/* NUEVO RETRO GLASSMORPHIC DESIGN SYSTEM */
/* Inspired by vintage wheel charts with ultra-modern glassmorphism */

@import url('https://fonts.googleapis.com/css2?family=Bebas+Neue&family=Oswald:wght@300;400;500;600;700&family=Barlow+Condensed:wght@300;400;500;600;700;800&family=Orbitron:wght@400;500;600;700;800;900&display=swap');

:root {
  /* Retro-Future Color Palette */
  --retro-blue: #4A90E2;
  --retro-teal: #50E3C2;
  --retro-pink: #FF6B9D;
  --retro-yellow: #FFC107;
  --retro-purple: #7B68EE;
  --retro-orange: #FF6B35;
  --retro-cream: #FFF8E1;
  --retro-navy: #1A237E;
  
  /* Glass Effects */
  --glass-white: rgba(255, 255, 255, 0.15);
  --glass-dark: rgba(0, 0, 0, 0.1);
  --glass-blur: 20px;
  --glass-border: rgba(255, 255, 255, 0.25);
  
  /* Gradients */
  --gradient-sunset: linear-gradient(135deg, #667eea 0%, #764ba2 25%, #f093fb 50%, #feca57 75%, #ff6b9d 100%);
  --gradient-ocean: linear-gradient(135deg, #667eea 0%, #4A90E2 25%, #50E3C2 50%, #48ceef 75%, #6f86d6 100%);
  --gradient-neon: linear-gradient(135deg, #f093fb 0%, #f5576c 25%, #ff6b9d 50%, #c44569 75%, #a8e063 100%);
  --gradient-chrome: linear-gradient(135deg, #e0e0e0 0%, #ffffff 25%, #e0e0e0 50%, #c0c0c0 75%, #e0e0e0 100%);
  
  /* Typography */
  --font-retro-display: 'Bebas Neue', impact, sans-serif;
  --font-retro-heading: 'Oswald', sans-serif;
  --font-retro-body: 'Barlow Condensed', sans-serif;
  --font-future: 'Orbitron', monospace;
  
  /* Spacing & Sizing */
  --wheel-size: min(500px, 80vw);
  --card-radius: 24px;
  --glass-radius: 20px;
  
  /* Shadows & Effects */
  --shadow-retro: 
    0 1px 1px rgba(0,0,0,0.08),
    0 2px 2px rgba(0,0,0,0.12),
    0 4px 4px rgba(0,0,0,0.16),
    0 8px 8px rgba(0,0,0,0.20);
  --shadow-neon: 0 0 40px rgba(102, 126, 234, 0.6);
  --shadow-glass: 
    0 8px 32px 0 rgba(31, 38, 135, 0.37),
    inset 0 0 0 1px rgba(255, 255, 255, 0.1);
}

/* Reset & Base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  font-size: 16px;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-retro-body);
  min-height: 100vh;
  background: 
    radial-gradient(ellipse at top left, var(--retro-blue) 0%, transparent 50%),
    radial-gradient(ellipse at top right, var(--retro-purple) 0%, transparent 50%),
    radial-gradient(ellipse at bottom left, var(--retro-pink) 0%, transparent 50%),
    radial-gradient(ellipse at bottom right, var(--retro-teal) 0%, transparent 50%),
    linear-gradient(180deg, #0F2027 0%, #203A43 50%, #2C5364 100%);
  color: white;
  overflow-x: hidden;
  position: relative;
}

/* Animated Retro Grid Background */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: 
    linear-gradient(rgba(255, 255, 255, 0.1) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255, 255, 255, 0.1) 1px, transparent 1px);
  background-size: 50px 50px;
  z-index: -2;
  animation: grid-move 20s linear infinite;
}

@keyframes grid-move {
  0% { transform: translate(0, 0); }
  100% { transform: translate(50px, 50px); }
}

/* Retro Scan Lines */
body::after {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.03) 2px,
    rgba(255, 255, 255, 0.03) 4px
  );
  z-index: -1;
  pointer-events: none;
  animation: scan-lines 8s linear infinite;
}

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

/* Glass Container */
.glass-container {
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  -webkit-backdrop-filter: blur(var(--glass-blur));
  border: 1px solid var(--glass-border);
  border-radius: var(--glass-radius);
  box-shadow: var(--shadow-glass);
  position: relative;
  overflow: hidden;
}

/* Chrome Effect for Borders */
.glass-container::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: var(--gradient-chrome);
  border-radius: var(--glass-radius);
  z-index: -1;
  opacity: 0.5;
  animation: chrome-shift 3s ease-in-out infinite;
}

@keyframes chrome-shift {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(1deg); }
}

/* Retro App Header */
.retro-header {
  padding: 2rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.retro-title {
  font-family: var(--font-retro-display);
  font-size: clamp(3rem, 8vw, 6rem);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  background: var(--gradient-chrome);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  text-shadow: 
    0 2px 10px rgba(255, 255, 255, 0.5),
    0 5px 20px rgba(102, 126, 234, 0.5);
  animation: title-glow 3s ease-in-out infinite;
  position: relative;
}

/* 3D Effect for Title */
.retro-title::before {
  content: attr(data-text);
  position: absolute;
  left: 3px;
  top: 3px;
  z-index: -1;
  background: linear-gradient(135deg, var(--retro-pink), var(--retro-purple));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  opacity: 0.5;
}

@keyframes title-glow {
  0%, 100% { 
    filter: brightness(1) drop-shadow(0 0 20px rgba(102, 126, 234, 0.5)); 
  }
  50% { 
    filter: brightness(1.2) drop-shadow(0 0 40px rgba(102, 126, 234, 0.8)); 
  }
}

.retro-subtitle {
  font-family: var(--font-future);
  font-size: 1.2rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--retro-teal);
  margin-top: 1rem;
  animation: pulse-glow 2s ease-in-out infinite;
}

@keyframes pulse-glow {
  0%, 100% { opacity: 0.7; }
  50% { opacity: 1; text-shadow: 0 0 20px currentColor; }
}

/* Circular Wheel Interface */
.wheel-container {
  width: var(--wheel-size);
  height: var(--wheel-size);
  margin: 3rem auto;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.generation-wheel {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  border: 3px solid var(--glass-border);
  box-shadow: 
    var(--shadow-glass),
    inset 0 0 80px rgba(102, 126, 234, 0.2);
  position: relative;
  animation: wheel-rotate 60s linear infinite;
  cursor: grab;
}

.generation-wheel:active {
  cursor: grabbing;
}

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

/* Generation Segments */
.wheel-segment {
  position: absolute;
  width: 50%;
  height: 50%;
  transform-origin: 100% 100%;
  clip-path: polygon(0 0, 100% 0, 100% 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
  cursor: pointer;
}

.wheel-segment:nth-child(1) {
  transform: rotate(0deg);
  background: linear-gradient(135deg, var(--retro-blue), transparent);
}

.wheel-segment:nth-child(2) {
  transform: rotate(72deg);
  background: linear-gradient(135deg, var(--retro-purple), transparent);
}

.wheel-segment:nth-child(3) {
  transform: rotate(144deg);
  background: linear-gradient(135deg, var(--retro-pink), transparent);
}

.wheel-segment:nth-child(4) {
  transform: rotate(216deg);
  background: linear-gradient(135deg, var(--retro-teal), transparent);
}

.wheel-segment:nth-child(5) {
  transform: rotate(288deg);
  background: linear-gradient(135deg, var(--retro-orange), transparent);
}

.wheel-segment:hover {
  z-index: 10;
  filter: brightness(1.3);
  transform: scale(1.05) rotate(var(--rotation));
}

.wheel-center {
  position: absolute;
  width: 30%;
  height: 30%;
  border-radius: 50%;
  background: var(--gradient-chrome);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-future);
  font-weight: 700;
  font-size: 1.2rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  box-shadow: 
    var(--shadow-retro),
    0 0 40px rgba(255, 255, 255, 0.5);
  z-index: 20;
  cursor: pointer;
  transition: all 0.3s ease;
}

.wheel-center:hover {
  transform: scale(1.1);
  box-shadow: 
    var(--shadow-retro),
    0 0 60px rgba(255, 255, 255, 0.8);
}

/* Retro Cards */
.retro-card {
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--glass-border);
  border-radius: var(--card-radius);
  padding: 2rem;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-glass);
  transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.retro-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--gradient-neon);
  animation: color-shift 3s linear infinite;
}

@keyframes color-shift {
  0% { filter: hue-rotate(0deg); }
  100% { filter: hue-rotate(360deg); }
}

.retro-card:hover {
  transform: translateY(-10px) rotateX(5deg);
  box-shadow: 
    var(--shadow-glass),
    0 20px 40px rgba(102, 126, 234, 0.3);
}

/* Neon Buttons */
.neon-button {
  font-family: var(--font-future);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  padding: 1rem 2rem;
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--retro-teal);
  border-radius: 50px;
  color: var(--retro-teal);
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: all 0.3s ease;
  box-shadow: 
    inset 0 0 20px rgba(80, 227, 194, 0.2),
    0 0 20px rgba(80, 227, 194, 0.3);
}

.neon-button::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: radial-gradient(circle, var(--retro-teal), transparent);
  transform: translate(-50%, -50%);
  transition: width 0.6s, height 0.6s;
}

.neon-button:hover {
  color: white;
  text-shadow: 0 0 20px currentColor;
  box-shadow: 
    inset 0 0 30px rgba(80, 227, 194, 0.4),
    0 0 40px rgba(80, 227, 194, 0.6);
  transform: translateY(-2px);
}

.neon-button:hover::before {
  width: 300px;
  height: 300px;
}

/* Search Bar with Retro Style */
.retro-search {
  position: relative;
  max-width: 600px;
  margin: 2rem auto;
}

.retro-search-input {
  width: 100%;
  padding: 1rem 1.5rem 1rem 3.5rem;
  background: var(--glass-white);
  backdrop-filter: blur(var(--glass-blur));
  border: 2px solid var(--glass-border);
  border-radius: 50px;
  font-family: var(--font-retro-body);
  font-size: 1rem;
  color: white;
  transition: all 0.3s ease;
}

.retro-search-input::placeholder {
  color: rgba(255, 255, 255, 0.5);
  font-style: italic;
}

.retro-search-input:focus {
  outline: none;
  border-color: var(--retro-teal);
  box-shadow: 
    0 0 30px rgba(80, 227, 194, 0.4),
    inset 0 0 20px rgba(80, 227, 194, 0.1);
}

.retro-search-icon {
  position: absolute;
  left: 1.2rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--retro-teal);
  font-size: 1.2rem;
}

/* Generation Badge Pills */
.generation-pill {
  display: inline-block;
  padding: 0.5rem 1.5rem;
  border-radius: 50px;
  font-family: var(--font-future);
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: var(--glass-white);
  backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border);
  position: relative;
  overflow: hidden;
  cursor: pointer;
  transition: all 0.3s ease;
}

.generation-pill::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: left 0.6s ease;
}

.generation-pill:hover::before {
  left: 100%;
}

.pill-boomer {
  border-color: var(--retro-purple);
  color: var(--retro-purple);
}

.pill-genx {
  border-color: var(--retro-blue);
  color: var(--retro-blue);
}

.pill-millennial {
  border-color: var(--retro-pink);
  color: var(--retro-pink);
}

.pill-genz {
  border-color: var(--retro-teal);
  color: var(--retro-teal);
}

.pill-genalpha {
  border-color: var(--retro-orange);
  color: var(--retro-orange);
}

/* Floating Action Button */
.fab-wheel {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 70px;
  height: 70px;
  border-radius: 50%;
  background: var(--gradient-neon);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  box-shadow: 
    var(--shadow-retro),
    0 0 40px rgba(102, 126, 234, 0.5);
  transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
  z-index: 1000;
  animation: fab-pulse 2s ease-in-out infinite;
}

@keyframes fab-pulse {
  0%, 100% { transform: scale(1) rotate(0deg); }
  50% { transform: scale(1.05) rotate(180deg); }
}

.fab-wheel:hover {
  transform: scale(1.1) rotate(90deg);
  box-shadow: 
    var(--shadow-retro),
    0 0 60px rgba(102, 126, 234, 0.8);
}

/* Loading Animation */
.retro-loader {
  width: 100px;
  height: 100px;
  border: 3px solid var(--glass-border);
  border-radius: 50%;
  border-top-color: var(--retro-teal);
  animation: spin 1s linear infinite;
  position: relative;
}

.retro-loader::before,
.retro-loader::after {
  content: '';
  position: absolute;
  border-radius: 50%;
  border: 3px solid var(--glass-border);
}

.retro-loader::before {
  top: 10px;
  left: 10px;
  right: 10px;
  bottom: 10px;
  border-top-color: var(--retro-pink);
  animation: spin 0.8s linear infinite reverse;
}

.retro-loader::after {
  top: 20px;
  left: 20px;
  right: 20px;
  bottom: 20px;
  border-top-color: var(--retro-purple);
  animation: spin 0.6s linear infinite;
}

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

/* Responsive Design */
@media (max-width: 768px) {
  :root {
    --wheel-size: 90vw;
  }
  
  .retro-title {
    font-size: 3rem;
  }
  
  .glass-container {
    margin: 1rem;
    border-radius: calc(var(--glass-radius) * 0.8);
  }
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* Focus Styles */
*:focus-visible {
  outline: 3px solid var(--retro-teal);
  outline-offset: 3px;
}

/* Print Styles */
@media print {
  body {
    background: white;
    color: black;
  }
  
  .glass-container {
    background: white;
    border: 1px solid black;
  }
}

/* Offline banner */
.offline-banner {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: linear-gradient(90deg, #ef4444, #f97316);
    color: white;
    padding: 0.75rem 1rem;
    text-align: center;
    z-index: 9999;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    font-family: var(--font-retro-body);
    font-weight: 500;
    display: none;
    animation: slide-down 0.3s ease-out;
}

.offline-banner p {
    margin: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

@keyframes slide-down {
    from {
        transform: translateY(-100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}