.particle-screen {
  position: fixed;
  inset: 0;
  z-index: 8;
  overflow: hidden;
  background: #05050c;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition:
    opacity 0.9s var(--ease-standard);
}

.particle-screen.is-visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.particle-screen__video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scaleX(-1);
  filter: brightness(0.82) saturate(1.1) contrast(1.02);
}

.particle-screen__scene {
  position: absolute;
  inset: 0;
}

.particle-screen__scene canvas {
  display: block;
}

.particle-screen .brand-mark--light {
  color: #f6f4ef;
}

.particle-screen .brand-mark--light .brand-mark__meta {
  color: rgba(246, 244, 239, 0.6);
}

.particle-screen__badge,
.particle-screen__status,
.particle-screen__hint {
  position: absolute;
  z-index: 3;
  background: rgba(8, 6, 16, 0.55);
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.16);
  border-radius: 22px;
  padding: 8px 20px;
  font-size: 13px;
  letter-spacing: 0.4px;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  box-shadow: 0 6px 30px rgba(0, 0, 0, 0.35);
  text-align: center;
  pointer-events: none;
  line-height: 1.55;
}

.particle-screen__badge {
  top: 3.8rem;
  right: 3.8rem;
  font-size: 12px;
  padding: 6px 14px;
  opacity: 0.9;
}

.particle-screen__status {
  top: 14px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  max-width: 90vw;
}

.particle-screen__hint {
  bottom: 14px;
  left: 50%;
  transform: translateX(-50%);
  font-size: 12.5px;
  max-width: 92vw;
}

.particle-screen__tag {
  color: #ffb3d9;
}

.particle-screen__loading {
  position: fixed;
  inset: 0;
  z-index: 5;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  color: #fff;
  background: rgba(5, 5, 12, 0.72);
  backdrop-filter: blur(4px);
  font-size: 15px;
  letter-spacing: 1px;
  transition: opacity 0.6s;
}

.particle-screen__loading.is-hidden {
  opacity: 0;
  pointer-events: none;
}

.particle-screen__spinner {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: 3px solid rgba(255, 158, 207, 0.25);
  border-top-color: #ff9ecf;
  animation: particleSpin 1s linear infinite;
}

@keyframes particleSpin {
  to {
    transform: rotate(360deg);
  }
}

.particle-screen__err {
  color: #ff7b9c;
  font-size: 13px;
  letter-spacing: 0;
  text-align: center;
  max-width: 80vw;
}

.particle-screen .side-nav--light {
  position: absolute;
  right: 5rem;
  top: 50%;
  display: flex;
  flex-direction: column;
  gap: 1.15rem;
  padding: 1.25rem 1.15rem;
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 1.1rem;
  background: rgba(18, 24, 30, 0.24);
  backdrop-filter: blur(16px);
  box-shadow:
    0 18px 40px rgba(0, 0, 0, 0.16),
    inset 0 1px 0 rgba(255, 255, 255, 0.08);
  opacity: 0;
  transform: translateY(-50%) translateX(24px);
}

.particle-screen.is-visible .side-nav--light {
  animation: particleNavIn 0.75s 0.34s var(--ease-standard) forwards;
}

.particle-screen .side-nav--light .side-nav__item {
  text-align: right;
  color: rgba(246, 244, 239, 0.78);
}

.particle-screen .side-nav--light .side-nav__item:hover,
.particle-screen .side-nav--light .side-nav__item:focus-visible {
  color: #fff;
}

.particle-screen .side-nav--light .side-nav__item--active {
  color: #ff8c00;
}

.particle-screen .screen-footer {
  display: none;
}

@keyframes particleNavIn {
  to {
    opacity: 1;
    transform: translateY(-50%) translateX(0);
  }
}

@media (max-width: 1100px) {
  .particle-screen__badge {
    top: 2rem;
    right: 1.5rem;
  }

  .particle-screen .side-nav--light {
    right: 1.5rem;
  }
}

@media (max-width: 640px) {
  .particle-screen .side-nav--light {
    top: auto;
    bottom: 4.2rem;
    transform: translateY(0) translateX(24px);
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem 1rem;
  }

  .particle-screen.is-visible .side-nav--light {
    animation: particleNavInMobile 0.75s 0.34s var(--ease-standard) forwards;
  }

  .particle-screen .side-nav--light .side-nav__item {
    text-align: center;
  }

  .particle-screen__hint {
    bottom: 0.6rem;
  }

  .particle-screen__status {
    white-space: normal;
    line-height: 1.5;
  }
}

@keyframes particleNavInMobile {
  to {
    opacity: 1;
    transform: translateY(0) translateX(0);
  }
}