:root {
  --navy: #0b2662;
  --navy-2: #143a8a;
  --gold: #c8a24a;
  --p50: #fff8e7;
  --ink: #1c2330;
  --muted: #5e5e5e;
  --line: #e3e7ee;
  --bg: #f6f8fb;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font-family: "Segoe UI", system-ui, -apple-system, Arial, sans-serif;
  line-height: 1.5;
}
.site-header {
  background: var(--navy); color: #fff; padding: 18px 24px;
  border-bottom: 3px solid var(--gold);
}
.brand { display: flex; align-items: center; gap: 18px; max-width: 980px; margin: 0 auto; }
.brand .logo { height: 72px; width: auto; flex: 0 0 auto; }
.brand-mark { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; color: #aebbe0; }
.site-header h1 { margin: 1px 0 0; font-size: 26px; font-weight: 700; letter-spacing: .01em; }
.site-header h1 .tm { font-size: 13px; font-weight: 600; vertical-align: super; color: #c7d2ee; }
.tagline { margin: 3px 0 0; font-size: 12.5px; letter-spacing: .12em; text-transform: uppercase; color: var(--gold); font-weight: 600; }
.wrap { max-width: 980px; margin: 0 auto; padding: 24px; }

.important {
  background: #fff; border: 1px solid var(--line); border-left: 4px solid var(--gold);
  border-radius: 10px; padding: 18px 22px; margin: 0 0 24px;
  box-shadow: 0 1px 3px rgba(11,38,98,.05);
}
.important h2 { margin: 0 0 8px; font-size: 15px; color: var(--navy); }
.important p { margin: 0 0 10px; font-size: 13px; color: var(--muted); }
.important p:last-child { margin-bottom: 0; }

.controls {
  display: grid; grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 18px 28px; background: #fff; border: 1px solid var(--line);
  border-radius: 10px; padding: 22px; box-shadow: 0 1px 3px rgba(11,38,98,.05);
}
.control label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 8px; }
.control .val { color: var(--navy); font-weight: 700; }
.hint { margin: 6px 0 0; font-size: 12.5px; color: var(--muted); min-height: 1.2em; }
input[type=range] { width: 100%; accent-color: var(--navy); }
.range-ends { display: flex; justify-content: space-between; font-size: 11.5px; color: var(--muted); margin-top: 2px; }
select {
  width: 100%; padding: 9px 10px; border: 1px solid var(--line); border-radius: 7px;
  font-size: 14px; background: #fff; color: var(--ink);
}
.seg { display: flex; gap: 8px; flex-wrap: wrap; }
.seg-btn {
  flex: 1 1 auto; padding: 9px 12px; border: 1px solid var(--line); background: #fff;
  border-radius: 7px; cursor: pointer; font-size: 13.5px; font-weight: 600; color: var(--muted);
  transition: all .12s;
}
.seg-btn.active { background: var(--navy); color: #fff; border-color: var(--navy); }

.banner {
  margin: 18px 0 0; padding: 12px 16px; border-radius: 8px; font-size: 13.5px;
  background: #fff6e2; border: 1px solid #e8cf94; color: #7a5b12;
}
.banner.hidden { display: none; }

.results { margin-top: 26px; }
.results h2 { font-size: 17px; color: var(--navy); margin: 22px 0 10px; }
.table-scroll { overflow-x: auto; border: 1px solid var(--line); border-radius: 10px; background: #fff; }
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { padding: 10px 14px; text-align: right; white-space: nowrap; }
th { background: var(--navy); color: #fff; font-weight: 600; font-size: 12.5px; }
th.lvl, td.lvl { text-align: left; }
td.lvl { font-weight: 600; }
tbody tr:nth-child(even) { background: #fafbfd; }
tbody tr:not(:last-child) td { border-bottom: 1px solid var(--line); }
th.p50 { background: var(--navy-2); }
td.p50 { background: var(--p50); font-weight: 700; }

.mix { margin-top: 26px; background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: 18px 20px; }
.mix h3 { margin: 0 0 14px; font-size: 15px; color: var(--navy); }
.mix-ctx { font-weight: 400; color: var(--muted); font-size: 13px; }
.mix-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.mix-item { display: flex; flex-direction: column; gap: 3px; padding: 12px; border-radius: 8px; background: var(--bg); }
.mix-item.total { background: var(--p50); }
.mix-k { font-size: 12px; color: var(--muted); }
.mix-v { font-size: 18px; font-weight: 700; color: var(--ink); }
.mix-v.na { color: #a0a6b2; font-weight: 600; }
.mix-note { margin: 14px 0 0; font-size: 13px; color: var(--muted); }

.hidden { display: none; }
.fo-note { margin: 16px 2px 0; font-size: 12.5px; color: var(--muted); font-style: italic; }

.disclaimer { margin-top: 30px; font-size: 12px; color: var(--muted); border-top: 1px solid var(--line); padding-top: 16px; }
.disclaimer a { color: var(--navy); }
.copyright { margin-top: 8px; }

@media (max-width: 680px) {
  .controls { grid-template-columns: 1fr; }
  .mix-grid { grid-template-columns: 1fr 1fr; }
  .brand { flex-direction: column; text-align: center; gap: 10px; }
  .brand .logo { height: 64px; }
}