/* ==========================================================================
   Reward Flight Alerts — Static Export Stylesheet
   Self-contained Tailwind v4 utility replacement for offline HTML pages.
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. Google Fonts
   -------------------------------------------------------------------------- */
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&family=JetBrains+Mono:wght@400;500&display=swap");

/* --------------------------------------------------------------------------
   2. Design Tokens & CSS Variables
   -------------------------------------------------------------------------- */
:root {
  /* Brand */
  --brand: #10b981;
  --brand-foreground: #022c22;

  /* Typography */
  --font-sans: "Inter", system-ui, sans-serif;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;

  /* Radius */
  --radius: 0.625rem;
  --radius-sm: calc(var(--radius) - 4px);
  --radius-md: calc(var(--radius) - 2px);
  --radius-lg: var(--radius);
  --radius-xl: calc(var(--radius) + 4px);
  --radius-2xl: calc(var(--radius) + 8px);
  --radius-3xl: calc(var(--radius) + 12px);
  --radius-4xl: calc(var(--radius) + 16px);

  /* Semantic colors — dark theme (default for static export) */
  --background: oklch(0.129 0.042 264.695);
  --foreground: oklch(0.984 0.003 247.858);
  --card: oklch(0.208 0.042 265.755);
  --card-foreground: oklch(0.984 0.003 247.858);
  --popover: oklch(0.208 0.042 265.755);
  --popover-foreground: oklch(0.984 0.003 247.858);
  --primary: oklch(0.929 0.013 255.508);
  --primary-foreground: oklch(0.208 0.042 265.755);
  --secondary: oklch(0.279 0.041 260.031);
  --secondary-foreground: oklch(0.984 0.003 247.858);
  --muted: oklch(0.279 0.041 260.031);
  --muted-foreground: oklch(0.704 0.04 256.788);
  --accent: oklch(0.279 0.041 260.031);
  --accent-foreground: oklch(0.984 0.003 247.858);
  --destructive: oklch(0.704 0.191 22.216);
  --destructive-foreground: oklch(0.984 0.003 247.858);
  --border: oklch(1 0 0 / 10%);
  --input: oklch(1 0 0 / 15%);
  --ring: oklch(0.551 0.027 264.364);
  --chart-1: oklch(0.488 0.243 264.376);
  --chart-2: oklch(0.696 0.17 162.48);
  --chart-3: oklch(0.769 0.188 70.08);
  --chart-4: oklch(0.627 0.265 303.9);
  --chart-5: oklch(0.645 0.246 16.439);
  --sidebar: oklch(0.208 0.042 265.755);
  --sidebar-foreground: oklch(0.984 0.003 247.858);
  --sidebar-primary: oklch(0.488 0.243 264.376);
  --sidebar-primary-foreground: oklch(0.984 0.003 247.858);
  --sidebar-accent: oklch(0.279 0.041 260.031);
  --sidebar-accent-foreground: oklch(0.984 0.003 247.858);
  --sidebar-border: oklch(1 0 0 / 10%);
  --sidebar-ring: oklch(0.551 0.027 264.364);

  /* Zinc palette */
  --zinc-50: #fafafa;
  --zinc-100: #f4f4f5;
  --zinc-200: #e4e4e7;
  --zinc-300: #d4d4d8;
  --zinc-400: #a1a1aa;
  --zinc-500: #71717a;
  --zinc-600: #52525b;
  --zinc-700: #3f3f46;
  --zinc-800: #27272a;
  --zinc-900: #18181b;
  --zinc-950: #09090b;

  /* Accent palette */
  --emerald-700: #047857;
  --amber-400: #fbbf24;
  --amber-500: #f59e0b;
  --red-300: #fca5a5;
  --red-950: #450a0a;

  /* Breakpoints */
  --breakpoint-sm: 640px;
  --breakpoint-md: 768px;
  --breakpoint-lg: 1024px;
}

/* --------------------------------------------------------------------------
   3. Animations & Keyframes
   -------------------------------------------------------------------------- */
@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

@keyframes marquee {
  from { transform: translateX(0); }
  to { transform: translateX(-50%); }
}

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

/* --------------------------------------------------------------------------
   4. Base Reset & Body
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  border-color: var(--border);
}

html {
  -webkit-text-size-adjust: 100%;
  tab-size: 4;
  line-height: 1.5;
}

body {
  margin: 0;
  background-color: #09090b;
  color: #fafafa;
  font-family: var(--font-sans);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, svg, video, canvas {
  display: block;
  max-width: 100%;
}

button, input, select, textarea {
  font: inherit;
  color: inherit;
}

/* Tailwind preflight — prevents browser default white/light button backgrounds */
button,
input:where([type="button"]),
input:where([type="reset"]),
input:where([type="submit"]) {
  appearance: button;
  background-color: transparent;
  background-image: none;
  border: 0;
  cursor: pointer;
}

select,
textarea {
  appearance: none;
  background-color: transparent;
  background-image: none;
}

input:where([type="text"]),
input:where([type="email"]),
input:where([type="password"]),
input:where([type="search"]),
input:where([type="number"]),
input:where([type="date"]) {
  appearance: none;
  background-color: transparent;
  background-image: none;
}

option {
  background-color: var(--zinc-950);
  color: var(--zinc-100);
}

a {
  color: inherit;
  text-decoration: none;
}

table {
  border-collapse: collapse;
}

/* --------------------------------------------------------------------------
   5. Custom Brand Utilities
   -------------------------------------------------------------------------- */
.text-brand { color: var(--brand); }
.bg-brand { background-color: var(--brand); }
.border-brand { border-color: var(--brand); }
.ring-brand { --tw-ring-color: var(--brand); }
.accent-brand { accent-color: var(--brand); }

.from-brand { --tw-gradient-from: var(--brand); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }

/* Brand opacity variants (color-mix) */
.bg-brand\/5 { background-color: color-mix(in srgb, var(--brand) 5%, transparent); }
.bg-brand\/10 { background-color: color-mix(in srgb, var(--brand) 10%, transparent); }
.bg-brand\/20 { background-color: color-mix(in srgb, var(--brand) 20%, transparent); }
.bg-brand\/90 { background-color: color-mix(in srgb, var(--brand) 90%, transparent); }
.border-brand\/20 { border-color: color-mix(in srgb, var(--brand) 20%, transparent); }
.border-brand\/30 { border-color: color-mix(in srgb, var(--brand) 30%, transparent); }
.border-brand\/40 { border-color: color-mix(in srgb, var(--brand) 40%, transparent); }
.ring-brand\/30 { --tw-ring-color: color-mix(in srgb, var(--brand) 30%, transparent); }
.ring-brand\/40 { --tw-ring-color: color-mix(in srgb, var(--brand) 40%, transparent); }
.text-brand\/80 { color: color-mix(in srgb, var(--brand) 80%, transparent); }
.text-zinc-950\/60 { color: color-mix(in srgb, var(--zinc-950) 60%, transparent); }

.selection\:bg-brand\/30 ::selection,
.selection\:bg-brand\/30::selection {
  background-color: color-mix(in srgb, var(--brand) 30%, transparent);
}

/* --------------------------------------------------------------------------
   6. Layout — Display
   -------------------------------------------------------------------------- */
.block { display: block; }
.inline-block { display: inline-block; }
.inline-flex { display: inline-flex; }
.flex { display: flex; }
.grid { display: grid; }
.hidden { display: none; }
.table { display: table; }
.fixed { position: fixed; }
.absolute { position: absolute; }
.relative { position: relative; }
.sticky { position: sticky; }

/* --------------------------------------------------------------------------
   7. Layout — Position & Inset
   -------------------------------------------------------------------------- */
.inset-0 { inset: 0; }
.top-0\.5 { top: 0.125rem; }
.top-1\/2 { top: 50%; }
.top-6 { top: 1.5rem; }
.top-8 { top: 2rem; }
.-top-2 { top: -0.5rem; }
.right-0 { right: 0; }
.right-3 { right: 0.75rem; }
.left-6 { left: 1.5rem; }
.z-10 { z-index: 10; }
.z-20 { z-index: 20; }

/* --------------------------------------------------------------------------
   8. Layout — Flexbox & Grid
   -------------------------------------------------------------------------- */
.flex-1 { flex: 1 1 0%; }
.flex-grow { flex-grow: 1; }
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-baseline { align-items: baseline; }
.justify-start { justify-content: flex-start; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.justify-end { justify-content: flex-end; }
.self-start { align-self: flex-start; }
.self-auto { align-self: auto; }
.shrink-0 { flex-shrink: 0; }

.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-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
.col-span-2 { grid-column: span 2 / span 2; }

.gap-px { gap: 1px; }
.gap-1 { gap: 0.25rem; }
.gap-1\.5 { gap: 0.375rem; }
.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-x-3 { column-gap: 0.75rem; }
.gap-x-6 { column-gap: 1.5rem; }
.gap-y-1 { row-gap: 0.25rem; }
.gap-y-2 { row-gap: 0.5rem; }

/* --------------------------------------------------------------------------
   9. Sizing
   -------------------------------------------------------------------------- */
.size-1 { width: 0.25rem; height: 0.25rem; }
.size-1\.5 { width: 0.375rem; height: 0.375rem; }
.size-2 { width: 0.5rem; height: 0.5rem; }
.size-2\.5 { width: 0.625rem; height: 0.625rem; }
.size-4 { width: 1rem; height: 1rem; }
.size-5 { width: 1.25rem; height: 1.25rem; }
.size-7 { width: 1.75rem; height: 1.75rem; }
.size-10 { width: 2.5rem; height: 2.5rem; }
.size-16 { width: 4rem; height: 4rem; }

.w-3 { width: 0.75rem; }
.w-4 { width: 1rem; }
.w-6 { width: 1.5rem; }
.w-9 { width: 2.25rem; }
.w-10 { width: 2.5rem; }
.w-12 { width: 3rem; }
.w-32 { width: 8rem; }
.w-40 { width: 10rem; }
.w-full { width: 100%; }
.w-px { width: 1px; }

.h-5 { height: 1.25rem; }
.h-8 { height: 2rem; }
.h-32 { height: 8rem; }
.h-auto { height: auto; }
.h-fit { height: fit-content; }
.h-px { height: 1px; }

.min-h-screen { min-height: 100vh; }
.min-h-\[220px\] { min-height: 220px; }
.min-w-0 { min-width: 0; }

.max-w-md { max-width: 28rem; }
.max-w-xl { max-width: 36rem; }
.max-w-2xl { max-width: 42rem; }
.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-\[55ch\] { max-width: 55ch; }

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

/* --------------------------------------------------------------------------
   10. Spacing — Padding
   -------------------------------------------------------------------------- */
.p-1 { padding: 0.25rem; }
.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; }

.px-1\.5 { padding-left: 0.375rem; padding-right: 0.375rem; }
.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; }

.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem; }
.py-1 { padding-top: 0.25rem; padding-bottom: 0.25rem; }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem; }
.py-2 { padding-top: 0.5rem; padding-bottom: 0.5rem; }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem; }
.py-3 { padding-top: 0.75rem; padding-bottom: 0.75rem; }
.py-3\.5 { padding-top: 0.875rem; padding-bottom: 0.875rem; }
.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-20 { padding-top: 5rem; padding-bottom: 5rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }

.pt-2 { padding-top: 0.5rem; }
.pt-3 { padding-top: 0.75rem; }
.pt-4 { padding-top: 1rem; }
.pt-8 { padding-top: 2rem; }
.pb-2 { padding-bottom: 0.5rem; }
.pb-3 { padding-bottom: 0.75rem; }
.pb-6 { padding-bottom: 1.5rem; }
.pb-16 { padding-bottom: 4rem; }
.pb-20 { padding-bottom: 5rem; }
.pl-7 { padding-left: 1.75rem; }
.pr-4 { padding-right: 1rem; }

/* --------------------------------------------------------------------------
   11. Spacing — Margin
   -------------------------------------------------------------------------- */
.mt-0\.5 { margin-top: 0.125rem; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 0.75rem; }
.mt-4 { margin-top: 1rem; }
.mt-5 { margin-top: 1.25rem; }
.mt-6 { margin-top: 1.5rem; }
.mt-8 { margin-top: 2rem; }
.mt-10 { margin-top: 2.5rem; }
.mt-14 { margin-top: 3.5rem; }
.mt-16 { margin-top: 4rem; }

.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; }
.mb-10 { margin-bottom: 2.5rem; }
.mb-12 { margin-bottom: 3rem; }
.mb-14 { margin-bottom: 3.5rem; }
.mb-16 { margin-bottom: 4rem; }

.ml-0\.5 { margin-left: 0.125rem; }
.ml-1 { margin-left: 0.25rem; }
.ml-auto { margin-left: auto; }
.my-1 { margin-top: 0.25rem; margin-bottom: 0.25rem; }

/* --------------------------------------------------------------------------
   12. Space Between Children
   -------------------------------------------------------------------------- */
.space-y-1 > * + * { margin-top: 0.25rem; }
.space-y-2 > * + * { margin-top: 0.5rem; }
.space-y-2\.5 > * + * { margin-top: 0.625rem; }
.space-y-5 > * + * { margin-top: 1.25rem; }
.space-y-8 > * + * { margin-top: 2rem; }
.space-y-10 > * + * { margin-top: 2.5rem; }

.lg\:space-y-px > * + * { margin-top: 1px; }

/* --------------------------------------------------------------------------
   13. Typography — Font Family & Size
   -------------------------------------------------------------------------- */
.font-sans { font-family: var(--font-sans); }
.font-mono { font-family: var(--font-mono); }

.text-\[9px\] { font-size: 9px; }
.text-\[10px\] { font-size: 10px; }
.text-\[11px\] { font-size: 11px; }
.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; }
.text-7xl { font-size: 4.5rem; line-height: 1; }

/* --------------------------------------------------------------------------
   14. Typography — Weight & Style
   -------------------------------------------------------------------------- */
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.uppercase { text-transform: uppercase; }
.not-italic { font-style: normal; }
.tabular-nums { font-variant-numeric: tabular-nums; }
.text-balance { text-wrap: balance; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.leading-relaxed { line-height: 1.625; }
.tracking-tight { letter-spacing: -0.025em; }
.tracking-widest { letter-spacing: 0.1em; }

/* --------------------------------------------------------------------------
   15. Text Colors
   -------------------------------------------------------------------------- */
.text-zinc-50 { color: var(--zinc-50); }
.text-zinc-100 { color: var(--zinc-100); }
.text-zinc-200 { color: var(--zinc-200); }
.text-zinc-300 { color: var(--zinc-300); }
.text-zinc-400 { color: var(--zinc-400); }
.text-zinc-500 { color: var(--zinc-500); }
.text-zinc-600 { color: var(--zinc-600); }
.text-zinc-700 { color: var(--zinc-700); }
.text-zinc-950 { color: var(--zinc-950); }
.text-amber-400 { color: var(--amber-400); }
.text-red-300 { color: var(--red-300); }
.text-current { color: currentColor; }

/* --------------------------------------------------------------------------
   16. Background Colors
   -------------------------------------------------------------------------- */
.bg-\[\#0a0a0a\] { background-color: #0a0a0a; }
.bg-\[\#0d0d0d\] { background-color: #0d0d0d; }
.bg-\[\#0f0f0f\] { background-color: #0f0f0f; }
.bg-\[\#111\] { background-color: #111; }

.bg-zinc-100 { background-color: var(--zinc-100); }
.bg-zinc-300 { background-color: var(--zinc-300); }
.bg-zinc-600 { background-color: var(--zinc-600); }
.bg-zinc-700 { background-color: var(--zinc-700); }
.bg-zinc-800 { background-color: var(--zinc-800); }
.bg-zinc-900 { background-color: var(--zinc-900); }
.bg-zinc-950 { background-color: var(--zinc-950); }
.bg-amber-400 { background-color: var(--amber-400); }
.bg-amber-500\/10 { background-color: color-mix(in srgb, var(--amber-500) 10%, transparent); }
.bg-red-950\/40 { background-color: color-mix(in srgb, var(--red-950) 40%, transparent); }
.bg-transparent { background-color: transparent; }

.bg-zinc-950\/50 { background-color: color-mix(in srgb, var(--zinc-950) 50%, transparent); }
.bg-zinc-950\/60 { background-color: color-mix(in srgb, var(--zinc-950) 60%, transparent); }
.bg-zinc-950\/70 { background-color: color-mix(in srgb, var(--zinc-950) 70%, transparent); }
.bg-zinc-950\/80 { background-color: color-mix(in srgb, var(--zinc-950) 80%, transparent); }
.bg-zinc-900\/30 { background-color: color-mix(in srgb, var(--zinc-900) 30%, transparent); }
.bg-zinc-900\/40 { background-color: color-mix(in srgb, var(--zinc-900) 40%, transparent); }
.bg-zinc-900\/60 { background-color: color-mix(in srgb, var(--zinc-900) 60%, transparent); }

/* --------------------------------------------------------------------------
   17. Gradients
   -------------------------------------------------------------------------- */
.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}
.bg-gradient-to-r {
  background-image: linear-gradient(to right, var(--tw-gradient-stops));
}
.from-brand { --tw-gradient-from: var(--brand); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.to-emerald-700 { --tw-gradient-to: var(--emerald-700); }
.from-zinc-800 { --tw-gradient-from: var(--zinc-800); --tw-gradient-stops: var(--tw-gradient-from), var(--tw-gradient-to, transparent); }
.via-zinc-700 { --tw-gradient-stops: var(--tw-gradient-from), var(--zinc-700), var(--tw-gradient-to, transparent); }
.via-zinc-900 { --tw-gradient-stops: var(--tw-gradient-from), var(--zinc-900), var(--tw-gradient-to, transparent); }
.to-zinc-700 { --tw-gradient-to: var(--zinc-700); }
.to-zinc-900 { --tw-gradient-to: var(--zinc-900); }
.to-zinc-950 { --tw-gradient-to: var(--zinc-950); }

/* --------------------------------------------------------------------------
   18. Borders
   -------------------------------------------------------------------------- */
.border { border-width: 1px; border-style: solid; }
.border-t { border-top-width: 1px; border-style: solid; }
.border-b { border-bottom-width: 1px; border-style: solid; }
.border-r { border-right-width: 1px; border-style: solid; }
.border-l { border-left-width: 1px; border-style: solid; }
.border-dashed { border-style: dashed; }
.border-zinc-700 { border-color: var(--zinc-700); }
.border-zinc-800 { border-color: var(--zinc-800); }
.border-zinc-900 { border-color: var(--zinc-900); }
.border-zinc-300 { border-color: var(--zinc-300); }

/* --------------------------------------------------------------------------
   19. Rings (box-shadow based)
   -------------------------------------------------------------------------- */
.ring-1 {
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 0 1px var(--tw-ring-color, currentColor);
  box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), 0 0 #0000;
}
.ring-dashed { --tw-ring-style: dashed; }
.ring-zinc-700 { --tw-ring-color: var(--zinc-700); }
.ring-zinc-800 { --tw-ring-color: var(--zinc-800); }
.ring-amber-500\/30 { --tw-ring-color: color-mix(in srgb, var(--amber-500) 30%, transparent); }

/* --------------------------------------------------------------------------
   20. Border Radius
   -------------------------------------------------------------------------- */
.rounded { border-radius: 0.25rem; }
.rounded-sm { border-radius: var(--radius-sm); }
.rounded-md { border-radius: var(--radius-md); }
.rounded-lg { border-radius: var(--radius-lg); }
.rounded-xl { border-radius: var(--radius-xl); }
.rounded-full { border-radius: 9999px; }

/* --------------------------------------------------------------------------
   21. Divide Utilities
   -------------------------------------------------------------------------- */
.divide-y > * + * { border-top-width: 1px; border-top-style: solid; }
.divide-x > * + * { border-left-width: 1px; border-left-style: solid; }
.divide-dashed > * + * { border-style: dashed; }
.divide-zinc-800 > * + * { border-color: var(--zinc-800); }

/* --------------------------------------------------------------------------
   22. Effects — Opacity, Shadow, Blur, Overflow
   -------------------------------------------------------------------------- */
.opacity-0 { opacity: 0; }
.opacity-40 { opacity: 0.4; }
.opacity-60 { opacity: 0.6; }
.opacity-70 { opacity: 0.7; }
.opacity-\[0\.08\] { opacity: 0.08; }

.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-\[0_0_0_1px_rgba\(0\,0\,0\,0\.4\)\,0_30px_60px_-30px_rgba\(0\,0\,0\,0\.6\)\] {
  box-shadow: 0 0 0 1px rgba(0, 0, 0, 0.4), 0 30px 60px -30px rgba(0, 0, 0, 0.6);
}

.backdrop-blur { backdrop-filter: blur(8px); }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }

/* --------------------------------------------------------------------------
   23. Transforms & Alignment
   -------------------------------------------------------------------------- */
.-translate-y-1\/2 { transform: translateY(-50%); }
.translate-x-0\.5 { transform: translateX(0.125rem); }
.translate-x-4 { transform: translateX(1rem); }
.align-\[-0\.12em\] { vertical-align: -0.12em; }
.h-\[1em\] { height: 1em; }

/* --------------------------------------------------------------------------
   24. Transitions & Cursor
   -------------------------------------------------------------------------- */
.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-transform { transition-property: transform; transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1); transition-duration: 150ms; }

.cursor-pointer { cursor: pointer; }
.cursor-default { cursor: default; }
.pointer-events-none { pointer-events: none; }
.outline-none { outline: none; }
.appearance-none { appearance: none; }

/* --------------------------------------------------------------------------
   25. Form Elements
   -------------------------------------------------------------------------- */
.placeholder-zinc-600::placeholder { color: var(--zinc-600); }
.placeholder\:text-zinc-600::placeholder { color: var(--zinc-600); }

/* --------------------------------------------------------------------------
   26. Arbitrary Property Utilities
   -------------------------------------------------------------------------- */
.\[background-image\:linear-gradient\(rgba\(255\,255\,255\,0\.015\)_1px\,transparent_1px\)\,linear-gradient\(90deg\,rgba\(255\,255\,255\,0\.015\)_1px\,transparent_1px\)\] {
  background-image: linear-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.015) 1px, transparent 1px);
}
.\[background-size\:32px_32px\] { background-size: 32px 32px; }
.\[color-scheme\:dark\] { color-scheme: dark; }
.\[scrollbar-width\:none\] { scrollbar-width: none; }
.\[\&\:\:-webkit-scrollbar\]\:hidden::-webkit-scrollbar { display: none; }
.\[\&\>\*\]\:border-zinc-800 > * { border-color: var(--zinc-800); }

/* --------------------------------------------------------------------------
   27. Pseudo-class Variants — Last Child
   -------------------------------------------------------------------------- */
.last\:border-b-0:last-child { border-bottom-width: 0; }

/* --------------------------------------------------------------------------
   28. Hover States
   -------------------------------------------------------------------------- */
.hover\:bg-\[\#0f0f0f\]:hover { background-color: #0f0f0f; }
.hover\:bg-brand\/90:hover { background-color: color-mix(in srgb, var(--brand) 90%, transparent); }
.hover\:bg-brand\/10:hover { background-color: color-mix(in srgb, var(--brand) 10%, transparent); }
.hover\:bg-zinc-800:hover { background-color: var(--zinc-800); }
.hover\:bg-zinc-900:hover { background-color: var(--zinc-900); }
.hover\:bg-zinc-900\/30:hover { background-color: color-mix(in srgb, var(--zinc-900) 30%, transparent); }
.hover\:bg-zinc-900\/40:hover { background-color: color-mix(in srgb, var(--zinc-900) 40%, transparent); }
.hover\:bg-zinc-900\/60:hover { background-color: color-mix(in srgb, var(--zinc-900) 60%, transparent); }
.hover\:bg-red-950\/60:hover { background-color: color-mix(in srgb, var(--red-950) 60%, transparent); }

.hover\:text-brand:hover { color: var(--brand); }
.hover\:text-brand\/80:hover { color: color-mix(in srgb, var(--brand) 80%, transparent); }
.hover\:text-zinc-200:hover { color: var(--zinc-200); }
.hover\:text-zinc-300:hover { color: var(--zinc-300); }

.hover\:border-brand:hover { border-color: var(--brand); }
.hover\:border-zinc-700:hover { border-color: var(--zinc-700); }
.hover\:border-zinc-800:hover { border-color: var(--zinc-800); }

.hover\:ring-brand:hover { --tw-ring-color: var(--brand); }
.hover\:ring-brand\/40:hover { --tw-ring-color: color-mix(in srgb, var(--brand) 40%, transparent); }
.hover\:ring-zinc-700:hover { --tw-ring-color: var(--zinc-700); }

.hover\:underline:hover { text-decoration-line: underline; }

/* --------------------------------------------------------------------------
   29. Focus States
   -------------------------------------------------------------------------- */
.focus\:outline-none:focus { outline: none; }
.focus\:border-brand:focus { border-color: var(--brand); }
.focus\:border-brand\/40:focus { border-color: color-mix(in srgb, var(--brand) 40%, transparent); }
.focus\:ring-1:focus {
  --tw-ring-offset-shadow: 0 0 #0000;
  --tw-ring-shadow: 0 0 0 1px var(--tw-ring-color, currentColor);
  box-shadow: var(--tw-ring-offset-shadow), var(--tw-ring-shadow), 0 0 #0000;
}
.focus\:ring-brand:focus { --tw-ring-color: var(--brand); }
.focus\:ring-brand\/40:focus { --tw-ring-color: color-mix(in srgb, var(--brand) 40%, transparent); }

/* --------------------------------------------------------------------------
   30. Disabled States
   -------------------------------------------------------------------------- */
.disabled\:opacity-40:disabled { opacity: 0.4; }
.disabled\:opacity-60:disabled { opacity: 0.6; }
.disabled\:cursor-not-allowed:disabled { cursor: not-allowed; }

/* --------------------------------------------------------------------------
   31. Responsive — sm: (640px)
   -------------------------------------------------------------------------- */
@media (min-width: 640px) {
  .sm\:block { display: block; }
  .sm\:inline { display: inline; }
  .sm\:flex { display: flex; }
  .sm\:hidden { display: none; }
  .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\:flex-row { flex-direction: row; }
  .sm\:justify-center { justify-content: center; }
  .sm\:items-end { align-items: flex-end; }
  .sm\:justify-between { justify-content: space-between; }
  .sm\:self-auto { align-self: auto; }
  .sm\:gap-4 { gap: 1rem; }
  .sm\:gap-8 { gap: 2rem; }
  .sm\:px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
  .sm\:py-4 { padding-top: 1rem; padding-bottom: 1rem; }
  .sm\:py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }
  .sm\:py-10 { padding-top: 2.5rem; padding-bottom: 2.5rem; }
  .sm\:py-12 { padding-top: 3rem; padding-bottom: 3rem; }
  .sm\:py-16 { padding-top: 4rem; padding-bottom: 4rem; }
  .sm\:py-20 { padding-top: 5rem; padding-bottom: 5rem; }
  .sm\:pt-12 { padding-top: 3rem; }
  .sm\:pb-6 { padding-bottom: 1.5rem; }
  .sm\:p-5 { padding: 1.25rem; }
  .sm\:p-8 { padding: 2rem; }
  .sm\:mb-6 { margin-bottom: 1.5rem; }
  .sm\:mt-14 { margin-top: 3.5rem; }
  .sm\:space-y-10 > * + * { margin-top: 2.5rem; }
  .sm\:w-12 { width: 3rem; }
  .sm\:w-40 { width: 10rem; }
  .sm\:text-3xl { font-size: 1.875rem; line-height: 2.25rem; }
  .sm\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .sm\:text-5xl { font-size: 3rem; line-height: 1; }
  .sm\:text-6xl { font-size: 3.75rem; line-height: 1; }
  .sm\:text-base { font-size: 1rem; line-height: 1.5rem; }
  .sm\:text-sm { font-size: 0.875rem; line-height: 1.25rem; }
  .sm\:text-2xl { font-size: 1.5rem; line-height: 2rem; }
  .sm\:text-\[10px\] { font-size: 10px; }
}

/* --------------------------------------------------------------------------
   32. Responsive — md: (768px)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
  .md\:block { display: block; }
  .md\:flex { display: flex; }
  .md\:hidden { display: none; }
  .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-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .md\:col-span-1 { grid-column: span 1 / span 1; }
  .md\:col-span-2 { grid-column: span 2 / span 2; }
  .md\:col-span-3 { grid-column: span 3 / span 3; }
  .md\:col-span-4 { grid-column: span 4 / span 4; }
  .md\:col-span-px { grid-column: span 1 / span 1; width: 1px; }
  .md\:flex-row { flex-direction: row; }
  .md\:flex-col { flex-direction: column; }
  .md\:items-center { align-items: center; }
  .md\:items-start { align-items: flex-start; }
  .md\:text-left { text-align: left; }
  .md\:text-right { text-align: right; }
  .md\:gap-4 { gap: 1rem; }
  .md\:p-12 { padding: 3rem; }
  .md\:py-0 { padding-top: 0; padding-bottom: 0; }
  .md\:divide-y-0 > * + * { border-top-width: 0; }
  .md\:divide-x > * + * { border-left-width: 1px; border-top-width: 0; }
  .md\:text-4xl { font-size: 2.25rem; line-height: 2.5rem; }
  .md\:text-5xl { font-size: 3rem; line-height: 1; }
  .md\:text-6xl { font-size: 3.75rem; line-height: 1; }
  .md\:text-7xl { font-size: 4.5rem; line-height: 1; }
  .md\:items-center { align-items: center; }
  .md\:col-span-12 { grid-column: span 12 / span 12; }
}

/* --------------------------------------------------------------------------
   33. Responsive — lg: (1024px)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
  .lg\:block { display: block; }
  .lg\:inline { display: inline; }
  .lg\:hidden { display: none; }
  .lg\:col-span-2 { grid-column: span 2 / span 2; }
  .lg\:gap-0 { gap: 0; }
  .lg\:flex-row { flex-direction: row; }
  .lg\:items-center { align-items: center; }
  .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-12 { grid-template-columns: repeat(12, minmax(0, 1fr)); }
  .lg\:grid-cols-\[1fr_360px\] { grid-template-columns: 1fr 360px; }
  .lg\:col-span-3 { grid-column: span 3 / span 3; }
  .lg\:col-span-9 { grid-column: span 9 / span 9; }
  .lg\:gap-3 { gap: 0.75rem; }
  .lg\:gap-8 { gap: 2rem; }
  .lg\:mx-0 { margin-left: 0; margin-right: 0; }
  .lg\:px-0 { padding-left: 0; padding-right: 0; }
  .lg\:pb-0 { padding-bottom: 0; }
  .lg\:w-full { width: 100%; }
  .lg\:space-y-px > * + * { margin-top: 1px; }
}

/* --------------------------------------------------------------------------
   34. Additional Utilities (route-specific gaps)
   -------------------------------------------------------------------------- */
.px-6 { padding-left: 1.5rem; padding-right: 1.5rem; }
.pt-8 { padding-top: 2rem; }
.pt-12 { padding-top: 3rem; }
.pb-16 { padding-bottom: 4rem; }
.py-24 { padding-top: 6rem; padding-bottom: 6rem; }
.border-y { border-top-width: 1px; border-bottom-width: 1px; border-style: solid; }
.border-l { border-left-width: 1px; border-style: solid; }
.border-r { border-right-width: 1px; border-style: solid; }
.gap-5 { gap: 1.25rem; }
.gap-8 { gap: 2rem; }
.w-8 { width: 2rem; }
.h-8 { height: 2rem; }
.text-2xl { font-size: 1.5rem; line-height: 2rem; }
.opacity-40 { opacity: 0.4; }
.justify-center { justify-content: center; }
.overflow-hidden { overflow: hidden; }
.ring-dashed { --tw-ring-style: dashed; }

.hover\:ring-brand\/40:hover { --tw-ring-color: color-mix(in srgb, var(--brand) 40%, transparent); }

/* --------------------------------------------------------------------------
   35. Group utility (reserved)
   -------------------------------------------------------------------------- */
.group { /* parent marker for group-hover patterns */ }

/* --------------------------------------------------------------------------
   36. Semantic color utilities (design token aliases)
   -------------------------------------------------------------------------- */
.bg-background { background-color: var(--background); }
.bg-primary { background-color: var(--primary); }
.bg-accent { background-color: var(--accent); }
.text-foreground { color: var(--foreground); }
.text-primary-foreground { color: var(--primary-foreground); }
.text-muted-foreground { color: var(--muted-foreground); }
.border-input { border-color: var(--input); }

.hover\:bg-primary\/90:hover { background-color: color-mix(in srgb, var(--primary) 90%, transparent); }
.hover\:bg-accent:hover { background-color: var(--accent); }

/* --------------------------------------------------------------------------
   37. Color-mix helper documentation
      Inline styles may use: color-mix(in oklab, var(--brand) 35%, transparent)
   -------------------------------------------------------------------------- */