.med2u-loading {
  box-sizing: border-box;
  display: grid;
  place-items: center;
  min-height: 100vh;
  min-height: 100dvh;
  padding: 24px;
  color: #173c5c;
  font-family: AlibabaSans, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: #f3f7fb;
}

.med2u-loading-embedded {
  min-height: min(560px, 70dvh);
  border-radius: 16px;
}

.med2u-loading-card {
  box-sizing: border-box;
  width: min(100%, 440px);
  padding: 36px 32px 28px;
  border: 1px solid #fff;
  border-radius: 24px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 16px 56px rgba(34, 77, 117, 0.08);
  text-align: center;
}

.med2u-loading-brand {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  font-size: 17px;
  font-weight: 600;
}

.med2u-loading-brand img { flex-shrink: 0; }

.med2u-loading-indicator {
  display: grid;
  place-items: center;
  width: 72px;
  height: 72px;
  margin: 32px auto 24px;
  border: 1px solid #dfeafa;
  border-radius: 24px;
  background: #f2f7ff;
}

.med2u-loading-spinner {
  display: block;
  width: 25px;
  height: 25px;
  border: 3px solid #d4e5fc;
  border-top-color: #1767d5;
  border-radius: 50%;
  animation: med2u-loading-spin 1s linear infinite;
}

.med2u-loading-title {
  margin: 0;
  font-size: clamp(20px, 4.6vw, 24px);
  font-weight: 600;
  line-height: 1.5;
  text-wrap: balance;
}

.med2u-loading-description {
  margin: 10px 0 28px;
  color: #5c7185;
  font-size: var(--med2u-loading-font-size, 14px);
  line-height: 1.8;
  text-wrap: balance;
}

.med2u-loading-track {
  height: 4px;
  overflow: hidden;
  border-radius: 4px;
  background: #eaf0f7;
}

.med2u-loading-track span {
  display: block;
  width: 40%;
  height: 100%;
  border-radius: inherit;
  background: linear-gradient(90deg, #1767d5, #69b9cf);
  animation: med2u-loading-progress 1.8s ease-in-out infinite alternate;
}

.med2u-loading-caption,
.med2u-loading-recovery p {
  margin: 20px 0 0;
  color: #5c7185;
  font-size: var(--med2u-loading-small-font-size, 12px);
  line-height: 1.8;
  text-wrap: balance;
}

.med2u-loading-recovery button { margin-top: 12px; }

.med2u-loading-reload {
  padding: 8px 16px;
  border: 1px solid #c5d6e6;
  border-radius: 8px;
  color: #173c5c;
  font: inherit;
  background: #fff;
  cursor: pointer;
}

.med2u-loading-reload:focus-visible {
  outline: 2px solid #1767d5;
  outline-offset: 3px;
}

@keyframes med2u-loading-spin {
  to { transform: rotate(360deg); }
}

@keyframes med2u-loading-progress {
  from { transform: translateX(-30%); }
  to { transform: translateX(180%); }
}

@media (max-width: 480px) {
  .med2u-loading { padding: 20px; }
  .med2u-loading-card { padding: 28px 20px 24px; border-radius: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  .med2u-loading-spinner,
  .med2u-loading-track span { animation: none; }
}