#blankOverlay {
  position: fixed;
  inset: 0;
  background: #ffffff;
  z-index: 9999999;
  display: flex;
  align-items: center;
  justify-content: center;
}
.spinner {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  animation: spin 0.85s linear infinite;
}

.spiral {
  width: 64px;
  height: 64px;
  position: relative;
}

.spiral span {
  position: absolute;
  inset: 0;
  --base: calc(var(--i) * 120deg);
  animation: swirl 1.9s linear infinite;
  will-change: transform, opacity;
}

.spiral span::before {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #2563eb;
  transform: translate(-50%, -50%);
}

@keyframes swirl {
  0% {
    transform: rotate(var(--base)) translateX(0);
    opacity: 0.85;
  }
  10% {
    transform: rotate(calc(var(--base) + 120deg)) translateX(2px);
    opacity: 0.9;
  }
  20% {
    transform: rotate(calc(var(--base) + 240deg)) translateX(5px);
    opacity: 0.95;
  }
  30% {
    transform: rotate(calc(var(--base) + 360deg)) translateX(9px);
    opacity: 1;
  }
  40% {
    transform: rotate(calc(var(--base) + 480deg)) translateX(14px);
    opacity: 1;
  }
  50% {
    transform: rotate(calc(var(--base) + 600deg)) translateX(18px);
    opacity: 1;
  }

  60% {
    transform: rotate(calc(var(--base) + 720deg)) translateX(14px);
    opacity: 1;
  }
  70% {
    transform: rotate(calc(var(--base) + 840deg)) translateX(9px);
    opacity: 0.98;
  }
  80% {
    transform: rotate(calc(var(--base) + 960deg)) translateX(5px);
    opacity: 0.94;
  }
  90% {
    transform: rotate(calc(var(--base) + 1080deg)) translateX(2px);
    opacity: 0.9;
  }
  100% {
    transform: rotate(calc(var(--base) + 1200deg)) translateX(0);
    opacity: 0.85;
  }
}

@media (prefers-reduced-motion: reduce) {
  .spiral span {
    animation: none;
  }
}

.myapp-loader-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 6px;
  transform: translateZ(0);
  text-align: center;
  width: 100%;
  margin-top: 20px;
}

.loader-text2.wave-spot {
  display: inline-block;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  background: linear-gradient(90deg, rgba(17, 24, 39, 0.55) 0%, rgba(17, 24, 39, 0.55) 38%, #3674d9 50%, rgba(54, 116, 217, 0.55) 58%, rgba(17, 24, 39, 0.55) 72%, rgba(17, 24, 39, 0.55) 100%);
  background-size: 320% 100%;
  background-position: 0% 50%;
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  animation:
    waveSweep 1.8s ease-in-out infinite,
    subtleScale 1.8s ease-in-out infinite;
  will-change: background-position, transform;
}

@keyframes waveSweep {
  0% {
    background-position: 0% 50%;
  }
  100% {
    background-position: 100% 50%;
  }
}

@keyframes subtleScale {
  0%,
  100% {
    transform: scale(1);
  }
  50% {
    transform: scale(1.1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .loader-text2.wave-spot {
    animation: none;
    color: #3674d9;
    background: none;
  }
}

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

.progress-bar {
    width: 70%;
    max-width: 320px;
    height: 6px;
    background: rgba(25, 118, 210, 0.15) !important;
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 36px;
    margin-top: 10px;
    position: relative;
}

.progress-fill {
  width: 0%;
  height: 100%;
  background: #1976d2;
  position: relative;
  transition: width 0.3s ease-out;
}

.progress-fill::after {
  content: "";
  position: absolute;
  top: 0;
  left: -40%;
  width: 40%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.6), transparent);
  animation: shine 1.5s infinite;
}

@keyframes shine {
  0% {
    left: -40%;
  }
  100% {
    left: 100%;
  }
}

#logoImg2 {
  position: absolute;
  left: 40px;
  top: 40px;
  height: 60px;
  user-select: none;
}

.overlay-btn {
  position: absolute;
  bottom: calc(30px + env(safe-area-inset-bottom));
  left: 50%;
  transform: translateX(-50%) translateY(12px);

  width: 100%;
  height: 80px;
  border-radius: 16px;
  max-width: 480px;

  color: #000;
  border: none;
  cursor: pointer;
  text-align: center;
  text-decoration: none;

  font-weight: 800;
  font-size: 16px;

  display: flex;
  justify-content: center;
  align-items: center;
  flex-direction: column;
  padding: 10px;

  /* ✨ 추가 */
  opacity: 0;
  pointer-events: none;
  transition:
    opacity 0.5s ease,
    transform 0.5s cubic-bezier(0.22, 1, 0.36, 1),
    background-color 0.3s ease;
}

.overlay-btn.show {
  opacity: 1;
  transform: translateX(-50%) translateY(0);
  pointer-events: auto;
}

.overlay-btn-img {
  display: flex;
  gap: 8px;
  align-items: center;
}

.overlay-btn-img img {
  flex: 1;
  min-width: 0;
  height: auto;
}

#overlayBtnText {
  margin-bottom: 12px;
}


.navbar {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  padding: 0.5rem 1rem;
}

.navbar > .container,
.navbar > .container-fluid {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
}