/* ==========================================================================
   PIP-OS — crt.css
   CRT effects: scanlines, bloom, flicker, vignette, curvature.
   All disabled under prefers-reduced-motion.
   ========================================================================== */

.screen::after {
  /* Scanline overlay */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 90;
  pointer-events: none;
  background:
    repeating-linear-gradient(
      to bottom,
      rgba(0, 0, 0, 0) 0px,
      rgba(0, 0, 0, 0) 2px,
      rgba(0, 0, 0, 0.18) 3px,
      rgba(0, 0, 0, 0.18) 4px
    );
  mix-blend-mode: multiply;
  animation: scanline-drift 8s linear infinite;
}

.screen::before {
  /* Vignette + faint phosphor wash + flicker */
  content: "";
  position: absolute;
  inset: 0;
  z-index: 91;
  pointer-events: none;
  background:
    radial-gradient(ellipse at center, transparent 50%, rgba(0,0,0,0.6) 100%),
    linear-gradient(180deg, var(--phosphor-glow), transparent 30%, transparent 70%, var(--phosphor-glow));
  mix-blend-mode: screen;
  animation: flicker 5.7s steps(120) infinite;
  opacity: 0.4;
}

@keyframes scanline-drift {
  from { background-position: 0 0; }
  to   { background-position: 0 32px; }
}

@keyframes flicker {
  0%, 100% { opacity: 0.40; }
  3%       { opacity: 0.35; }
  6%       { opacity: 0.42; }
  10%      { opacity: 0.38; }
  20%      { opacity: 0.40; }
  21%      { opacity: 0.30; }
  22%      { opacity: 0.42; }
  50%      { opacity: 0.36; }
  73%      { opacity: 0.41; }
  76%      { opacity: 0.32; }
}

/* Phosphor bloom — applied to text inside the screen */
.screen,
.screen * {
  text-shadow:
    0 0 1px var(--phosphor-glow),
    0 0 4px var(--phosphor-glow),
    0 0 10px var(--phosphor-glow);
}

/* Subtle screen curvature feel via inset shadow */
.screen {
  background-image:
    radial-gradient(ellipse at center, transparent 60%, rgba(0,0,0,0.4) 100%);
}

/* Power-on flash */
.screen.poweron {
  animation: poweron 600ms ease-out 1;
}
@keyframes poweron {
  0%   { transform: scaleY(0.001); filter: brightness(2); opacity: 0; }
  20%  { transform: scaleY(0.02);  opacity: 1; }
  60%  { transform: scaleY(1.0);   filter: brightness(1.4); }
  100% { transform: scaleY(1.0);   filter: brightness(1); }
}

/* Reduced motion: kill all animation */
@media (prefers-reduced-motion: reduce) {
  .screen::after,
  .screen::before {
    animation: none;
  }
  .screen.poweron {
    animation: none;
  }
}

/* Static / "Please Stand By" overlay */
.overlay {
  position: absolute;
  inset: 0;
  z-index: 200;
  display: grid;
  place-items: center;
  pointer-events: none;
  font-family: var(--font-pip);
  color: var(--phosphor);
  background: var(--phosphor-deep);
  font-size: 36px;
  letter-spacing: 4px;
}

.overlay.standby {
  /* Test-card bars in phosphor tones — Pip-Boy stays monochrome */
  background:
    repeating-linear-gradient(
      to right,
      var(--phosphor-deep) 0 14%,
      var(--phosphor-line) 14% 28%,
      var(--phosphor-mid)  28% 42%,
      var(--phosphor-dim)  42% 56%,
      var(--phosphor)      56% 70%,
      var(--phosphor-dim)  70% 84%,
      var(--phosphor-line) 84% 100%
    );
  color: var(--phosphor-deep);
  text-shadow: 0 0 0 var(--phosphor-deep);
}
.overlay.standby::after {
  content: "PLEASE STAND BY";
  position: absolute;
  bottom: 30%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--phosphor-deep);
  color: var(--phosphor);
  padding: 14px 36px;
  font-family: var(--font-mono);
  letter-spacing: 6px;
  border: 1px solid var(--phosphor);
}

.overlay.screensaver {
  background: var(--phosphor-deep);
}
.overlay.screensaver .ss-vb {
  width: 120px;
  height: 120px;
  background-image: var(--vault-boy-svg, none);
  background-size: contain;
  background-repeat: no-repeat;
  background-position: center;
  position: absolute;
  animation: dvd-bounce-x 7.3s linear infinite, dvd-bounce-y 5.1s linear infinite;
  filter: drop-shadow(0 0 8px var(--phosphor));
}
@keyframes dvd-bounce-x {
  0%, 100% { left: 0; }
  50%      { left: calc(100% - 120px); }
}
@keyframes dvd-bounce-y {
  0%, 100% { top: 0; }
  50%      { top: calc(100% - 120px); }
}

.overlay.stranger {
  background: transparent;
  display: block;
}
.overlay.stranger .silhouette {
  position: absolute;
  bottom: 8%;
  left: 6%;
  width: 90px;
  height: 140px;
  background:
    radial-gradient(ellipse at 50% 18%, var(--phosphor) 18px, transparent 19px),
    linear-gradient(180deg, transparent 30%, var(--phosphor) 30%);
  filter: blur(0.5px) drop-shadow(0 0 6px var(--phosphor));
  opacity: 0.85;
  animation: stranger-fade 1500ms ease-out forwards;
}
@keyframes stranger-fade {
  0%   { opacity: 0; transform: translateY(8px); }
  20%  { opacity: 0.9; transform: translateY(0); }
  85%  { opacity: 0.9; }
  100% { opacity: 0; }
}

/* Codsworth helper */
.codsworth {
  position: absolute;
  bottom: 60px;
  right: 20px;
  z-index: 150;
  font-family: var(--font-pip);
  color: var(--phosphor);
  background: var(--phosphor-deep);
  border: 1px solid var(--phosphor);
  padding: 8px 12px;
  max-width: 220px;
  font-size: 16px;
  animation: float 3s ease-in-out infinite;
}
.codsworth::before {
  content: "🔵";  /* rendered as char fallback if Mr. Handy SVG missing */
  margin-right: 6px;
}
@keyframes float {
  0%,100% { transform: translateY(0); }
  50%     { transform: translateY(-6px); }
}

/* Toast achievements */
.toasts {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 250;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.toast {
  background: var(--phosphor-deep);
  border: 2px solid var(--phosphor);
  color: var(--phosphor);
  font-family: var(--font-pip);
  font-size: 18px;
  padding: 8px 14px;
  min-width: 220px;
  animation: toast-in 220ms ease-out, toast-out 320ms ease-in 2700ms forwards;
}
.toast .t-title { font-weight: bold; letter-spacing: 1px; }
.toast .t-sub   { font-size: 14px; opacity: 0.85; }
@keyframes toast-in  { from { transform: translateX(120%); opacity: 0; } to { transform: translateX(0); opacity: 1; } }
@keyframes toast-out { to   { transform: translateX(120%); opacity: 0; } }

/* Console (~) */
.console {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  z-index: 240;
  background: rgba(0,0,0,0.92);
  color: var(--phosphor);
  font-family: var(--font-mono);
  font-size: 16px;
  padding: 8px 12px;
  border-top: 1px solid var(--phosphor);
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  gap: 0 6px;
  max-height: 50%;
  overflow: hidden;
}
.console .prompt { grid-column: 1; grid-row: 1; }
.console input {
  grid-column: 2; grid-row: 1;
  background: transparent;
  border: 0;
  color: var(--phosphor);
  font-family: inherit;
  font-size: inherit;
  outline: none;
}
.console .out {
  grid-column: 1 / -1;
  grid-row: 2;
  margin-top: 4px;
  max-height: 200px;
  overflow-y: auto;
  white-space: pre-wrap;
  font-size: 14px;
  opacity: 0.85;
}

/* GOD MODE banner */
.godmode-banner {
  position: absolute;
  top: 50px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 220;
  background: var(--phosphor);
  color: var(--phosphor-deep);
  font-family: var(--font-mono);
  font-weight: bold;
  letter-spacing: 4px;
  padding: 4px 16px;
  pointer-events: none;
}

/* Radroach */
.radroach {
  position: absolute;
  z-index: 210;
  width: 14px;
  height: 7px;
  background: var(--phosphor-dim);
  border-radius: 50%;
  cursor: pointer;
  filter: drop-shadow(0 0 3px var(--phosphor));
}
.radroach::before, .radroach::after {
  content: "";
  position: absolute;
  width: 4px;
  height: 1px;
  background: var(--phosphor-dim);
  top: 50%;
}
.radroach::before { left: -3px; transform: rotate(-25deg); }
.radroach::after  { right: -3px; transform: rotate( 25deg); }

/* Inverted ("Nuclear Winter") palette */
[data-nuclear="1"] .screen {
  filter: invert(1) hue-rotate(180deg);
}