#loading-placeholder {
  position: fixed;
  overflow: hidden;
  background:
    radial-gradient(circle at 18% 18%, rgba(114, 225, 255, 0.24), transparent 28%),
    radial-gradient(circle at 82% 16%, rgba(94, 108, 255, 0.2), transparent 26%),
    linear-gradient(145deg, #081321 0%, #0d1f38 52%, #132846 100%);
  z-index: -1;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

#loading-placeholder::before,
#loading-placeholder::after {
  content: "";
  position: absolute;
  border-radius: 999px;
  filter: blur(18px);
  opacity: 0.4;
}

#loading-placeholder::before {
  width: 240px;
  height: 240px;
  top: 12%;
  left: 8%;
  background: rgba(82, 223, 255, 0.16);
}

#loading-placeholder::after {
  width: 280px;
  height: 280px;
  right: 6%;
  bottom: 10%;
  background: rgba(94, 108, 255, 0.18);
}

#loading-placeholder .loading-shell {
  width: min(560px, calc(100vw - 48px));
  padding: 34px 36px 30px;
  border: 1px solid rgba(154, 190, 255, 0.16);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.9);
  box-shadow:
    0 28px 60px rgba(3, 10, 24, 0.18),
    inset 0 1px 0 rgba(255, 255, 255, 0.55);
  backdrop-filter: blur(18px);
}

#loading-placeholder .brand-panel {
  display: flex;
  align-items: center;
  gap: 20px;
}

#loading-placeholder .brand-mark {
  width: 88px;
  height: 88px;
  flex: 0 0 88px;
  animation: float-mark 3.6s ease-in-out infinite;
}

#loading-placeholder .title-wrapper {
  min-width: 0;
}

#loading-placeholder .title {
  margin: 0;
  color: #0f2745;
  font-family:
    BlinkMacSystemFont,
    -apple-system,
    segoe ui,
    roboto,
    oxygen,
    ubuntu,
    cantarell,
    fira sans,
    droid sans,
    helvetica neue,
    helvetica,
    arial,
    sans-serif;
  font-size: clamp(34px, 4vw, 42px);
  font-weight: 700;
  letter-spacing: -0.05em;
  line-height: 1;
  white-space: nowrap;
}

#loading-placeholder .sub-title {
  margin-top: 10px;
  color: #4f6d92;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

#loading-placeholder .status-row {
  margin-top: 28px;
}

#loading-placeholder .loading-bar {
  position: relative;
  overflow: hidden;
  height: 8px;
  border-radius: 999px;
  background: rgba(79, 120, 170, 0.16);
}

#loading-placeholder .loading-bar > span {
  position: absolute;
  inset: 0;
  border-radius: inherit;
  background: linear-gradient(90deg, #77f6ff 0%, #49b2ff 45%, #5e6cff 100%);
  transform-origin: left center;
  animation: loading-sweep 1.8s ease-in-out infinite;
}

#loading-placeholder .loading-text {
  margin-top: 14px;
  color: #5f7898;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.01em;
  animation: blink-loading 2s ease-in-out infinite;
}

@keyframes blink-loading {
  0% {
    opacity: 1;
  }

  50% {
    opacity: 0.55;
  }

  100% {
    opacity: 1;
  }
}

@keyframes float-mark {
  0% {
    transform: translateY(0);
  }

  50% {
    transform: translateY(-5px);
  }

  100% {
    transform: translateY(0);
  }
}

@keyframes loading-sweep {
  0% {
    transform: translateX(-65%) scaleX(0.42);
  }

  50% {
    transform: translateX(0%) scaleX(1);
  }

  100% {
    transform: translateX(65%) scaleX(0.52);
  }
}

#login-canvas {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  z-index: -1;
}

@media (max-width: 640px) {
  #loading-placeholder .loading-shell {
    width: min(420px, calc(100vw - 32px));
    padding: 28px 22px 24px;
    border-radius: 24px;
  }

  #loading-placeholder .brand-panel {
    flex-direction: column;
    align-items: flex-start;
    gap: 16px;
  }

  #loading-placeholder .brand-mark {
    width: 76px;
    height: 76px;
  }

  #loading-placeholder .title {
    font-size: 32px;
    white-space: normal;
  }

  #loading-placeholder .sub-title {
    letter-spacing: 0.05em;
  }
}