/**
 * Responsive Utilities
 * Mobile-first responsive helper classes
 */

/* Container Utilities */
.container {
  width: 100%;
  margin: 0 auto;
  padding: 0 1rem;
}

.container-sm {
  max-width: 640px;
}

.container-md {
  max-width: 768px;
}

.container-lg {
  max-width: 1024px;
}

.container-xl {
  max-width: 1280px;
}

.container-2xl {
  max-width: 1536px;
}

/* Display Utilities */
.hidden {
  display: none !important;
}

.block {
  display: block !important;
}

.inline-block {
  display: inline-block !important;
}

.flex {
  display: flex !important;
}

.inline-flex {
  display: inline-flex !important;
}

.grid {
  display: grid !important;
}

/* Responsive Display */
@media (max-width: 640px) {
  .sm\:hidden { display: none !important; }
  .sm\:block { display: block !important; }
  .sm\:flex { display: flex !important; }
  .sm\:grid { display: grid !important; }
}

@media (max-width: 768px) {
  .md\:hidden { display: none !important; }
  .md\:block { display: block !important; }
  .md\:flex { display: flex !important; }
  .md\:grid { display: grid !important; }
}

@media (max-width: 1024px) {
  .lg\:hidden { display: none !important; }
  .lg\:block { display: block !important; }
  .lg\:flex { display: flex !important; }
  .lg\:grid { display: grid !important; }
}

/* Flexbox Utilities */
.flex-row {
  flex-direction: row;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.items-start {
  align-items: flex-start;
}

.items-center {
  align-items: center;
}

.items-end {
  align-items: flex-end;
}

.justify-start {
  justify-content: flex-start;
}

.justify-center {
  justify-content: center;
}

.justify-end {
  justify-content: flex-end;
}

.justify-between {
  justify-content: space-between;
}

.justify-around {
  justify-content: space-around;
}

.gap-1 {
  gap: 0.25rem;
}

.gap-2 {
  gap: 0.5rem;
}

.gap-3 {
  gap: 0.75rem;
}

.gap-4 {
  gap: 1rem;
}

.gap-6 {
  gap: 1.5rem;
}

.gap-8 {
  gap: 2rem;
}

/* Grid Utilities */
.grid-cols-1 {
  grid-template-columns: repeat(1, minmax(0, 1fr));
}

.grid-cols-2 {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.grid-cols-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-cols-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

@media (max-width: 768px) {
  .md\:grid-cols-1 {
    grid-template-columns: repeat(1, minmax(0, 1fr));
  }

  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* Spacing Utilities */
.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-3 { margin: 0.75rem; }
.m-4 { margin: 1rem; }
.m-6 { margin: 1.5rem; }
.m-8 { margin: 2rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }

/* Text Utilities */
.text-left {
  text-align: left;
}

.text-center {
  text-align: center;
}

.text-right {
  text-align: right;
}

.text-xs {
  font-size: 0.75rem;
}

.text-sm {
  font-size: 0.875rem;
}

.text-base {
  font-size: 1rem;
}

.text-lg {
  font-size: 1.125rem;
}

.text-xl {
  font-size: 1.25rem;
}

.text-2xl {
  font-size: 1.5rem;
}

.text-3xl {
  font-size: 1.875rem;
}

.font-light {
  font-weight: 300;
}

.font-normal {
  font-weight: 400;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

/* Overflow Utilities */
.overflow-hidden {
  overflow: hidden;
}

.overflow-auto {
  overflow: auto;
}

.overflow-scroll {
  overflow: scroll;
}

.overflow-x-auto {
  overflow-x: auto;
  overflow-y: hidden;
}

.overflow-y-auto {
  overflow-y: auto;
  overflow-x: hidden;
}

/* Smooth Scroll Container */
.scroll-smooth {
  scroll-behavior: smooth;
  -webkit-overflow-scrolling: touch;
}

/* Hide Scrollbar */
.scrollbar-none {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

.scrollbar-none::-webkit-scrollbar {
  display: none;
}

/* Position Utilities */
.relative {
  position: relative;
}

.absolute {
  position: absolute;
}

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

/* Width Utilities */
.w-full {
  width: 100%;
}

.w-auto {
  width: auto;
}

.w-screen {
  width: 100vw;
}

/* Height Utilities */
.h-full {
  height: 100%;
}

.h-auto {
  height: auto;
}

.h-screen {
  height: 100vh;
}

/* Touch Target Optimization */
.touch-target {
  min-width: 44px;
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* Safe Area Support */
.safe-top {
  padding-top: max(1rem, env(safe-area-inset-top));
}

.safe-bottom {
  padding-bottom: max(1rem, env(safe-area-inset-bottom));
}

.safe-left {
  padding-left: max(1rem, env(safe-area-inset-left));
}

.safe-right {
  padding-right: max(1rem, env(safe-area-inset-right));
}

/* Aspect Ratio Utilities */
.aspect-square {
  aspect-ratio: 1 / 1;
}

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

.aspect-4-3 {
  aspect-ratio: 4 / 3;
}

/* Mobile-Specific Utilities */
@media (max-width: 768px) {
  .mobile-full {
    width: 100%;
  }

  .mobile-center {
    text-align: center;
  }

  .mobile-stack {
    flex-direction: column;
  }

  .mobile-p-4 {
    padding: 1rem;
  }

  .mobile-text-sm {
    font-size: 0.875rem;
  }
}

/* Accessibility Utilities */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

.not-sr-only {
  position: static;
  width: auto;
  height: auto;
  padding: 0;
  margin: 0;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Focus Utilities */
.focus-visible {
  outline: 2px solid rgba(59, 130, 246, 1);
  outline-offset: 2px;
}

.focus-ring {
  transition: box-shadow 0.2s ease;
}

.focus-ring:focus {
  box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5);
  outline: none;
}

/* Print Utilities */
@media print {
  .print-hidden {
    display: none !important;
  }

  .print-block {
    display: block !important;
  }
}