:root {
  --ink: #1c2230;
  --muted: #556070;
  --line: #dde2ea;
  --bg: #ffffff;
  --soft: #f4f6f9;
  --accent: #1f5fbf;
  --accent-dark: #174a96;
  --note: #fff8e6;
  --note-line: #e8d29a;
  --missing: #9a2b1f;
  --matched: #1d6b38;
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 17px;
  line-height: 1.6;
  color: var(--ink);
  background: var(--bg);
}
.wrap { max-width: 860px; margin: 0 auto; padding: 0 20px; }
header { background: var(--soft); border-bottom: 1px solid var(--line); padding: 48px 0 40px; }
h1 { font-size: 2rem; line-height: 1.25; margin: 0 0 14px; }
h2 { font-size: 1.4rem; margin: 44px 0 12px; }
h3 { font-size: 1.05rem; margin: 0 0 8px; }
p { margin: 0 0 14px; }
a { color: var(--accent); }
.lead { font-size: 1.12rem; color: var(--muted); max-width: 680px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 24px; }
label { display: block; font-weight: 700; margin-bottom: 6px; }
textarea {
  width: 100%;
  height: 260px;
  padding: 10px 12px;
  font: inherit;
  font-size: 0.95rem;
  color: inherit;
  background: var(--bg);
  border: 1px solid #aab2bd;
  border-radius: 8px;
  resize: vertical;
}
textarea:focus, button:focus { outline: 3px solid #7aa7e8; outline-offset: 1px; }
button {
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 28px;
  border: 0;
  border-radius: 8px;
  margin: 18px 0 10px;
  cursor: pointer;
}
button:hover { background: var(--accent-dark); }
#status { font-weight: 700; min-height: 1.6em; }
.score-box { background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 20px 22px; }
.score-line { font-size: 1.3rem; font-weight: 700; margin-bottom: 6px; }
.score-box p:last-child { margin-bottom: 0; color: var(--muted); }
.panel { border: 1px solid var(--line); border-radius: 8px; padding: 16px 18px; }
.panel ol { margin: 0; padding-left: 1.6em; }
.panel li { margin: 2px 0; }
.panel.missing h3 { color: var(--missing); }
.panel.matched h3 { color: var(--matched); }
.count { color: var(--muted); font-size: 0.9rem; }
.empty { color: var(--muted); font-style: italic; }
ul.kit { padding-left: 20px; }
ul.kit li { margin-bottom: 8px; }
.note {
  background: var(--note);
  border: 1px solid var(--note-line);
  border-radius: 8px;
  padding: 18px 22px;
}
.note ul { margin: 0; padding-left: 20px; }
.note li { margin-bottom: 8px; }
.cta {
  display: inline-block;
  background: var(--accent);
  color: #fff;
  text-decoration: none;
  font-weight: 700;
  font-size: 1.1rem;
  padding: 14px 28px;
  border-radius: 8px;
  margin: 8px 0 6px;
}
.cta:hover, .cta:focus { background: var(--accent-dark); }
.cta-meta { font-size: 0.92rem; color: var(--muted); margin: 0; }
.buy { text-align: center; background: var(--soft); border: 1px solid var(--line); border-radius: 10px; padding: 30px 20px; margin: 44px 0; }
footer { border-top: 1px solid var(--line); padding: 24px 0 40px; font-size: 0.9rem; color: var(--muted); }
footer ul { margin: 0; padding-left: 20px; }
@media (max-width: 700px) {
  h1 { font-size: 1.6rem; }
  body { font-size: 16px; }
  .grid { grid-template-columns: 1fr; }
}