:root {
  color-scheme: dark;
  font-family: "Helvetica Neue", "Noto Sans JP", Arial, sans-serif;
  background: #0d1724;
  color: #edf4f8;
}

* {
  box-sizing: border-box;
}

body {
  min-width: 320px;
  min-height: 100vh;
  margin: 0;
}

.page-shell {
  display: grid;
  min-height: 100vh;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(circle at top right, rgb(31 127 151 / 30%), transparent 38%),
    linear-gradient(145deg, #101d2c, #08111c);
}

.status-card {
  width: min(100%, 620px);
  padding: clamp(32px, 7vw, 64px);
  border: 1px solid rgb(156 211 224 / 20%);
  border-radius: 20px;
  background: rgb(12 28 42 / 86%);
  box-shadow: 0 24px 80px rgb(0 0 0 / 30%);
}

.eyebrow {
  margin: 0 0 14px;
  color: #76d4e4;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 8vw, 4rem);
  line-height: 1.05;
  letter-spacing: -0.04em;
}

.message {
  margin: 24px 0 32px;
  color: #b9c9d3;
  font-size: clamp(1rem, 3vw, 1.15rem);
  line-height: 1.8;
}

.status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  color: #d7e9ee;
  font-size: 0.9rem;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: #54d69b;
  box-shadow: 0 0 14px rgb(84 214 155 / 70%);
}