:root {
  --charcoal: #1d1c1a;
  --charcoal-2: #2a2926;
  --gold: #aa8d4d;
  --gold-deep: #846527;
  --gold-soft: #f3ecdc;
  --paper: #f6f5f1;
  --card: #ffffff;
  --ink: #22211f;
  --ink-2: #5d5a53;
  --line: #e2ded4;
  --ok: #2f6b4f;
  --ok-soft: #e6f0ea;
  --bad: #a23a2a;
  --bad-soft: #f8e8e4;
  --warn: #8a5a10;
  --warn-soft: #fff4d6;
  --radius: 10px;
  --serif: 'Playfair Display', Georgia, serif;
  --sans: 'Barlow', 'Helvetica Neue', Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; }
body { background: var(--paper); color: var(--ink); font: 15px/1.5 var(--sans); -webkit-font-smoothing: antialiased; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--gold-deep); }
.num { font-variant-numeric: tabular-nums; text-align: right; white-space: nowrap; }
:focus-visible { outline: 2px solid var(--gold); outline-offset: 2px; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); }

/* ------------------------------------------------ shell */
.shell { display: grid; grid-template-columns: 232px 1fr; min-height: 100vh; }
.rail { background: var(--charcoal); color: #e9e5da; display: flex; flex-direction: column; padding: 22px 16px; position: sticky; top: 0; height: 100vh; }
.rail .logo { display: block; width: 150px; margin: 0 auto 6px; }
.rail .product { font-family: var(--serif); text-align: center; font-size: 19px; color: #f3eee2; margin: 0 0 26px; letter-spacing: .01em; }
.rail nav { display: flex; flex-direction: column; gap: 2px; }
.rail nav button { all: unset; cursor: pointer; padding: 10px 12px; border-radius: 8px; color: #cfc9ba; font-weight: 500; display: flex; justify-content: space-between; align-items: center; }
.rail nav button:hover { background: var(--charcoal-2); color: #fff; }
.rail nav button[aria-current="page"] { background: var(--charcoal-2); color: #fff; box-shadow: inset 3px 0 0 var(--gold); }
.rail nav .count { font-size: 12px; color: var(--gold); }
.rail .foot { margin-top: auto; font-size: 13px; color: #9b9586; display: grid; gap: 8px; }
.rail .foot button { all: unset; cursor: pointer; color: #cfc9ba; }
.rail .foot button:hover { color: #fff; }
.engine-pill { display: inline-flex; gap: 6px; align-items: center; font-size: 12.5px; color: #cfc9ba; }
.engine-pill::before { content: ''; width: 7px; height: 7px; border-radius: 50%; background: var(--gold); }

main { padding: 34px clamp(16px, 4vw, 48px) 80px; max-width: 1360px; width: 100%; }
h1 { font-family: var(--serif); font-weight: 600; font-size: 34px; line-height: 1.15; margin: 0 0 6px; }
h2 { font-family: var(--serif); font-weight: 600; font-size: 22px; margin: 0 0 12px; }
h3 { font-size: 16px; font-weight: 600; margin: 0; }
.lede { color: var(--ink-2); margin: 0 0 26px; max-width: 70ch; }

/* ------------------------------------------------ controls */
.btn { display: inline-flex; align-items: center; gap: 8px; border: 1px solid var(--line); background: var(--card); padding: 9px 16px; border-radius: 8px; cursor: pointer; font-weight: 600; }
.btn:hover { border-color: #cbc5b6; }
.btn.primary { background: var(--charcoal); color: #fff; border-color: var(--charcoal); }
.btn.primary:hover { background: #000; }
.btn.gold { background: var(--gold); border-color: var(--gold); color: #1d1c1a; }
.btn.gold:hover { background: #b99b59; }
.btn.ghost { background: transparent; border-color: transparent; color: var(--gold-deep); padding-inline: 8px; }
.btn.danger { color: var(--bad); }
.btn:disabled { opacity: .5; cursor: not-allowed; }
.btn.small { padding: 5px 10px; font-size: 13.5px; }
input[type=text], input[type=password], input[type=search], input[type=number], select, textarea {
  border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; background: #fff; width: 100%;
}
input:focus, select:focus, textarea:focus { outline: 2px solid var(--gold); outline-offset: 0; border-color: var(--gold); }
label.field { display: grid; gap: 5px; font-weight: 500; font-size: 14px; }
label.field small { color: var(--ink-2); font-weight: 400; }
.row { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.panel { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 20px; }
.muted { color: var(--ink-2); }
.small { font-size: 13px; }

/* ------------------------------------------------ login */
.login { min-height: 100vh; display: grid; grid-template-columns: minmax(280px, 44%) 1fr; }
.login .brand { background: var(--charcoal); display: grid; place-items: center; padding: 40px; }
.login .brand img { width: min(320px, 70%); }
.login .brand p { font-family: var(--serif); color: #e9e2cf; font-size: 22px; text-align: center; margin: 22px 0 0; }
.login form { align-self: center; justify-self: center; width: min(380px, 88vw); display: grid; gap: 16px; }
.login .err { color: var(--bad); min-height: 1.4em; }

/* ------------------------------------------------ upload */
.drop { border: 1.5px dashed #c9b88f; background: #fbfaf6; border-radius: 14px; padding: 34px 24px; text-align: center; transition: background .15s, border-color .15s; cursor: pointer; }
.drop.over { background: var(--gold-soft); border-color: var(--gold); }
.drop strong { font-family: var(--serif); font-size: 23px; font-weight: 600; display: block; margin-bottom: 4px; }
.drop .types { color: var(--ink-2); font-size: 14px; }
.files { margin: 14px 0 0; padding: 0; list-style: none; display: grid; gap: 6px; }
.files li { display: flex; gap: 10px; align-items: center; background: #fff; border: 1px solid var(--line); border-radius: 8px; padding: 7px 10px; }
.files li .name { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.setup { display: grid; grid-template-columns: 1fr 260px auto; gap: 14px; align-items: end; margin-top: 18px; }

/* ------------------------------------------------ progress */
.jobs { display: grid; gap: 10px; margin-top: 22px; }
.job { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); padding: 14px 16px; display: grid; grid-template-columns: 26px 1fr auto; gap: 12px; align-items: center; }
.job .stage { font-weight: 600; }
.job .detail { color: var(--ink-2); font-size: 13.5px; overflow-wrap: anywhere; }
.job .state { width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); }
.job.running .state { border-color: var(--gold); border-top-color: transparent; animation: spin 0.9s linear infinite; }
.job.done .state { background: var(--ok); border-color: var(--ok); position: relative; }
.job.done .state::after { content: ''; position: absolute; left: 6px; top: 2px; width: 5px; height: 10px; border: solid #fff; border-width: 0 2px 2px 0; transform: rotate(45deg); }
.job.warn .state { background: var(--warn); border-color: var(--warn); }
.job.failed .state { background: var(--bad); border-color: var(--bad); }
@keyframes spin { to { transform: rotate(360deg); } }
@media (prefers-reduced-motion: reduce) { .job.running .state { animation: none; border-top-color: var(--gold); } }

/* ------------------------------------------------ results */
.summary { display: flex; flex-wrap: wrap; gap: 28px; align-items: baseline; margin: 34px 0 16px; padding-bottom: 16px; border-bottom: 1px solid var(--line); }
.summary .fig { display: grid; }
.summary .fig b { font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.summary .fig span { color: var(--ink-2); font-size: 13.5px; }
.summary .actions { margin-left: auto; display: flex; gap: 10px; flex-wrap: wrap; }

.inv { background: #fff; border: 1px solid var(--line); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; }
.inv > header { display: grid; grid-template-columns: 1fr auto; gap: 8px 18px; padding: 16px 18px 12px; cursor: pointer; }
.inv > header .who { font-family: var(--serif); font-size: 20px; font-weight: 600; }
.inv > header .meta { color: var(--ink-2); font-size: 14px; }
.chip { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; font-weight: 600; padding: 3px 10px; border-radius: 999px; white-space: nowrap; }
.chip.ok { background: var(--ok-soft); color: var(--ok); }
.chip.bad { background: var(--bad-soft); color: var(--bad); }
.chip.warn { background: var(--warn-soft); color: var(--warn); }
.chip.plain { background: #f0eee8; color: var(--ink-2); }

/* the tie-out strip: printed vs calculated */
.tieout { display: grid; grid-template-columns: repeat(5, minmax(0, 1fr)); border-top: 1px solid var(--line); background: #fcfbf8; }
.tieout div { padding: 10px 18px; border-right: 1px solid var(--line); }
.tieout div:last-child { border-right: 0; }
.tieout dt { font-size: 12.5px; color: var(--ink-2); }
.tieout dd { margin: 2px 0 0; font-variant-numeric: tabular-nums; font-weight: 600; display: flex; gap: 6px; align-items: baseline; }
.tieout dd .tick { color: var(--gold-deep); font-weight: 700; }
.tieout dd .miss { color: var(--bad); font-size: 12.5px; font-weight: 600; }
.tieout dd .calc { color: var(--ink-2); font-weight: 400; font-size: 12.5px; }

.issues { margin: 0; padding: 12px 18px 12px 36px; background: var(--bad-soft); color: #6d2318; border-top: 1px solid #efd3cc; font-size: 14px; }
.warnings { margin: 0; padding: 10px 18px 10px 36px; background: var(--warn-soft); color: #5e3f0b; border-top: 1px solid #f0e2b8; font-size: 14px; }
.inv .body { border-top: 1px solid var(--line); }
.inv .tools { display: flex; gap: 8px; padding: 10px 18px; border-top: 1px solid var(--line); flex-wrap: wrap; align-items: center; }

table.grid { width: 100%; border-collapse: collapse; font-size: 13.5px; }
table.grid th { text-align: left; font-weight: 600; color: var(--ink-2); padding: 8px 10px; border-bottom: 1px solid var(--line); background: #faf9f6; position: sticky; top: 0; }
table.grid td { padding: 6px 10px; border-bottom: 1px solid #efece5; vertical-align: top; }
table.grid tr:last-child td { border-bottom: 0; }
table.grid td.desc { font-family: ui-monospace, 'SF Mono', Menlo, monospace; font-size: 12.5px; color: #4a473f; }
table.grid input { padding: 4px 6px; border-color: transparent; background: transparent; border-radius: 6px; min-width: 90px; }
table.grid input.w-name { min-width: 300px; }
table.grid input.w-brand { min-width: 130px; }
table.grid input.w-cat { min-width: 150px; }
table.grid input.w-size { min-width: 80px; width: 90px; }
table.grid input:hover { border-color: var(--line); }
table.grid input:focus { background: #fff; }
table.grid tr.flag td { background: #fdf3f0; }
.conf { font-size: 12px; font-weight: 600; padding: 2px 8px; border-radius: 999px; }
.conf.High { background: var(--ok-soft); color: var(--ok); }
.conf.Medium { background: var(--warn-soft); color: var(--warn); }
.conf.Low { background: var(--bad-soft); color: var(--bad); }
.scroll { overflow-x: auto; }
.thumbs { display: flex; gap: 8px; padding: 12px 18px; overflow-x: auto; border-top: 1px solid var(--line); background: #faf9f6; }
.thumbs img { height: 150px; border: 1px solid var(--line); border-radius: 4px; cursor: zoom-in; background: #fff; }
dialog.viewer { border: 0; padding: 0; max-width: 96vw; max-height: 94vh; border-radius: 8px; }
dialog.viewer img { display: block; max-width: 96vw; max-height: 94vh; }
dialog::backdrop { background: rgba(20, 19, 17, .7); }

/* ------------------------------------------------ lists (history / KB) */
.toolbar { display: flex; gap: 10px; align-items: center; margin-bottom: 14px; flex-wrap: wrap; }
.toolbar input[type=search] { max-width: 360px; }
.empty { padding: 40px 20px; text-align: center; color: var(--ink-2); }
.tabs { display: flex; gap: 4px; margin-bottom: 16px; border-bottom: 1px solid var(--line); }
.tabs button { all: unset; cursor: pointer; padding: 8px 14px; color: var(--ink-2); font-weight: 600; border-bottom: 2px solid transparent; margin-bottom: -1px; }
.tabs button[aria-selected="true"] { color: var(--ink); border-color: var(--gold); }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%); background: var(--charcoal); color: #fff; padding: 10px 18px; border-radius: 8px; z-index: 50; box-shadow: 0 6px 24px rgba(0,0,0,.18); }
.settings { display: grid; gap: 18px; max-width: 640px; }
details.log summary { cursor: pointer; color: var(--ink-2); font-size: 13px; }
details.log pre { white-space: pre-wrap; font-size: 12px; background: #faf9f6; padding: 10px; border-radius: 6px; max-height: 240px; overflow: auto; }

@media (max-width: 860px) {
  .shell { grid-template-columns: 1fr; }
  .rail { position: static; height: auto; flex-direction: row; align-items: center; padding: 10px 14px; gap: 12px; flex-wrap: wrap; }
  .rail .logo { width: 70px; margin: 0; }
  .rail .product { display: none; }
  .rail nav { flex-direction: row; flex-wrap: wrap; }
  .rail .foot { margin: 0 0 0 auto; display: flex; }
  .rail .foot .engine-pill { display: none; }
  .setup { grid-template-columns: 1fr; }
  .tieout { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .login { grid-template-columns: 1fr; }
  .login .brand { padding: 30px; }
  h1 { font-size: 28px; }
}