/* A decorative layer below all product content; it cannot intercept clicks,
   receive focus, announce updates or create scrollbars. */
.ambient-field {
  --echo-peak: 0.32;
  position: fixed;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  pointer-events: none;
  user-select: none;
  contain: strict;
}
.ambient-field::before {
  content: "";
  position: absolute;
  inset: -20%;
  background:
    radial-gradient(
      ellipse at 90% 18%,
      color-mix(in srgb, var(--accent) 11%, transparent),
      transparent 40%
    ),
    radial-gradient(
      ellipse at 12% 85%,
      color-mix(in srgb, var(--accent-secondary) 12%, transparent),
      transparent 45%
    );
  animation: atmosphere-breathe 24s ease-in-out infinite alternate;
}
.ambient-grid {
  position: absolute;
  inset: -48px;
  background-image:
    linear-gradient(
      color-mix(in srgb, var(--accent) 8%, transparent) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--accent) 8%, transparent) 1px,
      transparent 1px
    );
  background-size: 72px 72px;
  mask-image: radial-gradient(ellipse at 85% 35%, #000, transparent 65%);
  transform: translate3d(
    calc(var(--scene-x) * -0.45),
    calc(var(--scene-y) * -0.45),
    0
  );
}
.ambient-stars {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0.85;
}
:root:not([data-background="grid"]) .ambient-grid,
:root:not([data-background="stars"]) .ambient-stars {
  display: none;
}
:root[data-glow="false"] .ambient-field::before,
:root[data-glow="false"] .ambient-glow,
:root[data-background="solid"] .ambient-field::before,
:root[data-background="solid"] .ambient-glow,
:root[data-background="solid"] .ambient-halo,
:root[data-cursor-glow="false"] .ambient-halo {
  display: none;
}
:root[data-background="solid"] .hero,
:root[data-background="solid"] .hero::after,
:root[data-glow="false"] .hero {
  background: none;
}
:root[data-background="solid"] .hero-orbit {
  display: none;
}
:root[data-glow="false"] .hero-orbit {
  box-shadow: none;
  background: none;
}
:root[data-card-depth="false"]
  :is(.lift-card, .asset-card, .entry-path, .palette-option, .principle) {
  transform: none !important;
}

.effects-studio {
  border-top: 1px solid var(--line);
  padding-top: 26px;
}
.effects-hint {
  color: var(--muted);
  font-size: 13px;
  margin: 9px 0 20px;
}
.background-options {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
}
.background-options button {
  display: grid;
  gap: 12px;
  text-align: left;
  padding: 8px 8px 15px;
  border-radius: 12px;
}
.background-options strong {
  font-size: 14px;
  font-weight: 500;
  padding: 0 6px;
}
.background-options [aria-pressed="true"] {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 14%, transparent);
}
.backdrop-swatch {
  display: grid;
  place-items: center;
  height: 64px;
  border-radius: 7px;
  background-color: var(--bg);
  color: var(--accent);
  font-size: 22px;
  letter-spacing: 0.4em;
}
.backdrop-grid {
  background-image:
    linear-gradient(
      color-mix(in srgb, var(--accent) 15%, transparent) 1px,
      transparent 1px
    ),
    linear-gradient(
      90deg,
      color-mix(in srgb, var(--accent) 15%, transparent) 1px,
      transparent 1px
    );
  background-size: 16px 16px;
}
.effect-switches {
  display: grid;
  grid-template-columns: 1fr 1fr;
  column-gap: 30px;
  margin-top: 22px;
}
.effect-control {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  min-height: 90px;
  border-bottom: 1px solid var(--line);
  padding: 16px 0;
  cursor: pointer;
}
.effect-control strong {
  display: block;
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
}
.effect-control small {
  display: block;
  color: var(--muted);
  font-size: 12px;
  margin-top: 5px;
  line-height: 1.5;
}
.effect-control input {
  appearance: none;
  width: 42px;
  height: 24px;
  min-width: 42px;
  border-radius: 20px;
  padding: 0;
  margin: 0;
  background: var(--bg);
  cursor: pointer;
  transition: background 0.2s;
}
.effect-control input::after {
  content: "";
  display: block;
  width: 16px;
  height: 16px;
  margin: 3px;
  border-radius: 50%;
  background: var(--muted);
  transition: transform 0.2s;
}
.effect-control input:checked {
  background: var(--accent);
  border-color: var(--accent);
}
.effect-control input:checked::after {
  background: var(--accent-ink);
  transform: translateX(17px);
}
.effect-disabled {
  opacity: 0.45;
  cursor: default;
}
.effect-control input:disabled {
  cursor: default;
}
.density-control {
  display: grid;
  grid-template-columns: 1fr minmax(120px, 230px);
  align-items: center;
  gap: 20px;
  margin-top: 24px;
  font-size: 14px;
  color: var(--text);
}
.density-control select:disabled {
  opacity: 0.45;
}
@media (max-width: 650px) {
  .effect-switches {
    grid-template-columns: 1fr;
  }
  .background-options {
    gap: 8px;
  }
  .background-options strong {
    font-size: 12px;
  }
  .density-control {
    grid-template-columns: 1fr 130px;
  }
}
@media (forced-colors: active) {
  .effect-control input {
    appearance: auto;
  }
  .effect-control input::after {
    display: none;
  }
  .background-options [aria-pressed="true"] {
    outline: 2px solid Highlight;
  }
}
.ambient-halo {
  position: absolute;
  inset: 0;
  background: radial-gradient(
    380px circle at var(--pointer-x, 65%) var(--pointer-y, 35%),
    color-mix(in srgb, var(--accent) 10%, transparent),
    transparent 75%
  );
}
#ambient-data {
  position: absolute;
  inset: 0;
  mask-image: linear-gradient(
    90deg,
    #000 10%,
    #0009 23%,
    #0003 37%,
    #0003 63%,
    #0009 77%,
    #000 90%
  );
}
.data-echo {
  position: absolute;
  display: grid;
  gap: 7px;
  width: max-content;
  max-width: min(250px, 35vw);
  padding: 14px 18px;
  color: var(--accent);
  opacity: 0;
  border-left: 1px solid color-mix(in srgb, var(--accent) 55%, transparent);
  background: linear-gradient(
    90deg,
    color-mix(in srgb, var(--accent) 5%, transparent),
    transparent
  );
  font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  font-variant-numeric: tabular-nums;
  animation: data-echo var(--echo-life, 10s) ease-in-out both;
}
.data-echo::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 0;
  width: 5px;
  height: 1px;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}
.echo-symbol {
  font-size: 12px;
  letter-spacing: 0.16em;
  line-height: 1.2;
}
.data-echo[data-kind="galaxies"] {
  color: var(--accent-secondary);
  border-left-color: color-mix(
    in srgb,
    var(--accent-secondary) 55%,
    transparent
  );
}
.data-echo[data-kind="galaxies"]::before {
  background: var(--accent-secondary);
  box-shadow: 0 0 12px var(--accent-secondary);
}
.pop-content-control .effects-hint {
  margin-bottom: 0;
}
.echo-value {
  font-size: clamp(14px, 1.5vw, 19px);
  font-weight: 400;
  letter-spacing: -0.02em;
  line-height: 1.35;
}
.data-echo small {
  font-size: 12px;
  color: var(--muted);
  line-height: 1.5;
  max-width: 25ch;
}
body[data-page="home"] .ambient-field {
  --echo-peak: 0.48;
}
body[data-page="home"] #ambient-data {
  mask-image: linear-gradient(90deg, transparent 35%, #000 60%);
}
body[data-page="ai"] .ambient-field {
  display: none;
}
:root[data-theme="light"] .ambient-field {
  --echo-peak: 0.25;
}
:root[data-theme="light"] body[data-page="home"] .ambient-field {
  --echo-peak: 0.36;
}
:root[data-motion="subtle"] .ambient-field {
  --echo-peak: 0.22;
}
:root[data-motion="subtle"] .ambient-field::before {
  animation-duration: 40s;
}
:root[data-motion="subtle"] .ambient-halo {
  opacity: 0.5;
}
@keyframes data-echo {
  0% {
    opacity: 0;
    transform: translate3d(0, 14px, 0);
    filter: blur(3px);
  }
  20% {
    opacity: var(--echo-peak);
    filter: blur(0);
  }
  60% {
    opacity: var(--echo-peak);
  }
  100% {
    opacity: 0;
    transform: translate3d(var(--echo-drift, 18px), -22px, 0);
    filter: blur(2px);
  }
}
@keyframes atmosphere-breathe {
  from {
    transform: translate3d(-1%, 0, 0) scale(1);
    opacity: 0.65;
  }
  to {
    transform: translate3d(2%, -2%, 0) scale(1.06);
    opacity: 1;
  }
}
@media (max-width: 699px) {
  .ambient-field {
    --echo-peak: 0.22;
  }
  .data-echo {
    max-width: 42vw;
    padding: 10px;
  }
  .ambient-halo {
    display: none;
  }
  .ambient-grid {
    background-size: 54px 54px;
  }
}
:root[data-motion="off"] .data-echo,
:root[data-motion="off"] .ambient-halo {
  display: none;
}
:root[data-motion="off"] .ambient-grid {
  transform: none;
}
@media (prefers-reduced-motion: reduce) {
  .data-echo,
  .ambient-halo {
    display: none;
  }
  .ambient-field::before {
    animation: none;
  }
  .ambient-grid {
    transform: none;
  }
}
@media (forced-colors: active) {
  .ambient-field {
    display: none;
  }
}