/* Kho & Phiếu — back office for a phone shop.
   Layout: desktop = white icon sidebar + sticky top bar (search · create · tasks · account) + data tables + ticket drawer on the right;
           phone   = compact app bar per screen + icon bottom nav + floating create button + full-screen sheets. */
:root {
  /* Color: one teal accent (ESD repair mat), cool neutrals, separate state colors */
  --mat: #0f766e;
  --mat-strong: #0b5c55;
  --mat-soft: #e6f2f0;
  --bg: #f5f6f7;
  --surface: #ffffff;
  --sunken: #f0f2f3;
  --hover: #f7f9f9;
  --ink: #111827;
  --ink-2: #374151;
  --muted: #6b7280;
  --line: #e5e7eb;
  --ok: #15803d;   --ok-bg: #e8f6ed;
  --wait: #a16207; --wait-bg: #fdf4dc;
  --work: #1d4ed8; --work-bg: #e8effe;
  --err: #b91c1c;  --err-bg: #fdecec;
  --violet: #7c3aed;
  /* Type */
  --display: "Bricolage Grotesque", "Be Vietnam Pro", system-ui, sans-serif;
  --body: "Be Vietnam Pro", -apple-system, "Segoe UI", Roboto, sans-serif;
  --mono: "JetBrains Mono", ui-monospace, "SF Mono", Menlo, Consolas, monospace;
  --r: 10px;
  --rail: 240px;
  --top: 60px;
  --panel: min(560px, 46vw);
  --shadow-sm: 0 1px 2px rgba(17, 24, 39, .05);
  --shadow: 0 4px 16px rgba(17, 24, 39, .08);
  --shadow-lg: 0 12px 40px rgba(17, 24, 39, .14);
  color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root {
    --mat: #2dd4bf; --mat-strong: #5eead4; --mat-soft: #12302d;
    --bg: #0b0f10; --surface: #13181a; --sunken: #1a2023; --hover: #182022;
    --ink: #e5e7eb; --ink-2: #cbd2d6; --muted: #8b969c; --line: #252d31;
    --ok: #4ade80; --ok-bg: #0f2a1a; --wait: #fbbf24; --wait-bg: #2e240b; --work: #93b4ff; --work-bg: #142041;
    --err: #f87171; --err-bg: #331414; --violet: #a78bfa;
    --shadow-sm: 0 1px 2px rgba(0,0,0,.4); --shadow: 0 4px 16px rgba(0,0,0,.35); --shadow-lg: 0 12px 40px rgba(0,0,0,.5);
    color-scheme: dark;
  }
}

/* ---------- base ---------- */
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }
html { -webkit-text-size-adjust: 100%; background: var(--bg); }
body { margin: 0; background: var(--bg); color: var(--ink); font: 14.5px/1.5 var(--body);
  padding: env(safe-area-inset-top) 14px calc(env(safe-area-inset-bottom) + 80px); }
h1, h2, h3, h4 { margin: 0; text-wrap: balance; }
h1 { font: 700 22px/1.2 var(--display); letter-spacing: -.02em; }
h2 { font: 650 17px/1.3 var(--display); }
button { font: inherit; color: inherit; }
a { color: var(--mat); }
:focus-visible { outline: 2px solid var(--mat); outline-offset: 2px; }
.ic { width: 18px; height: 18px; flex: 0 0 auto; }
.mono, .code, .num { font-variant-numeric: tabular-nums; }
.mono, .code { font-family: var(--mono); }
.code { font-weight: 700; font-size: 13px; letter-spacing: .01em; white-space: nowrap; }
.code.big { font-size: 20px; }
.muted { color: var(--muted); font-size: 13px; }
.neg { color: var(--err); } .ok { color: var(--ok); }
.empty { text-align: center; color: var(--muted); padding: 48px 16px; background: var(--surface); border: 1px dashed var(--line); border-radius: var(--r); }
.empty.sm { padding: 6px 0; text-align: left; background: none; border: 0; font-size: 13.5px; }
.imei { font-family: var(--mono); font-variant-numeric: tabular-nums; white-space: nowrap; }
.imei b { font-weight: 700; } .imei i { font-style: normal; color: var(--muted); }

/* ---------- controls ---------- */
.btn { appearance: none; display: inline-flex; align-items: center; justify-content: center; gap: 6px; border: 1px solid transparent;
  border-radius: 8px; padding: 9px 16px; font-weight: 600; font-size: 14px; background: var(--surface); color: var(--ink); cursor: pointer;
  transition: background .12s, border-color .12s, box-shadow .12s; white-space: nowrap; }
.btn .ic { width: 16px; height: 16px; }
.btn.primary { background: var(--mat); color: #fff; box-shadow: var(--shadow-sm); }
.btn.primary:hover { background: var(--mat-strong); }
@media (prefers-color-scheme: dark) { .btn.primary { color: #042f2c; } }
.btn.ghost { background: var(--surface); border-color: var(--line); box-shadow: var(--shadow-sm); }
.btn.ghost:hover { background: var(--hover); border-color: #d1d5db; }
.btn.light { background: #fff; color: #111; }
.btn.danger { background: var(--surface); color: var(--err); border-color: color-mix(in srgb, var(--err) 30%, var(--line)); }
.btn.danger:hover { background: var(--err-bg); }
.btn.sm { padding: 6px 12px; font-size: 13px; }
.btn.block { width: 100%; margin-top: 12px; padding-block: 11px; }
.btn:disabled { opacity: .45; cursor: default; }
.btn:active { transform: translateY(1px); }
.icon-btn { position: relative; display: grid; place-items: center; width: 38px; height: 38px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); cursor: pointer; color: var(--ink-2); }
.icon-btn:hover { background: var(--hover); }
.icon-btn i, .tabbar i { position: absolute; top: -5px; right: -5px; min-width: 18px; height: 18px; padding: 0 5px; border-radius: 9px; background: var(--err);
  color: #fff; font: 700 10.5px/18px var(--body); text-align: center; box-shadow: 0 0 0 2px var(--surface); }
.link { appearance: none; background: none; border: 0; padding: 4px 0; color: var(--mat); font-size: 13.5px; font-weight: 600; cursor: pointer; }
.link.small { font-size: 12px; margin-left: 6px; }
.danger-link { color: var(--err); }
input, select, textarea { display: block; width: 100%; padding: 9px 11px; font: inherit; font-size: 15px; color: var(--ink);
  border: 1px solid var(--line); border-radius: 8px; background: var(--surface); transition: border-color .12s, box-shadow .12s; }
input::placeholder, textarea::placeholder { color: #9ca3af; }
textarea { resize: vertical; }
input:focus, select:focus, textarea:focus { outline: none; border-color: var(--mat); box-shadow: 0 0 0 3px var(--mat-soft); }
input.filled { border-color: var(--ok); background: var(--ok-bg); }
input[name="imei"], input[name="imei2"], input[name="sn"], input[name="eid"], input[data-k="imei"], input[data-k="imei_manual"] { font-family: var(--mono); }
.field { display: block; padding-top: 12px; }
.field > span { display: block; font-size: 12.5px; font-weight: 600; color: var(--ink-2); margin-bottom: 5px; }
.field em { color: var(--err); font-style: normal; }
.row2 { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: center; margin-top: 10px; }
.file { position: relative; overflow: hidden; }
.file input { position: absolute; inset: 0; opacity: 0; cursor: pointer; }
.search { margin-bottom: 10px; padding-left: 36px; background: var(--surface) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='none' stroke='%239ca3af' stroke-width='2' stroke-linecap='round' viewBox='0 0 24 24'%3E%3Ccircle cx='11' cy='11' r='8'/%3E%3Cpath d='m21 21-4.3-4.3'/%3E%3C/svg%3E") no-repeat 12px center; }
.req-mark { position: absolute; width: 1px; height: 1px; opacity: 0; pointer-events: none; border: 0; padding: 0; }
.chips { display: flex; gap: 6px; overflow-x: auto; padding-top: 8px; scrollbar-width: none; }
.chips::-webkit-scrollbar { display: none; }
.chips button { flex: 0 0 auto; border: 1px solid var(--line); background: var(--surface); padding: 5px 12px; border-radius: 999px; font-size: 13px; font-weight: 500; cursor: pointer; color: var(--ink-2); }
.chips button:hover { border-color: #cbd5e1; }
.chips button.on { background: var(--ink); color: var(--surface); border-color: var(--ink); }
.chips.pick { flex-wrap: wrap; overflow: visible; }
.chips.pick button.on { background: var(--mat); border-color: var(--mat); color: #fff; }
.seg { display: inline-flex; background: var(--sunken); border-radius: 9px; padding: 3px; gap: 2px; max-width: 100%; overflow-x: auto; scrollbar-width: none; }
.seg button { border: 0; background: transparent; padding: 6px 12px; border-radius: 7px; font-size: 13px; font-weight: 500; color: var(--muted); cursor: pointer; white-space: nowrap; }
.seg button.active { background: var(--surface); color: var(--ink); font-weight: 650; box-shadow: var(--shadow-sm); }
.seg b { color: var(--err); margin-left: 3px; }
.seg.wide { display: flex; margin-bottom: 8px; }
.seg.wide button { flex: 1; }
.msg { margin: 6px 0 0; font-size: 13.5px; }
.msg:empty { display: none; }
.msg.ok { color: var(--ok); } .msg.err { color: var(--err); font-weight: 600; }
.msg.center, .center-note { text-align: center; }
.center-note { padding: 8px; }
.dev-ok { margin: 6px 0 0; padding: 8px 12px; border-radius: 8px; background: var(--ok-bg); color: var(--ok); font-size: 13.5px; font-weight: 600; }
.toast { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 92px); transform: translateX(-50%); z-index: 80;
  background: var(--ink); color: var(--surface); padding: 10px 16px; border-radius: 10px; font-size: 13.5px; font-weight: 500; max-width: calc(100% - 32px); box-shadow: var(--shadow-lg); }

/* status */
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: 12px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap; background: var(--sunken); color: var(--ink-2); }
.pill::before { content: ""; width: 6px; height: 6px; border-radius: 50%; background: currentColor; }
.pill.wait { background: var(--wait-bg); color: var(--wait); }
.pill.work { background: var(--work-bg); color: var(--work); }
.pill.hold { background: var(--err-bg); color: var(--err); }
.pill.ready { background: var(--ok-bg); color: var(--ok); }
.pill.done { background: var(--sunken); color: var(--muted); }
.pill.cancel { background: var(--sunken); color: var(--muted); text-decoration: line-through; }
.pay-txt { font-size: 12.5px; font-weight: 600; white-space: nowrap; }
.pay-txt.ready { color: var(--ok); } .pay-txt.hold { color: var(--err); } .pay-txt.wait { color: var(--wait); } .pay-txt.done { color: var(--muted); }
.tag { font-size: 11px; font-weight: 650; padding: 2px 7px; border-radius: 5px; background: var(--sunken); color: var(--muted); white-space: nowrap; }
.tag.red { background: var(--err-bg); color: var(--err); }
.tag.dark { background: var(--mat); color: #fff; }
.type { font-size: 11px; font-weight: 650; padding: 2px 6px; border-radius: 5px; background: var(--sunken); color: var(--ink-2); }
.type.t-ban { background: var(--mat-soft); color: var(--mat-strong); }
.type.t-sua { background: color-mix(in srgb, var(--violet) 12%, transparent); color: var(--violet); }
.type.t-cskh { background: var(--wait-bg); color: var(--wait); }
.tier { font: 700 10.5px/1 var(--body); padding: 4px 7px; border-radius: 5px; background: var(--sunken); color: var(--muted); letter-spacing: .04em; text-transform: uppercase; white-space: nowrap; }
.tier.vip { background: color-mix(in srgb, #ca8a04 16%, transparent); color: #a16207; }
.tier.loyal { background: var(--mat-soft); color: var(--mat-strong); }
@media (prefers-color-scheme: dark) { .tier.vip { color: #facc15; } }
.dept-tag { display: inline-block; font: 650 11.5px/1 var(--body); padding: 4px 8px; border-radius: 6px; background: var(--mat-soft); color: var(--mat-strong); vertical-align: middle; }
.avatar { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; display: inline-grid; place-items: center; flex: 0 0 auto; overflow: hidden;
  background: var(--mat-soft); color: var(--mat-strong); font: 700 15px var(--display); }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.sm { width: 32px; height: 32px; font-size: 13px; }
.avatar.xs { width: 24px; height: 24px; font-size: 11px; }
.avatar.lg { width: 52px; height: 52px; font-size: 19px; }

/* ---------- login ---------- */
.login { min-height: 80vh; max-width: 400px; margin: 0 auto; display: flex; flex-direction: column; justify-content: center; gap: 6px; }
.login h1 { font-size: 30px; margin: 8px 0 4px; }
.login .muted { font-size: 14px; margin: 0 0 14px; }
.g-btn { min-height: 44px; }
.type-pick { display: flex; flex-direction: column; gap: 10px; margin-top: 6px; }
.type-pick a, .type-pick button { display: block; text-align: left; border: 1px solid var(--line); background: var(--surface); border-radius: var(--r); padding: 14px 16px; color: inherit; text-decoration: none; cursor: pointer; box-shadow: var(--shadow-sm); }
.type-pick a:hover, .type-pick button:hover { border-color: var(--mat); }
.type-pick b { display: block; font: 650 16px/1.3 var(--display); }
.type-pick span { color: var(--muted); font-size: 13.5px; }

/* ---------- shell: page header, top bar, nav ---------- */
.bar { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 14px 0 12px; flex-wrap: wrap; }
.bar h1 small { margin-left: 8px; }
.topbar { display: none; }
#newTicketBtn, #newTaskBtn { display: none; }
.fab { position: fixed; right: 18px; bottom: calc(env(safe-area-inset-bottom) + 80px); z-index: 45; width: 56px; height: 56px; border-radius: 16px; border: 0;
  background: var(--mat); color: #fff; display: grid; place-items: center; box-shadow: 0 8px 20px color-mix(in srgb, var(--mat) 40%, transparent); cursor: pointer; }
.fab .ic { width: 24px; height: 24px; }
@media (prefers-color-scheme: dark) { .fab { color: #042f2c; } }
body.sheet-open .fab { display: none; }

.tabbar { position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: flex; background: var(--surface); border-top: 1px solid var(--line);
  padding: 4px 6px calc(env(safe-area-inset-bottom) + 4px); }
.tabbar .brand, .tabbar .nav-user { display: none; }
.tabbar button { flex: 1; display: flex; flex-direction: column; align-items: center; gap: 3px; border: 0; background: none; padding: 7px 2px 5px; font-size: 11px; font-weight: 600;
  color: var(--muted); position: relative; border-radius: 10px; cursor: pointer; white-space: nowrap; }
.tabbar button .ic { width: 22px; height: 22px; }
.tabbar button.on { color: var(--mat); }
.tabbar i { top: 0; right: calc(50% - 22px); }
body.sheet-open .tabbar { display: none; }

/* ---------- surfaces ---------- */
.group { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 4px 16px 14px; margin-bottom: 12px; box-shadow: var(--shadow-sm); }
.group h3, .b-title { font: 650 11px/1.2 var(--body); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); margin: 14px 0 6px; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; }
.kv { display: flex; justify-content: space-between; align-items: baseline; gap: 16px; padding: 8px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.kv:last-child { border-bottom: 0; }
.kv > span { color: var(--muted); flex: 0 0 auto; }
.kv > span small { display: block; font-size: 12px; }
.kv > b { font-weight: 550; text-align: right; word-break: break-word; font-variant-numeric: tabular-nums; }
.kv.strong > b { font-weight: 700; }
.kv a { color: inherit; }
.kv.voided { opacity: .5; text-decoration: line-through; }
.btns { display: flex; flex-wrap: wrap; gap: 8px; padding: 8px 0; }
.btns .btn { flex: 1 1 auto; }
.btns.end { justify-content: flex-end; }
.btns.end .btn { flex: 0 0 auto; }
.btns .btn.sel { box-shadow: 0 0 0 3px var(--mat-soft); }
form.act .field { padding-top: 10px; }
.pick-list { display: flex; flex-direction: column; gap: 6px; margin: 8px 0; }
.pick-item { display: flex; gap: 10px; align-items: flex-start; padding: 9px 12px; border: 1px solid var(--line); border-radius: 8px; background: var(--surface); cursor: pointer; }
.pick-item:has(input:checked) { border-color: var(--mat); background: var(--mat-soft); }
.pick-item input { width: auto; margin-top: 4px; accent-color: var(--mat); }
.pick-item small { display: block; color: var(--muted); font-size: 12px; }

/* ---------- data rows: a table on desktop, compact two-line rows on phones ---------- */
.list { display: flex; flex-direction: column; margin-top: 10px; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); overflow: hidden; box-shadow: var(--shadow-sm); }
.list:has(> .empty), .list:empty { background: none; border: 0; box-shadow: none; }
.list.mini { margin-top: 6px; box-shadow: none; }
.trow { display: grid; gap: 2px 10px; padding: 11px 14px; border-top: 1px solid var(--line); cursor: pointer; align-items: center; font-size: 13.5px; }
.trow:first-child, .thead + .trow { border-top: 0; }
.trow:hover { background: var(--hover); }
.trow.current { background: var(--mat-soft); }
.thead { display: none !important; cursor: default; }
.trow > div, .trow > span { min-width: 0; }
.tk { grid-template-columns: 1fr auto; grid-template-areas: "cust status" "dev dev" "code pay" ; }
.tk .c-code { grid-area: code; display: flex; gap: 6px; align-items: center; }
.tk .c-cust { grid-area: cust; display: flex; gap: 8px; align-items: baseline; overflow: hidden; }
.tk .c-cust b { font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tk .c-cust span { color: var(--muted); font-size: 12.5px; }
.tk .c-dev { grid-area: dev; color: var(--ink-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.tk .c-status { grid-area: status; display: flex; gap: 4px; justify-content: flex-end; align-items: center; }
.tk .c-pay { grid-area: pay; text-align: right; }
.tk .c-owner, .tk .c-time { display: none; }
.mine-dept { color: var(--mat); font-weight: 650; }
.cust-row { grid-template-columns: 1fr auto; grid-template-areas: "name spent" "name meta"; }
.cust-row .c-cname { grid-area: name; display: flex; gap: 10px; align-items: center; }
.cust-row .c-cname > div { display: flex; flex-direction: column; min-width: 0; }
.cust-row .c-cname b { font-weight: 650; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cust-row .c-cname span { color: var(--muted); font-size: 12.5px; }
.cust-row .c-spent { grid-area: spent; text-align: right; font-weight: 650; }
.cust-row .c-tier { display: none; }
.cust-row .c-count { grid-area: meta; text-align: right; color: var(--muted); font-size: 12.5px; }
.cust-row .c-debt, .cust-row .c-last { display: none; }
.tx-row { grid-template-columns: auto 1fr auto; grid-template-areas: "code cust amt" "what what time"; }
.tx-row > :nth-child(1) { grid-area: code; } .tx-row > :nth-child(2) { grid-area: cust; } .tx-row > :nth-child(3) { grid-area: what; font-size: 12.5px; }
.tx-row > :nth-child(4) { display: none; } .tx-row > :nth-child(5) { grid-area: time; font-size: 12px; text-align: right; } .tx-row > :nth-child(6) { grid-area: amt; text-align: right; }
.group.tx { padding-bottom: 6px; } .group.tx .trow { padding-inline: 0; }

/* ---------- sheet / ticket drawer ---------- */
.sheet { position: fixed; inset: 0; z-index: 50; background: var(--bg); overflow-y: auto; -webkit-overflow-scrolling: touch; padding: env(safe-area-inset-top) 14px calc(env(safe-area-inset-bottom) + 32px); }
.sheet > * { max-width: 640px; margin-left: auto; margin-right: auto; }
.sheet-head { position: sticky; top: 0; z-index: 3; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; background: var(--bg); padding: 10px 0; margin-bottom: 4px; }
.sheet-head #sheetTitle { font-family: var(--mono); font-weight: 700; font-size: 14px; }
.link.back { font-size: 15px; color: var(--ink); justify-self: start; display: inline-flex; align-items: center; gap: 2px; }
.d-head { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; margin-bottom: 10px; display: flex; flex-direction: column; gap: 6px; box-shadow: var(--shadow-sm); }
.d-id { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.d-cust { display: flex; align-items: center; gap: 10px; padding-top: 10px; margin-top: 4px; border-top: 1px solid var(--line); }
.d-cust > div { flex: 1; display: flex; flex-direction: column; min-width: 0; }
.d-cust a { color: var(--muted); font-size: 13px; text-decoration: none; }
.owner { background: var(--sunken); border-radius: 8px; padding: 9px 12px; font-size: 13.5px; margin-bottom: 10px; }
.owner.mine { background: var(--mat-soft); color: var(--mat-strong); }
.actions { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 6px 14px 10px; margin-bottom: 10px; box-shadow: var(--shadow-sm); }
.dtabs { display: flex; gap: 2px; border-bottom: 1px solid var(--line); margin: 6px 0 12px; overflow-x: auto; scrollbar-width: none; position: sticky; top: 50px; background: var(--bg); z-index: 2; }
.dtab { border: 0; background: none; padding: 10px 12px; font-size: 13.5px; font-weight: 600; color: var(--muted); border-bottom: 2px solid transparent; margin-bottom: -1px; cursor: pointer; white-space: nowrap; display: inline-flex; gap: 6px; align-items: center; }
.dtab i { font-style: normal; font-size: 11px; background: var(--sunken); border-radius: 999px; padding: 1px 7px; color: var(--muted); }
.dtab.on { color: var(--ink); border-bottom-color: var(--mat); }
.note-box { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: end; padding-top: 12px; }
.timeline { list-style: none; padding: 0 0 0 16px; margin: 14px 0 0; border-left: 2px solid var(--line); }
.timeline li { position: relative; padding: 0 0 14px 12px; }
.timeline li::before { content: ""; position: absolute; left: -23px; top: 5px; width: 10px; height: 10px; border-radius: 50%; background: var(--mat); border: 2px solid var(--surface); box-shadow: 0 0 0 1px var(--line); }
.timeline li.ev-note::before { background: var(--muted); }
.timeline li.ev-edit::before, .timeline li.ev-print::before, .timeline li.ev-photo::before { background: var(--line); }
.timeline li.ev-payment::before { background: var(--ok); }
.ev-head { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 2px 12px; font-size: 13.5px; }
.ev-head span { color: var(--muted); font-size: 12px; }
.timeline p { margin: 3px 0 0; font-size: 13.5px; color: var(--ink-2); white-space: pre-wrap; }

/* payments & photos */
.pay-ed { border: 1px solid var(--line); border-radius: 10px; padding: 12px; margin-top: 12px; background: var(--sunken); display: flex; flex-direction: column; gap: 8px; }
.pay-ed-head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; font-size: 12.5px; font-weight: 650; color: var(--ink-2); }
.pay-ed-head b { color: var(--ink); font-size: 14px; font-variant-numeric: tabular-nums; }
.pay-rows { display: flex; flex-direction: column; gap: 8px; }
.pay-row { display: grid; grid-template-columns: minmax(110px, 1fr) minmax(110px, 1.2fr) 36px; gap: 8px; align-items: center; }
.pay-row input { font-variant-numeric: tabular-nums; text-align: right; font-weight: 600; }
.pay-x { border: 1px solid var(--line); background: var(--surface); border-radius: 8px; height: 38px; font-size: 17px; color: var(--muted); cursor: pointer; }
.pay-ed .link { align-self: flex-start; }
.pay-sum { margin: 0; font-size: 13.5px; font-weight: 600; font-variant-numeric: tabular-nums; }
.pay-sum.ok { color: var(--ok); } .pay-sum.warn { color: var(--wait); } .pay-sum.err { color: var(--err); }
.check { display: flex; gap: 8px; align-items: center; font-size: 13.5px; }
.check input { width: auto; accent-color: var(--mat); }
.pay-head { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 8px; padding: 14px 0 6px; }
.pay-head .due { color: var(--err); font-variant-numeric: tabular-nums; }
.ledger summary { cursor: pointer; color: var(--mat); font-size: 13.5px; font-weight: 600; padding: 10px 0 4px; }
.ph-pick { margin-top: 12px; padding: 12px; border: 1px dashed #cbd5e1; border-radius: 10px; position: relative; background: var(--surface); }
.ph-head { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12.5px; font-weight: 650; color: var(--ink-2); }
.ph-head em { color: var(--err); font-style: normal; }
.ph-head select { width: auto; padding: 5px 9px; font-size: 13px; }
.ph-row { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; margin-top: 8px; }
.ph-thumbs { display: flex; gap: 6px; flex-wrap: wrap; }
.ph-thumbs img, .ph-up { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); }
.ph-up { display: grid; place-items: center; font-size: 11px; color: var(--muted); background: var(--sunken); }
.gallery { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 8px; padding-top: 12px; }
.gallery .ph { display: flex; flex-direction: column; gap: 4px; color: inherit; text-decoration: none; }
.gallery img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: 8px; border: 1px solid var(--line); background: var(--sunken); }
.gallery span { font-size: 11.5px; color: var(--muted); }
.gallery > p { padding: 4px 0; }

/* ---------- Nhập kho ---------- */
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 12px 0; }
.top .seg { flex: 1; max-width: 320px; }
.top .seg button { flex: 1; }
.cam { margin-bottom: 14px; }
.viewport { position: relative; aspect-ratio: 4 / 3; background: #0c1214; border-radius: var(--r); overflow: hidden; }
.viewport video, .viewport canvas { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.viewport::after { content: ""; position: absolute; inset: 14% 8%; border: 2px solid rgba(255,255,255,.55); border-radius: 12px; pointer-events: none; box-shadow: 0 0 0 999px rgba(0,0,0,.18); }
.cam-off { position: absolute; inset: 0; display: grid; place-items: center; z-index: 2; }
.busy { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%); background: rgba(0,0,0,.72); color: #fff; padding: 6px 14px; border-radius: 999px; font-size: 13px; z-index: 2; }
.cam-bar { display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 12px; padding: 12px 0 2px; }
.cam-bar > :last-child { justify-self: end; }
.shutter { width: 66px; height: 66px; border-radius: 50%; border: 3px solid var(--mat); background: var(--surface); padding: 0; box-shadow: inset 0 0 0 4px var(--surface), inset 0 0 0 40px var(--mat); cursor: pointer; }
.shutter:disabled { opacity: .3; }
.steps { list-style: none; margin: 8px 0 0; padding: 0; font-size: 13.5px; color: var(--muted); display: flex; flex-direction: column; gap: 4px; }
.steps li { display: flex; gap: 10px; align-items: flex-start; }
.steps .n { flex: 0 0 20px; height: 20px; border-radius: 50%; border: 1px solid var(--line); display: grid; place-items: center; font-size: 11px; font-weight: 700; color: var(--ink); background: var(--surface); }
.steps li.done { color: var(--ok); }
.steps li.done .n { background: var(--ok); border-color: var(--ok); color: #fff; }
#form .group { padding-bottom: 14px; }
.savebar { position: sticky; bottom: calc(env(safe-area-inset-bottom) + 66px); display: grid; grid-template-columns: 1fr 2.4fr; gap: 10px; padding: 12px 0; background: linear-gradient(transparent, var(--bg) 35%); }
.recent { margin-top: 18px; }
.recent h2 { margin-bottom: 8px; }
#pending { font: 400 13px var(--body); color: var(--muted); }
.item { background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; margin-bottom: 6px; font-size: 13.5px; }
.item .l1 { font-weight: 650; } .item .l2 { font-size: 12.5px; } .item .l3 { color: var(--muted); font-size: 12px; }

/* ---------- stock ---------- */
#stockList { display: grid; gap: 10px; background: none; border: 0; box-shadow: none; }
.stock { padding-bottom: 8px; margin: 0; }
.stock-head { display: flex; justify-content: space-between; align-items: baseline; padding: 12px 0 6px; font: 650 15px var(--display); }
.stock-row { display: flex; justify-content: space-between; align-items: center; width: 100%; border: 0; border-top: 1px solid var(--line); background: none; padding: 9px 0; font-size: 14px; text-align: left; cursor: pointer; }
.stock-row b { min-width: 30px; text-align: center; background: var(--sunken); border-radius: 6px; padding: 2px 8px; font-variant-numeric: tabular-nums; }
.stock-row b.low { background: var(--wait-bg); color: var(--wait); }
.stock-detail .kv { font-size: 13px; padding: 6px 0 6px 10px; }

/* ---------- technician board ---------- */
.board-stats { display: grid; grid-template-columns: repeat(5, 1fr); gap: 6px; margin-bottom: 10px; }
.board-stats button { border: 1px solid var(--line); background: var(--surface); border-radius: 10px; padding: 9px 4px; display: flex; flex-direction: column; align-items: center; gap: 2px; cursor: pointer; box-shadow: var(--shadow-sm); }
.board-stats b { font: 700 20px/1.1 var(--display); font-variant-numeric: tabular-nums; }
.board-stats span { font-size: 10.5px; color: var(--muted); text-align: center; line-height: 1.2; }
.board-stats button.on { background: var(--ink); border-color: var(--ink); color: var(--surface); }
.board-stats button.on span { color: color-mix(in srgb, var(--surface) 75%, transparent); }
.board-stats button.hot:not(.on) b { color: var(--err); }
.board-tools { display: grid; grid-template-columns: 1fr auto; gap: 8px; align-items: start; }
.board-tools .search { margin: 0; }
.b-col { min-width: 0; }
.b-title { display: flex; align-items: center; gap: 8px; margin: 16px 0 8px; }
.b-title span { background: var(--surface); border: 1px solid var(--line); color: var(--ink); border-radius: 999px; padding: 0 8px; font-size: 11px; letter-spacing: 0; }
.bc { position: relative; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; margin-bottom: 8px; cursor: pointer; box-shadow: var(--shadow-sm); }
.bc:hover { box-shadow: var(--shadow); }
.bc.urgent { border-color: color-mix(in srgb, var(--err) 45%, var(--line)); }
.bc.picked { border-color: var(--mat); background: var(--mat-soft); }
.bc .tk-top { display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 6px; }
.bc .tags { display: flex; gap: 6px; align-items: center; }
.bc-model { font: 650 15.5px/1.3 var(--display); margin-top: 4px; }
.bc-issue { font-size: 13.5px; color: var(--muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.bc-meta { display: flex; flex-wrap: wrap; gap: 4px 12px; font-size: 12px; color: var(--muted); margin-top: 6px; }
.bc-meta .late { color: var(--err); font-weight: 700; }
.bc-actions { display: flex; gap: 8px; margin-top: 10px; }
.bc-actions .btn { flex: 1; }
.bc .check { position: absolute; right: 12px; bottom: 12px; width: 22px; height: 22px; border-radius: 50%; border: 2px solid var(--line); background: var(--surface); }
.bc.picked .check { background: var(--mat); border-color: var(--mat); box-shadow: inset 0 0 0 4px var(--surface); }
.multibar { position: fixed; left: 0; right: 0; bottom: calc(env(safe-area-inset-bottom) + 62px); z-index: 45; display: flex; gap: 10px; align-items: center; justify-content: space-between; background: var(--surface); border-top: 1px solid var(--line); padding: 10px 16px; box-shadow: var(--shadow); }
.multibar span { font-size: 13.5px; color: var(--muted); }

/* ---------- dashboard ---------- */
#repPeriods { margin-bottom: 12px; }
.kpis { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-bottom: 12px; }
.kpi { display: flex; gap: 12px; align-items: flex-start; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px; box-shadow: var(--shadow-sm); min-width: 0; }
.kpi > div { display: flex; flex-direction: column; min-width: 0; }
.kpi-ic { display: grid; place-items: center; width: 36px; height: 36px; border-radius: 9px; background: var(--mat-soft); color: var(--mat); flex: 0 0 auto; }
.kpi-l { font-size: 12.5px; color: var(--muted); font-weight: 500; }
.kpi-v { font: 700 16px/1.25 var(--display); font-variant-numeric: tabular-nums; letter-spacing: -.01em; overflow-wrap: anywhere; }
@media (max-width: 420px) { .kpi { padding: 12px; gap: 10px; } .kpi-ic { width: 30px; height: 30px; } .kpi-s { font-size: 11.5px; } }
.kpi-s { font-size: 12px; color: var(--muted); display: flex; flex-wrap: wrap; gap: 4px; align-items: center; }
.delta { font-weight: 700; font-size: 11.5px; border-radius: 5px; padding: 1px 5px; }
.delta.up { color: var(--ok); background: var(--ok-bg); } .delta.down { color: var(--err); background: var(--err-bg); }
.chart { width: 100%; height: auto; display: block; margin-top: 4px; }
.chart .grid { stroke: var(--line); stroke-width: 1; }
.chart .ax { fill: var(--muted); font: 500 11px var(--body); }
.chart .b-sale { fill: var(--mat); } .chart .b-svc { fill: var(--violet); }
.legend { font-size: 12px; color: var(--muted); display: flex; gap: 6px; align-items: center; margin: 12px 0 0; }
.legend i { display: inline-block; width: 10px; height: 10px; border-radius: 3px; background: var(--mat); margin-left: 8px; }
.legend i.svc { background: var(--violet); }
.mrow { display: grid; grid-template-columns: minmax(90px, 140px) 1fr auto; gap: 12px; align-items: center; padding: 7px 0; font-size: 13.5px; font-variant-numeric: tabular-nums; }
.mrow .rank { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 50%; background: var(--sunken); font-size: 11px; margin-right: 6px; }
.meter { display: flex; height: 8px; background: var(--sunken); border-radius: 4px; overflow: hidden; }
.meter i { display: block; height: 100%; background: var(--mat); border-radius: 4px; }
.meter i.svc { background: var(--violet); }
.rep-item { cursor: pointer; }
.rep-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 12px; }
.rep-grid > div { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; }
.rep-grid span { display: block; font-size: 12px; color: var(--muted); }
.rep-grid b { display: block; font: 650 17px/1.3 var(--display); margin: 2px 0; font-variant-numeric: tabular-nums; }

/* ---------- CRM ---------- */
.cust-hero { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; padding: 8px 0 14px; }
.cust-hero h2 { font-size: 21px; }
.cust-hero a { color: var(--mat); font-size: 14px; }
#custFilter { margin-bottom: 2px; }
.task { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; margin-bottom: 8px; box-shadow: var(--shadow-sm); }
#taskList { background: none; border: 0; box-shadow: none; }
.task.late { border-color: color-mix(in srgb, var(--err) 40%, var(--line)); }
.task-top { display: flex; justify-content: space-between; align-items: center; gap: 8px; font-size: 12.5px; }
.task-top .late { color: var(--err); font-weight: 700; }
.task-title { font-weight: 600; margin-top: 6px; }
.task .cust-link { display: block; text-align: left; padding: 4px 0 0; }
.task .btns { padding-bottom: 0; }
.task-act { margin-top: 8px; display: flex; flex-direction: column; gap: 6px; }
.task-result { margin: 6px 0 0; font-size: 13.5px; color: var(--ok); }
#staffList { background: none; border: 0; box-shadow: none; gap: 8px; }
.staff { display: grid; grid-template-columns: 40px 1fr auto; grid-template-areas: "av main pill" "av role act"; gap: 6px 12px; align-items: center; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 12px 14px; box-shadow: var(--shadow-sm); }
.staff .avatar { grid-area: av; }
.staff-main { grid-area: main; min-width: 0; display: flex; flex-direction: column; }
.staff-main .muted { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.staff .pill { grid-area: pill; justify-self: end; }
.staff .role { grid-area: role; padding: 6px 9px; font-size: 13.5px; max-width: 200px; }
.staff-act { grid-area: act; justify-self: end; }
.invite-row { display: grid; grid-template-columns: 1fr 1fr; gap: 0 12px; }
.account { display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding-top: 14px; }
.account > div { display: flex; flex-direction: column; gap: 2px; align-items: flex-start; }
.more-nav { display: flex; flex-direction: column; }
.more-link { text-align: left; border: 0; border-top: 1px solid var(--line); background: none; padding: 12px 2px; font-size: 15px; font-weight: 600; cursor: pointer; }
.more-nav h3 + .more-link { border-top: 0; }
@media (max-width: 520px) { .invite-row { grid-template-columns: 1fr; } }
@media (max-width: 1023px) { .tabbar button.extra { display: none; } }

/* global search results */
.g-results { position: absolute; top: calc(100% + 6px); left: 0; right: 0; background: var(--surface); border: 1px solid var(--line); border-radius: 12px; box-shadow: var(--shadow-lg); padding: 6px; max-height: 70vh; overflow-y: auto; z-index: 70; }
.g-results h4 { font: 650 11px var(--body); text-transform: uppercase; letter-spacing: .07em; color: var(--muted); padding: 8px 10px 4px; }
.g-item { display: grid; grid-template-columns: auto 1fr auto; gap: 10px; align-items: center; width: 100%; text-align: left; border: 0; background: none; padding: 8px 10px; border-radius: 8px; cursor: pointer; font-size: 13.5px; }
.g-item:hover { background: var(--hover); }
.g-item > span:nth-child(2) { overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.g-empty { padding: 10px; }

/* =================== Desktop =================== */
@media (min-width: 1024px) {
  body { padding: 0 28px 40px calc(var(--rail) + 28px); font-size: 14px; }
  .view { max-width: 1440px; }
  .bar { padding: 22px 0 14px; }
  h1 { font-size: 24px; }

  /* sidebar */
  .tabbar { top: 0; right: auto; bottom: 0; width: var(--rail); flex-direction: column; gap: 2px; padding: 16px 12px; border-top: 0; border-right: 1px solid var(--line); }
  .tabbar .brand { display: flex; gap: 10px; align-items: center; padding: 4px 8px 20px; }
  .tabbar .brand .logo { width: 34px; height: 34px; border-radius: 9px; background: var(--mat); color: #fff; display: grid; place-items: center; font: 800 13px var(--display); letter-spacing: .02em; }
  .tabbar .brand b { display: block; font: 700 16px/1.1 var(--display); }
  .tabbar .brand span { font-size: 12px; color: var(--muted); }
  .tabbar button, .tabbar.many button { flex: 0 0 auto; flex-direction: row; gap: 10px; padding: 9px 10px; font-size: 14px; font-weight: 550; color: var(--ink-2); border-radius: 8px; }
  .tabbar button .ic { width: 18px; height: 18px; color: var(--muted); }
  .tabbar button:hover { background: var(--hover); }
  .tabbar button.on { background: var(--mat-soft); color: var(--mat-strong); font-weight: 650; }
  .tabbar button.on .ic { color: var(--mat); }
  .tabbar button.extra { display: flex; }
  .tabbar button[data-view="more"] { display: none; }
  .tabbar i { top: 50%; right: 10px; transform: translateY(-50%); box-shadow: none; }
  .tabbar .nav-user { display: block; margin-top: auto; padding: 12px 8px 0; border-top: 1px solid var(--line); font-size: 12px; color: var(--muted); overflow: hidden; text-overflow: ellipsis; }
  .tabbar .nav-user b { display: block; color: var(--ink); font-size: 13.5px; }
  body.sheet-open .tabbar { display: flex; }

  /* top bar */
  .topbar { display: flex; align-items: center; gap: 10px; position: sticky; top: 0; z-index: 30; height: var(--top); margin: 0 -28px; padding: 0 28px;
    background: color-mix(in srgb, var(--bg) 88%, transparent); backdrop-filter: blur(8px); -webkit-backdrop-filter: blur(8px); border-bottom: 1px solid var(--line); }
  .gsearch { position: relative; flex: 1; max-width: 560px; display: flex; align-items: center; }
  .gsearch > .ic { position: absolute; left: 12px; color: var(--muted); width: 16px; height: 16px; }
  .gsearch input { padding-left: 36px; padding-right: 34px; background: var(--surface); height: 38px; }
  .gsearch kbd { position: absolute; right: 10px; font: 600 11px var(--mono); color: var(--muted); border: 1px solid var(--line); border-radius: 5px; padding: 1px 6px; }
  #topCreate { margin-left: auto; height: 38px; }
  .top-user { display: flex; align-items: center; gap: 8px; border: 0; background: none; padding: 4px 6px; border-radius: 8px; cursor: pointer; font-weight: 600; font-size: 13.5px; }
  .top-user:hover { background: var(--hover); }
  .fab { display: none !important; }
  .toast { bottom: 28px; left: calc(50% + var(--rail) / 2); }

  /* drawer docked on the right */
  .sheet { inset: 0 0 0 auto; width: var(--panel); border-left: 1px solid var(--line); box-shadow: var(--shadow-lg); padding: 0 20px 32px; z-index: 55; }
  .sheet-head { padding-top: 14px; }
  .dtabs { top: 54px; }
  body.sheet-open .view, body.sheet-open .topbar { margin-right: calc(var(--panel) - 28px); }
  body.sheet-open .view { margin-right: var(--panel); }

  /* tables */
  .search { max-width: 460px; }
  .seg.wide { display: inline-flex; }
  .seg.wide button { flex: 0 0 auto; }
  .thead { display: grid !important; background: var(--sunken); font-size: 11.5px; font-weight: 650; color: var(--muted); text-transform: uppercase; letter-spacing: .05em; padding: 9px 14px; }
  .thead:hover { background: var(--sunken); }
  .tk { grid-template-columns: 130px minmax(140px, 1.1fr) minmax(160px, 1.6fr) 140px 120px 120px 92px; grid-template-areas: none; }
  .tk > * { grid-area: auto !important; }
  .tk .c-owner, .tk .c-time { display: block; }
  .tk .c-cust { flex-direction: column; gap: 0; }
  .tk .c-status { justify-content: flex-start; }
  .tk .c-pay { text-align: left; }
  .tk .c-time, .tk .c-owner { color: var(--muted); font-size: 12.5px; }
  body.sheet-open .tk { grid-template-columns: 120px 1fr 130px 110px; }
  body.sheet-open .tk .c-dev, body.sheet-open .tk .c-owner, body.sheet-open .tk .c-time,
  body.sheet-open .tk.thead > :nth-child(3), body.sheet-open .tk.thead > :nth-child(6), body.sheet-open .tk.thead > :nth-child(7) { display: none; }
  .cust-row { grid-template-columns: minmax(220px, 1.6fr) 110px 140px 120px 130px 110px; grid-template-areas: none; }
  .cust-row > * { grid-area: auto !important; }
  .cust-row .c-tier, .cust-row .c-debt, .cust-row .c-last { display: block; }
  .cust-row .c-spent, .cust-row .c-count { text-align: left; }
  .cust-row .c-count, .cust-row .c-last { color: var(--muted); font-size: 13px; }
  body.sheet-open .cust-row { grid-template-columns: 1fr 120px 100px; }
  body.sheet-open .cust-row .c-tier, body.sheet-open .cust-row .c-count, body.sheet-open .cust-row .c-last { display: none; }
  .tx-row { grid-template-columns: 110px 1fr 1.4fr 1.2fr 100px 120px; grid-template-areas: none; }
  .tx-row > * { grid-area: auto !important; }
  .tx-row > :nth-child(4) { display: block; }
  .tx-row > :nth-child(5) { text-align: left; }

  /* dashboard grid */
  #report { display: grid; grid-template-columns: repeat(12, 1fr); gap: 14px; align-items: start; }
  #report > * { margin: 0; }
  .kpis { grid-column: 1 / -1; grid-template-columns: repeat(4, 1fr); gap: 14px; }
  .chart-card { grid-column: 1 / 9; grid-row: span 2; }
  .kpi-v { font-size: 20px; }
  #report > .group:not(.chart-card):not(.tx) { grid-column: 9 / -1; }
  #report > .group.tx { grid-column: 1 / -1; }
  #report:not(:has(.chart-card)) > .group:not(.tx) { grid-column: span 6; }

  /* board lanes */
  #board { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 14px; align-items: start; margin-top: 18px; }
  .b-col { background: var(--sunken); border-radius: 12px; padding: 4px 10px 8px; }
  .board-stats, .board-tools { max-width: 900px; }
  .board-tools { grid-template-columns: 1fr 160px; }
  .board-tools .search { max-width: none; }
  .multibar { left: var(--rail); bottom: 0; }

  /* Nhập kho: camera left, form right */
  #view-scan { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: 0 24px; align-items: start; grid-template-areas: "top top" "cam form" "recent form"; }
  #view-scan > .top { grid-area: top; padding: 22px 0 14px; }
  #view-scan > .cam { grid-area: cam; }
  #view-scan > form { grid-area: form; position: sticky; top: calc(var(--top) + 14px); }
  #view-scan > .recent { grid-area: recent; }
  .savebar { bottom: 0; }

  #stockList { grid-template-columns: repeat(auto-fill, minmax(330px, 1fr)); align-items: start; }
  #custList .empty, #tkList .empty { grid-column: 1 / -1; }
  #taskList { display: grid; grid-template-columns: repeat(auto-fill, minmax(340px, 1fr)); gap: 10px; }
  #taskList .task { margin: 0; }
  #staffList, #inviteF { max-width: 920px; }
  .more-nav { display: none; }
  .login { min-height: 90vh; }
}
@media (prefers-reduced-motion: reduce) { * { transition: none !important; } }

/* =================== Print (receipts) =================== */
#printArea { display: none; }
@media print {
  html, body { padding: 0 !important; margin: 0 !important; background: #fff !important; max-width: none !important; color: #000; }
  body > *:not(#printArea) { display: none !important; }
  #printArea { display: block !important; }
}
.paper { color: #000; font: 12px/1.4 Arial, Helvetica, sans-serif; }
.paper.k80 { width: 72mm; padding: 3mm 4mm; margin: 0 auto; }
.paper.a5 { width: 100%; font-size: 13px; }
.paper header { text-align: center; border-bottom: 1px dashed #000; padding-bottom: 6px; }
.paper .shop { font-size: 15px; text-transform: uppercase; display: block; }
.paper h2 { text-align: center; font: 700 14px Arial, sans-serif; margin: 8px 0; letter-spacing: .02em; }
.paper .head { display: flex; justify-content: space-between; align-items: center; gap: 8px; margin-bottom: 6px; }
.paper .code { font: 700 18px "Courier New", monospace; }
.paper .mono { font-family: "Courier New", monospace; }
.paper .qr { text-align: center; width: 26mm; flex: 0 0 26mm; }
.paper .qr svg { width: 24mm; height: 24mm; display: block; margin: 0 auto; }
.paper .qr small { font-size: 9px; }
.paper h4 { margin: 8px 0 2px; font-size: 12px; text-transform: uppercase; border-bottom: 1px solid #000; }
.paper table { width: 100%; border-collapse: collapse; }
.paper td { padding: 2px 0; vertical-align: top; }
.paper td:first-child { width: 38%; color: #333; }
.paper td:last-child { text-align: right; }
.paper table.money { border-top: 1px dashed #000; margin-top: 6px; padding-top: 4px; }
.paper .terms { font-size: 10px; color: #333; border-top: 1px dashed #000; margin-top: 8px; padding-top: 6px; }
.paper .sign { display: grid; grid-template-columns: 1fr 1fr; text-align: center; margin-top: 10px; min-height: 26mm; font-weight: 700; }
.paper .sign small { font-weight: 400; font-size: 10px; }
.paper footer { text-align: center; font-size: 11px; border-top: 1px dashed #000; padding-top: 4px; }
.paper.a5 .sign { min-height: 30mm; }
.stock-item small { display: block; font-size: 12px; color: var(--muted); } .staff-act { display: flex; gap: 12px; }

.stock-item .row-acts{display:flex;gap:10px;align-items:center;flex-shrink:0}
.price-edit{display:flex;gap:6px;align-items:center}
.price-edit input{width:130px;padding:6px 8px;font-size:14px}

.print-now{display:flex;gap:8px;align-items:center;margin:10px 0 4px;font-weight:600}
.print-now input{width:18px;height:18px}

/* activity history */
.chat-box summary { cursor: pointer; font-weight: 600; }
.chat-box[open] summary { margin-bottom: 10px; }
.ok-txt { color: var(--ok); } .err-txt { color: var(--err); font-weight: 500; }
.hist { display: flex; flex-direction: column; gap: 2px; margin-top: 8px; }
.hist-day { margin: 14px 0 6px; font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); }
.hist-row { display: grid; grid-template-columns: 44px 84px 1fr; gap: 10px; align-items: start; padding: 10px 12px; background: var(--surface); border: 1px solid var(--line); border-radius: 10px; }
.hist-row time { font-family: var(--mono); font-size: 13px; color: var(--muted); padding-top: 2px; font-variant-numeric: tabular-nums; }
.hist-row .hk { font-size: 12px; font-weight: 600; padding: 3px 8px; border-radius: 999px; text-align: center; background: var(--sunken); color: var(--ink-2); }
.hist-row .ht p { margin: 0; line-height: 1.45; overflow-wrap: anywhere; }
.hist-row .ht small { color: var(--muted); display: flex; gap: 6px; align-items: center; flex-wrap: wrap; margin-top: 2px; }
.hist-row .ht .code { font-size: 12px; padding: 0; }
.k-delete .hk { background: var(--err-bg); color: var(--err); } .k-delete { border-color: var(--err-bg); }
.k-edit .hk { background: var(--wait-bg); color: var(--wait); }
.k-money .hk { background: var(--ok-bg); color: var(--ok); }
.k-add .hk { background: var(--work-bg); color: var(--work); }
.k-staff .hk { color: var(--violet); }
@media (max-width: 560px) {
  .hist-row { grid-template-columns: 40px 1fr; }
  .hist-row .hk { grid-column: 2; justify-self: start; }
  .hist-row .ht { grid-column: 1 / -1; }
}
.chat-steps { margin: 12px 0; padding-left: 20px; display: flex; flex-direction: column; gap: 14px; }
.chat-steps li > div, .chat-steps li > button { margin-top: 6px; }
.chat-steps li.done > b::after { content: " ✓"; color: var(--ok); }
.chat-steps code { font-family: var(--mono); font-size: 12px; background: var(--sunken); padding: 1px 5px; border-radius: 4px; overflow-wrap: anywhere; }
.chat-hook { margin-top: 10px; } .chat-hook summary { cursor: pointer; font-size: 13px; }