/* Titus Product Screen — dark, large type (18 px floor for reading text), big targets (>= 48 px),
   one accent. System fonts only. Contrast: text pairs >= 4.5:1, control edges >= 3:1 (--edge). */
:root {
  --bg: #1c1b1a;        /* near-black, warm (not #000) */
  --bg-2: #242322;      /* panels */
  --bg-3: #2f2d2b;      /* buttons */
  --bg-4: #3a3835;      /* hover */
  --line: #4a4844;      /* decorative separators */
  --edge: #75726c;      /* input / button borders: 3.27:1 on panels, 3.59:1 on the page */
  --row: #3a3835;       /* table row separators */
  --fg: #ecebe6;        /* off-white (not #fff) */
  --fg-2: #aaa79f;      /* muted */
  --accent: #d97757;    /* the one accent: focus / active / keyboard highlight */
  --accent-2: #f0a080;
  --danger: #e07a6a;
  --radius: 8px;
  --font: -apple-system, "Segoe UI", Roboto, Ubuntu, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
  --mono: ui-monospace, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 18px/1.4 var(--font); -webkit-font-smoothing: antialiased; }
a { color: var(--fg); text-decoration: none; }
a:hover { color: var(--accent-2); }
h1 { font-size: 28px; margin: 0 0 12px; font-weight: 600; }
h2 { font-size: 16px; margin: 0; font-weight: 600; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-2); }
.muted { color: var(--fg-2); }
.small { font-size: 15px; }
.big { font-size: 20px; }
.mono { font-family: var(--mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; text-align: right; }
.pad { padding: 10px 12px; }
.error { color: var(--danger); font-weight: 600; }
.inline { display: inline; }
[hidden] { display: none !important; }
:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ---- banners ---- */
.warn, .info { margin: 0 0 12px; padding: 12px 18px; border-radius: var(--radius); font-size: 20px; line-height: 1.35; }
.warn { background: var(--bg-2); color: var(--danger); border: 2px solid var(--danger); font-weight: 600; }
.info { background: var(--bg-2); color: var(--fg); border: 1px solid var(--accent); }

/* ---- buttons: every target >= 48 px tall ---- */
.btn { display: inline-flex; align-items: center; justify-content: center; min-height: 48px; min-width: 64px; padding: 0 18px;
       border: 1px solid var(--edge); border-radius: var(--radius); background: var(--bg-3); color: var(--fg); font: inherit;
       font-size: 18px; font-weight: 600; cursor: pointer; user-select: none; white-space: nowrap; }
.btn:hover { background: var(--bg-4); color: var(--fg); }
.btn:active { transform: translateY(1px); }
.btn.big { min-height: 56px; min-width: 112px; font-size: 22px; }
.btn.small { min-height: 48px; min-width: 0; padding: 0 16px; font-size: 16px; font-weight: 500; }
.btn.ghost { background: transparent; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #1c1b1a; }
.btn.primary:hover { background: var(--accent-2); border-color: var(--accent-2); color: #1c1b1a; }
.btn.accent { border-color: var(--accent); color: var(--accent-2); }
.btn.wide { width: 100%; }
.btn.disabled { opacity: .35; cursor: default; pointer-events: none; }

/* ---- inputs: a darker well with a visible edge ---- */
input, select { font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--edge); border-radius: var(--radius);
                min-height: 48px; padding: 0 12px; font-size: 20px; }
input.short { width: 7ch; }
input::placeholder { color: var(--fg-2); opacity: 1; }
.field { display: flex; flex-direction: column; gap: 6px; margin: 0 0 16px; }
.field > span { font-size: 16px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-2); }
.check { display: flex; align-items: center; gap: 12px; min-height: 48px; font-size: 18px; }
.check input { min-height: 0; width: 28px; height: 28px; accent-color: var(--accent); }
fieldset { border: 1px solid var(--line); border-radius: var(--radius); padding: 6px 14px 10px; margin: 0; }
legend { font-size: 16px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-2); padding: 0 6px; }

/* ---- header bar ---- */
.bar { display: flex; align-items: center; gap: 16px; min-height: 64px; padding: 0 16px; background: var(--bg-2); border-bottom: 1px solid var(--line); }
.brand { font-weight: 800; letter-spacing: .18em; font-size: 18px; color: var(--accent-2); }
.jump { display: flex; gap: 8px; }
.jump input { width: 16em; max-width: 40vw; font-family: var(--mono); }
.setline { flex: 1; min-width: 0; display: flex; gap: 12px; align-items: center; color: var(--fg-2); font-size: 16px; }
.settext { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.who { display: flex; align-items: center; gap: 12px; margin-left: auto; }
.whoname { color: var(--fg-2); font-size: 16px; }

/* ---- centred panels (login, messages) ---- */
main.center { display: flex; justify-content: center; align-items: flex-start; padding: 6vh 16px; }
.panel { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 28px; width: 100%; }
.panel.narrow { max-width: 440px; }
.brandbig { letter-spacing: .3em; color: var(--accent-2); text-align: center; font-size: 34px; }
.links { display: flex; gap: 12px; flex-wrap: wrap; }
.actions { display: flex; gap: 12px; margin: 18px 0 10px; }

/* ---- the card ---- */
main { padding: 12px 16px 8px; }
.card { display: grid; gap: 12px 16px; margin: 0;
        grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(280px, 340px);
        grid-template-areas: "identity identity identity identity" "facts facts facts image" "sales purchases monthly image"; }
.identity { grid-area: identity; display: grid; grid-template-columns: auto 1fr; grid-template-areas: "code nav" "desc desc"; gap: 6px 28px; align-items: end; }
.code-block { grid-area: code; }
.label { font-size: 16px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-2); display: block; }
.label small { text-transform: none; letter-spacing: 0; font-size: 16px; margin-left: 6px; }
.tag { display: inline-block; background: var(--danger); color: #1c1b1a; border-radius: 4px; padding: 0 6px; font-size: 14px; letter-spacing: 0; margin-left: 8px; }
.code { font-family: var(--mono); font-size: 72px; line-height: 1; font-weight: 700; letter-spacing: .02em; color: var(--fg); margin: 2px 0 0; font-variant-numeric: tabular-nums; }
.pos { color: var(--fg-2); font-size: 18px; margin-top: 4px; font-variant-numeric: tabular-nums; }
.updown { grid-area: nav; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; padding-bottom: 6px; }
.drop { display: flex; align-items: center; gap: 12px; margin-left: auto; color: var(--fg-2); padding: 4px 8px; border: 1px solid transparent; border-radius: var(--radius); }
.drop.on { border-color: var(--accent); color: var(--accent-2); }
.drop label { display: flex; align-items: center; gap: 8px; font-size: 16px; text-transform: uppercase; letter-spacing: .06em; }
.drop .onmark { text-transform: none; letter-spacing: 0; font-weight: 600; }
.drop input { width: 5ch; text-align: right; }
.desc { grid-area: desc; font-size: 32px; font-weight: 600; line-height: 1.15; overflow-wrap: anywhere; }

.facts { grid-area: facts; display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; padding: 12px 18px; align-content: start; }
.facts-col { margin: 0; }
.fact { display: grid; grid-template-columns: 11em 1fr; align-items: baseline; gap: 12px; min-height: 48px; border-bottom: 1px solid var(--line); }
.facts-col .fact:last-child { border-bottom: 0; }
.fact dt { font-size: 16px; text-transform: uppercase; letter-spacing: .08em; color: var(--fg-2); }
.fact dt small { text-transform: none; letter-spacing: 0; font-size: 16px; margin-left: 6px; }
.fact dd { margin: 0; font-size: 26px; font-weight: 600; font-variant-numeric: tabular-nums; }
.fact dd .btn { vertical-align: middle; margin-left: 8px; }
.fact dd.num { text-align: left; }
.fact dd.cat { font-size: 20px; font-weight: 500; }
.fact dd.zero { color: var(--danger); }
.fact dd.stale { color: var(--fg-2); text-decoration: underline dotted; }
.chips { display: flex; flex-wrap: wrap; gap: 6px; padding: 8px 0 4px; }
.chip { font-size: 15px; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--edge); color: var(--fg-2); }
.chip.pos { border-color: var(--accent); color: var(--accent-2); }
.vendors { grid-column: 1 / -1; border-top: 1px solid var(--line); padding-top: 8px; }

.image { grid-area: image; display: flex; flex-direction: column; gap: 8px; min-height: 0; }
.image img, .placeholder { width: 100%; aspect-ratio: 1 / 1; object-fit: contain; background: #f4f2ee; border-radius: 12px; }
.placeholder { display: flex; align-items: center; justify-content: center; background: var(--bg-2); border: 1px dashed var(--edge); color: var(--fg-2); font-size: 18px; text-align: center; padding: 16px; }
.note { text-align: center; margin: 0; }

/* ---- portals (scrollable histories) ---- */
.portal { background: var(--bg-2); border: 1px solid var(--line); border-radius: 12px; display: flex; flex-direction: column; min-height: 0; min-width: 0; }
.portal:nth-of-type(1) { grid-area: sales; } .portal:nth-of-type(2) { grid-area: purchases; } .portal:nth-of-type(3) { grid-area: monthly; }
.portal.dim { opacity: .55; }
.portal-head { display: flex; align-items: center; justify-content: space-between; padding: 8px 12px; border-bottom: 1px solid var(--line); min-height: 56px; gap: 8px; }
.portal-head .count { color: var(--fg); margin-left: 6px; font-weight: 700; }
.portal-body { overflow: auto; max-height: calc(100vh - 480px); min-height: 160px; }
table { border-collapse: collapse; width: 100%; font-size: 18px; }
th { position: sticky; top: 0; background: var(--bg-2); text-align: left; font-weight: 500; font-size: 14px; text-transform: uppercase; letter-spacing: .06em; color: var(--fg-2); padding: 6px 10px; border-bottom: 1px solid var(--line); }
td { padding: 7px 10px; border-bottom: 1px solid var(--row); white-space: nowrap; }
td.wrap { white-space: normal; max-width: 12ch; overflow-wrap: anywhere; font-size: 16px; }
td.chan, th.chan { text-align: center; color: var(--fg-2); }
tbody tr:nth-child(1) td { color: var(--fg); font-weight: 600; }
tbody tr:hover td { background: var(--bg-3); }
.trunc { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.foot { padding: 6px 4px 0; }

/* ---- Find mode: the card's own fields become inputs ---- */
.findmode .code-input { font-family: var(--mono); font-size: 56px; line-height: 1; font-weight: 700; width: 9ch; max-width: 100%;
                        min-height: 72px; padding: 0 12px; font-variant-numeric: tabular-nums; }
.findmode .desc .field { margin: 0; }
.findmode .desc input { width: 100%; font-size: 26px; min-height: 56px; }
.fact.input { align-items: center; padding: 6px 0; }
.fact.input dd { font-size: 20px; font-weight: 500; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; }
.fact.input dd input { flex: 1 1 14em; min-width: 0; }
.fact.input dd .btn { margin: 0; }
.findmode .sets { margin-top: 6px; }
.findhint { aspect-ratio: auto; min-height: 200px; }

/* ---- responsive: 1366 px laptop / 10" tablet ---- */
@media (max-width: 1500px) {
  .card { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(0, 1fr) minmax(240px, 280px); }
}
@media (max-width: 1180px) {
  .card { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); grid-template-areas: "identity identity" "facts image" "sales purchases" "monthly monthly"; }
  .code { font-size: 60px; }
  .desc { font-size: 26px; }
  .portal-body { max-height: 360px; }
}
@media (max-width: 800px) {
  .bar { flex-wrap: wrap; height: auto; padding: 8px; gap: 8px; }
  .setline { order: 3; flex-basis: 100%; }
  .card { grid-template-columns: 1fr; grid-template-areas: "identity" "facts" "image" "sales" "purchases" "monthly"; }
  .identity { grid-template-columns: 1fr; grid-template-areas: "code" "nav" "desc"; }
  .facts { grid-template-columns: 1fr; }
  .fact { grid-template-columns: 1fr; gap: 2px; padding: 6px 0; }
  .code { font-size: 52px; }
  .findmode .code-input { font-size: 44px; }
  .drop { margin-left: 0; }
}