/* ─────────────────────────────────────────────
   RESET & BASE
───────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  /* Brand greens — deep, authoritative */
  --g-dark:    #0f3622;
  --g-mid:     #1a5c3a;
  --g-btn:     #1f7a4e;
  --g-hover:   #196040;
  --g-lite:    #eaf4ef;
  --g-border:  #7bbfa0;

  /* Purple accent — assay rows */
  --p-dark:    #2d1f5e;
  --p-mid:     #4a3290;
  --p-lite:    #f0edfb;
  --p-border:  #9c87d4;

  /* Neutrals */
  --beige:     #f4f1eb;
  --beige2:    #e8e3d8;
  --surface:   #fafaf8;
  --ink:       #0d0d0d;
  --ink-2:     #2c2c2c;
  --muted:     #636363;
  --muted-2:   #9a9a9a;
  --line:      #d8d8d8;
  --line-soft: #eeeeee;
  --white:     #ffffff;
  --danger:    #aa2e22;

  --radius:    4px;
  --radius-md: 7px;

  /* Shadows */
  --shadow-sm: 0 1px 3px rgba(0,0,0,.07);
  --shadow-md: 0 3px 10px rgba(0,0,0,.09), 0 1px 3px rgba(0,0,0,.05);
  --shadow-lg: 0 8px 30px rgba(0,0,0,.11), 0 2px 6px rgba(0,0,0,.06);

  /* Typography */
  --font:       "IBM Plex Sans", system-ui, -apple-system, sans-serif;
  --font-serif: "IBM Plex Serif", Georgia, serif;
  --font-mono:  "IBM Plex Mono", "Fira Mono", monospace;
}

body {
  font-family: var(--font);
  font-size: 13px;
  background: var(--beige);
  color: var(--ink);
  -webkit-font-smoothing: antialiased;
}

/* ─────────────────────────────────────────────
   SCREEN TOOLBAR
───────────────────────────────────────────── */
#toolbar {
  background: var(--g-dark);
  height: 52px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  gap: 8px;
  position: sticky;
  top: 0;
  z-index: 300;
  border-bottom: 1px solid rgba(255,255,255,.07);
  box-shadow: 0 2px 8px rgba(0,0,0,.22);
}
#toolbar .t-logo {
  flex: 1;
  font-size: 13px;
  font-weight: 600;
  color: #fff;
  letter-spacing: .15px;
}
#toolbar .t-logo em {
  font-style: normal;
  color: rgba(255,255,255,.4);
  font-size: 11px;
  font-weight: 400;
  margin-left: 10px;
  letter-spacing: .3px;
}

.btn {
  height: 32px;
  padding: 0 14px;
  font-family: var(--font);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .15px;
  cursor: pointer;
  border-radius: var(--radius);
  border: none;
  white-space: nowrap;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: background .15s, box-shadow .15s, transform .1s;
}
.btn:hover  { transform: translateY(-1px); }
.btn:active { transform: none; }
.btn-green  { background: var(--g-btn); color: #fff; }
.btn-green:hover  { background: var(--g-hover); }
.btn-purple { background: var(--p-mid); color: #fff; }
.btn-purple:hover { background: var(--p-dark); }
.btn-red    { background: var(--danger); color: #fff; }
.btn-red:hover    { background: #8b2419; }
.btn-red:disabled, .btn-red[disabled] {
  background: #f0d4d0; color: #fff; cursor: not-allowed; opacity: .7; transform: none;
}
.btn-red:disabled:hover, .btn-red[disabled]:hover { transform: none; }
.btn-ghost  {
  background: rgba(255,255,255,.08);
  border: 1px solid rgba(255,255,255,.18);
  color: rgba(255,255,255,.82);
}
.btn-ghost:hover { background: rgba(255,255,255,.15); }

/* Tab buttons in toolbar */
.tab-btn {
  height: 28px; padding: 0 12px;
  font-family: var(--font); font-size: 11.5px;
  font-weight: 500; letter-spacing: .1px;
  cursor: pointer; border-radius: 3px;
  border: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 5px;
  background: transparent; color: rgba(255,255,255,.6);
  transition: background .15s, color .15s;
}
.tab-btn:hover { background: rgba(255,255,255,.12); color: rgba(255,255,255,.9); }
.tab-btn-active { background: rgba(255,255,255,.18) !important; color: #fff !important; font-weight: 600; }

/* ─────────────────────────────────────────────
   PRODUCT SELECTOR BAR
───────────────────────────────────────────── */
#sel-bar {
  background: var(--white);
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 24px;
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  box-shadow: 0 1px 0 var(--line-soft);
}
#sel-bar label {
  font-size: 11px;
  font-weight: 600;
  color: var(--muted);
  white-space: nowrap;
  text-transform: uppercase;
  letter-spacing: .6px;
}

.typeahead-wrap { position: relative; flex: 1; min-width: 220px; max-width: 400px; }
#prodInput {
  width: 100%;
  padding: 7px 12px 7px 34px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  font-family: var(--font);
  font-size: 13px;
  background: var(--surface);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='13' height='13' viewBox='0 0 24 24' fill='none' stroke='%239a9a9a' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.35-4.35'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 11px center;
}
#prodInput:focus { border-color: var(--p-mid); box-shadow: 0 0 0 3px rgba(74,50,144,.1); background-color: var(--white); }

#prodDrop {
  display: none;
  position: absolute;
  top: calc(100% + 4px);
  left: 0; right: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  max-height: 280px;
  overflow-y: auto;
  z-index: 400;
  box-shadow: var(--shadow-lg);
}
.pd-item { padding: 9px 14px; cursor: pointer; border-bottom: 1px solid var(--line-soft); transition: background .1s; }
.pd-item:last-child { border-bottom: none; }
.pd-item:hover { background: var(--p-lite); }
.pd-item .pi-name { font-weight: 600; font-size: 12px; color: var(--ink); }
.pd-item .pi-sub  { font-size: 11px; color: var(--muted); margin-top: 2px; }

.loaded-badge {
  display: none;
  font-size: 11px;
  background: var(--g-lite);
  border: 1px solid var(--g-border);
  color: var(--g-mid);
  padding: 5px 12px;
  border-radius: 20px;
  font-weight: 600;
  transition: opacity .5s;
}
/* Diff highlight */
.fi.diff, .combo.diff select { background: #fffbee !important; border-color: #c89a00 !important; }
@media print { .fi.diff, .combo.diff select { background: transparent !important; border-color: transparent !important; } }

/* ─────────────────────────────────────────────
   HISTORY BAR
───────────────────────────────────────────── */
#history-bar {
  display: none;
  background: var(--surface);
  border-bottom: 1px solid var(--line-soft);
  padding: 8px 24px;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
#history-bar label { font-size: 11px; font-weight: 600; color: var(--muted); white-space: nowrap; text-transform: uppercase; letter-spacing: .5px; }
#batchHistorySelect {
  flex: 1; min-width: 180px; max-width: 320px;
  font-family: var(--font); font-size: 12px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 6px 9px; background: var(--white); cursor: pointer; outline: none;
  color: var(--ink); transition: border-color .15s;
}
#batchHistorySelect:focus { border-color: var(--p-mid); }
.btn-sm {
  height: 30px;
  padding: 0 12px;
  font-family: var(--font); font-size: 11.5px;
  font-weight: 500; cursor: pointer;
  border-radius: var(--radius); border: none; white-space: nowrap;
  display: inline-flex; align-items: center; gap: 5px;
  transition: background .15s, transform .1s;
}
.btn-sm:hover  { transform: translateY(-1px); }
.btn-sm:active { transform: none; }
.btn-sm-green  { background: var(--g-btn);  color: #fff; }
.btn-sm-green:hover  { background: var(--g-hover); }
.btn-sm-purple { background: var(--p-mid);  color: #fff; }
.btn-sm-purple:hover { background: var(--p-dark); }
.btn-sm-ghost  { background: var(--white); border: 1.5px solid var(--line); color: var(--ink-2); }
.btn-sm-ghost:hover  { border-color: var(--p-border); color: var(--p-dark); }
.btn-sm-red    { background: var(--danger); color: #fff; }
.btn-sm-red:hover    { background: #8b2419; }
.btn-sm-red:disabled, .btn-sm-red[disabled] {
  background: #f0d4d0; color: #fff; cursor: not-allowed; opacity: .7;
}

/* ─────────────────────────────────────────────
   VIEW-LAST MODAL
───────────────────────────────────────────── */
#coaModal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 1000;
  align-items: center; justify-content: center;
  backdrop-filter: blur(3px);
}
#coaModal.open { display: flex; }
#coaModalBox {
  background: var(--white); width: 540px; max-width: 96vw;
  max-height: 88vh; overflow-y: auto;
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
  padding: 0;
}
#coaModalBox .modal-head {
  background: var(--g-dark); color: #fff;
  padding: 13px 18px; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
  border-radius: var(--radius-md) var(--radius-md) 0 0;
}
#coaModalBox .modal-head button {
  background: rgba(255,255,255,.12); border: none; color: #fff;
  font-size: 14px; cursor: pointer; line-height: 1;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
#coaModalBox .modal-head button:hover { background: rgba(255,255,255,.25); }
#coaModalContent { padding: 16px 18px; font-size: 12px; }
#coaModalContent table { width: 100%; border-collapse: collapse; }
#coaModalContent td { padding: 5px 10px; border-bottom: 1px solid var(--line-soft); vertical-align: top; }
#coaModalContent td:first-child { font-weight: 600; color: var(--muted); width: 42%; font-size: 11px; text-transform: uppercase; letter-spacing: .4px; }
.modal-foot { padding: 10px 18px; text-align: right; border-top: 1px solid var(--line-soft); }
@media print { #history-bar, #coaModal, #btnSaveCOA, #btnDeleteCOA, #records-tab, #rec-detail-modal, #tab-switcher { display: none !important; } }
/* Assay row icon buttons — + add and bin delete */
.assay-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  margin-left: auto;   /* pushes icon to the far right of the cell */
  padding: 0;
  width: 16px;
  height: 16px;
  background: none;
  border: none;
  cursor: pointer;
  border-radius: 3px;
  color: #b0b0b0;
  opacity: .7;
  transition: opacity .15s, color .15s, background .15s;
}
.assay-icon-btn:hover { opacity: 1; color: #666; background: rgba(0,0,0,.05); }
.assay2-remove-btn:hover { color: var(--danger) !important; }
/* Make tc-test a flex row so the icon can sit at the far right */
/* assay-row tc-test: flex on inner wrapper, NOT on td itself */
.assay-row .tc-test {
  /* td stays as table-cell — flex applied via .assay-tc-inner below */
}
.assay-tc-inner {
  display: flex;
  align-items: center;
  gap: 4px;
  flex-wrap: nowrap;
}
#assay-lbl1, #assay-lbl2 {
  white-space: nowrap;
  flex-shrink: 0;
}
@media print {
  .assay-icon-btn { display: none !important; }
}

/* ─────────────────────────────────────────────
   SETTINGS PANEL
───────────────────────────────────────────── */
#settings-panel {
  display: none;
  position: fixed; inset: 0;
  background: rgba(0,0,0,.45);
  z-index: 1100;
  align-items: flex-start; justify-content: center;
  overflow-y: auto;
  padding: 24px 0;
  backdrop-filter: blur(3px);
}
#settings-panel.open { display: flex; }
#settings-box {
  background: var(--white);
  width: 490px; max-width: 96vw;
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin: auto;
}
#settings-box .sp-head {
  background: var(--g-dark); color: #fff;
  padding: 14px 20px; font-size: 13px; font-weight: 600;
  display: flex; align-items: center; justify-content: space-between;
}
#settings-box .sp-head button {
  background: rgba(255,255,255,.12); border: none; color: #fff;
  font-size: 14px; cursor: pointer; line-height: 1;
  width: 24px; height: 24px; border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  transition: background .15s;
}
#settings-box .sp-head button:hover { background: rgba(255,255,255,.25); }
#settings-box .sp-body { padding: 20px 20px 8px; }
.sp-field { margin-bottom: 14px; }
.sp-field label {
  display: block; font-size: 11px; font-weight: 600;
  color: var(--muted); margin-bottom: 5px;
  text-transform: uppercase; letter-spacing: .5px;
}
.sp-field input {
  width: 100%; padding: 8px 11px;
  font-family: var(--font); font-size: 12.5px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  outline: none; color: var(--ink); background: var(--surface);
  transition: border-color .15s, box-shadow .15s;
}
.sp-field input:focus { border-color: var(--p-mid); box-shadow: 0 0 0 3px rgba(74,50,144,.1); background: var(--white); }
.sp-field .sp-hint { font-size: 11px; color: var(--muted-2); margin-top: 5px; line-height: 1.55; }
.sp-section-title {
  font-size: 10.5px; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--muted); margin: 20px 0 12px;
  padding-top: 16px; border-top: 1px solid var(--line-soft);
}
.sp-section-title:first-child { border-top: none; padding-top: 0; margin-top: 0; }
.sp-field.sp-checkbox { display: flex; align-items: center; }
.sp-field.sp-checkbox label {
  display: flex; align-items: center; gap: 6px;
  margin: 0; font-weight: 500; cursor: pointer; text-transform: none; letter-spacing: 0;
}
.sp-field.sp-checkbox input { width: auto; margin: 0; }
.sp-status { font-size: 11px; padding: 7px 11px; border-radius: var(--radius); margin-bottom: 12px; display: none; }
.sp-status.ok  { background: var(--g-lite);  color: var(--g-mid);  border: 1px solid var(--g-border); display: block; }
.sp-status.err { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c2; display: block; }
#settings-box .sp-foot {
  padding: 12px 20px 16px; display: flex; gap: 8px; justify-content: flex-end;
  border-top: 1px solid var(--line-soft); margin-top: 8px;
}
@media print { #settings-panel { display: none !important; } }

/* ─────────────────────────────────────────────
   A4 PAGE WRAPPER
───────────────────────────────────────────── */
.page-wrap { padding: 28px 16px 40px; }

#coa {
  width: 210mm;
  max-width: 92%;
  min-height: 297mm;
  background: var(--white);
  margin: 0 auto;
  padding: 20mm 15mm 10mm 15mm;
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(0,0,0,.04);
  display: flex;
  flex-direction: column;
}

/* ─────────────────────────────────────────────
   COA HEADER BLOCK
───────────────────────────────────────────── */
.coa-top {
  border-bottom: 2.5px solid var(--g-dark);
  padding-bottom: 10px;
  margin-bottom: 11px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.coa-logo {
  max-height: 56px;
  max-width: 128px;
  object-fit: contain;
  flex-shrink: 0;
}
.coa-top .co-info { flex: 1; }
.coa-top .co-name {
  font-family: var(--font-serif);
  font-size: 19px; font-weight: 700;
  letter-spacing: 0.3px;
  color: var(--g-dark);
  line-height: 1.2;
}
.coa-top .co-addr { font-size: 9px; color: var(--muted); margin-top: 3px; letter-spacing: .1px; }
.coa-top .doc-badge {
  text-align: center;
  border: 1.5px solid var(--g-dark);
  padding: 7px 18px;
  border-radius: 3px;
  background: var(--g-dark);
}
.coa-top .doc-badge .db-title {
  font-size: 10px; font-weight: 700; letter-spacing: 3px;
  color: #fff;
  text-transform: uppercase;
}
.coa-top .doc-badge .db-sub { display: none; }

/* ─────────────────────────────────────────────
   HEADER GRID  (product meta)
───────────────────────────────────────────── */
.hdr-grid {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 11px;
}
.hdr-grid td {
  border: 0.5px solid var(--line);
  padding: 5px 10px;
  vertical-align: middle;
  line-height: 1.45;
}
.hdr-grid .hl {
  font-weight: 600;
  font-size: 8.5px;
  white-space: nowrap;
  width: 110px;
  background: #f6f6f4;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}
.hdr-grid .hv { font-size: 10.5px; font-weight: 500; color: var(--ink); }
.hdr-grid .hv.full { width: auto; }

/* ─────────────────────────────────────────────
   SECTION HEADING ROW
───────────────────────────────────────────── */
.sec-row td {
  background: var(--g-dark) !important;
  color: rgba(255,255,255,.92) !important;
  font-weight: 600;
  font-size: 9px;
  letter-spacing: 1.4px;
  padding: 5px 10px !important;
  border-color: var(--g-mid) !important;
  text-transform: uppercase;
}
.sec-row.purple td {
  background: var(--p-dark) !important;
  border-color: var(--p-mid) !important;
  color: rgba(255,255,255,.92) !important;
}
/* Per-row assay method tag — appears after active name in purple assay rows */
.assay-method-tag {
  display: inline-flex;
  align-items: center;
  gap: 0;
  margin-left: 5px;
  vertical-align: middle;
}
.assay-method-tag .by-label {
  font-size: 9px;
  font-weight: 500;
  color: var(--p-mid);
  letter-spacing: .3px;
  opacity: .75;
  margin-right: 2px;
}
.assay-method-sel {
  background: var(--p-lite);
  border: 1px solid var(--p-border);
  border-radius: 3px;
  color: var(--p-dark);
  font: 600 9px/1 var(--font);
  letter-spacing: .5px;
  text-transform: uppercase;
  padding: 1px 4px;
  cursor: pointer;
  outline: none;
  -webkit-appearance: none;
  appearance: none;
  transition: border-color .15s;
}
.assay-method-sel:focus { border-color: var(--p-mid); box-shadow: 0 0 0 2px rgba(74,50,144,.15); }

/* Plain-text twin used only in print/PDF — kept hidden on screen */
.assay-method-print {
  display: none;
}

@media print {
  /* Hide the editable interactive tag entirely in print — replaced by .assay-method-print */
  .assay-method-tag { display: none !important; }
  .assay-method-print {
    display: inline !important;        /* single inline text run — no flex, no pseudo-elements */
    margin-left: 4px;
    font: 700 8.5px/1 var(--font);
    color: #2d1f5e;
    -webkit-text-fill-color: #2d1f5e;
    white-space: nowrap;                /* keep "(BY GV)" together — no wrap mid-bracket */
    letter-spacing: .3px;
    vertical-align: baseline;
  }
}

/* ─────────────────────────────────────────────
   MAIN TEST TABLE
───────────────────────────────────────────── */
.test-tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 10px;
  font-size: 11px;
}
.test-tbl th {
  border: 0.5px solid var(--line);
  padding: 6px 10px;
  font-size: 9px;
  font-weight: 700;
  text-align: left;
  background: #f0f0ee;
  color: var(--muted);
  letter-spacing: 1.2px;
  text-transform: uppercase;
}
.test-tbl th.tc-val, .test-tbl th.tc-res {
  text-align: center;
  background: #ebebea;
}
.test-tbl td {
  border: 0.5px solid var(--line);
  padding: 5.5px 9px;
  vertical-align: middle;
}
.test-tbl tbody tr:not(.sec-row):not(.assay-row):hover td {
  background: #fafaf7 !important;
}
.test-tbl .tc-test { width: 38%; font-weight: 500; font-size: 11px; color: var(--ink-2); }
.test-tbl .tc-spec { width: 31%; color: var(--muted); font-size: 11px; background: #fafaf8; }
.test-tbl .tc-val  { width: 16%; text-align: center; vertical-align: middle; }
.test-tbl .tc-res  { width: 15%; text-align: center; vertical-align: middle; }

/* Spec column — lock plain text inputs only, allow selects and number inputs */
.tc-spec > input[type="text"].fi:not([type="number"]) { pointer-events: none; background: transparent !important; border-color: transparent !important; color: var(--muted); cursor: default; }
/* Force all spec text/inputs to same muted grey */
.tc-spec, .tc-spec input, .tc-spec select, .tc-spec .fi { color: var(--muted) !important; }
.tc-spec select.fi { pointer-events: auto; background: #fafaf8; border-color: var(--line); cursor: pointer; color: var(--muted) !important; }
.tc-spec select.fi option { color: var(--ink); }
.tc-spec .sp-split .sp-pre,
.tc-spec .sp-split .sp-suf { color: var(--muted-2); font-weight: 600; }
.tc-spec .sp-split input[type="number"] { background: var(--white); border-color: var(--line); color: var(--muted) !important; }
/* Assay spec inputs: go dark when a real value has been entered or loaded from a record */
.tc-spec .sp-split input[type="number"].spv-entered { color: var(--ink) !important; }
.tc-res-hint { font-size: 9px; color: var(--muted-2); font-weight: normal; display: block; letter-spacing: .3px; }

/* Result dropdown */
.result-sel {
  width: 100%;
  font-family: var(--font);
  font-size: 11px;
  border: 0.5px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 5px;
  background: #f8f8f8;
  color: var(--ink);
  cursor: pointer;
  outline: none;
  text-align: center;
  transition: border-color .15s;
}
.result-sel:focus { border-color: var(--p-mid); box-shadow: 0 0 0 2px rgba(74,50,144,.1); }

/* Result combo */
.res-combo { display: flex; flex-direction: column; gap: 3px; align-items: stretch; }
.res-combo .res-entry { display: none; align-items: center; justify-content: center; gap: 4px; }
.res-combo .res-entry.on { display: flex; }
.res-combo .res-entry input[type="number"] {
  width: 100%; max-width: 90px;
  font-family: var(--font); font-size: 11px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 3px 6px; text-align: center; outline: none;
}
.res-combo .res-entry input[type="number"]:focus { border-color: var(--p-mid); box-shadow: 0 0 0 2px rgba(74,50,144,.1); }
.res-combo .res-entry .res-unit { font-size: 10px; color: var(--muted); white-space: nowrap; }

.fi-static { font-size: 11px; color: var(--ink-2); display: block; padding: 2px 2px; }
.tc-val .fi, .tc-val input { text-align: center; }

/* ─────────────────────────────────────────────
   INPUTS — screen
───────────────────────────────────────────── */
.fi {
  width: 100%;
  font-family: var(--font);
  font-size: 11.5px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 8px;
  background: var(--white);
  color: var(--ink);
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
.fi:focus {
  border-color: var(--p-mid);
  box-shadow: 0 0 0 3px rgba(74,50,144,.1);
}
.fi.ro {
  background: #f6f6f4;
  color: var(--muted);
  border-color: var(--line-soft);
  cursor: default;
}

/* Assay result fields: suppress placeholder on screen so empty fields look truly blank */
#r-assay1::placeholder, #r-assay2::placeholder { color: transparent !important; }

/* Combo = select + optional free-text */
.combo { display: flex; gap: 4px; align-items: center; width: 100%; }
.combo select {
  flex: 1;
  font-family: var(--font);
  font-size: 11.5px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  padding: 4px 6px;
  background: var(--white);
  cursor: pointer;
  outline: none;
  transition: border-color .15s;
}
.combo select:focus { border-color: var(--p-mid); }
.combo .fi.cx { flex: 1; display: none; }
.combo .fi.cx.on { display: block; }

/* num + unit */
.nu { display: flex; align-items: center; gap: 5px; justify-content: center; }
.nu .fi { flex: 1; min-width: 0; text-align: center; }
.nu span { font-size: 10px; color: var(--muted); white-space: nowrap; }
.nu.insoluble { cursor: pointer; }
.nu.insoluble span { color: #111; font-weight: 600; font-size: 11px; }

/* Split spec */
.sp-split { display: flex; align-items: center; gap: 4px; }
.sp-split .sp-pre, .sp-split .sp-suf { font-size: 10px; white-space: nowrap; color: var(--muted-2); font-weight: 600; }
.sp-split .fi { flex: 1; min-width: 0; }

/* autocomplete */
.ac-wrap { position: relative; }
.ac-list {
  display: none;
  position: absolute;
  top: calc(100% + 3px); left: 0; right: 0;
  background: var(--white);
  border: 1.5px solid var(--p-mid);
  border-radius: var(--radius);
  max-height: 160px;
  overflow-y: auto;
  z-index: 500;
  box-shadow: var(--shadow-md);
}
.ac-list div { padding: 6px 10px; cursor: pointer; font-size: 11.5px; border-bottom: 1px solid var(--line-soft); }
.ac-list div:last-child { border-bottom: none; }
.ac-list div:hover { background: var(--p-lite); color: var(--p-dark); }

/* ─────────────────────────────────────────────
   BOTTOM SECTIONS
───────────────────────────────────────────── */
.info-tbl {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: 8px;
  font-size: 11px;
}
.info-tbl td {
  border: 0.5px solid var(--line);
  padding: 5px 10px;
  vertical-align: middle;
}
.info-tbl .il {
  font-weight: 600; font-size: 9px; white-space: nowrap;
  width: 120px; background: #f6f6f4;
  color: var(--muted); text-transform: uppercase; letter-spacing: .5px;
}
.info-tbl .iv { font-size: 11px; color: var(--ink-2); font-weight: 500; }

.remarks-row {
  border: 0.5px solid var(--line);
  padding: 6px 10px;
  font-size: 11px;
  margin-bottom: 8px;
  display: flex;
  align-items: baseline;
  gap: 8px;
  border-radius: var(--radius);
  background: #fafaf8;
}
.remarks-row strong {
  white-space: nowrap; color: var(--muted);
  font-size: 9px; text-transform: uppercase; letter-spacing: .5px;
  font-weight: 600;
}
.remarks-row .fi { flex: 1; }

/* ─────────────────────────────────────────────
   ASSAY ROWS — purple accent on screen
───────────────────────────────────────────── */
.assay-row td { background: #f4f1fb !important; border-color: #d8d0ef !important; }
.assay-row td:first-child { border-left: none !important; padding-left: 9px !important; }
.assay-row .tc-test { color: var(--p-dark) !important; font-weight: 600 !important; }
.assay-row .tc-spec { background: #eeebf8 !important; }
.test-tbl tbody tr.assay-row:hover td { background: #ede9f8 !important; }

/* ─────────────────────────────────────────────
   SIGNATURES
───────────────────────────────────────────── */
.sig-row {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 14px;
  margin-top: 12px;
  padding-top: 0;
}
/* When attribution sig blocks (Analysed/Reviewed) are hidden, the lone
   Approved/QC Manager block stays right-aligned via auto left margin —
   preserves the original look for legacy records. */
.sig-row > .sig-blk:last-child { margin-left: auto; }
.sig-row > .sig-blk:not(:last-child) ~ .sig-blk { margin-left: 0; }
.sig-blk { text-align: center; width: 30%; min-width: 120px; position: relative; min-height: 80px; }
.sig-line {
  border-top: 1px solid var(--ink-2);
  margin-top: 28px; padding-top: 5px;
  font-size: 10px; font-weight: 600;
  position: relative; z-index: 1;
  color: var(--ink-2); letter-spacing: .2px;
}
.sig-sub  { font-size: 9px; color: var(--muted); margin-top: 2px; }

/* Stamp */
.stamp-img {
  position: absolute; bottom: 30px; left: 50%;
  transform: translateX(-50%) rotate(-4deg);
  max-height: 68px; max-width: 136px;
  opacity: 0.42; pointer-events: none; z-index: 2;
}

/* Company footer */
.coa-footer {
  margin-top: auto; padding: 7px 12px;
  background: var(--g-lite);
  border-top: 2px solid var(--g-dark);
  text-align: center; border-radius: 0 0 2px 2px;
}
.coa-footer .cf-row {
  font-size: 9.5px; color: var(--muted);
  line-height: 1.6; margin: 1px 0;
}
.coa-footer .cf-row:empty { display: none; }
.coa-footer .cf-lbl { font-weight: 600; color: var(--ink-2); }
.coa-footer .cf-sep { margin: 0 7px; color: var(--line); }
.coa-footer .cf-web { color: var(--g-mid); font-weight: 600; }

/* ─────────────────────────────────────────────
   PRINT DROPDOWN
───────────────────────────────────────────── */
.print-wrap { position: relative; display: inline-block; }
.print-menu {
  display: none;
  position: absolute; top: calc(100% + 5px); right: 0;
  background: var(--white);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  z-index: 500; min-width: 170px; overflow: hidden;
}
.print-menu.open { display: block; }
.print-menu button {
  display: block; width: 100%; text-align: left;
  padding: 10px 15px;
  font-family: var(--font); font-size: 12px; font-weight: 500;
  background: none; border: none; cursor: pointer; color: var(--ink-2);
  border-bottom: 1px solid var(--line-soft);
  transition: background .1s;
}
.print-menu button:last-child { border-bottom: none; }
.print-menu button:hover { background: var(--p-lite); color: var(--p-dark); }

/* ─────────────────────────────────────────────
   MOBILE RESPONSIVE
───────────────────────────────────────────── */
@media (max-width: 700px) {
  #toolbar { padding: 0 12px; gap: 6px; height: auto; min-height: 48px; flex-wrap: wrap; padding-top: 6px; padding-bottom: 6px; }
  #toolbar .t-logo { font-size: 11px; flex: 1 1 100%; }
  #toolbar .t-logo em { display: none; }
  .btn { padding: 6px 10px; font-size: 10px; letter-spacing: 0; }

  #sel-bar { padding: 8px 12px; gap: 8px; }
  #sel-bar label { display: none; }
  .typeahead-wrap { max-width: 100%; }

  #history-bar { padding: 7px 12px; gap: 7px; }
  #batchHistorySelect { max-width: 100%; }

  .page-wrap { padding: 8px 0; }

  /* A4 page scales to fit screen width */
  #coa {
    width: 100% !important;
    min-height: auto !important;
    padding: 14px 12px !important;
    border-left: none !important;
    border-right: none !important;
    box-shadow: none !important;
  }

  /* Header grid stacks to single column */
  .hdr-grid tr { display: flex; flex-direction: column; }
  .hdr-grid td { border-right: none !important; width: 100% !important; }
  .hdr-grid .hl { border-bottom: none !important; padding-bottom: 1px; min-width: unset; }

  /* Test table: compress columns (3-col layout) */
  .test-tbl .tc-test { width: 38%; font-size: 9.5px; }
  .test-tbl .tc-spec { width: 31%; font-size: 9.5px; }
  .test-tbl .tc-val  { width: 31%; }
  .test-tbl .tc-res  { width: 31%; }
  .test-tbl th       { font-size: 9.5px; padding: 3px 4px; }
  .test-tbl td       { padding: 2px 4px; }

  .sp-split .fi { min-width: 0; }

  /* Bottom tables stack */
  .info-tbl tr { display: flex; flex-direction: column; }
  .info-tbl td { width: 100% !important; border-right: none !important; }
  .info-tbl .il { border-bottom: none !important; padding-bottom: 1px; }

  .sig-row { flex-direction: column; gap: 24px; align-items: center; }
  .sig-blk { width: 70%; }
}

@media (max-width: 400px) {
  /* Audit fix: previously hid .tc-spec entirely at this width — operator filling
     a COA on a phone could not see the spec they were checking against.
     Now: keep all 3 columns visible, allow horizontal scroll if they overflow. */
  .test-tbl-wrap, .form-area { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .test-tbl { min-width: 360px; } /* prevent extreme column squeeze */
  .test-tbl .tc-test { width: 30%; min-width: 90px; }
  .test-tbl .tc-spec { width: 38%; min-width: 110px; }
  .test-tbl .tc-res  { width: 32%; min-width: 100px; }
  .test-tbl th, .test-tbl td { font-size: 9px; padding: 2px 3px; }
}

/* ─────────────────────────────────────────────
   PRINT  — v9 Professional
───────────────────────────────────────────── */
@media print {
  @page { size: A4; margin: 10mm 14mm 8mm 14mm; }

  * { font-family: "IBM Plex Sans", system-ui, Arial, sans-serif !important; }
  body {
    background: #fff !important; color: #111 !important; line-height: 1.4 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  #toolbar, #sel-bar, #history-bar,
  #settings-panel, #coaModal, .print-wrap .print-menu { display: none !important; }
  .page-wrap { padding: 0 !important; }
  button[onclick*="suggestBatchNo"], .no-print, [data-no-print] { display: none !important; }

  #coa {
    box-shadow: none !important; border: none !important;
    width: 100% !important; max-width: 100% !important;
    margin: 0 !important; padding: 0 !important; min-height: auto !important;
  }

  .fi, input, select, textarea {
    border: none !important; border-radius: 0 !important;
    background: transparent !important; box-shadow: none !important;
    padding: 0 !important; -webkit-appearance: none; appearance: none;
    outline: none !important; color: #111 !important;
    -webkit-text-fill-color: #111 !important;
    print-color-adjust: exact !important; -webkit-print-color-adjust: exact !important;
  }

  /* Hide ALL placeholder text in print — never let ghost text appear in PDF/print output */
  input::placeholder, textarea::placeholder { color: transparent !important; -webkit-text-fill-color: transparent !important; }

  /* Hide browser calendar/date picker icon on month + date inputs */
  input[type="month"]::-webkit-calendar-picker-indicator,
  input[type="date"]::-webkit-calendar-picker-indicator,
  input[type="month"]::-webkit-inner-spin-button,
  input[type="date"]::-webkit-inner-spin-button {
    display: none !important;
    -webkit-appearance: none !important;
    opacity: 0 !important;
    width: 0 !important;
  }
  input[type="month"], input[type="date"] {
    -webkit-appearance: none !important;
    appearance: none !important;
  }

  .combo { display: none !important; }
  #taste-print { display: inline !important; font-size: 9.5px !important; color: #777 !important; -webkit-text-fill-color: #777 !important; }

  .result-sel {
    -webkit-appearance: none; appearance: none;
    border: none !important; background: transparent !important; padding: 0 !important;
    font-size: 9.5px !important; color: #111 !important; font-weight: 600 !important;
    width: auto !important; text-align: center !important;
  }

  .res-combo { display: block !important; }
  .res-combo .result-sel { display: none !important; }
  .res-combo .res-entry  { display: none !important; }
  .res-combo .res-print  {
    display: inline !important; font-size: 9.5px !important;
    color: #111 !important; -webkit-text-fill-color: #111 !important; font-weight: 700 !important;
  }
  .ac-list, #prodDrop, .loaded-badge { display: none !important; }

  /* ── Header ── */
  .coa-top {
    border-bottom: 2.5px solid #0f3622 !important;
    padding-top: 6mm !important;
    padding-bottom: 8px !important; margin-bottom: 9px !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .coa-logo {
    max-height: 49px !important; max-width: 113px !important;
    object-fit: contain !important; flex-shrink: 0 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .coa-top .co-name {
    font-family: "IBM Plex Serif", Georgia, serif !important;
    font-size: 18px !important; font-weight: 700 !important;
    letter-spacing: 0.2px !important; color: #0f3622 !important;
    -webkit-text-fill-color: #0f3622 !important;
  }
  .coa-top .co-addr {
    font-size: 8px !important; color: #666 !important;
    margin-top: 2px !important; -webkit-text-fill-color: #666 !important;
  }
  .coa-top .doc-badge {
    border: 1.5px solid #0f3622 !important; padding: 6px 16px !important;
    border-radius: 3px !important; background: #0f3622 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .coa-top .doc-badge .db-title {
    font-size: 9.5px !important; font-weight: 700 !important;
    letter-spacing: 3px !important; color: #fff !important;
    -webkit-text-fill-color: #fff !important; text-transform: uppercase !important;
  }

  /* ── Header meta grid ── */
  .hdr-grid { border-collapse: collapse !important; width: 100% !important; margin-bottom: 8px !important; }
  .hdr-grid td {
    border: none !important; border-bottom: 0.5px solid #e5e5e5 !important;
    padding: 3px 9px !important; vertical-align: middle !important; line-height: 1.35 !important;
  }
  .hdr-grid tr:last-child td { border-bottom: none !important; }
  .hdr-grid .hl {
    font-size: 7px !important; font-weight: 700 !important; color: #888 !important;
    background: transparent !important; text-transform: uppercase !important;
    letter-spacing: 0.5px !important; width: 95px !important;
    -webkit-text-fill-color: #888 !important;
  }
  .hdr-grid .hv {
    font-size: 9.5px !important; font-weight: 600 !important;
    color: #111 !important; -webkit-text-fill-color: #111 !important;
  }
  .hdr-grid tr:nth-child(even) td {
    background: #f9f9f8 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }

  /* ── Test table ── */
  .test-tbl { border-collapse: collapse !important; width: 100% !important; margin-bottom: 0 !important; }

  .test-tbl thead th {
    border: none !important;
    border-top: 1.5px solid #222 !important; border-bottom: 1.5px solid #222 !important;
    padding: 4.5px 9px !important; font-size: 7.5px !important; font-weight: 700 !important;
    letter-spacing: 1.3px !important; text-transform: uppercase !important;
    background: #f0f0ee !important; color: #333 !important; text-align: left !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .test-tbl thead th.tc-val,
  .test-tbl thead th.tc-res {
    text-align: center !important; background: #e8e8e6 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .test-tbl td {
    border: none !important; border-bottom: 0.5px solid #e8e8e8 !important;
    padding: 3.5px 9px !important; font-size: 9.5px !important;
    color: #222 !important; vertical-align: middle !important; line-height: 1.4 !important;
  }

  /* Section rows — brand coloured in print */
  .sec-row td {
    border: none !important; border-top: 5px solid #fff !important;
    border-bottom: 0.5px solid #0f3622 !important; padding: 4px 9px !important;
    font-size: 7px !important; font-weight: 700 !important;
    letter-spacing: 2px !important; text-transform: uppercase !important;
    background: #0f3622 !important; color: rgba(255,255,255,.92) !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .sec-row.purple td {
    background: #2d1f5e !important; color: rgba(255,255,255,.92) !important;
    border-bottom: 0.5px solid #4a3290 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }

  /* Assay rows */
  .assay-row td {
    background: #f4f2fc !important; border-bottom: 0.5px solid #cdc5ea !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .assay-row td:first-child { border-left: none !important; padding-left: 9px !important; }
  .assay-row .tc-test {
    font-size: 9.5px !important; font-weight: 700 !important;
    color: #2d1f5e !important; -webkit-text-fill-color: #2d1f5e !important;
    display: block !important; /* override screen flex — print doesn't need it */
  }
  .assay-row .tc-spec {
    background: #edeaf8 !important; color: #4a3290 !important; font-size: 9px !important;
    -webkit-text-fill-color: #4a3290 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .assay-row .tc-spec .sp-print {
    color: #4a3290 !important; -webkit-text-fill-color: #4a3290 !important;
  }
  .assay-row .tc-val {
    font-size: 10px !important; font-weight: 700 !important;
    color: #2d1f5e !important; -webkit-text-fill-color: #2d1f5e !important;
  }
  .assay-row .tc-val .nu-print {
    font-size: 10px !important; font-weight: 700 !important;
    color: #2d1f5e !important; -webkit-text-fill-color: #2d1f5e !important;
  }

  /* Column widths */
  .test-tbl .tc-test { font-size: 9.5px !important; font-weight: 500 !important; color: #111 !important; width: 38% !important; }
  .test-tbl .tc-spec { font-size: 9px !important; color: #666 !important; background: transparent !important; width: 35% !important; }
  .test-tbl .tc-val  { font-size: 9.5px !important; font-weight: 600 !important; color: #111 !important; text-align: center !important; vertical-align: middle !important; width: 14% !important; }
  .test-tbl .tc-res  { font-size: 9.5px !important; font-weight: 700 !important; color: #111 !important; -webkit-text-fill-color: #111 !important; text-align: center !important; vertical-align: middle !important; width: 13% !important; }
  .test-tbl .tc-val input, .test-tbl .tc-val .nu-print,
  .test-tbl .tc-val .txt-print, .test-tbl .tc-val .fi-static {
    font-weight: 700 !important; color: #111 !important; -webkit-text-fill-color: #111 !important;
  }
  .tc-spec select { -webkit-appearance: none; appearance: none; font-size: 9px !important; color: #777 !important; -webkit-text-fill-color: #777 !important; }
  .tc-spec input[type="text"] { font-size: 9px !important; color: #777 !important; -webkit-text-fill-color: #777 !important; }
  .tc-res > .result-sel {
    -webkit-appearance: none !important; appearance: none !important;
    border: none !important; background: transparent !important; padding: 0 !important; margin: 0 !important;
    font-size: 9.5px !important; font-weight: 700 !important; color: #111 !important;
    -webkit-text-fill-color: #111 !important; width: auto !important; display: inline !important; opacity: 1 !important;
  }

  /* Print proxies */
  .nu { gap: 0 !important; display: inline !important; }
  .nu .fi, .nu input[type="number"] { display: none !important; }
  .nu .nu-print { display: inline !important; font-size: 9.5px !important; font-weight: 700 !important; color: #111 !important; -webkit-text-fill-color: #111 !important; }
  .nu > span:not(.nu-print) { display: none !important; }
  .tc-val > input[type="text"] { display: none !important; }
  .tc-val > .txt-print { display: inline !important; font-size: 9.5px !important; font-weight: 700 !important; color: #111 !important; -webkit-text-fill-color: #111 !important; }
  .sp-split { gap: 0 !important; display: inline !important; }
  .sp-split .fi, .sp-split input[type="number"] { display: none !important; }
  .sp-split .sp-pre, .sp-split .sp-suf { display: none !important; }
  .sp-split .sp-print { display: inline !important; font-size: 9px !important; color: #666 !important; font-weight: 400 !important; }

  /* ── Remarks ── */
  .remarks-row {
    border: none !important; border-top: 0.5px solid #ddd !important; border-bottom: 0.5px solid #ddd !important;
    background: #f9f9f8 !important; font-size: 8.5px !important;
    padding: 4px 9px !important; margin: 4px 0 5px !important;
    line-height: 1.4 !important; page-break-inside: avoid !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .remarks-row strong {
    color: #888 !important; font-weight: 700 !important; font-size: 7px !important;
    letter-spacing: .5px !important; text-transform: uppercase !important;
    -webkit-text-fill-color: #888 !important;
  }

  /* ── Info table ── */
  .info-tbl { border: none !important; margin-bottom: 4px !important; width: 100% !important; }
  .info-tbl td { border: none !important; border-bottom: 0.5px solid #ebebeb !important; padding: 2.5px 9px !important; font-size: 9px !important; vertical-align: middle !important; line-height: 1.4 !important; }
  .info-tbl tr:last-child td { border-bottom: none !important; }
  .info-tbl .il { font-size: 7px !important; font-weight: 700 !important; text-transform: uppercase !important; letter-spacing: 0.5px !important; color: #888 !important; background: transparent !important; width: 95px !important; -webkit-text-fill-color: #888 !important; }
  .info-tbl .iv { color: #111 !important; font-weight: 600 !important; -webkit-text-fill-color: #111 !important; }
  div[style*="font-size:9px"] { border: none !important; border-top: 0.5px solid #e0e0e0 !important; font-size: 7.5px !important; color: #999 !important; padding: 4px 0 !important; line-height: 1.5 !important; background: transparent !important; margin: 3px 0 !important; }

  /* ── Signatures ── */
  .sig-row { margin-top: 12px !important; page-break-inside: avoid !important; page-break-before: avoid !important; }
  .sig-blk { position: relative !important; }
  .stamp-img {
    position: absolute !important; bottom: 22px !important; left: 50% !important;
    transform: translateX(-50%) rotate(-4deg) !important;
    max-height: 70px !important; max-width: 140px !important;
    opacity: 0.48 !important; mix-blend-mode: multiply !important;
    pointer-events: none !important; z-index: 2 !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .sig-line {
    font-size: 8.5px !important; font-weight: 600 !important;
    border-top: 0.75px solid #555 !important; margin-top: 20px !important; padding-top: 4px !important;
    color: #222 !important; letter-spacing: 0.3px !important;
    position: relative !important; z-index: 1 !important; -webkit-text-fill-color: #222 !important;
  }
  .sig-sub { font-size: 7.5px !important; color: #999 !important; margin-top: 1px !important; -webkit-text-fill-color: #999 !important; }

  /* ── Footer band ── */
  .coa-footer {
    margin-top: auto !important; padding: 5px 10px !important;
    background: #eaf4ef !important; border: none !important;
    border-top: 2px solid #0f3622 !important; text-align: center !important;
    page-break-inside: avoid !important; page-break-before: avoid !important;
    -webkit-print-color-adjust: exact !important; print-color-adjust: exact !important;
  }
  .coa-footer .cf-row { font-size: 9px !important; color: #555 !important; line-height: 1.6 !important; letter-spacing: 0.15px !important; -webkit-text-fill-color: #555 !important; }
  .coa-footer .cf-row:empty { display: none !important; }
  .coa-footer .cf-lbl { font-weight: 700 !important; color: #0f3622 !important; -webkit-text-fill-color: #0f3622 !important; }
  .coa-footer .cf-sep { margin: 0 5px !important; color: #bbb !important; }
  .coa-footer .cf-web { color: #1a5c3a !important; font-weight: 600 !important; -webkit-text-fill-color: #1a5c3a !important; }

  .remarks-row, .info-tbl, .sig-row, .coa-footer { page-break-before: avoid !important; }
}

/* ─────────────────────────────────────────────
   TOP PROGRESS BAR  (YouTube-style loading indicator)
───────────────────────────────────────────── */
#top-progress {
  position: fixed;
  top: 0; left: 0;
  width: 0%;
  height: 3px;
  background: linear-gradient(90deg, #4a3290, #7c5cbf, #4a3290);
  background-size: 200% 100%;
  z-index: 9999;
  pointer-events: none;
  opacity: 0;
  transition: opacity .2s, width .4s cubic-bezier(.4,0,.2,1);
  animation: progress-shimmer 1.2s linear infinite;
}
#top-progress.active {
  opacity: 1;
}
@keyframes progress-shimmer {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}
@media print { #top-progress { display: none !important; } }



/* ─────────────────────────────────────────────
   COA RECORDS TAB — STYLES
───────────────────────────────────────────── */
#records-tab {
  min-height: calc(100vh - 52px);
  background: var(--beige);
  padding: 0;
}

#records-toolbar {
  background: var(--white);
  border-bottom: 1px solid var(--line-soft);
  padding: 10px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  box-shadow: 0 1px 0 var(--line-soft);
  position: sticky;
  top: 52px;
  z-index: 100;
}
#records-toolbar-left {
  display: flex; align-items: center; gap: 8px; flex-wrap: wrap;
}
#records-toolbar-right {
  display: flex; align-items: center; gap: 8px; flex-shrink: 0;
}

#rec-search-wrap {
  position: relative;
}
#rec-search {
  font-family: var(--font); font-size: 12.5px;
  padding: 6px 12px 6px 32px;
  border: 1.5px solid var(--line);
  border-radius: var(--radius);
  background: var(--surface); outline: none;
  width: 220px;
  transition: border-color .15s, box-shadow .15s;
}
#rec-search:focus { border-color: var(--p-mid); box-shadow: 0 0 0 3px rgba(74,50,144,.1); background: var(--white); }

#rec-filter-product, #rec-filter-form {
  font-family: var(--font); font-size: 12px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 6px 9px; background: var(--white);
  cursor: pointer; outline: none; color: var(--ink);
  transition: border-color .15s;
}
#rec-filter-product:focus, #rec-filter-form:focus { border-color: var(--p-mid); }
#rec-filter-product { max-width: 180px; }

#rec-date-wrap {
  display: flex; align-items: center; gap: 5px;
}
#rec-date-from, #rec-date-to {
  font-family: var(--font); font-size: 11.5px;
  border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 5px 8px; background: var(--white);
  outline: none; color: var(--ink);
  transition: border-color .15s;
  width: 128px;
}
#rec-date-from:focus, #rec-date-to:focus { border-color: var(--p-mid); }

/* Table wrapper */
#records-table-wrap {
  padding: 16px 20px;
  overflow-x: auto;
}

#records-table {
  width: 100%; border-collapse: collapse;
  background: var(--white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--line-soft);
  font-size: 12px;
}
#records-table thead tr {
  background: #f4f4f2;
}
#records-table th {
  padding: 9px 12px;
  font-size: 10px; font-weight: 700;
  text-transform: uppercase; letter-spacing: .8px;
  color: var(--muted); text-align: left;
  border-bottom: 1px solid var(--line);
  white-space: nowrap; user-select: none;
}
#records-table th.sortable { cursor: pointer; }
#records-table th.sortable:hover { color: var(--p-mid); }
#records-table th.sort-asc .sort-icon::after { content: '↑'; }
#records-table th.sort-desc .sort-icon::after { content: '↓'; }
.sort-icon { font-size: 10px; color: var(--muted-2); margin-left: 3px; }

#records-table tbody tr {
  border-bottom: 1px solid var(--line-soft);
  transition: background .1s;
}
#records-table tbody tr:hover { background: #fafaf7; }
#records-table tbody tr.rec-selected { background: #f0edfb !important; }
#records-table tbody tr:last-child { border-bottom: none; }
#records-table td {
  padding: 9px 12px; vertical-align: middle;
  color: var(--ink-2); font-size: 12px;
}
#records-table td.td-product { font-weight: 600; color: var(--ink); max-width: 180px; }
#records-table td.td-batch {
  font-family: "IBM Plex Mono", monospace;
  font-size: 11px; color: var(--g-mid); font-weight: 600;
}
#records-table td.td-form .form-badge {
  display: inline-block;
  font-size: 10px; font-weight: 600; letter-spacing: .3px;
  padding: 2px 7px; border-radius: 3px;
}
.form-badge.dry  { background: var(--g-lite);  color: var(--g-mid);  border: 1px solid var(--g-border); }
.form-badge.soft { background: #fdf0ed; color: #8b3a2a; border: 1px solid #c9836f; }
#records-table td.td-date { font-size: 11.5px; white-space: nowrap; color: var(--muted); }
#records-table td.td-assay { font-size: 11.5px; color: var(--ink-2); max-width: 140px; }
#records-table td.td-method { font-size: 11px; white-space: nowrap; }
.method-badge {
  display: inline-block;
  padding: 2px 7px;
  border-radius: 3px;
  font-size: 10.5px;
  font-weight: 600;
  letter-spacing: .3px;
  background: #f0f4ff;
  color: #3a5ca8;
  border: 1px solid #b8c8f0;
}

/* Row action buttons */
.rec-row-actions { display: flex; gap: 5px; align-items: center; }
.rec-row-btn {
  height: 26px; padding: 0 9px;
  font-family: var(--font); font-size: 11px; font-weight: 500;
  cursor: pointer; border-radius: var(--radius); border: none;
  display: inline-flex; align-items: center; gap: 4px;
  transition: background .12s, transform .1s;
  white-space: nowrap;
}
.rec-row-btn:hover { transform: translateY(-1px); }
.rec-row-btn:active { transform: none; }
.rec-row-btn-view   { background: var(--g-lite);  color: var(--g-mid);  border: 1px solid var(--g-border); }
.rec-row-btn-view:hover { background: var(--g-border); }
.rec-row-btn-load   { background: var(--p-lite); color: var(--p-mid); border: 1px solid var(--p-border); }
.rec-row-btn-load:hover { background: var(--p-border); color: var(--white); }
.rec-row-btn-edit   { background: #fff8ed; color: #9a6200; border: 1px solid #e8c47a; }
.rec-row-btn-edit:hover { background: #f5a623; color: #fff; border-color: #f5a623; }
.rec-row-btn-del    { background: #fdecea; color: var(--danger); border: 1px solid #f5c6c2; }
.rec-row-btn-del:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

/* Empty + loading states */
#records-empty {
  text-align: center; padding: 60px 20px;
  background: var(--white);
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  box-shadow: var(--shadow-sm);
}
.rec-empty-icon { font-size: 36px; margin-bottom: 10px; }
.rec-empty-title { font-size: 14px; font-weight: 600; color: var(--ink-2); margin-bottom: 6px; }
.rec-empty-sub { font-size: 12px; color: var(--muted); line-height: 1.6; }
#records-loading {
  display: flex; align-items: center; justify-content: center;
  gap: 10px; padding: 50px;
  background: var(--white); border-radius: var(--radius-md);
  border: 1px solid var(--line-soft); box-shadow: var(--shadow-sm);
  font-size: 13px; color: var(--muted);
}
.rec-loading-spinner {
  width: 20px; height: 20px;
  border: 2.5px solid var(--line);
  border-top-color: var(--p-mid);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* Footer info bar */
#records-footer {
  padding: 8px 20px 14px;
  font-size: 11px; color: var(--muted-2);
}

/* Detail modal */
#rec-detail-modal {
  display: none; position: fixed; inset: 0;
  background: rgba(0,0,0,.45); z-index: 1000;
  align-items: center; justify-content: center;
  backdrop-filter: blur(3px);
}
#rec-detail-modal.open { display: flex; }
#rec-detail-box {
  background: var(--white); width: 580px; max-width: 96vw;
  max-height: 88vh; overflow-y: auto;
  border-radius: var(--radius-md); box-shadow: var(--shadow-lg);
}
#rec-detail-content {
  padding: 16px 18px; font-size: 12px;
}
#rec-detail-content .detail-section {
  margin-bottom: 12px;
}
#rec-detail-content .detail-section-title {
  font-size: 10px; font-weight: 700; text-transform: uppercase;
  letter-spacing: .8px; color: var(--muted);
  padding: 6px 0 5px; border-bottom: 1px solid var(--line-soft);
  margin-bottom: 6px;
}
#rec-detail-content table { width: 100%; border-collapse: collapse; }
#rec-detail-content td {
  padding: 5px 10px; border-bottom: 1px solid var(--line-soft);
  vertical-align: top;
}
#rec-detail-content td:first-child {
  font-weight: 600; color: var(--muted); width: 42%;
  font-size: 11px; text-transform: uppercase; letter-spacing: .4px;
}

/* Batch print styles — active when printing multi-COA */
@media print {
  /* When batch print is active, show only the batch container */
  body.batch-print-mode #records-tab,
  body.batch-print-mode #toolbar,
  body.batch-print-mode #sel-bar,
  body.batch-print-mode #history-bar,
  body.batch-print-mode #settings-panel,
  body.batch-print-mode .page-wrap,
  body.batch-print-mode [data-no-print] { display: none !important; }

  body.batch-print-mode #batch-print-container {
    display: block !important;
  }
  body.batch-print-mode .bp-coa-page {
    page-break-after: always;
    width: 210mm;
    min-height: 297mm;
    background: #fff;
    padding: 20mm 15mm 10mm 15mm;
    box-sizing: border-box;
    display: flex;
    flex-direction: column;
  }
  body.batch-print-mode .bp-coa-page:last-child {
    page-break-after: auto;
  }

  /* Keep records tab hidden in regular print */
  #records-tab { display: none !important; }
  #rec-detail-modal { display: none !important; }
}