/*
================================================================================
SOGS OF CONQUEST MOBILE - BASE STYLES
A sophisticated, pixel-art fantasy foundation with strategic nostalgia
================================================================================
*/

/*
================================================================================
ROOT VARIABLES
================================================================================
*/
:root {
  /* Color Palette - Fantasy Strategic Theme */
  --color-bg-primary: #0a1628;
  --color-bg-secondary: #142038;
  --color-bg-elevated: #1a2b45;
  --color-bg-parchment: #f5ead6;
  --color-bg-parchment-light: #faf6ed;
  
  --color-text-primary: #e8dcc8;
  --color-text-secondary: #c4b5a0;
  --color-text-muted: #8a7f6f;
  --color-text-inverse: #1a2b45;
  
  --color-primary: #1b7d7d;
  --color-primary-dark: #145c5c;
  --color-primary-light: #2a9e9e;
  
  --color-accent-purple: #4a2b5c;
  --color-accent-purple-light: #6b3d8a;
  --color-accent-gold: #b8935f;
  --color-accent-gold-light: #d4ab78;
  
  --color-success: #4a8c6a;
  --color-success-light: #5da982;
  --color-warning: #c8973d;
  --color-warning-light: #e0b05a;
  --color-danger: #a8423c;
  --color-danger-light: #c65550;
  
  --color-neutral-100: #f5f5f5;
  --color-neutral-200: #e0e0e0;
  --color-neutral-300: #c4c4c4;
  --color-neutral-400: #9e9e9e;
  --color-neutral-500: #757575;
  --color-neutral-600: #545454;
  --color-neutral-700: #383838;
  --color-neutral-800: #262626;
  --color-neutral-900: #1a1a1a;
  
  --color-steel: #6b7b8c;
  --color-steel-light: #8a9aab;
  
  /* Typography */
  --font-primary: 'Georgia', 'Times New Roman', serif;
  --font-secondary: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', sans-serif;
  --font-pixel: 'Courier New', 'Courier', monospace;
  
  --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;
  --font-size-6xl: 3.75rem;
  
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;
  --line-height-loose: 2;
  
  --font-weight-normal: 400;
  --font-weight-medium: 500;
  --font-weight-semibold: 600;
  --font-weight-bold: 700;
  
  --letter-spacing-tight: -0.025em;
  --letter-spacing-normal: 0;
  --letter-spacing-wide: 0.025em;
  --letter-spacing-wider: 0.05em;
  --letter-spacing-widest: 0.1em;
  
  /* Spacing Scale */
  --space-0: 0;
  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;
  --space-24: 6rem;
  
  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
  --radius-full: 9999px;
  
  /* Shadows - Strategic depth */
  --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.4);
  --shadow-base: 0 1px 3px 0 rgba(0, 0, 0, 0.5), 0 1px 2px 0 rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.6), 0 4px 6px -2px rgba(0, 0, 0, 0.35);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.6), 0 10px 10px -5px rgba(0, 0, 0, 0.3);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
  --shadow-inner: inset 0 2px 4px 0 rgba(0, 0, 0, 0.4);
  --shadow-glow: 0 0 15px rgba(27, 125, 125, 0.4);
  --shadow-glow-gold: 0 0 20px rgba(184, 147, 95, 0.3);
  
  /* Borders */
  --border-width: 1px;
  --border-width-2: 2px;
  --border-width-4: 4px;
  --border-color: rgba(107, 123, 140, 0.3);
  --border-color-light: rgba(232, 220, 200, 0.15);
  --border-color-accent: rgba(27, 125, 125, 0.5);
  
  /* Transitions */
  --transition-fast: 150ms;
  --transition-base: 200ms;
  --transition-slow: 300ms;
  --transition-slower: 500ms;
  --transition-timing: cubic-bezier(0.4, 0, 0.2, 1);
  
  /* Z-index Scale */
  --z-base: 1;
  --z-dropdown: 1000;
  --z-sticky: 1020;
  --z-fixed: 1030;
  --z-modal-backdrop: 1040;
  --z-modal: 1050;
  --z-popover: 1060;
  --z-tooltip: 1070;
  
  /* Layout */
  --container-max-width: 1280px;
  --container-padding: var(--space-4);
  --content-max-width: 65ch;
  
  /* Pixel Art Enhancements */
  --pixel-border: 2px solid var(--color-steel);
  --pixel-shadow: 4px 4px 0 rgba(0, 0, 0, 0.3);
}

/*
================================================================================
RESET & NORMALIZE
================================================================================
*/

/* Box sizing reset */
*,
*::before,
*::after {
  box-sizing: border-box;
}

/* Remove default margins and paddings */
* {
  margin: 0;
  padding: 0;
}

/* Document & Root */
html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

@media (prefers-reduced-motion: no-preference) {
  html {
    scroll-behavior: smooth;
  }
}

html:focus-within {
  scroll-behavior: smooth;
}

/* Body */
body {
  min-height: 100vh;
  line-height: var(--line-height-normal);
  font-family: var(--font-secondary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-primary);
  background-image: 
    radial-gradient(circle at 20% 50%, rgba(27, 125, 125, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 80%, rgba(74, 43, 92, 0.05) 0%, transparent 50%);
  background-attachment: fixed;
  overflow-x: hidden;
}

/* Media elements */
img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

/* Pixel art images should be crisp */
img[class*="pixel"],
img[class*="sprite"],
.pixel-art {
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
}

/* Form elements */
input,
button,
textarea,
select {
  font: inherit;
  color: inherit;
}

/* Remove button styles */
button {
  background: none;
  border: none;
  cursor: pointer;
}

/* Prevent textarea resize breaking layout */
textarea {
  resize: vertical;
}

/* Remove list styles */
ol,
ul {
  list-style: none;
}

/* Table reset */
table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* Remove animations for people who prefer not to see them */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/*
================================================================================
BASE TYPOGRAPHY
================================================================================
*/

/* Headings */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: var(--font-primary);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-accent-gold-light);
  margin-bottom: var(--space-4);
  letter-spacing: var(--letter-spacing-wide);
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

h1 {
  font-size: var(--font-size-4xl);
  margin-bottom: var(--space-6);
}

h2 {
  font-size: var(--font-size-3xl);
  margin-bottom: var(--space-5);
}

h3 {
  font-size: var(--font-size-2xl);
}

h4 {
  font-size: var(--font-size-xl);
}

h5 {
  font-size: var(--font-size-lg);
}

h6 {
  font-size: var(--font-size-base);
}

@media (min-width: 768px) {
  h1 { font-size: var(--font-size-5xl); }
  h2 { font-size: var(--font-size-4xl); }
  h3 { font-size: var(--font-size-3xl); }
}

/* Paragraphs */
p {
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
}

p:last-child {
  margin-bottom: 0;
}

/* Links */
a {
  color: var(--color-primary-light);
  text-decoration: none;
  transition: color var(--transition-base) var(--transition-timing);
  position: relative;
}

a:hover {
  color: var(--color-accent-gold-light);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Text utilities */
strong,
b {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

em,
i {
  font-style: italic;
}

small {
  font-size: var(--font-size-sm);
  color: var(--color-text-secondary);
}

code,
pre {
  font-family: var(--font-pixel);
  font-size: var(--font-size-sm);
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-base);
}

code {
  padding: var(--space-1) var(--space-2);
}

pre {
  padding: var(--space-4);
  overflow-x: auto;
  margin-bottom: var(--space-4);
}

pre code {
  padding: 0;
  background: none;
  border: none;
}

blockquote {
  margin: var(--space-6) 0;
  padding: var(--space-4) var(--space-6);
  border-left: var(--border-width-4) solid var(--color-accent-gold);
  background-color: var(--color-bg-secondary);
  font-style: italic;
  color: var(--color-text-secondary);
}

hr {
  border: none;
  border-top: var(--border-width) solid var(--border-color);
  margin: var(--space-8) 0;
}

/*
================================================================================
LAYOUT UTILITIES
================================================================================
*/

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-fluid {
  width: 100%;
  padding-left: var(--container-padding);
  padding-right: var(--container-padding);
}

.container-narrow {
  max-width: 960px;
}

.container-wide {
  max-width: 1440px;
}

/* Section spacing */
.section {
  padding: var(--space-12) 0;
}

.section-sm {
  padding: var(--space-8) 0;
}

.section-lg {
  padding: var(--space-20) 0;
}

/* Flexbox utilities */
.flex {
  display: flex;
}

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

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

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

.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;
}

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

.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: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* Grid utilities */
.grid {
  display: grid;
}

.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 (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));
  }
}

@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));
  }
}

/* Display utilities */
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.hidden { display: none; }

/* Text alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }

/* Position utilities */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }

/*
================================================================================
COMPONENTS
================================================================================
*/

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-6);
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-tight);
  text-align: center;
  text-decoration: none;
  letter-spacing: var(--letter-spacing-wide);
  border-radius: var(--radius-md);
  border: var(--border-width-2) solid transparent;
  cursor: pointer;
  transition: all var(--transition-base) var(--transition-timing);
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.1);
  transform: translate(-50%, -50%);
  transition: width var(--transition-slow) var(--transition-timing),
              height var(--transition-slow) var(--transition-timing);
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

.btn:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

.btn:active {
  transform: translateY(1px);
}

.btn:disabled,
.btn.disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

/* Button variants */
.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  border-color: var(--color-primary-dark);
  box-shadow: var(--shadow-base), inset 0 1px 0 rgba(255, 255, 255, 0.1);
}

.btn-primary:hover {
  background-color: var(--color-primary-light);
  box-shadow: var(--shadow-glow), var(--shadow-md);
  transform: translateY(-1px);
}

.btn-secondary {
  background-color: var(--color-accent-purple);
  color: var(--color-text-primary);
  border-color: var(--color-accent-purple-light);
  box-shadow: var(--shadow-base);
}

.btn-secondary:hover {
  background-color: var(--color-accent-purple-light);
  box-shadow: var(--shadow-md);
}

.btn-gold {
  background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-light) 100%);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-gold);
  box-shadow: var(--shadow-glow-gold), var(--shadow-base);
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.3);
}

.btn-gold:hover {
  box-shadow: var(--shadow-glow-gold), var(--shadow-lg);
  transform: translateY(-1px);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary-light);
  border-color: var(--color-primary);
}

.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  box-shadow: var(--shadow-glow);
}

.btn-ghost {
  background-color: transparent;
  color: var(--color-text-primary);
  border-color: transparent;
}

.btn-ghost:hover {
  background-color: rgba(27, 125, 125, 0.1);
  border-color: var(--border-color-accent);
}

/* Button sizes */
.btn-sm {
  padding: var(--space-2) var(--space-4);
  font-size: var(--font-size-sm);
}

.btn-lg {
  padding: var(--space-4) var(--space-8);
  font-size: var(--font-size-lg);
}

.btn-block {
  display: flex;
  width: 100%;
}

/* Pixel-style button variant */
.btn-pixel {
  border-radius: 0;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
  font-family: var(--font-pixel);
  text-transform: uppercase;
}

.btn-pixel:hover {
  box-shadow: 6px 6px 0 rgba(0, 0, 0, 0.4);
  transform: translate(-2px, -2px);
}

.btn-pixel:active {
  box-shadow: 2px 2px 0 rgba(0, 0, 0, 0.4);
  transform: translate(2px, 2px);
}

/* Input fields */
.input,
.textarea,
.select {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  line-height: var(--line-height-normal);
  color: var(--color-text-primary);
  background-color: var(--color-bg-secondary);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-md);
  transition: all var(--transition-base) var(--transition-timing);
  box-shadow: var(--shadow-inner);
}

.input::placeholder,
.textarea::placeholder {
  color: var(--color-text-muted);
}

.input:hover,
.textarea:hover,
.select:hover {
  border-color: var(--color-steel-light);
}

.input:focus,
.textarea:focus,
.select:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow), var(--shadow-inner);
  background-color: var(--color-bg-primary);
}

.input:disabled,
.textarea:disabled,
.select:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  background-color: var(--color-bg-primary);
}

.textarea {
  min-height: 120px;
  resize: vertical;
}

.select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23c4b5a0' d='M6 9L1 4h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-3) center;
  padding-right: var(--space-8);
}

/* Input group */
.input-group {
  margin-bottom: var(--space-4);
}

.input-label {
  display: block;
  margin-bottom: var(--space-2);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-medium);
  color: var(--color-text-secondary);
  letter-spacing: var(--letter-spacing-wide);
}

.input-hint {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-text-muted);
}

.input-error {
  border-color: var(--color-danger);
}

.input-error:focus {
  box-shadow: 0 0 0 3px rgba(168, 66, 60, 0.2);
}

.error-message {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--font-size-xs);
  color: var(--color-danger-light);
}

/* Card component */
.card {
  background-color: var(--color-bg-elevated);
  border: var(--border-width) solid var(--border-color);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-md);
  transition: all var(--transition-base) var(--transition-timing);
}

.card:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-2px);
}

.card-header {
  padding: var(--space-5) var(--space-6);
  border-bottom: var(--border-width) solid var(--border-color-light);
  margin: calc(var(--space-6) * -1) calc(var(--space-6) * -1) var(--space-5);
}

.card-header h3,
.card-header h4 {
  margin-bottom: 0;
}

.card-body {
  padding: var(--space-5) 0;
}

.card-footer {
  padding: var(--space-5) var(--space-6);
  border-top: var(--border-width) solid var(--border-color-light);
  margin: var(--space-5) calc(var(--space-6) * -1) calc(var(--space-6) * -1);
  background-color: var(--color-bg-secondary);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* Card variants */
.card-parchment {
  background-color: var(--color-bg-parchment-light);
  color: var(--color-text-inverse);
  border-color: var(--color-accent-gold);
  background-image: 
    repeating-linear-gradient(
      90deg,
      transparent,
      transparent 2px,
      rgba(184, 147, 95, 0.03) 2px,
      rgba(184, 147, 95, 0.03) 4px
    );
}

.card-parchment h1,
.card-parchment h2,
.card-parchment h3,
.card-parchment h4,
.card-parchment h5,
.card-parchment h6 {
  color: var(--color-accent-purple);
}

.card-parchment p,
.card-parchment li {
  color: var(--color-text-inverse);
}

.card-highlight {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow), var(--shadow-lg);
  background: linear-gradient(
    135deg,
    var(--color-bg-elevated) 0%,
    rgba(27, 125, 125, 0.05) 100%
  );
}

.card-pixel {
  border-radius: 0;
  border: var(--pixel-border);
  box-shadow: var(--pixel-shadow);
}

/* Badge component */
.badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: var(--space-1) var(--space-3);
  font-size: var(--font-size-xs);
  font-weight: var(--font-weight-semibold);
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: var(--letter-spacing-wider);
  border-radius: var(--radius-full);
  white-space: nowrap;
}

.badge-primary {
  background-color: var(--color-primary);
  color: var(--color-text-primary);
}

.badge-secondary {
  background-color: var(--color-steel);
  color: var(--color-text-primary);
}

.badge-success {
  background-color: var(--color-success);
  color: var(--color-text-primary);
}

.badge-warning {
  background-color: var(--color-warning);
  color: var(--color-text-inverse);
}

.badge-danger {
  background-color: var(--color-danger);
  color: var(--color-text-primary);
}

.badge-gold {
  background: linear-gradient(135deg, var(--color-accent-gold) 0%, var(--color-accent-gold-light) 100%);
  color: var(--color-text-inverse);
  box-shadow: var(--shadow-glow-gold);
}

.badge-outline {
  background-color: transparent;
  border: var(--border-width) solid currentColor;
}

/* Alert component */
.alert {
  padding: var(--space-4) var(--space-5);
  border-radius: var(--radius-md);
  border: var(--border-width) solid transparent;
  margin-bottom: var(--space-4);
}

.alert-info {
  background-color: rgba(27, 125, 125, 0.15);
  border-color: var(--color-primary);
  color: var(--color-primary-light);
}

.alert-success {
  background-color: rgba(74, 140, 106, 0.15);
  border-color: var(--color-success);
  color: var(--color-success-light);
}

.alert-warning {
  background-color: rgba(200, 151, 61, 0.15);
  border-color: var(--color-warning);
  color: var(--color-warning-light);
}

.alert-danger {
  background-color: rgba(168, 66, 60, 0.15);
  border-color: var(--color-danger);
  color: var(--color-danger-light);
}

/*
================================================================================
ACCESSIBILITY
================================================================================
*/

/* Screen reader only */
.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;
}

.sr-only-focusable:focus,
.sr-only-focusable:active {
  position: static;
  width: auto;
  height: auto;
  overflow: visible;
  clip: auto;
  white-space: normal;
}

/* Focus visible styling */
:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* Skip to content link */
.skip-to-content {
  position: absolute;
  top: var(--space-2);
  left: var(--space-2);
  padding: var(--space-3) var(--space-4);
  background-color: var(--color-primary);
  color: var(--color-text-primary);
  font-weight: var(--font-weight-bold);
  border-radius: var(--radius-md);
  transform: translateY(-200%);
  transition: transform var(--transition-base) var(--transition-timing);
  z-index: var(--z-tooltip);
}

.skip-to-content:focus {
  transform: translateY(0);
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --color-text-primary: #ffffff;
    --color-bg-primary: #000000;
    --border-width: 2px;
  }
}

/*
================================================================================
UTILITY CLASSES
================================================================================
*/

/* Spacing utilities */
.m-0 { margin: var(--space-0); }
.m-1 { margin: var(--space-1); }
.m-2 { margin: var(--space-2); }
.m-3 { margin: var(--space-3); }
.m-4 { margin: var(--space-4); }
.m-6 { margin: var(--space-6); }
.m-8 { margin: var(--space-8); }

.mt-0 { margin-top: var(--space-0); }
.mt-2 { margin-top: var(--space-2); }
.mt-4 { margin-top: var(--space-4); }
.mt-6 { margin-top: var(--space-6); }
.mt-8 { margin-top: var(--space-8); }

.mb-0 { margin-bottom: var(--space-0); }
.mb-2 { margin-bottom: var(--space-2); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-6 { margin-bottom: var(--space-6); }
.mb-8 { margin-bottom: var(--space-8); }

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

.p-0 { padding: var(--space-0); }
.p-2 { padding: var(--space-2); }
.p-4 { padding: var(--space-4); }
.p-6 { padding: var(--space-6); }
.p-8 { padding: var(--space-8); }

/* Color utilities */
.text-primary { color: var(--color-primary-light); }
.text-gold { color: var(--color-accent-gold-light); }
.text-muted { color: var(--color-text-muted); }
.text-white { color: var(--color-text-primary); }

.bg-primary { background-color: var(--color-bg-primary); }
.bg-secondary { background-color: var(--color-bg-secondary); }
.bg-elevated { background-color: var(--color-bg-elevated); }
.bg-parchment { background-color: var(--color-bg-parchment); }

/* Border utilities */
.border { border: var(--border-width) solid var(--border-color); }
.border-t { border-top: var(--border-width) solid var(--border-color); }
.border-b { border-bottom: var(--border-width) solid var(--border-color); }
.border-l { border-left: var(--border-width) solid var(--border-color); }
.border-r { border-right: var(--border-width) solid var(--border-color); }

.rounded { border-radius: var(--radius-base); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }
.rounded-none { border-radius: var(--radius-none); }

/* Shadow utilities */
.shadow { box-shadow: var(--shadow-base); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-lg { box-shadow: var(--shadow-lg); }
.shadow-none { box-shadow: none; }

/* Opacity utilities */
.opacity-0 { opacity: 0; }
.opacity-50 { opacity: 0.5; }
.opacity-75 { opacity: 0.75; }
.opacity-100 { opacity: 1; }

/* Width utilities */
.w-full { width: 100%; }
.w-auto { width: auto; }
.w-1\/2 { width: 50%; }
.w-1\/3 { width: 33.333333%; }
.w-2\/3 { width: 66.666667%; }

/* Max-width utilities */
.max-w-xs { max-width: 320px; }
.max-w-sm { max-width: 480px; }
.max-w-md { max-width: 640px; }
.max-w-lg { max-width: 768px; }
.max-w-xl { max-width: 1024px; }
.max-w-full { max-width: 100%; }

/* Overflow utilities */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }

/* Cursor utilities */
.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.cursor-not-allowed { cursor: not-allowed; }

/* User select utilities */
.select-none { user-select: none; }
.select-text { user-select: text; }

/* Pointer events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/*
================================================================================
RESPONSIVE UTILITIES
================================================================================
*/

@media (max-width: 767px) {
  .mobile-hidden { display: none; }
}

@media (min-width: 768px) {
  .mobile-only { display: none; }
}

/*
================================================================================
ANIMATIONS
================================================================================
*/

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes slideInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.7;
  }
}

@keyframes glow {
  0%, 100% {
    box-shadow: var(--shadow-glow);
  }
  50% {
    box-shadow: 0 0 25px rgba(27, 125, 125, 0.6);
  }
}

.animate-fadeIn {
  animation: fadeIn var(--transition-slow) var(--transition-timing);
}

.animate-slideInUp {
  animation: slideInUp var(--transition-slow) var(--transition-timing);
}

.animate-slideInDown {
  animation: slideInDown var(--transition-slow) var(--transition-timing);
}

.animate-pulse {
  animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-glow {
  animation: glow 2s ease-in-out infinite;
}

/*
================================================================================
END OF BASE STYLES
================================================================================
*/