/* =================================================================
   RESPONSIVE.CSS - Responsive Design Breakpoints
   
   This file contains all responsive design rules:
   - Mobile-first responsive breakpoints
   - Tablet and desktop optimizations
   - Formatting toolbar responsive adjustments
   - Layout changes for different screen sizes
   ================================================================= */

/* ===== LARGE SCREENS (1400px+) ===== */
/* Desktop and large displays - show full interface */
@media (min-width: 1400px) {
  .github-text {
    display: inline;
  }
  
  .formatting-toolbar {
    gap: 4px;
    padding: 7px 10px 10px 10px;
    justify-content: center;
  }
  
  .format-button {
    padding: 6px 8px;
    min-width: 30px;
    height: 30px;
    font-size: 12px;
  }
  
  .format-button i {
    font-size: 14px;
  }
  
  #format-h1, #format-h2, #format-h3 {
    min-width: 32px;
    font-size: 12px;
    font-weight: 700;
  }
  
  .toolbar-separator {
    height: 20px;
    margin: 0 4px;
  }
}

/* ===== MEDIUM SCREENS (1200px - 1399px) ===== */
/* Laptop and medium displays */
@media (max-width: 1399px) and (min-width: 1200px) {
  .header-container {
    gap: 1.5rem;
  }
  
  .header-actions {
    gap: 1rem;
  }
  
  .btn-text {
    display: none;
  }
  
  .formatting-toolbar {
    gap: 3px;
    padding: 7px 10px 10px 10px;
    justify-content: center;
  }
  
  .format-button {
    padding: 5px 7px;
    min-width: 27px;
    height: 27px;
    font-size: 11px;
  }
  
  .format-button i {
    font-size: 13px;
  }
  
  #format-h1, #format-h2, #format-h3 {
    min-width: 29px;
    font-size: 11px;
    font-weight: 700;
  }
  
  .toolbar-separator {
    height: 18px;
    margin: 0 3px;
  }
}

/* ===== SMALL SCREENS (1080px - 1199px) ===== */
/* Compact laptop displays */
@media (max-width: 1199px) and (min-width: 1080px) {
  .formatting-toolbar {
    gap: 2px;
    padding: 7px 10px 10px 10px;
    justify-content: center;
  }
  
  .format-button {
    padding: 4px 5px;
    min-width: 24px;
    height: 24px;
    font-size: 10px;
  }
  
  .format-button i {
    font-size: 12px;
  }
  
  #format-h1, #format-h2, #format-h3 {
    min-width: 26px;
    font-size: 10px;
    font-weight: 700;
  }
  
  .toolbar-separator {
    height: 16px;
    margin: 0 2px;
    width: 0.8px;
  }
}

/* ===== TABLET LAYOUT (769px - 1200px) ===== */
/* Tablet displays - show hamburger menu */
@media (max-width: 1200px) and (min-width: 769px) {
  .header-actions {
    display: none;
  }
  
  .mobile-menu {
    display: block !important;
  }
}

/* ===== MOBILE LAYOUT (768px and below) ===== */
/* Mobile devices - simplified interface */
@media (max-width: 768px) {
  .header-container {
    padding: 0.75rem 1rem;
    gap: 1rem;
  }
  
  .header-divider {
    display: none;
  }
  
  .github-badge {
    display: none;
  }
  
  .header-actions {
    display: none;
  }
  
  .mobile-menu {
    display: block !important;
  }
  
  /* Ensure preview content is properly centered on small mobile screens */
  .markdown-body {
    max-width: 98% !important;
    margin: 0 auto !important;
    padding: 20px !important;
  }
}

/* ===== MOBILE/TABLET LAYOUT ADJUSTMENTS (1080px and below) ===== */
/* Switch to vertical layout for smaller screens */
@media (max-width: 1080px) {
  /* Switch to vertical layout */
  .content-container {
    flex-direction: column;
  }
  
  .editor-pane, .preview-pane {
    flex: none;
    height: 50%;
    border-right: none;
  }
  
  .editor-pane {
    border-bottom: 1px solid var(--border-color);
  }
  
  .toolbar {
    flex-wrap: wrap;
    justify-content: center;
    gap: 1rem;
  }
  
  /* Hide formatting toolbar on mobile */
  .formatting-toolbar {
    display: none !important;
  }
  
  .editor-wrapper {
    height: 100%; /* Remove toolbar height offset on mobile */
  }
  
  /* Ensure preview content stays centered on mobile */
  .markdown-body {
    max-width: 95% !important;
    margin: 0 auto !important;
  }
  

}