/* Black and white, like the documents. */
:root {
  --ink: #141414;
  --muted: #6b6b6b;
  --line: #d6d6d6;
  --soft: #f5f5f3;
  --bg: #ffffff;
  --ok: #1f6b3a;
  --bad: #a3261d;
  --focus: #2f5bd8;
  color-scheme: light;
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--ink); font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
main { max-width: 980px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font: 400 30px/1.2 Georgia, "Times New Roman", serif; margin: 8px 0 20px; }
h2 { font-size: 13px; letter-spacing: .12em; text-transform: uppercase; margin: 28px 0 10px; }
a { color: var(--ink); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

.nav { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 12px 16px; border-bottom: 1px solid var(--ink); }
.nav .brand { font-weight: 700; letter-spacing: .2em; text-decoration: none; }
.nav .brand span { font-weight: 400; letter-spacing: .05em; color: var(--muted); }
.nav .links { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1; }
.nav .links a { text-decoration: none; padding: 2px 0; border-bottom: 2px solid transparent; }
.nav .links a.on { border-bottom-color: var(--ink); }
.nav .who { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: 13px; margin: 0; }

.flash { padding: 10px 14px; border-left: 3px solid; background: var(--soft); }
.flash.ok { border-color: var(--ok); }
.flash.error { border-color: var(--bad); }
.problems { border-left: 3px solid var(--bad); background: #fbf1f0; padding: 10px 14px 10px 32px; }

.card { border: 1px solid var(--line); border-left: 3px solid var(--ink); padding: 16px; margin: 12px 0; background: #fff; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px 16px; }
label { display: block; font-size: 12px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); margin-bottom: 4px; }
label.inline { display: inline-flex; gap: 8px; align-items: center; text-transform: none; letter-spacing: 0; font-size: 14px; color: var(--ink); }
input, select, textarea { width: 100%; font: inherit; padding: 9px 10px; border: 1px solid #a9a9a9; border-radius: 0; background: #fff; color: var(--ink); }
input[type=checkbox], input[type=radio] { width: auto; }
textarea { min-height: 70px; }
input:focus, select:focus, textarea:focus, button:focus-visible { outline: 2px solid var(--focus); outline-offset: 1px; }
.hint { font-size: 12px; color: var(--muted); margin-top: 3px; }
.hint.bad { color: var(--bad); }
.hint.good { color: var(--ok); }

button, .button { display: inline-block; font: inherit; padding: 10px 18px; border: 1px solid var(--ink); background: var(--ink); color: #fff; cursor: pointer; text-decoration: none; border-radius: 0; }
button.secondary, .button.secondary { background: #fff; color: var(--ink); }
button.danger { background: var(--bad); border-color: var(--bad); }
button.link { background: none; border: none; color: inherit; text-decoration: underline; padding: 0; }
.actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 18px; align-items: center; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); border-bottom: 1px solid var(--ink); padding: 6px 8px; }
td { border-bottom: 1px solid var(--line); padding: 8px; vertical-align: top; }
td.num, th.num { text-align: right; white-space: nowrap; }
.table-wrap { overflow-x: auto; }
.tag { display: inline-block; font-size: 11px; letter-spacing: .06em; text-transform: uppercase; padding: 1px 6px; border: 1px solid currentColor; }
.tag.cancelled { color: var(--bad); }
.tag.voucher { color: var(--muted); }
.tag.pending { color: #8a5a00; }

.amount { font-size: 26px; font-weight: 700; }
.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: end; }
.filters > * { flex: 1 1 160px; }
.filters button { flex: 0 0 auto; }
.seal { max-width: 220px; border: 1px solid var(--line); background: #fff; }
.center { max-width: 420px; margin: 10vh auto; }
.hidden { display: none !important; }
.items td input { min-width: 70px; }

@media (max-width: 640px) {
  h1 { font-size: 24px; }
  .nav .who { width: 100%; }
}
.first { margin-top: 0; }
.gap { margin-top: 12px; }
.m0 { margin: 0; }
.m-sm { margin: 2px 0 10px; }
.inline-form { display: inline; }