:root {
  color-scheme: light;
  --brand-blue: #00a0c6;
  --brand-blue-dark: #0081a0;
  --brand-green: #80c41c;
  --ink: #212529;
  --muted: #5c656d;
  --line: #e9ecef;
  --paper: #f8f9fa;
  --low: #f3f8e6;
  --ok: #e7f6ea;
  --err: #fdecea;
  --accent: var(--brand-blue);
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font: 16px/1.45 "Segoe UI", sans-serif;
  color: var(--ink);
  background: var(--paper);
}
header {
  display: flex;
  gap: 1.5rem;
  align-items: center;
  padding: 0.8rem 1.25rem;
  background: var(--brand-blue);
  color: #fff;
  border-bottom: 3px solid var(--brand-green);
}
.brand { font-weight: 700; color: #fff; text-decoration: none; }
nav { display: flex; gap: 0.75rem; align-items: center; }
nav a { color: #fff; text-decoration: none; padding: 0.35rem 0.55rem; border-radius: 4px; }
nav a.on { box-shadow: inset 0 -3px 0 var(--brand-green); }
nav form { margin: 0; }
nav button {
  font: inherit;
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255, 255, 255, 0.55);
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
}
button, .button {
  font: inherit;
  border: 1px solid var(--line);
  background: white;
  border-radius: 6px;
  padding: 0.35rem 0.7rem;
  cursor: pointer;
  text-decoration: none;
  color: var(--ink);
}
button[type="submit"], a.button {
  background: var(--brand-green);
  color: #fff;
  border-color: var(--brand-green);
}
button.ghost {
  background: #fff;
  color: var(--brand-blue-dark);
  border-color: var(--brand-blue);
}
main { max-width: 960px; margin: 0 auto; padding: 1.25rem; }
h1 { margin: 0 0 0.75rem; font-size: 1.5rem; }
h2 { margin: 1.25rem 0 0.4rem; font-size: 1.1rem; }
.bar { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }
.meta { color: var(--muted); }
.stack { display: grid; gap: 0.7rem; max-width: 28rem; }
.stack.wide { max-width: 42rem; }
.stack label, .pair label { display: grid; gap: 0.2rem; font-size: 0.9rem; color: var(--muted); }
input, select {
  font: inherit;
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: white;
  color: var(--ink);
}
.pair {
  display: grid;
  grid-template-columns: 1fr 7rem auto;
  gap: 0.5rem;
  align-items: end;
}
.actions { display: flex; flex-wrap: wrap; gap: 1.5rem; margin: 1rem 0; }
.inline { align-items: end; grid-template-columns: auto auto; }
table { width: 100%; border-collapse: collapse; background: white; margin-top: 0.75rem; }
th, td { text-align: left; padding: 0.45rem 0.6rem; border-bottom: 1px solid var(--line); }
th { font-size: 0.8rem; color: var(--muted); font-weight: 600; }
tr.low { background: var(--low); }
.flash { padding: 0.6rem 0.75rem; border-radius: 6px; }
.flash.ok { background: var(--ok); }
.flash.err { background: var(--err); }
.narrow { max-width: 22rem; margin: 2rem auto; }
main a { color: var(--brand-blue-dark); }