/* =========================================================
   Loaded by both / (classic) and /xp — overlays and effects that
   the terminal's commands trigger regardless of which page it runs
   on: confetti, the matrix rain, the BSOD prank, the shutdown
   screen, toasts, and the "party" icon/card shake.
   ========================================================= */

:root {
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --overlay-bottom-offset: 20px;
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }

#bsod {
  position: fixed;
  inset: 0;
  z-index: 400;
  background: #0000aa;
  color: #fff;
  font-family: var(--font-mono);
  padding: 40px;
  font-size: 14px;
  line-height: 1.7;
}
#bsod[hidden] { display: none; }
#bsod .bsod-hint { margin-top: 24px; opacity: 0.85; }

#shutdown-screen {
  position: fixed;
  inset: 0;
  z-index: 410;
  background: #000;
  color: #fff;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  font-size: 15px;
  font-family: var(--font-mono);
}
#shutdown-screen[hidden] { display: none; }
.shutdown-spinner { width: 30px; height: 30px; border-radius: 50%; border: 3px solid #2a5db0; border-top-color: #7fb4ff; animation: spin 0.9s linear infinite; }
@keyframes spin { to { transform: rotate(360deg); } }

#matrix-canvas { position: fixed; inset: 0; z-index: 300; pointer-events: none; }
#matrix-canvas[hidden] { display: none; }

#confetti-canvas { position: fixed; inset: 0; z-index: 350; pointer-events: none; }

@keyframes icon-party {
  0%, 100% { transform: translateY(0) rotate(0deg); }
  25% { transform: translateY(-6px) rotate(-6deg); }
  75% { transform: translateY(4px) rotate(6deg); }
}
.party-shake { animation: icon-party 0.35s ease-in-out infinite; }
.party-shake:nth-child(2n) { animation-delay: 0.08s; }
.party-shake:nth-child(3n) { animation-delay: 0.15s; }

#toast {
  position: fixed;
  bottom: var(--overlay-bottom-offset);
  left: 50%;
  transform: translateX(-50%) translateY(10px);
  background: #ffffe6;
  border: 1px solid #c9c07a;
  color: #15161c;
  padding: 8px 16px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.2s ease, transform 0.2s ease;
}
#toast.show { opacity: 1; transform: translateX(-50%) translateY(0); }

@media (prefers-reduced-motion: reduce) {
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}