:root{
  --blue:#1f4e79; --blue2:#2d6fa8; --green:#1f6e2a; --red:#8a0000; --orange:#b35c00;
  --line:#d4d9e0; --bg:#eef1f5; --card:#fff; --head:#e8edf3; --paid:#e3f4e1; --unpaid:#fdeaea;
  --pend:#fff1dc; --yellow:#fff2cc; --amber:#ffc000;
}
*{box-sizing:border-box}
html,body{height:100%}
body{margin:0;background:var(--bg);color:#1a1a1a;font:14px "Segoe UI",Tahoma,sans-serif;
  display:flex;flex-direction:column;overflow:hidden}
button,input,select{font:inherit;color:inherit}
.hidden{display:none !important}

/* ---------- الشريط العلوي ---------- */
.topbar{display:flex;align-items:center;gap:14px;background:var(--blue);color:#fff;padding:0 14px;
  min-height:52px;box-shadow:0 2px 6px #0003;z-index:5}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;font-size:16px}
.brand img{width:30px;height:30px;border-radius:6px;background:#fff}
.tabs{display:flex;gap:2px;flex:1;overflow-x:auto}
.tab-btn{background:transparent;border:0;color:#cfe0f0;padding:15px 16px;cursor:pointer;
  border-bottom:3px solid transparent;white-space:nowrap;font-size:14.5px}
.tab-btn:hover{color:#fff;background:#ffffff14}
.tab-btn.active{color:#fff;border-bottom-color:var(--amber);font-weight:700}
.topright{display:flex;gap:6px;align-items:center}
.btn-install{background:var(--amber);color:#3a2b00;border:0;font-weight:700}
.btn-ghost{background:#ffffff22;color:#fff;border:1px solid #ffffff44}
.topbar .btn{padding:7px 12px;border-radius:6px;cursor:pointer}

/* ---------- التبويبات ---------- */
main{flex:1;overflow:hidden;position:relative}
.tab{position:absolute;inset:0;display:flex;flex-direction:column;padding:10px 12px;gap:8px;overflow:auto}

/* ---------- الأدوات ---------- */
.toolbar{display:flex;flex-wrap:wrap;gap:8px;align-items:center;background:var(--card);
  padding:9px 10px;border:1px solid var(--line);border-radius:8px}
.toolbar.tight{padding:6px 8px}
.toolbar .spacer{flex:1}
.sect{color:var(--blue);font-size:15px}
.hint{color:#777;font-size:12px;margin:4px 0 0}
label.f{display:flex;align-items:center;gap:4px;color:#555;font-size:13px}
input,select{border:1px solid #b9c2cc;border-radius:6px;padding:6px 8px;background:#fff}
input:focus,select:focus{outline:2px solid var(--blue2);outline-offset:-1px;border-color:var(--blue2)}
input.num{text-align:center}
input.ltr{direction:ltr;text-align:left}
.grow{flex:1;min-width:160px}
.grow2{flex:2;min-width:220px}
.btn{background:#f4f6f9;border:1px solid #b9c2cc;border-radius:6px;padding:7px 12px;cursor:pointer;
  white-space:nowrap}
.btn:hover{background:#e7ecf3}
.btn-primary{background:var(--blue);color:#fff;border-color:var(--blue);font-weight:600}
.btn-primary:hover{background:var(--blue2)}
.btn.wide{display:block;width:100%;margin-top:6px}
.btn.sm{padding:3px 8px;font-size:12.5px}

/* ---------- الجداول ---------- */
.tablewrap{flex:1;min-height:120px;overflow:auto;background:var(--card);border:1px solid var(--line);
  border-radius:8px}
.tablewrap.tall{min-height:260px}
table.grid{border-collapse:separate;border-spacing:0;width:100%;font-size:13.5px}
table.grid th{position:sticky;top:0;background:var(--head);color:#223;font-weight:700;z-index:1;
  padding:9px 6px;border-bottom:1px solid var(--line);white-space:nowrap}
table.grid td{padding:6px;border-bottom:1px solid #eceff3;text-align:center}
table.grid th.wide,table.grid td.wide{text-align:right;white-space:normal;unicode-bidi:plaintext}
table.grid th.acts{width:1%}
table.grid tbody tr:hover{background:#f0f6ff}
tr.paid{background:var(--paid)}tr.unpaid{background:var(--unpaid)}tr.pend{background:var(--pend)}
tr.sel{outline:2px solid var(--blue2);outline-offset:-2px}
.acts{white-space:nowrap}
.acts .btn{margin:0 1px}
.red{color:var(--red)}.green{color:var(--green)}.orange{color:var(--orange)}
.summary{background:var(--card);border:1px solid var(--line);border-radius:8px;padding:8px 12px;
  font-weight:700;display:flex;gap:18px;flex-wrap:wrap}
.summary .muted{font-weight:400;color:#777}

/* ---------- النماذج ---------- */
.formhead{display:flex;align-items:center;justify-content:space-between;gap:10px;flex-wrap:wrap}
.formhead h2{margin:0;font-size:17px;color:var(--green)}
.formhead h2.edit{color:var(--orange)}
.formhead>div{display:flex;gap:6px;flex-wrap:wrap}
.cols{display:flex;gap:10px;align-items:flex-start;flex-wrap:wrap;flex:1;min-height:0}
.col{flex:1;min-width:330px;display:flex;flex-direction:column;gap:8px}
.col.narrow{flex:0 0 290px;min-width:260px}
fieldset{border:1px solid var(--line);border-radius:8px;background:var(--card);padding:10px 12px;margin:0}
legend{color:var(--blue);font-weight:700;padding:0 6px}
label{display:flex;flex-direction:column;gap:3px;font-size:13px;color:#445}
.row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.row:last-child{margin-bottom:0}
.row.inline{align-items:center}
.row.inline label{flex-direction:row;align-items:center;gap:6px}
.group{display:flex;align-items:center;gap:8px;background:#f7f9fc;border:1px solid var(--line);
  border-radius:6px;padding:4px 8px}
label.radio{flex-direction:row;align-items:center;gap:5px;cursor:pointer;font-size:13.5px;color:#223}
.checks{display:grid;grid-template-columns:repeat(auto-fill,minmax(165px,1fr));gap:4px 10px}
.details{display:grid;grid-template-columns:auto 1fr;gap:4px 8px;align-items:center}
.details span{font-weight:600;font-size:12.5px;color:#334;white-space:nowrap;
  unicode-bidi:plaintext;text-align:right}
label.hl input{background:var(--yellow);font-weight:700;font-size:15px;border-color:#caa94a}
input.big{font-size:17px;font-weight:700;text-align:center}
.totals{display:flex;gap:20px;margin:6px 0;font-size:15px}
.totals b{font-size:17px}
.words{background:var(--yellow);border:1px solid #e3cf8a;border-radius:6px;padding:6px 8px;
  color:var(--red);font-weight:700;font-size:12.5px;min-height:30px}
.mode{font-weight:700;margin:8px 0 2px}

/* ---------- جدول الأصناف ---------- */
table.sheet td{padding:0;border-left:1px solid #e6e9ee}
table.sheet input{border:0;border-radius:0;width:100%;padding:5px 4px;text-align:center;background:transparent}
table.sheet input:focus{outline:2px solid var(--blue2);outline-offset:-2px;background:#fffbe9}
table.sheet td.wide input{text-align:right}
table.sheet th.hl2{background:var(--amber)}
table.sheet td.n{background:#f4f6f9;color:#667;font-size:12px;width:34px}
table.sheet td.mg{background:#fffdf5;font-weight:700;font-size:12.5px;width:78px}
table.sheet tr.blank td{background:#f9fafc}
table.sheet tr:focus-within td.n{background:var(--blue);color:#fff;font-weight:700}

/* ---------- الاقتراحات ---------- */
.suggest{position:fixed;z-index:50;background:#fff;border:1px solid var(--blue2);border-radius:6px;
  box-shadow:0 6px 18px #0003;max-height:260px;overflow:auto;min-width:320px}
.suggest div{padding:6px 10px;cursor:pointer;display:flex;gap:12px;font-size:13.5px}
.suggest div b{color:var(--blue);min-width:86px}
.suggest div.on,.suggest div:hover{background:var(--blue);color:#fff}
.suggest div.on b,.suggest div:hover b{color:#fff}

/* ---------- نوافذ ---------- */
dialog.dlg{border:0;border-radius:10px;box-shadow:0 20px 60px #0005;padding:16px;width:min(720px,94vw)}
dialog.dlg.big{width:min(1180px,96vw)}
dialog::backdrop{background:#0006}
dialog h3{margin:0 0 10px;color:var(--blue)}
dialog menu{display:flex;gap:8px;justify-content:flex-start;margin:12px 0 0;padding:0}
#pvFrame{width:100%;height:72vh;border:1px solid var(--line);border-radius:6px}
.vnbody{display:flex;gap:10px;height:66vh}
.vnlist{flex:1;display:flex;flex-direction:column;gap:8px;min-width:0}
#vnFrame{flex:0 0 46%;border:1px solid var(--line);border-radius:6px;background:#fafafa}

/* ---------- تنبيه ---------- */
.toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:#243;color:#fff;
  padding:11px 20px;border-radius:8px;box-shadow:0 8px 24px #0004;z-index:99;max-width:70vw;
  white-space:pre-line;text-align:center}
.toast.err{background:var(--red)}
.toast.ok{background:var(--green)}

@media (max-width:900px){
  .col.narrow{flex:1}
  .brand span{display:none}
}

.who{color:#cfe0f0;font-size:12.5px;max-width:150px;overflow:hidden;text-overflow:ellipsis;
  white-space:nowrap;border:1px solid #ffffff33;border-radius:20px;padding:4px 10px}