/*
 * Filename: responsive.css
 * Purpose: Comprehensive responsive CSS for web optimization
 * Author: Kevin Doyle Jr. / Infinitum Imagery LLC
 * Last Modified: 2024-01-15
 * Dependencies: None
 * Platform Compatibility: Web
 */

/* MARK: - CSS Custom Properties for Responsive Design */
:root {
  /* Responsive Breakpoints */
  --mobile-small: 320px;
  --mobile-medium: 375px;
  --mobile-large: 414px;
  --mobile-xlarge: 480px;
  --tablet-small: 640px;
  --tablet-medium: 768px;
  --tablet-large: 834px;
  --tablet-xlarge: 1024px;
  --desktop-small: 1280px;
  --desktop-medium: 1440px;
  --desktop-large: 1920px;
  --desktop-xlarge: 2560px;
  --ultra-wide: 3440px;
  --foldable-small: 600px;
  --foldable-large: 840px;

  /* Responsive Spacing */
  --spacing-xs: 4px;
  --spacing-sm: 8px;
  --spacing-md: 16px;
  --spacing-lg: 24px;
  --spacing-xl: 32px;
  --spacing-2xl: 48px;
  --spacing-3xl: 64px;

  /* Responsive Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 2.25rem;
  --font-size-5xl: 3rem;

  /* Responsive Border Radius */
  --border-radius-sm: 4px;
  --border-radius-md: 8px;
  --border-radius-lg: 12px;
  --border-radius-xl: 16px;
  --border-radius-2xl: 24px;
  --border-radius-full: 9999px;

  /* Responsive Shadows */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);

  /* Responsive Touch Targets */
  --touch-target-min: 44px;
  --touch-target-comfortable: 48px;
  --touch-target-large: 56px;
}

/* MARK: - Base Responsive Styles */
* {
  box-sizing: border-box;
}

html {
  font-size: 16px;
  -webkit-text-size-adjust: 100%;
  -ms-text-size-adjust: 100%;
}

body {
  margin: 0;
  padding: 0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
  line-height: 1.5;
  color: #1f2937;
  background-color: #ffffff;
  overflow-x: hidden;
}

/* MARK: - Responsive Container */
.container {
  width: 100%;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 var(--spacing-md);
}

@media (min-width: 640px) {
  .container {
    max-width: 640px;
    padding: 0 var(--spacing-lg);
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 768px;
    padding: 0 var(--spacing-xl);
  }
}

@media (min-width: 1024px) {
  .container {
    max-width: 1024px;
    padding: 0 var(--spacing-2xl);
  }
}

@media (min-width: 1280px) {
  .container {
    max-width: 1280px;
  }
}

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

/* MARK: - Responsive Grid System */
.grid {
  display: grid;
  gap: var(--spacing-md);
}

.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));
}

.grid-cols-5 {
  grid-template-columns: repeat(5, minmax(0, 1fr));
}

.grid-cols-6 {
  grid-template-columns: repeat(6, minmax(0, 1fr));
}

/* Responsive Grid Columns */
@media (min-width: 640px) {
  .sm\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .sm\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .sm\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 768px) {
  .md\:grid-cols-2 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .md\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .md\:grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .md\:grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .lg\:grid-cols-3 {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .lg\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .lg\:grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .lg\:grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

@media (min-width: 1280px) {
  .xl\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .xl\:grid-cols-5 {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
  .xl\:grid-cols-6 {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
}

/* MARK: - Responsive Flexbox */
.flex {
  display: flex;
}

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

.flex-row {
  flex-direction: row;
}

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

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

.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;
}

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

/* MARK: - Responsive Spacing */
.p-0 { padding: 0; }
.p-1 { padding: var(--spacing-xs); }
.p-2 { padding: var(--spacing-sm); }
.p-3 { padding: var(--spacing-md); }
.p-4 { padding: var(--spacing-lg); }
.p-5 { padding: var(--spacing-xl); }
.p-6 { padding: var(--spacing-2xl); }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: var(--spacing-xs); padding-right: var(--spacing-xs); }
.px-2 { padding-left: var(--spacing-sm); padding-right: var(--spacing-sm); }
.px-3 { padding-left: var(--spacing-md); padding-right: var(--spacing-md); }
.px-4 { padding-left: var(--spacing-lg); padding-right: var(--spacing-lg); }
.px-5 { padding-left: var(--spacing-xl); padding-right: var(--spacing-xl); }
.px-6 { padding-left: var(--spacing-2xl); padding-right: var(--spacing-2xl); }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: var(--spacing-xs); padding-bottom: var(--spacing-xs); }
.py-2 { padding-top: var(--spacing-sm); padding-bottom: var(--spacing-sm); }
.py-3 { padding-top: var(--spacing-md); padding-bottom: var(--spacing-md); }
.py-4 { padding-top: var(--spacing-lg); padding-bottom: var(--spacing-lg); }
.py-5 { padding-top: var(--spacing-xl); padding-bottom: var(--spacing-xl); }
.py-6 { padding-top: var(--spacing-2xl); padding-bottom: var(--spacing-2xl); }

.m-0 { margin: 0; }
.m-1 { margin: var(--spacing-xs); }
.m-2 { margin: var(--spacing-sm); }
.m-3 { margin: var(--spacing-md); }
.m-4 { margin: var(--spacing-lg); }
.m-5 { margin: var(--spacing-xl); }
.m-6 { margin: var(--spacing-2xl); }

.mx-auto { margin-left: auto; margin-right: auto; }

/* MARK: - Responsive Typography */
.text-xs { font-size: var(--font-size-xs); }
.text-sm { font-size: var(--font-size-sm); }
.text-base { font-size: var(--font-size-base); }
.text-lg { font-size: var(--font-size-lg); }
.text-xl { font-size: var(--font-size-xl); }
.text-2xl { font-size: var(--font-size-2xl); }
.text-3xl { font-size: var(--font-size-3xl); }
.text-4xl { font-size: var(--font-size-4xl); }
.text-5xl { font-size: var(--font-size-5xl); }

.font-thin { font-weight: 100; }
.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; }
.font-extrabold { font-weight: 800; }
.font-black { font-weight: 900; }

.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

/* MARK: - Responsive Display */
.block { display: block; }
.inline-block { display: inline-block; }
.inline { display: inline; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.inline-grid { display: inline-grid; }
.hidden { display: none; }

@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:inline-block { display: inline-block; }
  .sm\:inline { display: inline; }
  .sm\:flex { display: flex; }
  .sm\:inline-flex { display: inline-flex; }
  .sm\:grid { display: grid; }
  .sm\:inline-grid { display: inline-grid; }
  .sm\:hidden { display: none; }
}

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

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

@media (min-width: 1280px) {
  .xl\:block { display: block; }
  .xl\:inline-block { display: inline-block; }
  .xl\:inline { display: inline; }
  .xl\:flex { display: flex; }
  .xl\:inline-flex { display: inline-flex; }
  .xl\:grid { display: grid; }
  .xl\:inline-grid { display: inline-grid; }
  .xl\:hidden { display: none; }
}

/* MARK: - Responsive Width */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-screen { width: 100vw; }
.w-min { width: min-content; }
.w-max { width: max-content; }
.w-fit { width: fit-content; }

.w-1 { width: 0.25rem; }
.w-2 { width: 0.5rem; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-48 { width: 12rem; }
.w-56 { width: 14rem; }
.w-64 { width: 16rem; }
.w-72 { width: 18rem; }
.w-80 { width: 20rem; }
.w-96 { width: 24rem; }

/* MARK: - Responsive Height */
.h-full { height: 100%; }
.h-auto { height: auto; }
.h-screen { height: 100vh; }
.h-min { height: min-content; }
.h-max { height: max-content; }
.h-fit { height: fit-content; }

.h-1 { height: 0.25rem; }
.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-32 { height: 8rem; }
.h-40 { height: 10rem; }
.h-48 { height: 12rem; }
.h-56 { height: 14rem; }
.h-64 { height: 16rem; }
.h-72 { height: 18rem; }
.h-80 { height: 20rem; }
.h-96 { height: 24rem; }

/* MARK: - Responsive Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: var(--border-radius-sm); }
.rounded { border-radius: var(--border-radius-md); }
.rounded-md { border-radius: var(--border-radius-md); }
.rounded-lg { border-radius: var(--border-radius-lg); }
.rounded-xl { border-radius: var(--border-radius-xl); }
.rounded-2xl { border-radius: var(--border-radius-2xl); }
.rounded-full { border-radius: var(--border-radius-full); }

/* MARK: - Responsive Shadows */
.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow { box-shadow: var(--shadow-md); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-xl { box-shadow: var(--shadow-xl); }

/* MARK: - Responsive Touch Targets */
.touch-target {
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
}

.touch-target-comfortable {
  min-height: var(--touch-target-comfortable);
  min-width: var(--touch-target-comfortable);
}

.touch-target-large {
  min-height: var(--touch-target-large);
  min-width: var(--touch-target-large);
}

/* MARK: - Responsive Images */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.responsive-img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* MARK: - Responsive Tables */
table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
}

@media (max-width: 767px) {
  .responsive-table {
    display: block;
    overflow-x: auto;
    white-space: nowrap;
  }
}

/* MARK: - Responsive Forms */
input, textarea, select {
  width: 100%;
  min-height: var(--touch-target-min);
  padding: var(--spacing-sm) var(--spacing-md);
  border: 1px solid #d1d5db;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  line-height: 1.5;
}

input:focus, textarea:focus, select:focus {
  outline: none;
  border-color: #6366f1;
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.1);
}

/* MARK: - Responsive Buttons */
button {
  min-height: var(--touch-target-min);
  min-width: var(--touch-target-min);
  padding: var(--spacing-sm) var(--spacing-md);
  border: none;
  border-radius: var(--border-radius-md);
  font-size: var(--font-size-base);
  font-weight: 500;
  cursor: pointer;
  transition: all 0.2s ease-in-out;
}

button:hover {
  opacity: 0.9;
}

button:active {
  transform: translateY(1px);
}

button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

/* MARK: - Responsive Cards */
.card {
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--spacing-lg);
  margin-bottom: var(--spacing-md);
}

@media (min-width: 768px) {
  .card {
    padding: var(--spacing-xl);
    margin-bottom: var(--spacing-lg);
  }
}

/* MARK: - Responsive Navigation */
.nav {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
}

@media (min-width: 768px) {
  .nav {
    flex-direction: row;
    gap: var(--spacing-md);
  }
}

.nav-item {
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  color: #374151;
  border-radius: var(--border-radius-md);
  transition: all 0.2s ease-in-out;
}

.nav-item:hover {
  background-color: #f3f4f6;
  color: #1f2937;
}

.nav-item.active {
  background-color: #6366f1;
  color: white;
}

/* MARK: - Responsive Modals */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}

.modal-content {
  background: white;
  border-radius: var(--border-radius-lg);
  padding: var(--spacing-lg);
  margin: var(--spacing-md);
  max-width: 90%;
  max-height: 90%;
  overflow-y: auto;
}

@media (min-width: 768px) {
  .modal-content {
    max-width: 500px;
    padding: var(--spacing-xl);
  }
}

/* MARK: - Responsive 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: 0;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.break-words {
  word-wrap: break-word;
  overflow-wrap: break-word;
}

.break-all {
  word-break: break-all;
}

/* MARK: - Responsive Animations */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* MARK: - Responsive Print Styles */
@media print {
  * {
    background: transparent !important;
    color: black !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a, a:visited {
    text-decoration: underline;
  }
  
  a[href]:after {
    content: " (" attr(href) ")";
  }
  
  abbr[title]:after {
    content: " (" attr(title) ")";
  }
  
  .no-print {
    display: none !important;
  }
}

/* MARK: - Responsive Dark Mode */
@media (prefers-color-scheme: dark) {
  :root {
    --text-color: #f9fafb;
    --bg-color: #111827;
    --border-color: #374151;
  }
  
  body {
    background-color: var(--bg-color);
    color: var(--text-color);
  }
  
  .card {
    background: #1f2937;
    border: 1px solid var(--border-color);
  }
  
  input, textarea, select {
    background-color: #1f2937;
    border-color: var(--border-color);
    color: var(--text-color);
  }
  
  .nav-item {
    color: #d1d5db;
  }
  
  .nav-item:hover {
    background-color: #374151;
    color: var(--text-color);
  }
}

/* MARK: - Responsive High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --text-color: #000000;
    --bg-color: #ffffff;
  }
  
  * {
    border-color: var(--border-color) !important;
  }
}

/* MARK: - Responsive Focus Styles */
*:focus {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

*:focus:not(:focus-visible) {
  outline: none;
}

*:focus-visible {
  outline: 2px solid #6366f1;
  outline-offset: 2px;
}

/* MARK: - Responsive Scrollbar Styles */
::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: #cbd5e1;
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #94a3b8;
}

/* MARK: - Responsive Selection Styles */
::selection {
  background-color: #6366f1;
  color: white;
}

::-moz-selection {
  background-color: #6366f1;
  color: white;
}

/* Suggestions For Features and Additions Later:
 * - Add responsive container queries support
 * - Implement responsive aspect ratio utilities
 * - Add responsive backdrop blur utilities
 * - Create responsive gradient utilities
 * - Add responsive animation utilities
 * - Implement responsive transform utilities
 * - Add responsive filter utilities
 * - Create responsive backdrop utilities
 * - Add responsive ring utilities
 * - Implement responsive divide utilities
 */