:root {
  --bg: #fafaf8;
  --surface: #ffffff;
  --text: #1c2430;
  --muted: #5d6673;
  --line: #e2e4e8;
  --accent: #1f4e79;
  --accent-soft: #e8eef5;
  --weak: #b0573a;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #12161c;
    --surface: #1a2029;
    --text: #e8eaed;
    --muted: #9aa3ae;
    --line: #2c3440;
    --accent: #7fb0e0;
    --accent-soft: #1e2a38;
    --weak: #e59373;
  }
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 16px/1.55 -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, sans-serif;
}

.wrap { max-width: 760px; margin: 0 auto; padding: 0 16px; }

header { border-bottom: 1px solid var(--line); padding: 28px 0 20px; }
.header-row { display: flex; justify-content: space-between; align-items: flex-end; gap: 16px; }
h1 { margin: 4px 0 0; font-size: 1.6rem; }
.eyebrow { margin: 0; font-size: .75rem; letter-spacing: .12em; text-transform: uppercase; color: var(--accent); font-weight: 600; }
.intro { color: var(--muted); margin: 24px 0; }

fieldset {
  border: 1px solid var(--line);
  background: var(--surface);
  border-radius: 10px;
  padding: 20px;
  margin: 0 0 16px;
}
legend { font-weight: 700; font-size: 1.1rem; padding: 0 6px; }
.letter {
  display: inline-grid; place-items: center;
  width: 28px; height: 28px; border-radius: 6px;
  background: var(--accent); color: var(--surface);
  margin-right: 6px; font-size: .95rem;
}
.principle { margin: 4px 0; font-weight: 600; }
.question { margin: 0 0 12px; color: var(--muted); font-style: italic; }

.option {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px; border-radius: 8px; cursor: pointer;
}
.option:hover { background: var(--accent-soft); }
.option input { margin-top: 5px; accent-color: var(--accent); }
.option strong { display: block; }

button {
  font: inherit; font-weight: 600; cursor: pointer;
  background: var(--accent); color: var(--surface);
  border: 0; border-radius: 8px; padding: 12px 20px;
}
button.ghost { background: transparent; color: var(--accent); border: 1px solid var(--accent); padding: 8px 14px; }
.actions { margin: 8px 0 32px; }

#result { border-top: 1px solid var(--line); padding-top: 24px; }
.muted { color: var(--muted); font-weight: 400; }
.warning { color: #b3261e; }

.bars { margin: 16px 0 24px; }
.held-back { margin: -4px 0 16px; color: var(--muted); }
.bar-row { display: grid; grid-template-columns: 150px 1fr 20px; gap: 12px; align-items: center; margin: 8px 0; }
.bar-key { display: inline-block; width: 18px; color: var(--accent); }
.bar-row.weak .bar-label, .bar-row.weak .bar-value { color: var(--weak); }
.bar-row.weak .fill { background: var(--weak); }
.bar-label { white-space: nowrap; }
@media (max-width: 480px) { .bar-row { grid-template-columns: 138px 1fr 14px; gap: 8px; } .bar-label { font-size: .9rem; } }
.bar { height: 10px; background: var(--line); border-radius: 5px; overflow: hidden; }
.fill { height: 100%; background: var(--accent); }
.bar-label, .bar-value { font-weight: 600; }

.card { background: var(--accent-soft); border-radius: 10px; padding: 16px 20px; margin-bottom: 24px; }
.card h3 { margin: 4px 0 8px; }
.card p { margin: 0; }

.plan { list-style: none; padding: 0; margin: 12px 0 24px; }
.plan li { margin: 4px 0; padding: 10px 16px; }
.plan li.first { background: var(--accent-soft); border-radius: 10px; padding: 14px 16px; }
.plan strong { display: block; }

footer { color: var(--muted); font-size: .85rem; padding: 32px 16px 48px; }

.stall { background: var(--surface); border: 1px solid var(--line); border-left: 4px solid var(--weak); border-radius: 8px; padding: 14px 18px; margin: 0 0 24px; font-style: italic; }
.stall .eyebrow { display: block; font-style: normal; margin-bottom: 6px; color: var(--weak); }

.cta { border-top: 1px solid var(--line); margin: 28px 0 20px; padding-top: 20px; display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px 24px; }
.cta > p { margin: 0; color: var(--muted); flex: 1 1 100%; }
.cta a { font-weight: 600; color: var(--accent); text-decoration: none; white-space: nowrap; }
.cta a:hover { text-decoration: underline; }
.cta-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; }
.cta a.button { background: var(--accent); color: var(--surface); padding: 12px 20px; border-radius: 8px; white-space: normal; text-align: center; }
.cta a.button:hover { text-decoration: none; opacity: .9; }
.cta .send-note { flex: 1 1 100%; font-size: .85rem; color: var(--muted); margin: 0; }