/* ═══════════════════════════════════════════════════════════════
   HOLO.PET // terminal-cyber virtual pet
   ═══════════════════════════════════════════════════════════════ */

:root {
  /* default palette: matrix */
  --bg-0: #020604;
  --bg-1: #04110a;
  --bg-2: #07200f;
  --fg: #39ff88;
  --fg-dim: #1fa359;
  --fg-faint: #0f5a30;
  --fg-glow: #39ff88;
  --grid: #0d3320;
  --warn: #ffcf5c;
  --danger: #ff4e6a;
  --accent: #5affe8;

  --phosphor-blur: 0 0 6px var(--fg-glow), 0 0 14px rgba(57, 255, 136, 0.35);
  --scan-opacity: 0.18;
  --noise-opacity: 0.08;
  --fx-aberration: 1px;

  --font-crt: "VT323", "Share Tech Mono", ui-monospace, monospace;
  --font-mono: "JetBrains Mono", ui-monospace, monospace;
  --font-hud: "Major Mono Display", "VT323", monospace;
}

html, body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  background: var(--bg-0);
  color: var(--fg);
  font-family: var(--font-mono);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

body {
  position: relative;
  height: 100vh;
  width: 100vw;
  isolation: isolate;
}

/* ── BACKGROUND LAYERS ──────────────────────────────────────── */

.bg-stars {
  position: fixed; inset: 0;
  background:
    radial-gradient(1px 1px at 12% 22%, var(--fg-dim) 100%, transparent),
    radial-gradient(1px 1px at 28% 74%, var(--fg) 100%, transparent),
    radial-gradient(1px 1px at 54% 12%, var(--fg-faint) 100%, transparent),
    radial-gradient(1.5px 1.5px at 76% 58%, var(--fg-dim) 100%, transparent),
    radial-gradient(1px 1px at 84% 34%, var(--fg) 100%, transparent),
    radial-gradient(1px 1px at 44% 88%, var(--fg-dim) 100%, transparent),
    radial-gradient(1px 1px at 8% 56%, var(--fg-faint) 100%, transparent),
    radial-gradient(1.2px 1.2px at 92% 82%, var(--fg) 100%, transparent),
    radial-gradient(1px 1px at 66% 40%, var(--fg-faint) 100%, transparent),
    radial-gradient(1px 1px at 20% 92%, var(--fg-dim) 100%, transparent);
  z-index: -3;
  animation: twinkle 6s ease-in-out infinite;
  will-change: opacity;
}

@keyframes twinkle {
  0%, 100% { opacity: 0.5; }
  50% { opacity: 0.95; }
}

.bg-grid {
  position: fixed; inset: -10%;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
  transform: perspective(900px) rotateX(62deg) translateY(16vh) scale(1.4);
  transform-origin: center 80%;
  mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 65%, transparent 95%);
  -webkit-mask-image: linear-gradient(to bottom, transparent 0%, black 30%, black 65%, transparent 95%);
  z-index: -2;
  opacity: 0.55;
  animation: grid-pan 12s linear infinite;
  will-change: background-position;
}
@keyframes grid-pan {
  0% { background-position: 0 0, 0 0; }
  100% { background-position: 0 48px, 48px 0; }
}

.bg-horizon {
  position: fixed;
  left: 0; right: 0;
  top: 56%;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--fg), transparent);
  box-shadow: 0 0 24px var(--fg-glow);
  z-index: -1;
  opacity: 0.4;
}

.bg-scan {
  position: fixed; inset: 0;
  pointer-events: none;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.28) 0,
    rgba(0, 0, 0, 0.28) 1px,
    transparent 1px,
    transparent 3px
  );
  opacity: var(--scan-opacity);
  z-index: 50;
  mix-blend-mode: multiply;
}

.bg-noise {
  position: fixed; inset: 0;
  pointer-events: none;
  z-index: 49;
  opacity: var(--noise-opacity);
  background-image: url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='200' height='200'><filter id='n'><feTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='3'/></filter><rect width='200' height='200' filter='url(%23n)' opacity='0.9'/></svg>");
  animation: noise-shift 0.5s steps(3) infinite;
  will-change: transform;
}
@keyframes noise-shift {
  0% { transform: translate(0,0); }
  25% { transform: translate(-3%,2%); }
  50% { transform: translate(2%,-2%); }
  75% { transform: translate(-1%,1%); }
  100% { transform: translate(0,0); }
}

.bg-vignette {
  position: fixed; inset: 0;
  pointer-events: none;
  background: radial-gradient(ellipse at center, transparent 40%, rgba(0,0,0,0.7) 100%);
  z-index: 48;
}

/* ── TOP BAR / HUD ──────────────────────────────────────────── */

.topbar {
  position: fixed;
  top: 16px; left: 20px; right: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  z-index: 60;
  pointer-events: none;
}

.topbar .left, .topbar .right {
  display: flex;
  gap: 18px;
  align-items: center;
}

.topbar .brand {
  font-family: var(--font-hud);
  font-size: 13px;
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
  letter-spacing: 0.25em;
}

.topbar .blink {
  display: inline-block;
  width: 8px; height: 8px;
  background: var(--fg);
  box-shadow: 0 0 8px var(--fg-glow);
  animation: blink 1.2s steps(2) infinite;
}
@keyframes blink { 50% { opacity: 0.15; } }

.topbar .cell {
  border: 1px solid var(--fg-faint);
  padding: 3px 8px;
  background: rgba(7, 32, 15, 0.35);
  backdrop-filter: blur(2px);
}

/* ── STAGE ──────────────────────────────────────────────────── */

.stage {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  perspective: 1400px;
}

/* ── HOLOGRAM DEVICE ────────────────────────────────────────── */

.device {
  position: relative;
  width: min(640px, 92vw);
  aspect-ratio: 1 / 1;
  transform-style: preserve-3d;
  animation: float 6s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0) rotateX(0deg); }
  50% { transform: translateY(-10px) rotateX(1deg); }
}

/* projector base */
.device .base {
  position: absolute;
  bottom: -10%;
  left: 10%;
  width: 80%;
  height: 14px;
  background: linear-gradient(to bottom, var(--fg-faint), transparent);
  border-radius: 50%;
  filter: blur(2px);
  opacity: 0.5;
}
.device .beam {
  position: absolute;
  bottom: 2%;
  left: 50%;
  transform: translateX(-50%);
  width: 70%;
  height: 100%;
  background: linear-gradient(to top, rgba(57,255,136,0.12), transparent 70%);
  clip-path: polygon(40% 100%, 60% 100%, 100% 0, 0 0);
  pointer-events: none;
  animation: beam-flicker 2s ease-in-out infinite;
}
@keyframes beam-flicker {
  0%, 100% { opacity: 0.7; }
  40% { opacity: 0.55; }
  70% { opacity: 0.85; }
}

/* rotating rings */
.ring {
  position: absolute;
  inset: 0;
  border: 1px dashed var(--fg-faint);
  border-radius: 50%;
  pointer-events: none;
}
.ring.r1 { transform: rotateX(72deg); border-color: var(--fg-dim); opacity: 0.6; animation: spin 22s linear infinite; }
.ring.r2 { inset: 6%; transform: rotateX(72deg) rotateZ(30deg); opacity: 0.4; animation: spin 30s linear infinite reverse; }
.ring.r3 { inset: -6%; transform: rotateX(72deg) rotateZ(-20deg); opacity: 0.25; border-style: dotted; animation: spin 40s linear infinite; }
@keyframes spin {
  from { transform: rotateX(72deg) rotateZ(0deg); }
  to   { transform: rotateX(72deg) rotateZ(360deg); }
}

/* corner brackets */
.brackets span {
  position: absolute;
  width: 28px; height: 28px;
  border: 1.5px solid var(--fg);
  filter: drop-shadow(0 0 4px var(--fg-glow));
}
.brackets .tl { top: 0;    left: 0;    border-right: 0; border-bottom: 0; }
.brackets .tr { top: 0;    right: 0;   border-left: 0;  border-bottom: 0; }
.brackets .bl { bottom: 0; left: 0;    border-right: 0; border-top: 0; }
.brackets .br { bottom: 0; right: 0;   border-left: 0;  border-top: 0; }

/* ── CRT SCREEN ─────────────────────────────────────────────── */

.crt {
  position: absolute;
  top: 14%;
  left: 14%;
  width: 72%;
  height: 52%;
  background:
    radial-gradient(ellipse at 50% 40%, rgba(57,255,136,0.08) 0%, transparent 60%),
    linear-gradient(180deg, #04170c 0%, #020a06 100%);
  border: 1px solid var(--fg-dim);
  border-radius: 16% / 18%;
  box-shadow:
    inset 0 0 40px rgba(57,255,136,0.15),
    inset 0 0 8px rgba(57,255,136,0.3),
    0 0 30px rgba(57,255,136,0.25);
  overflow: hidden;
}

.crt::before {
  content: "";
  position: absolute; inset: 0;
  background: repeating-linear-gradient(
    0deg,
    rgba(0,0,0,0.35) 0,
    rgba(0,0,0,0.35) 1px,
    transparent 1px,
    transparent 3px
  );
  pointer-events: none;
  z-index: 5;
}
.crt::after {
  content: "";
  position: absolute; inset: 0;
  background: linear-gradient(
    transparent 0%,
    rgba(57,255,136,0.08) 48%,
    rgba(57,255,136,0.18) 50%,
    rgba(57,255,136,0.08) 52%,
    transparent 100%
  );
  animation: crt-scan 4s linear infinite;
  pointer-events: none;
  z-index: 6;
}
@keyframes crt-scan {
  0% { transform: translateY(-100%); }
  100% { transform: translateY(100%); }
}

.crt-inner {
  position: absolute; inset: 0;
  display: flex;
  flex-direction: column;
}

/* stage for pet sprite */
.pet-stage {
  position: relative;
  flex: 1;
  display: grid;
  place-items: center;
  overflow: hidden;
}

.pet-stage canvas {
  image-rendering: pixelated;
  image-rendering: crisp-edges;
  filter: drop-shadow(0 0 6px var(--fg-glow)) drop-shadow(0 0 2px var(--fg));
}

.pet-floor {
  position: absolute;
  bottom: 12%;
  left: 10%;
  right: 10%;
  height: 1px;
  background: var(--fg-dim);
  box-shadow: 0 0 6px var(--fg);
  opacity: 0.6;
}

.pet-shadow {
  position: absolute;
  bottom: calc(12% - 4px);
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 6px;
  background: var(--fg-dim);
  border-radius: 50%;
  filter: blur(3px);
  opacity: 0.5;
}

.floor-grid {
  position: absolute;
  bottom: 0;
  left: 0; right: 0;
  height: 30%;
  background-image:
    linear-gradient(var(--fg-faint) 1px, transparent 1px),
    linear-gradient(90deg, var(--fg-faint) 1px, transparent 1px);
  background-size: 20px 20px;
  transform: perspective(240px) rotateX(70deg);
  transform-origin: bottom;
  opacity: 0.35;
}

/* stats strip inside CRT */
.crt-header {
  display: flex;
  justify-content: space-between;
  padding: 6px 10px 4px;
  font-family: var(--font-crt);
  font-size: 14px;
  letter-spacing: 0.1em;
  border-bottom: 1px dashed var(--fg-faint);
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
}

.crt-header .pet-name { font-weight: bold; }
.crt-header .age { color: var(--fg-dim); }

/* CRT tooltip text overlay */
.crt-tooltip {
  position: absolute;
  left: 0; right: 0; bottom: 0;
  padding: 8px 12px 10px;
  background: linear-gradient(to top, rgba(2,6,4,0.92), rgba(2,6,4,0.6) 70%, transparent);
  font-family: var(--font-crt);
  font-size: 16px;
  line-height: 1.2;
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
  z-index: 7;
  min-height: 60px;
  border-top: 1px solid var(--fg-faint);
}

.crt-tooltip .title {
  display: flex;
  gap: 8px;
  align-items: center;
  font-size: 13px;
  color: var(--fg-dim);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  margin-bottom: 2px;
}
.crt-tooltip .title .prompt { color: var(--fg); }
.crt-tooltip .body { font-size: 18px; }
.crt-tooltip .cursor {
  display: inline-block;
  width: 10px; height: 16px;
  background: var(--fg);
  vertical-align: -2px;
  margin-left: 2px;
  animation: cursor-blink 0.7s steps(2) infinite;
  box-shadow: 0 0 6px var(--fg-glow);
}
@keyframes cursor-blink { 50% { opacity: 0; } }

/* chromatic aberration on CRT contents */
.crt .chroma {
  position: absolute; inset: 0;
  pointer-events: none;
  box-shadow:
    inset var(--fx-aberration) 0 0 rgba(255, 0, 80, 0.25),
    inset calc(-1 * var(--fx-aberration)) 0 0 rgba(0, 180, 255, 0.2);
  mix-blend-mode: screen;
  z-index: 8;
}

/* ── STATS GAUGES (radial, around crt) ─────────────────────── */

.gauges {
  position: absolute;
  top: 72%;
  left: 0; right: 0;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
  padding: 0 14%;
}

.gauge {
  display: flex;
  flex-direction: column;
  gap: 3px;
  font-family: var(--font-mono);
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--fg-dim);
}
.gauge .label {
  display: flex;
  justify-content: space-between;
}
.gauge .label .val { color: var(--fg); text-shadow: 0 0 4px var(--fg-glow); }

.gauge .bar {
  position: relative;
  height: 8px;
  background: var(--bg-1);
  border: 1px solid var(--fg-faint);
  overflow: hidden;
}
.gauge .bar .fill {
  position: absolute;
  top: 0; left: 0; bottom: 0;
  background:
    repeating-linear-gradient(
      90deg,
      var(--fg) 0,
      var(--fg) 4px,
      rgba(0,0,0,0.3) 4px,
      rgba(0,0,0,0.3) 5px
    );
  box-shadow: 0 0 6px var(--fg-glow);
  transition: width 0.6s ease;
}
.gauge.warn .fill { background: repeating-linear-gradient(90deg, var(--warn) 0, var(--warn) 4px, rgba(0,0,0,0.3) 4px, rgba(0,0,0,0.3) 5px); box-shadow: 0 0 6px var(--warn); }
.gauge.danger .fill { background: repeating-linear-gradient(90deg, var(--danger) 0, var(--danger) 4px, rgba(0,0,0,0.3) 4px, rgba(0,0,0,0.3) 5px); box-shadow: 0 0 6px var(--danger); }

/* ── BUTTON RING ────────────────────────────────────────────── */

.buttons {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.btn {
  pointer-events: auto;
  position: absolute;
  width: 78px; height: 78px;
  display: grid;
  place-items: center;
  background: radial-gradient(circle at 30% 25%, rgba(57,255,136,0.12), rgba(4,17,10,0.9) 70%);
  border: 1px solid var(--fg-dim);
  color: var(--fg);
  font-family: var(--font-crt);
  font-size: 13px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: all 0.18s ease;
  clip-path: polygon(20% 0, 100% 0, 100% 80%, 80% 100%, 0 100%, 0 20%);
  box-shadow:
    inset 0 0 12px rgba(57,255,136,0.15),
    0 0 12px rgba(57,255,136,0.2);
}
.btn:hover, .btn:focus {
  outline: none;
  background: radial-gradient(circle at 30% 25%, rgba(57,255,136,0.3), rgba(10,40,20,0.95) 70%);
  border-color: var(--fg);
  transform: scale(1.06);
  box-shadow:
    inset 0 0 18px rgba(57,255,136,0.35),
    0 0 26px rgba(57,255,136,0.45);
}
.btn:active {
  transform: scale(0.96);
}

.btn .icon {
  font-size: 28px;
  line-height: 1;
  filter: drop-shadow(0 0 4px var(--fg-glow));
}

.btn .label {
  position: absolute;
  bottom: -22px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--fg-dim);
  white-space: nowrap;
}
.btn:hover .label, .btn:focus .label { color: var(--fg); text-shadow: var(--phosphor-blur); }

.btn .hotkey {
  position: absolute;
  top: 4px; right: 6px;
  font-family: var(--font-mono);
  font-size: 8px;
  color: var(--fg-faint);
}

/* radial arrangement — defaults, will be overridden by layout class */
.layout-radial .btn.b0 { top: 4%;   left: 50%; transform: translate(-50%, 0); }
.layout-radial .btn.b1 { top: 16%;  right: 2%; }
.layout-radial .btn.b2 { bottom: 16%; right: 2%; }
.layout-radial .btn.b3 { bottom: 4%;  left: 50%; transform: translate(-50%, 0); }
.layout-radial .btn.b4 { bottom: 16%; left: 2%; }
.layout-radial .btn.b5 { top: 16%;  left: 2%; }
.layout-radial .btn.b0:hover { transform: translate(-50%, 0) scale(1.06); }
.layout-radial .btn.b3:hover { transform: translate(-50%, 0) scale(1.06); }

/* arc layout — buttons below screen */
.layout-arc .btn { bottom: 6%; }
.layout-arc .btn.b0 { left: 8%;  transform: translateY(20px) rotate(-12deg); }
.layout-arc .btn.b1 { left: 22%; transform: translateY(8px)  rotate(-7deg); }
.layout-arc .btn.b2 { left: 36%; transform: translateY(0)    rotate(-2deg); }
.layout-arc .btn.b3 { left: 50%; transform: translateY(0)    rotate(2deg); }
.layout-arc .btn.b4 { left: 64%; transform: translateY(8px)  rotate(7deg); }
.layout-arc .btn.b5 { left: 78%; transform: translateY(20px) rotate(12deg); }

/* grid-bottom layout */
.layout-grid .btn { bottom: 4%; }
.layout-grid .btn.b0 { left: 4%;  }
.layout-grid .btn.b1 { left: 20%; }
.layout-grid .btn.b2 { left: 36%; }
.layout-grid .btn.b3 { left: 52%; }
.layout-grid .btn.b4 { left: 68%; }
.layout-grid .btn.b5 { left: 84%; }

/* ── SHAPE VARIATIONS ───────────────────────────────────────── */

.shape-hex .crt { border-radius: 0; clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%); }
.shape-hex .crt::before, .shape-hex .crt::after { clip-path: polygon(8% 0, 92% 0, 100% 50%, 92% 100%, 8% 100%, 0 50%); }

.shape-pod .device { aspect-ratio: 3/4; }
.shape-pod .crt { top: 10%; left: 14%; width: 72%; height: 42%; border-radius: 40% / 30%; }
.shape-pod .gauges { top: 60%; }

.shape-ring .ring.r1 { opacity: 1; border-width: 2px; border-style: solid; }
.shape-ring .crt { border-radius: 50%; width: 60%; height: 60%; left: 20%; top: 18%; }
.shape-ring .crt::before, .shape-ring .crt::after { border-radius: 50%; }

/* ── SIDE PANELS ────────────────────────────────────────────── */

.panel {
  position: fixed;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--fg-dim);
  padding: 14px 16px;
  background: linear-gradient(135deg, rgba(7,32,15,0.55), rgba(4,17,10,0.3));
  border: 1px solid var(--fg-faint);
  backdrop-filter: blur(6px);
  z-index: 55;
  clip-path: polygon(12px 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%, 0 12px);
}

.panel h3 {
  margin: 0 0 8px 0;
  font-family: var(--font-hud);
  font-size: 11px;
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
  letter-spacing: 0.25em;
}

.panel .row {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  padding: 3px 0;
  border-bottom: 1px dashed var(--fg-faint);
}
.panel .row:last-child { border-bottom: 0; }
.panel .row .k { color: var(--fg-dim); }
.panel .row .v { color: var(--fg); }

.panel.left {
  top: 80px;
  left: 20px;
  width: 220px;
}
.panel.right {
  top: 80px;
  right: 20px;
  width: 220px;
}
.panel.log {
  bottom: 20px;
  left: 20px;
  width: 280px;
  max-height: 180px;
  overflow: hidden;
}
.panel.log .line {
  padding: 2px 0;
  font-size: 10px;
  color: var(--fg-dim);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.panel.log .line.new { color: var(--fg); text-shadow: var(--phosphor-blur); }
.panel.log .line .t { color: var(--fg-faint); margin-right: 6px; }

.panel.help {
  bottom: 20px;
  right: 20px;
  width: 240px;
}

/* ── TWEAKS PANEL ───────────────────────────────────────────── */

.tweaks {
  position: fixed;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: none;
  z-index: 80;
  background: rgba(4,17,10,0.9);
  border: 1px solid var(--fg);
  padding: 14px 18px;
  backdrop-filter: blur(8px);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--fg);
  clip-path: polygon(14px 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%, 0 14px);
  max-width: 92vw;
}
.tweaks.on { display: block; }

.tweaks h4 {
  margin: 0 0 4px 0;
  font-family: var(--font-hud);
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
}

.tweaks .row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 8px 0;
  flex-wrap: wrap;
}
.tweaks .lbl {
  color: var(--fg-dim);
  min-width: 86px;
}
.tweaks .opts {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.tweaks .opt {
  border: 1px solid var(--fg-faint);
  background: transparent;
  color: var(--fg-dim);
  padding: 4px 8px;
  font-family: inherit;
  font-size: 9px;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
}
.tweaks .opt:hover { color: var(--fg); border-color: var(--fg); }
.tweaks .opt.active {
  background: var(--fg-faint);
  color: var(--fg);
  border-color: var(--fg);
  text-shadow: var(--phosphor-blur);
}
.tweaks .swatch {
  width: 12px; height: 12px;
  display: inline-block;
  vertical-align: middle;
  margin-right: 4px;
  border: 1px solid rgba(255,255,255,0.2);
}

/* ── PALETTE OVERRIDES ──────────────────────────────────────── */

body.palette-cyan {
  --fg: #5affe8; --fg-dim: #2bb8a8; --fg-faint: #0e5e55;
  --fg-glow: #5affe8; --grid: #0d3030; --bg-2: #072020;
  --phosphor-blur: 0 0 6px #5affe8, 0 0 14px rgba(90,255,232,0.4);
}
body.palette-amber {
  --fg: #ffb347; --fg-dim: #b57625; --fg-faint: #4a2e0e;
  --fg-glow: #ffb347; --grid: #2a1906; --bg-2: #200e03;
  --phosphor-blur: 0 0 6px #ffb347, 0 0 14px rgba(255,179,71,0.45);
}
body.palette-purple {
  --fg: #c78aff; --fg-dim: #8548c8; --fg-faint: #3a1960;
  --fg-glow: #c78aff; --grid: #22103a; --bg-2: #150822;
  --phosphor-blur: 0 0 6px #c78aff, 0 0 14px rgba(199,138,255,0.45);
}
body.palette-ghost {
  --fg: #e6fff4; --fg-dim: #8aa89a; --fg-faint: #334a3e;
  --fg-glow: #e6fff4; --grid: #1a2820; --bg-2: #0a1410;
  --phosphor-blur: 0 0 6px #e6fff4, 0 0 14px rgba(230,255,244,0.35);
}

/* FX intensity levels */
body.fx-0 { --scan-opacity: 0; --noise-opacity: 0; --fx-aberration: 0; }
body.fx-0 .bg-grid, body.fx-0 .bg-stars, body.fx-0 .bg-horizon { display: none; }
body.fx-1 { --scan-opacity: 0.08; --noise-opacity: 0.03; --fx-aberration: 0.5px; }
body.fx-2 { --scan-opacity: 0.18; --noise-opacity: 0.08; --fx-aberration: 1px; }
body.fx-3 { --scan-opacity: 0.32; --noise-opacity: 0.14; --fx-aberration: 2px; }

/* sleep state dim */
body.pet-sleeping .crt { filter: brightness(0.65); }
body.pet-sick .crt { filter: hue-rotate(-40deg) brightness(0.9); }

/* toast / floating feedback */
.toast {
  position: absolute;
  left: 50%;
  top: 30%;
  transform: translateX(-50%);
  font-family: var(--font-crt);
  font-size: 22px;
  color: var(--fg);
  text-shadow: var(--phosphor-blur);
  pointer-events: none;
  z-index: 9;
  animation: toast-up 1.2s ease-out forwards;
}
@keyframes toast-up {
  0%   { opacity: 0; transform: translate(-50%, 10px); }
  20%  { opacity: 1; transform: translate(-50%, 0); }
  100% { opacity: 0; transform: translate(-50%, -40px); }
}

/* boot overlay */
.boot {
  position: fixed; inset: 0;
  background: var(--bg-0);
  z-index: 200;
  display: grid;
  place-items: center;
  font-family: var(--font-crt);
  color: var(--fg);
  animation: boot-fade 2.8s ease-out forwards;
  pointer-events: none;
}
.boot .boot-inner {
  font-size: 16px;
  line-height: 1.5;
  text-shadow: var(--phosphor-blur);
}
@keyframes boot-fade {
  0%, 75% { opacity: 1; }
  100% { opacity: 0; visibility: hidden; }
}

/* small screen fallback */
@media (max-width: 680px) {
  .panel.left, .panel.right { display: none; }
  .device { width: 92vw; }
}

@media (max-height: 700px) {
  .panel.log { max-height: 100px; }
}