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

/* Spacing */
.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.p-1 { padding: 0.5rem; }
.p-2 { padding: 1rem; }
.p-3 { padding: 1.5rem; }
.p-4 { padding: 2rem; }

/* Display */
.d-none { display: none; }
.d-block { display: block; }
.d-flex { display: flex; }
.d-grid { display: grid; }
.d-inline { display: inline; }
.d-inline-block { display: inline-block; }

/* Flex utilities */
.flex-row { flex-direction: row; }
.flex-column { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }

.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; }

.align-start { align-items: flex-start; }
.align-center { align-items: center; }
.align-end { align-items: flex-end; }
.align-stretch { align-items: stretch; }

.gap-1 { gap: 0.5rem; }
.gap-2 { gap: 1rem; }
.gap-3 { gap: 1.5rem; }
.gap-4 { gap: 2rem; }

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

.text-small { font-size: 0.875rem; }
.text-base { font-size: 1rem; }
.text-large { font-size: 1.25rem; }
.text-xl { font-size: 1.5rem; }
.text-2xl { font-size: 2rem; }

.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; }

.text-primary { color: var(--primary-text); }
.text-white { color: #fff; }
.text-muted { color: rgba(255, 255, 255, 0.6); }

/* Backgrounds */
.bg-transparent { background: transparent; }
.bg-dark { background: rgba(0, 0, 0, 0.5); }
.bg-glass { 
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.bg-glass-dark { 
  background: rgba(0, 0, 0, 0.3);
  backdrop-filter: blur(15px);
  -webkit-backdrop-filter: blur(15px);
}

/* Borders */
.border { border: 1px solid rgba(255, 255, 255, 0.1); }
.border-primary { border-color: var(--primary-color); }
.border-transparent { border-color: transparent; }

.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.5rem; }
.rounded-lg { border-radius: 0.75rem; }
.rounded-xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadows */
.shadow { box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3); }
.shadow-md { box-shadow: 0 8px 24px rgba(0, 0, 0, 0.4); }
.shadow-lg { box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5); }
.shadow-none { box-shadow: none; }

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

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

/* Z-index */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }

/* Width/Height */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-auto { height: auto; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-full { max-width: 100%; }

/* Overflow */
.overflow-hidden { overflow: hidden; }
.overflow-auto { overflow: auto; }
.overflow-scroll { overflow: scroll; }

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

/* Transitions */
.transition { transition: all 0.3s ease; }
.transition-fast { transition: all 0.15s ease; }
.transition-slow { transition: all 0.5s ease; }
.transition-colors { transition: color 0.3s ease, background-color 0.3s ease, border-color 0.3s ease; }
.transition-transform { transition: transform 0.3s ease; }
.transition-opacity { transition: opacity 0.3s ease; }

/* Animations - disabled */

/* Hover enhancements */
.hover\:bg-glass:hover {
  background: rgba(255, 255, 255, 0.1);
}

.hover\:border-primary:hover {
  border-color: var(--primary-color);
}

.hover\:text-primary:hover {
  color: var(--primary-text);
}

.hover\:scale-105:hover {
  transform: scale(1.05);
}

.hover\:shadow-lg:hover {
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5);
}

/* Responsive utilities */
@media (max-width: 768px) {
  .md\:hidden { display: none; }
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  
  .md\:flex-column { flex-direction: column; }
  .md\:text-center { text-align: center; }
  
  .md\:p-2 { padding: 1rem; }
  .md\:gap-2 { gap: 1rem; }
}

@media (min-width: 769px) {
  .md\:flex { display: flex; }
  .md\:grid { display: grid; }
}

/* Light theme utilities */
html[data-theme="light"] .text-white {
  color: #1b1b1b;
}

html[data-theme="light"] .text-muted {
  color: rgba(0, 0, 0, 0.6);
}

html[data-theme="light"] .bg-glass {
  background: rgba(255, 255, 255, 0.7);
}

html[data-theme="light"] .bg-glass-dark {
  background: rgba(255, 255, 255, 0.5);
}

html[data-theme="light"] .border {
  border-color: rgba(0, 0, 0, 0.1);
}

/* Accessibility */
.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;
}

.focus\:outline-primary:focus-visible {
  outline: 3px solid var(--primary-text);
  outline-offset: 3px;
}

/* Print utilities */
@media print {
  .print\:hidden {
    display: none;
  }
}