:root {
  --initial-loader-bg: #F6F7FB;
  --initial-loader-fg: #5b5670;
  --initial-loader-color: #6d4ff2;
}

html[data-theme="dark"] {
  --initial-loader-bg: #121118;
  --initial-loader-fg: #b9b5c9;
  --initial-loader-color: #9a86ff;
  color-scheme: dark;
}

body {
  margin: 0;
  background: var(--initial-loader-bg);
}

html {
  overflow-x: hidden;
  overflow-y: scroll;
  -webkit-text-size-adjust: 100%;
}

#loading-bg {
  position: fixed;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  background: var(--initial-loader-bg);
  gap: 1.1rem 0;
  inset: 0;
  opacity: 1;
  transition: opacity 0.25s ease;
  padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
}

#loading-bg.loading-bg-hidden {
  opacity: 0;
  pointer-events: none;
}

.loading-logo {
  position: relative;
  display: grid;
  place-items: center;
  animation: logo-pop 0.6s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

/* Two soft halos pulsing outwards behind the mascot. */
.loading-logo::before,
.loading-logo::after {
  position: absolute;
  z-index: 0;
  border-radius: 50%;
  background: var(--initial-loader-color);
  content: "";
  inset: 0;
  opacity: 0;
  animation: logo-halo 2.4s ease-out infinite;
}

.loading-logo::after { animation-delay: 1.2s; }

.loading-logo img {
  position: relative;
  z-index: 1;
  display: block;
  filter: drop-shadow(0 10px 14px rgba(109, 79, 242, 0.3));
  animation: logo-hop 1.3s cubic-bezier(0.3, 0, 0.3, 1) 0.6s infinite;
}

/* Ground shadow that shrinks while the mascot is in the air. */
.loading-logo {
  margin-block-end: 6px;
}

#loading-bg.loading-bg-hidden .loading-logo {
  transform: scale(1.35);
  opacity: 0;
  transition: transform 0.35s ease, opacity 0.3s ease;
}

.loading {
  position: relative;
  box-sizing: border-box;
  border-radius: 50%;
  block-size: 36px;
  inline-size: 36px;
}

.loading .effects {
  position: absolute;
  box-sizing: border-box;
  border: 3px solid transparent;
  border-radius: 50%;
  block-size: 100%;
  inline-size: 100%;
  border-inline-start-color: var(--initial-loader-color);
  animation: loader-rotate 0.9s linear infinite;
}

.loading .effect-2 { opacity: 0.55; animation-delay: 0.1s; }
.loading .effect-3 { opacity: 0.3; animation-delay: 0.2s; }

.loading-text {
  min-height: 1.2em;
  color: var(--initial-loader-fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.875rem;
  font-weight: 500;
  opacity: 0;
  text-align: center;
  transition: opacity 0.2s ease;
}

.loading-text.loading-text-visible {
  opacity: 0.85;
}

.loading-retry {
  display: grid;
  gap: 10px;
  justify-items: center;
  color: var(--initial-loader-fg);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  font-size: 0.9rem;
  text-align: center;
}

.loading-retry p { margin: 0; }

.loading-retry button {
  min-height: 44px;
  padding: 0 22px;
  border: 0;
  border-radius: 10px;
  background: var(--initial-loader-color);
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
}

#loading-bg.loading-bg-failed .loading,
#loading-bg.loading-bg-failed .loading-text {
  display: none;
}

#loading-bg.loading-bg-failed .loading-retry {
  display: grid;
}

@keyframes logo-pop {
  from { opacity: 0; transform: scale(0.4) rotate(-12deg); }
  to { opacity: 1; transform: scale(1) rotate(0); }
}

@keyframes logo-hop {
  0%, 100% { transform: translateY(0) scale(1, 1); }
  12% { transform: translateY(0) scale(1.06, 0.92); }
  40% { transform: translateY(-14px) scale(0.97, 1.04) rotate(-3deg); }
  62% { transform: translateY(0) scale(1.05, 0.94) rotate(2deg); }
  76% { transform: translateY(-3px) scale(1, 1); }
}

@keyframes logo-halo {
  0% { opacity: 0.22; transform: scale(1); }
  100% { opacity: 0; transform: scale(1.9); }
}

@keyframes loader-rotate {
  to { transform: rotate(1turn); }
}

@media (prefers-reduced-motion: reduce) {
  .loading .effects { animation-duration: 1.6s; }
  .loading-logo, .loading-logo img, .loading-logo::before, .loading-logo::after { animation: none; }
}