/* Shift Assistant account service — system fonts only; no external CDN. */
:root {
  --bg: #f3f5f7;
  --bg-accent: #e8eef4;
  --card: #ffffff;
  --ink: #1a2332;
  --muted: #5a6575;
  --line: #d5dde6;
  --brand: #1e4d7b;
  --brand-soft: #e7f0f8;
  --ok: #1b6b3a;
  --ok-bg: #e8f5ec;
  --err: #8a2b2b;
  --err-bg: #f8eaea;
  --radius: 10px;
  --max: 34rem;
  --shadow: 0 1px 2px rgba(26, 35, 50, 0.06), 0 8px 24px rgba(26, 35, 50, 0.06);
}

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

html {
  color-scheme: light;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Segoe UI", "Microsoft JhengHei", "PingFang TC", "Noto Sans TC",
    system-ui, sans-serif;
  color: var(--ink);
  background:
    linear-gradient(165deg, var(--bg-accent) 0%, var(--bg) 42%, #eef1f4 100%);
  line-height: 1.55;
}

.page {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem 1.25rem 1.5rem;
}

.card {
  width: 100%;
  max-width: var(--max);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 2rem 1.75rem 1.75rem;
}

.brand {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0 0 1.25rem;
}

.brand-mark {
  display: inline-block;
  width: 0.55rem;
  height: 1.15rem;
  border-radius: 2px;
  background: var(--brand);
  flex-shrink: 0;
  transform: translateY(0.1rem);
}

.brand h1 {
  margin: 0;
  font-size: 1.15rem;
  font-weight: 650;
  letter-spacing: 0.01em;
  color: var(--brand);
}

.eyebrow {
  margin: 0 0 0.5rem;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: none;
  color: var(--muted);
}

.status {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 0.85rem;
  padding: 0.35rem 0.65rem;
  border-radius: 999px;
  font-size: 0.78rem;
  font-weight: 600;
}

.status-ok {
  background: var(--ok-bg);
  color: var(--ok);
}

.status-err {
  background: var(--err-bg);
  color: var(--err);
}

h2 {
  margin: 0 0 0.85rem;
  font-size: 1.55rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.lead {
  margin: 0;
  color: var(--ink);
  font-size: 1.02rem;
}

.sub {
  margin: 0.75rem 0 0;
  color: var(--muted);
  font-size: 0.95rem;
}

.error-detail {
  margin: 1rem 0 0;
  padding: 0.75rem 0.85rem;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fafbfc;
  color: var(--muted);
  font-size: 0.88rem;
  word-break: break-word;
}

.footer {
  margin-top: 1.75rem;
  width: 100%;
  max-width: var(--max);
  text-align: center;
  color: var(--muted);
  font-size: 0.82rem;
}

.hidden {
  display: none !important;
}

@media (max-width: 480px) {
  .card {
    padding: 1.5rem 1.2rem 1.35rem;
  }

  h2 {
    font-size: 1.35rem;
  }
}