edgevec 0.9.0

/* ==========================================================================
   EDGEVEC CYBERPUNK DESIGN SYSTEM
   A high-performance, accessibility-first cyberpunk theme
   Version: 0.6.0
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Custom Properties (Design Tokens)
   -------------------------------------------------------------------------- */
:root {
  /* Neon Color Palette */
  --neon-cyan: #00ffff;
  --neon-magenta: #ff00ff;
  --neon-yellow: #ffff00;
  --neon-green: #39ff14;
  --neon-orange: #ff6600;
  --neon-pink: #ff1493;

  /* Backgrounds */
  --bg-void: #0a0a0f;
  --bg-terminal: #0d1117;
  --bg-panel: #161b22;
  --bg-elevated: #21262d;

  /* Text */
  --text-primary: #e6edf3;
  --text-secondary: #8b949e;
  --text-muted: #484f58;

  /* Gradients */
  --gradient-neon: linear-gradient(135deg, var(--neon-cyan), var(--neon-magenta));
  --gradient-terminal: linear-gradient(180deg, var(--bg-terminal) 0%, var(--bg-void) 100%);

  /* Shadows */
  --glow-cyan: 0 0 10px var(--neon-cyan), 0 0 20px var(--neon-cyan), 0 0 40px var(--neon-cyan);
  --glow-magenta: 0 0 10px var(--neon-magenta), 0 0 20px var(--neon-magenta), 0 0 40px var(--neon-magenta);
  --glow-green: 0 0 10px var(--neon-green), 0 0 20px var(--neon-green);

  /* Typography */
  --font-mono: 'JetBrains Mono', 'Fira Code', 'SF Mono', Consolas, monospace;
  --font-display: 'Orbitron', 'Rajdhani', sans-serif;

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

  /* Border Radius */
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;

  /* Transitions */
  --transition-fast: 150ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-base: 300ms cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 500ms cubic-bezier(0.4, 0, 0.2, 1);

  /* Z-Index Scale */
  --z-base: 0;
  --z-overlay: 100;
  --z-modal: 200;
  --z-toast: 300;
}

/* Light theme overrides */
[data-theme="light"] {
  --bg-void: #f0f0f5;
  --bg-terminal: #ffffff;
  --bg-panel: #f5f5f5;
  --bg-elevated: #e8e8e8;
  --text-primary: #1a1a2e;
  --text-secondary: #4a4a5a;
  --text-muted: #8a8a9a;
  --neon-cyan: #0088aa;
  --neon-magenta: #aa0088;
  --neon-green: #00aa44;
}

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-mono);
  background: var(--gradient-terminal);
  color: var(--text-primary);
  line-height: 1.6;
  min-height: 100vh;
  overflow-x: hidden;
}

/* Scanline Overlay Effect */
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 255, 255, 0.03) 2px,
    rgba(0, 255, 255, 0.03) 4px
  );
  z-index: var(--z-overlay);
}

[data-theme="light"] body::before {
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 136, 170, 0.02) 2px,
    rgba(0, 136, 170, 0.02) 4px
  );
}

/* --------------------------------------------------------------------------
   Neon Text Utilities
   -------------------------------------------------------------------------- */
.neon-text {
  text-shadow: var(--glow-cyan);
  color: var(--neon-cyan);
}

.neon-text--magenta {
  text-shadow: var(--glow-magenta);
  color: var(--neon-magenta);
}

.neon-text--green {
  text-shadow: var(--glow-green);
  color: var(--neon-green);
}

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

/* Animated Neon Pulse */
.neon-pulse {
  animation: neonPulse 2s ease-in-out infinite;
}

@keyframes neonPulse {
  0%, 100% {
    text-shadow:
      0 0 5px var(--neon-cyan),
      0 0 10px var(--neon-cyan),
      0 0 20px var(--neon-cyan);
    opacity: 1;
  }
  50% {
    text-shadow:
      0 0 2px var(--neon-cyan),
      0 0 5px var(--neon-cyan),
      0 0 10px var(--neon-cyan);
    opacity: 0.8;
  }
}

/* --------------------------------------------------------------------------
   Glitch Effect
   -------------------------------------------------------------------------- */
.glitch {
  position: relative;
  animation: glitchSkew 1s infinite linear alternate-reverse;
}

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

.glitch::before {
  left: 2px;
  text-shadow: -2px 0 var(--neon-magenta);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitchAnim 5s infinite linear alternate-reverse;
}

.glitch::after {
  left: -2px;
  text-shadow: -2px 0 var(--neon-cyan);
  clip: rect(44px, 450px, 56px, 0);
  animation: glitchAnim2 5s infinite linear alternate-reverse;
}

@keyframes glitchSkew {
  0% { transform: skew(0deg); }
  20% { transform: skew(0deg); }
  21% { transform: skew(1deg); }
  22% { transform: skew(-1deg); }
  23% { transform: skew(0deg); }
  100% { transform: skew(0deg); }
}

@keyframes glitchAnim {
  0% { clip: rect(31px, 9999px, 94px, 0); transform: skew(0.5deg); }
  5% { clip: rect(70px, 9999px, 71px, 0); transform: skew(0.4deg); }
  10% { clip: rect(29px, 9999px, 24px, 0); transform: skew(0.6deg); }
  15% { clip: rect(3px, 9999px, 42px, 0); transform: skew(0.3deg); }
  20% { clip: rect(51px, 9999px, 7px, 0); transform: skew(0.5deg); }
  25% { clip: rect(13px, 9999px, 89px, 0); transform: skew(0.4deg); }
  30% { clip: rect(64px, 9999px, 26px, 0); transform: skew(0.6deg); }
  35% { clip: rect(41px, 9999px, 58px, 0); transform: skew(0.3deg); }
  40% { clip: rect(87px, 9999px, 75px, 0); transform: skew(0.5deg); }
  45% { clip: rect(22px, 9999px, 33px, 0); transform: skew(0.4deg); }
  50% { clip: rect(56px, 9999px, 12px, 0); transform: skew(0.6deg); }
  55% { clip: rect(8px, 9999px, 67px, 0); transform: skew(0.3deg); }
  60% { clip: rect(95px, 9999px, 44px, 0); transform: skew(0.5deg); }
  65% { clip: rect(18px, 9999px, 82px, 0); transform: skew(0.4deg); }
  70% { clip: rect(39px, 9999px, 55px, 0); transform: skew(0.6deg); }
  75% { clip: rect(73px, 9999px, 28px, 0); transform: skew(0.3deg); }
  80% { clip: rect(5px, 9999px, 91px, 0); transform: skew(0.5deg); }
  85% { clip: rect(48px, 9999px, 36px, 0); transform: skew(0.4deg); }
  90% { clip: rect(62px, 9999px, 19px, 0); transform: skew(0.6deg); }
  95% { clip: rect(84px, 9999px, 79px, 0); transform: skew(0.3deg); }
  100% { clip: rect(27px, 9999px, 63px, 0); transform: skew(0.5deg); }
}

@keyframes glitchAnim2 {
  0% { clip: rect(65px, 9999px, 99px, 0); transform: skew(0.5deg); }
  5% { clip: rect(12px, 9999px, 77px, 0); transform: skew(-0.4deg); }
  10% { clip: rect(45px, 9999px, 23px, 0); transform: skew(0.3deg); }
  15% { clip: rect(88px, 9999px, 54px, 0); transform: skew(-0.6deg); }
  20% { clip: rect(33px, 9999px, 8px, 0); transform: skew(0.4deg); }
  25% { clip: rect(76px, 9999px, 41px, 0); transform: skew(-0.3deg); }
  30% { clip: rect(19px, 9999px, 86px, 0); transform: skew(0.5deg); }
  35% { clip: rect(57px, 9999px, 15px, 0); transform: skew(-0.4deg); }
  40% { clip: rect(4px, 9999px, 69px, 0); transform: skew(0.3deg); }
  45% { clip: rect(92px, 9999px, 38px, 0); transform: skew(-0.6deg); }
  50% { clip: rect(26px, 9999px, 81px, 0); transform: skew(0.4deg); }
  55% { clip: rect(61px, 9999px, 47px, 0); transform: skew(-0.3deg); }
  60% { clip: rect(11px, 9999px, 94px, 0); transform: skew(0.5deg); }
  65% { clip: rect(79px, 9999px, 22px, 0); transform: skew(-0.4deg); }
  70% { clip: rect(34px, 9999px, 66px, 0); transform: skew(0.3deg); }
  75% { clip: rect(97px, 9999px, 3px, 0); transform: skew(-0.6deg); }
  80% { clip: rect(43px, 9999px, 58px, 0); transform: skew(0.4deg); }
  85% { clip: rect(7px, 9999px, 85px, 0); transform: skew(-0.3deg); }
  90% { clip: rect(71px, 9999px, 31px, 0); transform: skew(0.5deg); }
  95% { clip: rect(52px, 9999px, 74px, 0); transform: skew(-0.4deg); }
  100% { clip: rect(16px, 9999px, 49px, 0); transform: skew(0.3deg); }
}

/* --------------------------------------------------------------------------
   Terminal Components
   -------------------------------------------------------------------------- */
.terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--neon-cyan);
  border-radius: var(--radius-md);
  box-shadow:
    0 0 10px rgba(0, 255, 255, 0.2),
    inset 0 0 20px rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-md);
  background: var(--bg-elevated);
  border-bottom: 1px solid var(--neon-cyan);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--neon-magenta);
}

.terminal__dot--yellow { background: var(--neon-yellow); }
.terminal__dot--green { background: var(--neon-green); }

.terminal__title {
  font-size: 0.875rem;
  color: var(--text-secondary);
  margin-left: auto;
}

.terminal__body {
  padding: var(--space-md);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.8;
}

.terminal__prompt {
  color: var(--neon-green);
}

.terminal__prompt::before {
  content: '> ';
  color: var(--neon-cyan);
}

/* Typing Cursor Animation */
.terminal__cursor {
  display: inline-block;
  width: 8px;
  height: 1.2em;
  background: var(--neon-cyan);
  margin-left: 2px;
  animation: blink 1s step-end infinite;
}

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

/* --------------------------------------------------------------------------
   Cyberpunk Buttons
   -------------------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  padding: var(--space-sm) var(--space-lg);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--neon-cyan);
  background: transparent;
  border: 2px solid var(--neon-cyan);
  border-radius: var(--radius-sm);
  cursor: pointer;
  overflow: hidden;
  transition: all var(--transition-fast);
  text-decoration: none;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(
    90deg,
    transparent,
    rgba(0, 255, 255, 0.4),
    transparent
  );
  transition: left var(--transition-base);
}

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

.btn:hover {
  box-shadow: var(--glow-cyan);
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn--magenta {
  color: var(--neon-magenta);
  border-color: var(--neon-magenta);
}

.btn--magenta:hover {
  box-shadow: var(--glow-magenta);
}

.btn--filled {
  background: var(--neon-cyan);
  color: var(--bg-void);
}

.btn--filled:hover {
  background: var(--neon-magenta);
  border-color: var(--neon-magenta);
}

.btn--small {
  padding: var(--space-xs) var(--space-md);
  font-size: 0.75rem;
}

/* --------------------------------------------------------------------------
   Input Fields
   -------------------------------------------------------------------------- */
.input {
  width: 100%;
  padding: var(--space-sm) var(--space-md);
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-primary);
  background: var(--bg-terminal);
  border: 1px solid var(--text-muted);
  border-radius: var(--radius-sm);
  transition: all var(--transition-fast);
}

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

.input::placeholder {
  color: var(--text-muted);
}

/* Slider */
.slider {
  -webkit-appearance: none;
  width: 100%;
  height: 8px;
  border-radius: var(--radius-sm);
  background: var(--bg-elevated);
  outline: none;
  margin: var(--space-sm) 0;
}

.slider::-webkit-slider-thumb {
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  box-shadow: var(--glow-cyan);
}

.slider::-moz-range-thumb {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  background: var(--neon-cyan);
  cursor: pointer;
  border: none;
  box-shadow: var(--glow-cyan);
}

/* --------------------------------------------------------------------------
   Cards
   -------------------------------------------------------------------------- */
.card {
  position: relative;
  background: var(--bg-panel);
  border: 1px solid var(--text-muted);
  border-radius: var(--radius-md);
  padding: var(--space-lg);
  transition: all var(--transition-base);
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: var(--gradient-neon);
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.card:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-4px);
}

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

.card__title {
  font-family: var(--font-display);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--neon-cyan);
  margin-bottom: var(--space-sm);
}

.card__content {
  color: var(--text-secondary);
}

/* --------------------------------------------------------------------------
   Progress Bar
   -------------------------------------------------------------------------- */
.progress {
  height: 8px;
  background: var(--bg-elevated);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.progress__bar {
  height: 100%;
  background: var(--gradient-neon);
  border-radius: var(--radius-sm);
  transition: width var(--transition-slow);
  position: relative;
}

.progress__bar::after {
  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: progressShine 2s infinite;
}

@keyframes progressShine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}

/* --------------------------------------------------------------------------
   Loading Skeleton
   -------------------------------------------------------------------------- */
.skeleton {
  background: linear-gradient(
    90deg,
    var(--bg-elevated) 0%,
    var(--bg-panel) 50%,
    var(--bg-elevated) 100%
  );
  background-size: 200% 100%;
  animation: skeletonShimmer 1.5s infinite;
  border-radius: var(--radius-sm);
}

@keyframes skeletonShimmer {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

.skeleton--text {
  height: 1rem;
  margin-bottom: var(--space-sm);
}

.skeleton--title {
  height: 1.5rem;
  width: 60%;
  margin-bottom: var(--space-md);
}

.skeleton--avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
}

/* --------------------------------------------------------------------------
   Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: var(--space-lg);
  right: var(--space-lg);
  z-index: var(--z-toast);
  display: flex;
  flex-direction: column;
  gap: var(--space-sm);
}

.toast {
  padding: var(--space-md) var(--space-lg);
  background: var(--bg-panel);
  border-left: 4px solid var(--neon-cyan);
  border-radius: var(--radius-sm);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  transform: translateX(120%);
  transition: transform var(--transition-base);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.toast--visible {
  transform: translateX(0);
}

.toast--success { border-left-color: var(--neon-green); }
.toast--warning { border-left-color: var(--neon-yellow); }
.toast--error { border-left-color: var(--neon-magenta); }

.toast__icon {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
}

.toast__icon svg {
  width: 100%;
  height: 100%;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
}

.toast--success .toast__icon { color: var(--neon-green); }
.toast--warning .toast__icon { color: var(--neon-yellow); }
.toast--error .toast__icon { color: var(--neon-magenta); }
.toast__message { color: var(--text-primary); }

/* --------------------------------------------------------------------------
   Responsive Grid
   -------------------------------------------------------------------------- */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.grid--2 { grid-template-columns: repeat(2, 1fr); }
.grid--3 { grid-template-columns: repeat(3, 1fr); }
.grid--4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 1024px) {
  .grid--4 { grid-template-columns: repeat(2, 1fr); }
  .grid--3 { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 640px) {
  .grid--4,
  .grid--3,
  .grid--2 { grid-template-columns: 1fr; }
}

/* --------------------------------------------------------------------------
   Layout Containers
   -------------------------------------------------------------------------- */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 var(--space-lg);
}

.section {
  padding: var(--space-2xl) 0;
}

.section--dark {
  background: var(--bg-void);
}

.section__title {
  font-family: var(--font-display);
  font-size: 2rem;
  text-align: center;
  margin-bottom: var(--space-xl);
  color: var(--neon-cyan);
}

/* Divider */
.divider {
  border: none;
  border-top: 1px solid var(--text-muted);
  margin: var(--space-md) 0;
}

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

/* Focus Visible for Keyboard Navigation */
:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 2px;
}

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