/* حاسبة فائدة السوبيرات — mobile-first, RTL */
/* أي عنصر عليه hidden لازم يختفي مهما كانت قواعد العرض (مثل .scanner اللي فيه display:flex) */
[hidden] { display: none !important; }
* { box-sizing: border-box; }
:root {
  --green: #166534; --green-soft: #dcfce7; --amber: #b45309; --amber-soft: #fef3c7;
  --red: #b91c1c; --red-soft: #fee2e2; --ink: #1f2937; --muted: #6b7280;
  --line: #e5e7eb; --card: #fff; --bg: #f3f4f6;
}
html { -webkit-text-size-adjust: 100%; }
body { margin: 0; font-family: system-ui, -apple-system, "Segoe UI", Tahoma, Arial, sans-serif;
  background: var(--bg); color: var(--ink); direction: rtl; }
h1 { font-size: 1.1rem; margin: 0; }
h2 { font-size: 1.05rem; margin: .2rem 0 .6rem; }
button { font-family: inherit; cursor: pointer; }
input, select { font-family: inherit; font-size: 1rem; padding: .55rem .6rem;
  border: 1px solid var(--line); border-radius: 10px; background: #fff; width: 100%; }
input:focus, select:focus { outline: 2px solid var(--green); outline-offset: 0; }
input[type=number] { text-align: left; direction: ltr; }

.topbar { position: sticky; top: 0; z-index: 40; display: flex; align-items: center; gap: .6rem;
  background: var(--green); color: #fff; padding: .7rem .9rem; }
.topbar h1 { flex: 1; }
.sync { font-size: .8rem; opacity: .9; }
.icon-btn { background: transparent; border: 0; color: inherit; font-size: 1.3rem; padding: .2rem .4rem; }
.sidebar { position: fixed; inset: 0 auto 0 0; width: min(84vw, 320px); background: #fff; z-index: 60;
  transform: translateX(-105%); transition: transform .2s; padding: 1rem; overflow-y: auto;
  box-shadow: 0 0 30px rgba(0,0,0,.25); display: flex; flex-direction: column; gap: .4rem; }
[dir=rtl] .sidebar { inset: 0 0 0 auto; transform: translateX(105%); }
.sidebar.open { transform: translateX(0); }
.sidebar .close { align-self: flex-start; color: var(--ink); }
.side-title { font-weight: 700; font-size: 1.05rem; margin-bottom: .4rem; }
.side-link { display: flex; justify-content: space-between; align-items: center; padding: .7rem .6rem;
  border-radius: 10px; text-decoration: none; color: var(--ink); font-weight: 600; }
.side-link.active, .side-link:hover { background: var(--green-soft); }
.badge { background: var(--red); color: #fff; border-radius: 999px; padding: .1rem .5rem; font-size: .75rem; }
.badge.amber { background: var(--amber); }
.side-stats { border-top: 1px solid var(--line); margin-top: .6rem; padding-top: .6rem;
  display: grid; gap: .35rem; font-size: .9rem; color: var(--muted); }
.side-stats b { color: var(--ink); }
.expenses-btn { margin-top: .8rem; background: #fff7ed; border: 1px solid #fdba74; color: #7c2d12;
  border-radius: 10px; padding: .7rem; font-weight: 700; text-align: right; }
.side-foot { margin-top: auto; padding-top: 1rem; font-size: .75rem; color: var(--muted); }
.overlay { position: fixed; inset: 0; background: rgba(0,0,0,.4); z-index: 55; }

main { padding: .8rem; max-width: 860px; margin: 0 auto; padding-bottom: 6rem; }
.tab { display: none; }
.tab.active { display: block; }
.fatal { background: var(--red-soft); border: 1px solid #fca5a5; color: var(--red);
  border-radius: 12px; padding: 1rem; margin-bottom: .8rem; font-weight: 600; line-height: 1.7; }

.summary-card { background: linear-gradient(135deg, #166534, #15803d); color: #fff;
  border-radius: 16px; padding: 1rem; margin-bottom: .8rem; }
.summary-card .big { font-size: 1.7rem; font-weight: 800; }
.summary-card .lbl { opacity: .85; font-size: .9rem; }
.summary-card .grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: .5rem; margin-top: .7rem; }
.summary-card .cell { background: rgba(255,255,255,.14); border-radius: 10px; padding: .55rem .7rem; }
.summary-card .cell b { display: block; font-size: 1.05rem; }
.summary-card .rowline { display: flex; justify-content: space-between; gap: .5rem;
  margin-top: .5rem; font-size: .9rem; flex-wrap: wrap; }
.summary-card .exp-side { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: .6rem;
  background: rgba(0,0,0,.18); border-radius: 10px; padding: .55rem .7rem; font-size: .92rem; }
.summary-card .exp-side b { color: #fde68a; }

.search-row { display: flex; gap: .5rem; margin: .6rem 0; }
.search-row input { flex: 1; }
.scan-btn { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: .4rem .8rem; white-space: nowrap; }
.chips { display: flex; gap: .4rem; flex-wrap: wrap; margin-bottom: .6rem; }
.chip { background: #fff; border: 1px solid var(--line); border-radius: 999px; padding: .4rem .9rem; }
.chip.on { background: var(--green); color: #fff; border-color: var(--green); }
.chip-select { width: auto; border-radius: 999px; padding: .35rem .6rem; }

.cards { display: grid; gap: .7rem; }
.card { background: var(--card); border: 2px solid var(--line); border-radius: 14px; padding: .8rem .9rem; }
.card h3, .card .pname { font-size: 1.02rem; font-weight: 700; margin: 0;
  overflow-wrap: anywhere; word-break: normal; line-height: 1.5; }
.card.frame-green { border: 3px solid #16a34a; }
.card.frame-amber { border: 3px solid #f59e0b; }
.status-badge { display: inline-block; font-size: .75rem; font-weight: 700; border-radius: 999px;
  padding: .1rem .55rem; margin-inline-start: .4rem; vertical-align: middle; }
.status-badge.green { background: var(--green-soft); color: var(--green); }
.status-badge.amber { background: var(--amber-soft); color: var(--amber); }
.margin { font-size: 1.45rem; font-weight: 800; line-height: 1.2; }
.margin.m-lt10 { color: var(--red); } .margin.m-10 { color: #ea580c; }
.margin.m-15 { color: #ca8a04; } .margin.m-20 { color: #15803d; } .margin.m-25 { color: #166534; }
.margin.m-none { color: var(--muted); font-size: 1rem; }
.prices { display: flex; gap: 1rem; flex-wrap: wrap; color: var(--muted); font-size: .92rem; margin-top: .2rem; }
.prices b { color: var(--ink); }
.lastbuy { display: inline-flex; align-items: center; gap: .3rem; background: var(--green-soft);
  color: var(--green); border-radius: 999px; padding: .15rem .6rem; font-size: .8rem;
  font-weight: 700; margin-top: .45rem; }
.lastbuy.none { background: #f3f4f6; color: var(--muted); }
.barcode-chip { display: inline-block; background: #eef2ff; color: #3730a3; border-radius: 999px;
  padding: .1rem .55rem; font-size: .78rem; margin-top: .45rem; margin-inline-start: .4rem; }
.arrow-up { color: var(--red); font-weight: 800; }
.arrow-down { color: #15803d; font-weight: 800; }
.meta { font-size: .85rem; color: var(--muted); margin-top: .3rem; line-height: 1.7; }
.actions { display: flex; gap: .4rem; flex-wrap: wrap; margin-top: .6rem; }
.btn { background: #fff; border: 1px solid var(--line); border-radius: 10px; padding: .5rem .9rem; font-weight: 600; }
.btn.primary { background: var(--green); color: #fff; border-color: var(--green); }
.btn.danger { background: var(--red-soft); color: var(--red); border-color: #fca5a5; }
.btn.blue { background: #dbeafe; color: #1d4ed8; border-color: #93c5fd; }
.btn.small { padding: .3rem .6rem; font-size: .88rem; }
.btn:disabled { opacity: .5; cursor: default; }

.stock-head { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .5rem; margin-bottom: .4rem; }
.stat { background: #fff; border: 1px solid var(--line); border-radius: 12px; padding: .6rem;
  font-size: .85rem; color: var(--muted); text-align: center; }
.stat b { display: block; font-size: 1.05rem; color: var(--ink); margin-top: .2rem; }
.stat.btn { cursor: pointer; }
.stat.btn.on { background: var(--red-soft); border-color: #fca5a5; color: var(--red); }
.stock-btns { display: flex; gap: .35rem; flex-wrap: wrap; margin-top: .5rem; }
.stock-btns .btn { padding: .4rem .7rem; }
.inline-edit { display: flex; gap: .4rem; align-items: center; margin-top: .4rem; }
.inline-edit input { width: 7.5rem; }
.inline-edit label { font-size: .85rem; color: var(--muted); white-space: nowrap; }

.form-card { margin-bottom: .8rem; }
.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; margin-bottom: .6rem; }
.form-grid label, .form label { font-size: .88rem; color: var(--muted); display: grid; gap: .25rem; }
.form { display: grid; gap: .6rem; }
.form .row2 { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.row { display: flex; gap: .5rem; align-items: center; flex-wrap: wrap; margin-top: .6rem; }
.inv-line { border: 1px solid var(--line); border-radius: 12px; padding: .6rem; margin-bottom: .5rem;
  display: grid; gap: .5rem; background: #fafafa; }
.inv-line .line-top { display: flex; gap: .4rem; }
.inv-line .line-top select { flex: 1; }
.inv-line .line-grid { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: .5rem; }
.inv-line .conv { font-size: .85rem; color: var(--green); font-weight: 600; }
.inv-total { font-weight: 800; font-size: 1.05rem; }
.error { background: var(--red-soft); color: var(--red); border-radius: 10px; padding: .6rem .8rem;
  margin-top: .6rem; font-weight: 600; line-height: 1.7; }
.hint { color: var(--muted); font-size: .9rem; line-height: 1.7; }
.full { width: 100%; }
.expenses-box { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: .9rem; margin-top: .9rem; }
.expenses-box .totals { display: flex; gap: 1rem; font-weight: 700; margin: .4rem 0 .6rem; flex-wrap: wrap; }
.drawer-expenses { background: #fff7ed; border: 1px solid #fdba74; border-radius: 12px; padding: .8rem; margin-top: .5rem; }

.edit-panel { background: #fff; border: 2px solid var(--green); border-radius: 14px; padding: .9rem;
  margin: .6rem 0; }
.edit-panel .lastbuy-bar { background: var(--green-soft); color: var(--green); border-radius: 10px;
  padding: .5rem .7rem; font-weight: 700; margin-bottom: .6rem; }
.toggle { display: flex; align-items: center; gap: .5rem; font-size: .95rem; color: var(--ink); }
.toggle input { width: auto; }
.warn { background: var(--amber-soft); border: 1px solid #fcd34d; color: #92400e; border-radius: 10px;
  padding: .6rem .8rem; font-size: .9rem; line-height: 1.7; margin: .5rem 0; }
.merge-list { display: grid; gap: .4rem; max-height: 220px; overflow-y: auto; }
.merge-item { display: flex; justify-content: space-between; gap: .5rem; border: 1px solid var(--line);
  border-radius: 10px; padding: .55rem .7rem; background: #fff; align-items: center; }
.similar { background: #ede9fe; color: #5b21b6; border-radius: 999px; padding: .05rem .5rem; font-size: .72rem; }

.report-sec { background: #fff; border: 1px solid var(--line); border-radius: 14px; padding: .9rem; margin-bottom: .7rem; }
.report-sec h3 { margin: 0 0 .5rem; }
.kv { display: flex; justify-content: space-between; padding: .28rem 0; border-bottom: 1px dashed var(--line); }
.kv:last-child { border-bottom: 0; }
.bar-row { display: grid; grid-template-columns: 10rem 1fr 5.5rem; gap: .5rem; align-items: center;
  font-size: .88rem; padding: .2rem 0; }
.bar-track { background: #e5e7eb; border-radius: 999px; height: .7rem; overflow: hidden; }
.bar-fill { background: #16a34a; height: 100%; }
.bar-row .nm { overflow-wrap: anywhere; }

.fab { position: fixed; bottom: 1.1rem; inset-inline-start: 1.1rem; width: 3.4rem; height: 3.4rem;
  border-radius: 50%; background: var(--green); color: #fff; border: 0; font-size: 1.6rem;
  box-shadow: 0 4px 16px rgba(0,0,0,.3); z-index: 45; }
.fab.top { inset-inline-start: auto; inset-inline-end: 1.1rem; background: #fff; color: var(--green);
  border: 1px solid var(--line); font-size: 1.3rem; width: 2.8rem; height: 2.8rem; bottom: 5rem; }

.scanner { position: fixed; inset: 0; z-index: 80; background: rgba(0,0,0,.92); display: flex;
  flex-direction: column; align-items: center; justify-content: center; gap: 1rem; color: #fff; padding: 1rem; }
.scanner video { width: min(92vw, 480px); border-radius: 12px; background: #000; }
.scan-frame { position: relative; width: min(80vw, 360px); height: 120px; border: 3px solid #22c55e;
  border-radius: 12px; overflow: hidden; }
.scan-line { position: absolute; left: 0; right: 0; height: 3px; background: #ef4444;
  animation: scan 1.6s ease-in-out infinite alternate; }
@keyframes scan { from { top: 4px; } to { top: calc(100% - 7px); } }
.toast { position: fixed; bottom: 5.2rem; left: 50%; transform: translateX(-50%); background: #111827;
  color: #fff; padding: .7rem 1.1rem; border-radius: 999px; z-index: 90; font-weight: 600;
  max-width: 92vw; text-align: center; }
.empty { text-align: center; color: var(--muted); padding: 2rem 1rem; }
@media (max-width: 520px) {
  .form-grid, .form .row2 { grid-template-columns: 1fr; }
  .inv-line .line-grid { grid-template-columns: 1fr 1fr; }
  .bar-row { grid-template-columns: 7rem 1fr 4.5rem; }
  .stock-head { grid-template-columns: 1fr 1fr; }
}