/**
 * PopRace.org Native CSS Utilities
 * Created: December 2, 2025
 * 
 * Purpose: Replace all Tailwind utility classes with native CSS
 * This file provides utility classes that work without any build process
 * All values use CSS custom properties from variables.css
 */

/* ============================================
   DISPLAY & VISIBILITY
   ============================================ */

.hidden { display: none; }
.block { display: block; }
.inline { display: inline; }
.inline-block { display: inline-block; }
.flex { display: flex; }
.inline-flex { display: inline-flex; }
.grid { display: grid; }

/* Screen reader only */
.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;
}

/* ============================================
   FLEXBOX
   ============================================ */

.flex-row { flex-direction: row; }
.flex-col { flex-direction: column; }
.flex-wrap { flex-wrap: wrap; }
.flex-nowrap { flex-wrap: nowrap; }
.flex-1 { flex: 1 1 0%; }
.flex-auto { flex: 1 1 auto; }
.flex-none { flex: none; }
.shrink-0 { flex-shrink: 0; }
.grow { flex-grow: 1; }
.grow-0 { flex-grow: 0; }

/* Alignment */
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.items-baseline { align-items: baseline; }

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

.self-start { align-self: flex-start; }
.self-center { align-self: center; }
.self-end { align-self: flex-end; }

/* ============================================
   GRID
   ============================================ */

.grid-cols-1 { grid-template-columns: repeat(1, minmax(0, 1fr)); }
.grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
.grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }

.col-span-1 { grid-column: span 1 / span 1; }
.col-span-2 { grid-column: span 2 / span 2; }
.col-span-3 { grid-column: span 3 / span 3; }
.col-span-full { grid-column: 1 / -1; }

/* Gap */
.gap-0 { gap: 0; }
.gap-1 { gap: 0.25rem; }
.gap-2 { gap: 0.5rem; }
.gap-3 { gap: 0.75rem; }
.gap-4 { gap: 1rem; }
.gap-5 { gap: 1.25rem; }
.gap-6 { gap: 1.5rem; }
.gap-8 { gap: 2rem; }
.gap-10 { gap: 2.5rem; }
.gap-12 { gap: 3rem; }

.gap-x-2 { column-gap: 0.5rem; }
.gap-x-4 { column-gap: 1rem; }
.gap-x-6 { column-gap: 1.5rem; }
.gap-y-1 { row-gap: 0.25rem; }
.gap-y-2 { row-gap: 0.5rem; }
.gap-y-4 { row-gap: 1rem; }

/* ============================================
   SPACING - PADDING
   ============================================ */

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 0.75rem; }
.p-4 { padding: 1rem; }
.p-5 { padding: 1.25rem; }
.p-6 { padding: 1.5rem; }
.p-8 { padding: 2rem; }
.p-10 { padding: 2.5rem; }
.p-12 { padding: 3rem; }

.px-0 { padding-left: 0; padding-right: 0; }
.px-1 { padding-left: 0.25rem; padding-right: 0.25rem; }
.px-2 { padding-left: 0.5rem; padding-right: 0.5rem; }
.px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
.px-4 { padding-left: 1rem; padding-right: 1rem; }
.px-5 { padding-left: 1.25rem; padding-right: 1.25rem; }
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.px-8 { padding-left: 2rem; padding-right: 2rem; }

.py-0 { padding-top: 0; padding-bottom: 0; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.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; }
.py-16 { padding-top: 4rem; padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-0 { padding-top: 0; }
.pt-1 { padding-top: 0.25rem; }
.pt-2 { padding-top: 0.5rem; }
.pt-4 { padding-top: 1rem; }
.pt-6 { padding-top: 1.5rem; }
.pt-8 { padding-top: 2rem; }

.pb-0 { padding-bottom: 0; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-4 { padding-bottom: 1rem; }
.pb-6 { padding-bottom: 1.5rem; }

.pl-0 { padding-left: 0; }
.pl-2 { padding-left: 0.5rem; }
.pl-3 { padding-left: 0.75rem; }
.pl-4 { padding-left: 1rem; }

.pr-0 { padding-right: 0; }
.pr-2 { padding-right: 0.5rem; }
.pr-4 { padding-right: 1rem; }
.pr-10 { padding-right: 2.5rem; }

/* ============================================
   SPACING - MARGIN
   ============================================ */

.m-0 { margin: 0; }
.m-1 { margin: 0.25rem; }
.m-2 { margin: 0.5rem; }
.m-4 { margin: 1rem; }
.m-auto { margin: auto; }

.mx-0 { margin-left: 0; margin-right: 0; }
.mx-2 { margin-left: 0.5rem; margin-right: 0.5rem; }
.mx-4 { margin-left: 1rem; margin-right: 1rem; }
.mx-auto { margin-left: auto; margin-right: auto; }

.my-0 { margin-top: 0; margin-bottom: 0; }
.my-2 { margin-top: 0.5rem; margin-bottom: 0.5rem; }
.my-4 { margin-top: 1rem; margin-bottom: 1rem; }

.mt-0 { margin-top: 0; }
.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; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-12 { margin-top: 3rem; }

.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; }

.ml-0 { margin-left: 0; }
.ml-1 { margin-left: 0.25rem; }
.ml-2 { margin-left: 0.5rem; }
.ml-3 { margin-left: 0.75rem; }
.ml-4 { margin-left: 1rem; }
.ml-auto { margin-left: auto; }

.mr-0 { margin-right: 0; }
.mr-1 { margin-right: 0.25rem; }
.mr-2 { margin-right: 0.5rem; }
.mr-3 { margin-right: 0.75rem; }
.mr-4 { margin-right: 1rem; }

.-mt-1 { margin-top: -0.25rem; }
.-mt-2 { margin-top: -0.5rem; }
.-ml-1 { margin-left: -0.25rem; }

/* Space between children */
.space-x-1 > * + * { margin-left: 0.25rem; }
.space-x-2 > * + * { margin-left: 0.5rem; }
.space-x-3 > * + * { margin-left: 0.75rem; }
.space-x-4 > * + * { margin-left: 1rem; }

.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-3 > * + * { margin-top: 0.75rem; }
.space-y-4 > * + * { margin-top: 1rem; }
.space-y-6 > * + * { margin-top: 1.5rem; }

/* ============================================
   SIZING
   ============================================ */

/* Width */
.w-0 { width: 0; }
.w-1 { width: 0.25rem; }
.w-2 { width: 0.5rem; }
.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-5 { width: 1.25rem; }
.w-6 { width: 1.5rem; }
.w-8 { width: 2rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-16 { width: 4rem; }
.w-20 { width: 5rem; }
.w-24 { width: 6rem; }
.w-28 { width: 7rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-48 { width: 12rem; }
.w-64 { width: 16rem; }
.w-full { width: 100%; }
.w-screen { width: 100vw; }
.w-auto { width: auto; }

/* Height */
.h-0 { height: 0; }
.h-1 { height: 0.25rem; }
.h-2 { height: 0.5rem; }
.h-3 { height: 0.75rem; }
.h-4 { height: 1rem; }
.h-5 { height: 1.25rem; }
.h-6 { height: 1.5rem; }
.h-8 { height: 2rem; }
.h-10 { height: 2.5rem; }
.h-12 { height: 3rem; }
.h-16 { height: 4rem; }
.h-20 { height: 5rem; }
.h-24 { height: 6rem; }
.h-32 { height: 8rem; }
.h-40 { height: 10rem; }
.h-48 { height: 12rem; }
.h-64 { height: 16rem; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.h-auto { height: auto; }

/* Min/Max */
.min-w-0 { min-width: 0; }
.min-w-full { min-width: 100%; }
.min-h-0 { min-height: 0; }
.min-h-screen { min-height: 100vh; }

.max-w-xs { max-width: 20rem; }
.max-w-sm { max-width: 24rem; }
.max-w-md { max-width: 28rem; }
.max-w-lg { max-width: 32rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.max-w-3xl { max-width: 48rem; }
.max-w-4xl { max-width: 56rem; }
.max-w-5xl { max-width: 64rem; }
.max-w-6xl { max-width: 72rem; }
.max-w-7xl { max-width: 80rem; }
.max-w-full { max-width: 100%; }
.max-w-screen-xl { max-width: 1280px; }
.max-w-none { max-width: none; }

.max-h-60 { max-height: 15rem; }
.max-h-96 { max-height: 24rem; }
.max-h-full { max-height: 100%; }
.max-h-screen { max-height: 100vh; }

/* Viewport units */
.max-h-\[90vh\] { max-height: 90vh; }
.max-w-\[90vw\] { max-width: 90vw; }

/* ============================================
   TYPOGRAPHY
   ============================================ */

/* Font Size */
.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; }
.text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
.text-5xl { font-size: 3rem; line-height: 1; }
.text-6xl { font-size: 3.75rem; line-height: 1; }

/* Font Weight */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-extrabold { font-weight: 800; }

/* Font Family */
.font-sans { font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif; }
.font-mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace; }

/* Text Alignment */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

/* Text Decoration */
.underline { text-decoration-line: underline; }
.line-through { text-decoration-line: line-through; }
.no-underline { text-decoration-line: none; }

/* Text Transform */
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.normal-case { text-transform: none; }

/* Letter Spacing */
.tracking-tight { letter-spacing: -0.025em; }
.tracking-normal { letter-spacing: 0; }
.tracking-wide { letter-spacing: 0.025em; }

/* Line Height */
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.25; }
.leading-snug { line-height: 1.375; }
.leading-normal { line-height: 1.5; }
.leading-relaxed { line-height: 1.625; }
.leading-loose { line-height: 2; }

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

.line-clamp-1 {
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.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;
}

/* Whitespace */
.whitespace-normal { white-space: normal; }
.whitespace-nowrap { white-space: nowrap; }
.whitespace-pre { white-space: pre; }
.whitespace-pre-wrap { white-space: pre-wrap; }

/* Word Break */
.break-normal { word-break: normal; overflow-wrap: normal; }
.break-words { overflow-wrap: break-word; }
.break-all { word-break: break-all; }

/* ============================================
   COLORS - Brand Theme (Navy & Gold)
   ============================================ */

/* Text Colors - Brand */
.text-navy { color: var(--navy); }
.text-gold { color: var(--gold); }
.text-cream { color: var(--cream); }
.text-bright-gold { color: var(--bright-gold); }

/* Text Colors - Semantic */
.text-primary { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }
.text-muted { color: var(--color-text-tertiary); }
.text-accent { color: var(--color-primary); }

/* Text Colors - State */
.text-success { color: var(--color-success); }
.text-error { color: var(--color-error); }
.text-warning { color: var(--color-warning); }
.text-info { color: var(--color-info); }

/* Text Colors - Neutral (Tailwind compatibility) */
.text-white { color: #ffffff; }
.text-black { color: #000000; }
.text-slate-300 { color: #cbd5e1; }
.text-slate-400 { color: #94a3b8; }
.text-slate-500 { color: #64748b; }
.text-slate-600 { color: #475569; }
.text-slate-700 { color: #334155; }
.text-slate-800 { color: #1e293b; }
.text-slate-900 { color: #0f172a; }
.text-gray-400 { color: #9ca3af; }
.text-gray-500 { color: #6b7280; }
.text-gray-600 { color: #4b5563; }
.text-gray-700 { color: #374151; }

/* Text Colors - Actions (Tailwind compatibility) */
.text-blue-400 { color: #60a5fa; }
.text-blue-500 { color: #3b82f6; }
.text-blue-600 { color: #2563eb; }
.text-green-500 { color: #22c55e; }
.text-green-600 { color: #16a34a; }
.text-red-500 { color: #ef4444; }
.text-red-600 { color: #dc2626; }
.text-yellow-500 { color: #eab308; }
.text-purple-400 { color: #c084fc; }

/* Background Colors - Brand */
.bg-navy { background-color: var(--navy); }
.bg-dark-navy { background-color: var(--dark-navy); }
.bg-navy-light { background-color: var(--navy-light); }
.bg-gold { background-color: var(--gold); }
.bg-cream { background-color: var(--cream); }

/* Background Colors - Semantic */
.bg-surface { background-color: var(--color-surface); }
.bg-surface-secondary { background-color: var(--color-surface-secondary); }
.bg-surface-tertiary { background-color: var(--color-surface-tertiary); }
.bg-primary { background-color: var(--color-primary); }

/* Background Colors - Neutral (Tailwind compatibility) */
.bg-white { background-color: #ffffff; }
.bg-black { background-color: #000000; }
.bg-transparent { background-color: transparent; }
.bg-slate-50 { background-color: #f8fafc; }
.bg-slate-100 { background-color: #f1f5f9; }
.bg-slate-200 { background-color: #e2e8f0; }
.bg-slate-300 { background-color: #cbd5e1; }
.bg-slate-400 { background-color: #94a3b8; }
.bg-slate-500 { background-color: #64748b; }
.bg-slate-600 { background-color: #475569; }
.bg-slate-700 { background-color: #334155; }
.bg-slate-800 { background-color: #1e293b; }
.bg-slate-900 { background-color: #0f172a; }
.bg-gray-50 { background-color: #f9fafb; }
.bg-gray-100 { background-color: #f3f4f6; }
.bg-gray-200 { background-color: #e5e7eb; }
.bg-gray-300 { background-color: #d1d5db; }

/* Background Colors - Actions */
.bg-blue-500 { background-color: #3b82f6; }
.bg-blue-600 { background-color: #2563eb; }
.bg-blue-700 { background-color: #1d4ed8; }
.bg-green-500 { background-color: #22c55e; }
.bg-green-600 { background-color: #16a34a; }
.bg-green-700 { background-color: #15803d; }
.bg-red-500 { background-color: #ef4444; }
.bg-red-600 { background-color: #dc2626; }
.bg-red-700 { background-color: #b91c1c; }
.bg-yellow-500 { background-color: #eab308; }
.bg-yellow-600 { background-color: #ca8a04; }
.bg-amber-500 { background-color: #f59e0b; }

/* Background with opacity */
.bg-opacity-50 { --bg-opacity: 0.5; }
.bg-opacity-75 { --bg-opacity: 0.75; }
.bg-opacity-80 { --bg-opacity: 0.8; }
.bg-opacity-90 { --bg-opacity: 0.9; }

.bg-black\/50 { background-color: rgb(0 0 0 / 0.5); }
.bg-black\/75 { background-color: rgb(0 0 0 / 0.75); }
.bg-black\/80 { background-color: rgb(0 0 0 / 0.8); }
.bg-black\/90 { background-color: rgb(0 0 0 / 0.9); }
.bg-white\/80 { background-color: rgb(255 255 255 / 0.8); }
.bg-white\/90 { background-color: rgb(255 255 255 / 0.9); }

/* ============================================
   BORDERS
   ============================================ */

/* Border Width */
.border-0 { border-width: 0; }
.border { border-width: 1px; }
.border-2 { border-width: 2px; }
.border-4 { border-width: 4px; }
.border-8 { border-width: 8px; }

.border-t { border-top-width: 1px; }
.border-t-2 { border-top-width: 2px; }
.border-b { border-bottom-width: 1px; }
.border-b-2 { border-bottom-width: 2px; }
.border-l { border-left-width: 1px; }
.border-l-4 { border-left-width: 4px; }
.border-r { border-right-width: 1px; }

/* Border Style */
.border-solid { border-style: solid; }
.border-dashed { border-style: dashed; }
.border-dotted { border-style: dotted; }
.border-none { border-style: none; }

/* Border Colors - Brand */
.border-gold { border-color: var(--gold); }
.border-navy { border-color: var(--navy); }
.border-bright-gold { border-color: var(--bright-gold); }
.border-brand { border-color: var(--color-border); }

/* Border Colors - Neutral */
.border-transparent { border-color: transparent; }
.border-white { border-color: #ffffff; }
.border-black { border-color: #000000; }
.border-slate-200 { border-color: #e2e8f0; }
.border-slate-300 { border-color: #cbd5e1; }
.border-slate-600 { border-color: #475569; }
.border-slate-700 { border-color: #334155; }
.border-gray-200 { border-color: #e5e7eb; }
.border-gray-300 { border-color: #d1d5db; }

/* Border Colors - Actions */
.border-blue-400 { border-color: #60a5fa; }
.border-blue-500 { border-color: #3b82f6; }
.border-blue-600 { border-color: #2563eb; }
.border-green-500 { border-color: #22c55e; }
.border-red-500 { border-color: #ef4444; }
.border-amber-500 { border-color: #f59e0b; }

/* Border Radius */
.rounded-none { border-radius: 0; }
.rounded-sm { border-radius: 0.125rem; }
.rounded { border-radius: 0.25rem; }
.rounded-md { border-radius: 0.375rem; }
.rounded-lg { border-radius: 0.5rem; }
.rounded-xl { border-radius: 0.75rem; }
.rounded-2xl { border-radius: 1rem; }
.rounded-3xl { border-radius: 1.5rem; }
.rounded-full { border-radius: var(--radius-full); }

.rounded-t-lg { border-top-left-radius: 0.5rem; border-top-right-radius: 0.5rem; }
.rounded-b-lg { border-bottom-left-radius: 0.5rem; border-bottom-right-radius: 0.5rem; }

/* Divide */
.divide-y > * + * { border-top-width: 1px; border-color: var(--color-border-light); }
.divide-x > * + * { border-left-width: 1px; border-color: var(--color-border-light); }

/* ============================================
   SHADOWS
   ============================================ */

.shadow-none { box-shadow: none; }
.shadow-sm { box-shadow: 0 1px 2px 0 rgb(0 0 0 / 0.05); }
.shadow { box-shadow: 0 1px 3px 0 rgb(0 0 0 / 0.1), 0 1px 2px -1px rgb(0 0 0 / 0.1); }
.shadow-md { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.shadow-lg { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }
.shadow-xl { box-shadow: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1); }
.shadow-2xl { box-shadow: 0 25px 50px -12px rgb(0 0 0 / 0.25); }
.shadow-inner { box-shadow: inset 0 2px 4px 0 rgb(0 0 0 / 0.05); }

/* Ring (Focus outlines) */
.ring-0 { box-shadow: 0 0 0 0px transparent; }
.ring-1 { box-shadow: 0 0 0 1px var(--color-border); }
.ring-2 { box-shadow: 0 0 0 2px var(--color-primary); }
.ring-4 { box-shadow: 0 0 0 4px var(--color-primary); }
.ring-blue-500 { --ring-color: #3b82f6; }
.ring-green-500 { --ring-color: #22c55e; }
.ring-amber-500 { --ring-color: #f59e0b; }

/* ============================================
   EFFECTS
   ============================================ */

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-25 { opacity: 0.25; }
.opacity-40 { opacity: 0.4; }
.opacity-50 { opacity: 0.5; }
.opacity-60 { opacity: 0.6; }
.opacity-75 { opacity: 0.75; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.opacity-100 { opacity: 1; }

/* Backdrop */
.backdrop-blur-sm { backdrop-filter: blur(4px); }
.backdrop-blur { backdrop-filter: blur(8px); }
.backdrop-blur-md { backdrop-filter: blur(12px); }
.backdrop-blur-lg { backdrop-filter: blur(16px); }

/* ============================================
   LAYOUT & POSITIONING
   ============================================ */

/* Position */
.static { position: static; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

/* Inset */
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.inset-x-0 { left: 0; right: 0; }
.inset-y-0 { top: 0; bottom: 0; }

.top-0 { top: 0; }
.top-1 { top: 0.25rem; }
.top-2 { top: 0.5rem; }
.top-4 { top: 1rem; }
.top-full { top: 100%; }

.right-0 { right: 0; }
.right-2 { right: 0.5rem; }
.right-4 { right: 1rem; }

.bottom-0 { bottom: 0; }
.bottom-2 { bottom: 0.5rem; }
.bottom-4 { bottom: 1rem; }

.left-0 { left: 0; }
.left-2 { left: 0.5rem; }
.left-4 { left: 1rem; }

/* Z-Index */
.z-0 { z-index: 0; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }
.z-30 { z-index: 30; }
.z-40 { z-index: 40; }
.z-50 { z-index: 50; }
.z-\[60\] { z-index: 60; }
.-z-10 { z-index: -10; }

/* Overflow */
.overflow-auto { overflow: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-visible { overflow: visible; }
.overflow-scroll { overflow: scroll; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.overflow-x-hidden { overflow-x: hidden; }
.overflow-y-hidden { overflow-y: hidden; }

/* Object Fit */
.object-contain { object-fit: contain; }
.object-cover { object-fit: cover; }
.object-fill { object-fit: fill; }
.object-none { object-fit: none; }
.object-center { object-position: center; }

/* Aspect Ratio */
.aspect-square { aspect-ratio: 1 / 1; }
.aspect-video { aspect-ratio: 16 / 9; }
.aspect-\[4\/3\] { aspect-ratio: 4 / 3; }
.aspect-\[3\/4\] { aspect-ratio: 3 / 4; }

/* ============================================
   INTERACTIVITY
   ============================================ */

/* Cursor */
.cursor-auto { cursor: auto; }
.cursor-default { cursor: default; }
.cursor-pointer { cursor: pointer; }
.cursor-wait { cursor: wait; }
.cursor-text { cursor: text; }
.cursor-move { cursor: move; }
.cursor-not-allowed { cursor: not-allowed; }
.cursor-grab { cursor: grab; }
.cursor-grabbing { cursor: grabbing; }

/* Pointer Events */
.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }

/* User Select */
.select-none { user-select: none; }
.select-text { user-select: text; }
.select-all { user-select: all; }

/* ============================================
   TRANSITIONS & ANIMATIONS
   ============================================ */

.transition-none { transition-property: none; }
.transition-all { 
    transition-property: all;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}
.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;
}
.transition-colors {
    transition-property: color, background-color, border-color, text-decoration-color, fill, stroke;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}
.transition-opacity {
    transition-property: opacity;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}
.transition-shadow {
    transition-property: box-shadow;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}
.transition-transform {
    transition-property: transform;
    transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
    transition-duration: 150ms;
}

/* Duration */
.duration-75 { transition-duration: 75ms; }
.duration-100 { transition-duration: 100ms; }
.duration-150 { transition-duration: 150ms; }
.duration-200 { transition-duration: 200ms; }
.duration-300 { transition-duration: 300ms; }
.duration-500 { transition-duration: 500ms; }
.duration-700 { transition-duration: 700ms; }
.duration-1000 { transition-duration: 1000ms; }

/* Easing */
.ease-linear { transition-timing-function: linear; }
.ease-in { transition-timing-function: cubic-bezier(0.4, 0, 1, 1); }
.ease-out { transition-timing-function: cubic-bezier(0, 0, 0.2, 1); }
.ease-in-out { transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); }

/* Transform */
.transform { transform: translate(0, 0) rotate(0) scale(1); }
.transform-none { transform: none; }

.scale-75 { transform: scale(0.75); }
.scale-90 { transform: scale(0.9); }
.scale-95 { transform: scale(0.95); }
.scale-100 { transform: scale(1); }
.scale-105 { transform: scale(1.05); }
.scale-110 { transform: scale(1.1); }
.scale-125 { transform: scale(1.25); }

.translate-x-0 { transform: translateX(0); }
.translate-y-0 { transform: translateY(0); }
.-translate-x-full { transform: translateX(-100%); }
.-translate-y-full { transform: translateY(-100%); }
.translate-x-full { transform: translateX(100%); }
.translate-y-full { transform: translateY(100%); }

.rotate-0 { transform: rotate(0deg); }
.rotate-45 { transform: rotate(45deg); }
.rotate-90 { transform: rotate(90deg); }
.rotate-180 { transform: rotate(180deg); }

/* Animations - keyframes consolidated at end of file */
.animate-none { animation: none; }
.animate-spin { animation: spin 1s linear infinite; }
.animate-ping { animation: ping 1s cubic-bezier(0, 0, 0.2, 1) infinite; }
.animate-pulse { animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite; }
.animate-bounce { animation: bounce 1s infinite; }
}

/* ============================================
   HOVER STATES
   ============================================ */

.hover\:bg-slate-100:hover { background-color: #f1f5f9; }
.hover\:bg-slate-200:hover { background-color: #e2e8f0; }
.hover\:bg-slate-300:hover { background-color: #cbd5e1; }
.hover\:bg-slate-500:hover { background-color: #64748b; }
.hover\:bg-slate-600:hover { background-color: #475569; }
.hover\:bg-slate-700:hover { background-color: #334155; }
.hover\:bg-blue-600:hover { background-color: #2563eb; }
.hover\:bg-blue-700:hover { background-color: #1d4ed8; }
.hover\:bg-green-600:hover { background-color: #16a34a; }
.hover\:bg-green-700:hover { background-color: #15803d; }
.hover\:bg-red-600:hover { background-color: #dc2626; }
.hover\:bg-red-700:hover { background-color: #b91c1c; }

.hover\:text-slate-500:hover { color: #64748b; }
.hover\:text-slate-600:hover { color: #475569; }
.hover\:text-blue-400:hover { color: #60a5fa; }
.hover\:text-blue-600:hover { color: #2563eb; }
.hover\:text-gold:hover { color: var(--gold); }
.hover\:text-bright-gold:hover { color: var(--bright-gold); }

.hover\:border-gold:hover { border-color: var(--gold); }
.hover\:border-bright-gold:hover { border-color: var(--bright-gold); }
.hover\:border-blue-500:hover { border-color: #3b82f6; }

.hover\:shadow-md:hover { box-shadow: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1); }
.hover\:shadow-lg:hover { box-shadow: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1); }

.hover\:scale-105:hover { transform: scale(1.05); }
.hover\:scale-110:hover { transform: scale(1.1); }

.hover\:opacity-100:hover { opacity: 1; }
.hover\:opacity-75:hover { opacity: 0.75; }

.hover\:rotate-90:hover { transform: rotate(90deg); }

/* ============================================
   FOCUS STATES
   ============================================ */

.focus\:outline-none:focus { outline: 2px solid transparent; outline-offset: 2px; }
.focus\:ring-2:focus { box-shadow: 0 0 0 2px var(--color-primary); }
.focus\:ring-blue-500:focus { box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.5); }
.focus\:ring-inset:focus { box-shadow: inset 0 0 0 2px var(--color-primary); }
.focus\:border-blue-500:focus { border-color: #3b82f6; }
.focus\:border-gold:focus { border-color: var(--gold); }

.focus-visible\:outline-none:focus-visible { outline: none; }
.focus-visible\:ring-2:focus-visible { box-shadow: 0 0 0 2px var(--color-primary); }

/* ============================================
   DISABLED STATES
   ============================================ */

.disabled\:opacity-50:disabled { opacity: 0.5; }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }
.disabled\:pointer-events-none:disabled { pointer-events: none; }

/* ============================================
   RESPONSIVE BREAKPOINTS
   ============================================ */

/* Small (sm: 640px) */
@media (min-width: 640px) {
    .sm\:block { display: block; }
    .sm\:hidden { display: none; }
    .sm\:flex { display: flex; }
    .sm\:inline-flex { display: inline-flex; }
    .sm\:grid { display: grid; }
    
    .sm\:flex-row { flex-direction: row; }
    .sm\:flex-col { flex-direction: column; }
    .sm\:items-center { align-items: center; }
    .sm\:justify-between { justify-content: space-between; }
    
    .sm\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .sm\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .sm\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    
    .sm\:gap-4 { gap: 1rem; }
    .sm\:gap-6 { gap: 1.5rem; }
    
    .sm\:p-6 { padding: 1.5rem; }
    .sm\:p-8 { padding: 2rem; }
    .sm\:px-0 { padding-left: 0; padding-right: 0; }
    .sm\:px-3 { padding-left: 0.75rem; padding-right: 0.75rem; }
    .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
    .sm\:py-24 { padding-top: 6rem; padding-bottom: 6rem; }
    
    .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
    .sm\:text-5xl { font-size: 3rem; line-height: 1; }
}

/* Medium (md: 768px) */
@media (min-width: 768px) {
    .md\:block { display: block; }
    .md\:hidden { display: none; }
    .md\:flex { display: flex; }
    .md\:inline-flex { display: inline-flex; }
    .md\:grid { display: grid; }
    
    .md\:flex-row { flex-direction: row; }
    .md\:items-center { align-items: center; }
    
    .md\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .md\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .md\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    
    .md\:col-span-2 { grid-column: span 2 / span 2; }
    
    .md\:gap-6 { gap: 1.5rem; }
    .md\:gap-8 { gap: 2rem; }
    
    .md\:p-6 { padding: 1.5rem; }
    .md\:p-8 { padding: 2rem; }
    
    .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
}

/* Large (lg: 1024px) */
@media (min-width: 1024px) {
    .lg\:block { display: block; }
    .lg\:hidden { display: none; }
    .lg\:flex { display: flex; }
    .lg\:inline-flex { display: inline-flex; }
    .lg\:grid { display: grid; }
    
    .lg\:flex-row { flex-direction: row; }
    
    .lg\:grid-cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
    .lg\:grid-cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
    .lg\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .lg\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    
    .lg\:col-span-1 { grid-column: span 1 / span 1; }
    .lg\:col-span-2 { grid-column: span 2 / span 2; }
    
    .lg\:gap-8 { gap: 2rem; }
    
    .lg\:p-8 { padding: 2rem; }
    .lg\:px-8 { padding-left: 2rem; padding-right: 2rem; }
}

/* XL (xl: 1280px) */
@media (min-width: 1280px) {
    .xl\:block { display: block; }
    .xl\:hidden { display: none; }
    .xl\:flex { display: flex; }
    .xl\:grid { display: grid; }
    
    .xl\:grid-cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
    .xl\:grid-cols-5 { grid-template-columns: repeat(5, minmax(0, 1fr)); }
    .xl\:grid-cols-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); }
}

/* ============================================
   LISTS
   ============================================ */

.list-none { list-style-type: none; }
.list-disc { list-style-type: disc; }
.list-decimal { list-style-type: decimal; }
.list-inside { list-style-position: inside; }
.list-outside { list-style-position: outside; }

/* ============================================
   TABLES
   ============================================ */

.table { display: table; }
.table-auto { table-layout: auto; }
.table-fixed { table-layout: fixed; }
.border-collapse { border-collapse: collapse; }
.border-separate { border-collapse: separate; }

/* ============================================
   FILTERS (used for image effects)
   ============================================ */

/* .filter class - apply individual filter utilities instead */
.filter-none { filter: none; }
.blur-sm { filter: blur(4px); }
.blur { filter: blur(8px); }
.blur-md { filter: blur(12px); }
.blur-lg { filter: blur(16px); }
.grayscale { filter: grayscale(100%); }
.grayscale-0 { filter: grayscale(0); }
.brightness-50 { filter: brightness(0.5); }
.brightness-75 { filter: brightness(0.75); }
.brightness-100 { filter: brightness(1); }
.brightness-125 { filter: brightness(1.25); }

/* ============================================
   MISC UTILITIES
   ============================================ */

/* Appearance */
.appearance-none { appearance: none; }

/* Resize */
.resize-none { resize: none; }
.resize { resize: both; }
.resize-x { resize: horizontal; }
.resize-y { resize: vertical; }

/* Box decoration break */
.box-border { box-sizing: border-box; }
.box-content { box-sizing: content-box; }

/* Isolation */
.isolate { isolation: isolate; }

/* Mix Blend Mode */
.mix-blend-normal { mix-blend-mode: normal; }
.mix-blend-multiply { mix-blend-mode: multiply; }
.mix-blend-overlay { mix-blend-mode: overlay; }

/* Will Change (Performance) */
.will-change-auto { will-change: auto; }
.will-change-transform { will-change: transform; }
.will-change-opacity { will-change: opacity; }
.will-change-scroll { will-change: scroll-position; }

/* ============================================
   ANIMATIONS & KEYFRAMES
   ============================================ */

/* Shimmer effect - background position movement (for image placeholders) */
@keyframes shimmer {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Shimmer overlay effect - translateX movement (for progress bars) */
@keyframes shimmer-overlay {
    0% { transform: translateX(-100%); }
    100% { transform: translateX(100%); }
}

/* Fade animations */
@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes fadeOut {
    from { opacity: 1; }
    to { opacity: 0; }
}

/* Slide animations */
@keyframes slideInUp {
    from { transform: translateY(10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

@keyframes slideInDown {
    from { transform: translateY(-10px); opacity: 0; }
    to { transform: translateY(0); opacity: 1; }
}

/* Pulse animation */
@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

/* Spin animation */
@keyframes spin {
    from { transform: rotate(0deg); }
    to { transform: rotate(360deg); }
}

@keyframes ping {
    75%, 100% { transform: scale(2); opacity: 0; }
}

@keyframes bounce {
    0%, 100% { transform: translateY(-25%); animation-timing-function: cubic-bezier(0.8, 0, 1, 1); }
    50% { transform: translateY(0); animation-timing-function: cubic-bezier(0, 0, 0.2, 1); }
}

@keyframes fadeInSlide {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Animation utility classes */
.animate-shimmer {
    animation: shimmer 1.5s infinite;
}

.animate-shimmer-overlay {
    animation: shimmer-overlay 2s infinite;
}

.animate-fade-in {
    animation: fadeIn 0.3s ease-out;
}

.animate-slide-up {
    animation: slideInUp 0.3s ease-out;
}

.animate-pulse {
    animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
}

.animate-spin {
    animation: spin 1s linear infinite;
}