/* ================================================================
   RCBuilds Design System — Self-contained CSS (no frameworks)
   M3-inspired, technically-oriented aesthetic
   ================================================================ */

/* ----------------------------------------------------------------
   1. CSS Custom Properties (Design Tokens) — Light Mode Default
   ---------------------------------------------------------------- */
:root {
  /* Surfaces */
  --color-background: #f8f9ff;
  --color-surface: #f8f9ff;
  --color-surface-dim: #d7daf0;
  --color-surface-bright: #f8f9ff;
  --color-surface-container-lowest: #ffffff;
  --color-surface-container-low: #eff4ff;
  --color-surface-container: #e5eeff;
  --color-surface-container-high: #dce5f7;
  --color-surface-container-highest: #d1dbee;
  --color-surface-variant: #dfe2eb;

  /* Primary (deep navy) */
  --color-primary: #041627;
  --color-on-primary: #ffffff;
  --color-primary-container: #d8e2ff;
  --color-on-primary-container: #001a42;
  --color-inverse-primary: #adc6ff;

  /* Secondary (orange) */
  --color-secondary: #fe5f00;
  --color-on-secondary: #ffffff;
  --color-secondary-container: #ffdbc9;
  --color-on-secondary-container: #331200;

  /* Tertiary */
  --color-tertiary: #6b5e00;
  --color-on-tertiary: #ffffff;
  --color-tertiary-container: #f9e245;

  /* Error */
  --color-error: #ba1a1a;
  --color-on-error: #ffffff;
  --color-error-container: #ffdad6;
  --color-on-error-container: #410002;

  /* Outline / borders */
  --color-outline: #74777d;
  --color-outline-variant: #c4c6cd;

  /* On-surface text */
  --color-on-surface: #0b1c30;
  --color-on-surface-variant: #44474c;
  --color-inverse-surface: #2f3036;
  --color-inverse-on-surface: #f1f0f7;
  --color-surface-tint: #005ac2;

  /* Fonts */
  --font-sans: 'Geist', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, 'Cascadia Code', monospace;

  /* Border Radius */
  --radius-sm: 0.125rem;
  --radius-default: 0.25rem;
  --radius-md: 0.375rem;
  --radius-lg: 0.5rem;
  --radius-xl: 0.75rem;
  --radius-full: 9999px;

  /* Spacing */
  --space-unit: 4px;
  --space-gutter: 24px;
  --space-margin-mobile: 16px;
  --space-margin-desktop: 48px;
  --container-max-width: 1440px;
  --container-wide: 1600px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.25s ease;
}

/* ----------------------------------------------------------------
   2. Dark Mode Token Overrides
   ---------------------------------------------------------------- */
html.dark {
  --color-background: #0b1326;
  --color-surface: #0b1326;
  --color-surface-dim: #0b1326;
  --color-surface-bright: #31394d;
  --color-surface-container-lowest: #060e20;
  --color-surface-container-low: #131b2e;
  --color-surface-container: #171f33;
  --color-surface-container-high: #222a3d;
  --color-surface-container-highest: #2d3449;
  --color-surface-variant: #2d3449;

  --color-primary: #adc6ff;
  --color-on-primary: #002e6a;
  --color-primary-container: #4d8eff;
  --color-on-primary-container: #00285d;
  --color-inverse-primary: #005ac2;

  --color-secondary: #4edea3;
  --color-on-secondary: #003824;
  --color-secondary-container: #00a572;
  --color-on-secondary-container: #00311f;

  --color-tertiary: #ffb786;
  --color-on-tertiary: #502400;
  --color-tertiary-container: #df7412;

  --color-error: #ffb4ab;
  --color-on-error: #690005;
  --color-error-container: #93000a;
  --color-on-error-container: #ffdad6;

  --color-outline: #8c909f;
  --color-outline-variant: #424754;

  --color-on-surface: #dae2fd;
  --color-on-surface-variant: #c2c6d6;
  --color-inverse-surface: #dae2fd;
  --color-inverse-on-surface: #283044;
  --color-surface-tint: #adc6ff;
}

/* ----------------------------------------------------------------
   3. CSS Reset & Base
   ---------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  color: var(--color-on-surface);
  background-color: var(--color-background);
}

h1, h2, h3, h4, h5, h6 { margin: 0 0 0.5em; font-weight: 600; }
p { margin: 0 0 1em; }
a { color: var(--color-primary); text-decoration: none; }
a:hover { color: var(--color-secondary); }
img { max-width: 100%; height: auto; display: block; }
ul, ol { margin: 0; padding: 0; list-style: none; }
button { font-family: inherit; cursor: pointer; }
input, select, textarea { font-family: inherit; }

::selection {
  background: var(--color-secondary-container);
  color: var(--color-on-secondary-container);
}

/* Scrollbar */
::-webkit-scrollbar { width: 8px; height: 8px; }
::-webkit-scrollbar-track { background: var(--color-surface); }
::-webkit-scrollbar-thumb {
  background: var(--color-outline-variant);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-outline); }

/* ----------------------------------------------------------------
   4. Blueprint Grid Overlay
   ---------------------------------------------------------------- */
.blueprint-grid {
  background-image:
    linear-gradient(to right, rgba(0,0,0,0.04) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(0,0,0,0.04) 1px, transparent 1px);
  background-size: 32px 32px;
}
html.dark .blueprint-grid {
  background-image:
    linear-gradient(to right, rgba(255,255,255,0.03) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255,255,255,0.03) 1px, transparent 1px);
}

/* ----------------------------------------------------------------
   5. Typography Classes
   ---------------------------------------------------------------- */
.text-headline-xl {
  font-family: var(--font-sans);
  font-size: 48px;
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.02em;
}
.text-headline-lg {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.text-headline-lg-mobile {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
}
.text-headline-md {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: -0.01em;
}
.text-body-lg {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 400;
  line-height: 1.6;
}
.text-body-md {
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 400;
  line-height: 1.5;
}
.text-body-sm {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  line-height: 1.5;
}
.text-label-md {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.text-label-sm {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  line-height: 1;
  letter-spacing: 0.03em;
  text-transform: uppercase;
}
.text-spec-label {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  letter-spacing: 0.02em;
  text-transform: uppercase;
}
.text-spec-value {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
}
.text-button {
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  line-height: 1;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

/* ----------------------------------------------------------------
   6. Layout Utilities
   ---------------------------------------------------------------- */

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

/* Flex direction */
.flex-col { flex-direction: column; }
.flex-row { flex-direction: row; }
.flex-wrap { flex-wrap: wrap; }
.flex-1 { flex: 1; }
.flex-grow { flex-grow: 1; }
.flex-shrink-0 { flex-shrink: 0; }

/* Align */
.items-start { align-items: flex-start; }
.items-center { align-items: center; }
.items-end { align-items: flex-end; }
.items-stretch { align-items: stretch; }
.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-center { align-self: center; }
.self-end { align-self: flex-end; }

/* Grid */
.grid-cols-1 { grid-template-columns: repeat(1, 1fr); }
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
.grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
.grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
.grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
.grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-12 { grid-column: span 12; }
.col-span-full { grid-column: 1 / -1; }

/* Gap */
.gap-1 { gap: 4px; }
.gap-2 { gap: 8px; }
.gap-3 { gap: 12px; }
.gap-4 { gap: 16px; }
.gap-5 { gap: 20px; }
.gap-6 { gap: 24px; }
.gap-8 { gap: 32px; }
.gap-10 { gap: 40px; }
.gap-12 { gap: 48px; }
.gap-16 { gap: 64px; }
.gap-gutter { gap: var(--space-gutter); }

/* Width & height */
.w-full { width: 100%; }
.w-auto { width: auto; }
.h-full { height: 100%; }
.h-screen { height: 100vh; }
.min-h-screen { min-height: 100vh; }
.max-w-screen { max-width: 100vw; }
.mx-auto { margin-left: auto; margin-right: auto; }
.overflow-hidden { overflow: hidden; }
.overflow-x-auto { overflow-x: auto; }
.overflow-y-auto { overflow-y: auto; }
.no-scrollbar { scrollbar-width: none; -ms-overflow-style: none; }
.no-scrollbar::-webkit-scrollbar { display: none; }

/* Position */
.relative { position: relative; }
.absolute { position: absolute; }
.fixed { position: fixed; }
.sticky { position: sticky; }
.inset-0 { top: 0; right: 0; bottom: 0; left: 0; }
.top-0 { top: 0; }
.right-0 { right: 0; }
.bottom-0 { bottom: 0; }
.left-0 { left: 0; }
.z-10 { z-index: 10; }
.z-50 { z-index: 50; }
.z-100 { z-index: 100; }

/* Sizing helpers */
.aspect-video { aspect-ratio: 16 / 9; }
.object-cover { object-fit: cover; }
.object-contain { object-fit: contain; }

/* Spacing (padding) */
.p-0 { padding: 0; }
.p-1 { padding: 4px; }
.p-2 { padding: 8px; }
.p-3 { padding: 12px; }
.p-4 { padding: 16px; }
.p-5 { padding: 20px; }
.p-6 { padding: 24px; }
.p-8 { padding: 32px; }
.p-10 { padding: 40px; }
.p-12 { padding: 48px; }
.px-2 { padding-left: 8px; padding-right: 8px; }
.px-3 { padding-left: 12px; padding-right: 12px; }
.px-4 { padding-left: 16px; padding-right: 16px; }
.px-5 { padding-left: 20px; padding-right: 20px; }
.px-6 { padding-left: 24px; padding-right: 24px; }
.px-8 { padding-left: 32px; padding-right: 32px; }
.py-1 { padding-top: 4px; padding-bottom: 4px; }
.py-2 { padding-top: 8px; padding-bottom: 8px; }
.py-3 { padding-top: 12px; padding-bottom: 12px; }
.py-4 { padding-top: 16px; padding-bottom: 16px; }
.py-6 { padding-top: 24px; padding-bottom: 24px; }
.py-8 { padding-top: 32px; padding-bottom: 32px; }
.py-10 { padding-top: 40px; padding-bottom: 40px; }
.py-12 { padding-top: 48px; padding-bottom: 48px; }
.pt-1 { padding-top: 4px; }
.pt-4 { padding-top: 16px; }
.pb-2 { padding-bottom: 8px; }
.pb-3 { padding-bottom: 12px; }
.pb-4 { padding-bottom: 16px; }
.pb-6 { padding-bottom: 24px; }
.pl-3 { padding-left: 12px; }
.pl-4 { padding-left: 16px; }
.pr-4 { padding-right: 16px; }

.px-margin-mobile { padding-left: var(--space-margin-mobile); padding-right: var(--space-margin-mobile); }
.px-margin-desktop { padding-left: var(--space-margin-desktop); padding-right: var(--space-margin-desktop); }

/* Spacing (margin) */
.m-0 { margin: 0; }
.m-auto { margin: auto; }
.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 4px; }
.mb-2 { margin-bottom: 8px; }
.mb-3 { margin-bottom: 12px; }
.mb-4 { margin-bottom: 16px; }
.mb-6 { margin-bottom: 24px; }
.mb-8 { margin-bottom: 32px; }
.mb-12 { margin-bottom: 48px; }
.mb-16 { margin-bottom: 64px; }
.mt-1 { margin-top: 4px; }
.mt-2 { margin-top: 8px; }
.mt-4 { margin-top: 16px; }
.mt-6 { margin-top: 24px; }
.mt-8 { margin-top: 32px; }
.mt-auto { margin-top: auto; }
.ml-2 { margin-left: 8px; }
.ml-auto { margin-left: auto; }
.mr-2 { margin-right: 8px; }
.mr-3 { margin-right: 12px; }
.-mt-1 { margin-top: -4px; }

/* Text align */
.text-left { text-align: left; }
.text-center { text-align: center; }
.text-right { text-align: right; }
.uppercase { text-transform: uppercase; }
.lowercase { text-transform: lowercase; }
.capitalize { text-transform: capitalize; }
.tracking-tight { letter-spacing: -0.02em; }
.tracking-tighter { letter-spacing: -0.05em; }
.tracking-wide { letter-spacing: 0.02em; }
.tracking-wider { letter-spacing: 0.05em; }
.tracking-widest { letter-spacing: 0.1em; }
.font-light { font-weight: 300; }
.font-normal { font-weight: 400; }
.font-medium { font-weight: 500; }
.font-semibold { font-weight: 600; }
.font-bold { font-weight: 700; }
.font-black { font-weight: 900; }
.truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.whitespace-nowrap { white-space: nowrap; }
.break-words { word-break: break-word; }
.leading-none { line-height: 1; }
.leading-tight { line-height: 1.2; }
.leading-relaxed { line-height: 1.6; }

/* Colors (text) */
.text-primary { color: var(--color-primary); }
.text-on-primary { color: var(--color-on-primary); }
.text-secondary { color: var(--color-secondary); }
.text-on-secondary { color: var(--color-on-secondary); }
.text-tertiary { color: var(--color-tertiary); }
.text-error { color: var(--color-error); }
.text-on-surface { color: var(--color-on-surface); }
.text-on-surface-variant { color: var(--color-on-surface-variant); }
.text-outline { color: var(--color-outline); }
.text-inverse { color: var(--color-inverse-surface); }
.text-surface-tint { color: var(--color-surface-tint); }

/* Colors (background) */
.bg-background { background-color: var(--color-background); }
.bg-surface { background-color: var(--color-surface); }
.bg-surface-container-lowest { background-color: var(--color-surface-container-lowest); }
.bg-surface-container-low { background-color: var(--color-surface-container-low); }
.bg-surface-container { background-color: var(--color-surface-container); }
.bg-surface-container-high { background-color: var(--color-surface-container-high); }
.bg-surface-container-highest { background-color: var(--color-surface-container-highest); }
.bg-surface-variant { background-color: var(--color-surface-variant); }
.bg-primary { background-color: var(--color-primary); }
.bg-primary-container { background-color: var(--color-primary-container); }
.bg-secondary { background-color: var(--color-secondary); }
.bg-secondary-container { background-color: var(--color-secondary-container); }
.bg-error { background-color: var(--color-error); }
.bg-error-container { background-color: var(--color-error-container); }
.bg-white { background-color: #ffffff; }
.bg-transparent { background-color: transparent; }

/* Borders */
.border { border: 1px solid var(--color-outline-variant); }
.border-0 { border: 0; }
.border-t { border-top: 1px solid var(--color-outline-variant); }
.border-b { border-bottom: 1px solid var(--color-outline-variant); }
.border-l { border-left: 1px solid var(--color-outline-variant); }
.border-r { border-right: 1px solid var(--color-outline-variant); }
.border-2 { border-width: 2px; }
.border-outline { border-color: var(--color-outline); }
.border-outline-variant { border-color: var(--color-outline-variant); }
.border-primary { border-color: var(--color-primary); }
.border-secondary { border-color: var(--color-secondary); }
.border-transparent { border-color: transparent; }
.border-dashed { border-style: dashed; }
.divide-x > * + * { border-left: 1px solid var(--color-outline-variant); }

/* Rounded */
.rounded-sm { border-radius: var(--radius-sm); }
.rounded { border-radius: var(--radius-default); }
.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: var(--radius-full); }
.rounded-none { border-radius: 0; }

/* Shadows */
.shadow-sm { box-shadow: var(--shadow-sm); }
.shadow-md { box-shadow: var(--shadow-md); }
.shadow-none { box-shadow: none; }

/* Opacity */
.opacity-0 { opacity: 0; }
.opacity-5 { opacity: 0.05; }
.opacity-50 { opacity: 0.5; }
.opacity-70 { opacity: 0.7; }
.opacity-80 { opacity: 0.8; }
.opacity-90 { opacity: 0.9; }
.opacity-100 { opacity: 1; }

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

/* Transitions */
.transition-all { transition: all var(--transition-normal); }
.transition-colors { transition: color var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast); }
.transition-opacity { transition: opacity var(--transition-fast); }
.transition-transform { transition: transform var(--transition-normal); }

/* ----------------------------------------------------------------
   7. Component: Navigation Bar
   ---------------------------------------------------------------- */
.site-nav {
  position: sticky;
  top: 0;
  z-index: 50;
  height: 64px;
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--space-margin-desktop);
  background: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant);
}

.site-nav .nav-brand {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 900;
  letter-spacing: -0.05em;
  text-transform: uppercase;
  color: var(--color-primary);
  text-decoration: none;
}
.site-nav .nav-brand:hover { color: var(--color-primary); }

.nav-left { display: flex; align-items: center; gap: 32px; }
.nav-right { display: flex; align-items: center; gap: 16px; }

.nav-links { display: flex; align-items: center; gap: 4px; }
.nav-links a,
.nav-links .nav-dropdown-trigger {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  padding: 8px 12px;
  border-radius: var(--radius-default);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
  background: none;
  border: none;
  cursor: pointer;
}
.nav-links a:hover,
.nav-links .nav-dropdown-trigger:hover {
  color: var(--color-primary);
  background: var(--color-surface-container);
}
.nav-links a.active {
  color: var(--color-primary);
  border-bottom: 2px solid var(--color-primary);
  border-radius: 0;
  padding-bottom: 6px;
}

/* Dropdown */
.nav-dropdown {
  position: relative;
}
.nav-dropdown-menu {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  min-width: 220px;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: 8px 0;
  z-index: 100;
  padding-top: 12px;
}
.nav-dropdown-menu::before {
  content: '';
  position: absolute;
  top: -8px;
  left: 0;
  right: 0;
  height: 12px;
}
.nav-dropdown:hover > .nav-dropdown-menu,
.nav-dropdown.open > .nav-dropdown-menu {
  display: block;
}
.nav-dropdown-menu a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 16px;
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--color-on-surface);
  text-decoration: none;
  transition: background var(--transition-fast);
}
.nav-dropdown-menu a:hover {
  background: var(--color-surface-container-low);
  color: var(--color-primary);
}
.nav-dropdown-menu .dropdown-divider {
  height: 1px;
  background: var(--color-outline-variant);
  margin: 4px 0;
}

/* Nav icon button */
.nav-icon-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.nav-icon-btn:hover {
  background: var(--color-surface-container-high);
}

/* Mobile hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  padding: 8px;
  cursor: pointer;
}
.nav-hamburger span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-on-surface);
  transition: transform var(--transition-fast);
}

.nav-mobile-menu {
  display: none;
  position: absolute;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--color-surface-container-lowest);
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 16px;
  z-index: 49;
  flex-direction: column;
  gap: 4px;
  box-shadow: var(--shadow-md);
}
.nav-mobile-menu.open { display: flex; }
.nav-mobile-menu a {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  padding: 12px 16px;
  border-radius: var(--radius-default);
  text-decoration: none;
  transition: background var(--transition-fast), color var(--transition-fast);
}
.nav-mobile-menu a:hover {
  background: var(--color-surface-container);
  color: var(--color-primary);
}

/* ----------------------------------------------------------------
   8. Component: Buttons
   ---------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-secondary);
  color: var(--color-on-secondary);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border: 1px solid var(--color-secondary);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: opacity var(--transition-fast), transform 0.1s;
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary:hover { opacity: 0.9; color: var(--color-on-secondary); }
.btn-primary:active { transform: scale(0.98); }

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--color-surface-container-lowest);
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: border-color var(--transition-fast), color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.btn-secondary:hover { border-color: var(--color-primary); color: var(--color-primary); }
.btn-secondary:active { transform: scale(0.98); }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-on-surface);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  padding: 12px 20px;
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-default);
  cursor: pointer;
  transition: background var(--transition-fast), border-color var(--transition-fast);
  text-decoration: none;
  white-space: nowrap;
}
.btn-ghost:hover { background: var(--color-surface-container); border-color: var(--color-outline); }
.btn-ghost:active { transform: scale(0.98); }

.btn-sm {
  padding: 8px 14px;
  font-size: 12px;
}
.btn-lg {
  padding: 16px 32px;
  font-size: 16px;
}
.btn-block { width: 100%; }
.btn-icon {
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: var(--radius-full);
  display: inline-flex;
  align-items: center;
  justify-content: center;
}

/* ----------------------------------------------------------------
   9. Component: Cards
   ---------------------------------------------------------------- */
.card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: border-color var(--transition-normal);
}
.card:hover { border-color: var(--color-outline); }

.card-image {
  border-bottom: 1px solid var(--color-outline-variant);
  overflow: hidden;
  position: relative;
}
.card-image img { width: 100%; height: 100%; object-fit: cover; }

.card-body { padding: 24px; display: flex; flex-direction: column; }
.card-body-sm { padding: 16px; display: flex; flex-direction: column; }

.card-spec-strip {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 8px;
  border-top: 1px solid var(--color-outline-variant);
  padding-top: 16px;
  margin-top: auto;
}
.card-spec-strip .spec-item { display: flex; flex-direction: column; gap: 2px; }
.card-spec-strip .spec-item .text-spec-label { color: var(--color-outline); font-size: 10px; }

.card-badge {
  position: absolute;
  top: 8px;
  right: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(255,255,255,0.95);
  padding: 4px 10px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-on-surface);
}
html.dark .card-badge {
  background: rgba(6,14,32,0.9);
}
.card-badge .dot {
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
}

.tech-card-hover { transition: border-color var(--transition-normal), transform var(--transition-normal); }
.tech-card-hover:hover { border-color: var(--color-primary); transform: translateY(-2px); }

/* ----------------------------------------------------------------
   10. Component: Inputs & Forms
   ---------------------------------------------------------------- */
.input,
.form-input {
  width: 100%;
  background: var(--color-surface-container-low);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
  outline: none;
}
.input:focus,
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-container);
}
.input::placeholder,
.form-input::placeholder { color: var(--color-outline); }

.select,
.form-select {
  width: 100%;
  background: var(--color-surface-container-low);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath d='M6 8L1 3h10z' fill='%2374777d'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.select:focus,
.form-select:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-container);
}

.textarea,
.form-textarea {
  width: 100%;
  background: var(--color-surface-container-low);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  padding: 12px 16px;
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.5;
  min-height: 120px;
  resize: vertical;
  outline: none;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}
.textarea:focus,
.form-textarea:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 2px var(--color-primary-container);
}

.checkbox {
  width: 16px;
  height: 16px;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline);
  border-radius: var(--radius-sm);
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.checkbox:checked {
  background: var(--color-secondary-container);
  border-color: var(--color-secondary-container);
}
.checkbox:checked::after {
  content: '✓';
  font-size: 11px;
  color: var(--color-on-secondary-container);
  font-weight: 700;
}

.input-group {
  position: relative;
  display: flex;
  align-items: center;
}
.input-group .input-icon {
  position: absolute;
  left: 16px;
  color: var(--color-on-surface-variant);
  pointer-events: none;
  display: flex;
}
.input-group .input-icon-right {
  position: absolute;
  right: 16px;
  color: var(--color-on-surface-variant);
  display: flex;
  cursor: pointer;
}
.input-group .input-icon-right:hover { color: var(--color-secondary); }
.input-group .input { padding-left: 48px; }
.password-toggle {
  background: none;
  border: none;
  padding: 4px 8px;
  cursor: pointer;
  color: var(--color-on-surface-variant);
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.password-toggle:hover { color: var(--color-primary); }

.form-label {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  margin-bottom: 8px;
}

.form-section {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 32px;
  margin-bottom: 24px;
}
.form-section .section-title {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-primary);
  border-bottom: 1px solid var(--color-outline-variant);
  padding-bottom: 12px;
  margin-bottom: 24px;
}

.form-group { margin-bottom: 20px; }
.form-text {
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin-top: 4px;
}
.form-error {
  font-size: 13px;
  color: var(--color-error);
  margin-top: 4px;
}

/* ----------------------------------------------------------------
   11. Component: Chips / Badges
   ---------------------------------------------------------------- */
.chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  padding: 4px 12px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  background: transparent;
  color: var(--color-on-surface-variant);
  white-space: nowrap;
  cursor: default;
  transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast);
}
.chip-active,
.chip.active {
  border-color: var(--color-secondary-container);
  color: var(--color-secondary);
  background: var(--color-secondary-container);
}
.chip-clickable { cursor: pointer; }
.chip-clickable:hover {
  border-color: var(--color-secondary);
  color: var(--color-secondary);
}
.chip-dismiss {
  cursor: pointer;
  opacity: 0.6;
  transition: opacity var(--transition-fast);
}
.chip-dismiss:hover { opacity: 1; }

.chip-status::before {
  content: '';
  width: 8px;
  height: 8px;
  border-radius: var(--radius-full);
  background: var(--color-primary);
  flex-shrink: 0;
}
.chip-status.success::before { background: var(--color-secondary); }
.chip-status.error::before { background: var(--color-error); }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  border-radius: var(--radius-sm);
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
  border: 1px solid var(--color-outline-variant);
}
.badge-primary { background: var(--color-primary-container); color: var(--color-on-primary-container); border-color: transparent; }
.badge-secondary { background: var(--color-secondary-container); color: var(--color-on-secondary-container); border-color: transparent; }
.badge-error { background: var(--color-error-container); color: var(--color-on-error-container); border-color: transparent; }

/* ----------------------------------------------------------------
   12. Component: Tab Bar
   ---------------------------------------------------------------- */
.tab-bar {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--color-outline-variant);
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab-item {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  padding-bottom: 16px;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 8px;
  transition: color var(--transition-fast), border-color var(--transition-fast);
  background: none;
  border-top: none;
  border-left: none;
  border-right: none;
}
.tab-item:hover { color: var(--color-primary); }
.tab-item.tab-active,
.tab-active {
  color: var(--color-primary);
  font-weight: 700;
  border-bottom-color: var(--color-primary);
}

/* ----------------------------------------------------------------
   13. Component: Data Tables
   ---------------------------------------------------------------- */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-sans);
  font-size: 14px;
}
.data-table thead {
  background: var(--color-surface-container);
}
.data-table th {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.03em;
  color: var(--color-on-surface-variant);
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-outline-variant);
}
.data-table td {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-outline-variant);
  color: var(--color-on-surface);
  vertical-align: middle;
}
.data-table tbody tr { transition: background var(--transition-fast); }
.data-table tbody tr:hover { background: var(--color-surface-container-low); }

/* ----------------------------------------------------------------
   14. Component: Modals
   ---------------------------------------------------------------- */
.modal-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,0.5);
  z-index: 1000;
  align-items: center;
  justify-content: center;
  padding: 16px;
}
.modal-overlay.active { display: flex; }

.modal-panel {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  max-width: 560px;
  width: 100%;
  padding: 32px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
}
.modal-panel-lg { max-width: 800px; }

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 24px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--color-outline-variant);
}
.modal-title {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 600;
  color: var(--color-on-surface);
}
.modal-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  border: none;
  background: transparent;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  transition: background var(--transition-fast);
}
.modal-close:hover { background: var(--color-surface-container); }

.modal-body { margin-bottom: 24px; }
.modal-footer { display: flex; justify-content: flex-end; gap: 12px; padding-top: 16px; border-top: 1px solid var(--color-outline-variant); }

/* ----------------------------------------------------------------
   15. Component: Pagination
   ---------------------------------------------------------------- */
.pagination {
  display: flex;
  gap: 4px;
  align-items: center;
  justify-content: center;
}
.pagination a,
.pagination span,
.page-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 36px;
  height: 36px;
  padding: 4px 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-on-surface);
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  text-decoration: none;
  transition: background var(--transition-fast), border-color var(--transition-fast);
}
.pagination a:hover,
.page-link:hover {
  background: var(--color-surface-container);
  border-color: var(--color-outline);
}
.pagination .active,
.pagination .active a,
.page-link.active {
  background: var(--color-primary);
  color: var(--color-on-primary);
  border-color: var(--color-primary);
}
.pagination .disabled,
.page-link.disabled {
  opacity: 0.4;
  pointer-events: none;
}

/* ----------------------------------------------------------------
   16. Component: Avatars
   ---------------------------------------------------------------- */
.avatar {
  border-radius: var(--radius-full);
  border: 1px solid var(--color-outline-variant);
  overflow: hidden;
  object-fit: cover;
  flex-shrink: 0;
}
.avatar-sm { width: 32px; height: 32px; }
.avatar-md { width: 48px; height: 48px; }
.avatar-lg { width: 96px; height: 96px; border-width: 2px; border-color: var(--color-primary); padding: 4px; }

/* Compat with existing user-avatar class */
.user-avatar {
  width: 32px;
  height: 32px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 1px solid var(--color-outline-variant);
}

/* ----------------------------------------------------------------
   17. Component: Alerts / Info Boxes
   ---------------------------------------------------------------- */
.alert {
  display: flex;
  gap: 16px;
  padding: 24px;
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  color: var(--color-on-surface);
  font-size: 14px;
  line-height: 1.5;
}
.alert-success { border-left: 4px solid var(--color-secondary); }
.alert-error { border-left: 4px solid var(--color-error); }
.alert-warning { border-left: 4px solid var(--color-tertiary); }
.alert-info { border-left: 4px solid var(--color-primary); }
.alert .alert-icon { color: var(--color-secondary); flex-shrink: 0; }
.alert .alert-content { flex: 1; }
.alert .alert-title { font-weight: 600; margin-bottom: 4px; }

/* ----------------------------------------------------------------
   18. Component: Upload / Drop Zone
   ---------------------------------------------------------------- */
.upload-zone {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  border: 2px dashed var(--color-outline-variant);
  border-radius: var(--radius-xl);
  background: var(--color-surface-container-low);
  cursor: pointer;
  transition: border-color var(--transition-fast), background var(--transition-fast);
  text-align: center;
  position: relative;
}
.upload-zone:hover,
.upload-zone.drag-over {
  border-color: var(--color-secondary);
  background: var(--color-surface-container);
}
.upload-zone .upload-icon {
  width: 64px;
  height: 64px;
  background: var(--color-surface-container-lowest);
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 24px;
  box-shadow: var(--shadow-sm);
  transition: transform var(--transition-normal);
}
.upload-zone:hover .upload-icon { transform: scale(1.1); }
.upload-zone .upload-icon .material-symbols-outlined {
  font-size: 32px;
  color: var(--color-outline);
  transition: color var(--transition-fast);
}
.upload-zone:hover .upload-icon .material-symbols-outlined { color: var(--color-secondary); }

/* ----------------------------------------------------------------
   19. Component: Stepper / Wizard
   ---------------------------------------------------------------- */
.stepper {
  display: flex;
  align-items: flex-start;
  position: relative;
  padding: 0;
}
.stepper .step {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex: 1;
  position: relative;
}
.stepper .step:not(:last-child)::after {
  content: '';
  position: absolute;
  top: 20px;
  left: 50%;
  width: 100%;
  height: 2px;
  background: var(--color-outline-variant);
  z-index: 0;
}
.stepper .step.step-complete:not(:last-child)::after {
  background: var(--color-secondary);
}
.step-circle {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 500;
  z-index: 1;
  position: relative;
  transition: all var(--transition-fast);
}
.step-complete .step-circle {
  background: var(--color-secondary);
  color: var(--color-on-secondary);
}
.step-current .step-circle {
  background: var(--color-surface-container-lowest);
  border: 2px solid var(--color-secondary);
  color: var(--color-secondary);
  box-shadow: var(--shadow-sm);
}
.step-pending .step-circle {
  background: var(--color-surface-container);
  border: 2px solid var(--color-outline-variant);
  color: var(--color-outline);
}
.step-label {
  margin-top: 12px;
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.step-complete .step-label { color: var(--color-secondary); font-weight: 700; }
.step-current .step-label { color: var(--color-secondary); font-weight: 700; }
.step-pending .step-label { color: var(--color-outline); }

/* ----------------------------------------------------------------
   20. Hero Section
   ---------------------------------------------------------------- */
.hero {
  position: relative;
  width: 100%;
  min-height: 500px;
  overflow: hidden;
  border: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container);
}
.hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 1s ease;
}
.hero:hover .hero-bg { transform: scale(1.05); }
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, rgba(0,0,0,0.55) 0%, rgba(0,0,0,0.2) 60%, transparent 100%);
}
.hero-content {
  position: relative;
  z-index: 10;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 32px 48px;
  max-width: 720px;
  height: 100%;
  min-height: 500px;
}
.hero-corner {
  position: absolute;
  width: 16px;
  height: 16px;
}
.hero-corner.tl { top: 16px; left: 16px; border-top: 1px solid rgba(255,255,255,0.3); border-left: 1px solid rgba(255,255,255,0.3); }
.hero-corner.tr { top: 16px; right: 16px; border-top: 1px solid rgba(255,255,255,0.3); border-right: 1px solid rgba(255,255,255,0.3); }
.hero-corner.bl { bottom: 16px; left: 16px; border-bottom: 1px solid rgba(255,255,255,0.3); border-left: 1px solid rgba(255,255,255,0.3); }
.hero-corner.br { bottom: 16px; right: 16px; border-bottom: 1px solid rgba(255,255,255,0.3); border-right: 1px solid rgba(255,255,255,0.3); }

.hero-search {
  position: absolute;
  right: 48px;
  top: 50%;
  transform: translateY(-50%);
  z-index: 10;
  width: 380px;
}
.hero-search .input {
  background: rgba(255,255,255,0.12);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid rgba(255,255,255,0.25);
  color: #fff;
}
.hero-search .input::placeholder { color: rgba(255,255,255,0.6); }
.hero-search .input:focus {
  background: rgba(255,255,255,0.2);
  border-color: rgba(255,255,255,0.5);
  color: #fff;
}
.hero-search .input-icon,
.hero-search .input-icon-right { color: rgba(255,255,255,0.7); }

@media (max-width: 899px) {
  .hero-search {
    position: relative;
    right: auto;
    top: auto;
    transform: none;
    width: 100%;
    padding: 0 24px 24px;
  }
}

/* ----------------------------------------------------------------
   21. Stats Bar
   ---------------------------------------------------------------- */
.stats-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  background: var(--color-surface);
  border: 1px solid var(--color-outline-variant);
  padding: 40px 24px;
  text-align: center;
}
.stats-bar > * + * { border-left: 1px solid var(--color-outline-variant); }
.stats-bar .stat-item { display: flex; flex-direction: column; align-items: center; gap: 8px; }

/* ----------------------------------------------------------------
   22. Gallery
   ---------------------------------------------------------------- */
.gallery-main {
  width: 100%;
  aspect-ratio: 16 / 9;
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  overflow: hidden;
  position: relative;
}
.gallery-main img { width: 100%; height: 100%; object-fit: cover; }

.gallery-thumbs {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 4px 0;
}
.gallery-thumbs::-webkit-scrollbar { display: none; }
.gallery-thumb {
  width: 144px;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  overflow: hidden;
  flex-shrink: 0;
  cursor: pointer;
  opacity: 0.7;
  transition: opacity var(--transition-fast), border-color var(--transition-fast);
}
.gallery-thumb:hover { opacity: 1; border-color: var(--color-outline); }
.gallery-thumb.active { opacity: 1; border: 2px solid var(--color-secondary); }
.gallery-thumb img { width: 100%; height: 100%; object-fit: cover; }

/* ----------------------------------------------------------------
   23. Sidebar Filters
   ---------------------------------------------------------------- */
.filter-sidebar {
  width: 320px;
  flex-shrink: 0;
  border-right: 1px solid var(--color-outline-variant);
  background: var(--color-surface-container-lowest);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}
.filter-section { padding: 24px; }
.filter-section + .filter-section { border-top: 1px solid var(--color-outline-variant); }
.filter-section h3 {
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  margin-bottom: 12px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--color-outline-variant);
}
.filter-option {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 8px 16px;
  cursor: pointer;
  font-size: 14px;
  color: var(--color-on-surface);
  transition: color var(--transition-fast);
}
.filter-option:hover { color: var(--color-secondary); }
.filter-option.active { color: var(--color-primary); font-weight: 600; }

.builds-sidebar {
  padding-right: 12px;
}

.vehicle-subcats {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out;
  padding: 0 4px 0 12px;
}
.vehicle-subcats.expanded {
  max-height: 1000px;
  padding-bottom: 4px;
}

/* ----------------------------------------------------------------
   24. Profile / Stats
   ---------------------------------------------------------------- */
.profile-card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 24px;
  transition: border-color var(--transition-normal);
}
.profile-card:hover { border-color: var(--color-primary); }

.stat-card {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  padding: 20px;
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  gap: 4px;
  transition: background var(--transition-fast);
}
.stat-card:hover { background: var(--color-surface-container); }

/* ----------------------------------------------------------------
   25. Auth Pages (Login/Register)
   ---------------------------------------------------------------- */
.auth-page {
  background: var(--color-surface);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px 16px;
}
.auth-page.register { align-items: flex-start; padding-top: 48px; }
.auth-card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 40px;
  width: 100%;
  max-width: 420px;
  box-shadow: var(--shadow-md);
}
@media (max-width: 480px) { .auth-card { padding: 28px 20px; } }
.auth-card .brand-logo {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  background: var(--color-primary);
  border-radius: var(--radius-lg);
}
.auth-card .brand-logo .material-symbols-outlined {
  font-size: 28px;
  color: var(--color-on-primary);
}
.auth-card h3 {
  font-size: 1.5rem;
  font-weight: 700;
  margin-bottom: 4px;
}
.auth-card .auth-input-wrap {
  position: relative;
  display: flex;
  align-items: center;
}
.auth-card .auth-input-wrap .auth-icon {
  position: absolute;
  left: 14px;
  color: var(--color-outline);
  font-size: 20px;
  pointer-events: none;
  z-index: 1;
}
.auth-card .auth-input-wrap .input {
  padding-left: 44px;
  padding-right: 14px;
  width: 100%;
}
.auth-card .auth-input-wrap .input.has-toggle { padding-right: 44px; }
.auth-card .auth-input-wrap .password-toggle {
  position: absolute;
  right: 8px;
  background: none;
  border: none;
  padding: 4px;
  cursor: pointer;
  color: var(--color-outline);
  display: flex;
  align-items: center;
  z-index: 1;
}
.auth-card .auth-input-wrap .password-toggle:hover { color: var(--color-primary); }

/* ----------------------------------------------------------------
   26. Admin Styles
   ---------------------------------------------------------------- */
.admin-link {
  background: var(--color-secondary);
  color: var(--color-on-secondary) !important;
  border-radius: var(--radius-default);
  font-weight: 600;
  padding: 4px 8px;
}
.admin-link:hover {
  opacity: 0.9;
  color: var(--color-on-secondary) !important;
}

.admin-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 32px;
}
.admin-stat-card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

/* ----------------------------------------------------------------
   27. Podium / Leaderboard
   ---------------------------------------------------------------- */
.podium-card {
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-xl);
  padding: 30px 20px;
  text-align: center;
  transition: transform var(--transition-normal), border-color var(--transition-normal);
}
.podium-card:hover { transform: translateY(-4px); border-color: var(--color-outline); }
.podium-card.gold { border-top: 4px solid #ffd700; }
.podium-card.silver { border-top: 4px solid #c0c0c0; }
.podium-card.bronze { border-top: 4px solid #cd7f32; }
.podium-rank {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-full);
  background: var(--color-surface-container);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 12px;
}
.podium-card.gold .podium-rank { background: #ffd700; color: #000; }
.podium-card.silver .podium-rank { background: #c0c0c0; color: #000; }
.podium-card.bronze .podium-rank { background: #cd7f32; color: #fff; }
.podium-avatar {
  width: 80px;
  height: 80px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--color-outline-variant);
}
.podium-card.gold .podium-avatar { border-color: #ffd700; }
.podium-card.silver .podium-avatar { border-color: #c0c0c0; }
.podium-card.bronze .podium-avatar { border-color: #cd7f32; }

.leaderboard-item {
  display: flex;
  align-items: center;
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-outline-variant);
  transition: background var(--transition-normal);
}
.leaderboard-item:last-child { border-bottom: none; }
.leaderboard-item:hover { background: var(--color-surface-container-lowest); }
.leaderboard-rank {
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--color-on-surface-variant);
  min-width: 32px;
}

.recent-build-item {
  padding: 12px 16px;
  border-bottom: 1px solid var(--color-outline-variant);
  transition: background var(--transition-normal);
}
.recent-build-item:last-child { border-bottom: none; }
.recent-build-item:hover { background: var(--color-surface-container-lowest); }
.build-thumbnail {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  object-fit: cover;
  flex-shrink: 0;
}
.build-thumbnail-placeholder {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-surface-container);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  color: var(--color-on-surface-variant);
}

.table {
  width: 100%;
  border-collapse: collapse;
}
.table th,
.table td {
  padding: 12px 16px;
  text-align: left;
  border-bottom: 1px solid var(--color-outline-variant);
  vertical-align: middle;
}
.table th {
  font-weight: 600;
  font-size: 0.8rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--color-on-surface-variant);
  background: var(--color-surface-container);
}
.table tbody tr:hover {
  background: var(--color-surface-container-lowest);
}
.table tbody tr:last-child td {
  border-bottom: none;
}

/* ----------------------------------------------------------------
   28. Activity / Feed
   ---------------------------------------------------------------- */
.activity-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-outline-variant);
}
.activity-item:last-child { border-bottom: none; }
.activity-icon {
  width: 36px;
  height: 36px;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--color-surface-container);
  color: var(--color-on-surface-variant);
}

/* ----------------------------------------------------------------
   29. Image / Preview Styles
   ---------------------------------------------------------------- */
.preview-image {
  max-width: 200px;
  max-height: 150px;
  object-fit: cover;
  border-radius: var(--radius-lg);
  margin-top: 10px;
}
.image-upload-container {
  border: 2px dashed var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 20px;
  background: var(--color-surface-container-low);
  text-align: center;
  transition: border-color var(--transition-normal), background var(--transition-normal);
  cursor: pointer;
}
.image-upload-container:hover {
  border-color: var(--color-secondary);
  background: var(--color-surface-container);
}
.image-upload-container.drag-over {
  border-color: var(--color-secondary);
  background: var(--color-secondary-container);
}

/* ----------------------------------------------------------------
   30. Attribution
   ---------------------------------------------------------------- */
.attribution-credits-box {
  background: var(--color-surface-container-low);
  border-radius: var(--radius-lg);
  padding: 24px;
  border-left: 4px solid var(--color-primary);
}
.attr-user-results,
.attr-build-results {
  position: absolute;
  z-index: 1000;
  max-height: 200px;
  overflow-y: auto;
  width: 100%;
  background: var(--color-surface-container-lowest);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
}
.attr-user-results a,
.attr-build-results a {
  display: block;
  padding: 8px 16px;
  font-size: 14px;
  transition: background var(--transition-fast);
}
.attr-user-results a:hover,
.attr-build-results a:hover { background: var(--color-surface-container-low); }
.attribution-row { position: relative; }

/* ----------------------------------------------------------------
   31. Misc / Compat (Bootstrap migration helpers)
   ---------------------------------------------------------------- */

/* Container */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-margin-mobile);
  padding-right: var(--space-margin-mobile);
}

/* Row / Col (simple grid replacements) */
.row { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--space-gutter); }
.col-1 { grid-column: span 1; }
.col-2 { grid-column: span 2; }
.col-3 { grid-column: span 3; }
.col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; }
.col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; }
.col-8 { grid-column: span 8; }
.col-9 { grid-column: span 9; }
.col-10 { grid-column: span 10; }
.col-12 { grid-column: span 12; }
.col-md-3 { grid-column: span 12; }
.col-md-4 { grid-column: span 12; }
.col-md-6 { grid-column: span 12; }
.col-md-8 { grid-column: span 12; }

/* Bootstrap-compat list */
.list-unstyled { list-style: none; padding: 0; margin: 0; }

/* Text utils */
.text-muted { color: var(--color-on-surface-variant); }
.text-light { color: var(--color-on-surface); }
.text-info { color: var(--color-surface-tint); }
.text-decoration-none { text-decoration: none; }
.text-danger { color: var(--color-error); }
.text-success { color: var(--color-secondary); }
.text-warning { color: var(--color-tertiary); }

/* Spacing compat */
.me-1 { margin-right: 4px; }
.me-2 { margin-right: 8px; }
.me-3 { margin-right: 12px; }
.ms-1 { margin-left: 4px; }
.ms-2 { margin-left: 8px; }
.mt-5 { margin-top: 48px; }
.py-5 { padding-top: 48px; padding-bottom: 48px; }

/* bg compat */
.bg-dark { background-color: var(--color-surface-container-lowest); }
.bg-light { background-color: var(--color-surface-container-low); }

/* ----------------------------------------------------------------
   32. Responsive Breakpoints
   ---------------------------------------------------------------- */
@media (min-width: 640px) {
  .sm-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .sm-flex { display: flex; }
}

@media (min-width: 768px) {
  .md-flex { display: flex; }
  .md-hidden { display: none; }
  .md-block { display: block; }
  .md-grid { display: grid; }
  .md-grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
  .md-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md-grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
  .md-grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
  .md-col-span-3 { grid-column: span 3; }
  .md-col-span-4 { grid-column: span 4; }
  .md-col-span-6 { grid-column: span 6; }
  .md-col-span-8 { grid-column: span 8; }
  .md-col-span-9 { grid-column: span 9; }
  .md-col-span-12 { grid-column: span 12; }
  .md-flex-row { flex-direction: row; }
  .md-px-desktop { padding-left: var(--space-margin-desktop); padding-right: var(--space-margin-desktop); }

  .col-md-3 { grid-column: span 3; }
  .col-md-4 { grid-column: span 4; }
  .col-md-6 { grid-column: span 6; }
  .col-md-8 { grid-column: span 8; }

  .site-nav { padding: 0 var(--space-margin-desktop); }

  .stats-bar { grid-template-columns: repeat(4, 1fr); }

  .hero-content { padding: 48px 64px; }
}

@media (min-width: 1024px) {
  .lg-flex { display: flex; }
  .lg-hidden { display: none; }
  .lg-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .lg-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .lg-grid-cols-12 { grid-template-columns: repeat(12, 1fr); }
  .lg-col-span-1 { grid-column: span 1; }
  .lg-col-span-2 { grid-column: span 2; }
  .lg-col-span-3 { grid-column: span 3; }
  .lg-col-span-4 { grid-column: span 4; }
  .lg-col-span-8 { grid-column: span 8; }
  .lg-col-span-9 { grid-column: span 9; }
}

@media (min-width: 1280px) {
  .xl-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
}

/* Mobile nav */
@media (max-width: 767px) {
  .nav-links { display: none; }
  .nav-hamburger { display: flex; }
  .site-nav { padding: 0 var(--space-margin-mobile); }
  .hero-content { padding: 24px 16px; min-height: 400px; }
  .text-headline-xl { font-size: 32px; }
  .text-headline-lg { font-size: 24px; }
  .stats-bar { grid-template-columns: repeat(2, 1fr); }
  .stats-bar > * + * { border-left: none; }
  .stats-bar > *:nth-child(odd) + * { border-left: 1px solid var(--color-outline-variant); }
  .filter-sidebar { width: 100%; border-right: none; border-bottom: 1px solid var(--color-outline-variant); }
  .form-section { padding: 16px; }
  .auth-card { padding: 32px 24px; }
}

/* ----------------------------------------------------------------
   33. Material Symbols sizing
   ---------------------------------------------------------------- */
.material-symbols-outlined {
  font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
  vertical-align: middle;
}
.icon-sm { font-size: 18px; }
.icon-lg { font-size: 32px; }
.icon-xl { font-size: 48px; }

/* ----------------------------------------------------------------
   34. Footer
   ---------------------------------------------------------------- */
.site-footer {
  background: var(--color-surface-container-lowest);
  border-top: 1px solid var(--color-outline-variant);
  padding: 48px var(--space-margin-desktop);
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-gutter);
}
.footer-brand {
  font-family: var(--font-sans);
  font-size: 24px;
  font-weight: 700;
  color: var(--color-on-surface);
  margin-bottom: 16px;
  display: block;
}
.footer-copyright {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  color: var(--color-on-surface-variant);
  line-height: 1.6;
}
.footer-links { display: flex; flex-direction: column; gap: 12px; }
.footer-links a {
  font-family: var(--font-mono);
  font-size: 13px;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  color: var(--color-on-surface-variant);
  text-decoration: none;
  transition: color var(--transition-fast);
}
.footer-links a:hover { color: var(--color-secondary); }

.footer-disclaimer {
  margin-top: 32px;
  padding-top: 16px;
  border-top: 1px solid var(--color-outline-variant);
  text-align: center;
  font-size: 13px;
  color: var(--color-on-surface-variant);
}
.footer-disclaimer a { color: var(--color-surface-tint); }

@media (max-width: 767px) {
  .site-footer { padding: 32px var(--space-margin-mobile); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid > :first-child { grid-column: 1 / -1; margin-bottom: 16px; }
}

/* ----------------------------------------------------------------
   35. Build Detail Page
   ---------------------------------------------------------------- */

/* Hero image section */
.hero-image-section { margin-bottom: 24px; }
.hero-image-container {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  max-height: 500px;
}
.hero-image {
  width: 100%;
  height: auto;
  max-height: 500px;
  object-fit: cover;
  display: block;
}
.hero-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  padding: 48px 32px 24px;
}
.hero-title {
  color: #fff;
  font-size: 32px;
  font-weight: 700;
  margin: 0 0 8px;
}
.hero-meta { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.85); font-size: 14px; }
.hero-divider { opacity: 0.6; }

/* Gallery */
.gallery-image-container {
  position: relative;
  border-radius: var(--radius-default);
  overflow: hidden;
  cursor: pointer;
  aspect-ratio: 4/3;
}
.gallery-image-container img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s ease;
}
.gallery-image-container:hover img { transform: scale(1.05); }
.gallery-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.4);
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease;
}
.gallery-overlay .material-symbols-outlined { color: #fff; font-size: 32px; }
.gallery-image-container:hover .gallery-overlay { opacity: 1; }
.main-image-badge {
  position: absolute;
  top: 8px;
  left: 8px;
  background: var(--color-primary);
  color: #fff;
  padding: 4px 8px;
  border-radius: var(--radius-default);
  font-size: 12px;
  font-weight: 600;
  display: flex;
  align-items: center;
  gap: 4px;
}

/* Image modal */
.image-modal {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 9999;
  background: rgba(0,0,0,0.9);
  cursor: pointer;
}
.image-modal .modal-close {
  position: absolute;
  top: 16px;
  right: 24px;
  color: #fff;
  font-size: 36px;
  cursor: pointer;
  z-index: 10000;
  line-height: 1;
}
.image-modal-content {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 48px 24px;
}
.image-modal .modal-image {
  max-width: 90vw;
  max-height: 85vh;
  object-fit: contain;
  border-radius: var(--radius-default);
}
.image-modal .modal-caption {
  color: rgba(255,255,255,0.8);
  text-align: center;
  margin-top: 12px;
  font-size: 14px;
}

/* Video section */
.video-container {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: #000;
}
.video-container iframe,
.youtube-embed {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
}
.video-preview {
  cursor: pointer;
  border-radius: var(--radius-default);
  overflow: hidden;
  border: 2px solid transparent;
  transition: border-color 0.2s ease;
}
.video-preview:hover,
.video-preview.active-video {
  border-color: var(--color-primary);
}
.video-thumbnail {
  position: relative;
  padding-bottom: 56.25%;
  height: 0;
  overflow: hidden;
  background: #000;
}
.video-thumbnail iframe,
.youtube-embed-small {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  pointer-events: none;
}
.video-overlay {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,0.3);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 4px;
  pointer-events: none;
}
.video-overlay .material-symbols-outlined { color: #fff; font-size: 32px; }
.video-number {
  color: #fff;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
}

/* Specifications grid */
.specifications-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.spec-item {
  padding: 12px 16px;
  background: var(--color-surface-container);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
  font-size: 14px;
}
.spec-item strong {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-on-surface-variant);
}

/* Parts list compact */
.parts-list-compact {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.part-item-compact {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  background: var(--color-surface-container);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
  transition: border-color 0.2s ease;
}
.part-item-compact:hover { border-color: var(--color-primary); }
.part-brand-logo { flex-shrink: 0; }
.brand-logo-img-compact {
  width: 40px;
  height: 40px;
  object-fit: contain;
  border-radius: var(--radius-default);
}
.brand-placeholder-compact {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-container-high);
  border-radius: var(--radius-default);
  color: var(--color-on-surface-variant);
}
.part-info-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  font-size: 14px;
  min-width: 0;
}
.part-quantity {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-primary);
  flex-shrink: 0;
}
.part-name-compact { font-weight: 600; }
.part-link { color: var(--color-secondary); text-decoration: none; }
.part-link:hover { text-decoration: underline; }
.part-brand-compact { color: var(--color-on-surface-variant); font-size: 13px; }
.part-description-compact { color: var(--color-on-surface-variant); font-size: 13px; }
.part-meta-compact { display: flex; align-items: center; gap: 6px; }
.price-paid-compact {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--color-primary);
}

/* 3D Files tabs */
.threedy-files-tabs .tab-content { padding-top: 16px; }
.tab-pane { display: none; }
.tab-pane.active { display: block; }
.threedy-external-content { padding: 16px 0; }
.threedy-url-section { margin-bottom: 16px; }
.threedy-info {
  padding: 16px;
  background: var(--color-surface-container);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
}
.uploaded-3d-files { display: flex; flex-direction: column; gap: 8px; }
.file-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  background: var(--color-surface-container);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
}
.file-preview {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-default);
  overflow: hidden;
  flex-shrink: 0;
}
.file-preview img,
.threedy-preview-img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.file-preview-placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-surface-container-high);
  color: var(--color-on-surface-variant);
}
.file-info { flex: 1; min-width: 0; }
.file-name {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 600;
  font-size: 14px;
}
.file-link { color: var(--color-secondary); text-decoration: none; }
.file-link:hover { text-decoration: underline; }
.file-details {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--color-on-surface-variant);
  margin-top: 4px;
}
.file-size { font-family: var(--font-mono); }
.file-type {
  background: var(--color-surface-container-high);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 11px;
}
.file-actions { flex-shrink: 0; }

/* Print settings */
.print-settings-box {
  padding: 20px;
  background: var(--color-surface-container);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
}
.settings-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.settings-grid .setting {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.settings-grid .label {
  font-family: var(--font-mono);
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--color-on-surface-variant);
}
.settings-grid .value {
  font-weight: 600;
  font-size: 15px;
}
.print-notes {
  padding-top: 12px;
  border-top: 1px solid var(--color-outline-variant);
  font-size: 14px;
  color: var(--color-on-surface-variant);
}

/* Attribution & Credits */
.attribution-credits-box {
  padding: 20px;
  background: var(--color-surface-container);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-outline-variant);
}
.attributions-list { display: flex; flex-direction: column; gap: 12px; }
.attribution-item {
  padding: 12px;
  background: var(--color-surface);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
}
.attribution-name { font-size: 15px; margin-bottom: 4px; }
.attribution-name a { color: var(--color-secondary); text-decoration: none; }
.attribution-country { color: var(--color-on-surface-variant); font-size: 13px; }
.attribution-source-build { font-size: 13px; color: var(--color-on-surface-variant); margin-top: 4px; }
.attribution-source-build a { color: var(--color-secondary); }
.attribution-notes { font-size: 13px; color: var(--color-on-surface-variant); margin-top: 4px; font-style: italic; }
.attribution-meta { display: flex; align-items: center; gap: 12px; margin-top: 8px; font-size: 13px; }
.attribution-license { display: flex; align-items: center; gap: 4px; color: var(--color-on-surface-variant); }
.attribution-link { color: var(--color-secondary); text-decoration: none; display: flex; align-items: center; gap: 4px; }
.attribution-date { display: flex; align-items: center; gap: 4px; color: var(--color-on-surface-variant); }

/* Build log */
.build-log-content {
  padding: 16px;
  background: var(--color-surface-container);
  border-radius: var(--radius-default);
  border: 1px solid var(--color-outline-variant);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.8;
  white-space: pre-wrap;
  word-break: break-word;
}

/* Comments */
.comments-section { padding-top: 24px; border-top: 1px solid var(--color-outline-variant); }
.comment-textarea {
  width: 100%;
  min-height: 80px;
  resize: vertical;
}
.comment-item {
  padding: 12px 0;
  border-bottom: 1px solid var(--color-outline-variant);
}
.comment-item:last-child { border-bottom: none; }
.comment-avatar {
  width: 36px;
  height: 36px;
  object-fit: cover;
  border-radius: 50%;
  flex-shrink: 0;
}
.comment-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
}
.comment-actions button,
.comment-actions .btn {
  background: none;
  border: none;
  padding: 2px 4px;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
}
.comment-new { animation: fadeIn 0.3s ease; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(-8px); } to { opacity: 1; transform: translateY(0); } }

/* Social links on build detail */
.social-links { display: flex; align-items: center; gap: 4px; flex-wrap: wrap; }
.social-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  color: var(--color-on-surface-variant);
  transition: color 0.2s, background 0.2s;
  text-decoration: none;
}
.social-link:hover {
  color: var(--color-primary);
  background: var(--color-surface-container-high);
}
.user-website {
  display: flex;
  align-items: center;
  gap: 4px;
  font-size: 13px;
  color: var(--color-on-surface-variant);
}
.website-link { color: var(--color-secondary); text-decoration: none; }
.website-link:hover { text-decoration: underline; }

/* Grid helpers for build detail */
.grid-cols-2 { grid-template-columns: repeat(2, 1fr); }
@media (min-width: 768px) {
  .md-grid-cols-3 { grid-template-columns: repeat(3, 1fr); }
  .md-grid-cols-4 { grid-template-columns: repeat(4, 1fr); }
  .md-grid-cols-5 { grid-template-columns: repeat(5, 1fr); }
}
@media (min-width: 1024px) {
  .lg-grid-cols-6 { grid-template-columns: repeat(6, 1fr); }
}

/* Download section */
.download-all-section {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

/* Misc build detail helpers */
.no-comments { padding: 32px 0; }
.no-comments .material-symbols-outlined { display: block; margin: 0 auto 8px; }

/* ----------------------------------------------------------------
   36. User Profile Page
   ---------------------------------------------------------------- */

.profile-page {
  width: 100%;
  max-width: 1400px;
  margin: 0 auto;
  padding: 32px var(--space-margin-mobile);
}
@media (min-width: 768px) {
  .profile-page { padding: 48px var(--space-margin-desktop); }
}

.profile-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-gutter);
}
@media (min-width: 768px) {
  .profile-layout {
    grid-template-columns: 1fr 2fr;
  }
}

/* --- Sidebar --- */
.profile-sidebar {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

/* Profile Card */
.profile-card {
  background: var(--color-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 24px;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s;
}
.profile-card:hover { border-color: var(--color-primary); }
.profile-card-initials {
  position: absolute;
  top: -8px;
  right: 12px;
  font-family: var(--font-mono);
  font-size: 96px;
  font-weight: 700;
  color: var(--color-on-surface);
  opacity: 0.04;
  line-height: 1;
  pointer-events: none;
  user-select: none;
}
.profile-card-inner {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

/* Avatar */
.profile-avatar-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
}
.profile-avatar-ring {
  width: 96px;
  height: 96px;
  border-radius: var(--radius-lg);
  border: 2px solid var(--color-primary);
  padding: 3px;
  background: var(--color-surface-container-low);
  flex-shrink: 0;
  overflow: hidden;
}
.profile-avatar-img {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 3px);
  object-fit: cover;
  display: block;
}
.profile-avatar-placeholder {
  width: 100%;
  height: 100%;
  border-radius: calc(var(--radius-lg) - 3px);
  background: var(--color-secondary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 28px;
  font-weight: 700;
  font-family: var(--font-sans);
}

/* Badges */
.profile-badges {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-end;
}
.profile-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
}
.profile-badge-primary {
  color: var(--color-primary);
  border: 1px solid color-mix(in srgb, var(--color-primary) 30%, transparent);
  background: color-mix(in srgb, var(--color-primary) 6%, transparent);
}
.profile-badge-secondary {
  color: var(--color-secondary);
  border: 1px solid color-mix(in srgb, var(--color-secondary) 30%, transparent);
  background: color-mix(in srgb, var(--color-secondary) 6%, transparent);
}
.profile-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* Identity */
.profile-identity {
  display: flex;
  flex-direction: column;
  gap: 4px;
}
.profile-display-name {
  font-family: var(--font-sans);
  font-size: 32px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--color-on-surface);
  margin: 0;
  letter-spacing: -0.02em;
}
.profile-username {
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin: 0;
}
.profile-location {
  display: flex;
  align-items: center;
  gap: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-top: 4px;
}

/* Bio */
.profile-bio {
  font-size: 15px;
  line-height: 1.6;
  color: var(--color-on-surface);
  margin: 0;
  border-left: 3px solid color-mix(in srgb, var(--color-primary) 25%, transparent);
  padding-left: 16px;
}

/* Action Button */
.profile-action-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  border-radius: var(--radius-lg);
  font-family: var(--font-sans);
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: none;
  text-decoration: none;
  transition: all 0.2s;
}
.profile-action-primary {
  background: var(--color-primary);
  color: var(--color-on-primary);
}
.profile-action-primary:hover { opacity: 0.9; }
.profile-action-secondary {
  background: var(--color-surface-container);
  color: var(--color-on-surface);
  border: 1px solid var(--color-outline-variant);
}
.profile-action-secondary:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* Stats Grid */
.profile-stats-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}
.profile-stat-card {
  background: var(--color-surface-container-low);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  transition: background 0.2s;
}
.profile-stat-card:hover { background: var(--color-surface-container); }
.profile-stat-wide { grid-column: 1 / -1; }
.profile-stat-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  margin-bottom: 4px;
}
.profile-stat-value {
  font-family: var(--font-sans);
  font-size: 28px;
  font-weight: 600;
  line-height: 1.2;
  color: var(--color-on-surface);
}
.profile-stat-primary { color: var(--color-primary); }
.profile-stat-accent { color: var(--color-secondary); }
.profile-stat-row {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
}

/* Inline Social Icons (fruitwine style) */
.profile-social-inline {
  display: flex;
  flex-direction: row;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.profile-social-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-default);
  color: var(--color-on-surface);
  text-decoration: none;
  background: transparent;
  transition: all 0.2s ease;
}
.profile-social-icon svg {
  width: 18px;
  height: 18px;
}
.profile-social-icon:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  transform: translateY(-1px);
}

/* Meta line */
.profile-meta-line {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  padding: 0 4px;
}

/* --- Main Content --- */
.profile-main {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

/* Tabs */
.profile-tabs {
  display: flex;
  gap: 32px;
  border-bottom: 1px solid var(--color-outline-variant);
  padding: 0 8px;
  overflow-x: auto;
}
.profile-tab {
  background: none;
  border: none;
  padding: 0 4px 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-on-surface-variant);
  cursor: pointer;
  white-space: nowrap;
  transition: color 0.2s;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.profile-tab:hover { color: var(--color-primary); }
.profile-tab-active {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}
.profile-tab-count {
  background: var(--color-surface-container);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 10px;
  color: var(--color-on-surface);
}
.profile-tab-pane { display: none; }
.profile-tab-pane.active { display: block; }

/* Empty State */
.profile-empty-state {
  text-align: center;
  padding: 64px 24px;
}
.profile-empty-state h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  margin: 12px 0 4px;
}
.profile-empty-state p {
  font-size: 14px;
  color: var(--color-on-surface-variant);
  margin: 0;
}

/* Builds Bento Grid */
.profile-builds-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}
@media (min-width: 640px) {
  .profile-builds-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Build Card */
.profile-build-card {
  background: var(--color-surface);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-lg);
  overflow: hidden;
  text-decoration: none;
  color: inherit;
  display: flex;
  flex-direction: column;
  transition: border-color 0.2s, box-shadow 0.2s;
}
.profile-build-card:hover {
  border-color: var(--color-primary);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
}

/* Featured card spans both columns */
@media (min-width: 640px) {
  .profile-build-featured {
    grid-column: 1 / -1;
    flex-direction: row;
  }
  .profile-build-featured .profile-build-image {
    width: 40%;
    min-height: 240px;
    border-bottom: none;
    border-right: 1px solid var(--color-outline-variant);
  }
  .profile-build-featured .profile-build-body {
    flex: 1;
    padding: 28px;
    display: flex;
    flex-direction: column;
    justify-content: center;
  }
  .profile-build-featured .profile-build-title {
    font-size: 24px;
    letter-spacing: -0.02em;
  }
}

.profile-build-image {
  position: relative;
  height: 200px;
  overflow: hidden;
  background: var(--color-surface-container-low);
  border-bottom: 1px solid var(--color-outline-variant);
}
.profile-build-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.profile-build-card:hover .profile-build-image img {
  transform: scale(1.05);
}
.profile-build-placeholder {
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
}
.profile-build-vehicle-tag {
  position: absolute;
  top: 12px;
  left: 12px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--color-outline-variant);
  padding: 3px 10px;
  border-radius: var(--radius-default);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--color-on-surface);
  backdrop-filter: blur(4px);
}
html.dark .profile-build-vehicle-tag {
  background: rgba(0,0,0,0.7);
}

.profile-build-body {
  padding: 16px 20px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  justify-content: space-between;
}
.profile-build-title {
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 600;
  color: var(--color-on-surface);
  margin: 0 0 6px;
  line-height: 1.3;
}
.profile-build-desc {
  font-size: 14px;
  color: var(--color-on-surface-variant);
  line-height: 1.5;
  margin: 0 0 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.profile-build-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 12px;
  border-top: 1px solid color-mix(in srgb, var(--color-outline-variant) 50%, transparent);
  margin-top: auto;
}
.profile-build-stats {
  display: flex;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-on-surface-variant);
}
.profile-build-stats span {
  display: flex;
  align-items: center;
  gap: 3px;
}
.profile-build-date {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
}

/* Load More */
.profile-load-more {
  display: flex;
  justify-content: center;
  margin-top: 24px;
}
.profile-load-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 32px;
  background: var(--color-surface);
  border: 2px solid var(--color-primary);
  border-radius: var(--radius-lg);
  color: var(--color-primary);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  text-decoration: none;
  transition: all 0.2s;
}
.profile-load-more-btn:hover {
  background: var(--color-primary);
  color: var(--color-on-primary);
}

/* Activity List */
.profile-activity-list {
  display: flex;
  flex-direction: column;
}
.profile-activity-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 0;
  border-bottom: 1px solid var(--color-outline-variant);
}
.profile-activity-item:last-child { border-bottom: none; }
.profile-activity-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: var(--color-surface-container);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-on-surface-variant);
  flex-shrink: 0;
}
.profile-activity-body {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.profile-activity-text {
  font-size: 14px;
  color: var(--color-on-surface);
}
.profile-activity-time {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--color-on-surface-variant);
}

/* ----------------------------------------------------------------
   37. Build Phase Components
   ---------------------------------------------------------------- */

/* Phase chip (hero overlay) */
.phase-chip {
  display: inline-flex;
  align-items: center;
  padding: 2px 10px;
  border-radius: var(--radius-full);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.5px;
  text-transform: uppercase;
}
.phase-design     { background: var(--color-tertiary-container); color: var(--color-on-tertiary-container); }
.phase-build      { background: var(--color-secondary-container); color: var(--color-on-secondary-container); }
.phase-testing    { background: #fff3e0; color: #e65100; }
.phase-tested     { background: #e0f2f1; color: #00695c; }
.phase-completed  { background: #e8f5e9; color: #2e7d32; }
html.dark .phase-testing   { background: #3e2723; color: #ffb74d; }
html.dark .phase-completed { background: #1b5e20; color: #81c784; }

/* Phase tracker (build detail page) */
.phase-tracker {
  background: var(--color-surface-container);
  border: 1px solid var(--color-outline-variant);
  border-radius: var(--radius-md);
  padding: 16px 20px;
}
.phase-tracker-label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--color-on-surface-variant);
  margin-bottom: 12px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.phase-tracker-bar {
  display: flex;
  gap: 0;
  position: relative;
}
.phase-tracker-step {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  position: relative;
}
.phase-tracker-step::before {
  content: '';
  position: absolute;
  top: 7px;
  left: 50%;
  right: -50%;
  height: 2px;
  background: var(--color-outline-variant);
  z-index: 0;
}
.phase-tracker-step:last-child::before { display: none; }
.phase-tracker-step.active::before {
  background: var(--color-primary);
}
.phase-tracker-dot {
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--color-surface-container);
  border: 2px solid var(--color-outline-variant);
  z-index: 1;
  transition: all 0.2s;
}
.phase-tracker-step.active .phase-tracker-dot {
  border-color: var(--color-primary);
  background: var(--color-primary);
}
.phase-tracker-step.current .phase-tracker-dot {
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 25%, transparent);
}
.phase-tracker-step-label {
  margin-top: 6px;
  font-size: 11px;
  font-family: var(--font-mono);
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
}
.phase-tracker-step.active .phase-tracker-step-label {
  color: var(--color-primary);
  font-weight: 600;
}

/* Phase mini bar (build cards) */
.phase-mini {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 6px;
  margin-bottom: 4px;
}
.phase-mini-label {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  color: var(--color-on-surface-variant);
  text-transform: uppercase;
  letter-spacing: 0.3px;
  white-space: nowrap;
  min-width: 64px;
}
.phase-mini-bar {
  display: flex;
  gap: 3px;
  flex: 1;
}
.phase-mini-segment {
  flex: 1;
  height: 4px;
  border-radius: 2px;
  background: var(--color-outline-variant);
  transition: background 0.2s;
}
.phase-mini-segment.filled {
  background: var(--color-primary);
}

@media (max-width: 599px) {
  .phase-tracker-step-label { font-size: 9px; }
  .phase-tracker { padding: 12px 14px; }
}

/* ----------------------------------------------------------------
   38. Print styles
   ---------------------------------------------------------------- */
@media print {
  .site-nav, .site-footer, .nav-hamburger, .btn-primary, .btn-secondary, .btn-ghost { display: none; }
  body { background: white; color: black; }
}