:root {
  color-scheme: dark light;
  --bg: #050505;
  --neon-cyan: #00fff9;
  --neon-pink: #ff00ff;
  --neon-purple: #b967ff;
  --text: #e0e0e0;
  --muted: #888;
  --scanline-opacity: 0.08;
  --glow-intensity: 1;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f5f5f5;
    --neon-cyan: #0088cc;
    --neon-pink: #cc3399;
    --neon-purple: #7744bb;
    --text: #1a1a1a;
    --muted: #666;
    --scanline-opacity: 0.03;
    --glow-intensity: 0.5;
  }
}

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

html {
  min-height: 100%;
  background: var(--bg);
}

body {
  min-height: 100vh;
  overflow-x: hidden;
  color: var(--text);
  font-family: "JetBrains Mono", "Fira Code", "Cascadia Code", ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  background: var(--bg);
  transition: background 0.5s ease;
}

#particle-canvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

.scanlines {
  position: fixed;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 2px,
    rgba(0, 0, 0, var(--scanline-opacity)) 4px
  );
  animation: scanline-scroll 8s linear infinite;
}

.cursor-glow {
  position: fixed;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  pointer-events: none;
  z-index: 2;
  background: radial-gradient(circle, rgba(0, 255, 249, 0.15) 0%, transparent 70%);
  transform: translate(-50%, -50%);
  transition: opacity 0.3s ease;
  opacity: 0;
  mix-blend-mode: screen;
}

@media (prefers-color-scheme: light) {
  .cursor-glow {
    background: radial-gradient(circle, rgba(0, 136, 204, 0.1) 0%, transparent 70%);
    mix-blend-mode: multiply;
  }
}

.page-shell {
  position: relative;
  z-index: 10;
  display: grid;
  min-height: 100vh;
  padding: 2rem;
  place-items: center;
}

.content {
  text-align: center;
  max-width: 800px;
}

.status-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.6rem 1.2rem;
  border: 1px solid var(--neon-cyan);
  border-radius: 4px;
  color: var(--neon-cyan);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  margin-bottom: 2rem;
  box-shadow: 0 0 15px rgba(0, 255, 249, calc(0.4 * var(--glow-intensity))),
              inset 0 0 15px rgba(0, 255, 249, calc(0.1 * var(--glow-intensity)));
  animation: border-flicker 3s infinite;
}

.blink-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--neon-cyan);
  box-shadow: 0 0 10px var(--neon-cyan);
  animation: blink 1s infinite;
}

.status-text {
  text-shadow: 0 0 8px var(--neon-cyan);
}

.glitch {
  position: relative;
  font-size: clamp(2rem, 8vw, 6rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--text);
  text-shadow:
    0 0 10px var(--neon-cyan),
    0 0 20px var(--neon-cyan),
    0 0 40px var(--neon-cyan),
    0 0 80px var(--neon-pink);
  animation: text-flicker 4s infinite;
}

.glitch::before,
.glitch::after {
  content: attr(data-text);
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0.8;
}

.glitch::before {
  color: var(--neon-cyan);
  animation: glitch-1 2s infinite linear alternate-reverse;
  clip-path: polygon(0 0, 100% 0, 100% 35%, 0 35%);
}

.glitch::after {
  color: var(--neon-pink);
  animation: glitch-2 3s infinite linear alternate-reverse;
  clip-path: polygon(0 65%, 100% 65%, 100% 100%, 0 100%);
}

.subtitle {
  margin-top: 1.5rem;
  color: var(--muted);
  font-size: clamp(0.9rem, 2vw, 1.1rem);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  opacity: 0.8;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.3; }
}

@keyframes scanline-scroll {
  0% { transform: translateY(0); }
  100% { transform: translateY(4px); }
}

@keyframes border-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.8; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}

@keyframes text-flicker {
  0%, 100% { opacity: 1; }
  92% { opacity: 1; }
  93% { opacity: 0.8; }
  94% { opacity: 1; }
  96% { opacity: 0.9; }
  97% { opacity: 1; }
}

@keyframes glitch-1 {
  0% { transform: translate(0); }
  20% { transform: translate(-3px, 3px); }
  40% { transform: translate(-3px, -3px); }
  60% { transform: translate(3px, 3px); }
  80% { transform: translate(3px, -3px); }
  100% { transform: translate(0); }
}

@keyframes glitch-2 {
  0% { transform: translate(0); }
  20% { transform: translate(3px, -3px); }
  40% { transform: translate(3px, 3px); }
  60% { transform: translate(-3px, -3px); }
  80% { transform: translate(-3px, 3px); }
  100% { transform: translate(0); }
}

@media (max-width: 640px) {
  .page-shell {
    padding: 1rem;
    align-items: stretch;
  }

  .status-tag {
    font-size: 0.65rem;
    padding: 0.5rem 1rem;
  }

  .glitch {
    font-size: clamp(1.5rem, 10vw, 3rem);
  }

  .subtitle {
    font-size: 0.8rem;
    letter-spacing: 0.15em;
  }
}