/* Minimal utility classes replacing Tailwind used in header */

/* Layout */
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.top-0 { top: 0; }
.left-0 { left: 0; }
.right-0 { right: 0; }
.w-full { width: 100%; }
.w-48 { width: 12rem; }
.z-50 { z-index: 50; }
.hidden { display: none; }
.block { display: block; }
.flex { display: flex; }
.items-center { align-items: center; }
.justify-between { justify-content: space-between; }
.h-16 { height: 4rem; }
.h-10 { height: 2.5rem; }
.flex-shrink-0 { flex-shrink: 0; }
.max-w-7xl { max-width: 80rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

/* Spacing */
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.ml-1 { margin-left: 0.25rem; }
.space-x-8 > * + * { margin-left: 2rem; }

/* Colors & backgrounds */
.bg-white { background-color: #ffffff; }
.text-gray-700 { color: #374151; }
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:bg-gray-100:hover { background-color: #f3f4f6; }

/* Borders & radius */
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }

/* Shadows */
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05); }

/* Typography */
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-xs { font-size: 0.75rem; line-height: 1rem; }

/* Transitions */
.transition-transform { transition-property: transform; }
.duration-200 { transition-duration: 200ms; }

/* Group hover behavior */
.group:hover .group-hover\:block { display: block; }

/* Responsive variants */
@media (min-width: 640px) { /* sm */
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
}
@media (min-width: 768px) { /* md */
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
}

/* Extra Mobile Utilities */
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.text-center { text-align: center; }
.font-semibold { font-weight: 600; }
.font-medium { font-weight: 500; }
.font-bold { font-weight: 700; }
.text-gray-500 { color: #6b7280; }
.text-gray-400 { color: #9ca3af; }
.text-gray-600 { color: #4b5563; }
.text-red-600 { color: #dc2626; }
.border-t { border-top-width: 1px; }
.border-l-2 { border-left-width: 2px; }
.border-gray-100 { border-color: #f3f4f6; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pl-4 { padding-left: 1rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.transition { transition-property: color, background-color, border-color, text-decoration-color, fill, stroke, opacity, box-shadow, transform, filter, backdrop-filter; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }
.shadow-md { box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06); }
.overflow-y-auto { overflow-y: auto; }
.max-h-screen-menu { max-height: calc(100vh - 4rem); }
@media (min-width: 1024px) { /* lg */
  .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}