*,
*::before,
*::after {
  box-sizing: border-box;
}

:root {
  --bg: #0b0d12;
  --bg-soft: #12151d;
  --line: rgba(255, 255, 255, 0.09);
  --text: #f2f4f8;
  --muted: #9aa3b2;
  --accent: #6ea8fe;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
  background:
    radial-gradient(900px 600px at 15% 10%, rgba(110, 168, 254, 0.16), transparent 60%),
    radial-gradient(700px 500px at 85% 90%, rgba(155, 120, 255, 0.14), transparent 60%),
    var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
  line-height: 1.6;
}

.card {
  width: 100%;
  max-width: 560px;
  padding: 40px 36px 28px;
  border: 1px solid var(--line);
  border-radius: 20px;
  background: linear-gradient(160deg, rgba(255, 255, 255, 0.06), rgba(255, 255, 255, 0.02));
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.45);
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 5px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #4cd964;
  box-shadow: 0 0 0 4px rgba(76, 217, 100, 0.15);
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.35; }
}

h1 {
  margin: 22px 0 12px;
  font-size: clamp(26px, 5vw, 34px);
  font-weight: 650;
  letter-spacing: -0.02em;
}

.lead {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
}

.status {
  margin-top: 28px;
  border-top: 1px solid var(--line);
}

.status-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.status-row .label {
  color: var(--muted);
  flex: 0 0 auto;
}

.status-row .value {
  font-family: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
  font-size: 13px;
  text-align: right;
  word-break: break-all;
  color: var(--accent);
}

footer {
  margin-top: 22px;
  font-size: 12px;
  color: var(--muted);
  text-align: center;
}

@media (max-width: 480px) {
  .card {
    padding: 30px 22px 22px;
    border-radius: 16px;
  }
}