:root { --ink: #1d1d1f; --muted: #555; --accent: #7a1f2b; --bg: #fbf8f3; --card: #fff; --line: #e4ddd2; }
* { box-sizing: border-box; }
body { margin: 0; font: 17px/1.55 system-ui, -apple-system, "Segoe UI", sans-serif; color: var(--ink); background: var(--bg); }
header { display: flex; flex-wrap: wrap; gap: .5rem 1rem; align-items: center; justify-content: space-between; padding: .75rem 1rem; border-bottom: 1px solid var(--line); background: var(--card); }
.brand { font-weight: 800; color: var(--accent); text-decoration: none; font-size: 1.15rem; }
nav a { margin-left: .9rem; color: var(--ink); }
main { max-width: 44rem; margin: 0 auto; padding: 1rem; }
h1 { font-size: 1.7rem; line-height: 1.2; margin: 1rem 0 .5rem; }
h2 { font-size: 1.2rem; margin-top: 2rem; }
.lede { color: var(--muted); }
a { color: var(--accent); }
form.calc, .result { background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; margin: 1rem 0; }
form.calc { display: grid; gap: .75rem; }
label { display: grid; gap: .25rem; font-weight: 600; }
label.check { display: flex; gap: .5rem; align-items: center; }
fieldset { border: 1px solid var(--line); border-radius: 8px; display: grid; grid-template-columns: repeat(3, 1fr); gap: .5rem; }
legend { font-weight: 600; }
input, select { font: inherit; padding: .55rem; border: 1px solid #b9b1a5; border-radius: 6px; min-height: 44px; width: 100%; }
input[type=checkbox] { width: 22px; min-height: 22px; }
input:focus, select:focus, button:focus, a:focus { outline: 3px solid #e0a43a; outline-offset: 2px; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: .5rem .25rem; border-bottom: 1px solid var(--line); vertical-align: top; }
td span { color: var(--muted); font-size: .9rem; }
.result { border-left: 5px solid var(--accent); }
.error { color: #a00; font-weight: 600; }
button { font: inherit; font-weight: 700; margin-top: .75rem; padding: .6rem 1rem; min-height: 44px; border: 0; border-radius: 6px; background: var(--accent); color: #fff; cursor: pointer; }
details { background: var(--card); border: 1px solid var(--line); border-radius: 8px; padding: .6rem .8rem; margin: .5rem 0; }
summary { font-weight: 600; cursor: pointer; }
.note { font-size: .92rem; color: var(--muted); border-left: 3px solid var(--line); padding-left: .75rem; }
.cards { list-style: none; padding: 0; display: grid; gap: .75rem; }
.cards a { display: grid; gap: .25rem; background: var(--card); border: 1px solid var(--line); border-radius: 10px; padding: 1rem; text-decoration: none; color: var(--ink); }
.cards span { color: var(--muted); }
footer { max-width: 44rem; margin: 2rem auto; padding: 1rem; font-size: .9rem; color: var(--muted); }
@media print {
  header, footer, form.calc, button, h2, h2 ~ *, .lede { display: none !important; }
  .result { border: 0; }
}