/* Neon frame borders — slim pulsing glow + border undulation */

:root {
  --v2-neon-teal: #42fff0;
  --v2-neon-teal-bright: #7dffef;
  --v2-neon-glow-soft: rgba(66, 255, 240, 0.22);
  --v2-neon-glow-mid: rgba(66, 255, 240, 0.38);
  --v2-neon-glow-strong: rgba(66, 255, 240, 0.55);
  --v2-frame-border-color: rgba(66, 255, 240, 0.14);
  --v2-neon-border-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
  /* Tunable frame glow — slim/refined defaults */
  --v2-frame-glow-pulse-duration: 5.5s;
  --v2-frame-glow-pulse-ease: ease-in-out;
  --v2-frame-glow-radius-near: 5px;
  --v2-frame-glow-radius-far: 14px;
  --v2-frame-glow-opacity-min: 0.14;
  --v2-frame-glow-opacity-max: 0.28;
  --v2-frame-border-wave-duration: 11s;
  --v2-frame-border-stroke: 1px;
}

whatimado-frame .whatimado-frame__inner {
  position: relative;
  border-width: var(--v2-frame-border-stroke);
  border-color: var(--v2-frame-border-color);
  box-shadow: none;
}

whatimado-frame.is-docked .whatimado-frame__inner {
  box-shadow:
    0 calc(8px + var(--v2-frame-elevation, 0) * 16px) calc(24px + var(--v2-frame-elevation, 0) * 20px)
      rgba(0, 0, 0, calc(0.18 + var(--v2-frame-elevation, 0) * 0.22));
}

.v2-rail--right {
  border-width: var(--v2-frame-border-stroke);
  border-color: var(--v2-frame-border-color);
  box-shadow: none;
}

.v2-rail--left {
  z-index: 50;
  border-width: var(--v2-frame-border-stroke);
  border-color: var(--v2-frame-border-color);
  box-shadow: none;
}

whatimado-frame .whatimado-frame__inner::before,
.v2-rail--left::before,
.v2-rail--right::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 2;
  padding: 1px;
  background: linear-gradient(
    90deg,
    rgba(66, 255, 240, 0.03) 0%,
    rgba(125, 255, 239, 0.14) 20%,
    rgba(66, 255, 240, 0.04) 40%,
    rgba(125, 255, 239, 0.11) 60%,
    rgba(66, 255, 240, 0.03) 80%,
    rgba(125, 255, 239, 0.12) 92%,
    rgba(66, 255, 240, 0.03) 100%
  );
  background-size: 320% 100%;
  -webkit-mask: var(--v2-neon-border-mask);
  -webkit-mask-composite: xor;
  mask: var(--v2-neon-border-mask);
  mask-composite: exclude;
  animation: v2-neon-wave-travel var(--v2-frame-border-wave-duration) ease-in-out infinite;
}

whatimado-frame .whatimado-frame__inner::after,
.v2-rail--left::after,
.v2-rail--right::after {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  pointer-events: none;
  z-index: 3;
  opacity: 0;
  padding: 1px;
  background: linear-gradient(
    100deg,
    transparent 36%,
    rgba(125, 255, 239, 0.12) 44%,
    rgba(180, 255, 248, 0.55) 50%,
    rgba(125, 255, 239, 0.12) 56%,
    transparent 64%
  );
  background-size: 400% 100%;
  background-position: 150% 0;
  -webkit-mask: var(--v2-neon-border-mask);
  -webkit-mask-composite: xor;
  mask: var(--v2-neon-border-mask);
  mask-composite: exclude;
}

whatimado-frame .whatimado-frame__inner.v2-neon-sweep-active::after,
.v2-rail--left.v2-neon-sweep-active::after,
.v2-rail--right.v2-neon-sweep-active::after {
  opacity: 1;
  animation: v2-neon-frame-sweep 6.5s cubic-bezier(0.45, 0.05, 0.2, 1) forwards;
}

whatimado-frame .whatimado-frame__body,
whatimado-frame .whatimado-frame__body-wrap,
whatimado-frame .whatimado-frame__composer,
.v2-rail-brand,
.v2-rail-body,
.v2-rail-foot,
.v2-rail--right > * {
  position: relative;
  z-index: 1;
}

@keyframes v2-neon-wave-travel {
  0%,
  100% {
    background-position: 0% 50%;
    opacity: 0.22;
  }
  50% {
    background-position: 100% 50%;
    opacity: 0.34;
  }
}

@keyframes v2-neon-frame-sweep {
  0% {
    background-position: 150% 0;
    opacity: 0;
  }
  6% {
    opacity: 0.5;
  }
  94% {
    opacity: 0.5;
  }
  100% {
    background-position: -50% 0;
    opacity: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  whatimado-frame .whatimado-frame__inner,
  .v2-rail--left,
  .v2-rail--right {
    box-shadow: none;
  }

  whatimado-frame .whatimado-frame__inner::before,
  .v2-rail--left::before,
  .v2-rail--right::before {
    animation: none;
    opacity: 0.28;
    background-position: 50% 50%;
  }

  whatimado-frame .whatimado-frame__inner.v2-neon-sweep-active::after,
  .v2-rail--left.v2-neon-sweep-active::after,
  .v2-rail--right.v2-neon-sweep-active::after {
    animation: none;
    opacity: 0;
  }
}