/* PearBlog v2 PRO - Utility Classes
 * Reusable utility classes for rapid development
 */

/* Spacing Utilities */
.pb-mt-0 { margin-top: 0 !important; }
.pb-mt-xs { margin-top: var(--pb-space-xs); }
.pb-mt-sm { margin-top: var(--pb-space-sm); }
.pb-mt-md { margin-top: var(--pb-space-md); }
.pb-mt-lg { margin-top: var(--pb-space-lg); }
.pb-mt-xl { margin-top: var(--pb-space-xl); }

.pb-mb-0 { margin-bottom: 0 !important; }
.pb-mb-xs { margin-bottom: var(--pb-space-xs); }
.pb-mb-sm { margin-bottom: var(--pb-space-sm); }
.pb-mb-md { margin-bottom: var(--pb-space-md); }
.pb-mb-lg { margin-bottom: var(--pb-space-lg); }
.pb-mb-xl { margin-bottom: var(--pb-space-xl); }

.pb-p-xs { padding: var(--pb-space-xs); }
.pb-p-sm { padding: var(--pb-space-sm); }
.pb-p-md { padding: var(--pb-space-md); }
.pb-p-lg { padding: var(--pb-space-lg); }
.pb-p-xl { padding: var(--pb-space-xl); }

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

.pb-text-sm { font-size: 0.875rem; }
.pb-text-base { font-size: 1rem; }
.pb-text-lg { font-size: 1.125rem; }
.pb-text-xl { font-size: 1.25rem; }

.pb-font-bold { font-weight: 700; }
.pb-font-semibold { font-weight: 600; }
.pb-font-normal { font-weight: 400; }

.pb-text-primary { color: var(--pb-primary); }
.pb-text-secondary { color: var(--pb-secondary); }
.pb-text-accent { color: var(--pb-accent); }
.pb-text-light { color: var(--pb-text-light); }

.pb-uppercase { text-transform: uppercase; }
.pb-lowercase { text-transform: lowercase; }
.pb-capitalize { text-transform: capitalize; }

/* Display Utilities */
.pb-hidden { display: none !important; }
.pb-block { display: block; }
.pb-inline { display: inline; }
.pb-inline-block { display: inline-block; }
.pb-flex { display: flex; }
.pb-grid { display: grid; }

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

@media (min-width: 768px) {
  .pb-hidden-desktop { display: none !important; }
}

/* Flex Utilities */
.pb-flex-row { flex-direction: row; }
.pb-flex-col { flex-direction: column; }
.pb-flex-wrap { flex-wrap: wrap; }
.pb-flex-nowrap { flex-wrap: nowrap; }

.pb-justify-start { justify-content: flex-start; }
.pb-justify-center { justify-content: center; }
.pb-justify-end { justify-content: flex-end; }
.pb-justify-between { justify-content: space-between; }
.pb-justify-around { justify-content: space-around; }

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

.pb-flex-1 { flex: 1; }
.pb-flex-auto { flex: auto; }

.pb-gap-xs { gap: var(--pb-space-xs); }
.pb-gap-sm { gap: var(--pb-space-sm); }
.pb-gap-md { gap: var(--pb-space-md); }
.pb-gap-lg { gap: var(--pb-space-lg); }
.pb-gap-xl { gap: var(--pb-space-xl); }

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

/* Background Utilities */
.pb-bg-primary { background-color: var(--pb-primary); }
.pb-bg-secondary { background-color: var(--pb-secondary); }
.pb-bg-accent { background-color: var(--pb-accent); }
.pb-bg-white { background-color: var(--pb-bg); }
.pb-bg-alt { background-color: var(--pb-bg-alt); }

/* Border Utilities */
.pb-border { border: 1px solid #e5e7eb; }
.pb-border-t { border-top: 1px solid #e5e7eb; }
.pb-border-b { border-bottom: 1px solid #e5e7eb; }
.pb-border-l { border-left: 1px solid #e5e7eb; }
.pb-border-r { border-right: 1px solid #e5e7eb; }

.pb-rounded { border-radius: var(--pb-radius); }
.pb-rounded-sm { border-radius: var(--pb-radius-sm); }
.pb-rounded-md { border-radius: var(--pb-radius-md); }
.pb-rounded-lg { border-radius: var(--pb-radius-lg); }
.pb-rounded-xl { border-radius: var(--pb-radius-xl); }
.pb-rounded-full { border-radius: 9999px; }

/* Shadow Utilities */
.pb-shadow { box-shadow: var(--pb-shadow); }
.pb-shadow-sm { box-shadow: var(--pb-shadow-sm); }
.pb-shadow-md { box-shadow: var(--pb-shadow-md); }
.pb-shadow-lg { box-shadow: var(--pb-shadow-lg); }
.pb-shadow-xl { box-shadow: var(--pb-shadow-xl); }
.pb-shadow-none { box-shadow: none; }

/* Width Utilities */
.pb-w-full { width: 100%; }
.pb-w-auto { width: auto; }
.pb-w-1/2 { width: 50%; }
.pb-w-1/3 { width: 33.333%; }
.pb-w-2/3 { width: 66.666%; }
.pb-w-1/4 { width: 25%; }

.pb-max-w-sm { max-width: 640px; }
.pb-max-w-md { max-width: 768px; }
.pb-max-w-lg { max-width: 1024px; }
.pb-max-w-xl { max-width: 1200px; }

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

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

/* Select Utilities */
.pb-select-none { user-select: none; }
.pb-select-auto { user-select: auto; }

/* Transition Utilities */
.pb-transition { transition: var(--pb-transition); }
.pb-transition-slow { transition: var(--pb-transition-slow); }
.pb-transition-none { transition: none; }

/* Hover Effects */
.pb-hover-lift:hover {
  transform: translateY(-4px);
  box-shadow: var(--pb-shadow-lg);
}

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

.pb-hover-opacity:hover {
  opacity: 0.8;
}

/* Animation Utilities */
.pb-fade-in {
  animation: pb-fade-in 0.3s ease;
}

.pb-slide-up {
  animation: pb-slide-up 0.3s ease;
}

@keyframes pb-fade-in {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

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

/* Accessibility Utilities */
.pb-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;
}

.pb-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Interactive States */
.pb-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.pb-loading {
  position: relative;
  pointer-events: none;
}

.pb-loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 20px;
  height: 20px;
  margin: -10px 0 0 -10px;
  border: 2px solid var(--pb-primary);
  border-top-color: transparent;
  border-radius: 50%;
  animation: pb-spin 0.6s linear infinite;
}

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

/* Z-Index Utilities */
.pb-z-0 { z-index: 0; }
.pb-z-10 { z-index: 10; }
.pb-z-20 { z-index: 20; }
.pb-z-30 { z-index: 30; }
.pb-z-40 { z-index: 40; }
.pb-z-50 { z-index: 50; }
.pb-z-100 { z-index: 100; }