:root {
  --bg: oklch(0.99 0.003 250);
  --bg-raised: oklch(0.965 0.005 250);
  --ink: oklch(0.18 0.01 250);
  --ink-soft: oklch(0.4 0.015 250);
  --ink-faint: oklch(0.58 0.015 250);
  --line: oklch(0.88 0.006 250);
  --accent: oklch(0.5 0.14 235);
  --accent-soft: oklch(0.94 0.03 235);
  --accent-ink: oklch(0.3 0.1 235);
  --good: oklch(0.55 0.14 150);
  --good-soft: oklch(0.95 0.04 150);
  --bad: oklch(0.55 0.16 25);
  --bad-soft: oklch(0.95 0.04 25);
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: oklch(0.17 0.012 250);
    --bg-raised: oklch(0.23 0.014 250);
    --ink: oklch(0.94 0.006 250);
    --ink-soft: oklch(0.78 0.012 250);
    --ink-faint: oklch(0.6 0.014 250);
    --line: oklch(0.32 0.014 250);
    --accent: oklch(0.72 0.13 235);
    --accent-soft: oklch(0.28 0.05 235);
    --accent-ink: oklch(0.85 0.08 235);
    --good: oklch(0.72 0.14 150);
    --good-soft: oklch(0.28 0.06 150);
    --bad: oklch(0.72 0.15 25);
    --bad-soft: oklch(0.3 0.07 25);
  }
}
:root[data-theme="dark"] {
  --bg: oklch(0.17 0.012 250);
  --bg-raised: oklch(0.23 0.014 250);
  --ink: oklch(0.94 0.006 250);
  --ink-soft: oklch(0.78 0.012 250);
  --ink-faint: oklch(0.6 0.014 250);
  --line: oklch(0.32 0.014 250);
  --accent: oklch(0.72 0.13 235);
  --accent-soft: oklch(0.28 0.05 235);
  --accent-ink: oklch(0.85 0.08 235);
  --good: oklch(0.72 0.14 150);
  --good-soft: oklch(0.28 0.06 150);
  --bad: oklch(0.72 0.15 25);
  --bad-soft: oklch(0.3 0.07 25);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; }
[hidden] { display: none !important; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', system-ui, sans-serif;
  line-height: 1.6;
}
h1, h2, h3 {
  font-family: Charter, Georgia, 'Times New Roman', serif;
  font-weight: 600;
  text-wrap: balance;
  color: var(--ink);
  margin: 0;
}

.eyebrow {
  font-size: 12px; font-weight: 600; letter-spacing: 0.07em; text-transform: uppercase;
  color: var(--accent-ink); margin-bottom: 12px;
}
.body-text { font-size: 15px; color: var(--ink-soft); margin: 0 0 12px; }
.body-text strong { color: var(--ink); font-weight: 600; }

.badges { display: flex; gap: 8px; }
.badge {
  font-size: 11px; font-weight: 700; letter-spacing: 0.04em;
  color: var(--accent-ink); background: var(--accent-soft);
  border-radius: 4px; padding: 5px 10px;
}

.navbtn {
  display: inline-flex; align-items: center; gap: 6px;
  font: inherit; font-size: 14px; font-weight: 600; color: var(--ink); text-decoration: none;
  background: var(--bg-raised); border: 1px solid var(--line); border-radius: 8px;
  padding: 10px 16px; cursor: pointer;
}
.navbtn:hover { border-color: var(--accent); }
.navbtn:disabled { opacity: 0.35; cursor: default; }
.navbtn.primary { background: var(--accent); color: oklch(0.99 0.003 250); border-color: var(--accent); }
.navbtn.primary:disabled { background: var(--bg-raised); color: var(--ink-faint); border-color: var(--line); opacity: 1; }

/* Google sign-in gate: shared across every training page and the dashboard */
.gate {
  min-height: 100dvh; display: flex; align-items: center; justify-content: center;
  padding: 24px; text-align: center;
}
.gate-inner { max-width: 420px; }
.gate-inner .eyebrow { margin-bottom: 14px; }
.gate-inner p.body-text { margin-top: 14px; }
.gate-signin { margin-top: 26px; display: flex; justify-content: center; min-height: 44px; }
.gate-note { font-size: 13px; color: var(--ink-faint); min-height: 18px; margin: 14px 0 0; }
.gate-note.error { color: var(--bad); }

.identity-line {
  font-size: 14.5px; color: var(--ink);
  display: flex; align-items: center; gap: 10px;
  background: var(--bg-raised); border: 1px solid var(--line);
  border-radius: 8px; padding: 12px 16px; text-align: left;
}
.identity-line svg { color: var(--good); flex-shrink: 0; }
.identity-line .who strong { display: block; color: var(--ink); }
.identity-line .who span { font-size: 13px; color: var(--ink-faint); }