/**
 * Utility Classes for Responsive Design
 */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 var(--space-md);
}

/* Spacing utilities */
.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

.mt-lg { margin-top: var(--space-lg); }
.mb-lg { margin-bottom: var(--space-lg); }
.my-lg { margin-top: var(--space-lg); margin-bottom: var(--space-lg); }

.mt-2xl { margin-top: var(--space-2xl); }
.mb-2xl { margin-bottom: var(--space-2xl); }

.pt-lg { padding-top: var(--space-lg); }
.pb-lg { padding-bottom: var(--space-lg); }
.px-lg { padding-left: var(--space-lg); padding-right: var(--space-lg); }

/* Display utilities */
.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.flex-col-center {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.inline-flex {
  display: inline-flex;
  align-items: center;
  gap: var(--space-md);
}

/* Responsive display */
@media (max-width: 768px) {
  .hide-mobile {
    display: none;
  }
}

@media (min-width: 769px) {
  .show-mobile {
    display: none;
  }
}

/* Text utilities */
.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.line-clamp-3 {
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

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

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

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

/* Hover states */
.hover-bg:hover {
  background-color: var(--color-bg);
}

.hover-shadow:hover {
  box-shadow: var(--shadow-lg);
}

.hover-lift:hover {
  transform: translateY(-4px);
}

/* Border utilities */
.border { border: 1px solid var(--color-border); }
.border-t { border-top: 1px solid var(--color-border); }
.border-b { border-bottom: 1px solid var(--color-border); }
.border-l { border-left: 1px solid var(--color-border); }
.border-r { border-right: 1px solid var(--color-border); }

.rounded { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-full { border-radius: var(--radius-full); }

/* Prose / Rich Text */
.prose {
  line-height: 1.8;
}

.prose h1,
.prose h2,
.prose h3,
.prose h4,
.prose h5,
.prose h6 {
  margin: 2rem 0 1rem 0;
  font-weight: var(--font-weight-semibold);
}

.prose p {
  margin-bottom: 1.5rem;
}

.prose ul,
.prose ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

.prose li {
  margin-bottom: 0.5rem;
}

.prose blockquote {
  border-left: 4px solid var(--color-primary);
  padding-left: 1.5rem;
  margin: 2rem 0;
  font-style: italic;
  color: var(--color-text-secondary);
}

.prose code {
  background-color: var(--color-bg);
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.9rem;
}

.prose pre {
  background-color: var(--color-text-primary);
  color: var(--color-white);
  padding: 1.5rem;
  border-radius: var(--radius-lg);
  overflow-x: auto;
  margin-bottom: 1.5rem;
}

.prose pre code {
  background: none;
  padding: 0;
  color: inherit;
}

/* Responsive margin/padding */
@media (max-width: 768px) {
  .container {
    padding: 0 var(--space-md);
  }

  .pt-lg-mobile {
    padding-top: var(--space-lg);
  }

  .pb-lg-mobile {
    padding-bottom: var(--space-lg);
  }
}