:root {
  --lr-primary: #1fb7a6;
  --lr-primary-rgb: 31, 183, 166;
  --lr-accent: #ff6b5e;
  --lr-accent-rgb: 255, 107, 94;
  --lr-neutral: #142033;
  --lr-neutral-rgb: 20, 32, 51;
  --lr-surface: #f7f9fc;
  --lr-surface-rgb: 247, 249, 252;
}

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

.app-loading {
  font-family: Inter, 'Helvetica Neue', Helvetica, Arial, sans-serif;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  color: var(--lr-neutral);
  padding: 2rem;
  text-align: center;
  background:
    radial-gradient(circle at top, rgba(var(--lr-primary-rgb), 0.14), transparent 40%),
    linear-gradient(180deg, #ffffff 0%, var(--lr-surface) 100%);
}

.app-loading__logo {
  width: 84px;
  height: 84px;
  margin-bottom: 1.25rem;
  background: url('../images/liferadar-logo-mark.svg') no-repeat center center;
  background-size: contain;
  filter: drop-shadow(0 14px 28px rgba(var(--lr-neutral-rgb), 0.14));
}

.app-loading__spinner {
  position: relative;
  width: 64px;
  height: 64px;
  margin-bottom: 1.25rem;
}

.app-loading__spinner span {
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 4px solid transparent;
}

.app-loading__spinner span:first-child {
  border-top-color: var(--lr-primary);
  border-right-color: rgba(var(--lr-primary-rgb), 0.4);
  animation: lr-loading-spin 0.9s linear infinite;
}

.app-loading__spinner span:last-child {
  inset: 10px;
  border-bottom-color: var(--lr-accent);
  border-left-color: rgba(var(--lr-accent-rgb), 0.35);
  animation: lr-loading-spin 1.2s linear infinite reverse;
}

.app-loading__title {
  margin: 0;
  font-size: 1.1rem;
  font-weight: 700;
  letter-spacing: 0.01em;
}

.app-loading__subtitle {
  margin: 0.45rem 0 0;
  max-width: 24rem;
  color: rgba(var(--lr-neutral-rgb), 0.72);
  font-size: 0.95rem;
  line-height: 1.5;
}

.app-loading--error-shell {
  position: fixed;
  inset: 0;
  pointer-events: none;
  background: transparent;
}

#startup-error {
  pointer-events: auto;
  width: min(36rem, calc(100vw - 2rem));
  margin-top: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid rgba(var(--lr-neutral-rgb), 0.08);
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 20px 40px rgba(var(--lr-neutral-rgb), 0.12);
  backdrop-filter: blur(10px);
  text-align: left;
}

#startup-error h1 {
  margin: 0 0 0.75rem;
  font-size: 1.2rem;
}

#startup-error p,
#startup-error li {
  color: rgba(var(--lr-neutral-rgb), 0.82);
  line-height: 1.5;
}

#startup-error ul {
  margin: 0.75rem 0 0;
  padding-left: 1.25rem;
}