/* Layout utilities — fallback when Tailwind CDN/JS unavailable. */
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }
.hidden { display: none !important; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }

.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1 1 0%; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-start { align-items: flex-start; }
.justify-between { justify-content: space-between; }
.justify-center { justify-content: center; }
.justify-end { justify-content: flex-end; }

.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-6 { gap: 1.5rem; }

.space-y-2 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.5rem; }
.space-y-3 > :not([hidden]) ~ :not([hidden]) { margin-top: 0.75rem; }
.space-y-4 > :not([hidden]) ~ :not([hidden]) { margin-top: 1rem; }

.shrink-0 { flex-shrink: 0; }
.text-accent { color: var(--accent) !important; }
.w-auto { width: auto; }
.min-w-0 { min-width: 0; }
.min-w-\[10rem\] { min-width: 10rem; }
.min-w-\[120px\] { min-width: 120px; }
.max-w-6xl { max-width: 72rem; }
.max-w-none { max-width: none; }
.mx-auto { margin-left: auto; margin-right: auto; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 0.75rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.mb-8 { margin-bottom: 2rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.p-0 { padding: 0; }
.p-4 { padding: 1rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xl { font-size: 1.25rem; line-height: 1.75rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.font-semibold { font-weight: 600; }
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.whitespace-nowrap { white-space: nowrap; }

.text-white { color: #fff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-300 { color: #d1d5db; }
.text-inherit { color: inherit; }

.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }

.overflow-hidden { overflow: hidden; }
.relative { position: relative; }
.fixed { position: fixed; }
.inset-0 { inset: 0; }
.z-50 { z-index: 50; }

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }

@media (min-width: 640px) {
  .sm\:grid-cols-2 { grid-template-columns: repeat(2, 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)); }
}