/* ===== نظام التصميم: بسيط، نظيف، RTL، متجاوب ===== */
:root{
  --bg:#F4F6F5; --surface:#fff; --ink:#18221E; --muted:#5A6762; --line:#DFE4E1; --line-strong:#B8C1BC;
  --primary:#0F6E56; --primary-d:#0A5442; --primary-l:#E2F1EB;
  --danger:#B3261E; --danger-l:#FBE8E6; --warn:#7A4E00; --warn-l:#FFF1CC; --ok:#0B6150; --ok-l:#DDF2EA;
  --radius:12px; --shadow:0 1px 2px rgba(16,32,24,.06),0 6px 18px rgba(16,32,24,.06);
  --font:"Segoe UI",Tahoma,"Noto Sans Arabic","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 var(--font)}
h1,h2,h3{margin:0;line-height:1.35}
h1{font-size:22px} h2{font-size:16px} h3{font-size:15px}
a{color:var(--primary)}
p{margin:0}
img{max-width:100%}
.muted{color:var(--muted)} .small{font-size:13px} .num{font-variant-numeric:tabular-nums}
.pos{color:var(--ok);font-weight:700} .neg{color:var(--danger);font-weight:700}
.hidden,[hidden]{display:none!important}
:focus-visible{outline:3px solid #7CC4AE;outline-offset:2px}

/* ===== الهيكل ===== */
.app{display:grid;grid-template-columns:250px minmax(0,1fr);min-height:100vh}
.sidebar{background:var(--surface);border-inline-end:1px solid var(--line);padding:16px 12px;position:sticky;top:0;height:100vh;overflow:auto}
.brand{font-weight:800;font-size:17px;color:var(--primary-d);padding:6px 10px 14px;border-bottom:1px solid var(--line);margin-bottom:10px;word-break:break-word}
.nav{display:flex;flex-direction:column;gap:2px}
.nav a{display:block;padding:10px 12px;border-radius:10px;color:var(--ink);text-decoration:none;font-weight:600}
.nav a:hover{background:var(--bg)}
.nav a.active{background:var(--primary-l);color:var(--primary-d)}
.nav-group{margin:14px 12px 4px;font-size:12px;color:var(--muted);font-weight:700}
.main{min-width:0;display:flex;flex-direction:column}
.topbar{display:flex;align-items:center;gap:12px;padding:10px 20px;background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:30}
.topbar-title{font-weight:700;flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-user{display:flex;align-items:center;gap:8px}
.user-chip{padding:6px 12px;border-radius:99px;background:var(--bg);color:var(--ink);text-decoration:none;font-weight:600;font-size:14px}
.icon-btn{display:none;width:44px;padding:0}
.scrim{display:none}
.content{width:100%;max-width:1120px;margin:0 auto;padding:20px;display:flex;flex-direction:column;gap:16px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;flex-wrap:wrap}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center}
.banner{padding:10px 20px;font-size:14px}
.banner.warn{background:var(--warn-l);color:var(--warn)}
.banner a{color:inherit;font-weight:700}

/* ===== بطاقات وشبكات ===== */
.card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:16px;display:flex;flex-direction:column;gap:12px;box-shadow:var(--shadow)}
.card-flat{box-shadow:none}
.card > h2{padding-bottom:2px}
.grid{display:grid;gap:12px}
.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))}
.stat{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius);padding:14px;box-shadow:var(--shadow)}
.stat .label{font-size:13px;color:var(--muted)}
.stat .value{font-size:22px;font-weight:800;margin-top:2px;font-variant-numeric:tabular-nums}
.stat .hint{font-size:12px;color:var(--muted);margin-top:2px}
.split{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.stack{display:flex;flex-direction:column;gap:10px}

/* ===== أزرار ===== */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;min-height:44px;padding:0 18px;border:1.5px solid var(--primary);border-radius:10px;background:var(--primary);color:#fff;font:inherit;font-weight:700;text-decoration:none;cursor:pointer;white-space:nowrap;transition:background .15s}
.btn:hover{background:var(--primary-d);border-color:var(--primary-d)}
.btn.secondary{background:var(--surface);color:var(--primary-d)}
.btn.secondary:hover{background:var(--primary-l)}
.btn.ghost{background:transparent;border-color:transparent;color:var(--ink)}
.btn.ghost:hover{background:var(--bg)}
.btn.danger{background:var(--surface);border-color:var(--danger);color:var(--danger)}
.btn.danger:hover{background:var(--danger-l)}
.btn.sm{min-height:36px;padding:0 12px;font-size:14px}
.btn.block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed}

/* ===== نماذج ===== */
label,.label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:4px}
input[type=text],input[type=tel],input[type=password],input[type=email],input[type=number],input[type=date],input[type=search],input[type=month],select,textarea{width:100%;min-height:44px;border:1px solid var(--line-strong);border-radius:10px;padding:0 12px;font:inherit;color:var(--ink);background:#fff}
textarea{padding:10px 12px;min-height:90px;resize:vertical}
input:focus,select:focus,textarea:focus{outline:3px solid #7CC4AE;outline-offset:0;border-color:var(--primary)}
input[type=checkbox],input[type=radio]{width:18px;height:18px;accent-color:var(--primary);margin:0}
.check{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--ink);margin:0;cursor:pointer;min-height:36px}
.field{display:flex;flex-direction:column}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.form-grid .full{grid-column:1/-1}
.help{font-size:12px;color:var(--muted);margin-top:4px}
.inline-form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* ===== تنبيهات وشارات ===== */
.alert{padding:12px 14px;border-radius:10px;font-weight:600}
.alert-ok{background:var(--ok-l);color:var(--ok)}
.alert-err{background:var(--danger-l);color:var(--danger)}
.badge{display:inline-block;padding:2px 10px;border-radius:99px;font-size:12px;font-weight:700;background:var(--bg);color:var(--muted);white-space:nowrap}
.badge-ok{background:var(--ok-l);color:var(--ok)}
.badge-warn{background:var(--warn-l);color:var(--warn)}
.badge-err{background:var(--danger-l);color:var(--danger)}
.badge-info{background:#E5EEFB;color:#1F4E96}

/* ===== جداول ===== */
.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--radius);background:var(--surface)}
table{width:100%;border-collapse:collapse;font-size:14px}
th,td{padding:10px 12px;text-align:start;border-bottom:1px solid var(--line);vertical-align:middle}
th{background:#F8FAF9;font-size:12px;color:var(--muted);font-weight:700;white-space:nowrap}
tbody tr:last-child td{border-bottom:0}
tbody tr:hover{background:#FAFCFB}
td.num,th.num{text-align:end}
.empty{padding:24px;text-align:center;color:var(--muted)}
.list-row{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 0;border-bottom:1px solid var(--line)}
.list-row:last-child{border-bottom:0}
.thumb{width:46px;height:46px;border-radius:8px;object-fit:cover;background:#E6EAE8;flex:none}

/* ===== تبويبات وترقيم ===== */
.tabs{display:flex;gap:6px;flex-wrap:wrap;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:4px;width:fit-content;max-width:100%}
.tabs a{padding:8px 16px;border-radius:9px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14px}
.tabs a.active{background:var(--primary);color:#fff}
.pager{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.pager .page{min-width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:10px;background:var(--surface);text-decoration:none;color:var(--ink);font-weight:600}
.pager .page.active{background:var(--primary);border-color:var(--primary);color:#fff}

/* ===== أعمدة بيانية بسيطة ===== */
.bar-track{height:8px;background:var(--bg);border-radius:99px;overflow:hidden;min-width:80px}
.bar-fill{height:100%;background:var(--primary);border-radius:99px}
.chart{display:flex;align-items:flex-end;gap:8px;height:150px;padding-top:8px}
.chart .col{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:flex-end;height:100%;gap:4px;min-width:0}
.chart .col .b{width:100%;max-width:44px;background:var(--primary);border-radius:6px 6px 0 0;min-height:2px}
.chart .col .v{font-size:11px;color:var(--muted);white-space:nowrap}
.chart .col .l{font-size:11px;color:var(--muted)}

/* ===== القوائم المنسدلة القابلة للبحث ===== */
.combo{position:relative}
.combo-btn{width:100%;min-height:44px;display:flex;justify-content:space-between;align-items:center;gap:8px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;padding:0 12px;font:inherit;color:var(--ink);text-align:start;cursor:pointer}
.combo-btn:hover{border-color:var(--primary)}
.combo-label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.combo-label.placeholder{color:var(--muted)}
.combo-arrow{color:var(--muted);flex:none}
.combo-panel{position:absolute;inset-inline:0;top:calc(100% + 4px);background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:0 10px 30px rgba(16,32,24,.18);z-index:60;padding:8px}
.combo-list{list-style:none;margin:8px 0 0;padding:0;max-height:260px;overflow:auto}
.combo-opt{padding:9px 10px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:10px}
.combo-opt .sub{font-size:12px;color:var(--muted);white-space:nowrap}
.combo-opt.hl,.combo-opt:hover{background:var(--primary-l)}
.combo-opt[aria-selected=true]{font-weight:700}
.combo-add{color:var(--primary-d);font-weight:700;border:1px dashed var(--primary);margin-bottom:4px}
.combo-none{padding:12px;color:var(--muted);text-align:center;font-size:14px}

/* ===== نافذة منبثقة ===== */
.modal-back{position:fixed;inset:0;background:rgba(10,24,18,.5);display:flex;align-items:center;justify-content:center;padding:16px;z-index:100}
.modal{background:#fff;border-radius:16px;max-width:480px;width:100%;max-height:92vh;overflow:auto;padding:18px;display:flex;flex-direction:column;gap:12px;box-shadow:0 20px 50px rgba(0,0,0,.3)}

/* ===== بيعة جديدة ===== */
.line-card{border:1px solid var(--line);border-radius:12px;padding:12px;background:#FBFCFB;display:flex;flex-direction:column;gap:10px}
.line-top{display:flex;gap:8px;align-items:flex-start}
.line-top .combo{flex:1;min-width:0}
.totals{display:flex;flex-direction:column;gap:6px}
.totals .row{display:flex;justify-content:space-between;font-size:15px}
.totals .grand{font-size:20px;font-weight:800}
.perm-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:4px 16px}
.perm-group{margin-top:8px;font-size:13px;font-weight:700;color:var(--primary-d)}

/* ===== صفحات الدخول ===== */
body.guest{background:linear-gradient(180deg,#E7F2ED,#F4F6F5 60%)}
.auth-wrap{min-height:100vh;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:20px}
.auth-brand{font-size:26px;font-weight:800;color:var(--primary-d)}
.auth-card{width:100%;max-width:440px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:24px;display:flex;flex-direction:column;gap:14px;box-shadow:var(--shadow)}

/* ===== الفاتورة والطباعة ===== */
.invoice{max-width:760px;margin:0 auto;width:100%}
.invoice .head{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap}
.invoice table{margin-top:4px}

@media (max-width:1000px){.g4{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:900px){
  .app{display:block}
  .sidebar{position:fixed;inset-block:0;inset-inline-start:0;width:270px;height:100%;z-index:80;transform:translateX(105%);transition:transform .2s;box-shadow:var(--shadow)}
  [dir="ltr"] .sidebar{transform:translateX(-105%)}
  body.nav-open .sidebar{transform:translateX(0)}
  .scrim{position:fixed;inset:0;background:rgba(10,24,18,.45);z-index:70}
  body.nav-open .scrim{display:block}
  .icon-btn{display:inline-flex}
  .content{padding:14px}
  .topbar{padding:8px 12px}
  .user-chip{display:none}
}
@media (max-width:640px){
  .g2,.g3,.g4,.form-grid,.perm-grid{grid-template-columns:1fr}
  .stats-2{grid-template-columns:repeat(2,minmax(0,1fr))}
  h1{font-size:20px}
}
@media print{
  .sidebar,.topbar,.banner,.noprint,.scrim{display:none!important}
  .app{display:block}
  body{background:#fff}
  .content{padding:0;max-width:none}
  .card,.stat{box-shadow:none;border:0;padding:0}
}

/* مبالغ: الرقم LTR معزول كي لا ينعكس ترتيب الأرقام داخل الصفحات العربية */
.amt { unicode-bidi: isolate; direction: ltr; white-space: nowrap; }

/* ماسح الباركود بالكاميرا */
.scan-box { margin-top: 12px; display: flex; flex-direction: column; gap: 8px; align-items: flex-start; }
.scan-reader { width: 100%; max-width: 420px; }

/* تبديل اللغة وشعار المحل */
.lang-switch { font-size: 13px; display: inline-flex; gap: 8px; }
.auth-wrap > .lang-switch { margin-bottom: 8px; }
.brand-logo { height: 28px; width: auto; vertical-align: middle; margin-inline-end: 8px; border-radius: 4px; }

/* الفاتورة والمبيعات الملغاة */
.shop-id { display: flex; align-items: center; gap: 12px; }
.invoice-logo { height: 56px; width: auto; max-width: 120px; object-fit: contain; border-radius: 6px; }
.card.cancelled { opacity: .65; }
.card.cancelled .table-wrap td, .card.cancelled .totals .num { text-decoration: line-through; }

/* ملصقات الباركود */
.labels { display: flex; flex-wrap: wrap; gap: 8px; }
.label-card { width: 200px; border: 1px dashed #bbb; padding: 6px; text-align: center; background: #fff; page-break-inside: avoid; }
.label-name { font-size: 12px; font-weight: 700; margin-bottom: 2px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.label-price { font-size: 14px; font-weight: 700; }
.label-card svg { max-width: 100%; height: auto; }

/* التطبيق المثبّت (PWA): ترك مساحة لحواف الشاشة والنتوء في الهواتف */
@media (display-mode: standalone) {
  .topbar { padding-top: calc(8px + env(safe-area-inset-top)); }
  .sidebar { padding-top: calc(16px + env(safe-area-inset-top)); padding-bottom: env(safe-area-inset-bottom); }
  .content { padding-bottom: calc(20px + env(safe-area-inset-bottom)); }
  .auth-wrap { padding-top: calc(20px + env(safe-area-inset-top)); }
}
.auth-wrap > #install-btn { margin-top: -8px; }
.install-steps { white-space: pre-line; margin: 0; }
@media (max-width: 640px) { .topbar .install-label { display: none; } }
.stat .sub { margin-top: 8px; padding-top: 8px; border-top: 1px dashed var(--line); font-size: 13px; color: var(--muted); }
.stat .sub b { color: var(--ink); font-variant-numeric: tabular-nums; }
.stat .sub b.pos { color: var(--ok); } .stat .sub b.neg { color: var(--danger); }

/* إيصال الطابعة الحرارية: مخفي في الشاشة والطباعة العادية، ويظهر وحده عند «إيصال حراري» */
.receipt { display: none; }
.receipt-print { display: inline-flex; align-items: stretch; }
.receipt-print .btn { border-start-end-radius: 0; border-end-end-radius: 0; }
.receipt-print select { width: auto; min-height: 44px; border-start-start-radius: 0; border-end-start-radius: 0; border-inline-start: 0; padding-inline: 8px; }
@media print {
  body.print-receipt .invoice > :not(.receipt) { display: none !important; }
  body.print-receipt .receipt { display: block; color: #000; background: #fff; font: 12px/1.35 Tahoma, Arial, sans-serif; padding: 3mm 2mm; }
  body.receipt-80 .receipt { width: 72mm; }
  body.receipt-58 .receipt { width: 48mm; font-size: 11px; }
  body.print-receipt .invoice { max-width: none; margin: 0; }
  .receipt .r-center { text-align: center; }
  .receipt .r-shop { font-size: 1.35em; font-weight: 800; }
  .receipt .r-logo { max-width: 60%; max-height: 18mm; filter: grayscale(1); }
  .receipt .r-bold { font-weight: 700; }
  .receipt .r-small { font-size: .9em; }
  .receipt .r-row { display: flex; justify-content: space-between; gap: 6px; }
  .receipt .r-row > :last-child { white-space: nowrap; }
  .receipt .r-item { margin: 0 0 4px; break-inside: avoid; }
  .receipt .r-sep { border-top: 1px dashed #000; margin: 5px 0; }
  .receipt .r-total { font-size: 1.3em; font-weight: 800; margin: 2px 0; }
  .receipt .amt { font-variant-numeric: tabular-nums; }
}