:root {
  color-scheme: light;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  font-family: "Inter", "Segoe UI", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.6;
}

button,
input {
  font: inherit;
}

.loading-spinner {
  width: min(120px, 32vw);
  height: min(120px, 32vw);
  border-radius: 9999px;
  border: 10px solid #dbeafe;
  border-top-color: #10b981;
  border-right-color: #6366f1;
  animation: spinner-rotate 0.85s linear infinite;
  box-shadow: 0 18px 45px rgba(15, 23, 42, 0.12);
}

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