/* CTAID POC styles. No third-party UI kit. */
:root {
  --navy: #122848;
  --navy-soft: #1d3c68;
  --accent: #c45c3e;
  --paper: #ffffff;
  --page: #f5f7fa;
  --ink: #1a2433;
  --muted: #5b6778;
  --line: #d5dbe6;
  --banner: #fff3bf;
  --banner-ink: #5c3d00;
  --good: #1f6b4a;
  --warn: #8a3b16;
  --shadow: 0 10px 28px rgba(18, 40, 72, 0.08);
  font-family: "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
  color: var(--ink);
  background: var(--page);
  line-height: 1.5;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body { background: radial-gradient(1000px 500px at 100% -10%, #e4ebf6 0%, var(--page) 55%); }

a { color: var(--navy-soft); }
button, input, select { font: inherit; }

.banner {
  position: sticky;
  top: 0;
  z-index: 20;
  background: var(--banner);
  color: var(--banner-ink);
  border-bottom: 1px solid #e6c35c;
  padding: 0.65rem 1rem;
  text-align: center;
  font-size: 0.92rem;
  font-weight: 600;
}

.shell { max-width: 960px; margin: 0 auto; padding: 1.25rem 1.25rem 3rem; }

.topbar { display: flex; align-items: center; margin: 0.5rem 0 1.4rem; }
.brand { display: flex; align-items: center; gap: 0.7rem; text-decoration: none; color: inherit; }
.brand-mark { width: 40px; height: 40px; border-radius: 10px; }
.brand h1 { font-size: 1.15rem; margin: 0; }
.brand p { margin: 0; font-size: 0.78rem; color: var(--muted); }

.hero, .card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: var(--shadow);
  padding: 1.35rem 1.45rem;
  margin-bottom: 1.1rem;
}
.hero h2, .card h2 {
  margin: 0 0 0.6rem;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
  color: var(--navy);
}
.lede { font-size: 1.05rem; }
.muted { color: var(--muted); }

.grid-2 {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 1rem;
}

.field { display: flex; flex-direction: column; gap: 0.25rem; margin: 0.7rem 0; font-weight: 600; font-size: 0.92rem; }
.field input, .field select {
  font-weight: 400;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0.5rem 0.7rem;
  background: #fff;
}
.hint { font-weight: 400; font-size: 0.78rem; color: var(--muted); }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--navy);
  background: var(--navy);
  color: #fff;
  cursor: pointer;
  font-weight: 600;
  margin-top: 0.5rem;
}
.btn:hover { background: var(--navy-soft); }

.result { min-height: 8rem; }
.result .score {
  font-size: 2.6rem;
  font-variant-numeric: tabular-nums;
  color: var(--navy);
  margin: 0.2rem 0;
}
.result.higher .score { color: var(--warn); }
.result.lower .score { color: var(--good); }
.result .label { font-weight: 700; margin: 0 0 0.6rem; }

.metrics { margin-top: 1rem; font-size: 0.88rem; color: var(--muted); }
.metrics strong { color: var(--navy); }

.plain { padding-left: 1.15rem; }
.plain li { margin: 0.35rem 0; }

.footer { margin-top: 1.6rem; font-size: 0.85rem; color: var(--muted); text-align: center; }

@media (max-width: 800px) {
  .grid-2 { grid-template-columns: 1fr; }
  .hero h2, .card h2 { font-size: 1.3rem; }
}