:root {
  --bg: #f4f6f8;
  --card: #ffffff;
  --text: #1f2933;
  --muted: #5f6b7a;
  --accent: #0b6bcb;
  --accent-weak: #e6f0fb;
  --warn-bg: #fff4e5;
  --warn-text: #8a4b00;
  --border: #dde3ea;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Hiragino Kaku Gothic ProN", "Noto Sans JP", Meiryo, sans-serif;
  font-size: 16px;
  line-height: 1.7;
  -webkit-text-size-adjust: 100%;
}

.wr {
  max-width: 480px;
  margin: 0 auto;
  padding: 24px 16px 40px;
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 24px 20px;
  text-align: center;
}

.badge {
  display: flex;
  justify-content: center;
  margin-bottom: 12px;
}

.spinner {
  width: 36px;
  height: 36px;
  border: 4px solid var(--accent-weak);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@media (prefers-reduced-motion: reduce) {
  .spinner {
    animation: none;
  }
}

h1 {
  font-size: 1.25rem;
  line-height: 1.5;
  margin: 0 0 8px;
}

.lead {
  margin: 0 0 20px;
  color: var(--muted);
}

.queue {
  display: grid;
  gap: 12px;
  margin-bottom: 16px;
}

.metric {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  background: var(--accent-weak);
  border-radius: 8px;
  padding: 12px 16px;
}

.metric-label {
  font-size: 0.95rem;
}

.metric-value strong {
  font-size: 1.75rem;
  color: var(--accent);
  margin: 0 4px;
  font-variant-numeric: tabular-nums;
}

.updated {
  margin: 0;
  font-size: 0.85rem;
  color: var(--muted);
  text-align: right;
}

.message {
  margin: 0 0 12px;
  font-weight: bold;
}

.notice,
.alert {
  margin: 0 0 12px;
  padding: 12px;
  border-radius: 8px;
  background: var(--warn-bg);
  color: var(--warn-text);
  text-align: left;
}

.actions {
  display: grid;
  gap: 8px;
  margin-bottom: 16px;
}

.button {
  display: block;
  width: 100%;
  padding: 12px;
  border: 0;
  border-radius: 8px;
  background: var(--accent);
  color: #ffffff;
  font-size: 1rem;
  text-decoration: none;
  cursor: pointer;
}

.button-secondary {
  background: var(--card);
  color: var(--accent);
  border: 1px solid var(--accent);
}

[hidden] {
  display: none !important;
}

.notes {
  margin: 8px 0 0;
  padding: 16px 0 0 1.2em;
  border-top: 1px solid var(--border);
  text-align: left;
  font-size: 0.9rem;
  color: var(--muted);
}