/* Retro Terminal - CRT Monitor Effect */

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

:root {
  --phosphor-green: #33ff33;
  --phosphor-dim: #00aa00;
  --phosphor-glow: #00ff00;
  --screen-bg: #0a0a0a;
  --bezel-color: #2a2a2a;
  --bezel-highlight: #3a3a3a;
}

body {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 50%, #1a1a2e 100%);
  font-family: 'Courier New', monospace;
  padding: 1rem;
  gap: 2rem;
}

/* CRT Container */
.crt-container {
  position: relative;
  width: min(90vw, 800px);
  aspect-ratio: 4/3;
}

/* CRT Screen */
.crt-screen {
  position: absolute;
  inset: 8%;
  background: var(--screen-bg);
  border-radius: 20px / 15px;
  overflow: hidden;
  box-shadow:
    inset 0 0 100px rgba(0, 255, 0, 0.05),
    inset 0 0 20px rgba(0, 0, 0, 0.8);
}

/* Scanlines */
.scanlines {
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent 0px,
    transparent 1px,
    rgba(0, 0, 0, 0.3) 1px,
    rgba(0, 0, 0, 0.3) 2px
  );
  pointer-events: none;
  z-index: 10;
}

/* Screen Content Area */
.screen-content {
  position: absolute;
  inset: 5%;
  overflow: hidden;
}

/* Terminal Text */
.terminal {
  color: var(--phosphor-green);
  font-size: clamp(0.6rem, 1.5vw, 1rem);
  line-height: 1.6;
  text-shadow:
    0 0 5px var(--phosphor-glow),
    0 0 10px var(--phosphor-glow),
    0 0 20px var(--phosphor-dim);
}

.boot-sequence {
  animation: textGlow 0.1s infinite alternate;
}

@keyframes textGlow {
  from {
    text-shadow:
      0 0 5px var(--phosphor-glow),
      0 0 10px var(--phosphor-glow),
      0 0 20px var(--phosphor-dim);
  }
  to {
    text-shadow:
      0 0 8px var(--phosphor-glow),
      0 0 15px var(--phosphor-glow),
      0 0 25px var(--phosphor-dim);
  }
}

/* Typing Animation for Each Line */
.line {
  opacity: 0;
  white-space: nowrap;
  overflow: hidden;
  width: 0;
  animation:
    appear 0.01s forwards,
    typing 0.5s steps(40) forwards;
}

@keyframes appear {
  to { opacity: 1; }
}

@keyframes typing {
  to { width: 100%; }
}

/* Stagger the line appearances */
.line-1 { animation-delay: 0.2s, 0.2s; }
.line-2 { animation-delay: 0.6s, 0.6s; }
.line-3 { animation-delay: 1s, 1s; }
.line-4 { animation-delay: 1.2s, 1.2s; }
.line-5 { animation-delay: 1.6s, 1.6s; }
.line-6 { animation-delay: 2s, 2s; }
.line-7 { animation-delay: 2.4s, 2.4s; }
.line-8 { animation-delay: 2.6s, 2.6s; }
.line-9 { animation-delay: 3s, 3s; }
.line-10 { animation-delay: 3.4s, 3.4s; }
.line-11 { animation-delay: 3.8s, 3.8s; }
.line-12 { animation-delay: 4s, 4s; }
.line-13 { animation-delay: 4.4s, 4.4s; }
.line-14 { animation-delay: 4.8s, 4.8s; }
.line-15 { animation-delay: 5.2s, 5.2s; }
.line-16 { animation-delay: 5.6s, 5.6s; }
.line-17 { animation-delay: 6s, 6s; }
.line-18 { animation-delay: 6.2s, 6.2s; }
.line-19 { animation-delay: 6.6s, 6.6s; }
.line-20 { animation-delay: 7s, 7s; }
.line-21 { animation-delay: 7.2s, 7.2s; color: #ffff33; }
.line-22 { animation-delay: 7.6s, 7.6s; }
.line-23 { animation-delay: 8s, 8s; }

/* Blinking Cursor */
.cursor {
  animation: blink 1s step-end infinite;
  animation-delay: 8.5s;
  opacity: 0;
}

@keyframes blink {
  0%, 50% { opacity: 1; }
  51%, 100% { opacity: 0; }
}

/* Screen Curvature Overlay */
.screen-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    ellipse at center,
    transparent 0%,
    transparent 60%,
    rgba(0, 0, 0, 0.4) 100%
  );
  border-radius: 20px / 15px;
  pointer-events: none;
  z-index: 15;
}

/* Screen Flicker Effect */
.screen-flicker {
  position: absolute;
  inset: 0;
  background: rgba(0, 255, 0, 0.03);
  pointer-events: none;
  z-index: 5;
  animation: flicker 0.15s infinite;
}

@keyframes flicker {
  0% { opacity: 0.97; }
  5% { opacity: 0.95; }
  10% { opacity: 0.98; }
  15% { opacity: 0.94; }
  20% { opacity: 0.97; }
  25% { opacity: 0.96; }
  30% { opacity: 0.99; }
  35% { opacity: 0.93; }
  40% { opacity: 0.97; }
  45% { opacity: 0.95; }
  50% { opacity: 0.98; }
  55% { opacity: 0.94; }
  60% { opacity: 0.96; }
  65% { opacity: 0.99; }
  70% { opacity: 0.93; }
  75% { opacity: 0.97; }
  80% { opacity: 0.95; }
  85% { opacity: 0.98; }
  90% { opacity: 0.94; }
  95% { opacity: 0.96; }
  100% { opacity: 0.97; }
}

/* CRT Bezel */
.crt-bezel {
  position: absolute;
  inset: 0;
  border: 20px solid var(--bezel-color);
  border-radius: 30px;
  background: transparent;
  box-shadow:
    inset 5px 5px 15px rgba(255, 255, 255, 0.1),
    inset -5px -5px 15px rgba(0, 0, 0, 0.5),
    0 10px 40px rgba(0, 0, 0, 0.5),
    0 0 0 5px #1a1a1a;
  pointer-events: none;
}

.bezel-top {
  position: absolute;
  top: -15px;
  left: 50%;
  transform: translateX(-50%);
  width: 60%;
  height: 8px;
  background: linear-gradient(
    to bottom,
    var(--bezel-highlight) 0%,
    var(--bezel-color) 100%
  );
  border-radius: 4px 4px 0 0;
}

.bezel-bottom {
  position: absolute;
  bottom: -40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 0.5rem 1rem;
}

.power-led {
  width: 8px;
  height: 8px;
  background: var(--phosphor-green);
  border-radius: 50%;
  box-shadow: 0 0 10px var(--phosphor-glow);
  animation: ledPulse 2s ease-in-out infinite;
}

@keyframes ledPulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.6; }
}

.model-text {
  color: #666;
  font-size: 0.7rem;
  letter-spacing: 2px;
  font-family: Arial, sans-serif;
}

/* Chromatic Aberration (subtle RGB shift) */
.terminal::before {
  content: '';
  position: absolute;
  inset: 0;
  background: inherit;
  mix-blend-mode: screen;
  opacity: 0;
  animation: chromatic 8s ease-in-out infinite;
}

@keyframes chromatic {
  0%, 90%, 100% {
    opacity: 0;
    transform: translate(0, 0);
  }
  92% {
    opacity: 0.5;
    transform: translate(-2px, 0);
    filter: hue-rotate(90deg);
  }
  94% {
    opacity: 0;
    transform: translate(0, 0);
  }
}

/* Back Link */
.back-link {
  color: var(--phosphor-dim);
  text-decoration: none;
  font-size: 0.9rem;
  padding: 0.5rem 1rem;
  border: 1px solid var(--phosphor-dim);
  border-radius: 4px;
  transition: all 0.3s ease;
}

.back-link:hover {
  color: var(--phosphor-green);
  border-color: var(--phosphor-green);
  box-shadow: 0 0 10px var(--phosphor-glow);
}

/* Responsive Adjustments */
@media (max-width: 600px) {
  .crt-container {
    width: 95vw;
  }

  .crt-bezel {
    border-width: 12px;
    border-radius: 20px;
  }

  .terminal {
    font-size: clamp(0.5rem, 2.5vw, 0.8rem);
    line-height: 1.4;
  }

  .bezel-bottom {
    bottom: -30px;
  }
}

@media (max-width: 400px) {
  .terminal {
    font-size: 0.45rem;
  }
}

/* Reduced motion preference */
@media (prefers-reduced-motion: reduce) {
  .screen-flicker,
  .boot-sequence,
  .cursor,
  .power-led {
    animation: none;
  }

  .line {
    opacity: 1;
    width: 100%;
    animation: none;
  }

  .cursor {
    opacity: 1;
  }
}