/* Minimal CSS - replaces Tailwind CDN for performance */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; background: #f9fafb; color: #1f2937; line-height: 1.5; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
input, button, select, textarea { font: inherit; }

/* Layout */
.max-w-7xl { max-width: 80rem; margin-left: auto; margin-right: auto; }
.mx-auto { margin-left: auto; margin-right: auto; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-4 { padding-top: 1rem; padding-bottom: 1rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
.py-8 { padding-top: 2rem; padding-bottom: 2rem; }
.py-12 { padding-top: 3rem; padding-bottom: 3rem; }
.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-4 { margin-top: 1rem; }
.mr-4 { margin-right: 1rem; }
.ml-4 { margin-left: 1rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.flex { display: flex; }
.flex-1 { flex: 1; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.flex-wrap { flex-wrap: wrap; }
.grid { display: grid; }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.relative { position: relative; }
.absolute { position: absolute; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.overflow-hidden { overflow: hidden; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hidden { display: none; }

/* Typography */
.text-xs { font-size: 0.75rem; line-height: 1rem; }
.text-sm { font-size: 0.875rem; line-height: 1.25rem; }
.text-base { font-size: 1rem; line-height: 1.5rem; }
.text-lg { font-size: 1.125rem; line-height: 1.75rem; }
.text-xl { font-size: 1.25rem; 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-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.text-center { text-align: center; }
.text-white { color: #fff; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-700 { color: #374151; }
.text-gray-800 { color: #1f2937; }
.text-indigo-600 { color: #4f46e5; }
.text-red-600 { color: #dc2626; }
.text-green-700 { color: #15803d; }

/* Background */
.bg-white { background-color: #fff; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-indigo-600 { background-color: #4f46e5; }
.bg-red-600 { background-color: #dc2626; }
.bg-green-100 { background-color: #dcfce7; }
.bg-black { background-color: #000; }
.bg-opacity-50 { --tw-bg-opacity: 0.5; background-color: rgba(0,0,0,var(--tw-bg-opacity)); }
.bg-opacity-90 { --tw-bg-opacity: 0.9; background-color: rgba(0,0,0,var(--tw-bg-opacity)); }
.bg-opacity-20 { background-color: rgba(255,255,255,0.2); }

/* Border */
.border { border-width: 1px; border-style: solid; }
.border-gray-300 { border-color: #d1d5db; }
.border-indigo-500 { border-color: #6366f1; }
.border-transparent { border-color: transparent; }
.border-white { border-color: #fff; }
.rounded { border-radius: 0.25rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-full { border-radius: 9999px; }

/* Shadow */
.shadow-sm { box-shadow: 0 1px 2px 0 rgba(0,0,0,0.05); }

/* Sizing */
.w-full { width: 100%; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-14 { height: 3.5rem; }
.h-24 { height: 6rem; }
.max-w-full { max-width: 100%; }
.max-w-sm { max-width: 24rem; }
.max-w-lg { max-width: 32rem; }

/* Aspect ratio */
.aspect-square { position: relative; width: 100%; padding-bottom: 100%; overflow: hidden; }
.aspect-square > img { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }

/* Object fit */
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Padding */
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-10 { padding-left: 2.5rem; padding-right: 2.5rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.pt-4 { padding-top: 1rem; }

/* Spacing children */
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }
.divide-y > * + * { border-top-width: 1px; border-top-style: solid; border-color: #f3f4f6; }

/* Form */
input[type="text"], input[type="number"], input[type="password"], input[type="search"], input[type="file"] {
    width: 100%;
    border: 1px solid #d1d5db;
    border-radius: 0.5rem;
    padding: 0.5rem 0.75rem;
    outline: none;
}
input:focus { border-color: #6366f1; box-shadow: 0 0 0 2px rgba(99,102,241,0.2); }
label { display: block; font-size: 0.875rem; font-weight: 500; color: #374151; margin-bottom: 0.25rem; }
select { width: 100%; border: 1px solid #d1d5db; border-radius: 0.5rem; padding: 0.5rem 0.75rem; }

/* Buttons */
button, .btn {
    cursor: pointer;
    border: none;
    outline: none;
    font-weight: 500;
    border-radius: 0.5rem;
    padding: 0.5rem 1.5rem;
    font-size: 0.875rem;
    transition: background-color 0.15s;
}
.btn-primary { background-color: #4f46e5; color: #fff; }
.btn-primary:hover { background-color: #4338ca; }
.btn-secondary { background-color: #e5e7eb; color: #374151; }
.btn-secondary:hover { background-color: #d1d5db; }
.btn-danger { background-color: #dc2626; color: #fff; }
.btn-danger:hover { background-color: #b91c1c; }
.btn-sm { padding: 0.25rem 0.5rem; font-size: 0.75rem; }
.btn-block { width: 100%; display: block; text-align: center; }

/* Error */
.text-red-500 { color: #ef4444; }
.error-msg { color: #ef4444; font-size: 0.875rem; margin-top: 0.25rem; }

/* Sticky */
.sticky { position: sticky; }
.top-0 { top: 0; }
.z-30 { z-index: 30; }
.z-50 { z-index: 50; }

/* Fixed overlay */
.modal-overlay {
    position: fixed; inset: 0; z-index: 50;
    background: rgba(0,0,0,0.9);
    display: flex; flex-direction: column;
    align-items: center; justify-content: center;
    padding: 1rem;
}
.modal-overlay[hidden] { display: none; }

/* Image card hover */
.product-card { cursor: pointer; transition: transform 0.1s; }
.product-card:active { transform: scale(0.97); }

/* Mobile image actions */
.image-actions {
    position: absolute; bottom: 0; left: 0; right: 0;
    background: rgba(0,0,0,0.6);
    display: flex; gap: 0.25rem;
    padding: 0.25rem;
    border-radius: 0 0 0.5rem 0.5rem;
}
.image-actions button { font-size: 0.625rem; padding: 0.2rem 0.4rem; }

/* Scrollbar */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-thumb { background: #9ca3af; border-radius: 3px; }

/* Responsive */
@media (min-width: 640px) {
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 768px) {
    .md\:grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}
@media (min-width: 1024px) {
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
}