/* Fourth Floor Asset Tags — tokens first, then layout, then components */
:root {
  --bg: #eceef1;
  --surface: #ffffff;
  --fg: #16181c;
  --muted: #5b616b;
  --line: #d3d7dd;
  --chip: #e3e6ea;
  --accent: #f6f06b;
  --accent-ink: #16181c;
  --ok: #2f7d4f;
  --warn: #9a6a00;
  --bad: #b3372b;
  --ok-bg: #e3f2e8;
  --warn-bg: #fbf1d4;
  --bad-bg: #f8e1de;
  --display: "Archivo", "Helvetica Neue", Arial, sans-serif;
  --body: "IBM Plex Sans", "Helvetica Neue", Arial, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, Menlo, Consolas, monospace;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #15171b; --surface: #1e2126; --fg: #e9ebee; --muted: #9aa1ab; --line: #31353c; --chip: #2a2e35;
    --ok: #6cc592; --warn: #e5b94c; --bad: #ef7b6f;
    --ok-bg: #1f3328; --warn-bg: #3a3020; --bad-bg: #3d2322;
    color-scheme: dark;
  }
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--fg); font: 15px/1.5 var(--body); }
a { color: inherit; }
h1, h2, h3 { font-family: var(--display); line-height: 1.2; margin: 0; text-wrap: balance; }
h1 { font-size: 26px; font-weight: 800; }
h2 { font-size: 18px; font-weight: 700; }
h3 { font-size: 15px; font-weight: 700; }
p { margin: 0; max-width: 70ch; }
code, .mono { font-family: var(--mono); }
.muted { color: var(--muted); }
.small { font-size: 13px; }

/* shell */
.top { background: var(--fg); color: var(--bg); }
.top-in { max-width: 1180px; margin: 0 auto; padding-inline: 20px; padding-block: 10px; display: flex; flex-wrap: wrap; align-items: center; gap: 6px 22px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; font-family: var(--display); font-weight: 800; letter-spacing: .01em; }
.brand-mark { background: var(--accent); color: var(--accent-ink); font-family: var(--mono); font-weight: 800; font-size: 12px; padding: 3px 6px; border-radius: 3px; }
.nav { display: flex; flex-wrap: wrap; gap: 4px 16px; flex: 1; }
.nav a { text-decoration: none; opacity: .8; font-size: 14px; padding-block: 4px; border-bottom: 2px solid transparent; }
.nav a:hover, .nav a.on { opacity: 1; border-bottom-color: var(--accent); }
.who { font-size: 13px; opacity: .8; display: flex; gap: 12px; }
main { max-width: 1180px; margin: 0 auto; padding-inline: 20px; padding-block: 26px 60px; display: grid; gap: 22px; }
.head { display: flex; flex-wrap: wrap; align-items: end; justify-content: space-between; gap: 12px; }

/* flash */
.flash { padding: 10px 14px; border-radius: 8px; font-size: 14px; }
.flash.ok { background: var(--ok-bg); color: var(--ok); }
.flash.warn { background: var(--warn-bg); color: var(--warn); }
.flash.bad { background: var(--bad-bg); color: var(--bad); }

/* surfaces */
.card { background: var(--surface); border: 1px solid var(--line); border-radius: 10px; padding: 18px; display: grid; gap: 14px; min-width: 0; }
.grid2 { display: grid; grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 860px) { .grid2 { grid-template-columns: 1fr; } }

/* forms */
form.stack { display: grid; gap: 14px; }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 12px; }
.field { display: grid; gap: 4px; min-width: 0; }
.field > label, .lbl { font-size: 12px; color: var(--muted); font-family: var(--mono); letter-spacing: .05em; text-transform: uppercase; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=search], select, textarea {
  font: inherit; color: var(--fg); background: var(--surface); border: 1.5px solid var(--line); border-radius: 6px;
  padding: 8px 10px; width: 100%; min-width: 0;
}
textarea { min-height: 70px; resize: vertical; }
input:focus-visible, select:focus-visible, textarea:focus-visible, button:focus-visible, a:focus-visible { outline: 2px solid var(--fg); outline-offset: 2px; }
.hint { font-size: 12.5px; color: var(--muted); }
.btn, button { font: 600 14px var(--body); padding: 8px 14px; border-radius: 6px; cursor: pointer; border: 1.5px solid var(--fg); background: transparent; color: var(--fg); text-decoration: none; display: inline-flex; align-items: center; gap: 6px; white-space: nowrap; }
.btn.primary, button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.danger, button.danger { border-color: var(--bad); color: var(--bad); }
.btn.quiet, button.quiet { border-color: var(--line); }
.actions { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }

/* format picker */
.formats { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 8px; }
.formats label { border: 1.5px solid var(--line); border-radius: 8px; padding: 10px; display: grid; gap: 2px; cursor: pointer; }
.formats label:has(input:checked) { border-color: var(--fg); box-shadow: inset 0 0 0 1px var(--fg); }
.formats input { position: absolute; opacity: 0; pointer-events: none; }
.formats b { font-family: var(--display); }
.formats span { font-size: 12px; color: var(--muted); }

/* tables */
.tbl { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
table { border-collapse: collapse; width: 100%; font-size: 14px; }
th, td { text-align: left; padding: 9px 12px; border-bottom: 1px solid var(--line); vertical-align: middle; }
th { font: 500 11.5px var(--mono); letter-spacing: .06em; text-transform: uppercase; color: var(--muted); white-space: nowrap; }
tr:last-child td { border-bottom: 0; }
td.code a { font-family: var(--mono); font-weight: 800; letter-spacing: .08em; text-decoration: none; }
td.code a:hover { background: var(--accent); color: var(--accent-ink); }
.nowrap { white-space: nowrap; }

/* pills */
.pill { display: inline-block; font: 500 12px var(--mono); padding: 1px 8px; border-radius: 99px; background: var(--chip); white-space: nowrap; }
.pill.active { background: var(--ok-bg); color: var(--ok); }
.pill.unassigned { background: var(--warn-bg); color: var(--warn); }
.pill.retired { background: var(--chip); color: var(--muted); text-decoration: line-through; }
.pill.reprint { background: var(--bad-bg); color: var(--bad); }
.pill.fmt { background: var(--accent); color: var(--accent-ink); }
.pill.fmt-loan { background: #e2483b; color: #111; }

/* stat strip */
.stats { display: flex; flex-wrap: wrap; gap: 10px; }
.stat { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 8px 14px; display: grid; text-decoration: none; min-width: 120px; }
.stat b { font: 800 20px var(--mono); font-variant-numeric: tabular-nums; }
.stat span { font-size: 12px; color: var(--muted); }
.stat.alert { border-color: var(--bad); }
.stat.alert b { color: var(--bad); }

.filters { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.filters input[type=search] { max-width: 340px; }
.filters select { width: auto; }

/* label preview */
.preview { display: flex; justify-content: center; align-items: center; padding: 22px 12px; border-radius: 8px;
  background: repeating-linear-gradient(45deg, var(--chip) 0 6px, transparent 6px 12px); }
.preview svg { width: 100%; max-width: 420px; height: auto; filter: drop-shadow(0 1px 2px rgba(0,0,0,.3)); }
.preview svg.fmt-micro { max-width: 260px; }
.big-code { font: 800 34px var(--mono); letter-spacing: .12em; }
dl.meta { display: grid; grid-template-columns: max-content 1fr; gap: 6px 16px; margin: 0; font-size: 14px; }
dl.meta dt { color: var(--muted); }
dl.meta dd { margin: 0; min-width: 0; overflow-wrap: anywhere; }

/* hudu picker */
.picker { display: grid; gap: 8px; }
.picker-results { display: grid; gap: 4px; max-height: 260px; overflow: auto; }
.picker-results button { justify-content: space-between; width: 100%; border-color: var(--line); font-weight: 500; text-align: left; white-space: normal; }
.picker-results button small { color: var(--muted); font-family: var(--mono); }
.linked { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; background: var(--chip); padding: 8px 10px; border-radius: 6px; font-size: 14px; }

/* history */
.history { list-style: none; margin: 0; padding: 0; display: grid; gap: 0; font-size: 13.5px; }
.history li { display: grid; grid-template-columns: 150px 1fr; gap: 10px; padding: 7px 0; border-bottom: 1px dashed var(--line); }
.history li:last-child { border-bottom: 0; }
.history time { color: var(--muted); font-family: var(--mono); font-size: 12px; }

/* login / message */
.narrow { max-width: 420px; margin: 8vh auto 0; width: 100%; }
.sso { background: var(--fg); color: var(--bg); border-color: var(--fg); justify-content: center; }
.or { text-align: center; font-size: 12px; color: var(--muted); }