:root {
  color-scheme: light;
  font-family: Pretendard, "Noto Sans KR", "Apple SD Gothic Neo", system-ui, sans-serif;
  background: #edf7f3;
}

* {
  box-sizing: border-box;
}

html,
body,
.app-shell {
  width: 100%;
  height: 100%;
  min-height: 100dvh;
  margin: 0;
  overflow: hidden;
}

body {
  background:
    radial-gradient(circle at 20% 0%, rgba(24, 133, 108, 0.14), transparent 36rem),
    #edf7f3;
}

#operations-app {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  border: 0;
  background: #edf7f3;
  opacity: 0;
  transition: opacity 180ms ease;
}

body.ready #operations-app {
  opacity: 1;
}

.loading {
  position: fixed;
  inset: 0;
  z-index: 2;
  display: grid;
  place-content: center;
  justify-items: center;
  gap: 10px;
  padding: 24px;
  color: #133a31;
  text-align: center;
  transition: opacity 180ms ease, visibility 180ms ease;
}

.loading img {
  width: min(240px, 72vw);
  height: auto;
  border-radius: 18px;
  filter: drop-shadow(0 12px 20px rgba(15, 106, 88, 0.18));
}

.loading strong {
  margin-top: 6px;
  font-size: 1.15rem;
}

.loading span {
  color: #5f746e;
  font-size: 0.9rem;
}

body.ready .loading {
  opacity: 0;
  visibility: hidden;
}

.noscript {
  margin: 20vh auto;
  width: min(90%, 32rem);
  padding: 20px;
  border-radius: 16px;
  background: #fff;
  color: #25483f;
  text-align: center;
  box-shadow: 0 16px 45px rgba(22, 76, 62, 0.12);
}

@media (max-width: 720px) {
  #operations-app {
    top: 0;
    height: 100%;
  }
}