:root {
  --bg-deep: #0a0e1a;
  --bg-card: #111827;
  --bg-surface: #1a2035;
  --neon-blue: #00d4ff;
  --neon-pink: #ff2d7b;
  --neon-green: #39ff14;
  --neon-amber: #ffaa00;
  --neon-purple: #b44dff;
  --text-primary: #e2e8f0;
  --text-muted: #94a3b8;
  --scanline-opacity: 0.03;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  background: var(--bg-deep);
  color: var(--text-primary);
  font-family: 'IBM Plex Sans', sans-serif;
  min-height: 100vh;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 212, 255, 0.015) 2px,
    rgba(0, 212, 255, 0.015) 4px
  );
  pointer-events: none;
  z-index: 9999;
}

.font-mono { font-family: 'Fira Code', monospace; }
.font-sans { font-family: 'IBM Plex Sans', sans-serif; }

/* Glitch animation */
@keyframes glitch {
  0% { text-shadow: 2px 0 var(--neon-pink), -2px 0 var(--neon-blue); }
  20% { text-shadow: -2px 2px var(--neon-pink), 2px -2px var(--neon-blue); }
  40% { text-shadow: 2px -2px var(--neon-pink), -2px 2px var(--neon-blue); }
  60% { text-shadow: 0 2px var(--neon-pink), 0 -2px var(--neon-blue); }
  80% { text-shadow: -2px 0 var(--neon-pink), 2px 0 var(--neon-blue); }
  100% { text-shadow: 2px 0 var(--neon-pink), -2px 0 var(--neon-blue); }
}

@keyframes glitch-intense {
  0% { transform: translate(0); filter: hue-rotate(0deg); }
  10% { transform: translate(-5px, 3px); filter: hue-rotate(90deg); }
  20% { transform: translate(5px, -3px); filter: hue-rotate(180deg); }
  30% { transform: translate(-3px, -5px); filter: hue-rotate(270deg); }
  40% { transform: translate(3px, 5px); filter: hue-rotate(360deg); }
  50% { transform: translate(0); filter: hue-rotate(0deg); }
  100% { transform: translate(0); filter: hue-rotate(0deg); }
}

@keyframes flicker {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.98; }
  52% { opacity: 0.92; }
  54% { opacity: 1; }
}

@keyframes pulse-glow {
  0%, 100% { filter: brightness(1) drop-shadow(0 0 5px currentColor); }
  50% { filter: brightness(1.2) drop-shadow(0 0 15px currentColor); }
}

@keyframes float {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-6px); }
}

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

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

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

@keyframes hourglass-rotate {
  0% { transform: rotate(0deg); }
  45% { transform: rotate(0deg); }
  55% { transform: rotate(180deg); }
  100% { transform: rotate(180deg); }
}

@keyframes full-glitch {
  0% { filter: none; transform: none; }
  5% { filter: hue-rotate(90deg) saturate(3); transform: skewX(-5deg) translate(3px, -2px); }
  10% { filter: invert(1); transform: skewX(5deg) translate(-3px, 2px); }
  15% { filter: hue-rotate(180deg) contrast(2); transform: scale(1.02) skewY(2deg); }
  20% { filter: none; transform: translate(-2px, 0); }
  25% { filter: hue-rotate(270deg) saturate(5); transform: skewX(-3deg); }
  30% { filter: none; transform: none; }
  100% { filter: none; transform: none; }
}

.glitch-title {
  animation: glitch 3s infinite, flicker 4s infinite;
}

.glitch-full-screen {
  animation: full-glitch 2s ease-out forwards;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 8px 32px rgba(0, 212, 255, 0.15);
}

.card-hover {
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.card-noise::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  opacity: 0;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='0.15'/%3E%3C/svg%3E");
  background-size: 128px 128px;
  border-radius: inherit;
  transition: opacity 0.3s;
  pointer-events: none;
}

.card-hover:hover .card-noise::after,
.card-noise:hover::after {
  opacity: 0.4;
  animation: noise 0.5s steps(4) infinite;
}

.crt-border {
  box-shadow: 
    inset 0 0 30px rgba(0, 0, 0, 0.3),
    0 0 1px rgba(0, 212, 255, 0.3);
  border: 1px solid rgba(0, 212, 255, 0.1);
}

.neon-border-blue { border: 1px solid rgba(0, 212, 255, 0.3); }
.neon-border-pink { border: 1px solid rgba(255, 45, 123, 0.3); }
.neon-border-green { border: 1px solid rgba(57, 255, 20, 0.3); }

.glow-blue { text-shadow: 0 0 10px rgba(0, 212, 255, 0.5); }
.glow-pink { text-shadow: 0 0 10px rgba(255, 45, 123, 0.5); }
.glow-green { text-shadow: 0 0 10px rgba(57, 255, 20, 0.5); }

.btn-neon {
  position: relative;
  overflow: hidden;
  transition: all 0.3s;
}

.btn-neon::before {
  content: '';
  position: absolute;
  top: -2px; left: -2px; right: -2px; bottom: -2px;
  background: linear-gradient(45deg, var(--neon-blue), var(--neon-pink), var(--neon-green), var(--neon-blue));
  background-size: 400%;
  border-radius: inherit;
  z-index: -1;
  animation: gradient-rotate 3s linear infinite;
  opacity: 0;
  transition: opacity 0.3s;
}

.btn-neon:hover::before { opacity: 1; }

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

/* Terminal form */
.terminal-input {
  background: rgba(0, 0, 0, 0.6);
  border: 1px solid rgba(57, 255, 20, 0.3);
  color: var(--neon-green);
  font-family: 'Fira Code', monospace;
  padding: 10px 14px;
  border-radius: 4px;
  width: 100%;
  outline: none;
  transition: border-color 0.3s;
}

.terminal-input:focus {
  border-color: var(--neon-green);
  box-shadow: 0 0 10px rgba(57, 255, 20, 0.15);
}

.terminal-input::placeholder {
  color: rgba(57, 255, 20, 0.3);
}

/* Vibe tag colors */
.vibe-cursed { background: linear-gradient(135deg, #ff2d7b33, #b44dff33); border-color: var(--neon-pink); color: var(--neon-pink); }
.vibe-beautiful { background: linear-gradient(135deg, #00d4ff33, #39ff1433); border-color: var(--neon-blue); color: var(--neon-blue); }
.vibe-profound { background: linear-gradient(135deg, #b44dff33, #00d4ff33); border-color: var(--neon-purple); color: var(--neon-purple); }
.vibe-unhinged { background: linear-gradient(135deg, #ffaa0033, #ff2d7b33); border-color: var(--neon-amber); color: var(--neon-amber); }
.vibe-useful { background: linear-gradient(135deg, #39ff1433, #00d4ff33); border-color: var(--neon-green); color: var(--neon-green); }
.vibe-nostalgic { background: linear-gradient(135deg, #ffaa0033, #b44dff33); border-color: #dda0dd; color: #dda0dd; }

/* Scrollbar */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: rgba(0, 212, 255, 0.3); border-radius: 4px; }
::-webkit-scrollbar-thumb:hover { background: rgba(0, 212, 255, 0.5); }

/* Modal overlay */
.modal-overlay {
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(8px);
}

/* URL bar style */
.url-bar {
  background: rgba(0, 0, 0, 0.5);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 4px 12px;
  font-family: 'Fira Code', monospace;
  font-size: 0.7rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  gap: 6px;
}

.url-bar .lock-icon {
  color: var(--neon-green);
  font-size: 0.6rem;
}

/* Counter animation */
.counter-digit {
  display: inline-block;
  animation: counter-tick 0.3s ease;
}

/* Carousel */
@keyframes carousel-slide {
  0%, 20% { opacity: 1; transform: translateY(0); }
  25%, 95% { opacity: 0; transform: translateY(-10px); }
  100% { opacity: 1; transform: translateY(0); }
}

/* Heart animation */
@keyframes heart-pop {
  0% { transform: scale(1); }
  50% { transform: scale(1.4); }
  100% { transform: scale(1); }
}

.heart-pop { animation: heart-pop 0.3s ease; }

/* Slot machine */
@keyframes slot-spin {
  0% { transform: translateY(0); opacity: 1; }
  25% { transform: translateY(-100%); opacity: 0; }
  50% { transform: translateY(100%); opacity: 0; }
  75% { transform: translateY(0); opacity: 1; }
  100% { transform: translateY(0); opacity: 1; }
}

.slot-spin { animation: slot-spin 0.6s cubic-bezier(0.4, 0, 0.2, 1); }

/* Responsive masonry */
@media (max-width: 640px) {
  .masonry-grid { columns: 1; }
}
@media (min-width: 641px) and (max-width: 1024px) {
  .masonry-grid { columns: 2; column-gap: 16px; }
}
@media (min-width: 1025px) {
  .masonry-grid { columns: 3; column-gap: 20px; }
}

.masonry-grid > * {
  break-inside: avoid;
  margin-bottom: 16px;
}