/* ===================================
   Responsive Styles
   =================================== */

/* Mobile First Approach - Base styles are for mobile */

/* ===================================
   Small Tablets and Large Phones
   min-width: 640px (sm)
   =================================== */

@media (min-width: 640px) {
  /* Typography */
  h1 {
    font-size: 3rem;
  }

  /* Word Grid */
  #wordGrid {
    grid-template-columns: repeat(3, 1fr);
  }

  /* Spacing */
  .container {
    padding-left: 2rem;
    padding-right: 2rem;
  }
}

/* ===================================
   Tablets
   min-width: 768px (md)
   =================================== */

@media (min-width: 768px) {
  /* Typography */
  h1 {
    font-size: 3.5rem;
  }

  h2 {
    font-size: 2rem;
  }

  /* Sections */
  .seo-section {
    padding: 2.5rem;
  }

  /* Grid Layouts */
  .grid-md-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
  }
}

/* ===================================
   Large Tablets and Small Desktops
   min-width: 1024px (lg)
   =================================== */

@media (min-width: 1024px) {
  /* Typography */
  h1 {
    font-size: 4rem;
  }

  /* Generator Controls - Sticky Sidebar */
  .generator-controls {
    position: sticky;
    top: 2rem;
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }

  /* Main Layout */
  .main-layout {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 2rem;
  }

  /* Word Grid - 3 columns on desktop */
  #wordGrid {
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
  }

  /* SEO Content */
  .seo-section {
    padding: 3rem;
  }
}

/* ===================================
   Large Desktops
   min-width: 1280px (xl)
   =================================== */

@media (min-width: 1280px) {
  /* Container Max Width */
  .container {
    max-width: 1280px;
  }

  /* Typography */
  h1 {
    font-size: 4.5rem;
  }
}

/* ===================================
   Extra Large Desktops
   min-width: 1536px (2xl)
   =================================== */

@media (min-width: 1536px) {
  .container {
    max-width: 1536px;
  }
}

/* ===================================
   Mobile Specific Optimizations
   max-width: 639px
   =================================== */

@media (max-width: 639px) {
  /* Generator Controls */
  .generator-controls {
    position: static;
    width: 100%;
    margin-bottom: 2rem;
  }

  /* Word Grid - 2 columns on mobile */
  #wordGrid {
    grid-template-columns: repeat(2, 1fr);
    gap: 0.75rem;
  }

  /* Button Groups */
  .button-group {
    flex-direction: column;
    width: 100%;
  }

  .button-group button {
    width: 100%;
  }

  /* Export Buttons - Stack on mobile */
  #exportButtons {
    flex-direction: column;
    width: 100%;
  }

  #exportButtons button {
    width: 100%;
    justify-content: center;
  }

  /* Reduce padding on mobile */
  .seo-section {
    padding: 1.5rem;
  }

  /* Header */
  header .text-2xl {
    font-size: 1.5rem;
  }

  /* Typography - Smaller on mobile */
  h1 {
    font-size: 2rem;
    line-height: 1.2;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.25rem;
  }

  /* Hero Section */
  section.text-center p {
    font-size: 1rem;
  }

  /* Difficulty Buttons - Smaller text on mobile */
  .difficulty-btn {
    font-size: 0.875rem;
    padding: 0.5rem;
  }

  /* Toast Notification */
  #toast {
    left: 1rem;
    right: 1rem;
    bottom: 1rem;
  }
}

/* ===================================
   Tablet Portrait Specific
   min-width: 640px and max-width: 1023px
   =================================== */

@media (min-width: 640px) and (max-width: 1023px) {
  /* Center content on tablets */
  .content-sections {
    max-width: 720px;
    margin: 0 auto;
  }

  /* Word Grid - 3 columns on tablet */
  #wordGrid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===================================
   Touch Device Optimizations
   =================================== */

@media (hover: none) and (pointer: coarse) {
  /* Larger tap targets for touch devices */
  button {
    min-height: 44px;
    min-width: 44px;
  }

  /* Disable hover effects on touch devices */
  .word-card:hover {
    transform: none;
  }

  button:hover {
    transform: none;
  }

  /* Remove sticky positioning on touch devices for better scrolling */
  .generator-controls {
    position: static !important;
  }
}

/* ===================================
   Print Styles
   =================================== */

@media print {
  /* Hide interactive elements */
  header,
  footer,
  #generateBtn,
  #exportButtons,
  #toast,
  .difficulty-btn {
    display: none !important;
  }

  /* Adjust colors for print */
  body {
    background: white;
    color: black;
  }

  .word-card {
    border: 1px solid #ccc;
    background: white;
    color: black;
  }

  /* Page breaks */
  .seo-section {
    page-break-inside: avoid;
  }
}

/* ===================================
   Dark Mode Support (Optional)
   =================================== */

@media (prefers-color-scheme: light) {
  /* If you want to support light mode in the future */
  /* Currently the design is dark-only */
}

/* ===================================
   Landscape Orientation (Mobile)
   =================================== */

@media (max-width: 900px) and (orientation: landscape) {
  /* Optimize for mobile landscape */
  .generator-controls {
    max-height: calc(100vh - 4rem);
    overflow-y: auto;
  }

  /* Reduce vertical spacing */
  section {
    padding-top: 2rem;
    padding-bottom: 2rem;
  }
}

/* ===================================
   High DPI / Retina Displays
   =================================== */

@media (-webkit-min-device-pixel-ratio: 2),
       (min-resolution: 192dpi) {
  /* Optimize for retina displays if needed */
  /* Currently using SVG icons which scale perfectly */
}

/* ===================================
   Accessibility - Large Text
   =================================== */

@media (prefers-reduced-transparency: reduce) {
  .backdrop-blur-sm {
    backdrop-filter: none;
  }
}

/* ===================================
   Container Queries (Future-proof)
   =================================== */

/* When container queries become widely supported */
/* @container (min-width: 400px) { ... } */