* {
  box-sizing: border-box;
}

html {
  color-scheme: light dark;
}

body {
  min-height: 100vh;
  margin: 0;
  padding: 24px;
  display: grid;
  place-items: center;
  color: #f8fafc;
  background: radial-gradient(ellipse at top, #263451 0%, #151e30 42%, #0b1120 100%);
  font-family: "Inter", ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

.notice-card {
  width: min(100%, 560px);
  padding: 56px 48px 42px;
  text-align: center;
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: 24px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.28);
  backdrop-filter: blur(12px);
}

.icon-wrap {
  width: 88px;
  height: 88px;
  margin: 0 auto 28px;
  display: grid;
  place-items: center;
  border-radius: 26px;
  color: #fbbf24;
  background: rgba(251, 191, 36, 0.12);
}

.icon-wrap svg {
  width: 48px;
  height: 48px;
  fill: none;
  stroke: currentColor;
  stroke-linecap: round;
  stroke-linejoin: round;
  stroke-width: 2.5;
}

.eyebrow {
  margin: 0 0 12px;
  color: #fbbf24;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(2rem, 7vw, 3.25rem);
  letter-spacing: -0.045em;
  line-height: 1.1;
}

.message {
  max-width: 410px;
  margin: 20px auto 0;
  color: #cbd5e1;
  font-size: 1.05rem;
  line-height: 1.7;
}

.divider {
  width: 48px;
  height: 3px;
  margin: 32px auto 20px;
  border-radius: 99px;
  background: #fbbf24;
}

.footer-note {
  margin: 0;
  color: #94a3b8;
  font-size: 0.9rem;
}

@media (prefers-color-scheme: light) {
  body {
    color: #1e293b;
    background: radial-gradient(ellipse at top, #ffffff 0%, #f1f5f9 50%, #e2e8f0 100%);
  }

  .notice-card {
    background: rgba(255, 255, 255, 0.78);
    border-color: rgba(15, 23, 42, 0.1);
    box-shadow: 0 24px 80px rgba(15, 23, 42, 0.12);
  }

  .message {
    color: #475569;
  }

  .footer-note {
    color: #64748b;
  }
}

@media (max-width: 480px) {
  .notice-card {
    padding: 40px 24px 32px;
    border-radius: 20px;
  }
}