:root {
  --bg: #f5f6f8;
  --card: #ffffff;
  --text: #1c2430;
  --muted: #5b6574;
  --border: #dde1e7;
  --accent: #1d5fd1;
  --ok: #1a7f37;
  --warn: #8a5a00;
  --warn-bg: #fff6e0;
  --danger: #b42318;
  --track: #dde1e7;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0f1419;
    --card: #182029;
    --text: #e6eaf0;
    --muted: #9aa5b4;
    --border: #2a3440;
    --accent: #7fb0ff;
    --ok: #5fd38d;
    --warn: #f0b85a;
    --warn-bg: #2b2414;
    --danger: #ff8a80;
    --track: #2a3440;
  }
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
body {
  margin: 0;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
.card {
  width: 100%;
  max-width: 440px;
  padding: 24px;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 8px;
}
.head { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
h1 { margin: 0; font-size: 18px; font-weight: 600; }
p { margin: 0; }
.message { font-weight: 600; }
.detail { margin-top: 4px; color: var(--muted); }
.notice {
  margin-top: 12px;
  padding: 8px 12px;
  border-radius: 6px;
  background: var(--warn-bg);
  color: var(--warn);
  font-size: 14px;
}
.elapsed { margin-top: 16px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }

/* O indicador: gira enquanto há trabalho; parado e com cor quando a página chegou a um fim. */
.indicator {
  flex: none;
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 3px solid var(--track);
  border-top-color: var(--accent);
  animation: spin 0.9s linear infinite;
}
.card[data-tone="warn"] .indicator { border-top-color: var(--warn); }
.card[data-tone="ok"] .indicator { border-top-color: var(--ok); }
.card[data-tone="over"] .indicator {
  animation: none;
  border-color: var(--danger);
}
.card[data-tone="over"] .message { color: var(--danger); }
@keyframes spin { to { transform: rotate(360deg); } }

.steps { list-style: none; margin: 20px 0 0; padding: 0; }
.step {
  position: relative;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 0;
  color: var(--muted);
}
.step::before {
  content: "";
  flex: none;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: 2px solid var(--track);
  box-sizing: border-box;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 12px;
  line-height: 1;
}
.step[data-state="current"] { color: var(--text); font-weight: 600; }
.step[data-state="current"]::before {
  border-color: var(--accent);
  background: radial-gradient(circle, var(--accent) 0 3px, transparent 4px);
  animation: pulse 1.6s ease-in-out infinite;
}
.card[data-tone="warn"] .step[data-state="current"]::before {
  border-color: var(--warn);
  background: radial-gradient(circle, var(--warn) 0 3px, transparent 4px);
}
.step[data-state="done"] { color: var(--text); }
.step[data-state="done"]::before {
  content: "\2713";
  border-color: var(--ok);
  color: var(--ok);
  font-weight: 700;
}
.step[data-state="failed"] { color: var(--danger); font-weight: 600; }
.step[data-state="failed"]::before {
  content: "\00d7";
  border-color: var(--danger);
  color: var(--danger);
  font-weight: 700;
  font-size: 14px;
}
@keyframes pulse { 50% { opacity: 0.45; } }

.sr {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

/* Sem animação para quem pediu: o tempo decorrido continua mostrando que a página está viva. */
@media (prefers-reduced-motion: reduce) {
  .indicator,
  .step[data-state="current"]::before { animation: none; }
  .indicator { border-right-color: var(--accent); }
}