/* TCT Sample Desk.
   One stylesheet, no build step. The print block at the bottom is what R&D actually
   carries into the lab, so it is not an afterthought here. */

:root{
  --ink:#16191d; --mut:#6b727c; --line:#e2e5ea; --bg:#f6f7f9; --card:#fff;
  --accent:#1f5f9e; --warn:#a8600f; --bad:#a52a2a; --ok:#1c6b45;
  --radius:10px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{
  font:15px/1.55 system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",
       "PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink); background:var(--bg);
}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}

header.top{
  display:flex; align-items:center; gap:18px; padding:10px 18px;
  background:var(--card); border-bottom:1px solid var(--line); position:sticky; top:0; z-index:5;
}
/* A class selector beats the user agent's [hidden] rule, so `el.hidden = true` on a styled
   element does nothing unless this is here. The signed out page showed its navigation bar
   until it was. */
header.top[hidden]{display:none}
.brand{font-weight:650; color:var(--ink); letter-spacing:.2px}
.tabs{display:flex; gap:4px; flex:1; flex-wrap:wrap}
.tabs a{padding:6px 11px; border-radius:7px; color:var(--mut); font-size:14px}
.tabs a.on{background:#eef2f7; color:var(--accent); font-weight:600}
.who{color:var(--mut); font-size:13px; white-space:nowrap}

.wrap{max-width:1060px; margin:0 auto; padding:20px 18px 60px}
h1{font-size:21px; margin:0 0 4px}
h2{font-size:16px; margin:26px 0 10px}
.sub{color:var(--mut); font-size:13px; margin:0 0 18px}

.card{background:var(--card); border:1px solid var(--line); border-radius:var(--radius);
      padding:16px 18px; margin:0 0 14px}
.row{display:flex; gap:14px; flex-wrap:wrap}
.row > *{flex:1 1 220px; min-width:0}
.split{display:grid; grid-template-columns:1fr 340px; gap:16px; align-items:start}
@media(max-width:820px){ .split{grid-template-columns:1fr} }

label{display:block; font-size:12px; color:var(--mut); margin:0 0 4px; font-weight:600;
      letter-spacing:.02em; text-transform:uppercase}
input,select,textarea,button{font:inherit}
input,select,textarea{
  width:100%; padding:9px 11px; border:1px solid var(--line); border-radius:8px;
  background:#fff; color:var(--ink);
  /* iOS zooms the whole page when a focused field is under 16px. */
  font-size:16px;
}
textarea{min-height:96px; resize:vertical; line-height:1.5}
.field{margin:0 0 13px}

button{
  border:1px solid var(--line); background:#fff; color:var(--ink);
  padding:9px 14px; border-radius:8px; cursor:pointer; min-height:42px; font-size:14px;
}
button:hover{border-color:#c9cfd8}
button.primary{background:var(--accent); border-color:var(--accent); color:#fff; font-weight:600}
button.primary:hover{background:#1a5289}
button.small{min-height:34px; padding:5px 10px; font-size:13px}
.actions{display:flex; gap:8px; flex-wrap:wrap; margin-top:6px}

table{width:100%; border-collapse:collapse; font-size:14px}
th,td{text-align:left; padding:9px 10px; border-bottom:1px solid var(--line); vertical-align:top}
th{font-size:12px; color:var(--mut); text-transform:uppercase; letter-spacing:.03em}
tr[data-nav]{cursor:pointer}
tr[data-nav]:hover{background:#f4f7fb}
.scroll{overflow-x:auto}

.pill{display:inline-block; padding:2px 9px; border-radius:20px; font-size:12px;
      background:#eef2f7; color:var(--accent); white-space:nowrap}
.pill.gray{background:#f0f1f3; color:var(--mut)}
.pill.warn{background:#fdf1e0; color:var(--warn)}
.pill.ok{background:#e6f3ec; color:var(--ok)}
.code{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace; font-weight:600}
.muted{color:var(--mut)}
.small{font-size:13px}
.err{background:#fdecec; border:1px solid #f3c9c9; color:var(--bad);
     padding:10px 13px; border-radius:8px; margin:0 0 14px}
.notice{background:#fdf6e7; border:1px solid #f0dfb8; color:var(--warn);
        padding:10px 13px; border-radius:8px; margin:0 0 14px}
.empty{color:var(--mut); padding:22px; text-align:center}

/* history panel: three bands, none of it typed by a person */
.band{border-left:3px solid var(--line); padding:2px 0 2px 13px; margin:0 0 16px}
.band h3{font-size:12px; text-transform:uppercase; letter-spacing:.04em; color:var(--mut);
         margin:0 0 7px; font-weight:700}
.band.now{border-left-color:var(--accent)}
.band.prev{border-left-color:#c9cfd8}

.thread{display:flex; flex-direction:column; gap:11px}
.remark{background:#fafbfc; border:1px solid var(--line); border-radius:9px; padding:10px 12px}
.remark .meta{font-size:12px; color:var(--mut); margin:0 0 5px;
              display:flex; gap:7px; align-items:center; flex-wrap:wrap}
.remark .body{white-space:pre-wrap; font-size:14px}
.remark.internal{background:#fdf9ef; border-color:#eadfc4}

.chain{list-style:none; margin:0; padding:0}
.chain li{padding:7px 0; border-bottom:1px dashed var(--line); font-size:14px}
.chain li:last-child{border-bottom:0}

/* ---------- the printed sheet ----------
   R&D prints this, receives on it, and signs it again when the sample is done. Toms
   confirmed it is a working sheet and not a controlled quality record, so an electronic
   signature can replace it later without anyone's approval. Until then this has to come
   out of a printer looking like the form they already know. */
.sheet{
  width:210mm; min-height:297mm; margin:0 auto 20px; padding:14mm 13mm;
  background:#fff; border:1px solid var(--line); border-radius:4px;
  /* Pinned, not named-and-hoped-for: an unloaded font prints differently on every machine. */
  font-family:"Times New Roman",Times,"Songti SC","SimSun",serif; font-size:11.5pt; color:#000;
}
.sheet h1{text-align:center; font-size:16pt; letter-spacing:.06em; margin:0 0 2mm}
.sheet .formno{text-align:center; font-size:8pt; color:#444; margin:0 0 6mm}
.sheet table{border-collapse:collapse; width:100%; margin:0 0 5mm; font-size:11pt}
.sheet th,.sheet td{border:1px solid #000; padding:2mm 2.5mm; vertical-align:top}
.sheet th{background:#f0f0f0; font-size:9.5pt; text-transform:none; color:#000; letter-spacing:0}
.sheet .kv td:nth-child(odd){width:26mm; font-weight:600}
.sheet .note{font-size:9pt; line-height:1.45; margin:4mm 0}
.sheet .big{min-height:26mm}
.sigs{display:grid; grid-template-columns:repeat(3,1fr); gap:6mm; margin-top:10mm}
.sig{font-size:9.5pt}
.sig .line{border-bottom:1px solid #000; height:15mm; margin:0 0 2mm}
.sig .who{color:#000}
.sheettools{max-width:210mm; margin:0 auto 12px; display:flex; gap:8px; justify-content:flex-end}

@media print{
  header.top,.sheettools,.noprint{display:none !important}
  body{background:#fff}
  .wrap{padding:0; max-width:none}
  .sheet{width:auto; min-height:0; margin:0; padding:0; border:0; border-radius:0}
  /* The detail table runs longer than FGTN's single-page note, so rows must not be sliced
     in half across a page break. */
  .sheet table,.sheet tr,.sigs,.sig{break-inside:avoid; page-break-inside:avoid}
  @page{size:A4; margin:12mm}
}
@media (prefers-reduced-motion: reduce){*{transition:none !important; animation:none !important}}