:root {
  --text: #1a1a1a;
  --bg: #ffffff;
  --border: #cccccc;
  --green: #2d6a4f;
  --amber: #7a5c00;
  --red: #9b2226;
  --focus: #005fcc;
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, sans-serif;
  line-height: 1.6;
  max-width: 48rem;
  margin: 0 auto;
  padding: 1.5rem;
  color: var(--text);
  background: var(--bg);
}

header { margin-bottom: 2rem; border-bottom: 1px solid var(--border); padding-bottom: 1rem; }
.tagline { color: #444; margin-top: 0; }

nav ul {
  list-style: none;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
}

nav a:focus-visible { outline: 3px solid var(--focus); outline-offset: 2px; }
nav a:focus:not(:focus-visible) { outline: none; }

h1 { font-size: 1.75rem; margin-bottom: 0.25rem; }

.outcome-badge {
  display: inline-block;
  font-weight: 700;
  padding: 0.15rem 0.5rem;
  border: 2px solid var(--border);
  border-radius: 4px;
}

.outcome-green { border-left: 6px solid var(--green); }
.outcome-amber { border-left: 6px solid var(--amber); }
.outcome-red { border-left: 6px solid var(--red); }

.outcome-list dt { margin-top: 1rem; font-weight: 600; }
.outcome-list dd { margin-left: 0; margin-bottom: 0.5rem; }

form fieldset {
  border: 1px solid var(--border);
  border-radius: 4px;
  margin: 1rem 0;
  padding: 1rem;
}

form legend { font-weight: 700; padding: 0 0.25rem; }

label { display: block; margin: 0.5rem 0 0.15rem; font-weight: 600; }

input[type="text"],
input[type="date"],
textarea,
select {
  width: 100%;
  padding: 0.5rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 4px;
}

input:focus-visible,
textarea:focus-visible,
select:focus-visible,
button:focus-visible,
a:focus-visible,
summary:focus-visible,
[tabindex]:focus-visible {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

input:focus:not(:focus-visible),
textarea:focus:not(:focus-visible),
select:focus:not(:focus-visible),
button:focus:not(:focus-visible),
a:focus:not(:focus-visible) {
  outline: none;
}

.checkbox-row {
  display: flex;
  align-items: flex-start;
  gap: 0.5rem;
  margin: 0.5rem 0;
}

.checkbox-row input { width: auto; margin-top: 0.3rem; }
.checkbox-row label { font-weight: 400; margin: 0; }

button {
  background: var(--text);
  color: var(--bg);
  border: none;
  padding: 0.6rem 1.2rem;
  font-size: 1rem;
  border-radius: 4px;
  cursor: pointer;
  margin-top: 1rem;
}

#result-panel {
  border: 2px solid var(--border);
  padding: 1rem;
  margin-top: 1.5rem;
  border-radius: 4px;
}

#result-panel[hidden] { display: none; }

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

th, td {
  border: 1px solid var(--border);
  padding: 0.5rem;
  text-align: left;
  vertical-align: top;
}

th { background: #f5f5f5; }

footer {
  margin-top: 3rem;
  padding-top: 1rem;
  border-top: 1px solid var(--border);
  font-size: 0.85rem;
  color: #555;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

/* Company mark in the site header */
.brand-lockup { display: inline-flex; align-items: center; gap: 0.6rem; }
.brand-lockup h1 { margin: 0; }
.brand-mark, .brand-mark img { display: block; width: 36px; height: 36px; flex: 0 0 auto; }