:root {
  color-scheme: light dark;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Display", "Pretendard", sans-serif;
  background: #07122b;
  color: #f7fbff;
}

* {
  box-sizing: border-box;
}

body {
  min-height: 100vh;
  margin: 0;
  display: grid;
  place-items: center;
  overflow-x: hidden;
  background:
    radial-gradient(circle at 20% 10%, rgba(31, 218, 255, 0.26), transparent 32rem),
    radial-gradient(circle at 95% 90%, rgba(106, 50, 255, 0.36), transparent 34rem),
    linear-gradient(145deg, #061027, #0b1f52 55%, #261164);
}

.shell {
  width: min(100%, 560px);
  padding: 32px 22px;
}

.card {
  position: relative;
  overflow: hidden;
  padding: 34px 28px 26px;
  border: 1px solid rgba(255, 255, 255, 0.18);
  border-radius: 36px;
  background: rgba(9, 21, 52, 0.72);
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
}

.glow {
  position: absolute;
  width: 250px;
  height: 250px;
  right: -110px;
  top: -110px;
  border-radius: 50%;
  background: rgba(42, 223, 255, 0.24);
  filter: blur(12px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin: 0 0 18px;
  padding: 7px 11px;
  border-radius: 999px;
  background: rgba(45, 211, 255, 0.14);
  color: #6deaff;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mark {
  display: grid;
  width: 54px;
  height: 54px;
  place-items: center;
  border-radius: 17px;
  background: linear-gradient(155deg, #35e5ff, #1879ff 62%, #7245ff);
  box-shadow: 0 12px 28px rgba(24, 121, 255, 0.38);
  font-size: 28px;
}

h1 {
  margin: 0;
  font-size: clamp(34px, 9vw, 46px);
  font-weight: 900;
  letter-spacing: -0.055em;
}

.headline {
  margin: 28px 0 8px;
  font-size: 24px;
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.035em;
}

.subhead {
  margin: 0;
  color: rgba(238, 247, 255, 0.7);
  font-size: 15px;
  line-height: 1.6;
}

.zone {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 18px;
  margin-top: 28px;
  padding: 18px;
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.09);
}

.zone-label,
.zone-value {
  margin: 0;
}

.zone-label {
  color: rgba(238, 247, 255, 0.62);
  font-size: 12px;
  font-weight: 700;
}

.zone-value {
  margin-top: 3px;
  font-size: 21px;
  font-weight: 850;
}

.status {
  flex: 0 0 auto;
  padding: 8px 11px;
  border-radius: 999px;
  background: rgba(43, 234, 166, 0.14);
  color: #57f1b9;
  font-size: 12px;
  font-weight: 800;
}

.notice {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.055);
  color: rgba(238, 247, 255, 0.62);
  font-size: 12px;
  line-height: 1.55;
}

footer {
  margin-top: 18px;
  color: rgba(238, 247, 255, 0.36);
  text-align: center;
  font-size: 11px;
}

@media (max-width: 420px) {
  .shell {
    padding: 18px 14px;
  }

  .card {
    padding: 28px 21px 22px;
    border-radius: 30px;
  }
}