:root{
  --brand:#ff7900; --brand-dark:#d96500; --brand-soft:#fff3e8;
  --ink:#1d2939; --muted:#667085; --line:#e4e7ec; --bg:#f6f7f9; --card:#fff;
  --ok:#12805c; --ok-soft:#e7f6ef; --warn:#b54708; --warn-soft:#fff6e5; --bad:#c01048; --bad-soft:#fdecf2;
  --side:#111827; --side-ink:#d0d5dd; --radius:12px; --shadow:0 1px 2px rgba(16,24,40,.06),0 1px 3px rgba(16,24,40,.08);
}
*{box-sizing:border-box}
html,body{margin:0}
body{font-family:"Cairo","Tahoma","Segoe UI",sans-serif;background:var(--bg);color:var(--ink);font-size:15px;line-height:1.6}
a{color:var(--brand-dark);text-decoration:none}
a:hover{text-decoration:underline}
h1{font-size:22px;margin:0 0 4px}
h2{font-size:17px;margin:0 0 12px}
h3{font-size:15px;margin:0 0 8px}
.muted{color:var(--muted)}
.small{font-size:13px}

/* ---------- الهيكل */
.layout{display:flex;min-height:100vh}
.side{width:250px;background:var(--side);color:var(--side-ink);flex-shrink:0;position:sticky;top:0;height:100vh;overflow:auto}
.side .logo{display:flex;align-items:center;gap:10px;padding:18px 18px 14px;color:#fff;font-weight:800;font-size:18px;border-bottom:1px solid #1f2937}
.side .logo .dot{width:30px;height:30px;border-radius:8px;background:var(--brand);display:grid;place-items:center;color:#fff;font-size:16px}
.side nav{padding:10px 8px 30px}
.side .sec{font-size:11px;color:#98a2b3;margin:14px 12px 4px;letter-spacing:.3px}
.side a{display:flex;align-items:center;gap:10px;color:var(--side-ink);padding:8px 12px;border-radius:8px;font-size:14px}
.side a:hover{background:#1f2937;text-decoration:none;color:#fff}
.side a.on{background:var(--brand);color:#fff}
.side a .badge{margin-inline-start:auto}
.main{flex:1;min-width:0}
.top{background:#fff;border-bottom:1px solid var(--line);padding:12px 24px;display:flex;align-items:center;gap:12px;position:sticky;top:0;z-index:5}
.top .who{margin-inline-start:auto;text-align:left;font-size:13px;color:var(--muted)}
.top .who b{color:var(--ink)}
.menu-btn{display:none;border:1px solid var(--line);background:#fff;border-radius:8px;padding:6px 10px;font-size:18px;cursor:pointer}
.content{padding:24px;max-width:1400px}
.page-head{display:flex;align-items:flex-end;gap:12px;flex-wrap:wrap;margin-bottom:18px}
.page-head .actions{margin-inline-start:auto;display:flex;gap:8px;flex-wrap:wrap}

/* ---------- الكروت */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;margin-bottom:18px}
.grid{display:grid;gap:14px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.kpi{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.kpi .l{font-size:13px;color:var(--muted)}
.kpi .v{font-size:26px;font-weight:800;margin-top:2px}
.kpi .s{font-size:12px;color:var(--muted)}
.kpi.accent{border-top:3px solid var(--brand)}
.kpi a.stretch{position:absolute;inset:0}
.tiles{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:12px}
.tile{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:18px 12px;text-align:center;color:var(--ink);box-shadow:var(--shadow);font-weight:700}
.tile:hover{border-color:var(--brand);text-decoration:none}
.tile .ic{font-size:28px;display:block;margin-bottom:6px}

/* ---------- الجداول */
.table-wrap{overflow:auto;border:1px solid var(--line);border-radius:10px;background:#fff}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:9px 12px;border-bottom:1px solid var(--line);text-align:right;white-space:nowrap}
th{background:#f9fafb;color:#475467;font-weight:700;font-size:13px;position:sticky;top:0}
tbody tr:hover{background:#fcfcfd}
tfoot td{font-weight:800;background:var(--brand-soft)}
td.num,th.num{text-align:left;font-variant-numeric:tabular-nums}
td.wrap{white-space:normal;min-width:200px}

/* ---------- الشارات */
.badge{display:inline-block;padding:1px 9px;border-radius:999px;font-size:12px;font-weight:700;background:#f2f4f7;color:#344054}
.b-ok{background:var(--ok-soft);color:var(--ok)}
.b-warn{background:var(--warn-soft);color:var(--warn)}
.b-bad{background:var(--bad-soft);color:var(--bad)}
.b-brand{background:var(--brand);color:#fff}

/* ---------- النماذج */
label{display:block;font-size:13px;font-weight:700;color:#344054;margin-bottom:4px}
input,select,textarea{width:100%;font:inherit;padding:9px 11px;border:1px solid #d0d5dd;border-radius:8px;background:#fff;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-soft);border-color:var(--brand)}
input[type=checkbox]{width:auto}
.field{margin-bottom:12px}
.row{display:flex;gap:12px;flex-wrap:wrap}
.row>.field{flex:1;min-width:160px}
.check{display:flex;align-items:center;gap:8px;font-weight:600}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid transparent;background:var(--brand);color:#fff;padding:9px 16px;border-radius:8px;font:inherit;font-weight:700;cursor:pointer;text-decoration:none!important;white-space:nowrap}
.btn:hover{background:var(--brand-dark)}
.btn.sec{background:#fff;color:var(--ink);border-color:#d0d5dd}
.btn.sec:hover{background:#f9fafb}
.btn.ok{background:var(--ok)}
.btn.bad{background:var(--bad)}
.btn.sm{padding:5px 10px;font-size:13px}
.btn.lg{padding:14px 22px;font-size:17px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}
.inline{display:inline}
.filters{display:flex;gap:10px;flex-wrap:wrap;align-items:flex-end;margin-bottom:14px}
.filters .field{margin:0;min-width:150px}

/* ---------- الرسائل */
.flash{padding:10px 14px;border-radius:10px;margin-bottom:12px;font-weight:600}
.flash.ok{background:var(--ok-soft);color:var(--ok)}
.flash.error{background:var(--bad-soft);color:var(--bad)}
.note{background:var(--warn-soft);color:var(--warn);padding:10px 14px;border-radius:10px;font-size:14px}
.hint{background:#eff8ff;color:#175cd3;padding:10px 14px;border-radius:10px;font-size:14px}

/* ---------- شاشة الدخول */
.auth{min-height:100vh;display:grid;place-items:center;padding:20px;background:linear-gradient(135deg,#111827 0%,#1f2937 55%,#ff7900 160%)}
.auth .box{background:#fff;border-radius:16px;padding:30px;width:100%;max-width:400px;box-shadow:0 20px 50px rgba(0,0,0,.3)}
.auth .brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.auth .brand .dot{width:42px;height:42px;border-radius:10px;background:var(--brand);display:grid;place-items:center;color:#fff;font-weight:800;font-size:20px}

/* ---------- سطور الفواتير */
.lines .line{display:grid;gap:10px;grid-template-columns:2fr 1fr 1fr auto;align-items:end;padding:12px;border:1px solid var(--line);border-radius:10px;margin-bottom:10px;background:#fcfcfd}
.lines .line.contract{grid-template-columns:repeat(3,minmax(0,1fr))}
.lines .line .field{margin:0}
.total-bar{display:flex;justify-content:space-between;align-items:center;background:var(--ink);color:#fff;border-radius:10px;padding:14px 18px;font-size:18px;font-weight:800;margin:14px 0}

/* ---------- الحضور */
.att-big{text-align:center;padding:26px 16px}
.att-big .state{font-size:15px;color:var(--muted);margin-bottom:12px}
.att-big .btn{min-width:240px}
.code-show{font-size:38px;letter-spacing:8px;font-weight:800;text-align:center;background:var(--brand-soft);color:var(--brand-dark);border-radius:12px;padding:14px;margin:10px 0;font-family:monospace;direction:ltr}

/* ---------- التابات */
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:16px;overflow-x:auto}
.tab{background:none;border:0;border-bottom:3px solid transparent;padding:10px 16px;font:inherit;font-weight:700;color:var(--muted);cursor:pointer;white-space:nowrap}
.tab:hover{color:var(--ink)}
.tab.on{color:var(--brand-dark);border-bottom-color:var(--brand)}

/* ---------- القوايم المنسدلة (details) */
details.dd{border:1px solid var(--line);border-radius:12px;background:#fff;margin-top:10px;overflow:hidden}
details.dd>summary{list-style:none;cursor:pointer;display:grid;grid-template-columns:1fr auto;gap:2px 12px;padding:14px 18px;background:linear-gradient(90deg,var(--brand-soft),#fff)}
details.dd>summary::-webkit-details-marker{display:none}
details.dd>summary::after{content:"▾";grid-row:1/3;grid-column:3;align-self:center;font-size:18px;color:var(--brand-dark);transition:transform .2s}
details.dd[open]>summary::after{transform:rotate(180deg)}
.dd-title{font-weight:800;font-size:16px}
.dd-total{grid-row:1/3;grid-column:2;align-self:center;font-size:26px;font-weight:800;color:var(--brand-dark)}
.dd-sub{font-size:13px;color:var(--muted)}
details.dd .table-wrap{border:0;border-top:1px solid var(--line);border-radius:0}
tr.low td{background:#fff8f8}

/* ---------- الطباعة */
.print-only{display:none}
@media print{
  .side,.top,.no-print,.filters,.page-head .actions,.flash{display:none!important}
  .print-only{display:block}
  .content{padding:0;max-width:none}
  .card,.table-wrap{border:0;box-shadow:none;padding:0}
  body{background:#fff;font-size:12px}
  th{background:#eee!important;-webkit-print-color-adjust:exact;print-color-adjust:exact}
  th,td{padding:4px 6px}
}

/* ---------- الموبايل */
@media (max-width:900px){
  .side{position:fixed;top:0;bottom:0;right:0;left:auto;transform:translateX(100%);transition:transform .2s;z-index:20;width:270px}
  .side.open{transform:none}
  .menu-btn{display:inline-block}
  .content{padding:16px}
  .g3,.g4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .g2{grid-template-columns:1fr}
  .lines .line,.lines .line.contract{grid-template-columns:1fr 1fr}
  .top{padding:10px 16px}
}
@media (max-width:520px){
  .g3,.g4{grid-template-columns:1fr 1fr}
  .kpi .v{font-size:21px}
  .lines .line,.lines .line.contract{grid-template-columns:1fr}
}

/* ---------- سكانر الباركود والبحث في المخزون */
.scan-modal{position:fixed;inset:0;background:rgba(0,0,0,.7);z-index:100;display:flex;align-items:center;justify-content:center;padding:12px}
.scan-card{background:var(--card);border-radius:var(--radius);width:100%;max-width:480px;padding:12px}
.scan-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:8px}
#scan-view{width:100%;min-height:220px;background:#000;border-radius:8px;overflow:hidden}
#scan-view video{width:100%!important;height:auto!important}
.scan-last{margin-top:8px;padding:8px;border-radius:8px;word-break:break-all}
.scan-last.ok{background:var(--ok-soft);color:var(--ok)}
.scan-last.bad{background:var(--bad-soft);color:var(--bad)}
.scan-count{font-weight:700;font-size:18px;margin-top:6px;text-align:center}
.pick-list{display:flex;flex-direction:column;gap:6px;margin-top:8px;max-height:320px;overflow:auto}
.pick-list .pick{display:flex;gap:10px;align-items:center;flex-wrap:wrap;text-align:right;background:var(--brand-soft);border:1px solid var(--line);border-radius:8px;padding:8px 10px;cursor:pointer;font:inherit}
.pick-list .pick:hover{border-color:var(--brand)}
.lines .line.picked{outline:2px solid var(--ok);border-radius:8px;transition:outline-color 1s}