:root {
  --ink: #1c1914;
  --muted: #6b6256;
  --paper: #f4efe6;
  --card: #fffaf2;
  --line: #d8d0c3;
  --accent: #2f5d50;
  --danger: #8c2f2f;
}
* { box-sizing: border-box; }
html, body { margin: 0; background: var(--paper); color: var(--ink); font: 16px/1.5 "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif; }
.screen { min-height: 100vh; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 16px; padding: 1.25rem; }
.lock-card { max-width: 28rem; margin: 12vh auto; padding: 2rem; }
.eyebrow { text-transform: uppercase; letter-spacing: 0.12em; font-size: 0.72rem; color: var(--muted); margin: 0 0 0.4rem; }
h1 { font-size: 2rem; margin: 0 0 0.6rem; }
h2 { font-size: 0.95rem; letter-spacing: 0.06em; text-transform: uppercase; color: var(--muted); margin: 0 0 0.8rem; }
.lede, .hint, .disclaimer { color: var(--muted); font-size: 0.95rem; }
label { display: block; font-size: 0.85rem; color: var(--muted); margin: 0.7rem 0; }
input, select, button { font: inherit; }
input, select { width: 100%; margin-top: 0.3rem; padding: 0.55rem 0.7rem; border: 1px solid var(--line); border-radius: 10px; background: #fff; color: var(--ink); }
button { background: var(--accent); color: #f7f3ea; border: 0; border-radius: 10px; padding: 0.65rem 1rem; cursor: pointer; }
button.ghost { background: transparent; color: var(--ink); border: 1px solid var(--line); }
.error, .error-banner { color: var(--danger); }
.banner { border: 1px solid #e0c48a; background: #fff4d6; padding: 0.6rem 0.8rem; border-radius: 10px; }
.error-banner { border-color: #e3b0b0; background: #f8e8e8; }
header { display: flex; justify-content: space-between; gap: 1rem; align-items: end; padding: 1.25rem 1.5rem 0; flex-wrap: wrap; }
.header-actions { display: flex; gap: 0.5rem; align-items: center; flex-wrap: wrap; }
.rate { display: flex; align-items: center; gap: 0.4rem; margin: 0; }
.rate input { width: 4rem; }
#app section { padding: 1rem 1.5rem; }
.metrics { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 0.75rem; }
.metric { background: var(--card); border: 1px solid var(--line); border-radius: 14px; padding: 0.9rem; }
.metric b { display: block; font-size: 1.35rem; margin-top: 0.2rem; font-variant-numeric: tabular-nums; }
.metric span { font-size: 0.75rem; color: var(--muted); text-transform: uppercase; letter-spacing: 0.06em; }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 14px; background: var(--card); }
table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.75rem; border-top: 1px solid var(--line); font-variant-numeric: tabular-nums; }
th { font-size: 0.72rem; text-transform: uppercase; letter-spacing: 0.06em; color: var(--muted); border-top: 0; }
.split { display: grid; grid-template-columns: 1fr 280px; gap: 1rem; }
.row-head { display: flex; gap: 0.5rem; align-items: center; margin-bottom: 0.6rem; flex-wrap: wrap; }
.row-head h2 { margin: 0; flex: 1; }
.row-head select, .row-head input { width: auto; min-width: 9rem; }
.linkish { background: none; border: 0; color: var(--danger); padding: 0; }
#disclaimer { padding: 0 1.5rem; }
@media (max-width: 840px) {
  .split { grid-template-columns: 1fr; }
  header { padding: 1rem; }
}