter headings more */
  body.ai-panel-open .chapter-content h1,
  body.ai-panel-open .chapter-content h2,
  .main-wrapper.sidebar-collapsed .chapter-content h1,
  .main-wrapper.sidebar-collapsed .chapter-content h2 {
    margin: 2.5em 0 1.2em 0 !important;
    padding: 0.8em 0 !important;
    line-height: 1.5 !important;
  }
  
  /* Add extra spacing between verses */
  body.ai-panel-open .chapter-content,
  .main-wrapper.sidebar-collapsed .chapter-content {
    word-spacing: 0.1em !important;
    letter-spacing: 0.03em !important;
  }
  
  /* Remove any floating effects or elevated styling */
  .bible-main-content::before,
  .bible-main-content::after,
  .chapter-content::before,
  .chapter-content::after,
  .content-wrapper::before,
  .content-wrapper::after {
    display: none !important;
  }
  
  /* Ensure no container-like visual elements */
  .bible-main-content,
  .chapter-content,
  .content-wrapper,
  .bible-book-content,
  .content-area {
    outline: none !important;
    box-shadow: none !important;
    border: none !important;
    background-image: none !important;
    background: transparent !important;
  }
  
  /* Remove any wrapper styling that creates container appearance */
  .main-wrapper {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  /* Ensure verses blend seamlessly with page background */
  .verse-text,
  .verse-text-wrapper,
  .chapter-content .v,
  .chapter-content p {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    outline: none !important;
  }
  
  /* Remove any separation between content sections */
  .chapter-content > div,
  .chapter-content > section {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    margin: 0 !important;
    padding: 0 !important;
  }
  
  /* Make sure verses are easily selectable */
  .chapter-content .v {
    padding: 0.2em 0 !important;
    margin: 0 !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
  }
  
  /* Ensure reading flow is natural */
  .chapter-content p {
    margin-bottom: 2.5em !important;
    line-height: 2.4 !important;
    max-width: none !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  /* Improve verse spacing */
  .chapter-content .v {
    padding: 0.8em 0 !important;
    margin: 0 0 0.3em 0 !important;
    background: none !important;
    border: none !important;
    box-shadow: none !important;
    display: inline !important;
  }
  
  /* Optimize text flow for Biblical content structure */
  .chapter-content {
    text-rendering: optimizeLegibility !important;
    word-spacing: 0.12em !important;
    letter-spacing: 0.04em !important;
  }
  
  /* Ensure verse numbers don't break text flow */
  .chapter-content .v sup,
  .chapter-content .verse-number {
    font-size: 0.8em !important;
    vertical-align: super !important;
    margin-right: 0.5em !important;
    color: var(--text-secondary, #666) !important;
  }
  
  /* Better spacing when AI panel is open */
  body.ai-panel-open .chapter-content p {
    margin-bottom: 2.8em !important;
    line-height: 2.6 !important;
    max-width: none !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  body.ai-panel-open .chapter-content .v {
    padding: 0.9em 0 !important;
    margin: 0 0 0.35em 0 !important;
    display: inline !important;
  }
  
  /* Enhanced spacing when sidebar is collapsed */
  .main-wrapper.sidebar-collapsed .chapter-content p {
    margin-bottom: 3em !important;
    line-height: 2.3 !important;
    max-width: none !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  .main-wrapper.sidebar-collapsed .chapter-content .v {
    padding: 0.7em 0 !important;
    margin: 0 0 0.25em 0 !important;
    display: inline !important;
  }
  
  /* Optimal spacing when both sidebar collapsed and AI panel open */
  body.ai-panel-open .main-wrapper.sidebar-collapsed .chapter-content p {
    margin-bottom: 2.6em !important;
    line-height: 2.5 !important;
    max-width: none !important;
    text-align: left !important;
    padding-left: 0 !important;
    margin-left: 0 !important;
  }
  
  body.ai-panel-open .main-wrapper.sidebar-collapsed .chapter-content .v {
    padding: 0.8em 0 !important;
    margin: 0 0 0.3em 0 !important;
    display: inline !important;
  }
}

/* ============================================
   ACCESSIBILITY IMPROVEMENTS
   ============================================ */

/* Improved focus indicators for mobile navigation */
@media (max-width: 768px) {
  .chapter-nav-btn:focus,
  .clear-verses-button:focus,
  #chapter-select:focus {
    outline: 3px solid var(--bible-border-verse-selected);
    outline-offset: 2px;
  }
}

/* Enhanced verse selection feedback for touch devices */
@media (pointer: coarse) {
  .verse-text:active,
  .verse-text-wrapper:active,
  .chapter-content .v:active {
    background: var(--bible-verse-hover-bg) !important;
    border-color: var(--bible-border-verse-hover) !important;
    /* Removed transform: scale(0.96) to prevent text jitter on tap */
  }
}

/* High contrast improvements for mobile */
@media (prefers-contrast: high) and (max-width: 768px) {
  .bible-navigation-header,
  .chapter-dropdown-container,
  .verse-controls-container {
    border-width: 2px !important;
    border-color: currentColor !important;
  }
  
  .chapter-content .v,
  .verse-text,
  .verse-text-wrapper {
    border: 1px solid currentColor !important;
  }
}

/* Reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
  .verse-text,
  .verse-text-wrapper,
  .chapter-content .v,
  .chapter-nav-btn,
  .clear-verses-button {
    transition: none !important;
    transform: none !important;
  }
}

/* ============================================
   TYPOGRAPHY SCALING
   ============================================ */

/* Dynamic font scaling based on viewport */
@media (min-width: 320px) and (max-width: 480px) {
  html {
    font-size: calc(16px + 0.5vw);
  }
}

@media (min-width: 481px) and (max-width: 768px) {
  html {
    font-size: calc(16px + 0.25vw);
  }
}

@media (min-width: 769px) and (max-width: 1024px) {
  html {
    font-size: calc(16px + 0.125vw);
  }
}

/* ============================================
   PERFORMANCE OPTIMIZATIONS
   ============================================ */

/* Optimize rendering for mobile devices */
@media (max-width: 768px) {
  .chapter-content,
  .bible-navigation-header,
  .verse-text,
  .verse-text-wrapper {
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
  }
  
  /* Reduce paint operations on mobile */
  .chapter-content .v {
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
  }
}

/* ============================================
   PRINT STYLES FOR MOBILE
   ============================================ */

@media print {
  .bible-navigation-header,
  .verse-controls-section,
  .clear-verses-button {
    display: none !important;
  }
  
  .chapter-content {
    padding: 1em !important;
    font-size: 12pt !important;
    line-height: 1.4 !important;
    color: black !important;
    background: white !important;
  }
  
  .chapter-content .v {
    color: #666 !important;
    background: none !important;
    border: none !important;
  }
}

/* ============================================
   iOS SAFARI SPECIFIC FIXES
   ============================================ */

/* Detect iOS Safari and apply specific fixes */
@supports (-webkit-touch-callout: none) {
  /* iOS Safari specific fixes */
  
  /* Fix viewport height issues on iOS Safari */
  html, body {
    height: -webkit-fill-available;
    min-height: -webkit-fill-available;
  }
  
  /* Prevent iOS Safari from zooming on form focus */
  input[type="text"], 
  input[type="email"], 
  input[type="password"], 
  textarea, 
  select {
    font-size: 16px !important;
    transform: translateZ(0); /* Force hardware acceleration */
    -webkit-appearance: none;
    appearance: none;
  }
  
  /* Fix scrolling momentum on iOS - using modern approach */
  .scrollable-container,
  .ai-messages,
  .sidebar-content,
  .chapter-content {
    /* Removed deprecated -webkit-overflow-scrolling: touch */
    overscroll-behavior: contain;
    scroll-behavior: smooth;
  }
  
  /* Fix touch events on iOS Safari */
  button, 
  .clickable, 
  .interactive {
    cursor: pointer;
    -webkit-tap-highlight-color: rgba(0, 0, 0, 0.1);
    -webkit-touch-callout: none;
    -webkit-user-select: none;
    user-select: none;
  }
  
  /* Fix backdrop filters on iOS Safari - now handled by .backdrop class */
  
  /* Prevent rubber band scrolling where not needed */
  .ai-chat-panel,
  .modal-content {
    -webkit-overscroll-behavior: contain;
    overscroll-behavior: contain;
  }
  
  /* Fix button appearance on iOS */
  button {
    -webkit-appearance: none;
    appearance: none;
    border-radius: 6px;
  }
  
  /* Fix textarea resize on iOS */
  textarea {
    resize: vertical;
    -webkit-appearance: none;
    appearance: none;
  }
}

/* Additional iOS-specific media queries */
@media screen and (-webkit-min-device-pixel-ratio: 2) and (orientation: portrait) {
  /* iPhone and iPad portrait mode optimizations */
  .mobile-menu-toggle {
    touch-action: manipulation;
  }
  
  .verse-text {
    line-height: 1.6;
    padding: 4px 2px;
  }
}

@media screen and (-webkit-min-device-pixel-ratio: 2) and (orientation: landscape) {
  /* iPhone and iPad landscape mode optimizations */
  .ai-chat-panel {
    max-height: 80vh;
  }
  
  .top-navbar {
    height: 50px;
  }
}