:root{
  --bg:#f4f7fb;
  --bg-alt:#ffffff;
  --surface:#ffffff;
  --surface-2:#eef3fb;
  --border:#dde5f0;
  --gold:#2563eb;
  --gold-bright:#3b82f6;
  --gold-dim:#1d4ed8;
  --ivory:#1e293b;
  --muted:#64748b;
  --green:#16a34a;
  --red:#dc2626;
  --blue:#0284c7;
}
*{box-sizing:border-box;}
body{margin:0;}
html,body{
  background:var(--bg);
  color:var(--ivory);
  font-family:'Tajawal',sans-serif;
  direction:rtl;
}
h1,h2,h3,.display{font-family:'Amiri',serif;}
::selection{background:#bfdbfe;color:#1e3a8a;}
.app{display:flex;min-height:100vh;}

/* SIDEBAR */
.sidebar{
  width:230px;flex-shrink:0;background:var(--bg-alt);
  border-left:1px solid var(--border);
  padding:22px 16px;display:flex;flex-direction:column;gap:6px;
}
.brand{display:flex;align-items:center;gap:10px;margin-bottom:22px;padding:0 6px;}
.brand-mark{
  width:36px;height:36px;border-radius:8px;
  background:linear-gradient(135deg,var(--gold-dim),var(--gold-bright));
  display:flex;align-items:center;justify-content:center;font-size:18px;flex-shrink:0;
}
.brand-text .t1{font-family:'Amiri',serif;font-weight:700;font-size:17px;color:var(--gold-bright);line-height:1.1;}
.brand-text .t2{font-size:10px;color:var(--muted);letter-spacing:1px;}
.nav-btn{
  display:flex;align-items:center;gap:10px;
  background:transparent;border:none;color:var(--muted);
  padding:11px 12px;border-radius:8px;font-family:'Tajawal',sans-serif;
  font-size:14.5px;font-weight:500;cursor:pointer;text-align:right;
  transition:.15s;width:100%;
}
.nav-btn:hover{background:var(--surface);color:var(--ivory);}
.nav-btn.active{background:var(--surface-2);color:var(--gold-bright);font-weight:700;border-right:3px solid var(--gold);}
.nav-ico{width:18px;text-align:center;font-size:15px;}

/* MAIN */
.main{flex:1;min-width:0;padding:20px 26px 60px;}

/* TICKER */
.ticker{
  position:relative;overflow:hidden;border-radius:12px;
  background:linear-gradient(120deg,#eaf2ff,#dce8ff 40%,#eaf2ff 70%);
  border:1px solid #c6dbff;
  padding:14px 20px;margin-bottom:22px;
  display:flex;gap:28px;flex-wrap:wrap;align-items:center;cursor:pointer;
}
.ticker::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,transparent 30%,rgba(37,99,235,.10) 45%,transparent 60%);
  background-size:220% 100%;
  animation:shimmer 5s linear infinite;
}
@media (prefers-reduced-motion:reduce){.ticker::before{animation:none;}}
@keyframes shimmer{0%{background-position:140% 0;}100%{background-position:-40% 0;}}
.tick-item{position:relative;z-index:1;}
.tick-label{font-size:11px;color:var(--muted);margin-bottom:2px;}
.tick-val{font-family:'Amiri',serif;font-size:20px;color:var(--gold-bright);font-weight:700;}
.tick-note{position:relative;z-index:1;margin-right:auto;font-size:12px;color:var(--muted);}

h1.page-title{font-size:24px;color:var(--gold-bright);margin:0 0 4px;}
.page-sub{color:var(--muted);font-size:13px;margin:0 0 20px;}

.grid{display:grid;gap:16px;}
.grid-4{grid-template-columns:repeat(4,1fr);}
.grid-2{grid-template-columns:repeat(2,1fr);}
@media(max-width:1000px){.grid-4{grid-template-columns:repeat(2,1fr);}.grid-2{grid-template-columns:1fr;}}

.card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:12px;padding:18px 20px;
}
.stat-card .lbl{font-size:12.5px;color:var(--muted);margin-bottom:8px;}
.stat-card .val{font-family:'Amiri',serif;font-size:26px;font-weight:700;color:var(--ivory);}
.stat-card .val.gold{color:var(--gold-bright);}
.stat-card .val.green{color:var(--green);}
.stat-card .val.red{color:var(--red);}
.stat-card .sub{font-size:11.5px;color:var(--muted);margin-top:6px;}

.card h3{margin:0 0 14px;font-size:15px;color:var(--ivory);font-weight:700;border-bottom:1px solid var(--border);padding-bottom:10px;}

.btn{
  background:var(--gold);color:#ffffff;border:none;border-radius:8px;
  padding:10px 18px;font-family:'Tajawal',sans-serif;font-weight:700;font-size:13.5px;
  cursor:pointer;transition:.15s;
}
.btn:hover{background:var(--gold-bright);}
.btn.secondary{background:var(--surface-2);color:var(--ivory);border:1px solid var(--border);}
.btn.secondary:hover{border-color:var(--gold-dim);}
.btn.danger{background:transparent;color:var(--red);border:1px solid var(--red);}
.btn.danger:hover{background:var(--red);color:#ffffff;}
.btn.small{padding:5px 10px;font-size:12px;border-radius:6px;}
.btn:disabled{opacity:0.6;cursor:not-allowed;}

label{font-size:12.5px;color:var(--muted);display:block;margin-bottom:5px;}
input,select,textarea{
  width:100%;background:var(--bg-alt);border:1px solid var(--border);color:var(--ivory);
  padding:9px 10px;border-radius:7px;font-family:'Tajawal',sans-serif;font-size:13.5px;outline:none;
}
input:focus,select:focus,textarea:focus{border-color:var(--gold);}
.field{margin-bottom:12px;}
.row{display:flex;gap:12px;flex-wrap:wrap;}
.row > .field{flex:1;min-width:130px;}

table{width:100%;border-collapse:collapse;font-size:13px;}
th{
  background:var(--surface-2);color:var(--muted);font-weight:700;text-align:right;
  padding:9px 10px;font-size:11.5px;border-bottom:1px solid var(--border);white-space:nowrap;
}
td{padding:9px 10px;border-bottom:1px solid var(--border);color:var(--ivory);white-space:nowrap;}
tr:hover td{background:rgba(37,99,235,0.04);}
.tag{padding:3px 9px;border-radius:20px;font-size:11px;font-weight:700;}
.tag.cash{background:rgba(22,163,74,.12);color:var(--green);}
.tag.pos{background:rgba(2,132,199,.12);color:var(--blue);}
.tag.exchange{background:rgba(37,99,235,.12);color:var(--gold-bright);}
.tag.new{background:rgba(37,99,235,.10);color:var(--gold-bright);}
.tag.used{background:rgba(100,116,139,.14);color:var(--muted);}
.tag.notax{background:rgba(220,38,38,.12);color:var(--red);}
.tag.repair{background:rgba(217,119,6,.14);color:#b45309;}
.tag.buyGold{background:rgba(13,148,136,.14);color:#0f766e;}

.invoice-line-table{width:100%;border-collapse:collapse;font-size:13.5px;margin-bottom:6px;}
.invoice-line-table th{background:var(--surface-2);text-align:right;padding:8px;font-size:11.5px;color:var(--muted);}
.invoice-line-table td{padding:8px;border-bottom:1px solid var(--border);}
@media print{
  body *{ visibility:hidden; }
  #invoiceArea, #invoiceArea *{ visibility:visible; }
  #invoiceArea{ position:absolute; top:0; right:0; left:0; width:100%; padding:24px; background:#fff !important; }
  #invoiceArea, #invoiceArea *{ color:#000 !important; border-color:#999 !important; }
  #invoiceArea .invoice-line-table th{ background:#eee !important; }
  .no-print{ display:none !important; }
}

.table-wrap{overflow-x:auto;}
.empty-state{padding:34px 10px;text-align:center;color:var(--muted);font-size:13.5px;}

.modal-bg{
  position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;
  align-items:center;justify-content:center;z-index:50;padding:20px;
}
.modal-bg.open{display:flex;}
.modal{
  background:var(--surface);border:1px solid var(--gold-dim);border-radius:14px;
  padding:22px 24px;width:100%;max-width:700px;max-height:88vh;overflow-y:auto;
}
.modal h3{margin:0 0 16px;color:var(--gold-bright);font-size:17px;}
.modal-actions{display:flex;gap:10px;justify-content:flex-start;margin-top:18px;}

.toolbar{display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px;margin-bottom:16px;}
.diff-box{
  border-radius:8px;padding:12px 14px;margin-top:6px;font-size:13.5px;
  border:1px dashed var(--gold-dim);background:rgba(37,99,235,.06);
}
.diff-box b{color:var(--gold-bright);}
.section-divider{border:none;border-top:1px solid var(--border);margin:16px 0;}
.subtle-title{font-size:12.5px;color:var(--gold-bright);font-weight:700;margin:0 0 10px;letter-spacing:.3px;}
.chart-box{position:relative;height:260px;}
.legend-note{font-size:11.5px;color:var(--muted);margin-top:8px;}
.kv{display:flex;justify-content:space-between;padding:7px 0;border-bottom:1px solid var(--border);font-size:13.5px;}
.kv:last-child{border-bottom:none;}
.kv .k{color:var(--muted);}
.kv .v{font-weight:700;}
.actions-cell{display:flex;gap:6px;}
.filter-bar{display:flex;gap:10px;align-items:flex-end;flex-wrap:wrap;margin-bottom:16px;}
.filter-bar .field{min-width:140px;margin-bottom:0;}
a.file-link{color:var(--gold-bright);}
::-webkit-scrollbar{height:8px;width:8px;}
::-webkit-scrollbar-thumb{background:var(--surface-2);border-radius:6px;}

.item-row { border: 1px solid var(--border); padding: 10px; border-radius: 8px; margin-bottom: 10px; position: relative; }
.item-row .btn-remove-item { position: absolute; top: 10px; left: 10px; background: var(--red); color: white; border: none; border-radius: 4px; padding: 2px 6px; cursor: pointer; }