/* Layout: a purchase ledger. Entry form beside a dark "receipt" that totals live; the saved ledger and per-product summary sit underneath. */
:root {
  --bg: #f1f5f4;
  --surface: #ffffff;
  --sunk: #e8eeed;
  --ink: #13211f;
  --muted: #586966;
  --line: #d3dcda;
  --accent: #0d6a61;
  --accent-ink: #ffffff;
  --slip: #0f3b37;
  --slip-ink: #eaf4f2;
  --slip-muted: #9fc0bb;
  --slip-line: #24554f;
  --ok: #1c7a45;
  --ok-bg: #dcf1e3;
  --warn: #8a5a06;
  --warn-bg: #fbe9c5;
  --bad: #a3271d;
  --bad-bg: #f9dbd7;
  --display: "Readex Pro", "IBM Plex Sans Arabic", Tahoma, sans-serif;
  --body: "IBM Plex Sans Arabic", Tahoma, "Segoe UI", sans-serif;
  --r: 10px;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #0d1413; --surface: #151f1e; --sunk: #1b2826; --ink: #e5eeec; --muted: #94a7a3;
    --line: #2a3936; --accent: #4cc2b1; --accent-ink: #06211e; --slip: #1a2d2a; --slip-ink: #e5eeec;
    --slip-muted: #94b3ae; --slip-line: #2f4a45; --ok: #6fd79a; --ok-bg: #173524; --warn: #f0c267;
    --warn-bg: #3b2e10; --bad: #f29a90; --bad-bg: #40201c; color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #0d1413; --surface: #151f1e; --sunk: #1b2826; --ink: #e5eeec; --muted: #94a7a3;
  --line: #2a3936; --accent: #4cc2b1; --accent-ink: #06211e; --slip: #1a2d2a; --slip-ink: #e5eeec;
  --slip-muted: #94b3ae; --slip-line: #2f4a45; --ok: #6fd79a; --ok-bg: #173524; --warn: #f0c267;
  --warn-bg: #3b2e10; --bad: #f29a90; --bad-bg: #40201c; color-scheme: dark;
}
* { box-sizing: border-box; }
body { background: var(--bg); color: var(--ink); font-family: var(--body); font-size: 15px; line-height: 1.6; }
.page { max-width: 1120px; margin-inline: auto; padding-inline: 16px; padding-block: 24px 48px; display: flex; flex-direction: column; gap: 28px; }
h1, h2 { font-family: var(--display); margin: 0; text-wrap: balance; line-height: 1.3; }
h1 { font-size: 1.6rem; font-weight: 700; }
h2 { font-size: 1.1rem; font-weight: 600; }
.lede { margin: 4px 0 0; color: var(--muted); }
.num { font-variant-numeric: tabular-nums; direction: ltr; unicode-bidi: isolate; }

.work { display: grid; grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr); gap: 20px; align-items: start; }
@media (max-width: 820px) { .work { grid-template-columns: minmax(0, 1fr); } }

.form { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 20px; display: flex; flex-direction: column; gap: 18px; min-width: 0; }
fieldset { border: 0; margin: 0; padding: 0; min-width: 0; display: flex; flex-direction: column; gap: 10px; }
legend { padding: 0; font-family: var(--display); font-weight: 600; font-size: .85rem; color: var(--accent); margin-bottom: 8px; }
.fields { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; }
.field { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.field label { font-size: .82rem; color: var(--muted); }
.field input { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; min-height: 42px; }
.field input:focus-visible, button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.field input[data-num] { font-variant-numeric: tabular-nums; }
.field.minus label::after { content: " (ينخصم)"; color: var(--ok); }
.actions { display: flex; flex-wrap: wrap; gap: 10px; align-items: center; }
button { font: inherit; cursor: pointer; border-radius: 8px; border: 1px solid var(--line); background: var(--surface); color: var(--ink); padding: 8px 14px; min-height: 40px; }
button.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); font-weight: 600; padding-inline: 22px; }
button:disabled { opacity: .5; cursor: not-allowed; }
button.small { min-height: 32px; padding: 3px 10px; font-size: .82rem; }
button.danger { color: var(--bad); }
button.danger.armed { background: var(--bad-bg); border-color: var(--bad); font-weight: 600; }
.mini { display: none; background: var(--sunk); border-radius: 8px; padding: 8px 12px; }
.mini b { color: var(--accent); font-size: 1.15rem; }
@media (max-width: 820px) { .mini { display: block; } }
.msg { font-size: .88rem; color: var(--muted); min-height: 1.4em; }
.msg.bad { color: var(--bad); } .msg.ok { color: var(--ok); }

.slip { background: var(--slip); color: var(--slip-ink); border-radius: var(--r); padding: 22px; position: sticky; top: calc(env(safe-area-inset-top, 0px) + 12px); display: flex; flex-direction: column; gap: 16px; min-width: 0; }
@media (max-width: 820px) { .slip { position: static; } }
.slip .cap { font-size: .85rem; color: var(--slip-muted); }
.slip .big { font-family: var(--display); font-weight: 700; font-size: 2.9rem; line-height: 1.1; display: flex; align-items: baseline; gap: 8px; flex-wrap: wrap; }
.slip .big small { font-size: 1rem; font-weight: 500; color: var(--slip-muted); }
.lines { display: flex; flex-direction: column; margin: 0; padding: 0; list-style: none; }
.lines li { display: flex; justify-content: space-between; gap: 12px; padding: 6px 0; border-bottom: 1px dashed var(--slip-line); font-size: .92rem; }
.lines li span:first-child { color: var(--slip-muted); }
.lines li.sum { border-bottom: 0; border-top: 2px solid var(--slip-line); margin-top: 4px; padding-top: 10px; font-weight: 600; font-size: 1rem; }
.lines li.sum span:first-child { color: var(--slip-ink); }
.note { font-size: .88rem; border-radius: 8px; padding: 8px 12px; background: var(--warn-bg); color: var(--warn); }

.head { display: flex; flex-wrap: wrap; gap: 12px; align-items: center; justify-content: space-between; margin-bottom: 12px; }
.head .tools { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.head input { font: inherit; color: var(--ink); background: var(--surface); border: 1px solid var(--line); border-radius: 8px; padding: 7px 11px; min-height: 40px; width: 200px; max-width: 100%; }
.scroll { overflow-x: auto; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); }
table { border-collapse: collapse; width: 100%; font-size: .9rem; }
th, td { padding: 10px 12px; text-align: start; white-space: nowrap; border-bottom: 1px solid var(--line); }
th { font-weight: 600; font-size: .8rem; color: var(--muted); background: var(--sunk); }
td.n, th.n { text-align: end; }
td.n { font-variant-numeric: tabular-nums; }
td.unit { font-weight: 600; color: var(--accent); }
tbody tr:last-child td { border-bottom: 0; }
tfoot td { background: var(--sunk); font-weight: 600; border-top: 2px solid var(--line); border-bottom: 0; }
tr.editing td { background: var(--warn-bg); }
.pill { display: inline-block; border-radius: 99px; padding: 1px 9px; font-size: .78rem; font-weight: 600; background: var(--warn-bg); color: var(--warn); }
.rowact { display: flex; gap: 6px; justify-content: flex-end; }
.empty { padding: 28px 16px; text-align: center; color: var(--muted); }
.foot { font-size: .82rem; color: var(--muted); }
@media (prefers-reduced-motion: no-preference) { .slip .big { transition: opacity .15s; } }

html { -webkit-text-size-adjust: 100%; }
body { margin: 0; }
[hidden] { display: none !important; }
.top { display: flex; flex-wrap: wrap; gap: 12px 20px; align-items: center; justify-content: space-between; }
.tabs { display: flex; flex-wrap: wrap; gap: 6px; }
.tabs a { text-decoration: none; color: var(--muted); padding: 7px 14px; border-radius: 99px; border: 1px solid transparent; font-weight: 500; }
.tabs a:hover { color: var(--ink); border-color: var(--line); }
.tabs a.on { background: var(--accent); color: var(--accent-ink); }
.tabs a:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.userbar { display: flex; gap: 10px; align-items: center; color: var(--muted); font-size: .9rem; }
.userbar form { margin: 0; }
.field select { width: 100%; font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 9px 11px; min-height: 42px; }
.hint { font-size: .8rem; color: var(--muted); min-height: 1.3em; }
.hint.warn { color: var(--warn); }
.lines li.sub { font-size: .82rem; }
.slip .pair { display: grid; grid-template-columns: repeat(auto-fit, minmax(110px, 1fr)); gap: 10px; }
.slip .pair div { background: var(--slip-line); border-radius: 8px; padding: 8px 10px; }
.slip .pair .cap { font-size: .75rem; }
.slip .pair b { font-size: 1.05rem; }
.slip .big.loss { color: var(--bad-bg); }
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(170px, 1fr)); gap: 12px; }
.tile { background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; min-width: 0; }
.tile .cap { font-size: .82rem; color: var(--muted); }
.tile .v { font-family: var(--display); font-weight: 700; font-size: 1.45rem; }
.tile.key { background: var(--slip); border-color: var(--slip); color: var(--slip-ink); }
.tile.key .cap { color: var(--slip-muted); }
td.neg, .neg { color: var(--bad); }
td.pos { color: var(--ok); font-weight: 600; }
button.sort { background: none; border: 0; padding: 0; min-height: 0; font: inherit; font-weight: 600; color: inherit; cursor: pointer; display: inline-flex; gap: 4px; align-items: center; }
button.sort.on { color: var(--accent); }
button.sort .arrow { font-size: .65rem; }
.filters { display: flex; flex-wrap: wrap; gap: 10px; align-items: end; background: var(--surface); border: 1px solid var(--line); border-radius: var(--r); padding: 14px 16px; }
.filters .field { flex: 0 1 170px; }
.filters .quick { display: flex; flex-wrap: wrap; gap: 6px; }
.settings summary { cursor: pointer; color: var(--muted); font-size: .9rem; margin-bottom: 12px; }
.gate { max-width: 460px; margin-inline: auto; padding-inline: 16px; padding-block: 8vh 48px; display: flex; flex-direction: column; gap: 18px; }
.gate .fields { grid-template-columns: minmax(0, 1fr); }
.alert { border-radius: 8px; padding: 9px 12px; background: var(--bad-bg); color: var(--bad); font-size: .9rem; overflow-wrap: anywhere; }
.stack { display: flex; flex-direction: column; gap: 28px; }

.balance { display: flex; flex-direction: column; text-decoration: none; background: var(--slip); color: var(--slip-ink); border-radius: var(--r); padding: 6px 16px; line-height: 1.35; }
.balance .cap { font-size: .72rem; color: var(--slip-muted); }
.balance b { font-family: var(--display); font-size: 1.15rem; }
.balance b.neg { color: var(--bad-bg); }
.balance:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.slip .big.neg { color: var(--bad-bg); }
.opening summary { cursor: pointer; font-weight: 500; margin-bottom: 12px; }
.pill.in { background: var(--ok-bg); color: var(--ok); }

.seg { display: inline-flex; align-self: flex-start; border: 1px solid var(--line); border-radius: 99px; padding: 3px; background: var(--surface); gap: 2px; }
.seg button { border: 0; border-radius: 99px; background: none; color: var(--muted); min-height: 36px; padding: 4px 16px; }
.seg button.on { background: var(--accent); color: var(--accent-ink); font-weight: 600; }
.inv-table td { padding: 6px 4px; vertical-align: middle; }
.inv-table th { padding: 10px 6px; }
.inv-table td.n { padding-inline: 8px; }
.inv-table td.c { text-align: center; }
.inv-table input[type="checkbox"] { width: 18px; height: 18px; accent-color: var(--accent); }
input.cell { font: inherit; color: var(--ink); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; padding: 7px 9px; min-height: 38px; width: 100%; min-width: 68px; font-variant-numeric: tabular-nums; }
input.cell.wide { min-width: 170px; }
input.cell:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.mini.show { display: block; }