:root {
  --ink: #1d2433;
  --muted: #5d6677;
  --line: #d9dde5;
  --accent: #1f4e8c;
  --bg: #f6f7f9;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font:
    16px/1.5 system-ui,
    sans-serif;
}

.bar {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: #fff;
  border-bottom: 1px solid var(--line);
}

nav a {
  margin-right: 1rem;
  color: var(--accent);
  text-decoration: none;
}

main {
  max-width: 48rem;
  margin: 1.5rem auto;
  padding: 0 1.5rem;
}

/* Wide tables scroll inside this wrapper instead of widening the page. */
.scroll-x {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  background: #fff;
}

th,
td {
  padding: 0.5rem 0.75rem;
  border-bottom: 1px solid var(--line);
  text-align: left;
}

label {
  display: block;
  margin: 0.75rem 0 0.25rem;
  color: var(--muted);
}

input,
select {
  padding: 0.4rem 0.5rem;
  border: 1px solid var(--line);
  border-radius: 4px;
  font: inherit;
}

button,
.button {
  margin-top: 1rem;
  padding: 0.45rem 1rem;
  border: 0;
  border-radius: 4px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  text-decoration: none;
  cursor: pointer;
}

.error {
  padding: 0.75rem 1rem;
  border: 1px solid #c0392b;
  background: #fdecea;
}

[role='alert'].error {
  margin: 0 0 1rem;
}

form.inline {
  display: inline;
}