/* 
Responsive Enhancements and Modern CSS Features
==================================================
*/

/* Container queries support (where available) */
@supports not (width: container()) {
  /* Fallback for browsers without container queries */
  .responsive-container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
  }
}

/* Grid layout enhancements */
.grid-responsive {
  display: grid;
  gap: 1.5rem;
  grid-template-columns: repeat(auto-fit, minmax(min(300px, 100%), 1fr));
}

/* Enhanced media queries with logical properties */
@media (max-width: 768px) {
  .layout-responsive {
    padding-inline: 1rem;
    margin-inline: auto;
  }
  
  .text-center-mobile {
    text-align: center;
  }
  
  .flex-column-mobile {
    flex-direction: column;
  }
}

/* Fluid typography */
:root {
  --min-font-size: 1rem;
  --max-font-size: 1.25rem;
  --min-screen: 320px;
  --max-screen: 1200px;
  --fluid-type-scale: clamp(var(--min-font-size), calc(var(--min-font-size) + (var(--max-font-size) - var(--min-font-size)) * ((100vw - var(--min-screen)) / (var(--max-screen) - var(--min-screen)))), var(--max-font-size));
}

.fluid-text {
  font-size: var(--fluid-type-scale);
}

/* Enhanced focus management */
.focus-trap {
  outline: 2px solid transparent;
}

.focus-trap:focus-within {
  outline: 2px solid var(--apple-space);
  outline-offset: 2px;
}

/* Better scroll behavior */
.smooth-scroll {
  scroll-behavior: smooth;
}

/* Overscroll behavior */
.no-overscroll {
  overscroll-behavior: none;
}

/* Scroll margin for anchor links */
.scroll-margin {
  scroll-margin-top: 100px;
}

/* Enhanced touch targets */
.touch-target {
  min-height: 44px;
  min-width: 44px;
  touch-action: manipulation;
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .animate-if-allowed {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Color scheme preference */
@media (prefers-color-scheme: dark) {
  .color-scheme-aware {
    background-color: #1a1a1a;
    color: #ffffff;
  }
}

/* Forced colors mode for accessibility */
@media (forced-colors: active) {
  .forced-colors-aware {
    forced-color-adjust: preserve-parent-color;
  }
}

/* Viewport units fallback for older browsers */
.viewport-height {
  height: 100vh;
  height: 100dvh; /* dynamic viewport height */
}

.viewport-width {
  width: 100vw;
  width: 100dvw; /* dynamic viewport width */
}

/* Aspect ratio boxes */
.aspect-video {
  aspect-ratio: 16 / 9;
}

.aspect-square {
  aspect-ratio: 1 / 1;
}

/* Content visibility for performance */
.content-visibility {
  content-visibility: auto;
  contain-intrinsic-size: auto 300px;
}

/* Logical properties for RTL support */
.logical-padding {
  padding-block: 1rem;
  padding-inline: 1rem;
}

.logical-margin {
  margin-block: 1rem;
  margin-inline: 1rem;
}

/* Container queries (future-proof) */
@container (min-width: 400px) {
  .container-query-element {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }
}

/* Scroll-driven animations (experimental) */
@keyframes slideIn {
  from {
    transform: translateX(-100%);
    opacity: 0;
  }
  to {
    transform: translateX(0);
    opacity: 1;
  }
}

.scroll-animation {
  animation-timeline: scroll();
}

/* Modern focus styles */
.focus-visible {
  outline: 2px solid var(--apple-space);
  outline-offset: 2px;
}

.focus-visible:focus {
  outline: 2px solid var(--apple-space);
  outline-offset: 2px;
}

/* Better form controls */
.form-control-enhanced {
  appearance: none;
  border: 1px solid #ccc;
  border-radius: 4px;
  padding: 0.5rem;
  font-size: 1rem;
}

.form-control-enhanced:focus {
  outline: 2px solid var(--apple-space);
  outline-offset: 2px;
  border-color: var(--apple-space);
}

/* Enhanced button styles */
.button-enhanced {
  border: none;
  border-radius: 6px;
  padding: 0.5rem 1rem;
  font-size: 1rem;
  cursor: pointer;
  transition: all 0.2s ease;
  touch-action: manipulation;
}

.button-enhanced:hover {
  transform: translateY(-1px);
}

.button-enhanced:active {
  transform: translateY(0);
}

/* Better image handling */
.image-enhanced {
  width: 100%;
  height: auto;
  object-fit: cover;
  image-rendering: -webkit-optimize-contrast;
  image-rendering: crisp-edges;
}

/* Loading states */
.loading {
  opacity: 0.6;
  pointer-events: none;
}

.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid #ccc;
  border-top-color: var(--apple-space);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

/* Motion safe animations */
@media (prefers-reduced-motion: no-preference) {
  .motion-safe {
    animation: fadeIn 0.3s ease-in-out;
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Print styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  .print-only {
    display: block !important;
  }
  
  .print-break-inside {
    break-inside: avoid;
  }
  
  .print-break-after {
    break-after: always;
  }
}

/* High DPI displays */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
  .high-dpi {
    image-rendering: -webkit-optimize-contrast;
    image-rendering: crisp-edges;
  }
}

/* Pointer device detection */
@media (pointer: fine) {
  .mouse-device {
    cursor: pointer;
  }
}

@media (pointer: coarse) {
  .touch-device {
    /* Touch-friendly styles */
  }
}

/* Hover capability detection */
@media (hover: hover) {
  .hover-capable {
    /* Styles for devices with hover capability */
  }
}

/* Better table styles for responsive design */
.table-responsive-enhanced {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

/* Modern CSS Grid with fallback */
.grid-modern {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
  gap: 1.5rem;
}

/* CSS Custom Highlight API support (future) */
::highlight(custom-highlight) {
  background-color: yellow;
  color: black;
}

/* CSS Anchor Positioning (future) */
@position-try {
  /* Fallback positioning */
}