:root {
  --bg-dark: #0a0a14;
  --bg-panel: #12121e;
  --bg-terminal: #0a0f0a;
  --neon-blue: #00d4ff;
  --neon-green: #33ff33;
  --amber: #ffaa00;
  --crt-border: #2a2a3e;
  --scanline: rgba(0, 0, 0, 0.15);
}

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

body {
  background: var(--bg-dark);
  color: #ccc;
  font-family: 'VT323', monospace;
  min-height: 100vh;
  overflow-x: hidden;
}

@keyframes vhsTracking {
  0% { transform: translateX(-100%); opacity: 0; }
  10% { opacity: 0.6; }
  50% { opacity: 0.3; }
  90% { opacity: 0.6; }
  100% { transform: translateX(100%); opacity: 0; }
}

@keyframes pulse-glow {
  0%, 100% { box-shadow: 0 0 8px rgba(0,212,255,0.3), inset 0 0 8px rgba(0,212,255,0.05); }
  50% { box-shadow: 0 0 20px rgba(0,212,255,0.6), inset 0 0 20px rgba(0,212,255,0.1); }
}

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

@keyframes scanroll {
  0% { background-position: 0 0; }
  100% { background-position: 0 4px; }
}

@keyframes glitch {
  0% { clip-path: inset(40% 0 61% 0); transform: translate(-2px, 0); }
  20% { clip-path: inset(92% 0 1% 0); transform: translate(1px, 0); }
  40% { clip-path: inset(43% 0 1% 0); transform: translate(-1px, 0); }
  60% { clip-path: inset(25% 0 58% 0); transform: translate(2px, 0); }
  80% { clip-path: inset(54% 0 7% 0); transform: translate(-1px, 0); }
  100% { clip-path: inset(58% 0 43% 0); transform: translate(0); }
}

.vhs-tracking-line {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: linear-gradient(90deg, transparent, rgba(0,212,255,0.7), rgba(255,255,255,0.9), rgba(0,212,255,0.7), transparent);
  animation: vhsTracking 4s linear infinite;
  pointer-events: none;
  z-index: 100;
}

.drop-zone {
  border: 3px dashed var(--neon-blue);
  animation: pulse-glow 2s ease-in-out infinite;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.drop-zone::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,212,255,0.03) 2px,
    rgba(0,212,255,0.03) 4px
  );
  pointer-events: none;
}

.drop-zone.drag-over {
  border-color: var(--neon-green);
  box-shadow: 0 0 30px rgba(51,255,51,0.4), inset 0 0 30px rgba(51,255,51,0.1);
}

.terminal-log {
  background: var(--bg-terminal);
  border: 1px solid #1a3a1a;
  font-family: 'VT323', monospace;
  color: var(--neon-green);
  overflow-y: auto;
  scrollbar-width: thin;
  scrollbar-color: #1a3a1a transparent;
}

.terminal-log::-webkit-scrollbar { width: 6px; }
.terminal-log::-webkit-scrollbar-track { background: transparent; }
.terminal-log::-webkit-scrollbar-thumb { background: #1a3a1a; border-radius: 3px; }

.crt-frame {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  background: #000;
  box-shadow: 
    0 0 0 3px #333,
    0 0 0 6px #1a1a1a,
    0 0 30px rgba(0,0,0,0.8),
    inset 0 0 60px rgba(0,0,0,0.5);
}

.crt-frame::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 1px,
    rgba(0,0,0,0.12) 1px,
    rgba(0,0,0,0.12) 2px
  );
  animation: scanroll 0.3s linear infinite;
  pointer-events: none;
  z-index: 2;
}

.crt-frame::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.4) 100%);
  pointer-events: none;
  z-index: 3;
}

.vcr-btn {
  background: #1a1a2e;
  border: 2px solid #333;
  color: #ccc;
  font-family: 'VT323', monospace;
  font-size: 18px;
  padding: 8px 16px;
  cursor: pointer;
  transition: all 0.15s ease;
  border-radius: 4px;
}

.vcr-btn:hover {
  border-color: var(--neon-blue);
  color: var(--neon-blue);
  box-shadow: 0 0 10px rgba(0,212,255,0.3);
}

.vcr-btn:active {
  transform: scale(0.95);
}

.vcr-btn.active {
  border-color: var(--neon-green);
  color: var(--neon-green);
  box-shadow: 0 0 10px rgba(51,255,51,0.3);
}

.hex-viewer {
  font-family: 'VT323', monospace;
  font-size: 14px;
  line-height: 1.4;
  background: #080810;
  border: 1px solid #222;
}

.hex-row:nth-child(even) { background: rgba(255,255,255,0.02); }
.hex-row:nth-child(odd) { background: transparent; }

.hex-highlight { color: var(--amber); font-weight: bold; }

.progress-bar-95 {
  background: #c0c0c0;
  border: 2px inset #808080;
  height: 20px;
  padding: 2px;
}

.progress-bar-95-fill {
  background: linear-gradient(90deg, #000080, #0000aa);
  height: 100%;
  transition: width 0.1s linear;
}

.info-label { color: #888; }
.info-value { color: var(--neon-blue); }

.blink-cursor::after {
  content: '█';
  animation: blink 1s step-end infinite;
}

.glitch-hover:hover {
  animation: glitch 0.3s steps(6) 1;
}

@media (max-width: 768px) {
  .desktop-flex { flex-direction: column !important; }
}