#loading-overlay,
.signal-loading-overlay {
  position: fixed;
  inset: 0;
  z-index: 99999;
  display: grid;
  place-items: center;
  padding: 20px;
  color: #d8e4f2;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background:
    radial-gradient(circle at 50% 44%, rgba(102, 208, 255, 0.11), transparent 25%),
    radial-gradient(circle at 50% 62%, rgba(214, 177, 90, 0.06), transparent 23%),
    linear-gradient(180deg, #030b18 0%, #071428 52%, #030914 100%);
  opacity: 1;
  visibility: visible;
  transition: opacity 420ms ease, visibility 420ms ease;
}

.signal-loading-overlay::before,
.signal-loading-overlay::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.signal-loading-overlay::before {
  background:
    linear-gradient(90deg, rgba(102, 208, 255, 0.045) 1px, transparent 1px),
    linear-gradient(0deg, rgba(102, 208, 255, 0.032) 1px, transparent 1px);
  background-size: 76px 76px;
  mask-image: radial-gradient(circle at 50% 50%, black 0%, transparent 72%);
  opacity: 0.42;
}

.signal-loading-overlay::after {
  width: min(420px, 72vw);
  height: min(420px, 72vw);
  inset: auto;
  left: 50%;
  top: 50%;
  border: 1px solid rgba(87, 216, 255, 0.10);
  border-radius: 50%;
  box-shadow:
    0 0 80px rgba(102, 208, 255, 0.07),
    inset 0 0 80px rgba(214, 177, 90, 0.045);
  transform: translate(-50%, -50%);
  opacity: 0.82;
}

.signal-loader-card {
  position: relative;
  z-index: 1;
  width: min(520px, 88vw);
  display: grid;
  justify-items: center;
  gap: 12px;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(124, 206, 255, 0.26);
  border-radius: 18px;
  background:
    linear-gradient(180deg, rgba(8, 20, 37, 0.92), rgba(3, 11, 24, 0.96)),
    radial-gradient(circle at 50% 8%, rgba(214, 177, 90, 0.08), transparent 42%);
  box-shadow:
    0 24px 72px rgba(0, 0, 0, 0.50),
    0 0 54px rgba(102, 208, 255, 0.09),
    inset 0 1px 0 rgba(255, 255, 255, 0.07);
  overflow: hidden;
}

.signal-loader-card::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(110deg, transparent 22%, rgba(102, 208, 255, 0.055) 44%, transparent 64%);
  transform: translateX(-120%);
  animation: signal-loader-shimmer 2.7s ease-in-out infinite;
}

.signal-loader-brand {
  position: relative;
  z-index: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  color: #d8e4f2;
  font-weight: 850;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  font-size: 0.84rem;
}

.signal-loader-glyph {
  color: #d6b15a;
  font-size: 1.35rem;
  line-height: 1;
  filter: drop-shadow(0 0 12px rgba(214, 177, 90, 0.34));
  animation: signal-loader-pulse 1.8s ease-in-out infinite;
}

.signal-loader-wave {
  position: relative;
  z-index: 1;
  width: min(360px, 72vw);
  height: 92px;
  display: grid;
  place-items: center;
  margin: 4px 0 0;
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 50%, rgba(102, 208, 255, 0.10), transparent 54%),
    linear-gradient(90deg, rgba(214, 177, 90, 0.055), rgba(61, 167, 214, 0.08));
  overflow: hidden;
}

.signal-loader-wave::before,
.signal-loader-wave::after {
  content: "";
  position: absolute;
  inset: 50% 20px auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(214, 177, 90, 0.48), rgba(102, 208, 255, 0.64), transparent);
  box-shadow: 0 0 18px rgba(102, 208, 255, 0.22);
}

.signal-loader-wave::after {
  inset: 14px;
  height: auto;
  border: 1px solid rgba(124, 206, 255, 0.12);
  border-radius: 14px;
  background: none;
  box-shadow: inset 0 0 42px rgba(2, 6, 17, 0.38);
}

.signal-loader-wave svg {
  position: relative;
  z-index: 1;
  width: min(340px, 68vw);
  height: 86px;
  overflow: visible;
}

.signal-wave-grid {
  fill: none;
  stroke: rgba(142, 167, 194, 0.18);
  stroke-width: 1;
  vector-effect: non-scaling-stroke;
}

.signal-wave-line {
  fill: none;
  stroke-linecap: round;
  stroke-linejoin: round;
  vector-effect: non-scaling-stroke;
  stroke-dasharray: 0.54 0.46;
  animation: signal-wave-phase 2.8s ease-in-out infinite;
  filter: drop-shadow(0 0 9px rgba(102, 208, 255, 0.26));
}

.signal-wave-line-a {
  stroke: #66d0ff;
  stroke-width: 2.2;
}

.signal-wave-line-b {
  stroke: rgba(214, 177, 90, 0.78);
  stroke-width: 1.4;
  stroke-dasharray: 0.42 0.58;
  animation-duration: 3.4s;
  animation-direction: reverse;
}

.signal-wave-line-c {
  stroke: rgba(61, 167, 214, 0.60);
  stroke-width: 1;
  stroke-dasharray: 0.26 0.74;
  animation-duration: 4.2s;
}

.signal-wave-node {
  fill: #d6b15a;
  opacity: 0.9;
  filter: drop-shadow(0 0 9px rgba(214, 177, 90, 0.44));
  animation: signal-node-pulse 2.4s ease-in-out infinite;
}

.signal-wave-node-b,
.signal-wave-node-c {
  fill: #66d0ff;
  animation-delay: -0.8s;
}

.signal-loader-line {
  position: relative;
  z-index: 1;
  margin: 0;
  color: #d8e4f2;
  font-size: clamp(1.08rem, 2.1vw, 1.42rem);
  font-weight: 850;
  letter-spacing: 0;
  text-align: center;
}

.signal-loader-status {
  position: relative;
  z-index: 1;
  margin: -5px 0 0;
  color: #8ea7c2;
  font-size: 0.86rem;
  text-align: center;
}

.signal-loader-progress {
  position: relative;
  z-index: 1;
  height: 6px;
  width: min(300px, 66vw);
  margin: 0 auto;
  overflow: hidden;
  border-radius: 999px;
  background: rgba(142, 167, 194, 0.13);
  box-shadow: inset 0 1px 3px rgba(0, 0, 0, 0.45);
}

.signal-loader-progress span {
  position: absolute;
  inset: 0 auto 0 0;
  width: 36%;
  border-radius: inherit;
  background: linear-gradient(90deg, transparent, #d6b15a, #66d0ff, transparent);
  box-shadow: 0 0 22px rgba(102, 208, 255, 0.28);
  animation: signal-loader-progress 1.35s ease-in-out infinite;
}

#loading-overlay.done,
#loading-overlay.is-dismissing,
.signal-loading-overlay.done,
.signal-loading-overlay.is-dismissing {
  opacity: 0;
  visibility: hidden;
}

#bootloader {
  display: none !important;
}

@keyframes signal-wave-phase {
  0% { stroke-dashoffset: 0; opacity: 0.58; }
  45% { opacity: 1; }
  100% { stroke-dashoffset: -1; opacity: 0.72; }
}

@keyframes signal-node-pulse {
  0%, 100% { opacity: 0.48; transform: scale(0.92); transform-origin: center; }
  50% { opacity: 1; transform: scale(1.12); transform-origin: center; }
}

@keyframes signal-loader-progress {
  0% { transform: translateX(-110%); }
  55% { transform: translateX(105%); }
  100% { transform: translateX(255%); }
}

@keyframes signal-loader-shimmer {
  0%, 38% { transform: translateX(-120%); }
  72%, 100% { transform: translateX(120%); }
}

@keyframes signal-loader-pulse {
  0%, 100% { opacity: 0.72; transform: scale(1); }
  50% { opacity: 1; transform: scale(1.05); }
}

@media (max-width: 640px) {
  .signal-loader-card {
    width: min(380px, 88vw);
    gap: 11px;
    border-radius: 22px;
  }

  .signal-loader-wave {
    height: 76px;
  }

  .signal-loader-wave svg {
    width: min(312px, 70vw);
    height: 72px;
  }

  .signal-loader-brand {
    font-size: 0.74rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .signal-loader-card::before,
  .signal-loader-glyph,
  .signal-loader-progress span,
  .signal-wave-line,
  .signal-wave-node {
    animation: none;
  }

  .signal-loader-progress span {
    width: 100%;
  }
}