/* ═══════════════════════════════════════════════════════════════════════════
   Creative Diffusion — Complete CSS Replacement for Tailwind
   ═══════════════════════════════════════════════════════════════════════════ */

/* ─────────────────────────────────────────────────────────────────────────
   CSS Reset & Normalize
   ───────────────────────────────────────────────────────────────────────── */

*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  border-width: 0;
  border-style: solid;
  border-color: currentColor;
}

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body,
html {
  height: 100%;
}

body {
  font-family: 'Inter', sans-serif;
  line-height: 1.5;
  -webkit-text-size-adjust: 100%;
}

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

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  line-height: 1.15;
  margin: 0;
}

button {
  cursor: pointer;
  border: none;
  background: transparent;
  padding: 0;
  color: inherit;
}

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

img,
svg {
  max-width: 100%;
  height: auto;
  display: block;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
}

/* ─────────────────────────────────────────────────────────────────────────
   CSS Custom Properties (Color Palette)
   ───────────────────────────────────────────────────────────────────────── */

:root {
  /* Brand Colors */
  --color-brand-purple: #818cf8;
  --color-brand-purple-dark: #6366f1;
  --color-brand-purple-light: #a5b4fc;

  /* Dark Theme Colors */
  --color-d-950: #09090d;
  --color-d-900: #0f0f14;
  --color-d-800: #16161d;
  --color-d-700: #1e1e27;
  --color-d-600: #272732;
  --color-d-500: #32323f;
  --color-d-400: #42424f;
  --color-d-300: #5a5a6a;

  /* Gray Scale */
  --color-gray-50: #f9fafb;
  --color-gray-100: #f3f4f6;
  --color-gray-200: #e5e7eb;
  --color-gray-300: #d1d5db;
  --color-gray-400: #9ca3af;
  --color-gray-500: #6b7280;
  --color-gray-600: #4b5563;
  --color-gray-700: #374151;
  --color-gray-800: #1f2937;
  --color-gray-900: #111827;

  /* Color Scale - Greens */
  --color-green-50: #f0fdf4;
  --color-green-100: #dcfce7;
  --color-green-400: #4ade80;
  --color-green-500: #22c55e;
  --color-green-600: #16a34a;

  /* Color Scale - Amber */
  --color-amber-50: #fffbeb;
  --color-amber-200: #fde68a;
  --color-amber-300: #fcd34d;
  --color-amber-400: #fbbf24;
  --color-amber-500: #f59e0b;
  --color-amber-600: #d97706;
  --color-amber-700: #b45309;

  /* Color Scale - Yellow */
  --color-yellow-300: #fcd34d;
  --color-yellow-400: #facc15;

  /* Color Scale - Red */
  --color-red-50: #fef2f2;

  /* Color Scale - Indigo */
  --color-indigo-50: #eef2ff;
  --color-indigo-100: #e0e7ff;
  --color-indigo-500: #6366f1;
  --color-indigo-600: #4f46e5;

  /* Color Scale - Purple */
  --color-purple-50: #faf5ff;
  --color-purple-600: #9333ea;

  /* Color Scale - Blue */
  --color-blue-50: #eff6ff;

  /* White & Black */
  --color-white: #ffffff;
  --color-black: #000000;

  /* Spacing */
  --space-0: 0;
  --space-0-5: 0.125rem;
  --space-1: 0.25rem;
  --space-1-5: 0.375rem;
  --space-2: 0.5rem;
  --space-2-5: 0.625rem;
  --space-3: 0.75rem;
  --space-3-5: 0.875rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-7: 1.75rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-14: 3.5rem;
  --space-16: 4rem;

  /* Font Sizes */
  --font-size-xs: 0.75rem;
  --font-size-sm: 0.875rem;
  --font-size-base: 1rem;
  --font-size-lg: 1.125rem;
  --font-size-xl: 1.25rem;
  --font-size-2xl: 1.5rem;
  --font-size-3xl: 1.875rem;
  --font-size-4xl: 3.25rem;
  --font-size-5xl: 4rem;

  /* Line Heights */
  --line-height-tight: 1.25;
  --line-height-snug: 1.375;
  --line-height-normal: 1.5;
  --line-height-relaxed: 1.625;

  /* Border Radius */
  --radius-none: 0;
  --radius-sm: 0.125rem;
  --radius-base: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-2xl: 1rem;
}

/* ─────────────────────────────────────────────────────────────────────────
   Base Styles
   ───────────────────────────────────────────────────────────────────────── */

body {
  background-color: var(--color-white);
  color: var(--color-gray-900);
}

html.dark body {
  background-color: var(--color-d-900);
  color: var(--color-gray-200);
}

/* ─────────────────────────────────────────────────────────────────────────
   Display & Visibility
   ───────────────────────────────────────────────────────────────────────── */

.hidden {
  display: none;
}

.block {
  display: block;
}

.inline-block {
  display: inline-block;
}

.inline-flex {
  display: inline-flex;
}

.flex {
  display: flex;
}

.grid {
  display: grid;
}

.flex-col {
  flex-direction: column;
}

.flex-wrap {
  flex-wrap: wrap;
}

.flex-1 {
  flex: 1 1 0%;
}

.shrink-0 {
  flex-shrink: 0;
}

.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;
}

/* ─────────────────────────────────────────────────────────────────────────
   Positioning
   ───────────────────────────────────────────────────────────────────────── */

.fixed {
  position: fixed;
}

.sticky {
  position: sticky;
}

.absolute {
  position: absolute;
}

.relative {
  position: relative;
}

.inset-0 {
  top: 0;
  right: 0;
  bottom: 0;
  left: 0;
}

.inset-x-0 {
  left: 0;
  right: 0;
}

.top-0 {
  top: 0;
}

.top-1\/2 {
  top: 50%;
}

.top-3 {
  top: var(--space-3);
}

.top-24 {
  top: 6rem;
}

.bottom-0 {
  bottom: 0;
}

.left-3 {
  left: var(--space-3);
}

.-right-2 {
  right: -0.5rem;
}

.-ml-\[2px\] {
  margin-left: -2px;
}

.z-10 {
  z-index: 10;
}

.z-50 {
  z-index: 50;
}

.z-\[100\] {
  z-index: 100;
}

/* ─────────────────────────────────────────────────────────────────────────
   Flexbox Properties
   ───────────────────────────────────────────────────────────────────────── */

.items-center {
  align-items: center;
}

.items-start {
  align-items: flex-start;
}

.justify-between {
  justify-content: space-between;
}

.justify-center {
  justify-content: center;
}

.gap-0-5 {
  gap: var(--space-0-5);
}

.gap-1 {
  gap: var(--space-1);
}

.gap-1-5 {
  gap: var(--space-1-5);
}

.gap-2 {
  gap: var(--space-2);
}

.gap-2-5 {
  gap: var(--space-2-5);
}

.gap-3 {
  gap: var(--space-3);
}

.gap-4 {
  gap: var(--space-4);
}

.gap-5 {
  gap: var(--space-5);
}

.gap-6 {
  gap: var(--space-6);
}

.gap-8 {
  gap: var(--space-8);
}

.gap-10 {
  gap: var(--space-10);
}

/* ─────────────────────────────────────────────────────────────────────────
   Grid Properties
   ───────────────────────────────────────────────────────────────────────── */

.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));
}

/* ─────────────────────────────────────────────────────────────────────────
   Sizing
   ───────────────────────────────────────────────────────────────────────── */

.w-full {
  width: 100%;
}

.w-4 {
  width: var(--space-4);
}

.w-5 {
  width: 1.25rem;
}

.w-6 {
  width: 1.5rem;
}

.w-7 {
  width: 1.75rem;
}

.w-8 {
  width: 2rem;
}

.w-9 {
  width: 2.25rem;
}

.w-10 {
  width: 2.5rem;
}

.w-12 {
  width: 3rem;
}

.w-16 {
  width: 4rem;
}

.w-20 {
  width: 5rem;
}

.w-48 {
  width: 12rem;
}

.w-64 {
  width: 16rem;
}

.h-full {
  height: 100%;
}

.h-2\.5 {
  height: 0.625rem;
}

.h-3 {
  height: 0.75rem;
}

.h-4 {
  height: var(--space-4);
}

.h-5 {
  height: 1.25rem;
}

.h-6 {
  height: 1.5rem;
}

.h-7 {
  height: 1.75rem;
}

.h-8 {
  height: 2rem;
}

.h-9 {
  height: 2.25rem;
}

.h-10 {
  height: 2.5rem;
}

.h-12 {
  height: 3rem;
}

.h-16 {
  height: 4rem;
}

.h-20 {
  height: 5rem;
}

.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-6xl {
  max-width: 66rem;
}

.min-w-0 {
  min-width: 0;
}

/* Aspect Ratios */
.aspect-\[16\/9\] {
  aspect-ratio: 16 / 9;
}

.aspect-\[4\/3\] {
  aspect-ratio: 4 / 3;
}

/* ─────────────────────────────────────────────────────────────────────────
   Spacing - Padding
   ───────────────────────────────────────────────────────────────────────── */

.p-2 {
  padding: var(--space-2);
}

.p-4 {
  padding: var(--space-4);
}

.p-5 {
  padding: var(--space-5);
}

.p-6 {
  padding: var(--space-6);
}

.p-8 {
  padding: var(--space-8);
}

.px-2 {
  padding-left: var(--space-2);
  padding-right: var(--space-2);
}

.px-2-5 {
  padding-left: var(--space-2-5);
  padding-right: var(--space-2-5);
}

.px-3 {
  padding-left: 0.75rem;
  padding-right: 0.75rem;
}

.px-3-5 {
  padding-left: var(--space-3-5);
  padding-right: var(--space-3-5);
}

.px-4 {
  padding-left: var(--space-4);
  padding-right: var(--space-4);
}

.px-5 {
  padding-left: var(--space-5);
  padding-right: var(--space-5);
}

.px-6 {
  padding-left: var(--space-6);
  padding-right: var(--space-6);
}

.px-7 {
  padding-left: 1.75rem;
  padding-right: 1.75rem;
}

.py-1 {
  padding-top: var(--space-1);
  padding-bottom: var(--space-1);
}

.py-1-5 {
  padding-top: var(--space-1-5);
  padding-bottom: var(--space-1-5);
}

.py-2 {
  padding-top: var(--space-2);
  padding-bottom: var(--space-2);
}

.py-2-5 {
  padding-top: var(--space-2-5);
  padding-bottom: var(--space-2-5);
}

.py-3 {
  padding-top: var(--space-3);
  padding-bottom: var(--space-3);
}

.py-4 {
  padding-top: var(--space-4);
  padding-bottom: var(--space-4);
}

.py-5 {
  padding-top: var(--space-5);
  padding-bottom: var(--space-5);
}

.pt-6 {
  padding-top: var(--space-6);
}

.pt-8 {
  padding-top: var(--space-8);
}

.pt-14 {
  padding-top: var(--space-14);
}

.pt-16 {
  padding-top: 4rem;
}

.pb-1 {
  padding-bottom: var(--space-1);
}

.pb-2 {
  padding-bottom: var(--space-2);
}

.pb-10 {
  padding-bottom: var(--space-10);
}

.pb-16 {
  padding-bottom: 4rem;
}

.pl-4 {
  padding-left: var(--space-4);
}

.pl-6 {
  padding-left: var(--space-6);
}

.pl-7 {
  padding-left: 1.75rem;
}

/* ─────────────────────────────────────────────────────────────────────────
   Spacing - Margin
   ───────────────────────────────────────────────────────────────────────── */

.m-0 {
  margin: var(--space-0);
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.my-4 {
  margin-top: var(--space-4);
  margin-bottom: var(--space-4);
}

.my-8 {
  margin-top: var(--space-8);
  margin-bottom: var(--space-8);
}

.ml-2 {
  margin-left: var(--space-2);
}

.ml-4 {
  margin-left: var(--space-4);
}

.mb-0-5 {
  margin-bottom: var(--space-0-5);
}

.mb-1 {
  margin-bottom: var(--space-1);
}

.mb-2 {
  margin-bottom: var(--space-2);
}

.mb-3 {
  margin-bottom: var(--space-5);
}

.mb-4 {
  margin-bottom: var(--space-4);
}

.mb-5 {
  margin-bottom: var(--space-5);
}

.mb-6 {
  margin-bottom: var(--space-6);
}

.mb-8 {
  margin-bottom: var(--space-8);
}

.mb-10 {
  margin-bottom: var(--space-10);
}

.mb-12 {
  margin-bottom: var(--space-12);
}

.mb-14 {
  margin-bottom: var(--space-14);
}

.mt-0-5 {
  margin-top: var(--space-0-5);
}

.mt-1 {
  margin-top: var(--space-1);
}

.mt-2 {
  margin-top: var(--space-2);
}

.mt-4 {
  margin-top: var(--space-4);
}

.mt-6 {
  margin-top: var(--space-6);
}

.mt-8 {
  margin-top: var(--space-8);
}

.mt-10 {
  margin-top: var(--space-10);
}

.mt-\[15vh\] {
  margin-top: 15vh;
}

/* ─────────────────────────────────────────────────────────────────────────
   Typography
   ───────────────────────────────────────────────────────────────────────── */

.text-xs {
  font-size: var(--font-size-xs);
  line-height: 1rem;
}

.text-sm {
  font-size: var(--font-size-sm);
  line-height: 1.25rem;
}

.text-base {
  font-size: var(--font-size-base);
  line-height: 1.5rem;
}

.text-lg {
  font-size: var(--font-size-lg);
  line-height: 1.75rem;
}

.text-xl {
  font-size: var(--font-size-xl);
  line-height: 1.75rem;
}

.text-2xl {
  font-size: var(--font-size-2xl);
  line-height: 2rem;
}

.text-3xl {
  font-size: var(--font-size-3xl);
  line-height: 2.25rem;
}

.text-4xl {
  font-size: var(--font-size-4xl);
  line-height: 2.5rem;
}

.text-5xl {
  font-size: var(--font-size-5xl);
  line-height: 1;
}

.text-\[10px\] {
  font-size: 10px;
}

.text-\[11px\] {
  font-size: 11px;
}

.text-\[12px\] {
  font-size: 12px;
}

.text-\[13px\] {
  font-size: 13px;
}

.font-mono {
  font-family: ui-monospace, SFMono-Regular, 'SF Mono', Menlo, monospace;
}

.font-medium {
  font-weight: 500;
}

.font-semibold {
  font-weight: 600;
}

.font-bold {
  font-weight: 700;
}

.font-extrabold {
  font-weight: 800;
}

.tracking-tight {
  letter-spacing: -0.02em;
}

.tracking-wide {
  letter-spacing: 0.025em;
}

.tracking-wider {
  letter-spacing: 0.05em;
}

.tracking-widest {
  letter-spacing: 0.1em;
}

.leading-tight {
  line-height: var(--line-height-tight);
}

.leading-snug {
  line-height: var(--line-height-snug);
}

.leading-relaxed {
  line-height: var(--line-height-relaxed);
}

.text-center {
  text-align: center;
}

.uppercase {
  text-transform: uppercase;
}

.line-clamp-2 {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.truncate {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─────────────────────────────────────────────────────────────────────────
   Text Colors
   ───────────────────────────────────────────────────────────────────────── */

.text-white {
  color: var(--color-white);
}

.text-black {
  color: var(--color-black);
}

.text-gray-100 {
  color: var(--color-gray-100);
}

.text-gray-200 {
  color: var(--color-gray-200);
}

.text-gray-300 {
  color: var(--color-gray-300);
}

.text-gray-400 {
  color: var(--color-gray-400);
}

.text-gray-500 {
  color: var(--color-gray-500);
}

.text-gray-600 {
  color: var(--color-gray-600);
}

.text-gray-700 {
  color: var(--color-gray-700);
}

.text-gray-900 {
  color: var(--color-gray-900);
}

.text-brand-purple {
  color: var(--color-brand-purple);
}

.text-amber-600 {
  color: var(--color-amber-600);
}

.text-amber-700 {
  color: var(--color-amber-700);
}

.text-green-400 {
  color: var(--color-green-400);
}

.text-green-600 {
  color: var(--color-green-600);
}

.text-yellow-400 {
  color: var(--color-yellow-400);
}

.text-indigo-600 {
  color: var(--color-indigo-600);
}

/* ─────────────────────────────────────────────────────────────────────────
   Background Colors
   ───────────────────────────────────────────────────────────────────────── */

.bg-white {
  background-color: var(--color-white);
}

.bg-black {
  background-color: var(--color-black);
}

.bg-black\/50 {
  background-color: rgba(0, 0, 0, 0.5);
}

.bg-black\/70 {
  background-color: rgba(0, 0, 0, 0.7);
}

.bg-gray-50 {
  background-color: var(--color-gray-50);
}

.bg-gray-100 {
  background-color: var(--color-gray-100);
}

.bg-gray-200 {
  background-color: var(--color-gray-200);
}

.bg-gray-900 {
  background-color: var(--color-gray-900);
}

.bg-brand-purple {
  background-color: var(--color-brand-purple);
}

.bg-brand-purple\/10 {
  background-color: rgba(129, 140, 248, 0.1);
}

.bg-amber-50 {
  background-color: var(--color-amber-50);
}

.bg-amber-500\/5 {
  background-color: rgba(245, 158, 11, 0.05);
}

.bg-green-100 {
  background-color: var(--color-green-100);
}

.bg-green-500\/10 {
  background-color: rgba(34, 197, 94, 0.1);
}

.bg-yellow-300 {
  background-color: var(--color-yellow-300);
}

.bg-yellow-400 {
  background-color: var(--color-yellow-400);
}

.bg-indigo-100 {
  background-color: var(--color-indigo-100);
}

.bg-indigo-500\/20 {
  background-color: rgba(99, 102, 241, 0.2);
}

.bg-gradient-to-r {
  background-image: linear-gradient(to right, var(--tw-gradient-stops));
}

.bg-gradient-to-br {
  background-image: linear-gradient(to bottom right, var(--tw-gradient-stops));
}

.from-indigo-50 {
  --tw-gradient-stops: var(--color-indigo-50), var(--tw-gradient-to, rgba(238, 242, 255, 0));
}

.via-purple-50 {
  --tw-gradient-stops: var(--color-indigo-50), var(--color-purple-50), var(--tw-gradient-to, rgba(250, 245, 255, 0));
}

.to-blue-50 {
  --tw-gradient-stops: var(--tw-gradient-via, var(--color-purple-50)), var(--color-blue-50);
}

html.dark .from-d-800 {
  --tw-gradient-stops: var(--color-d-800), var(--tw-gradient-to, rgba(22, 22, 29, 0));
}

html.dark .via-d-800 {
  --tw-gradient-stops: var(--color-d-800), var(--color-d-800), var(--tw-gradient-to, rgba(22, 22, 29, 0));
}

html.dark .to-d-800 {
  --tw-gradient-stops: var(--tw-gradient-via, var(--color-d-800)), var(--color-d-800);
}

.from-brand-purple {
  --tw-gradient-stops: var(--color-brand-purple), var(--tw-gradient-to, rgba(129, 140, 248, 0));
}

.to-indigo-600 {
  --tw-gradient-stops: var(--tw-gradient-via, var(--color-brand-purple)), var(--color-indigo-600);
}

/* ─────────────────────────────────────────────────────────────────────────
   Borders
   ───────────────────────────────────────────────────────────────────────── */

.border {
  border-width: 1px;
  border-style: solid;
}

.border-b {
  border-bottom-width: 1px;
}

.border-t {
  border-top-width: 1px;
}

.border-y {
  border-top-width: 1px;
  border-bottom-width: 1px;
}

.border-l-2 {
  border-left-width: 2px;
}

.border-l-4 {
  border-left-width: 4px;
}

.border-gray-100 {
  border-color: var(--color-gray-100);
}

.border-gray-200 {
  border-color: var(--color-gray-200);
}

.border-gray-300 {
  border-color: var(--color-gray-300);
}

.border-gray-400 {
  border-color: var(--color-gray-400);
}

.border-brand-purple {
  border-color: var(--color-brand-purple);
}

.border-brand-purple\/20 {
  border-color: rgba(129, 140, 248, 0.2);
}

.border-amber-200 {
  border-color: var(--color-amber-200);
}

.border-amber-500\/20 {
  border-color: rgba(245, 158, 11, 0.2);
}

.border-transparent {
  border-color: transparent;
}

html.dark .border-d-500 {
  border-color: var(--color-d-500);
}

html.dark .border-d-600 {
  border-color: var(--color-d-600);
}

html.dark .border-d-600\/50 {
  border-color: rgba(39, 39, 50, 0.5);
}

html.dark .border-indigo-500\/20 {
  border-color: rgba(99, 102, 241, 0.2);
}

/* ─────────────────────────────────────────────────────────────────────────
   Border Radius
   ───────────────────────────────────────────────────────────────────────── */

.rounded-full {
  border-radius: 9999px;
}

.rounded-lg {
  border-radius: var(--radius-lg);
}

.rounded-xl {
  border-radius: var(--radius-xl);
}

.rounded-2xl {
  border-radius: var(--radius-2xl);
}

.rounded-md {
  border-radius: 0.375rem;
}

.rounded-px {
  border-radius: 1px;
}

/* ─────────────────────────────────────────────────────────────────────────
   Overflow
   ───────────────────────────────────────────────────────────────────────── */

.overflow-hidden {
  overflow: hidden;
}

.overflow-x-auto {
  overflow-x: auto;
}

.overflow-y-auto {
  overflow-y: auto;
}

/* Custom Scrollbar */
.no-scrollbar::-webkit-scrollbar {
  display: none;
}

.no-scrollbar {
  -ms-overflow-style: none;
  scrollbar-width: none;
}

/* ─────────────────────────────────────────────────────────────────────────
   Dark Mode Utilities
   ───────────────────────────────────────────────────────────────────────── */

html.dark .dark\:hidden {
  display: none !important;
}

html.dark .dark\:block {
  display: block !important;
}

html.dark .dark\:bg-d-600 {
  background-color: var(--color-d-600);
}

html.dark .dark\:bg-d-700 {
  background-color: var(--color-d-700);
}

html.dark .dark\:bg-d-800 {
  background-color: var(--color-d-800);
}

html.dark .dark\:bg-d-800\/60 {
  background-color: rgba(22, 22, 29, 0.6);
}

html.dark .dark\:bg-d-900 {
  background-color: var(--color-d-900);
}

html.dark .dark\:bg-d-900\/85 {
  background-color: rgba(15, 15, 20, 0.85);
}

html.dark .dark\:bg-d-950 {
  background-color: var(--color-d-950);
}

html.dark .dark\:bg-amber-500\/5 {
  background-color: rgba(245, 158, 11, 0.05);
}

html.dark .dark\:text-gray-200 {
  color: var(--color-gray-200);
}

html.dark .dark\:text-gray-300 {
  color: var(--color-gray-300);
}

html.dark .dark\:text-gray-400 {
  color: var(--color-gray-400);
}

html.dark .dark\:text-gray-500 {
  color: var(--color-gray-500);
}

html.dark .dark\:text-amber-300 {
  color: var(--color-amber-300);
}

html.dark .dark\:text-amber-400 {
  color: var(--color-amber-400);
}

html.dark .dark\:text-d-500 {
  color: var(--color-d-500);
}

html.dark .dark\:text-d-600 {
  color: var(--color-d-600);
}

html.dark .dark\:text-green-400 {
  color: var(--color-green-400);
}

html.dark .dark\:border-d-500 {
  border-color: var(--color-d-500);
}

html.dark .dark\:border-d-600 {
  border-color: var(--color-d-600);
}

html.dark .dark\:border-d-600\/50 {
  border-color: rgba(39, 39, 50, 0.5);
}

html.dark .dark\:border-amber-500\/20 {
  border-color: rgba(245, 158, 11, 0.2);
}

html.dark .dark\:border-brand-purple\/20 {
  border-color: rgba(129, 140, 248, 0.2);
}

html.dark .dark\:hidden {
  display: none;
}

html.dark .dark\:block {
  display: block;
}

/* ─────────────────────────────────────────────────────────────────────────
   Hover States
   ───────────────────────────────────────────────────────────────────────── */

.hover\:bg-gray-50:hover {
  background-color: var(--color-gray-50);
}

.hover\:bg-gray-200:hover {
  background-color: var(--color-gray-200);
}

.hover\:bg-yellow-300:hover {
  background-color: var(--color-yellow-300);
}

.hover\:bg-brand-purple:hover {
  background-color: var(--color-brand-purple);
}

.hover\:bg-brand-purple-dark:hover {
  background-color: var(--color-brand-purple-dark);
}

.hover\:text-brand-purple:hover {
  color: var(--color-brand-purple);
}

.hover\:border-brand-purple:hover {
  border-color: var(--color-brand-purple);
}

html.dark .dark\:hover\:bg-d-600:hover {
  background-color: var(--color-d-600);
}

html.dark .dark\:hover\:bg-d-700:hover {
  background-color: var(--color-d-700);
}

html.dark .dark\:hover\:text-brand-purple:hover {
  color: var(--color-brand-purple);
}

/* ─────────────────────────────────────────────────────────────────────────
   Group Hover States
   ───────────────────────────────────────────────────────────────────────── */

.group:hover .group-hover\:opacity-100 {
  opacity: 1;
}

.group:hover .group-hover\:text-brand-purple {
  color: var(--color-brand-purple);
}

/* ─────────────────────────────────────────────────────────────────────────
   Focus States
   ───────────────────────────────────────────────────────────────────────── */

.focus\:ring-brand-purple:focus {
  outline: 2px solid transparent;
  outline-offset: 2px;
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.1), 0 0 0 3px var(--color-brand-purple);
}

.focus\:border-brand-purple:focus {
  border-color: var(--color-brand-purple);
}

/* ─────────────────────────────────────────────────────────────────────────
   Transitions & Effects
   ───────────────────────────────────────────────────────────────────────── */

.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-all {
  transition-property: all;
  transition-timing-function: cubic-bezier(0.4, 0, 0.2, 1);
  transition-duration: 150ms;
}

.duration-300 {
  transition-duration: 300ms;
}

.opacity-0 {
  opacity: 0;
}

.opacity-100 {
  opacity: 1;
}

.backdrop-blur-sm {
  backdrop-filter: blur(4px);
}

.backdrop-blur-xl {
  backdrop-filter: blur(24px);
}

/* ─────────────────────────────────────────────────────────────────────────
   Shadow Effects
   ───────────────────────────────────────────────────────────────────────── */

.shadow-lg {
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
}

.shadow-2xl {
  box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
}

/* ─────────────────────────────────────────────────────────────────────────
   Object Fit
   ───────────────────────────────────────────────────────────────────────── */

.object-cover {
  object-fit: cover;
}

/* ─────────────────────────────────────────────────────────────────────────
   Cursor
   ───────────────────────────────────────────────────────────────────────── */

.cursor-pointer {
  cursor: pointer;
}

/* ─────────────────────────────────────────────────────────────────────────
   Placeholder
   ───────────────────────────────────────────────────────────────────────── */

.placeholder-gray-400::placeholder {
  color: var(--color-gray-400);
}

/* ─────────────────────────────────────────────────────────────────────────
   Space Y (Vertical Spacing Between Children)
   ───────────────────────────────────────────────────────────────────────── */

.space-y-0-5 > * + * {
  margin-top: var(--space-0-5);
}

.space-y-1 > * + * {
  margin-top: var(--space-1);
}

.space-y-3 > * + * {
  margin-top: var(--space-3);
}

/* ─────────────────────────────────────────────────────────────────────────
   Responsive Breakpoints
   ───────────────────────────────────────────────────────────────────────── */

@media (min-width: 640px) {
  .sm\:inline-flex {
    display: inline-flex;
  }

  .sm\:flex-row {
    flex-direction: row;
  }

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

  .sm\:text-4xl {
    font-size: var(--font-size-4xl);
    line-height: 2.5rem;
  }

  .sm\:text-5xl {
    font-size: var(--font-size-5xl);
    line-height: 1;
  }

  .sm\:text-sm {
    font-size: var(--font-size-sm);
    line-height: 1.25rem;
  }

  .sm\:p-4 {
    padding: var(--space-4);
  }

  .sm\:px-2 {
    padding-left: var(--space-2);
    padding-right: var(--space-2);
  }
}

@media (min-width: 768px) {
  .md\:hidden {
    display: none;
  }

  .md\:flex {
    display: flex;
  }

  .md\:flex-row {
    flex-direction: row;
  }

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

  .md\:grid-cols-4 {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .md\:text-3xl {
    font-size: var(--font-size-3xl);
    line-height: 2.25rem;
  }

  .md\:text-4xl {
    font-size: var(--font-size-4xl);
    line-height: 3.5rem;
  }

  .md\:text-5xl {
    font-size: var(--font-size-5xl);
    line-height: 1;
  }

  .md\:p-8 {
    padding: 2rem;
  }

  .md\:gap-10 {
    gap: var(--space-10);
  }
}

@media (min-width: 1024px) {
  .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\:block {
    display: block;
  }

  .lg\:grid-cols-\[1fr_260px\] {
    grid-template-columns: 1fr 260px;
  }

  .lg\:grid {
    display: grid;
  }

  .lg\:gap-10 {
    gap: var(--space-10);
  }

  .lg\:max-w-\[calc\(100\%-292px\)\] {
    max-width: calc(100% - 292px);
  }
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Thumbnail
   ───────────────────────────────────────────────────────────────────────── */

.thumb {
  position: relative;
  background-size: cover;
  background-position: center;
  overflow: hidden;
}

.thumb-label {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  background: linear-gradient(to bottom right, var(--color-brand-purple), var(--color-indigo-600));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
  text-align: center;
  line-height: 1.1;
  pointer-events: none;
}

.thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0,0,0,.45) 0%, transparent 55%);
  pointer-events: none;
  z-index: 1;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Hero A (Light Gradient Mesh)
   ───────────────────────────────────────────────────────────────────────── */

.hero-a {
  position: relative;
  overflow: hidden;
  padding: 68px 24px 56px;
  text-align: center;
  width: 100%;
}

.hero-a-inner {
  position: relative;
  z-index: 1;
  max-width: 72rem;
  margin: 0 auto;
}

/* Mesh blobs */
.hero-a-mesh {
  position: absolute;
  border-radius: 50%;
  pointer-events: none;
}
.hero-a-mesh-1 {
  width: 500px; height: 500px;
  top: -140px; left: -100px;
  background: radial-gradient(circle, rgba(129,140,248,0.15) 0%, transparent 70%);
}
.hero-a-mesh-2 {
  width: 420px; height: 420px;
  top: -80px; right: -120px;
  background: radial-gradient(circle, rgba(124,58,237,0.1) 0%, transparent 70%);
}
.hero-a-mesh-3 {
  width: 480px; height: 340px;
  bottom: -100px; left: 28%;
  background: radial-gradient(circle, rgba(99,102,241,0.08) 0%, transparent 70%);
}

/* Badge */
.hero-a-badge {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: rgba(129,140,248,0.08);
  border: 1px solid rgba(129,140,248,0.15);
  color: #6366f1;
  font-size: 12px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 26px;
}
.hero-a-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: #818cf8;
  animation: heroAPulse 2s ease-in-out infinite;
}
@keyframes heroAPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

/* Title */
.hero-a-title {
  font-size: 4rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.06;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #1a1a2e 0%, #6366f1 50%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* Subtitle */
.hero-a-subtitle {
  font-size: 1.1rem;
  color: #6b7280;
  max-width: 500px;
  margin: 0 auto 34px;
  line-height: 1.65;
}

/* Buttons */
.hero-a-cta-row {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  flex-wrap: wrap;
}
.hero-a-btn-primary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #818cf8, #6366f1);
  color: #fff;
  font-weight: 600;
  padding: 14px 30px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.95rem;
  box-shadow: 0 4px 24px rgba(99,102,241,0.3);
  transition: all 0.3s;
}
.hero-a-btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px rgba(99,102,241,0.45);
}
.hero-a-btn-secondary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: #6366f1;
  font-weight: 600;
  padding: 14px 28px;
  border-radius: 12px;
  text-decoration: none;
  font-size: 0.95rem;
  background: rgba(129,140,248,0.06);
  border: 1px solid rgba(99,102,241,0.18);
  transition: all 0.3s;
}
.hero-a-btn-secondary:hover {
  background: rgba(129,140,248,0.12);
  border-color: rgba(99,102,241,0.3);
}

/* Tech tags */
.hero-a-tags {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 40px;
  flex-wrap: wrap;
}
.hero-a-tag {
  background: rgba(129,140,248,0.06);
  border: 1px solid rgba(129,140,248,0.13);
  padding: 8px 16px;
  border-radius: 9px;
  font-size: 12px;
  color: #6b7280;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 6px;
  transition: all 0.3s;
}
.hero-a-tag:hover {
  background: rgba(129,140,248,0.12);
  border-color: rgba(129,140,248,0.25);
  color: #6366f1;
}
.hero-a-tag span {
  font-size: 14px;
}

/* ── Dark mode ── */
.dark .hero-a-badge {
  background: rgba(129,140,248,0.12);
  border-color: rgba(129,140,248,0.2);
  color: #a5b4fc;
}
.dark .hero-a-title {
  background: linear-gradient(135deg, #e0e7ff 0%, #a5b4fc 40%, #818cf8 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.dark .hero-a-subtitle {
  color: #9ca3af;
}
.dark .hero-a-btn-secondary {
  color: #a5b4fc;
  background: rgba(129,140,248,0.08);
  border-color: rgba(129,140,248,0.2);
}
.dark .hero-a-btn-secondary:hover {
  background: rgba(129,140,248,0.15);
}
.dark .hero-a-mesh-1 { background: radial-gradient(circle, rgba(129,140,248,0.1) 0%, transparent 70%); }
.dark .hero-a-mesh-2 { background: radial-gradient(circle, rgba(124,58,237,0.07) 0%, transparent 70%); }
.dark .hero-a-mesh-3 { background: radial-gradient(circle, rgba(99,102,241,0.06) 0%, transparent 70%); }
.dark .hero-a-tag {
  background: rgba(255,255,255,0.04);
  border-color: rgba(255,255,255,0.07);
  color: #9ca3af;
}
.dark .hero-a-tag:hover {
  background: rgba(129,140,248,0.1);
  border-color: rgba(129,140,248,0.2);
  color: #c7d2fe;
}

/* ── Responsive ── */
@media (max-width: 768px) {
  .hero-a {
    padding: 40px 16px 36px;
  }
  .hero-a-title {
    font-size: 2.6rem;
  }
  .hero-a-subtitle {
    font-size: 0.95rem;
  }
  .hero-a-tags {
    gap: 8px;
  }
  .hero-a-tag {
    padding: 6px 12px;
    font-size: 11px;
  }
}

/* Legacy hero CTA (keep for backward compat) */
.hero-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(129, 140, 248, 0.55);
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Glass Morphism Card
   ───────────────────────────────────────────────────────────────────────── */

.glass {
  background: transparent;
  border: none;
}

html.dark .glass {
  background: transparent;
  border: none;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Card Lift (Hover Effect)
   ───────────────────────────────────────────────────────────────────────── */

.card-lift .thumb {
  overflow: hidden;
  border-radius: 0.75rem;
}

.card-lift .thumb img,
.card-lift .thumb span {
  transition: transform 400ms cubic-bezier(0.4, 0, 0.2, 1);
}

.card-lift:hover .thumb img,
.card-lift:hover .thumb span {
  transform: scale(1.05);
}

/* Featured overlay cards */
.card-lift:hover .featured-card-title {
  color: var(--color-brand-purple-light);
}

/* Code block copy button */
.copy-code-btn {
  opacity: 0;
}
.code-block-wrap:hover .copy-code-btn {
  opacity: 1;
}

/* Social buttons in author card */
.social-btn {
  width: 2rem;
  height: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 50%;
  background: rgba(0,0,0,.06);
  color: #6b7280;
  transition: all .2s ease;
}
.dark .social-btn {
  background: rgba(255,255,255,.08);
  color: #9ca3af;
}
.social-twitter:hover {
  background: #000;
  color: #fff;
}
.dark .social-twitter:hover {
  background: #fff;
  color: #000;
}
.social-telegram:hover {
  background: #229ed9;
  color: #fff;
}
.dark .social-telegram:hover {
  background: #229ed9;
  color: #fff;
}
.social-discord:hover {
  background: #5865f2;
  color: #fff;
}
.dark .social-discord:hover {
  background: #5865f2;
  color: #fff;
}

/* Back to top */
#back-to-top:hover {
  transform: translateY(-3px) !important;
  box-shadow: 0 12px 32px rgba(124,58,237,.45), 0 4px 12px rgba(0,0,0,.2) !important;
}

/* Level filter pills */
.level-pill.active {
  background-color: var(--color-brand-purple) !important;
  color: #fff !important;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Badge Pulse Animation
   ───────────────────────────────────────────────────────────────────────── */

@keyframes badge-pulse {
  0%, 100% {
    opacity: 1;
  }
  50% {
    opacity: 0.8;
  }
}

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

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Navigation Dropdown
   ───────────────────────────────────────────────────────────────────────── */

.nav-dropdown {
  position: relative;
}

.nav-dropdown-toggle {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  font: inherit;
  font-weight: 500;
}

.nav-dropdown-menu {
  position: absolute;
  top: 100%;
  left: 50%;
  transform: translateX(-50%);
  padding-top: 0.5rem;
  opacity: 0;
  visibility: hidden;
  transform: translateX(-50%) translateY(4px);
  transition: opacity 0.15s ease, transform 0.15s ease, visibility 0.15s;
  z-index: 60;
}

.nav-dropdown:hover .nav-dropdown-menu,
.nav-dropdown-toggle:focus + .nav-dropdown-menu {
  display: block;
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(0);
}

.nav-dropdown-menu > div {
  min-width: 180px;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Table of Contents
   ───────────────────────────────────────────────────────────────────────── */

.toc-link {
  display: block;
  font-size: var(--font-size-xs);
  color: var(--color-gray-400);
  padding-top: var(--space-1);
  padding-bottom: var(--space-1);
  border-left-width: 2px;
  margin-left: -2px;
  border-color: transparent;
  transition: color 150ms cubic-bezier(0.4, 0, 0.2, 1),
              border-color 150ms cubic-bezier(0.4, 0, 0.2, 1);
}

.toc-link:hover {
  color: var(--color-brand-purple);
  border-color: var(--color-brand-purple);
}

html.dark .toc-link {
  color: var(--color-gray-500);
}

html.dark .toc-link:hover {
  color: var(--color-brand-purple);
}

.toc-link.active {
  color: var(--color-brand-purple);
  border-color: var(--color-brand-purple);
  font-weight: 600;
}
html.dark .toc-link.active {
  color: var(--color-brand-purple);
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Article Layout (Image + Content + Sticky Sidebar)
   ───────────────────────────────────────────────────────────────────────── */

@media (min-width: 1024px) {
  .article-layout {
    display: grid;
    grid-template-columns: 1fr 260px;
    gap: 2.5rem;
    /* No align-items: start — aside must stretch full row height for sticky to work */
  }
}

/* Sidebar TOC: CSS sticky */
#toc-inner {
  position: sticky;
  top: 6rem; /* header height */
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Progress Bar
   ───────────────────────────────────────────────────────────────────────── */

#progress-bar {
  position: fixed;
  top: 0;
  left: 0;
  height: 3px;
  background: linear-gradient(to right, var(--color-brand-purple), var(--color-indigo-600));
  z-index: 999;
  transition: width 300ms ease-out;
  width: 0%;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Mobile Menu (Fullscreen Overlay)
   ───────────────────────────────────────────────────────────────────────── */

/* Fullscreen overlay container */
.mobile-menu {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: white;
  display: flex;
  flex-direction: column;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity 0.25s ease, transform 0.25s ease;
}
html.dark .mobile-menu {
  background: var(--color-d-900, #111);
}
.mobile-menu.hidden {
  display: none;
}
.mobile-menu.open {
  opacity: 1;
  transform: translateY(0);
}

/* Header row: logo + close button */
.mobile-menu-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1rem 1.25rem;
  border-bottom: 1px solid var(--color-gray-100, #f3f4f6);
}
html.dark .mobile-menu-header {
  border-bottom-color: var(--color-d-700, #333);
}

/* Scrollable nav area */
.mobile-menu-nav {
  flex: 1;
  overflow-y: auto;
  padding: 1rem 1.25rem;
}

/* Nav items (links and parent buttons) */
.mobile-nav-item {
  display: flex;
  align-items: center;
  width: 100%;
  padding: 0.75rem 0.5rem;
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-gray-700, #374151);
  border-radius: 0.5rem;
  text-decoration: none;
  transition: background 0.15s ease;
}
html.dark .mobile-nav-item {
  color: var(--color-gray-200, #e5e7eb);
}
.mobile-nav-item:hover {
  background: var(--color-gray-50, #f9fafb);
}
html.dark .mobile-nav-item:hover {
  background: var(--color-d-700, #333);
}

/* Parent button with chevron */
.mobile-nav-parent {
  justify-content: space-between;
  cursor: pointer;
}

/* Chevron rotation */
.mobile-nav-chevron {
  width: 1.25rem;
  height: 1.25rem;
  transition: transform 0.25s ease;
  flex-shrink: 0;
}
.mobile-nav-group.open .mobile-nav-chevron {
  transform: rotate(180deg);
}

/* Accordion children */
.mobile-nav-children {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.25s ease;
}
.mobile-nav-group.open .mobile-nav-children {
  max-height: 500px;
}

/* Child links */
.mobile-nav-child {
  display: block;
  padding: 0.6rem 0.5rem 0.6rem 1.75rem;
  font-size: 0.9rem;
  color: var(--color-gray-500, #6b7280);
  text-decoration: none;
  border-radius: 0.375rem;
  transition: color 0.15s ease, background 0.15s ease;
}
html.dark .mobile-nav-child {
  color: var(--color-gray-400, #9ca3af);
}
.mobile-nav-child:hover {
  color: var(--color-brand-purple, #7c3aed);
  background: var(--color-gray-50, #f9fafb);
}
html.dark .mobile-nav-child:hover {
  background: var(--color-d-700, #333);
}

/* Footer area */
.mobile-menu-footer {
  padding: 1rem 1.25rem;
  border-top: 1px solid var(--color-gray-100, #f3f4f6);
}
html.dark .mobile-menu-footer {
  border-top-color: var(--color-d-700, #333);
}

/* CTA button in footer */
.mobile-menu-cta {
  display: block;
  width: 100%;
  text-align: center;
  padding: 0.75rem 1rem;
  background: var(--color-brand-purple, #7c3aed);
  color: white;
  font-weight: 600;
  font-size: 0.9rem;
  border-radius: 0.5rem;
  text-decoration: none;
  transition: background 0.15s ease;
}
.mobile-menu-cta:hover {
  background: var(--color-brand-purple-dark, #6d28d9);
}

/* Hamburger hidden on md+ (via md:hidden utility) */
@media (min-width: 768px) {
  .mobile-menu-btn {
    display: none !important;
  }
}

/* w-72 utility */
.w-72 {
  width: 18rem;
}

/* ─────────────────────────────────────────────────────────────────────────
   Custom Styles - Search/Article Content
   ───────────────────────────────────────────────────────────────────────── */

.prose-content {
  overflow-wrap: break-word;
  word-break: break-word;
}
.prose-content p {
  color: var(--color-gray-600);
  margin-bottom: var(--space-4);
  line-height: var(--line-height-relaxed);
  font-size: 18px;
}
.prose-content pre {
  overflow-x: auto;
}
.prose-content table {
  overflow-x: auto;
  display: block;
  max-width: 100%;
}

html.dark .prose-content p {
  color: var(--color-gray-300);
}

/* ─────────────────────────────────────────────────────────────────────────
   Form Elements
   ───────────────────────────────────────────────────────────────────────── */

input[type="text"],
input[type="email"],
input[type="search"],
textarea {
  border-radius: 0.5rem;
  border-width: 1px;
  border-color: var(--color-gray-200);
  background-color: var(--color-white);
  color: var(--color-gray-900);
  font-size: var(--font-size-base);
  padding: var(--space-3) var(--space-5);
}

html.dark input[type="text"],
html.dark input[type="email"],
html.dark input[type="search"],
html.dark textarea {
  border-color: var(--color-d-500);
  background-color: var(--color-d-700);
  color: var(--color-white);
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="search"]:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-brand-purple);
  box-shadow: 0 0 0 3px rgba(129, 140, 248, 0.1);
}

/* ─────────────────────────────────────────────────────────────────────────
   List Styles
   ───────────────────────────────────────────────────────────────────────── */

.list-decimal {
  list-style-type: decimal;
}

.list-disc {
  list-style-type: disc;
}

/* ─────────────────────────────────────────────────────────────────────────
   Scrollbar Styling (Custom)
   ───────────────────────────────────────────────────────────────────────── */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: transparent;
}

::-webkit-scrollbar-thumb {
  background: var(--color-gray-300);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-gray-400);
}

html.dark ::-webkit-scrollbar-thumb {
  background: var(--color-d-600);
}

html.dark ::-webkit-scrollbar-thumb:hover {
  background: var(--color-d-500);
}

/* ═══════════════════════════════════════════════
   Missing Tailwind utilities (opacity, gradients, special)
   ═══════════════════════════════════════════════ */

/* ─── Backgrounds with opacity ─── */
.bg-white\/85 { background: rgba(255,255,255,.85) }
.bg-black\/50 { background: rgba(0,0,0,.5) }
.bg-black\/70 { background: rgba(0,0,0,.7) }
html.dark .dark\:bg-d-900\/85 { background: rgba(15,15,20,.85) }
html.dark .dark\:bg-black\/70 { background: rgba(0,0,0,.7) }
html.dark .dark\:bg-brand-purple\/10 { background: rgba(129,140,248,.1) }
html.dark .dark\:bg-d-800\/60 { background: rgba(22,22,29,.6) }

/* ─── Borders with opacity ─── */
html.dark .dark\:border-brand-purple\/20 { border-color: rgba(129,140,248,.2) }
html.dark .dark\:border-d-600\/50 { border-color: rgba(39,39,50,.5) }
html.dark .dark\:border-amber-500\/20 { border-color: rgba(245,158,11,.2) }

/* ─── Gradients ─── */
.bg-gradient-to-r { background-image: linear-gradient(to right, var(--tw-gradient-from), var(--tw-gradient-via, transparent), var(--tw-gradient-to)) }
.bg-gradient-to-br { background-image: linear-gradient(to bottom right, var(--tw-gradient-from), var(--tw-gradient-via, transparent), var(--tw-gradient-to)) }
.from-brand-purple { --tw-gradient-from: #818cf8; --tw-gradient-to: transparent }
.from-indigo-50 { --tw-gradient-from: #eef2ff; --tw-gradient-to: transparent }
.from-indigo-500 { --tw-gradient-from: #6366f1; --tw-gradient-to: transparent }
.via-purple-50 { --tw-gradient-via: #faf5ff }
.to-blue-50 { --tw-gradient-to: #eff6ff }
.to-indigo-600 { --tw-gradient-to: #4f46e5 }
html.dark .dark\:from-d-800 { --tw-gradient-from: #16161d; --tw-gradient-to: transparent }
html.dark .dark\:via-d-800 { --tw-gradient-via: #16161d }
html.dark .dark\:to-d-800 { --tw-gradient-to: #16161d }

/* ─── Accent colors ─── */
.bg-indigo-100 { background-color: #e0e7ff }
.bg-green-100 { background-color: #dcfce7 }
.bg-amber-50 { background-color: #fffbeb }
.bg-yellow-400 { background-color: #facc15 }
.bg-yellow-300 { background-color: #fde047 }
.border-indigo-100 { border-color: #e0e7ff }
.text-green-500 { color: #22c55e }
.text-green-600 { color: #16a34a }
.text-amber-500 { color: #f59e0b }
.text-red-500 { color: #ef4444 }
.text-amber-700 { color: #b45309 }
.text-amber-600 { color: #d97706 }
html.dark .dark\:bg-indigo-500\/20 { background: rgba(99,102,241,.2) }
html.dark .dark\:bg-green-500\/10 { background: rgba(34,197,94,.1) }
html.dark .dark\:bg-amber-500\/5 { background: rgba(245,158,11,.05) }
html.dark .dark\:text-green-400 { color: #4ade80 }
html.dark .dark\:text-amber-400 { color: #fbbf24 }
html.dark .dark\:text-amber-300 { color: #fcd34d }

/* ─── Green / Emerald colors (for progression system) ─── */
.bg-green-500 { background-color: #22c55e }
.bg-green-600 { background-color: #16a34a }
.hover\:bg-green-600:hover { background-color: #16a34a }
.bg-gray-400 { background-color: #9ca3af }
.hover\:bg-gray-500:hover { background-color: #6b7280 }
.from-green-50 { --tw-gradient-from: #f0fdf4; --tw-gradient-to: transparent }
.to-emerald-50 { --tw-gradient-to: #ecfdf5 }
.from-green-500 { --tw-gradient-from: #22c55e; --tw-gradient-to: transparent }
.to-emerald-400 { --tw-gradient-to: #34d399 }
.border-green-200 { border-color: #bbf7d0 }
.bg-gradient-to-t { background-image: linear-gradient(to top, var(--tw-gradient-from), var(--tw-gradient-to)) }
html.dark .dark\:from-green-500\/5 { --tw-gradient-from: rgba(34,197,94,.05); --tw-gradient-to: transparent }
html.dark .dark\:to-emerald-500\/5 { --tw-gradient-to: rgba(16,185,129,.05) }
html.dark .dark\:border-green-500\/20 { border-color: rgba(34,197,94,.2) }

/* ─── Red colors (for gallery likes) ─── */
.hover\:text-red-500:hover { color: #ef4444 }

/* (Duplicate hover, responsive, focus, placeholder, dark visibility removed — already defined above) */

/* ─── Border style with opacity (inline style helpers) ─── */
.border-transparent { border-color: transparent }
.border-amber-200 { border-color: #fde68a }

/* ─── Text decoration / misc ─── */
.font-mono { font-family: ui-monospace, SFMono-Regular, 'Courier New', monospace }
.cursor-pointer { cursor: pointer }
.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 }
.outline-none { outline: none }
.text-center { text-align: center }

/* ─── Additional missing utilities ─── */
.gap-1\.5 { gap: 0.375rem }
.py-2\.5 { padding-top: 0.625rem; padding-bottom: 0.625rem }
.px-3\.5 { padding-left: 0.875rem; padding-right: 0.875rem }
.py-1\.5 { padding-top: 0.375rem; padding-bottom: 0.375rem }
.gap-2\.5 { gap: 0.625rem }
.px-2\.5 { padding-left: 0.625rem; padding-right: 0.625rem }
.mb-0\.5 { margin-bottom: 0.125rem }
.mb-1\.5 { margin-bottom: 0.375rem }
.mt-0\.5 { margin-top: 0.125rem }
.space-y-0\.5 > :not(:first-child) { margin-top: 0.125rem }

/* ─── Arbitrary values ─── */
.text-\[10px\] { font-size: 10px }
.text-\[11px\] { font-size: 11px }
.text-\[13px\] { font-size: 13px }
.mt-\[15vh\] { margin-top: 15vh }
.z-\[100\] { z-index: 100 }
.-ml-\[2px\] { margin-left: -2px }
.-right-2 { right: -0.5rem }

/* ─── Aspect ratios ─── */
.aspect-\[16\/9\] { aspect-ratio: 16/9 }
.aspect-\[4\/3\] { aspect-ratio: 4/3 }

/* ─── Max heights ─── */
.max-h-\[50vh\] { max-height: 50vh }

/* ─── Missing padding Y utilities ─── */
.py-0\.5 { padding-top: 0.125rem; padding-bottom: 0.125rem }
.py-8 { padding-top: 2rem; padding-bottom: 2rem }
.py-12 { padding-top: 4rem; padding-bottom: 1rem }
.py-14 { padding-top: 3.5rem; padding-bottom: 3.5rem }

/* ─── Missing text utilities ─── */
.bg-transparent { background-color: transparent }
.italic { font-style: italic }
.text-\[12px\] { font-size: 12px }

/* ─── Missing dark mode utilities ─── */
html.dark .dark\:text-white { color: #ffffff }
html.dark .dark\:text-gray-100 { color: var(--color-gray-100) }
html.dark .dark\:bg-d-500 { background-color: var(--color-d-500) }
html.dark .dark\:bg-brand-purple\/10 { background-color: rgba(129, 140, 248, 0.1) }
html.dark .dark\:bg-black\/70 { background-color: rgba(0, 0, 0, 0.7) }
html.dark .dark\:border-d-600\/50 { border-color: rgba(39, 39, 50, 0.5) }

/* ─── Focus ring for newsletter input ─── */
input:focus {
  outline: 2px solid var(--color-brand-purple);
  outline-offset: -1px;
}

/* ─── Newsletter input border ─── */
form input[type="email"] {
  border: 1px solid var(--color-gray-200);
}
html.dark form input[type="email"] {
  border-color: var(--color-d-500);
}

/* ─── Particle background (canvas created by JS) ─── */
#particles-bg { transition: opacity 0.5s; }

/* ═══════════════════════════════════════════════════════════════════════════
   Before/After Image Comparator
   ═══════════════════════════════════════════════════════════════════════════ */
.image-compare { max-width: 100%; }
.ic-wrapper {
  position: relative;
  overflow: hidden;
  border-radius: 1rem;
  cursor: col-resize;
  user-select: none;
  -webkit-user-select: none;
  aspect-ratio: 16/9;
}
.ic-img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  pointer-events: none;
}
.ic-after { position: absolute; top: 0; left: 0; width: 100%; height: 100%; }
.ic-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 50%;
  height: 100%;
  overflow: hidden;
  z-index: 2;
}
.ic-overlay .ic-before {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-width: 0;
  object-fit: cover;
}
.ic-overlay .ic-before {
  width: var(--ic-full-width, 100vw);
  max-width: none;
}
.ic-slider {
  position: absolute;
  top: 0;
  left: 50%;
  width: 3px;
  height: 100%;
  background: white;
  z-index: 3;
  transform: translateX(-50%);
  box-shadow: 0 0 8px rgba(0,0,0,0.3);
}
.ic-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 40px;
  height: 40px;
  background: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 2px 8px rgba(0,0,0,0.2);
  color: #6366f1;
}
.ic-label {
  position: absolute;
  bottom: 12px;
  z-index: 4;
  background: rgba(0,0,0,0.6);
  color: white;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 4px 10px;
  border-radius: 6px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.ic-label-left { left: 12px; }
.ic-label-right { right: 12px; }

/* ═══════════════════════════════════════════════════════════════════════════
   Prompt Lab Block
   ═══════════════════════════════════════════════════════════════════════════ */
.prompt-lab {
  border: 1px solid var(--color-gray-200);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-gray-50);
}
html.dark .prompt-lab {
  border-color: var(--color-d-600);
  background: var(--color-d-800);
}
.pl-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(129,140,248,0.1), rgba(139,92,246,0.1));
  border-bottom: 1px solid var(--color-gray-200);
}
html.dark .pl-header { border-color: var(--color-d-600); }
.pl-icon { font-size: 1rem; }
.pl-title { font-weight: 700; font-size: 0.875rem; }
.pl-model {
  margin-left: auto;
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  background: rgba(129,140,248,0.15);
  color: #6366f1;
  padding: 2px 8px;
  border-radius: 4px;
}
.pl-section { padding: 1rem 1.25rem; border-bottom: 1px solid var(--color-gray-100); }
html.dark .pl-section { border-color: var(--color-d-600); }
.pl-section:last-child { border-bottom: none; }
.pl-section-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 0.5rem; }
.pl-label {
  font-size: 0.65rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-gray-400);
}
.pl-copy {
  font-size: 0.7rem;
  font-weight: 600;
  color: #6366f1;
  background: rgba(129,140,248,0.1);
  border: none;
  padding: 3px 10px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}
.pl-copy:hover { background: rgba(129,140,248,0.2); }
.pl-code {
  font-family: 'JetBrains Mono', 'Fira Code', monospace;
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--color-gray-700);
  word-break: break-word;
  white-space: pre-wrap;
}
html.dark .pl-code { color: var(--color-gray-300); }
.pl-negative .pl-code { color: #ef4444; }
.pl-lora { color: #f59e0b; font-weight: 600; }
.pl-lora-name { color: #10b981; }
.pl-weight { color: #3b82f6; font-weight: 700; }
.pl-emphasis { color: #8b5cf6; }
.pl-emph-text { color: var(--color-gray-600); }
html.dark .pl-emph-text { color: var(--color-gray-300); }
.pl-break {
  display: inline-block;
  background: rgba(239,68,68,0.1);
  color: #ef4444;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 0.7rem;
}
.pl-settings {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  padding: 0.75rem 1.25rem;
}
.pl-setting {
  display: flex;
  flex-direction: column;
  gap: 2px;
  background: rgba(129,140,248,0.05);
  border: 1px solid var(--color-gray-200);
  border-radius: 0.5rem;
  padding: 0.5rem 0.75rem;
}
html.dark .pl-setting { border-color: var(--color-d-600); }
.pl-setting-key {
  font-size: 0.6rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-gray-400);
}
.pl-setting-val {
  font-size: 0.8rem;
  font-weight: 600;
  color: #6366f1;
}

/* ═══════════════════════════════════════════════════════════════════════════
   Workflow Playground
   ═══════════════════════════════════════════════════════════════════════════ */
.workflow-playground {
  border: 1px solid var(--color-gray-200);
  border-radius: 1rem;
  overflow: hidden;
  background: var(--color-gray-50);
}
html.dark .workflow-playground {
  border-color: var(--color-d-600);
  background: var(--color-d-800);
}
.wf-header {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.25rem;
  background: linear-gradient(135deg, rgba(59,130,246,0.1), rgba(129,140,248,0.1));
  border-bottom: 1px solid var(--color-gray-200);
}
html.dark .wf-header { border-color: var(--color-d-600); }
.wf-icon { font-size: 1rem; }
.wf-title { font-weight: 700; font-size: 0.875rem; flex: 1; }
.wf-download {
  font-size: 0.7rem;
  font-weight: 600;
  color: #3b82f6;
  background: rgba(59,130,246,0.1);
  border: none;
  padding: 4px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: background 0.2s;
}
.wf-download:hover { background: rgba(59,130,246,0.2); }
.wf-canvas {
  width: 100%;
  height: 400px;
  display: block;
  transition: transform 0.2s;
}
.wf-data { display: none; }
.wf-controls {
  display: flex;
  gap: 0.5rem;
  padding: 0.5rem 1.25rem;
  border-top: 1px solid var(--color-gray-200);
}
html.dark .wf-controls { border-color: var(--color-d-600); }
.wf-btn {
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 14px;
  border: 1px solid var(--color-gray-200);
  border-radius: 6px;
  background: white;
  cursor: pointer;
  transition: all 0.2s;
}
html.dark .wf-btn { background: var(--color-d-700); border-color: var(--color-d-500); color: var(--color-gray-300); }
.wf-btn:hover { border-color: #818cf8; color: #818cf8; }

/* ═══════════════════════════════════════════════════════════════════════════
   Comments System
   ═══════════════════════════════════════════════════════════════════════════ */
.comment-card {
  transition: all 0.2s;
}
.comment-card:hover {
  border-color: var(--color-brand-purple);
}

/* ═══════════════════════════════════════════════════════════════════════════
   Gallery
   ═══════════════════════════════════════════════════════════════════════════ */
.gallery-sort-btn {
  color: var(--color-gray-500);
  background: transparent;
}
.gallery-sort-btn.active {
  background: rgba(129,140,248,0.1);
  color: #6366f1;
  border-color: #6366f1;
}
html.dark .gallery-sort-btn { color: var(--color-gray-400); }
html.dark .gallery-sort-btn.active {
  background: rgba(129,140,248,0.15);
  color: #a5b4fc;
  border-color: #818cf8;
}
.gallery-card { cursor: default; }

/* ═══════════════════════════════════════════════════════════════════════════
   User Progression
   ═══════════════════════════════════════════════════════════════════════════ */
.progress-btn {
  border: none;
  cursor: pointer;
}

/* ═══════════════════════════════════════════════════════════════════════════
   User Menu & Member Dashboard
   ═══════════════════════════════════════════════════════════════════════════ */
.user-dropdown {
  animation: dropdownSlide 0.15s ease-out;
}
@keyframes dropdownSlide {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}
.user-menu-wrapper { position: relative; top: 2px; }

/* Favorite button */
.fav-article-btn { cursor: pointer; }
.fav-article-btn .fav-icon-full { color: var(--color-brand-purple); }

/* Member dashboard tabs */
.member-tab { cursor: pointer; background: none; }
.member-tab.active { font-weight: 600; }

/* Member card hover */
.member-tab-content .card-lift:hover {
  transform: translateY(-2px);
}

/* ─── Additional utility classes ─── */
.border-blue-200 { border-color: #bfdbfe }
html.dark .dark\:border-blue-500\/20 { border-color: rgba(59,130,246,0.2) }
.from-blue-50 { --tw-gradient-from: #eff6ff; --tw-gradient-to: transparent }
.to-cyan-50 { --tw-gradient-to: #ecfeff }
html.dark .dark\:from-blue-500\/5 { --tw-gradient-from: rgba(59,130,246,0.05); --tw-gradient-to: transparent }
html.dark .dark\:to-cyan-500\/5 { --tw-gradient-to: rgba(6,182,212,0.05) }
.from-purple-50 { --tw-gradient-from: #faf5ff; --tw-gradient-to: transparent }
.to-indigo-50 { --tw-gradient-to: #eef2ff }
html.dark .dark\:from-purple-500\/5 { --tw-gradient-from: rgba(168,85,247,0.05); --tw-gradient-to: transparent }
html.dark .dark\:to-indigo-500\/5 { --tw-gradient-to: rgba(99,102,241,0.05) }
.border-purple-200 { border-color: #e9d5ff }
html.dark .dark\:border-purple-500\/20 { border-color: rgba(168,85,247,0.2) }
.text-green-600 { color: #16a34a }
.text-blue-600 { color: #2563eb }
.text-red-400 { color: #f87171 }
.hover\:text-red-600:hover { color: #dc2626 }
.bg-green-100 { background-color: #dcfce7 }
html.dark .dark\:bg-green-500\/10 { background-color: rgba(34,197,94,0.1) }
.bg-red-50 { background-color: #fef2f2 }
html.dark .dark\:bg-red-500\/5 { background-color: rgba(239,68,68,0.05) }
.hover\:bg-red-50:hover { background-color: #fef2f2 }
html.dark .dark\:hover\:bg-red-500\/5:hover { background-color: rgba(239,68,68,0.05) }
html.dark .dark\:hover\:bg-red-500\/10:hover { background-color: rgba(239,68,68,0.1) }
.bg-brand-purple\/10 { background-color: rgba(129,140,248,0.1) }
.bg-green-500\/10 { background-color: rgba(34,197,94,0.1) }
.text-red-500 { color: #ef4444 }
.border-red-200 { border-color: #fecaca }
html.dark .dark\:border-red-500\/20 { border-color: rgba(239,68,68,0.2) }

.pointer-events-none { pointer-events: none; }
.pointer-events-auto { pointer-events: auto; }
.cursor-zoom-in { cursor: zoom-in; }

input[type="email"]:focus { outline: 2px solid var(--color-brand-purple); outline-offset: -1px; }

/* ─── Focus styles for new inputs ─── */
textarea:focus,
input[type="text"]:focus,
input[type="url"]:focus {
  outline: 2px solid var(--color-brand-purple);
  outline-offset: -1px;
}