/* Layout: a working shop counter. Seat switcher across the top, the seat's screen in the middle,
   a live wire of alerts on the right (stacks below on phones). The sticker is the one physical
   object on screen: a white thermal label in both themes. Ledger-blue ink marks every action. */
:root {
  --paper: #F1F4EF; --surface: #FFFFFF; --sunk: #E7ECE5; --ink: #17201A; --muted: #56645A; --rule: #D2DBD1;
  --accent: #2343C0; --accent-ink: #FFFFFF; --accent-soft: #E3E8FF;
  --good: #1B7041; --good-soft: #DDF1E4; --warn: #8F5200; --warn-soft: #FBEBD3; --bad: #B12318; --bad-soft: #FAE2DF;
  --label: #FFFFFF; --label-ink: #121412; --label-edge: #C9CFC6; --shadow: 0 1px 0 rgba(23,32,26,.06), 0 2px 8px rgba(23,32,26,.06); --bezel: #1B231D;
  --f-display: 'Archivo', 'Arial Narrow', system-ui, sans-serif;
  --f-body: 'Atkinson Hyperlegible', system-ui, -apple-system, 'Segoe UI', sans-serif;
  --f-mono: 'IBM Plex Mono', ui-monospace, 'SFMono-Regular', Menlo, Consolas, monospace;
  --r: 10px; --r-sm: 6px;
  --t-xs: .75rem; --t-sm: .875rem; --t-md: 1rem; --t-lg: 1.25rem; --t-xl: 1.75rem;
}
@media (prefers-color-scheme: dark) { :root:not([data-theme="light"]) {
  --paper: #0F1410; --surface: #172019; --sunk: #0B100C; --ink: #E3EAE3; --muted: #9AAA9E; --rule: #2A352C;
  --accent: #94A9FF; --accent-ink: #0D1330; --accent-soft: #1D2649;
  --good: #64D296; --good-soft: #13321F; --warn: #F0B55A; --warn-soft: #382811; --bad: #FF8C80; --bad-soft: #3B1714;
  --label: #F6F7F2; --label-ink: #121412; --label-edge: #3A463C; --shadow: 0 1px 0 rgba(0,0,0,.3), 0 2px 10px rgba(0,0,0,.35); --bezel: #2F3A31;
  color-scheme: dark; } }
:root[data-theme="dark"] {
  --paper: #0F1410; --surface: #172019; --sunk: #0B100C; --ink: #E3EAE3; --muted: #9AAA9E; --rule: #2A352C;
  --accent: #94A9FF; --accent-ink: #0D1330; --accent-soft: #1D2649;
  --good: #64D296; --good-soft: #13321F; --warn: #F0B55A; --warn-soft: #382811; --bad: #FF8C80; --bad-soft: #3B1714;
  --label: #F6F7F2; --label-ink: #121412; --label-edge: #3A463C; --shadow: 0 1px 0 rgba(0,0,0,.3), 0 2px 10px rgba(0,0,0,.35); --bezel: #2F3A31;
  color-scheme: dark; }

* { box-sizing: border-box; }
body { background: var(--paper); color: var(--ink); font-family: var(--f-body); font-size: var(--t-md); line-height: 1.5;
  padding-left: max(16px, env(safe-area-inset-left, 0px)); padding-right: max(16px, env(safe-area-inset-right, 0px)); padding-block: 0 48px; }
h1, h2, h3 { font-family: var(--f-display); font-stretch: 88%; letter-spacing: -0.01em; line-height: 1.15; margin: 0; text-wrap: balance; }
h1 { font-size: var(--t-lg); font-weight: 750; }
h2 { font-size: var(--t-lg); font-weight: 700; }
h3 { font-size: var(--t-md); font-weight: 700; }
p { margin: 0; }
button, input, select, textarea { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mono { font-family: var(--f-mono); font-variant-numeric: tabular-nums; }
.num { font-variant-numeric: tabular-nums; }
.muted { color: var(--muted); }
.small { font-size: var(--t-sm); }
.xs { font-size: var(--t-xs); }
.eyebrow { font-family: var(--f-display); font-size: var(--t-xs); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.stack { display: grid; gap: 12px; min-width: 0; }
.spread { display: flex; gap: 12px; align-items: center; justify-content: space-between; flex-wrap: wrap; }

/* ---------- top bar ---------- */
.top { position: sticky; top: env(safe-area-inset-top, 0px); z-index: 5; background: var(--paper); padding-block: 12px 10px; border-bottom: 1px solid var(--rule); }
body::before { content: ""; position: fixed; inset: 0 0 auto; height: env(safe-area-inset-top, 0px); z-index: 10; background: var(--paper); }
.brand { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.brand .tag { font-size: var(--t-xs); color: var(--muted); border: 1px solid var(--rule); border-radius: 999px; padding: 1px 8px; }
.seats { display: grid; grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 6px; margin-top: 10px; }
.seat { text-align: left; border: 1px solid var(--rule); background: var(--surface); border-radius: var(--r-sm); padding: 7px 10px; cursor: pointer; min-width: 0; }
.seat b { display: block; font-family: var(--f-display); font-stretch: 90%; font-size: var(--t-sm); }
.seat span { display: block; font-size: var(--t-xs); color: var(--muted); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.seat .count { display: inline-block; width: auto; color: var(--warn); }
.seat[aria-pressed="true"] { border-color: var(--accent); background: var(--accent-soft); box-shadow: inset 0 -3px 0 var(--accent); }
@media (max-width: 760px) { .seats { grid-template-columns: repeat(3, minmax(0, 1fr)); } }

/* ---------- page grid ---------- */
.wrap { max-width: 1240px; margin: 0 auto; }
.page { display: grid; grid-template-columns: minmax(0, 1fr) 300px; gap: 20px; margin-top: 16px; align-items: start; }
.page.solo { grid-template-columns: minmax(0, 1fr); }
@media (max-width: 980px) { .page { grid-template-columns: minmax(0, 1fr); } }
.panel { background: var(--surface); border: 1px solid var(--rule); border-radius: var(--r); padding: 16px; min-width: 0; }
.panel.flat { background: transparent; border: none; padding: 0; }
.sect { display: grid; gap: 14px; min-width: 0; }

/* ---------- tour ---------- */
.tour { border: 1px dashed var(--rule); border-radius: var(--r); padding: 12px 14px; background: var(--surface); }
.tour summary { cursor: pointer; font-family: var(--f-display); font-weight: 700; font-stretch: 90%; }
.tour ol { margin: 10px 0 0; padding-left: 22px; display: grid; gap: 6px; }
.tour li button { margin-left: 6px; }

/* ---------- buttons, inputs ---------- */
.btn { border: 1px solid var(--accent); background: var(--accent); color: var(--accent-ink); border-radius: var(--r-sm); padding: 7px 12px; cursor: pointer; font-weight: 700; line-height: 1.2; }
.btn.ghost { background: transparent; color: var(--accent); }
.btn.quiet { background: var(--sunk); color: var(--ink); border-color: var(--rule); font-weight: 400; }
.btn.danger { background: transparent; color: var(--bad); border-color: var(--bad); }
.btn.big { padding: 14px 18px; font-size: var(--t-lg); border-radius: var(--r); }
.btn:disabled { opacity: .45; cursor: not-allowed; }
.chip { border: 1px solid var(--rule); background: var(--sunk); border-radius: 999px; padding: 4px 10px; font-size: var(--t-sm); cursor: pointer; text-align: left; }
.chip:hover { border-color: var(--accent); }
.field { display: grid; gap: 4px; min-width: 0; }
.field label { font-size: var(--t-sm); color: var(--muted); }
.input, select.input, textarea.input { width: 100%; border: 1px solid var(--rule); background: var(--paper); border-radius: var(--r-sm); padding: 8px 10px; min-width: 0; }
.input:focus { border-color: var(--accent); outline: none; box-shadow: 0 0 0 3px var(--accent-soft); }
.seg { display: inline-flex; border: 1px solid var(--rule); border-radius: var(--r-sm); overflow: hidden; flex-wrap: wrap; }
.seg button { border: none; background: var(--surface); padding: 6px 12px; cursor: pointer; font-size: var(--t-sm); border-right: 1px solid var(--rule); }
.seg button:last-child { border-right: none; }
.seg button[aria-pressed="true"] { background: var(--ink); color: var(--paper); font-weight: 700; }
.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--rule); flex-wrap: wrap; }
.tabs button { border: none; background: none; padding: 8px 12px; cursor: pointer; border-bottom: 3px solid transparent; margin-bottom: -1px; color: var(--muted); font-weight: 700; }
.tabs button[aria-pressed="true"] { color: var(--ink); border-bottom-color: var(--accent); }
.count { display: inline-block; min-width: 20px; padding: 0 6px; border-radius: 999px; background: var(--warn-soft); color: var(--warn); font-size: var(--t-xs); text-align: center; }

/* ---------- pills / state ---------- */
.pill { display: inline-flex; align-items: center; gap: 4px; border-radius: 999px; padding: 1px 8px; font-size: var(--t-xs); font-weight: 700; white-space: nowrap; }
.pill.good { background: var(--good-soft); color: var(--good); }
.pill.warn { background: var(--warn-soft); color: var(--warn); }
.pill.bad { background: var(--bad-soft); color: var(--bad); }
.pill.info { background: var(--accent-soft); color: var(--accent); }
.pill.plain { background: var(--sunk); color: var(--muted); }
.note { border-left: 3px solid var(--accent); background: var(--accent-soft); padding: 8px 12px; border-radius: 0 var(--r-sm) var(--r-sm) 0; font-size: var(--t-sm); }
.note.warn { border-color: var(--warn); background: var(--warn-soft); }
.note.bad { border-color: var(--bad); background: var(--bad-soft); }
.note.good { border-color: var(--good); background: var(--good-soft); }

/* ---------- assistant ---------- */
.assist { border: 1px solid var(--accent); border-radius: var(--r); padding: 12px; background: linear-gradient(var(--accent-soft), var(--accent-soft)) top / 100% 3px no-repeat, var(--surface); display: grid; gap: 10px; }
.assist form { display: flex; gap: 8px; flex-wrap: nowrap; }
.assist form .input { flex: 1 1 auto; width: auto; }
.assist .input { font-size: var(--t-md); }
.card-confirm { border: 2px solid var(--ink); border-radius: var(--r); padding: 12px 14px; background: var(--paper); display: grid; gap: 8px; }
.card-confirm ol { margin: 0; padding-left: 22px; display: grid; gap: 4px; }
.card-confirm .src { font-size: var(--t-xs); color: var(--muted); }

/* ---------- tables ---------- */
.tbl-wrap { overflow-x: auto; border: 1px solid var(--rule); border-radius: var(--r-sm); background: var(--surface); }
table { border-collapse: collapse; width: 100%; font-size: var(--t-sm); }
th, td { padding: 8px 10px; border-bottom: 1px solid var(--rule); text-align: left; vertical-align: top; white-space: nowrap; }
th { font-family: var(--f-display); font-stretch: 90%; font-weight: 700; color: var(--muted); background: var(--sunk); font-size: var(--t-xs); text-transform: uppercase; letter-spacing: .05em; }
td.n, th.n { text-align: right; font-variant-numeric: tabular-nums; font-family: var(--f-mono); }
tr.total td { font-weight: 700; border-top: 2px solid var(--ink); border-bottom: none; }
td .zero { color: var(--rule); }
tr:last-child td { border-bottom: none; }

/* ---------- the sticker (white thermal label, both themes) ---------- */
.sheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(150px, 1fr)); gap: 10px; }
.sticker { position: relative; display: grid; grid-template-columns: 54px minmax(0, 1fr); grid-template-rows: auto auto 1fr; column-gap: 8px; text-align: left;
  background: var(--label); color: var(--label-ink); border: 1px solid var(--label-edge); border-radius: 4px; padding: 7px; cursor: pointer; box-shadow: var(--shadow); min-width: 0; }
.sticker:hover { outline: 2px solid var(--accent); outline-offset: 1px; }
.sticker .qr { grid-row: 1 / span 3; width: 54px; height: 54px; display: block; }
.sticker .qr svg { width: 100%; height: 100%; display: block; }
.sticker .s-title { font-family: var(--f-display); font-stretch: 85%; font-weight: 700; font-size: .78rem; line-height: 1.1; overflow: hidden; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow-wrap: anywhere; }
.sticker .s-suffix { font-family: var(--f-mono); font-weight: 600; font-size: 1.05rem; letter-spacing: .04em; line-height: 1.1; }
.sticker .s-meta { font-family: var(--f-mono); font-size: .62rem; color: #4A524B; align-self: end; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sticker .stamp { position: absolute; right: 6px; top: 6px; font-family: var(--f-display); font-size: .62rem; font-weight: 800; letter-spacing: .06em; text-transform: uppercase; padding: 1px 5px; border-radius: 3px; border: 1.5px solid currentColor; transform: rotate(-4deg); }
.sticker.draft { opacity: .72; border-style: dashed; }
.sticker.draft .stamp { color: #8F5200; }
.sticker.sold .stamp { color: #B12318; }
.sticker.sold, .sticker.empty { filter: grayscale(.6); }
.cap { font-size: var(--t-xs); color: var(--muted); margin-top: 4px; }
.spot { display: grid; gap: 4px; min-width: 0; }

/* ---------- phone frame ---------- */
.phone { width: min(380px, 100%); margin: 0 auto; border: 10px solid var(--bezel); border-radius: 34px; background: var(--paper); overflow: hidden; box-shadow: var(--shadow); }
.phone .bar { display: flex; justify-content: space-between; padding: 6px 16px 2px; font-size: var(--t-xs); font-family: var(--f-mono); }
.phone .addr { margin: 4px 10px 8px; background: var(--sunk); border-radius: 999px; padding: 4px 12px; font-family: var(--f-mono); font-size: .7rem; color: var(--muted); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.phone .screen { padding: 12px 16px 18px; display: grid; gap: 12px; min-height: 460px; align-content: start; }
.shop-head { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.verified { color: var(--good); font-size: var(--t-xs); font-weight: 700; }
.bigprice { font-family: var(--f-display); font-size: var(--t-xl); font-weight: 800; font-variant-numeric: tabular-nums; }
.line-item { display: flex; justify-content: space-between; gap: 10px; padding: 6px 0; border-bottom: 1px dashed var(--rule); font-size: var(--t-sm); }
.line-item:last-child { border-bottom: none; }
.stop { border-radius: var(--r); padding: 16px; display: grid; gap: 6px; text-align: center; }
.stop.bad { background: var(--bad-soft); color: var(--bad); }
.stop.warn { background: var(--warn-soft); color: var(--warn); }
.stop.info { background: var(--accent-soft); color: var(--accent); }
.stop.good { background: var(--good-soft); color: var(--good); }
.stop h3 { font-size: var(--t-lg); }
.stop p { color: var(--ink); }

/* ---------- kiosk ---------- */
.kiosk { display: grid; grid-template-columns: minmax(0, 1.2fr) minmax(0, 1fr); gap: 16px; }
@media (max-width: 760px) { .kiosk { grid-template-columns: minmax(0, 1fr); } }
.kiosk .scan .input { font-size: var(--t-lg); padding: 12px 14px; font-family: var(--f-mono); }
.offline-banner { background: var(--warn); color: var(--surface); border-radius: var(--r-sm); padding: 8px 12px; font-weight: 700; }

/* ---------- live rail ---------- */
.rail { position: sticky; top: calc(env(safe-area-inset-top, 0px) + 140px); display: grid; gap: 10px; }
@media (max-width: 980px) { .rail { position: static; } }
.alert { border-left: 3px solid var(--good); background: var(--surface); border-radius: 0 var(--r-sm) var(--r-sm) 0; padding: 8px 10px; font-size: var(--t-sm); display: grid; gap: 4px; border-top: 1px solid var(--rule); border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.alert.fresh { animation: slide .5s ease-out; }
.alert .to { display: flex; gap: 4px; flex-wrap: wrap; }
@keyframes slide { from { transform: translateX(10px); background: var(--good-soft); } to { transform: none; } }
@media (prefers-reduced-motion: reduce) { .alert.fresh { animation: none; } }

/* ---------- ledger ---------- */
.ev { display: grid; grid-template-columns: 52px 72px minmax(0, 1fr); gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--rule); font-size: var(--t-sm); }
.ev .t { font-family: var(--f-mono); font-size: var(--t-xs); color: var(--muted); }
.ev .what { min-width: 0; overflow-wrap: anywhere; }
@media (max-width: 520px) { .ev { grid-template-columns: 40px minmax(0, 1fr); } .ev .t.time { display: none; } }
.check { display: grid; grid-template-columns: 22px minmax(0, 1fr); gap: 8px; padding: 6px 0; border-bottom: 1px solid var(--rule); font-size: var(--t-sm); }
.check .mark { font-weight: 800; }
.check.ok .mark { color: var(--good); }
.check.fail .mark { color: var(--bad); }

.toast { position: fixed; left: 50%; bottom: calc(16px + env(safe-area-inset-bottom, 0px)); transform: translateX(-50%); background: var(--ink); color: var(--paper); padding: 10px 16px; border-radius: var(--r); z-index: 20; max-width: min(520px, calc(100vw - 32px)); font-size: var(--t-sm); box-shadow: var(--shadow); }
.kv { display: grid; grid-template-columns: auto 1fr; gap: 4px 12px; font-size: var(--t-sm); }
.kv dt { color: var(--muted); }
.kv dd { margin: 0; }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(140px, 1fr)); gap: 8px; }
.tile { background: var(--sunk); border-radius: var(--r-sm); padding: 10px 12px; }
.tile b { display: block; font-family: var(--f-mono); font-size: var(--t-lg); font-variant-numeric: tabular-nums; }
.tile span { font-size: var(--t-xs); color: var(--muted); }
hr { border: none; border-top: 1px solid var(--rule); margin: 4px 0; }

@media (max-width: 480px) { .phone { border-width: 6px; border-radius: 24px; } .phone .screen { padding: 10px 10px 14px; } }
/* the phone-location picker: an even grid that wraps cleanly at any width */
.seg.wrap-seg { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 1px; background: var(--rule); }
.seg.wrap-seg button { border-right: none; }
/* vendor modes, shelf counts, printable shelf tags */
.good-t { color: var(--good); }
.input.slim { padding: 4px 6px; min-height: 0; font-size: var(--t-sm); }
.count-in { width: 84px; text-align: right; padding: 4px 6px; }
details.panel > summary { cursor: pointer; list-style: none; gap: 12px; flex-wrap: wrap; }
details.panel > summary::-webkit-details-marker { display: none; }
details.panel > summary::before { content: '▸'; color: var(--muted); margin-right: 6px; }
details.panel[open] > summary::before { content: '▾'; }
details.panel[open] > summary { margin-bottom: 10px; }
.tagsheet { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 10px; }
.shelftag { display: grid; grid-template-columns: 76px 1fr; gap: 10px; align-items: center; background: #fff; color: #111; border: 1px dashed #9aa59c; border-radius: 6px; padding: 10px; break-inside: avoid; }
.shelftag .qr { width: 76px; height: 76px; display: block; }
.shelftag .qr svg { width: 100%; height: 100%; }
.shelftag .bigprice { font-size: 1.25rem; color: #111; }
.shelftag .muted { color: #555; }
@media print {
  body * { visibility: hidden; }
  .print-area, .print-area * { visibility: visible; }
  .print-area { position: absolute; left: 0; top: 0; width: 100%; }
  .shelftag { border-color: #999; }
}
.kiosk > section { align-self: start; }