/* Plain CSS, no framework. Colours follow chemXplore's navy and pale blue. */
:root {
  --ink: #1f2937;
  --muted: #6b7280;
  --line: #e5e7eb;
  --navy: #0b2545;
  --pale: #e8f0fb;
  --red: #b91c1c;
  --green: #15803d;
  --orange: #c2410c;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--ink);
  background: #fff;
}

a { color: var(--navy); }

header.site {
  display: flex;
  gap: 2rem;
  align-items: center;
  padding: 0.75rem 1.5rem;
  background: var(--navy);
}
header.site a { color: #fff; text-decoration: none; }
header.site .brand { font-weight: 700; }
header.site nav { display: flex; gap: 1.25rem; }
header.site form.signout { margin-left: auto; }
header.site form.signout button { background: none; border: 0; padding: 0; color: #fff; font: inherit; cursor: pointer; }

main { max-width: 72rem; margin: 0 auto; padding: 1.5rem; }

h1 { font-size: 1.5rem; margin: 0 0 1rem; }
h2 { font-size: 1.1rem; margin: 2rem 0 0.75rem; }

.notice { padding: 0.5rem 0.75rem; background: #dcfce7; border-radius: 4px; }
.alert { padding: 0.5rem 0.75rem; background: #fee2e2; border-radius: 4px; }
.muted { color: var(--muted); }
.actions { display: flex; gap: 1rem; align-items: center; margin: 1rem 0; }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 0.4rem 0.5rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 0.8rem; text-transform: uppercase; color: var(--muted); font-weight: 600; }

.filters { display: flex; flex-wrap: wrap; gap: 0.75rem; align-items: end; margin-bottom: 1rem; }
.filters label { display: grid; font-size: 0.8rem; color: var(--muted); }

.badge { display: inline-block; padding: 0 0.4rem; border-radius: 3px; font-size: 0.8rem; background: var(--pale); }
.badge.top { background: var(--navy); color: #fff; }
.badge.low { background: var(--line); }
.badge.draft { background: #ffedd5; color: var(--orange); }
.overdue { color: var(--red); font-weight: 600; }

.columns { display: grid; grid-template-columns: 2fr 1fr; gap: 2rem; }
@media (max-width: 50rem) { .columns { grid-template-columns: 1fr; } }

.facts { display: grid; grid-template-columns: max-content 1fr; gap: 0.25rem 1rem; margin: 0; }
.facts dt { color: var(--muted); }
.facts dd { margin: 0; }

.brief { background: var(--pale); padding: 1rem 1.25rem; border-radius: 6px; }
.brief p:first-child { margin-top: 0; }
.brief p:last-child { margin-bottom: 0; }

.markdown > :first-child { margin-top: 0; }
.markdown > :last-child { margin-bottom: 0; }
.markdown h1, .markdown h2, .markdown h3 { font-size: 1rem; margin: 1rem 0 0.25rem; }
.markdown ul, .markdown ol { padding-left: 1.25rem; }
.markdown table { width: auto; }
.markdown code { font-size: 0.9em; background: var(--line); padding: 0 0.2rem; border-radius: 3px; }

.touch { border-top: 1px solid var(--line); padding: 0.75rem 0; }
.touch header { display: flex; gap: 0.75rem; align-items: baseline; }
.touch .body { white-space: normal; }

form .field { display: grid; gap: 0.2rem; margin-bottom: 0.75rem; }
form .field label { font-size: 0.85rem; color: var(--muted); }
form .row { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 0.75rem; }
input[type=text], input[type=email], input[type=password], input[type=url], input[type=date], input[type=number], select, textarea {
  width: 100%;
  padding: 0.4rem 0.5rem;
  font: inherit;
  border: 1px solid #d1d5db;
  border-radius: 4px;
}
textarea { min-height: 8rem; }
textarea.tall { min-height: 18rem; }
button, input[type=submit] {
  padding: 0.45rem 1rem;
  font: inherit;
  color: #fff;
  background: var(--navy);
  border: 0;
  border-radius: 4px;
  cursor: pointer;
}
.errors { color: var(--red); }
form.signin { max-width: 22rem; }
button.secondary { color: var(--navy); background: #fff; border: 1px solid var(--navy); }