/* ==========================================================================
   QUANTUM CSS FOUNDATION SYSTEM - VERSION 2026.2.1 (ENHANCED)
   Over 3500 lines of sophisticated styling, animations, and responsive design
   Includes integrated elements from public/styles.css
   ========================================================================== */

/* --- Root variables (expanded) --- */
:root {
  /* Primary color palette */
  --quantum-black-hole: #000000;
  --quantum-space: #0a0a0f;
  --quantum-nebula: #121218;
  --quantum-galaxy: #1a1a22;
  --quantum-star-cluster: #22222a;
  --quantum-supernova: #2a2a32;
  --quantum-gold-core: #d6b25e;
  --quantum-gold-fusion: #f3d27b;
  --quantum-gold-nova: #ffea9e;
  --quantum-gold-singularity: #c9a347;
  --quantum-gold-event-horizon: #b89440;
  --quantum-gold-glow: rgba(214, 178, 94, 0.4);
  --quantum-gold-super-glow: rgba(214, 178, 94, 0.7);
  --quantum-gold-hyper-glow: rgba(214, 178, 94, 0.9);
  --quantum-neon-cyan: #00f3ff;
  --quantum-neon-aqua: #00d9e6;
  --quantum-neon-teal: #00bfcc;
  --quantum-neon-glow: rgba(0, 243, 255, 0.3);
  --quantum-neon-super-glow: rgba(0, 243, 255, 0.6);
  --quantum-success-quark: #00ff9d;
  --quantum-success-boson: #00cc7a;
  --quantum-warning-photon: #ffb74d;
  --quantum-danger-neutron: #ff3860;
  --quantum-danger-proton: #ff002b;
  --quantum-info-electron: #3291ff;
  --quantum-info-positron: #2678e6;

  /* Additional colors from styles.css */
  --quantum-surface: rgba(10, 10, 20, 0.7);
  --quantum-secondary: #9d00ff;

  /* Text colors */
  --quantum-text-singularity: #ffffff;
  --quantum-text-quasar: #e0e0e0;
  --quantum-text-pulsar: #b0b0b0;
  --quantum-text-neutron: #888888;
  --quantum-text-dark-matter: #666666;
  --quantum-text-black-hole: #444444;

  /* Spacing scale (atomic design) */
  --quantum-space-quantum: 2px;
  --quantum-space-atom: 4px;
  --quantum-space-molecule: 8px;
  --quantum-space-cell: 16px;
  --quantum-space-organ: 24px;
  --quantum-space-organism: 32px;
  --quantum-space-system: 48px;
  --quantum-space-galaxy: 64px;
  --quantum-space-universe: 96px;
  --quantum-space-multiverse: 128px;
  --quantum-space-infinity: 192px;

  /* Border radius */
  --quantum-radius-quantum: 4px;
  --quantum-radius-atom: 8px;
  --quantum-radius-molecule: 12px;
  --quantum-radius-cell: 16px;
  --quantum-radius-organ: 24px;
  --quantum-radius-organism: 32px;
  --quantum-radius-system: 48px;
  --quantum-radius-galactic: 64px;
  --quantum-radius-cosmic: 96px;
  --quantum-radius-singularity: 9999px;

  /* Shadows */
  --quantum-shadow-quantum: 0 1px 2px rgba(0, 0, 0, 0.05);
  --quantum-shadow-atom: 0 2px 8px rgba(0, 0, 0, 0.1);
  --quantum-shadow-molecule: 0 4px 16px rgba(0, 0, 0, 0.15);
  --quantum-shadow-cell: 0 8px 32px rgba(0, 0, 0, 0.2);
  --quantum-shadow-organ: 0 16px 48px rgba(0, 0, 0, 0.25);
  --quantum-shadow-organism: 0 24px 64px rgba(0, 0, 0, 0.3);
  --quantum-shadow-system: 0 32px 96px rgba(0, 0, 0, 0.35);
  --quantum-shadow-galactic: 0 48px 128px rgba(0, 0, 0, 0.4);
  --quantum-shadow-cosmic: 0 64px 192px rgba(0, 0, 0, 0.5);

  /* Gold shadows */
  --quantum-shadow-gold-quantum: 0 2px 8px rgba(214, 178, 94, 0.1);
  --quantum-shadow-gold-atom: 0 4px 16px rgba(214, 178, 94, 0.2);
  --quantum-shadow-gold-molecule: 0 8px 32px rgba(214, 178, 94, 0.3);
  --quantum-shadow-gold-cell: 0 16px 48px rgba(214, 178, 94, 0.4);
  --quantum-shadow-gold-organ: 0 24px 64px rgba(214, 178, 94, 0.5);

  /* Transitions */
  --quantum-transition-quantum: all 0.1s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-atom: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-molecule: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-cell: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-organ: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-organism: all 0.7s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-system: all 1s cubic-bezier(0.4, 0, 0.2, 1);
  --quantum-transition-bounce: all 0.6s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  --quantum-transition-elastic: all 0.8s cubic-bezier(0.68, -0.55, 0.265, 2.55);

  /* Dimensions */
  --quantum-header-height: 88px;
  --quantum-header-height-scrolled: 72px;
  --quantum-sidebar-width: 320px;
  --quantum-max-width: 1600px;
  --quantum-grid-gap: var(--quantum-space-system);
  --quantum-container-padding: var(--quantum-space-galaxy);

  /* Glass effects */
  --quantum-glass-background: rgba(255, 255, 255, 0.03);
  --quantum-glass-border: rgba(255, 255, 255, 0.08);
  --quantum-glass-blur: blur(24px) saturate(180%);
  --quantum-glass-blur-heavy: blur(48px) saturate(200%);
  --quantum-glass-blur-extreme: blur(96px) saturate(220%);

  /* Gradients */
  --quantum-gradient-gold-horizontal: linear-gradient(90deg, var(--quantum-gold-core), var(--quantum-gold-fusion));
  --quantum-gradient-gold-vertical: linear-gradient(180deg, var(--quantum-gold-core), var(--quantum-gold-fusion));
  --quantum-gradient-gold-diagonal: linear-gradient(135deg, var(--quantum-gold-core), var(--quantum-gold-fusion));
  --quantum-gradient-gold-radial: radial-gradient(circle at center, var(--quantum-gold-core), var(--quantum-gold-fusion));
  --quantum-gradient-gold-hover: linear-gradient(135deg, var(--quantum-gold-fusion), var(--quantum-gold-nova));
  --quantum-gradient-neon-diagonal: linear-gradient(135deg, var(--quantum-neon-cyan), var(--quantum-neon-aqua));
  --quantum-gradient-surface: linear-gradient(180deg, var(--quantum-space), var(--quantum-nebula));
  --quantum-gradient-radial-space: radial-gradient(circle at 50% 0%, rgba(214, 178, 94, 0.15) 0%, transparent 60%);
  --quantum-gradient-radial-nebula: radial-gradient(circle at 80% 20%, rgba(0, 243, 255, 0.08) 0%, transparent 60%);
  --quantum-gradient-diagonal-grid: repeating-linear-gradient(45deg, transparent, transparent 10px, rgba(214, 178, 94, 0.03) 10px, rgba(214, 178, 94, 0.03) 20px);

  /* Fonts */
  --quantum-font-primary: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, 'Open Sans', 'Helvetica Neue', sans-serif;
  --quantum-font-mono: 'JetBrains Mono', 'SF Mono', Monaco, 'Cascadia Code', 'Fira Code', 'Droid Sans Mono', monospace;

  /* Font sizes */
  --quantum-font-size-quantum: 10px;
  --quantum-font-size-atom: 12px;
  --quantum-font-size-molecule: 14px;
  --quantum-font-size-cell: 16px;
  --quantum-font-size-organ: 18px;
  --quantum-font-size-organism: 20px;
  --quantum-font-size-system: 24px;
  --quantum-font-size-galaxy: 32px;
  --quantum-font-size-universe: 40px;
  --quantum-font-size-multiverse: 56px;
  --quantum-font-size-singularity: 72px;
  --quantum-font-size-black-hole: 96px;

  /* Font weights */
  --quantum-font-weight-thin: 100;
  --quantum-font-weight-extra-light: 200;
  --quantum-font-weight-light: 300;
  --quantum-font-weight-regular: 400;
  --quantum-font-weight-medium: 500;
  --quantum-font-weight-semi-bold: 600;
  --quantum-font-weight-bold: 700;
  --quantum-font-weight-extra-bold: 800;
  --quantum-font-weight-black: 900;

  /* Line heights */
  --quantum-line-height-quantum: 1;
  --quantum-line-height-atom: 1.2;
  --quantum-line-height-molecule: 1.3;
  --quantum-line-height-cell: 1.4;
  --quantum-line-height-organ: 1.5;
  --quantum-line-height-organism: 1.6;
  --quantum-line-height-system: 1.7;

  /* Letter spacing */
  --quantum-letter-spacing-tight: -0.05em;
  --quantum-letter-spacing-normal: -0.02em;
  --quantum-letter-spacing-wide: 0.05em;
  --quantum-letter-spacing-wider: 0.1em;

  /* Z-index layers */
  --quantum-z-quantum: -100;
  --quantum-z-atom: -10;
  --quantum-z-molecule: 0;
  --quantum-z-cell: 1;
  --quantum-z-organ: 10;
  --quantum-z-organism: 100;
  --quantum-z-system: 1000;
  --quantum-z-galaxy: 10000;
  --quantum-z-universe: 100000;
  --quantum-z-multiverse: 1000000;
  --quantum-z-singularity: 2147483647;

  /* Dynamic variables */
  --progress-width: 0%;
  --scroll-y: 0;
}

[data-theme="dark-2026"] {
  --quantum-background-primary: var(--quantum-black-hole);
  --quantum-background-secondary: var(--quantum-space);
  --quantum-background-tertiary: var(--quantum-nebula);
  --quantum-background-quaternary: var(--quantum-galaxy);
  --quantum-border-primary: rgba(255, 255, 255, 0.1);
  --quantum-border-secondary: rgba(255, 255, 255, 0.05);
  --quantum-border-tertiary: rgba(255, 255, 255, 0.02);
  --quantum-text-primary: var(--quantum-text-singularity);
  --quantum-text-secondary: var(--quantum-text-quasar);
  --quantum-text-tertiary: var(--quantum-text-pulsar);
  --quantum-text-inverse: var(--quantum-black-hole);
  --quantum-shadow-intensity: 0.8;
  --quantum-glass-opacity: 0.03;
}

[data-theme="light-2026"] {
  --quantum-background-primary: #f5f5f7;
  --quantum-background-secondary: #ffffff;
  --quantum-background-tertiary: #f0f0f2;
  --quantum-background-quaternary: #e8e8ea;
  --quantum-border-primary: rgba(0, 0, 0, 0.1);
  --quantum-border-secondary: rgba(0, 0, 0, 0.05);
  --quantum-border-tertiary: rgba(0, 0, 0, 0.02);
  --quantum-text-primary: #0a0a0f;
  --quantum-text-secondary: #1a1a22;
  --quantum-text-tertiary: #2a2a32;
  --quantum-text-inverse: #ffffff;
  --quantum-shadow-intensity: 0.2;
  --quantum-glass-opacity: 0.1;
}

/* ==========================================================================
   ANIMATIONS - 100+ keyframes for rich interactivity (ENHANCED)
   ========================================================================== */

@keyframes quantumEntanglement {
  0% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
  25% { transform: translateY(-20px) rotate(5deg) scale(1.1); opacity: 0.8; }
  50% { transform: translateY(0) rotate(-5deg) scale(0.9); opacity: 1; }
  75% { transform: translateY(10px) rotate(2deg) scale(1.05); opacity: 0.9; }
  100% { transform: translateY(0) rotate(0deg) scale(1); opacity: 1; }
}

@keyframes quantumSuperposition {
  0%, 100% { opacity: 1; transform: scale(1); }
  33% { opacity: 0.7; transform: scale(1.05); }
  66% { opacity: 0.9; transform: scale(0.95); }
}

@keyframes quantumTunnel {
  0% { transform: translateX(-100%) skewX(-15deg); opacity: 0; }
  70% { transform: translateX(20%) skewX(5deg); opacity: 1; }
  100% { transform: translateX(0) skewX(0deg); opacity: 1; }
}

@keyframes quantumCollapse {
  0% { transform: scale(0) rotate(180deg); opacity: 0; }
  70% { transform: scale(1.1) rotate(-10deg); opacity: 1; }
  100% { transform: scale(1) rotate(0deg); opacity: 1; }
}

@keyframes quantumOrbit {
  0% { transform: rotate(0deg) translateX(40px) rotate(0deg); }
  100% { transform: rotate(360deg) translateX(40px) rotate(-360deg); }
}

@keyframes quantumPulseWave {
  0% { box-shadow: 0 0 0 0 rgba(214, 178, 94, 0.7); }
  70% { box-shadow: 0 0 0 20px rgba(214, 178, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(214, 178, 94, 0); }
}

@keyframes quantumShimmer {
  0% { background-position: -1000px 0; }
  100% { background-position: 1000px 0; }
}

@keyframes quantumGradientShift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

@keyframes quantumNeonGlow {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(0, 243, 255, 0.7)); }
  50% { filter: drop-shadow(0 0 20px rgba(0, 243, 255, 0.9)) drop-shadow(0 0 40px rgba(0, 243, 255, 0.5)); }
}

@keyframes quantumGoldGlow {
  0%, 100% { filter: drop-shadow(0 0 5px rgba(214, 178, 94, 0.7)); }
  50% { filter: drop-shadow(0 0 20px rgba(214, 178, 94, 0.9)) drop-shadow(0 0 40px rgba(214, 178, 94, 0.5)); }
}

@keyframes quantumDataStream {
  0% { transform: translateY(-100%); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateY(1000%); opacity: 0; }
}

@keyframes quantumLoadingSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes quantumFloat {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-15px) rotate(0.5deg); }
  50% { transform: translateY(-25px) rotate(-0.5deg); }
  75% { transform: translateY(-10px) rotate(0.2deg); }
}

@keyframes quantumTypewriter {
  from { width: 0; }
  to { width: 100%; }
}

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

@keyframes quantumMatrixRain {
  0% { background-position: 0% 0%; }
  100% { background-position: 0% 100%; }
}

@keyframes quantumProgressFill {
  from { width: 0%; }
  to { width: var(--progress-width); }
}

@keyframes quantumFadeIn {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes quantumFadeOut {
  from { opacity: 1; transform: scale(1); }
  to { opacity: 0; transform: scale(0.95); }
}

@keyframes quantumSlideIn {
  from { transform: translateX(100%); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

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

@keyframes quantumScaleIn {
  from { transform: scale(0.8); opacity: 0; }
  to { transform: scale(1); opacity: 1; }
}

@keyframes quantumScaleOut {
  from { transform: scale(1); opacity: 1; }
  to { transform: scale(0.8); opacity: 0; }
}

@keyframes quantumRotateIn {
  from { transform: rotate(-180deg) scale(0.5); opacity: 0; }
  to { transform: rotate(0) scale(1); opacity: 1; }
}

@keyframes quantumRipple {
  0% { transform: scale(1); opacity: 1; }
  100% { transform: scale(2); opacity: 0; }
}

@keyframes quantumShake {
  0%, 100% { transform: translateX(0); }
  10%, 30%, 50%, 70%, 90% { transform: translateX(-5px); }
  20%, 40%, 60%, 80% { transform: translateX(5px); }
}

@keyframes quantumSpin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes quantumPulse {
  0% { transform: scale(1); }
  50% { transform: scale(1.05); }
  100% { transform: scale(1); }
}

@keyframes quantumGlow {
  0% { box-shadow: 0 0 5px var(--quantum-gold-glow); }
  50% { box-shadow: 0 0 20px var(--quantum-gold-core), 0 0 40px var(--quantum-gold-glow); }
  100% { box-shadow: 0 0 5px var(--quantum-gold-glow); }
}

@keyframes quantumBorderPulse {
  0% { border-color: var(--quantum-gold-core); }
  50% { border-color: var(--quantum-neon-cyan); }
  100% { border-color: var(--quantum-gold-core); }
}

@keyframes quantumBackgroundPulse {
  0% { background-color: rgba(214, 178, 94, 0.1); }
  50% { background-color: rgba(0, 243, 255, 0.1); }
  100% { background-color: rgba(214, 178, 94, 0.1); }
}

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

@keyframes quantumTwinkle {
  0%, 100% { opacity: 0.2; }
  50% { opacity: 1; }
}

@keyframes quantumMeteor {
  0% { transform: translateX(-100%) translateY(-100%) rotate(45deg); opacity: 0; }
  10% { opacity: 1; }
  90% { opacity: 1; }
  100% { transform: translateX(200%) translateY(200%) rotate(45deg); opacity: 0; }
}

@keyframes quantumAurora {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* Additional animations from styles.css */
@keyframes hologram-scan {
  0% { transform: translateX(-100%) rotate(45deg); }
  100% { transform: translateX(100%) rotate(45deg); }
}

@keyframes step-glow {
  0%, 100% { filter: drop-shadow(0 0 5px var(--quantum-neon-cyan)); }
  50% { filter: drop-shadow(0 0 15px var(--quantum-neon-cyan)); }
}

@keyframes progress-pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.8; box-shadow: 0 0 10px var(--quantum-neon-cyan); }
}

@keyframes quantum-spin-slow {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

@keyframes quantum-gradient-shift {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}

/* TYPING INDICATOR ANIMATION */
@keyframes typingPulse {
    0%, 60%, 100% { opacity: 0.3; transform: translateY(0); }
    30% { opacity: 1; transform: translateY(-4px); }
}

/* ==========================================================================
   BASE STYLES
   ========================================================================== */

*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  -webkit-tap-highlight-color: transparent;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: calc(var(--quantum-header-height) + var(--quantum-space-cell));
  overflow-x: hidden;
  font-size: 16px;
}

body {
  font-family: var(--quantum-font-primary);
  background: 
    var(--quantum-gradient-radial-space),
    var(--quantum-gradient-radial-nebula),
    linear-gradient(180deg, var(--quantum-background-primary) 0%, var(--quantum-background-secondary) 30%, var(--quantum-background-tertiary) 100%);
  color: var(--quantum-text-primary);
  min-height: 100vh;
  overflow-x: hidden;
  position: relative;
  line-height: var(--quantum-line-height-organ);
  transition: background-color var(--quantum-transition-cell);
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: 
    radial-gradient(circle at 20% 50%, rgba(214, 178, 94, 0.05) 0%, transparent 50%),
    radial-gradient(circle at 80% 20%, rgba(0, 243, 255, 0.03) 0%, transparent 50%),
    var(--quantum-gradient-diagonal-grid);
  pointer-events: none;
  z-index: var(--quantum-z-quantum);
  animation: quantumMatrixRain 20s linear infinite;
}

/* Optional background layers from styles.css */
.quantum-bg {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: radial-gradient(circle at 20% 50%, rgba(0,243,255,0.05) 0%, transparent 50%),
              radial-gradient(circle at 80% 80%, rgba(157,0,255,0.05) 0%, transparent 50%);
  pointer-events: none;
  z-index: -2;
}

.quantum-grid {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(0,243,255,0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0,243,255,0.03) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
  z-index: -1;
}

.scanline {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 10px;
  background: linear-gradient(to bottom, transparent, rgba(0,243,255,0.2), transparent);
  animation: scan 8s linear infinite;
  pointer-events: none;
  z-index: 1;
  opacity: 0.3;
}

@keyframes scan {
  0% { top: -10px; }
  100% { top: 100%; }
}

.binary-rain {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: -1;
  opacity: 0.15;
  background: repeating-linear-gradient(
    90deg,
    transparent,
    transparent 2px,
    rgba(0, 243, 255, 0.1) 2px,
    rgba(0, 243, 255, 0.1) 4px
  );
  animation: binary-fall 20s linear infinite;
}

@keyframes binary-fall {
  from { background-position: 0 0; }
  to { background-position: 0 100%; }
}

/* ==========================================================================
   TYPOGRAPHY (expanded)
   ========================================================================== */

h1, .quantum-h1 {
  font-size: var(--quantum-font-size-singularity);
  font-weight: var(--quantum-font-weight-black);
  line-height: var(--quantum-line-height-atom);
  letter-spacing: var(--quantum-letter-spacing-tight);
  margin-bottom: var(--quantum-space-galaxy);
  background: var(--quantum-gradient-gold-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}

h1::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 0;
  width: 100px;
  height: 4px;
  background: var(--quantum-gradient-gold-horizontal);
  border-radius: var(--quantum-radius-singularity);
}

h2, .quantum-h2 {
  font-size: var(--quantum-font-size-universe);
  font-weight: var(--quantum-font-weight-bold);
  line-height: var(--quantum-line-height-atom);
  letter-spacing: var(--quantum-letter-spacing-tight);
  margin-bottom: var(--quantum-space-system);
  color: var(--quantum-text-primary);
}

h2::after {
  content: '';
  display: block;
  width: 80px;
  height: 3px;
  background: var(--quantum-gradient-gold-horizontal);
  margin-top: var(--quantum-space-cell);
  border-radius: var(--quantum-radius-singularity);
}

h3, .quantum-h3 {
  font-size: var(--quantum-font-size-galaxy);
  font-weight: var(--quantum-font-weight-semi-bold);
  line-height: var(--quantum-line-height-molecule);
  letter-spacing: var(--quantum-letter-spacing-normal);
  margin-bottom: var(--quantum-space-organism);
  color: var(--quantum-text-secondary);
}

h4, .quantum-h4 {
  font-size: var(--quantum-font-size-system);
  font-weight: var(--quantum-font-weight-medium);
  line-height: var(--quantum-line-height-cell);
  margin-bottom: var(--quantum-space-cell);
  color: var(--quantum-text-primary);
}

p {
  margin-bottom: var(--quantum-space-cell);
  color: var(--quantum-text-secondary);
}

a {
  color: var(--quantum-gold-core);
  text-decoration: none;
  transition: var(--quantum-transition-atom);
}

a:hover {
  color: var(--quantum-gold-fusion);
  text-decoration: underline;
}

/* ==========================================================================
   SCROLLBAR (enhanced)
   ========================================================================== */

::-webkit-scrollbar {
  width: 16px;
  height: 16px;
}

::-webkit-scrollbar-track {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--quantum-radius-singularity);
  border: 1px solid rgba(255, 255, 255, 0.05);
}

::-webkit-scrollbar-thumb {
  background: var(--quantum-gradient-gold-diagonal);
  border-radius: var(--quantum-radius-singularity);
  border: 3px solid var(--quantum-background-secondary);
  transition: var(--quantum-transition-cell);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--quantum-gradient-gold-hover);
  border-color: var(--quantum-background-tertiary);
}

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

/* ==========================================================================
   UTILITIES (expanded)
   ========================================================================== */

.quantum-container {
  max-width: var(--quantum-max-width);
  margin: 0 auto;
  padding: 0 var(--quantum-container-padding);
}

.quantum-glass {
  background: rgba(255, 255, 255, var(--quantum-glass-opacity));
  backdrop-filter: var(--quantum-glass-blur);
  -webkit-backdrop-filter: var(--quantum-glass-blur);
  border: 1px solid var(--quantum-border-primary);
  border-radius: var(--quantum-radius-organ);
}

.quantum-glass-heavy {
  background: rgba(255, 255, 255, calc(var(--quantum-glass-opacity) * 2));
  backdrop-filter: var(--quantum-glass-blur-heavy);
  -webkit-backdrop-filter: var(--quantum-glass-blur-heavy);
  border: 1px solid var(--quantum-border-primary);
}

.quantum-glass-extreme {
  background: rgba(255, 255, 255, calc(var(--quantum-glass-opacity) * 3));
  backdrop-filter: var(--quantum-glass-blur-extreme);
  -webkit-backdrop-filter: var(--quantum-glass-blur-extreme);
  border: 1px solid var(--quantum-border-primary);
}

.text-gold-gradient {
  background: var(--quantum-gradient-gold-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-neon-gradient {
  background: var(--quantum-gradient-neon-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-justify { text-align: justify; }

.mt-1 { margin-top: var(--quantum-space-molecule); }
.mt-2 { margin-top: var(--quantum-space-cell); }
.mt-3 { margin-top: var(--quantum-space-organ); }
.mt-4 { margin-top: var(--quantum-space-organism); }
.mt-5 { margin-top: var(--quantum-space-system); }
.mt-6 { margin-top: var(--quantum-space-galaxy); }

.mb-1 { margin-bottom: var(--quantum-space-molecule); }
.mb-2 { margin-bottom: var(--quantum-space-cell); }
.mb-3 { margin-bottom: var(--quantum-space-organ); }
.mb-4 { margin-bottom: var(--quantum-space-organism); }
.mb-5 { margin-bottom: var(--quantum-space-system); }
.mb-6 { margin-bottom: var(--quantum-space-galaxy); }

.p-1 { padding: var(--quantum-space-molecule); }
.p-2 { padding: var(--quantum-space-cell); }
.p-3 { padding: var(--quantum-space-organ); }
.p-4 { padding: var(--quantum-space-organism); }
.p-5 { padding: var(--quantum-space-system); }
.p-6 { padding: var(--quantum-space-galaxy); }

.w-100 { width: 100%; }
.h-100 { height: 100%; }

.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-1 { gap: var(--quantum-space-molecule); }
.gap-2 { gap: var(--quantum-space-cell); }
.gap-3 { gap: var(--quantum-space-organ); }
.gap-4 { gap: var(--quantum-space-organism); }

.grid { display: grid; }
.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); }

.rounded-sm { border-radius: var(--quantum-radius-molecule); }
.rounded-md { border-radius: var(--quantum-radius-cell); }
.rounded-lg { border-radius: var(--quantum-radius-organ); }
.rounded-xl { border-radius: var(--quantum-radius-system); }
.rounded-full { border-radius: var(--quantum-radius-singularity); }

/* ==========================================================================
   BUTTON SYSTEM (expanded)
   ========================================================================== */

.quantum-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--quantum-space-molecule);
  padding: var(--quantum-space-cell) var(--quantum-space-system);
  border-radius: var(--quantum-radius-cell);
  font-family: var(--quantum-font-primary);
  font-weight: var(--quantum-font-weight-semi-bold);
  font-size: var(--quantum-font-size-cell);
  line-height: var(--quantum-line-height-quantum);
  border: none;
  cursor: pointer;
  transition: var(--quantum-transition-cell);
  position: relative;
  overflow: hidden;
  text-decoration: none;
  outline: none;
  user-select: none;
  text-align: center;
  white-space: nowrap;
  box-shadow: var(--quantum-shadow-molecule);
}

.quantum-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.2), transparent);
  transition: var(--quantum-transition-organ);
}

.quantum-btn:hover::before {
  left: 100%;
}

.quantum-btn:active {
  transform: translateY(2px);
  box-shadow: var(--quantum-shadow-atom);
}

.quantum-btn:focus-visible {
  outline: 2px solid var(--quantum-gold-core);
  outline-offset: 2px;
}

.quantum-btn-primary {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
  box-shadow: var(--quantum-shadow-gold-molecule);
}

.quantum-btn-primary:hover {
  background: var(--quantum-gradient-gold-hover);
  transform: translateY(-2px);
  box-shadow: var(--quantum-shadow-gold-cell);
}

.quantum-btn-secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
}

.quantum-btn-secondary:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--quantum-gold-core);
  transform: translateY(-2px);
  box-shadow: var(--quantum-shadow-molecule);
}

.quantum-btn-danger {
  background: var(--quantum-danger-neutron);
  color: var(--quantum-text-singularity);
}

.quantum-btn-danger:hover {
  background: var(--quantum-danger-proton);
  transform: translateY(-2px);
}

.quantum-btn-success {
  background: var(--quantum-success-quark);
  color: var(--quantum-black-hole);
}

.quantum-btn-success:hover {
  background: var(--quantum-success-boson);
}

.quantum-btn-warning {
  background: var(--quantum-warning-photon);
  color: var(--quantum-black-hole);
}

.quantum-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.quantum-btn-lg {
  padding: var(--quantum-space-organ) var(--quantum-space-galaxy);
  font-size: var(--quantum-font-size-organ);
}

.quantum-btn-sm {
  padding: var(--quantum-space-molecule) var(--quantum-space-cell);
  font-size: var(--quantum-font-size-molecule);
}

.quantum-btn-block {
  width: 100%;
}

/* Alias for backward compatibility with styles.css */
.quantum-button {
  composes: quantum-btn;
}

.quantum-button.secondary {
  background: transparent;
  border: 2px solid var(--quantum-neon-cyan);
  color: var(--quantum-neon-cyan);
}

.quantum-button.secondary:hover {
  background: rgba(0, 243, 255, 0.1);
}

/* ==========================================================================
   OFFLINE BANNER
   ========================================================================== */

.offline-banner {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  background: #ff3860;
  color: white;
  text-align: center;
  padding: 12px;
  z-index: 1000000;
  font-weight: bold;
  transform: translateY(-100%);
  transition: transform 0.3s;
  box-shadow: 0 2px 10px rgba(0,0,0,0.3);
}

.offline-banner.show {
  transform: translateY(0);
}

/* ==========================================================================
   SPLASH SCREEN (expanded)
   ========================================================================== */

#quantumSplashScreen {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: var(--quantum-background-primary);
  z-index: var(--quantum-z-singularity);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity var(--quantum-transition-organ), visibility var(--quantum-transition-organ);
  opacity: 1;
  visibility: visible;
  animation: quantumFadeIn 0.5s ease;
}

#quantumSplashScreen.fade-out {
  animation: quantumFadeOut 1.2s ease forwards !important;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
}

.splash-content {
  text-align: center;
  max-width: 800px;
  padding: var(--quantum-space-universe);
  animation: quantumTunnel 2s ease-out;
  position: relative;
}

.splash-logo {
  width: 200px;
  height: 200px;
  margin: 0 auto var(--quantum-space-universe);
  position: relative;
  animation: quantumEntanglement 6s ease-in-out infinite;
}

.splash-logo img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: var(--quantum-radius-system);
  filter: drop-shadow(0 0 20px var(--quantum-gold-glow));
  animation: quantumGoldGlow 5s ease-in-out infinite;
}

.splash-orbits {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  pointer-events: none;
}

.splash-orbit {
  position: absolute;
  width: 100%;
  height: 100%;
  border-radius: 50%;
  border: 1px solid rgba(214, 178, 94, 0.3);
  animation: quantumOrbit 15s linear infinite;
}

.splash-orbit:nth-child(2) {
  width: 80%;
  height: 80%;
  top: 10%;
  left: 10%;
  animation-duration: 20s;
  animation-direction: reverse;
}

.splash-orbit:nth-child(3) {
  width: 60%;
  height: 60%;
  top: 20%;
  left: 20%;
  animation-duration: 25s;
}

.splash-orbit:nth-child(4) {
  width: 40%;
  height: 40%;
  top: 30%;
  left: 30%;
  animation-duration: 30s;
  animation-direction: reverse;
}

.loading-progress {
  width: 400px;
  margin: 0 auto var(--quantum-space-universe);
  position: relative;
}

.progress-bar {
  width: 100%;
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: var(--quantum-radius-singularity);
  overflow: hidden;
  margin-bottom: var(--quantum-space-cell);
  position: relative;
}

.progress-bar::after {
  content: '';
  display: block;
  width: var(--progress-width, 0%);
  height: 100%;
  background: var(--quantum-gradient-gold-horizontal);
  border-radius: var(--quantum-radius-singularity);
  animation: quantumProgressFill 0.3s ease-out forwards;
  position: absolute;
  top: 0;
  left: 0;
  transition: width 0.3s ease;
}

.progress-bar::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(90deg, 
    transparent 0%, 
    rgba(255, 255, 255, 0.3) 50%, 
    transparent 100%);
  animation: quantumShimmer 2s infinite;
  opacity: 0.5;
}

.loading-text {
  font-size: var(--quantum-font-size-organ);
  color: var(--quantum-text-tertiary);
  font-family: var(--quantum-font-mono);
  letter-spacing: var(--quantum-letter-spacing-wide);
  text-transform: uppercase;
  position: relative;
  overflow: hidden;
  min-height: 1.5em;
  transition: color 0.3s ease;
}

.loading-text::after {
  content: '|';
  position: absolute;
  right: -8px;
  animation: quantumCursor 1s step-end infinite;
}

.splash-options {
  margin-top: var(--quantum-space-universe);
  animation: quantumFadeIn 0.5s ease 0.5s both;
  display: none;
}

.splash-title {
  font-size: var(--quantum-font-size-universe);
  font-weight: var(--quantum-font-weight-black);
  background: var(--quantum-gradient-gold-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--quantum-space-molecule);
  line-height: var(--quantum-line-height-atom);
  animation: quantumTypewriter 2.5s steps(40, end);
  overflow: hidden;
  white-space: nowrap;
}

.splash-subtitle {
  font-size: var(--quantum-font-size-system);
  color: var(--quantum-text-tertiary);
  margin-bottom: var(--quantum-space-universe);
  max-width: 600px;
  margin-left: auto;
  margin-right: auto;
  line-height: var(--quantum-line-height-organ);
}

.splash-buttons {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: var(--quantum-space-cell);
  margin-bottom: var(--quantum-space-universe);
}

.splash-btn {
  padding: var(--quantum-space-organ);
  border-radius: var(--quantum-radius-organ);
  font-weight: var(--quantum-font-weight-semi-bold);
  font-size: var(--quantum-font-size-organ);
  border: none;
  cursor: pointer;
  transition: var(--quantum-transition-cell);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--quantum-space-cell);
  position: relative;
  overflow: hidden;
  min-height: 72px;
}

.splash-btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.3), transparent);
  transition: var(--quantum-transition-organ);
}

.splash-btn:hover::before {
  left: 100%;
}

.splash-btn.primary {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
}

.splash-btn.secondary {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
}

.splash-btn:hover {
  transform: translateY(-4px);
  box-shadow: var(--quantum-shadow-organ);
}

.splash-stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--quantum-space-cell);
  margin-top: var(--quantum-space-universe);
  padding-top: var(--quantum-space-universe);
  border-top: 1px solid var(--quantum-border-secondary);
}

[data-quantum-state="initializing"] .quantum-main {
  opacity: 0;
  pointer-events: none;
}

[data-quantum-state="ready"] .quantum-main {
  opacity: 1;
  pointer-events: all;
  transition: opacity 0.5s ease;
}

/* ==========================================================================
   SEARCH SYSTEM (expanded)
   ========================================================================== */

.quantum-search-system {
  position: fixed;
  top: calc(var(--quantum-header-height) + 20px);
  left: 50%;
  transform: translateX(-50%);
  width: 90%;
  max-width: 800px;
  z-index: var(--quantum-z-galaxy);
  background: var(--quantum-background-secondary);
  border: 2px solid var(--quantum-border-primary);
  border-radius: var(--quantum-radius-organ);
  box-shadow: var(--quantum-shadow-galactic);
  padding: var(--quantum-space-cell);
  transition: all var(--quantum-transition-cell);
  animation: quantumCollapse 0.5s ease-out;
}

.search-container {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--quantum-radius-cell);
  padding: var(--quantum-space-cell);
  border: 1px solid var(--quantum-border-primary);
}

.search-icon {
  color: var(--quantum-gold-core);
  font-size: var(--quantum-font-size-organism);
  margin-right: var(--quantum-space-cell);
}

.search-input {
  flex: 1;
  background: transparent;
  border: none;
  color: var(--quantum-text-primary);
  font-family: var(--quantum-font-primary);
  font-size: var(--quantum-font-size-organ);
  outline: none;
  padding: var(--quantum-space-molecule);
  caret-color: var(--quantum-gold-core);
}

.search-input::placeholder {
  color: var(--quantum-text-tertiary);
}

.search-actions {
  display: flex;
  gap: var(--quantum-space-atom);
}

.search-action-btn {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-tertiary);
  width: 40px;
  height: 40px;
  border-radius: var(--quantum-radius-cell);
  display: grid;
  place-items: center;
  cursor: pointer;
  transition: var(--quantum-transition-atom);
  font-size: var(--quantum-font-size-cell);
}

.search-action-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--quantum-text-primary);
}

.search-action-btn.active {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
  border-color: transparent;
}

.search-results-panel {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  right: 0;
  background: var(--quantum-background-secondary);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-primary);
  box-shadow: var(--quantum-shadow-galactic);
  max-height: 500px;
  overflow-y: auto;
  z-index: var(--quantum-z-universe);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--quantum-transition-cell);
}

.search-results-panel.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.search-result-category {
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  font-size: var(--quantum-font-size-atom);
  color: var(--quantum-text-neutron);
  text-transform: uppercase;
  letter-spacing: var(--quantum-letter-spacing-wide);
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--quantum-border-secondary);
  position: sticky;
  top: 0;
  z-index: 1;
}

.search-result-item {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  cursor: pointer;
  transition: var(--quantum-transition-atom);
  border-bottom: 1px solid var(--quantum-border-secondary);
}

.search-result-item:hover {
  background: rgba(255, 255, 255, 0.03);
}

.search-result-image {
  width: 56px;
  height: 56px;
  border-radius: var(--quantum-radius-cell);
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(255, 255, 255, 0.05);
}

.search-result-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--quantum-transition-cell);
}

.search-result-item:hover .search-result-image img {
  transform: scale(1.1);
}

.search-result-content {
  flex: 1;
  min-width: 0;
}

.search-result-name {
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-atom);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.search-result-price {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-gold-core);
  font-weight: var(--quantum-font-weight-bold);
}

/* ==========================================================================
   HEADER (expanded with real logo)
   ========================================================================== */

.quantum-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--quantum-header-height);
  background: var(--quantum-surface);
  backdrop-filter: var(--quantum-glass-blur-heavy);
  -webkit-backdrop-filter: var(--quantum-glass-blur-heavy);
  border-bottom: 1px solid var(--quantum-border-primary);
  z-index: var(--quantum-z-galaxy);
  transition: var(--quantum-transition-cell);
}

.quantum-header.scrolled {
  height: var(--quantum-header-height-scrolled);
  background: rgba(10, 10, 15, 0.98);
  box-shadow: var(--quantum-shadow-cell);
}

.header-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  gap: var(--quantum-space-organism);
}

.quantum-brand {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  text-decoration: none;
  z-index: var(--quantum-z-cell);
}

.shield-logo {
  width: 64px;
  height: 64px;
  object-fit: contain;
  border-radius: var(--quantum-radius-cell);
  transition: var(--quantum-transition-cell);
  filter: drop-shadow(0 0 10px var(--quantum-gold-glow));
}

.shield-logo:hover {
  transform: rotate(5deg) scale(1.1);
  filter: drop-shadow(0 0 20px var(--quantum-gold-core));
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-name {
  font-size: var(--quantum-font-size-system);
  font-weight: var(--quantum-font-weight-black);
  background: var(--quantum-gradient-gold-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: var(--quantum-line-height-quantum);
}

.brand-tagline {
  font-size: var(--quantum-font-size-atom);
  color: var(--quantum-text-neutron);
  letter-spacing: var(--quantum-letter-spacing-wide);
  text-transform: uppercase;
  margin-top: var(--quantum-space-atom);
}

/* ==========================================================================
   NAVIGATION (expanded)
   ========================================================================== */

.quantum-nav {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
}

.nav-item {
  position: relative;
}

.nav-link {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  color: var(--quantum-text-primary);
  text-decoration: none;
  font-weight: var(--quantum-font-weight-medium);
  font-size: var(--quantum-font-size-organ);
  border-radius: var(--quantum-radius-cell);
  transition: var(--quantum-transition-atom);
  white-space: nowrap;
  position: relative;
}

.nav-link:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--quantum-gold-core);
}

.nav-link.active {
  background: rgba(214, 178, 94, 0.1);
  color: var(--quantum-gold-core);
}

.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 4px;
  background: var(--quantum-gold-core);
  border-radius: 50%;
}

.nav-dropdown {
  position: relative;
}

.nav-dropdown-content {
  position: absolute;
  top: calc(100% + 10px);
  left: 0;
  min-width: 280px;
  background: var(--quantum-background-secondary);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-primary);
  box-shadow: var(--quantum-shadow-galactic);
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: var(--quantum-transition-cell);
  z-index: var(--quantum-z-galaxy);
}

.nav-dropdown:hover .nav-dropdown-content {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.nav-dropdown-link {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  color: var(--quantum-text-primary);
  text-decoration: none;
  transition: var(--quantum-transition-atom);
}

.nav-dropdown-link:hover {
  background: rgba(255, 255, 255, 0.03);
  color: var(--quantum-gold-core);
}

.nav-cta {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
  padding: var(--quantum-space-cell) var(--quantum-space-galaxy);
  border-radius: var(--quantum-radius-cell);
  font-weight: var(--quantum-font-weight-bold);
  text-decoration: none;
  box-shadow: var(--quantum-shadow-gold-molecule);
  transition: var(--quantum-transition-cell);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
  white-space: nowrap;
}

.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: var(--quantum-shadow-gold-cell);
}

.nav-icons {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  margin-left: var(--quantum-space-cell);
}

.icon-btn {
  position: relative;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  display: grid;
  place-items: center;
  font-size: var(--quantum-font-size-organism);
  cursor: pointer;
  transition: var(--quantum-transition-atom);
  text-decoration: none;
}

.icon-btn:hover {
  background: rgba(214, 178, 94, 0.1);
  border-color: var(--quantum-gold-core);
  color: var(--quantum-gold-core);
}

.badge {
  position: absolute;
  top: -6px;
  right: -6px;
  min-width: 22px;
  height: 22px;
  padding: 0 5px;
  border-radius: 20px;
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
  font-size: 12px;
  font-weight: var(--quantum-font-weight-bold);
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--quantum-background-secondary);
}

.cart-count {
  composes: badge;
  /* additional specific styles if needed */
}

.mobile-menu-toggle {
  display: none;
  width: 56px;
  height: 56px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  cursor: pointer;
  transition: var(--quantum-transition-atom);
  place-items: center;
  font-size: var(--quantum-font-size-organism);
}

.mobile-menu-toggle:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--quantum-gold-core);
}

/* ==========================================================================
   CHECKOUT STEPS (from styles.css)
   ========================================================================== */

.checkout-steps {
  display: flex;
  justify-content: center;
  margin-bottom: 3rem;
  gap: 2rem;
}

.step {
  display: flex;
  flex-direction: column;
  align-items: center;
  opacity: 0.5;
  transition: var(--quantum-transition-cell);
}

.step.active {
  opacity: 1;
}

.step.completed {
  opacity: 0.8;
}

.step-number {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--quantum-surface);
  border: 2px solid var(--quantum-neon-cyan);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 0.5rem;
  font-weight: var(--quantum-font-weight-bold);
}

.step.active .step-number {
  background: var(--quantum-neon-cyan);
  color: var(--quantum-black-hole);
}

.step.completed .step-number {
  background: var(--quantum-success-quark);
  border-color: var(--quantum-success-quark);
  color: var(--quantum-black-hole);
}

.step-label {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

.nav-step {
  position: relative;
  overflow: hidden;
}

.nav-step::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  transition: left 0.5s ease;
}

.nav-step:hover::before {
  left: 100%;
}

.nav-step.active {
  animation: step-glow 2s ease infinite;
}

/* ==========================================================================
   FORM STYLES (Base & Enhanced)
   ========================================================================== */

.quantum-form {
  background: var(--quantum-surface);
  backdrop-filter: var(--quantum-glass-blur);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--quantum-radius-organ);
  padding: 2rem;
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--quantum-neon-cyan);
  font-weight: 500;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 0.75rem;
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 243, 255, 0.3);
  border-radius: var(--quantum-radius-cell);
  color: var(--quantum-text-primary);
  font-size: 1rem;
  transition: var(--quantum-transition-cell);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--quantum-neon-cyan);
  box-shadow: 0 0 10px rgba(0, 243, 255, 0.3);
}

.form-input, .form-select {
  background: rgba(10, 10, 15, 0.8);
  backdrop-filter: var(--quantum-glass-blur);
  border: 1px solid rgba(0, 243, 255, 0.3);
  transition: var(--quantum-transition-cell);
  position: relative;
  z-index: 1;
}

.form-input:focus, .form-select:focus {
  border-color: var(--quantum-neon-cyan);
  box-shadow: 
    0 0 0 2px rgba(0, 243, 255, 0.2),
    0 0 20px rgba(0, 243, 255, 0.4);
  transform: scale(1.02);
}

.form-input::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--quantum-neon-cyan), var(--quantum-gold-core), transparent);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.form-input:focus::after {
  transform: scaleX(1);
}

/* ==========================================================================
   SHIPPING & PAYMENT OPTIONS (from styles.css)
   ========================================================================== */

.shipping-options,
.payment-methods {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 1.5rem;
  margin: 2rem 0;
}

.shipping-option,
.payment-method {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--quantum-radius-cell);
  padding: 1.5rem;
  cursor: pointer;
  transition: var(--quantum-transition-cell);
}

.shipping-option:hover,
.payment-method:hover {
  border-color: var(--quantum-neon-cyan);
  transform: translateY(-2px);
}

.shipping-option.selected,
.payment-method.selected {
  border-color: var(--quantum-success-quark);
  box-shadow: 0 0 20px rgba(0, 255, 157, 0.2);
}

/* ==========================================================================
   HOLOGRAM CARD EFFECT (from styles.css)
   ========================================================================== */

.hologram-card {
  position: relative;
  overflow: hidden;
  transition: var(--quantum-transition-elastic);
}

.hologram-card::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(
    45deg,
    transparent,
    rgba(255, 255, 255, 0.03),
    rgba(0, 243, 255, 0.05),
    rgba(255, 215, 0, 0.05),
    transparent
  );
  transform: rotate(45deg);
  animation: hologram-scan 6s linear infinite;
  pointer-events: none;
}

.hologram-card:hover {
  transform: translateY(-5px) scale(1.02);
  box-shadow: 
    0 0 30px rgba(0, 243, 255, 0.3),
    0 0 60px rgba(255, 215, 0, 0.2);
}

/* ==========================================================================
   ORDER SUMMARY (from styles.css)
   ========================================================================== */

.order-summary {
  background: rgba(0, 0, 0, 0.3);
  border: 1px solid rgba(0, 243, 255, 0.2);
  border-radius: var(--quantum-radius-cell);
  padding: 1.5rem;
  margin-top: 2rem;
}

.summary-item {
  display: flex;
  gap: 1rem;
  padding: 1rem 0;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.summary-item:last-child {
  border-bottom: none;
}

.summary-item-image {
  width: 60px;
  height: 60px;
  border-radius: var(--quantum-radius-molecule);
  overflow: hidden;
}

.summary-item-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.summary-item-details {
  flex: 1;
}

.summary-item-name {
  font-weight: var(--quantum-font-weight-semi-bold);
  margin-bottom: 0.25rem;
}

.summary-item-specs {
  font-size: 0.9rem;
  opacity: 0.8;
}

.summary-item-price {
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-neon-cyan);
}

/* ==========================================================================
   PROGRESS BAR (general)
   ========================================================================== */

.progress-bar {
  height: 6px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 3px;
  overflow: hidden;
  position: relative;
}

.progress-fill {
  height: 100%;
  background: linear-gradient(90deg, var(--quantum-neon-cyan), var(--quantum-gold-core));
  position: relative;
  animation: progress-pulse 2s ease infinite;
}

/* ==========================================================================
   HERO SECTION (expanded)
   ========================================================================== */

.quantum-hero {
  padding-top: calc(var(--quantum-header-height) + var(--quantum-space-multiverse));
  padding-bottom: var(--quantum-space-multiverse);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 480px;
  gap: var(--quantum-space-universe);
  align-items: start;
}

.hero-content {
  position: relative;
  z-index: var(--quantum-z-cell);
}

.hero-title {
  font-size: var(--quantum-font-size-black-hole);
  line-height: var(--quantum-line-height-quantum);
  margin-bottom: var(--quantum-space-universe);
  position: relative;
}

.hero-title::after {
  content: '— Best Place to Buy Phones in Nigeria';
  display: block;
  font-size: var(--quantum-font-size-system);
  margin-top: var(--quantum-space-cell);
  color: var(--quantum-gold-fusion);
  font-weight: var(--quantum-font-weight-semi-bold);
  letter-spacing: var(--quantum-letter-spacing-wide);
  text-transform: uppercase;
}

.hero-subtitle {
  font-size: var(--quantum-font-size-galaxy);
  color: var(--quantum-text-secondary);
  margin-bottom: var(--quantum-space-universe);
  max-width: 800px;
  line-height: var(--quantum-line-height-organ);
}

.hero-features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--quantum-space-organism);
  margin: var(--quantum-space-universe) 0;
}

.hero-feature {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-organ);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-secondary);
  transition: var(--quantum-transition-cell);
}

.hero-feature:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--quantum-gold-core);
  transform: translateY(-4px);
}

.hero-feature-icon {
  width: 56px;
  height: 56px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(214, 178, 94, 0.1);
  display: grid;
  place-items: center;
  color: var(--quantum-gold-core);
  font-size: var(--quantum-font-size-organism);
  flex-shrink: 0;
}

.hero-feature-text {
  flex: 1;
  min-width: 0;
}

.hero-feature-title {
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-atom);
}

.hero-feature-desc {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-tertiary);
  line-height: var(--quantum-line-height-molecule);
}

.hero-stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--quantum-space-organism);
  margin-top: var(--quantum-space-universe);
}

.hero-stat {
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--quantum-radius-organ);
  padding: var(--quantum-space-organ);
  text-align: center;
  border: 1px solid var(--quantum-border-secondary);
  transition: var(--quantum-transition-cell);
  position: relative;
  overflow: hidden;
}

.hero-stat::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--quantum-gradient-gold-horizontal);
  opacity: 0;
  transition: var(--quantum-transition-cell);
}

.hero-stat:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--quantum-gold-core);
  transform: translateY(-4px);
}

.hero-stat:hover::before {
  opacity: 1;
}

.hero-stat-value {
  font-size: var(--quantum-font-size-universe);
  font-weight: var(--quantum-font-weight-black);
  color: var(--quantum-gold-core);
  line-height: var(--quantum-line-height-quantum);
  margin-bottom: var(--quantum-space-molecule);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--quantum-space-molecule);
}

.hero-stat-label {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-neutron);
  text-transform: uppercase;
  letter-spacing: var(--quantum-letter-spacing-wide);
}

.hero-actions {
  display: flex;
  gap: var(--quantum-space-cell);
  margin-top: var(--quantum-space-universe);
  flex-wrap: wrap;
}

/* ==========================================================================
   SIDEBAR (expanded)
   ========================================================================== */

.quantum-sidebar {
  position: sticky;
  top: calc(var(--quantum-header-height) + var(--quantum-space-organ));
  background: rgba(255, 255, 255, 0.02);
  backdrop-filter: var(--quantum-glass-blur);
  -webkit-backdrop-filter: var(--quantum-glass-blur);
  border-radius: var(--quantum-radius-system);
  border: 1px solid var(--quantum-border-primary);
  padding: var(--quantum-space-galaxy);
  box-shadow: var(--quantum-shadow-organ);
}

.sidebar-section {
  margin-bottom: var(--quantum-space-galaxy);
  padding-bottom: var(--quantum-space-galaxy);
  border-bottom: 1px solid var(--quantum-border-secondary);
}

.sidebar-section:last-child {
  margin-bottom: 0;
  padding-bottom: 0;
  border-bottom: none;
}

.sidebar-title {
  font-size: var(--quantum-font-size-organism);
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-organism);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
}

.sidebar-title i {
  color: var(--quantum-gold-core);
}

.contact-widget {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-organ);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-secondary);
  transition: var(--quantum-transition-atom);
  cursor: pointer;
}

.contact-widget:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--quantum-gold-core);
}

.contact-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--quantum-radius-cell);
  background: var(--quantum-gradient-gold-diagonal);
  display: grid;
  place-items: center;
  color: var(--quantum-black-hole);
  font-weight: var(--quantum-font-weight-bold);
  font-size: var(--quantum-font-size-organism);
  flex-shrink: 0;
}

.contact-info {
  flex: 1;
  min-width: 0;
}

.contact-label {
  font-size: var(--quantum-font-size-atom);
  color: var(--quantum-text-neutron);
  text-transform: uppercase;
  letter-spacing: var(--quantum-letter-spacing-wide);
  margin-bottom: var(--quantum-space-atom);
}

.contact-value {
  font-size: var(--quantum-font-size-organ);
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  word-break: break-word;
}

.features-list {
  list-style: none;
}

.features-list li {
  margin-bottom: var(--quantum-space-cell);
  display: flex;
  align-items: flex-start;
  gap: var(--quantum-space-cell);
  color: var(--quantum-text-tertiary);
  line-height: var(--quantum-line-height-organ);
}

.features-list li::before {
  content: '✓';
  color: var(--quantum-gold-core);
  font-weight: var(--quantum-font-weight-bold);
  flex-shrink: 0;
  margin-top: 2px;
}

.quick-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--quantum-space-cell);
}

.quick-link {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-organ);
  background: rgba(255, 255, 255, 0.03);
  border-radius: var(--quantum-radius-cell);
  color: var(--quantum-text-primary);
  text-decoration: none;
  font-size: var(--quantum-font-size-cell);
  transition: var(--quantum-transition-atom);
}

.quick-link:hover {
  background: rgba(255, 255, 255, 0.05);
  color: var(--quantum-gold-core);
}

.quick-link i {
  color: var(--quantum-gold-core);
}

/* ==========================================================================
   ENTERPRISE SOLUTIONS SECTION (expanded)
   ========================================================================== */

.quantum-enterprise {
  padding: var(--quantum-space-multiverse) 0;
  background: rgba(0,0,0,0.5);
  position: relative;
  overflow: hidden;
}

.enterprise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: var(--quantum-space-galaxy);
  margin-top: var(--quantum-space-galaxy);
}

.enterprise-card {
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--quantum-border-secondary);
  border-radius: var(--quantum-radius-system);
  padding: var(--quantum-space-galaxy);
  transition: var(--quantum-transition-cell);
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.enterprise-card:hover {
  border-color: var(--quantum-gold-core);
  transform: translateY(-8px);
  box-shadow: var(--quantum-shadow-galactic);
}

.enterprise-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--quantum-gradient-gold-horizontal);
  opacity: 0;
  transition: opacity 0.3s;
}

.enterprise-card:hover::before {
  opacity: 1;
}

.enterprise-icon {
  width: 80px;
  height: 80px;
  background: rgba(214,178,94,0.1);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--quantum-space-organ);
  color: var(--quantum-gold-core);
  font-size: 36px;
}

.enterprise-card h3 {
  font-size: var(--quantum-font-size-galaxy);
  margin-bottom: var(--quantum-space-cell);
}

.enterprise-features {
  list-style: none;
  margin: var(--quantum-space-organ) 0;
}

.enterprise-features li {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
  margin-bottom: var(--quantum-space-molecule);
  color: var(--quantum-text-tertiary);
}

.enterprise-features li i {
  color: var(--quantum-success-quark);
}

/* ==========================================================================
   PRODUCTS SECTION (expanded)
   ========================================================================== */

.quantum-products-section {
  padding: var(--quantum-space-multiverse) 0;
  position: relative;
}

.section-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  margin-bottom: var(--quantum-space-galaxy);
  flex-wrap: wrap;
  gap: var(--quantum-space-cell);
}

.section-title {
  font-size: var(--quantum-font-size-universe);
  color: var(--quantum-gold-core);
  line-height: var(--quantum-line-height-quantum);
  position: relative;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 80px;
  height: 4px;
  background: var(--quantum-gradient-gold-horizontal);
  border-radius: var(--quantum-radius-singularity);
}

.section-subtitle {
  font-size: var(--quantum-font-size-organism);
  color: var(--quantum-text-tertiary);
  margin-top: var(--quantum-space-cell);
  max-width: 600px;
}

.section-controls {
  display: flex;
  gap: var(--quantum-space-cell);
  align-items: center;
  flex-wrap: wrap;
}

.view-all-btn {
  color: var(--quantum-gold-core);
  text-decoration: none;
  font-weight: var(--quantum-font-weight-semi-bold);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
  transition: var(--quantum-transition-cell);
}

.view-all-btn:hover {
  gap: var(--quantum-space-cell);
}

.products-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--quantum-space-cell);
  margin-bottom: var(--quantum-space-galaxy);
  padding: var(--quantum-space-organ);
  background: rgba(255, 255, 255, 0.02);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-secondary);
}

.filter-btn {
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  border-radius: var(--quantum-radius-cell);
  font-family: var(--quantum-font-primary);
  font-size: var(--quantum-font-size-cell);
  font-weight: var(--quantum-font-weight-medium);
  cursor: pointer;
  transition: var(--quantum-transition-cell);
  white-space: nowrap;
}

.filter-btn:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--quantum-gold-core);
}

.filter-btn.active {
  background: rgba(214, 178, 94, 0.1);
  border-color: var(--quantum-gold-core);
  color: var(--quantum-gold-core);
  box-shadow: var(--quantum-shadow-gold-molecule);
}

.products-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(360px, 1fr));
  gap: var(--quantum-space-organism);
}

.product-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--quantum-border-secondary);
  border-radius: var(--quantum-radius-system);
  padding: var(--quantum-space-organ);
  transition: var(--quantum-transition-cell);
  position: relative;
  overflow: hidden;
  animation: quantumTunnel var(--quantum-duration-cell) ease backwards;
}

.product-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--quantum-gradient-gold-horizontal);
  opacity: 0;
  transition: var(--quantum-transition-cell);
}

.product-card:hover {
  background: rgba(255, 255, 255, 0.04);
  border-color: var(--quantum-gold-core);
  transform: translateY(-8px);
  box-shadow: var(--quantum-shadow-galactic);
}

.product-card:hover::before {
  opacity: 1;
}

.product-badge {
  position: absolute;
  top: var(--quantum-space-organ);
  right: var(--quantum-space-organ);
  padding: var(--quantum-space-molecule) var(--quantum-space-cell);
  border-radius: var(--quantum-radius-singularity);
  font-size: var(--quantum-font-size-atom);
  font-weight: var(--quantum-font-weight-bold);
  letter-spacing: var(--quantum-letter-spacing-wide);
  text-transform: uppercase;
  z-index: var(--quantum-z-cell);
  box-shadow: var(--quantum-shadow-molecule);
}

.product-badge.new {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
}

.product-badge.discount {
  background: var(--quantum-success-quark);
  color: var(--quantum-black-hole);
}

.product-badge.reseller {
  background: var(--quantum-gradient-neon-diagonal);
  color: var(--quantum-black-hole);
}

.product-badge.limited {
  background: var(--quantum-danger-neutron);
  color: var(--quantum-text-singularity);
}

.product-image {
  width: 100%;
  aspect-ratio: 4/3;
  border-radius: var(--quantum-radius-organ);
  overflow: hidden;
  margin-bottom: var(--quantum-space-organ);
  position: relative;
  background: rgba(255, 255, 255, 0.02);
}

.product-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--quantum-transition-organ);
}

.product-card:hover .product-image img {
  transform: scale(1.1);
}

.product-category {
  font-size: var(--quantum-font-size-atom);
  color: var(--quantum-text-neutron);
  text-transform: uppercase;
  letter-spacing: var(--quantum-letter-spacing-wide);
  margin-bottom: var(--quantum-space-atom);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-molecule);
}

.product-category::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--quantum-gold-core);
}

.product-name {
  font-size: var(--quantum-font-size-galaxy);
  font-weight: var(--quantum-font-weight-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-cell);
  line-height: var(--quantum-line-height-molecule);
}

.product-description {
  font-size: var(--quantum-font-size-organ);
  color: var(--quantum-text-tertiary);
  margin-bottom: var(--quantum-space-organ);
  line-height: var(--quantum-line-height-organ);
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.product-price {
  display: flex;
  align-items: baseline;
  gap: var(--quantum-space-cell);
  margin-bottom: var(--quantum-space-organ);
  flex-wrap: wrap;
}

.price-current {
  font-size: var(--quantum-font-size-galaxy);
  font-weight: var(--quantum-font-weight-black);
  color: var(--quantum-gold-core);
}

.price-original {
  font-size: var(--quantum-font-size-organism);
  color: var(--quantum-text-neutron);
  text-decoration: line-through;
}

.price-wholesale {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-neon-cyan);
  background: rgba(0, 243, 255, 0.1);
  padding: var(--quantum-space-molecule) var(--quantum-space-cell);
  border-radius: var(--quantum-radius-singularity);
  font-weight: var(--quantum-font-weight-semi-bold);
  display: none;
}

body.reseller-logged-in .price-wholesale {
  display: inline-block;
}

.stock-status {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  margin-bottom: var(--quantum-space-organ);
  padding-bottom: var(--quantum-space-organ);
  border-bottom: 1px solid var(--quantum-border-secondary);
}

.stock-indicator {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  animation: quantumPulseWave 2s infinite;
}

.stock-indicator.in-stock {
  background: var(--quantum-success-quark);
}

.stock-indicator.low-stock {
  background: var(--quantum-warning-photon);
}

.stock-indicator.out-of-stock {
  background: var(--quantum-danger-neutron);
}

.stock-text {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-tertiary);
}

.product-actions {
  display: flex;
  gap: var(--quantum-space-cell);
  flex-wrap: wrap;
  margin-top: var(--quantum-space-cell);
}

.product-actions .quantum-btn {
  flex: 1;
  min-width: 100px;
}

/* ==========================================================================
   REVIEWS SECTION (expanded)
   ========================================================================== */

.quantum-reviews-section {
  padding: var(--quantum-space-multiverse) 0;
  background: rgba(0, 0, 0, 0.3);
}

.reviews-container {
  max-width: 1200px;
  margin: 0 auto;
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: var(--quantum-space-organism);
  margin: var(--quantum-space-universe) 0;
}

.review-card {
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--quantum-border-primary);
  border-radius: var(--quantum-radius-organ);
  padding: var(--quantum-space-organ);
  transition: var(--quantum-transition-cell);
}

.review-card:hover {
  transform: translateY(-4px);
  border-color: var(--quantum-gold-core);
  box-shadow: var(--quantum-shadow-molecule);
}

.review-header {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  margin-bottom: var(--quantum-space-organ);
}

.review-avatar {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: var(--quantum-gradient-gold-diagonal);
  display: grid;
  place-items: center;
  font-weight: var(--quantum-font-weight-bold);
  color: var(--quantum-black-hole);
  font-size: var(--quantum-font-size-organism);
}

.review-info h4 {
  font-size: var(--quantum-font-size-organism);
  color: var(--quantum-text-primary);
  margin-bottom: 4px;
}

.review-rating {
  color: var(--quantum-gold-core);
  font-size: var(--quantum-font-size-cell);
}

.review-body {
  color: var(--quantum-text-secondary);
  line-height: 1.6;
  margin-bottom: var(--quantum-space-organ);
}

.review-images {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--quantum-space-molecule);
  margin-top: var(--quantum-space-cell);
}

.review-image {
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--quantum-radius-cell);
  overflow: hidden;
  background: rgba(255, 255, 255, 0.02);
}

.review-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.review-form-container {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--quantum-border-primary);
  border-radius: var(--quantum-radius-organ);
  padding: var(--quantum-space-galaxy);
  margin-top: var(--quantum-space-universe);
}

.form-group {
  margin-bottom: var(--quantum-space-organ);
}

.form-label {
  display: block;
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-molecule);
  font-weight: var(--quantum-font-weight-medium);
}

.quantum-input {
  width: 100%;
  padding: 12px 16px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  border-radius: var(--quantum-radius-cell);
  color: var(--quantum-text-primary);
  font-family: var(--quantum-font-primary);
  font-size: var(--quantum-font-size-cell);
  transition: var(--quantum-transition-cell);
}

.quantum-input:focus {
  outline: none;
  border-color: var(--quantum-gold-core);
  background: rgba(255, 255, 255, 0.08);
}

.quantum-input.error {
  border-color: var(--quantum-danger-neutron);
}

.quantum-input.success {
  border-color: var(--quantum-success-quark);
}

.rating-stars {
  display: flex;
  gap: 8px;
  margin-bottom: var(--quantum-space-organ);
}

.star-btn {
  background: none;
  border: none;
  color: var(--quantum-text-neutron);
  font-size: 24px;
  cursor: pointer;
  transition: var(--quantum-transition-cell);
}

.star-btn.active {
  color: var(--quantum-gold-core);
}

.image-upload-area {
  border: 2px dashed var(--quantum-border-primary);
  border-radius: var(--quantum-radius-organ);
  padding: var(--quantum-space-galaxy);
  text-align: center;
  cursor: pointer;
  transition: var(--quantum-transition-cell);
  margin-bottom: var(--quantum-space-organ);
}

.image-upload-area:hover {
  border-color: var(--quantum-gold-core);
  background: rgba(214, 178, 94, 0.05);
}

.upload-preview {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--quantum-space-molecule);
  margin-top: var(--quantum-space-organ);
}

.preview-image {
  position: relative;
  width: 100%;
  aspect-ratio: 1;
  border-radius: var(--quantum-radius-cell);
  overflow: hidden;
}

.preview-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.remove-image {
  position: absolute;
  top: 5px;
  right: 5px;
  width: 24px;
  height: 24px;
  background: rgba(255, 56, 96, 0.9);
  border: none;
  border-radius: 50%;
  color: white;
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: 12px;
}

/* ==========================================================================
   AI CHATBOT (expanded)
   ========================================================================== */

.quantum-ai-chatbot {
  position: fixed;
  bottom: calc(var(--quantum-space-galaxy) + 188px);
  right: var(--quantum-space-galaxy);
  width: 440px;
  height: 640px;
  background: var(--quantum-background-secondary);
  border-radius: var(--quantum-radius-system);
  border: 1px solid var(--quantum-border-primary);
  box-shadow: var(--quantum-shadow-galactic);
  z-index: var(--quantum-z-galaxy);
  display: flex;
  flex-direction: column;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px) scale(0.95);
  transition: var(--quantum-transition-organ);
}

.quantum-ai-chatbot.active {
  opacity: 1;
  visibility: visible;
  transform: translateY(0) scale(1);
}

.ai-header {
  padding: var(--quantum-space-organ);
  border-bottom: 1px solid var(--quantum-border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: var(--quantum-glass-blur);
  border-radius: var(--quantum-radius-system) var(--quantum-radius-system) 0 0;
}

.ai-title {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
}

.ai-icon {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--quantum-gradient-gold-diagonal);
  display: grid;
  place-items: center;
  color: var(--quantum-black-hole);
  font-weight: var(--quantum-font-weight-bold);
  font-size: var(--quantum-font-size-organism);
}

.ai-info {
  flex: 1;
  min-width: 0;
}

.ai-name {
  font-weight: var(--quantum-font-weight-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-atom);
}

.ai-status {
  font-size: var(--quantum-font-size-atom);
  color: var(--quantum-success-quark);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-atom);
}

.ai-status::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--quantum-success-quark);
  animation: quantumPulseWave 2s infinite;
}

.ai-close {
  width: 40px;
  height: 40px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: var(--quantum-transition-atom);
}

.ai-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--quantum-gold-core);
}

.ai-messages {
  flex: 1;
  overflow-y: auto;
  padding: var(--quantum-space-organ);
  display: flex;
  flex-direction: column;
  gap: var(--quantum-space-cell);
}

.ai-message {
  max-width: 80%;
  padding: var(--quantum-space-organ);
  border-radius: var(--quantum-radius-organ);
  font-size: var(--quantum-font-size-organ);
  line-height: var(--quantum-line-height-organ);
  animation: quantumTunnel var(--quantum-duration-atom) ease;
}

.ai-message.bot {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--quantum-border-secondary);
  color: var(--quantum-text-primary);
}

.ai-message.user {
  align-self: flex-end;
  background: rgba(214, 178, 94, 0.1);
  border: 1px solid rgba(214, 178, 94, 0.2);
  color: var(--quantum-text-primary);
}

.ai-message.system {
  align-self: center;
  background: rgba(50, 145, 255, 0.1);
  border: 1px solid rgba(50, 145, 255, 0.2);
  color: var(--quantum-info-electron);
  font-style: italic;
  max-width: 90%;
}

.ai-input-container {
  padding: var(--quantum-space-organ);
  border-top: 1px solid var(--quantum-border-primary);
  background: rgba(10, 10, 15, 0.95);
  backdrop-filter: var(--quantum-glass-blur);
  border-radius: 0 0 var(--quantum-radius-system) var(--quantum-radius-system);
}

.ai-input-wrapper {
  display: flex;
  gap: var(--quantum-space-cell);
}

.ai-input {
  flex: 1;
  padding: var(--quantum-space-organ) var(--quantum-space-galaxy);
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid var(--quantum-border-secondary);
  border-radius: var(--quantum-radius-organ);
  color: var(--quantum-text-primary);
  font-family: var(--quantum-font-primary);
  font-size: var(--quantum-font-size-organ);
  outline: none;
  transition: var(--quantum-transition-atom);
  caret-color: var(--quantum-gold-core);
}

.ai-input:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: var(--quantum-gold-core);
}

.ai-send {
  width: 56px;
  height: 56px;
  border-radius: var(--quantum-radius-organ);
  background: var(--quantum-gradient-gold-diagonal);
  border: none;
  color: var(--quantum-black-hole);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: var(--quantum-font-size-organism);
  transition: var(--quantum-transition-cell);
}

.ai-send:hover {
  transform: scale(1.05);
  box-shadow: var(--quantum-shadow-gold-molecule);
}

.quantum-ai-toggle {
  position: fixed;
  bottom: var(--quantum-space-galaxy);
  right: calc(var(--quantum-space-galaxy) + 100px);
  width: 68px;
  height: 68px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: var(--quantum-glass-blur);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-neon-cyan);
  cursor: pointer;
  display: grid;
  place-items: center;
  font-size: var(--quantum-font-size-galaxy);
  z-index: var(--quantum-z-galaxy);
  transition: var(--quantum-transition-cell);
  box-shadow: var(--quantum-shadow-cell);
  animation: quantumFloat 6s ease-in-out infinite;
}

.quantum-ai-toggle:hover {
  background: rgba(0, 243, 255, 0.1);
  transform: scale(1.1);
  animation: quantumNeonGlow 2s ease-in-out infinite;
}

/* ==========================================================================
   NOTIFICATIONS (expanded)
   ========================================================================== */

.quantum-notification {
  position: fixed;
  top: calc(var(--quantum-header-height) + var(--quantum-space-organ));
  right: var(--quantum-space-galaxy);
  min-width: 320px;
  max-width: 440px;
  background: var(--quantum-background-secondary);
  border-radius: var(--quantum-radius-organ);
  border: 1px solid var(--quantum-border-primary);
  box-shadow: var(--quantum-shadow-galactic);
  padding: var(--quantum-space-organ);
  display: flex;
  align-items: flex-start;
  gap: var(--quantum-space-cell);
  z-index: var(--quantum-z-singularity);
  transform: translateX(100%);
  opacity: 0;
  transition: var(--quantum-transition-organ);
}

.quantum-notification.show {
  transform: translateX(0);
  opacity: 1;
}

.notification-icon {
  width: 48px;
  height: 48px;
  border-radius: var(--quantum-radius-cell);
  display: grid;
  place-items: center;
  font-size: var(--quantum-font-size-organism);
  flex-shrink: 0;
}

.notification-icon.success {
  background: rgba(0, 255, 157, 0.1);
  color: var(--quantum-success-quark);
}

.notification-icon.error {
  background: rgba(255, 56, 96, 0.1);
  color: var(--quantum-danger-neutron);
}

.notification-icon.info {
  background: rgba(50, 145, 255, 0.1);
  color: var(--quantum-info-electron);
}

.notification-icon.warning {
  background: rgba(255, 183, 77, 0.1);
  color: var(--quantum-warning-photon);
}

.notification-content {
  flex: 1;
  min-width: 0;
}

.notification-title {
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-atom);
}

.notification-message {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-tertiary);
  line-height: var(--quantum-line-height-organ);
}

.notification-close {
  width: 40px;
  height: 40px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-tertiary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: var(--quantum-transition-atom);
  flex-shrink: 0;
}

.notification-close:hover {
  background: rgba(255, 255, 255, 0.1);
  color: var(--quantum-text-primary);
}

/* ==========================================================================
   FOOTER (expanded)
   ========================================================================== */

.quantum-footer {
  background: var(--quantum-background-secondary);
  border-top: 1px solid var(--quantum-border-primary);
  padding: var(--quantum-space-multiverse) 0 var(--quantum-space-galaxy);
  position: relative;
}

.quantum-footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--quantum-gradient-gold-horizontal);
  opacity: 0.3;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--quantum-space-galaxy);
  margin-bottom: var(--quantum-space-multiverse);
}

.footer-brand {
  grid-column: 1 / -1;
}

.footer-logo {
  font-size: var(--quantum-font-size-galaxy);
  font-weight: var(--quantum-font-weight-black);
  background: var(--quantum-gradient-gold-diagonal);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  margin-bottom: var(--quantum-space-organism);
  display: inline-block;
}

.footer-description {
  font-size: var(--quantum-font-size-organ);
  color: var(--quantum-text-tertiary);
  line-height: var(--quantum-line-height-organ);
  margin-bottom: var(--quantum-space-organism);
  max-width: 440px;
}

.footer-heading {
  font-size: var(--quantum-font-size-organism);
  font-weight: var(--quantum-font-weight-semi-bold);
  color: var(--quantum-text-primary);
  margin-bottom: var(--quantum-space-organism);
  position: relative;
  padding-bottom: var(--quantum-space-cell);
}

.footer-heading::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 3px;
  background: var(--quantum-gradient-gold-horizontal);
  border-radius: var(--quantum-radius-singularity);
}

.footer-links {
  list-style: none;
}

.footer-links li {
  margin-bottom: var(--quantum-space-cell);
}

.footer-links a {
  color: var(--quantum-text-tertiary);
  text-decoration: none;
  transition: var(--quantum-transition-atom);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
}

.footer-links a:hover {
  color: var(--quantum-gold-core);
  transform: translateX(var(--quantum-space-molecule));
}

.footer-links a i {
  width: 20px;
  text-align: center;
  color: var(--quantum-gold-core);
}

.social-links {
  display: flex;
  gap: var(--quantum-space-cell);
  margin-top: var(--quantum-space-organism);
}

.social-link {
  width: 48px;
  height: 48px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  text-decoration: none;
  display: grid;
  place-items: center;
  font-size: var(--quantum-font-size-organism);
  transition: var(--quantum-transition-cell);
}

.social-link:hover {
  background: rgba(214, 178, 94, 0.1);
  border-color: var(--quantum-gold-core);
  color: var(--quantum-gold-core);
  transform: translateY(-4px);
}

.footer-bottom {
  padding-top: var(--quantum-space-galaxy);
  border-top: 1px solid var(--quantum-border-primary);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--quantum-space-cell);
}

.copyright {
  font-size: var(--quantum-font-size-cell);
  color: var(--quantum-text-neutron);
}

.footer-links-horizontal {
  display: flex;
  gap: var(--quantum-space-organ);
}

.footer-links-horizontal a {
  color: var(--quantum-text-neutron);
  text-decoration: none;
  font-size: var(--quantum-font-size-cell);
  transition: var(--quantum-transition-atom);
}

.footer-links-horizontal a:hover {
  color: var(--quantum-gold-core);
}

/* ==========================================================================
   MODALS (expanded)
   ========================================================================== */

.quantum-modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(20px);
  z-index: var(--quantum-z-singularity);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--quantum-space-organ);
  opacity: 0;
  visibility: hidden;
  transition: var(--quantum-transition-organ);
}

.quantum-modal-overlay.active {
  opacity: 1;
  visibility: visible;
}

.quantum-modal {
  background: var(--quantum-background-secondary);
  border-radius: var(--quantum-radius-system);
  border: 1px solid var(--quantum-border-primary);
  box-shadow: var(--quantum-shadow-galactic);
  max-width: 520px;
  width: 100%;
  max-height: 90vh;
  overflow-y: auto;
  transform: scale(0.9);
  opacity: 0;
  transition: var(--quantum-transition-organ);
}

.quantum-modal-overlay.active .quantum-modal {
  transform: scale(1);
  opacity: 1;
}

.modal-header {
  padding: var(--quantum-space-galaxy);
  border-bottom: 1px solid var(--quantum-border-primary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title {
  font-size: var(--quantum-font-size-system);
  color: var(--quantum-gold-core);
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
}

.modal-close {
  width: 48px;
  height: 48px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  cursor: pointer;
  display: grid;
  place-items: center;
  transition: var(--quantum-transition-atom);
}

.modal-close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: var(--quantum-gold-core);
}

.modal-content {
  padding: var(--quantum-space-galaxy);
}

.modal-footer {
  padding: var(--quantum-space-galaxy);
  border-top: 1px solid var(--quantum-border-primary);
  display: flex;
  gap: var(--quantum-space-cell);
}

/* ==========================================================================
   NEW FEATURE STYLES (expanded)
   ========================================================================== */

.model-viewer-container {
  width: 100%;
  height: 400px;
  background: #111;
  border-radius: var(--quantum-radius-organ);
  overflow: hidden;
  margin-bottom: var(--quantum-space-organ);
}

model-viewer {
  width: 100%;
  height: 100%;
  --poster-color: transparent;
}

.quantum-switchers {
  display: flex;
  gap: var(--quantum-space-molecule);
  margin-left: var(--quantum-space-cell);
}

.switcher-btn {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  padding: var(--quantum-space-molecule) var(--quantum-space-cell);
  border-radius: var(--quantum-radius-cell);
  font-size: var(--quantum-font-size-atom);
  cursor: pointer;
  transition: var(--quantum-transition-atom);
}

.switcher-btn:hover {
  border-color: var(--quantum-gold-core);
  background: rgba(214,178,94,0.1);
}

.blockchain-verified {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: rgba(0,243,255,0.1);
  color: var(--quantum-neon-cyan);
  padding: 4px 8px;
  border-radius: 20px;
  font-size: 12px;
  border: 1px solid rgba(0,243,255,0.3);
  margin-top: 8px;
  cursor: pointer;
  transition: var(--quantum-transition-atom);
}

.blockchain-verified:hover {
  background: rgba(0,243,255,0.2);
  border-color: var(--quantum-neon-cyan);
}

.live-visitors {
  position: fixed;
  bottom: var(--quantum-space-galaxy);
  left: var(--quantum-space-galaxy);
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(10px);
  padding: 8px 16px;
  border-radius: 40px;
  border: 1px solid var(--quantum-gold-core);
  color: var(--quantum-text-primary);
  font-size: 14px;
  z-index: var(--quantum-z-galaxy);
  display: flex;
  align-items: center;
  gap: 8px;
}

.live-dot {
  width: 10px;
  height: 10px;
  background: #00ff9d;
  border-radius: 50%;
  animation: quantumPulseWave 2s infinite;
}

.recent-sale-popup {
  position: fixed;
  bottom: var(--quantum-space-galaxy);
  left: var(--quantum-space-galaxy);
  background: rgba(20,20,30,0.9);
  backdrop-filter: blur(10px);
  border: 1px solid var(--quantum-gold-core);
  border-radius: 50px;
  padding: 8px 20px 8px 12px;
  color: var(--quantum-text-primary);
  font-size: 14px;
  z-index: var(--quantum-z-galaxy);
  display: flex;
  align-items: center;
  gap: 8px;
  animation: slideInLeft 0.5s;
  transform: translateX(-120%);
  transition: transform 0.5s;
}

.recent-sale-popup.show {
  transform: translateX(0);
}

.recent-sale-popup i {
  color: var(--quantum-success-quark);
}

.quantum-points {
  background: rgba(0,243,255,0.05);
  border: 1px solid var(--quantum-neon-cyan);
  border-radius: 40px;
  padding: 4px 12px;
  font-size: 14px;
  color: var(--quantum-neon-cyan);
  margin-left: var(--quantum-space-cell);
}

.admin-dashboard {
  position: fixed;
  top: 100px;
  right: 20px;
  width: 300px;
  background: rgba(0,0,0,0.9);
  border: 1px solid var(--quantum-gold-core);
  border-radius: var(--quantum-radius-organ);
  padding: var(--quantum-space-organ);
  z-index: var(--quantum-z-galaxy);
  display: none;
}

.admin-dashboard.active {
  display: block;
}

.sort-controls {
  display: flex;
  gap: var(--quantum-space-molecule);
  align-items: center;
}

.sort-select {
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  padding: 8px 16px;
  border-radius: var(--quantum-radius-cell);
  font-size: 14px;
  cursor: pointer;
  outline: none;
}

.sort-select option {
  background: #1a1a22;
}

.pagination {
  display: flex;
  justify-content: center;
  gap: var(--quantum-space-molecule);
  margin-top: var(--quantum-space-galaxy);
}

.page-btn {
  width: 44px;
  height: 44px;
  border-radius: var(--quantum-radius-cell);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--quantum-border-primary);
  color: var(--quantum-text-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--quantum-transition-atom);
}

.page-btn.active {
  background: var(--quantum-gradient-gold-diagonal);
  color: var(--quantum-black-hole);
  border-color: transparent;
}

.page-btn:hover:not(.active) {
  border-color: var(--quantum-gold-core);
}

.page-btn:disabled {
  opacity: 0.3;
  cursor: not-allowed;
}

/* ==========================================================================
   TYPING INDICATOR (added from integration)
   ========================================================================== */

.typing-indicator span {
    display: inline-block;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background-color: var(--quantum-gold-core);
    margin: 0 2px;
    animation: typingPulse 1.4s infinite;
}
.typing-indicator span:nth-child(2) { animation-delay: 0.2s; }
.typing-indicator span:nth-child(3) { animation-delay: 0.4s; }

/* ==========================================================================
   RESPONSIVE DESIGN (expanded)
   ========================================================================== */

@media (max-width: 1400px) {
  :root {
    --quantum-container-padding: var(--quantum-space-system);
  }
  .hero-title {
    font-size: var(--quantum-font-size-multiverse);
  }
}

@media (max-width: 1200px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .quantum-sidebar {
    position: static;
    margin-top: var(--quantum-space-galaxy);
  }
  .hero-features {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 992px) {
  .quantum-switchers {
    display: none;
  }
  .quantum-nav {
    display: none;
    position: fixed;
    top: var(--quantum-header-height);
    left: 0;
    right: 0;
    background: rgba(10,10,15,0.98);
    backdrop-filter: var(--quantum-glass-blur-heavy);
    border-bottom: 1px solid var(--quantum-border-primary);
    flex-direction: column;
    padding: var(--quantum-space-galaxy);
    max-height: calc(100vh - var(--quantum-header-height));
    overflow-y: auto;
  }
  .quantum-nav.active {
    display: flex;
  }
  .mobile-menu-toggle {
    display: grid;
  }
  .nav-item {
    width: 100%;
  }
  .nav-link {
    width: 100%;
    justify-content: space-between;
  }
  .nav-dropdown-content {
    position: static;
    opacity: 1;
    visibility: visible;
    transform: none;
    box-shadow: none;
    border: none;
    background: rgba(255,255,255,0.03);
    margin-top: var(--quantum-space-molecule);
    display: none;
  }
  .nav-dropdown:hover .nav-dropdown-content {
    display: block;
  }
  .hero-title {
    font-size: var(--quantum-font-size-universe);
  }
  .hero-features {
    grid-template-columns: 1fr;
  }
  .hero-stats {
    grid-template-columns: repeat(2, 1fr);
  }
  .products-grid {
    grid-template-columns: 1fr;
  }
  .quantum-ai-chatbot {
    width: 90%;
    right: 5%;
    left: 5%;
    height: 500px;
  }
  .quantum-ai-toggle {
    right: var(--quantum-space-galaxy);
  }
  .enterprise-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .hero-actions {
    flex-direction: column;
  }
  .hero-actions .quantum-btn {
    width: 100%;
  }
  .products-filter {
    overflow-x: auto;
    flex-wrap: nowrap;
    justify-content: flex-start;
  }
  .filter-btn {
    flex-shrink: 0;
  }
  .reviews-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
  .footer-links-horizontal {
    flex-wrap: wrap;
    justify-content: center;
  }
}

@media (max-width: 576px) {
  .quantum-container {
    padding: 0 var(--quantum-space-cell);
  }
  .hero-title {
    font-size: var(--quantum-font-size-galaxy);
  }
  .hero-title::after {
    font-size: var(--quantum-font-size-cell);
  }
  .hero-subtitle {
    font-size: var(--quantum-font-size-organ);
  }
  .section-title {
    font-size: var(--quantum-font-size-galaxy);
  }
  .product-card {
    padding: var(--quantum-space-cell);
  }
  .quantum-notification {
    min-width: 280px;
    right: var(--quantum-space-cell);
    left: var(--quantum-space-cell);
    max-width: none;
  }
  .loading-progress {
    width: 90%;
  }
}

/* ==========================================================================
   PRINT STYLES
   ========================================================================== */

@media print {
  .quantum-header,
  .quantum-footer,
  .quantum-ai-toggle,
  .quantum-ai-chatbot,
  .live-visitors,
  .recent-sale-popup,
  .quantum-notification,
  .offline-banner,
  .quantum-modal-overlay {
    display: none !important;
  }
  body {
    background: white;
    color: black;
  }
  a {
    color: black;
    text-decoration: underline;
  }
}

/* ==========================================================================
   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\:outline-none:focus {
  outline: none;
}

.focus\:ring-2:focus {
  outline: 2px solid var(--quantum-gold-core);
}

/* ===== NEW ULTRA FUTURISTIC FEATURES ===== */
.quantum-gamification {
  background: rgba(0,0,0,0.7);
  backdrop-filter: blur(20px);
  border: 1px solid var(--quantum-gold-core);
  border-radius: var(--quantum-radius-system);
  padding: var(--quantum-space-galaxy);
  margin: var(--quantum-space-galaxy) 0;
}

.gamification-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: var(--quantum-space-cell);
}

.stat-badge {
  text-align: center;
  padding: var(--quantum-space-organ);
  border-radius: var(--quantum-radius-organ);
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--quantum-border-primary);
}

.badge-value {
  font-size: var(--quantum-font-size-galaxy);
  color: var(--quantum-gold-core);
  font-weight: var(--quantum-font-weight-black);
}

.leaderboard {
  background: rgba(0,0,0,0.5);
  border-radius: var(--quantum-radius-organ);
  margin-top: var(--quantum-space-galaxy);
}

.leaderboard-item {
  display: flex;
  align-items: center;
  gap: var(--quantum-space-cell);
  padding: var(--quantum-space-cell) var(--quantum-space-organ);
  border-bottom: 1px solid var(--quantum-border-secondary);
}

.leaderboard-rank {
  font-size: var(--quantum-font-size-galaxy);
  color: var(--quantum-gold-core);
  font-weight: var(--quantum-font-weight-black);
  width: 50px;
}

.leaderboard-name {
  flex: 1;
  font-weight: var(--quantum-font-weight-semi-bold);
}

.leaderboard-points {
  color: var(--quantum-neon-cyan);
}

.quantum-live-bidding {
  background: rgba(0,243,255,0.05);
  border: 1px solid var(--quantum-neon-cyan);
  border-radius: var(--quantum-radius-system);
  padding: var(--quantum-space-galaxy);
  margin: var(--quantum-space-galaxy) 0;
}

.bid-timer {
  font-family: var(--quantum-font-mono);
  font-size: var(--quantum-font-size-galaxy);
  color: var(--quantum-danger-neutron);
  text-align: center;
}