:root {
  --bg-deep: #0a0a1a;
  --bg-panel: #0d0d1a;
  --bg-card: #141428;
  --border: #1e1e3a;
  --green: #33ff33;
  --green-dim: #1a8c1a;
  --amber: #ffaa00;
  --red: #ff3333;
  --cyan: #00ffff;
  --magenta: #ff33ff;
  --text: #c0c0d0;
  --text-dim: #606080;
}

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

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

::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--bg-deep); }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--green-dim); }

@keyframes pulse-green {
  0%, 100% { box-shadow: 0 0 4px var(--green), 0 0 8px var(--green); opacity: 1; }
  50% { box-shadow: 0 0 2px var(--green); opacity: 0.6; }
}
@keyframes pulse-amber {
  0%, 100% { box-shadow: 0 0 4px var(--amber), 0 0 8px var(--amber); opacity: 1; }
  50% { box-shadow: 0 0 2px var(--amber); opacity: 0.6; }
}
@keyframes pulse-red {
  0%, 100% { box-shadow: 0 0 4px var(--red), 0 0 8px var(--red); opacity: 1; }
  50% { box-shadow: 0 0 2px var(--red); opacity: 0.6; }
}

.led-green { width: 10px; height: 10px; border-radius: 50%; background: var(--green); animation: pulse-green 1.5s infinite; }
.led-amber { width: 10px; height: 10px; border-radius: 50%; background: var(--amber); animation: pulse-amber 1.5s infinite; }
.led-red { width: 10px; height: 10px; border-radius: 50%; background: var(--red); animation: pulse-red 1.5s infinite; }
.led-off { width: 10px; height: 10px; border-radius: 50%; background: #333; box-shadow: none; }

.crt-screen {
  position: relative;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(51,255,51,0.15), 0 0 80px rgba(51,255,51,0.05), inset 0 0 60px rgba(0,0,0,0.5);
}
.crt-screen canvas {
  display: block;
  image-rendering: pixelated;
  image-rendering: crisp-edges;
}
.crt-scanlines {
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0,0,0,0.15) 2px,
    rgba(0,0,0,0.15) 4px
  );
  pointer-events: none;
  z-index: 2;
}
.crt-glow {
  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;
}

.monitor-bezel {
  background: linear-gradient(145deg, #2a2a3a, #1a1a28);
  border: 2px solid #3a3a4a;
  border-radius: 18px;
  padding: 16px;
  box-shadow: 0 4px 20px rgba(0,0,0,0.6), inset 0 1px 0 rgba(255,255,255,0.05);
}

.retro-btn {
  font-family: 'Press Start 2P', monospace;
  font-size: 9px;
  padding: 6px 10px;
  border: 2px solid var(--border);
  border-radius: 4px;
  background: linear-gradient(180deg, #2a2a3e, #1a1a2e);
  color: var(--text);
  cursor: pointer;
  transition: all 0.1s;
  text-transform: uppercase;
  white-space: nowrap;
}
.retro-btn:hover { border-color: var(--green-dim); color: var(--green); }
.retro-btn:active { transform: translateY(1px); background: linear-gradient(180deg, #1a1a2e, #2a2a3e); }
.retro-btn.active { border-color: var(--green); color: var(--green); box-shadow: 0 0 8px rgba(51,255,51,0.2); }

.key-btn {
  font-family: 'VT323', monospace;
  font-size: 14px;
  min-width: 32px;
  height: 32px;
  padding: 2px 6px;
  border: 1px solid #555;
  border-radius: 4px;
  background: linear-gradient(180deg, #e8e0d0, #c8c0b0);
  color: #222;
  cursor: pointer;
  transition: all 0.05s;
  box-shadow: 0 2px 0 #888, 0 3px 4px rgba(0,0,0,0.3);
  user-select: none;
  display: flex;
  align-items: center;
  justify-content: center;
}
.key-btn:active, .key-btn.pressed {
  transform: translateY(2px);
  box-shadow: 0 0 0 #888, 0 1px 2px rgba(0,0,0,0.3);
  background: linear-gradient(180deg, #b8b0a0, #a8a090);
}
.key-btn.key-special { background: linear-gradient(180deg, #ff8844, #dd6622); color: #fff; border-color: #aa4400; }
.key-btn.key-red { background: linear-gradient(180deg, #ff4444, #cc2222); color: #fff; border-color: #aa0000; }
.key-btn.key-shift { background: linear-gradient(180deg, #d8d0c0, #b8b0a0); }
.key-btn.key-space { min-width: 180px; }
.key-btn.key-return { min-width: 60px; }

.drop-zone {
  border: 2px dashed var(--border);
  border-radius: 8px;
  padding: 16px;
  text-align: center;
  transition: all 0.2s;
  cursor: pointer;
}
.drop-zone:hover, .drop-zone.drag-over {
  border-color: var(--green);
  background: rgba(51,255,51,0.05);
}

.panel {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
}

.flag-led {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 3px;
  font-family: 'Press Start 2P', monospace;
  font-size: 7px;
  border: 1px solid #333;
}
.flag-led.on { background: var(--green); color: #000; box-shadow: 0 0 6px var(--green); }
.flag-led.off { background: #1a1a2a; color: #444; }

.toast-container {
  position: fixed;
  top: 16px;
  right: 16px;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.toast {
  font-family: 'VT323', monospace;
  font-size: 16px;
  padding: 10px 16px;
  border-radius: 6px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  color: var(--text);
  box-shadow: 0 4px 12px rgba(0,0,0,0.4);
  animation: toast-in 0.3s ease;
}
.toast.success { border-color: var(--green); color: var(--green); }
.toast.error { border-color: var(--red); color: var(--red); }
.toast.warning { border-color: var(--amber); color: var(--amber); }
@keyframes toast-in { from { opacity: 0; transform: translateX(40px); } to { opacity: 1; transform: translateX(0); } }

@media (max-width: 1024px) {
  .key-btn { font-size: 11px; min-width: 26px; height: 26px; }
  .key-btn.key-space { min-width: 120px; }
}