/**
 * WorldBridger One - Dark Retro Theme
 * Space Invaders × Two-Tone Ska Aesthetic
 * Black & White Base + Neon Green Accents
 */

/* ============================================
   CSS VARIABLES - Global Theme Tokens
   ============================================ */
:root {
  /* Primary Colors - Ska Two-Tone */
  --color-black: #000000;
  --color-white: #ffffff;
  --color-near-black: #0a0a0a;
  --color-off-white: #f5f5f5;

  /* Neon Accents - Space Invaders */
  --color-neon-green: #00ff00;
  --color-neon-green-glow: rgba(0, 255, 0, 0.5);
  --color-neon-cyan: #00ffff;
  --color-neon-cyan-glow: rgba(0, 255, 255, 0.5);
  --color-neon-magenta: #ff00ff;
  --color-neon-yellow: #ffff00;

  /* Grays */
  --color-dark-gray: #1a1a1a;
  --color-mid-gray: #333333;
  --color-light-gray: #999999;

  /* Rarity Colors */
  --color-common: #00ff00;
  --color-uncommon: #00ffff;
  --color-rare: #ffff00;
  --color-legendary: #ff00ff;
  --color-mythic: #ff0080;

  /* Typography */
  --font-mono: 'Courier New', 'Courier', monospace;
  --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  /* Spacing */
  --spacing-xs: 0.25rem;
  --spacing-sm: 0.5rem;
  --spacing-md: 1rem;
  --spacing-lg: 1.5rem;
  --spacing-xl: 2rem;
  --spacing-2xl: 3rem;

  /* Border */
  --border-width: 3px;
  --border-radius: 0;

  /* Shadows */
  --shadow-pixel: 4px 4px 0;
  --shadow-pixel-lg: 8px 8px 0;
  --shadow-neon: 0 0 10px;
  --shadow-neon-lg: 0 0 20px;

  /* Transitions */
  --transition-fast: 0.15s ease;
  --transition-normal: 0.3s ease;
  --transition-slow: 0.5s ease;
}

/* ============================================
   GLOBAL STYLES
   ============================================ */
* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  background: var(--color-black);
  color: var(--color-white);
  font-family: var(--font-sans);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  position: relative;
  min-height: 100vh;
}

/* Creative Background Design - Retro Arcade Grid with Glow */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image:
    /* Animated gradient orbs */
    radial-gradient(circle at 20% 30%, rgba(0, 255, 0, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(0, 255, 255, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(255, 0, 255, 0.04) 0%, transparent 50%),
    /* Perspective grid */
    linear-gradient(0deg, transparent 24%, rgba(0, 255, 0, 0.05) 25%, rgba(0, 255, 0, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 255, 0, 0.05) 75%, rgba(0, 255, 0, 0.05) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(0, 255, 0, 0.05) 25%, rgba(0, 255, 0, 0.05) 26%, transparent 27%, transparent 74%, rgba(0, 255, 0, 0.05) 75%, rgba(0, 255, 0, 0.05) 76%, transparent 77%, transparent);
  background-size:
    100% 100%,
    100% 100%,
    100% 100%,
    50px 50px,
    50px 50px;
  background-position: 0% 0%;
  pointer-events: none;
  z-index: 0;
  animation: backgroundPulse 20s ease-in-out infinite;
}

@keyframes backgroundPulse {
  0%, 100% {
    opacity: 0.4;
    background-position: 0% 0%, 100% 100%, 50% 50%, 0 0, 0 0;
  }
  25% {
    opacity: 0.6;
    background-position: 20% 30%, 80% 70%, 60% 40%, 0 0, 0 0;
  }
  50% {
    opacity: 0.5;
    background-position: 80% 70%, 20% 30%, 40% 60%, 0 0, 0 0;
  }
  75% {
    opacity: 0.6;
    background-position: 40% 60%, 60% 40%, 50% 50%, 0 0, 0 0;
  }
}

/* Scanline Effect Overlay */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15) 0px,
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
  pointer-events: none;
  z-index: 9999;
  animation: scanlines 8s linear infinite;
  opacity: 0.4;
}

@keyframes scanlines {
  0% {
    transform: translateY(0);
  }
  100% {
    transform: translateY(4px);
  }
}

/* Ensure all content appears above background */
header, main, footer, section, article, nav {
  position: relative;
  z-index: 1;
}

/* Force light text on dark background */
body,
p, span, div, li, td, th, label {
  color: var(--color-white);
}

/* Links remain visible */
a {
  color: var(--color-neon-green);
  text-decoration: none;
  transition: color var(--transition-fast);
}

a:hover {
  color: var(--color-neon-cyan);
  text-shadow: var(--shadow-neon) var(--color-neon-cyan);
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.2;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--color-white);
}

h1 {
  font-size: 3rem;
}

h2 {
  font-size: 2.5rem;
}

h3 {
  font-size: 2rem;
}

h4 {
  font-size: 1.5rem;
}

.mono {
  font-family: var(--font-mono);
}

/* Text Effects */
.neon-text {
  color: var(--color-neon-green);
  text-shadow:
    0 0 10px var(--color-neon-green-glow),
    0 0 20px var(--color-neon-green-glow),
    0 0 30px var(--color-neon-green-glow),
    0 0 40px var(--color-neon-green);
}

.text-cyan {
  color: var(--color-neon-cyan);
  text-shadow:
    0 0 10px var(--color-neon-cyan-glow),
    0 0 20px var(--color-neon-cyan-glow),
    0 0 30px var(--color-neon-cyan-glow),
    0 0 40px var(--color-neon-cyan);
}

.text-magenta {
  color: var(--color-neon-magenta);
  text-shadow:
    0 0 10px rgba(255, 0, 255, 0.5),
    0 0 20px rgba(255, 0, 255, 0.5),
    0 0 30px rgba(255, 0, 255, 0.5),
    0 0 40px var(--color-neon-magenta);
}

.text-yellow {
  color: var(--color-neon-yellow);
  text-shadow:
    0 0 10px rgba(255, 255, 0, 0.5),
    0 0 20px rgba(255, 255, 0, 0.5),
    0 0 30px rgba(255, 255, 0, 0.5),
    0 0 40px var(--color-neon-yellow);
}

/* Glitch Effect */
.glitch {
  position: relative;
  animation: glitch-skew 3s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--color-neon-cyan);
  clip: rect(24px, 550px, 90px, 0);
  animation: glitch-anim 3s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--color-neon-magenta);
  clip: rect(85px, 550px, 140px, 0);
  animation: glitch-anim 2.5s infinite linear alternate-reverse;
}

@keyframes glitch-anim {
  0% {
    clip: rect(random(100) + px, 9999px, random(100) + px, 0);
  }
  100% {
    clip: rect(random(100) + px, 9999px, random(100) + px, 0);
  }
}

@keyframes glitch-skew {
  0% {
    transform: skew(0deg);
  }
  10% {
    transform: skew(-1deg);
  }
  20% {
    transform: skew(0deg);
  }
}

/* ============================================
   CONTAINERS & LAYOUT
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--spacing-lg);
}

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

/* ============================================
   BUTTONS - Retro Arcade Style
   ============================================ */
.btn-retro,
.btn-retro-neon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md) var(--spacing-xl);
  background: var(--color-black);
  color: var(--color-white);
  border: var(--border-width) solid var(--color-white);
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 900;
  text-transform: uppercase;
  text-decoration: none;
  letter-spacing: 2px;
  cursor: pointer;
  transition: all var(--transition-fast);
  box-shadow: var(--shadow-pixel) var(--color-white);
  position: relative;
  overflow: hidden;
}

.btn-retro:hover,
.btn-retro-neon:hover {
  background: var(--color-white);
  color: var(--color-black);
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-pixel) var(--color-neon-green);
}

.btn-retro-neon {
  border-color: var(--color-neon-green);
  box-shadow: var(--shadow-pixel) var(--color-neon-green),
              var(--shadow-neon) var(--color-neon-green);
}

.btn-retro-neon:hover {
  background: var(--color-neon-green);
  color: var(--color-black);
  box-shadow: 0 0 0,
              var(--shadow-neon-lg) var(--color-neon-green);
}

/* Button Press Effect */
.btn-retro:active,
.btn-retro-neon:active {
  transform: translate(4px, 4px);
  box-shadow: none;
}

/* ============================================
   CARDS - Pixel Border Style
   ============================================ */
.card-retro,
.card-retro-neon {
  background: var(--color-near-black);
  border: var(--border-width) solid var(--color-white);
  padding: var(--spacing-lg);
  box-shadow: var(--shadow-pixel) var(--color-white);
  transition: all var(--transition-normal);
}

.card-retro:hover,
.card-retro-neon:hover {
  transform: translate(-2px, -2px);
  box-shadow: var(--shadow-pixel-lg) var(--color-neon-green);
}

.card-retro-neon {
  border-color: var(--color-neon-green);
  box-shadow: var(--shadow-pixel) var(--color-neon-green),
              var(--shadow-neon) var(--color-neon-green);
}

/* ============================================
   BORDERS & FRAMES
   ============================================ */
.pixel-border {
  border: var(--border-width) solid var(--color-white);
  box-shadow: var(--shadow-pixel) var(--color-white);
}

.pixel-border-neon {
  border: var(--border-width) solid var(--color-neon-green);
  box-shadow: var(--shadow-pixel) var(--color-neon-green),
              var(--shadow-neon) var(--color-neon-green);
}

/* Arcade Screen Frame */
.arcade-screen {
  background: var(--color-black);
  border: 6px solid var(--color-white);
  border-radius: 12px;
  box-shadow:
    inset 0 0 20px rgba(0, 255, 0, 0.2),
    0 0 30px rgba(0, 255, 0, 0.3),
    8px 8px 0 var(--color-white);
  position: relative;
}

.arcade-screen::before {
  content: '';
  position: absolute;
  top: -3px;
  left: -3px;
  right: -3px;
  bottom: -3px;
  background: linear-gradient(
    45deg,
    var(--color-neon-green) 0%,
    transparent 50%,
    var(--color-neon-green) 100%
  );
  opacity: 0.1;
  border-radius: 12px;
  pointer-events: none;
}

/* ============================================
   PATTERNS - Ska Checkerboard
   ============================================ */
.ska-pattern {
  background-image:
    repeating-linear-gradient(
      45deg,
      var(--color-black) 0px,
      var(--color-black) 10px,
      var(--color-white) 10px,
      var(--color-white) 20px
    );
  background-size: 28px 28px;
  border: var(--border-width) solid var(--color-white);
}

.arcade-grid {
  background-image:
    linear-gradient(var(--color-mid-gray) 1px, transparent 1px),
    linear-gradient(90deg, var(--color-mid-gray) 1px, transparent 1px);
  background-size: 20px 20px;
}

/* Scanlines Overlay */
.scanlines {
  position: relative;
}

.scanlines::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 1px,
    rgba(0, 0, 0, 0.1) 1px,
    rgba(0, 0, 0, 0.1) 2px
  );
  pointer-events: none;
  z-index: 1;
}

/* ============================================
   ANIMATIONS
   ============================================ */
/* Pixel Fade In */
.pixel-fade-in {
  animation: pixelFadeIn 0.6s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

@keyframes pixelFadeIn {
  0% {
    opacity: 0;
    transform: scale(0.95) translateY(10px);
    filter: blur(2px);
  }
  100% {
    opacity: 1;
    transform: scale(1) translateY(0);
    filter: blur(0);
  }
}

/* Blink Animation */
.blink {
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

/* Pulse Glow */
.pulse-glow {
  animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
  0%, 100% {
    box-shadow: 0 0 10px var(--color-neon-green);
  }
  50% {
    box-shadow: 0 0 30px var(--color-neon-green);
  }
}

/* Float Animation */
.float {
  animation: float 3s ease-in-out infinite;
}

@keyframes float {
  0%, 100% {
    transform: translateY(0);
  }
  50% {
    transform: translateY(-10px);
  }
}

/* Slide In from Left */
.slide-in-left {
  animation: slideInLeft 0.5s ease-out;
}

@keyframes slideInLeft {
  0% {
    transform: translateX(-100%);
    opacity: 0;
  }
  100% {
    transform: translateX(0);
    opacity: 1;
  }
}

/* ============================================
   FORMS - Retro Input Style
   ============================================ */
input[type="text"],
input[type="email"],
input[type="password"],
textarea,
select {
  width: 100%;
  padding: var(--spacing-md);
  background: var(--color-near-black);
  color: var(--color-white);
  border: var(--border-width) solid var(--color-white);
  font-family: var(--font-mono);
  font-size: 1rem;
  transition: all var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--color-neon-green);
  box-shadow: var(--shadow-neon) var(--color-neon-green);
}

/* Checkboxes & Radio Buttons */
input[type="checkbox"],
input[type="radio"] {
  appearance: none;
  width: 20px;
  height: 20px;
  border: var(--border-width) solid var(--color-white);
  background: var(--color-black);
  cursor: pointer;
  position: relative;
  transition: all var(--transition-fast);
}

input[type="checkbox"]:checked,
input[type="radio"]:checked {
  background: var(--color-neon-green);
  border-color: var(--color-neon-green);
  box-shadow: var(--shadow-neon) var(--color-neon-green);
}

input[type="checkbox"]:checked::after {
  content: '✓';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  color: var(--color-black);
  font-weight: 900;
  font-size: 1rem;
}

input[type="radio"] {
  border-radius: 50%;
}

input[type="radio"]:checked::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 10px;
  height: 10px;
  background: var(--color-black);
  border-radius: 50%;
}

/* ============================================
   BADGES & TAGS
   ============================================ */
.badge-retro {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-xs);
  padding: var(--spacing-xs) var(--spacing-sm);
  background: var(--color-black);
  color: var(--color-neon-green);
  border: 2px solid var(--color-neon-green);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  box-shadow: 2px 2px 0 var(--color-neon-green);
}

/* ============================================
   PROGRESS BARS
   ============================================ */
.progress-bar {
  width: 100%;
  height: 20px;
  background: var(--color-near-black);
  border: var(--border-width) solid var(--color-white);
  position: relative;
  overflow: hidden;
}

.progress-fill {
  height: 100%;
  background: var(--color-neon-green);
  box-shadow: inset 0 0 10px rgba(0, 255, 0, 0.5);
  transition: width var(--transition-normal);
  position: relative;
}

.progress-fill::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    45deg,
    transparent,
    transparent 10px,
    rgba(0, 0, 0, 0.1) 10px,
    rgba(0, 0, 0, 0.1) 20px
  );
}

/* ============================================
   TABLES
   ============================================ */
table {
  width: 100%;
  border-collapse: collapse;
  font-family: var(--font-mono);
}

th {
  background: var(--color-white);
  color: var(--color-black);
  padding: var(--spacing-md);
  text-align: left;
  font-weight: 900;
  text-transform: uppercase;
  letter-spacing: 1px;
  border: var(--border-width) solid var(--color-white);
}

td {
  padding: var(--spacing-md);
  border: var(--border-width) solid var(--color-mid-gray);
  background: var(--color-near-black);
}

tr:nth-child(even) td {
  background: var(--color-dark-gray);
}

tr:hover td {
  background: var(--color-mid-gray);
  box-shadow: inset 0 0 10px rgba(0, 255, 0, 0.2);
}

/* ============================================
   UTILITY CLASSES
   ============================================ */
.hidden {
  display: none !important;
}

.invisible {
  visibility: hidden;
}

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

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

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

.block {
  display: block;
}

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

.flex {
  display: flex;
}

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

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

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

.gap-1 {
  gap: var(--spacing-sm);
}

.gap-2 {
  gap: var(--spacing-md);
}

.gap-3 {
  gap: var(--spacing-lg);
}

/* Spacing */
.p-1 { padding: var(--spacing-sm); }
.p-2 { padding: var(--spacing-md); }
.p-3 { padding: var(--spacing-lg); }
.p-4 { padding: var(--spacing-xl); }

.m-1 { margin: var(--spacing-sm); }
.m-2 { margin: var(--spacing-md); }
.m-3 { margin: var(--spacing-lg); }
.m-4 { margin: var(--spacing-xl); }

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
  :root {
    --spacing-lg: 1rem;
    --spacing-xl: 1.5rem;
    --spacing-2xl: 2rem;
  }

  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.75rem;
  }

  h3 {
    font-size: 1.5rem;
  }

  .container {
    padding: 0 var(--spacing-md);
  }

  .btn-retro,
  .btn-retro-neon {
    padding: var(--spacing-sm) var(--spacing-md);
    font-size: 0.875rem;
  }
}

/* ============================================
   PRINT STYLES
   ============================================ */
@media print {
  body::before,
  .scanlines::after {
    display: none;
  }

  * {
    color: #000 !important;
    background: #fff !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
}

/* ============================================
   ACCESSIBILITY
   ============================================ */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}

/* Focus Styles */
*:focus {
  outline: 3px solid var(--color-neon-green);
  outline-offset: 2px;
}

button:focus,
a:focus {
  outline: 3px solid var(--color-neon-green);
  outline-offset: 2px;
}

/* Reduced Motion */
@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
}

/* High Contrast Mode */
@media (prefers-contrast: high) {
  :root {
    --color-black: #000000;
    --color-white: #ffffff;
    --border-width: 4px;
  }
}

/* ============================================
   THEME & LANGUAGE SWITCHERS
   ============================================ */
   
/* Language Switcher Container */
.language-switcher {
  position: relative;
  display: inline-block;
}

.btn-language {
  display: flex;
  align-items: center;
  gap: 0.25rem;
  padding: 0.5rem 0.75rem;
  background: var(--color-near-black);
  border: 2px solid var(--color-white);
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-mono);
  font-weight: 700;
}

.btn-language:hover {
  border-color: var(--color-neon-green);
  box-shadow: var(--shadow-neon) var(--color-neon-green);
  transform: translateY(-2px);
}

.language-icon {
  font-size: 1.25rem;
}

.language-code {
  font-size: 0.875rem;
  letter-spacing: 1px;
}

/* Language Dropdown Menu */
.language-menu {
  position: absolute;
  top: 100%;
  right: 0;
  margin-top: 0.5rem;
  background: var(--color-near-black);
  border: var(--border-width) solid var(--color-white);
  box-shadow: var(--shadow-pixel-lg) var(--color-neon-green),
              0 0 20px rgba(0, 255, 0, 0.3);
  min-width: 240px;
  max-height: 500px;
  overflow-y: auto;
  z-index: 1000;
  animation: slideDown 0.2s ease-out;
}

/* Custom scrollbar for language menu */
.language-menu::-webkit-scrollbar {
  width: 8px;
}

.language-menu::-webkit-scrollbar-track {
  background: var(--color-near-black);
  border-left: 1px solid var(--color-mid-gray);
}

.language-menu::-webkit-scrollbar-thumb {
  background: var(--color-neon-green);
  border-radius: 4px;
}

.language-menu::-webkit-scrollbar-thumb:hover {
  background: var(--color-white);
}

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

.language-option {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.75rem 1rem;
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--color-mid-gray);
  color: var(--color-white);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  cursor: pointer;
  transition: all var(--transition-fast);
  text-align: left;
}

/* Language Section Header */
.language-section-header {
  padding: 0.75rem 1rem 0.5rem 1rem;
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-neon-green);
  background: rgba(0, 255, 0, 0.05);
  border-bottom: 2px solid var(--color-neon-green);
  margin-top: 0.5rem;
}

.language-section-header:first-child {
  margin-top: 0;
}

.language-option:last-child {
  border-bottom: none;
}

.language-option:hover {
  background: rgba(0, 255, 0, 0.1);
  border-left: 4px solid var(--color-neon-green);
  padding-left: 1.5rem;
  color: var(--color-neon-green);
}

.language-option.active {
  background: var(--color-neon-green);
  color: var(--color-black);
  font-weight: 700;
  border-left: 4px solid var(--color-white);
}

.language-option.active .flag {
  filter: brightness(1.2);
}

.language-option .flag {
  font-size: 1.5rem;
}

.language-option .lang-name {
  font-weight: 600;
}

/* Theme Switcher Button */
.btn-theme {
  padding: 0.5rem 0.75rem;
  background: var(--color-near-black);
  border: 2px solid var(--color-white);
  color: var(--color-white);
  cursor: pointer;
  transition: all var(--transition-fast);
  font-size: 1.25rem;
}

.btn-theme:hover {
  border-color: var(--color-neon-yellow);
  box-shadow: var(--shadow-neon) var(--color-neon-yellow);
  transform: rotate(15deg) scale(1.1);
}

.btn-theme:active {
  transform: rotate(-15deg) scale(0.95);
}

/* Theme Icons */
.theme-icon-dark,
.theme-icon-light {
  display: inline-block;
  transition: all var(--transition-fast);
}

/* Light Theme Overrides (when active) */
body.light-theme {
  background: var(--color-white);
  color: var(--color-black);
}

body.light-theme::after {
  background-image:
    radial-gradient(circle at 20% 30%, rgba(124, 58, 237, 0.08) 0%, transparent 40%),
    radial-gradient(circle at 80% 70%, rgba(236, 72, 153, 0.06) 0%, transparent 40%),
    radial-gradient(circle at 50% 50%, rgba(59, 130, 246, 0.04) 0%, transparent 50%),
    linear-gradient(0deg, transparent 24%, rgba(0, 0, 0, 0.03) 25%, rgba(0, 0, 0, 0.03) 26%, transparent 27%, transparent 74%, rgba(0, 0, 0, 0.03) 75%, rgba(0, 0, 0, 0.03) 76%, transparent 77%, transparent),
    linear-gradient(90deg, transparent 24%, rgba(0, 0, 0, 0.03) 25%, rgba(0, 0, 0, 0.03) 26%, transparent 27%, transparent 74%, rgba(0, 0, 0, 0.03) 75%, rgba(0, 0, 0, 0.03) 76%, transparent 77%, transparent);
}

body.light-theme::before {
  background: repeating-linear-gradient(
    0deg,
    rgba(255, 255, 255, 0.1) 0px,
    rgba(255, 255, 255, 0.1) 1px,
    transparent 1px,
    transparent 2px
  );
}

body.light-theme p,
body.light-theme span,
body.light-theme div,
body.light-theme li,
body.light-theme td,
body.light-theme h1,
body.light-theme h2,
body.light-theme h3,
body.light-theme h4,
body.light-theme h5,
body.light-theme h6 {
  color: var(--color-black);
}

body.light-theme a {
  color: #7c3aed;
}

body.light-theme a:hover {
  color: #ec4899;
}

body.light-theme .btn-retro,
body.light-theme .btn-retro-neon {
  background: var(--color-white);
  color: var(--color-black);
  border-color: var(--color-black);
  box-shadow: var(--shadow-pixel) var(--color-black);
}

body.light-theme .btn-retro:hover,
body.light-theme .btn-retro-neon:hover {
  background: var(--color-black);
  color: var(--color-white);
}

body.light-theme .card-retro,
body.light-theme .card-retro-neon {
  background: var(--color-off-white);
  border-color: var(--color-black);
  box-shadow: var(--shadow-pixel) var(--color-black);
}

/* ============================================
   HEADER STAYS DARK - ALWAYS SPACE INVADERS
   ============================================ */
body.light-theme .header-main {
  background: #000 !important;
  border-bottom-color: var(--color-neon-green) !important;
}

body.light-theme .nav-logo a {
  color: var(--color-neon-green) !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .logo-text,
body.light-theme .logo-icon {
  color: var(--color-neon-green) !important;
}

body.light-theme .nav-dropdown-btn {
  background: transparent !important;
  color: var(--color-neon-green) !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .nav-dropdown-btn span {
  color: var(--color-neon-green) !important;
}

body.light-theme .nav-dropdown-menu {
  background: #000 !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .dropdown-item {
  color: var(--color-neon-green) !important;
  border-bottom-color: rgba(0, 255, 0, 0.2) !important;
}

body.light-theme .dropdown-item span {
  color: var(--color-neon-green) !important;
}

body.light-theme .dropdown-item:hover {
  background: var(--color-neon-green) !important;
  color: #000 !important;
}

body.light-theme .dropdown-item:hover span {
  color: #000 !important;
}

body.light-theme .xp-badge {
  background: #000 !important;
  border-color: var(--color-neon-green) !important;
  color: var(--color-neon-green) !important;
}

body.light-theme .xp-badge span {
  color: var(--color-neon-green) !important;
}

body.light-theme .level-badge {
  background: var(--color-neon-green) !important;
  color: #000 !important;
}

body.light-theme .btn-icon {
  color: var(--color-neon-green) !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .btn-primary {
  background: var(--color-neon-green) !important;
  color: #000 !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .btn-secondary {
  background: transparent !important;
  color: var(--color-neon-green) !important;
  border-color: var(--color-neon-green) !important;
}

body.light-theme .language-icon,
body.light-theme .theme-icon-dark,
body.light-theme .theme-icon-light {
  color: var(--color-neon-green) !important;
  filter: drop-shadow(0 0 8px var(--color-neon-green));
}

body.light-theme #current-language {
  color: var(--color-neon-green) !important;
}

body.light-theme .btn-mobile-menu {
  color: var(--color-neon-green) !important;
  border-color: var(--color-neon-green) !important;
}

/* Mobile Responsive for Switchers */
@media (max-width: 768px) {
  .language-menu {
    right: auto;
    left: 0;
    min-width: 180px;
  }
  
  .btn-language,
  .btn-theme {
    padding: 0.4rem 0.6rem;
    font-size: 0.875rem;
  }
  
  .language-icon,
  .theme-icon-dark,
  .theme-icon-light {
    font-size: 1rem;
  }
}