html{scroll-behavior:smooth}
body{min-height:100vh}
::-webkit-scrollbar{width:9px;height:9px}
::-webkit-scrollbar-track{background:transparent}
::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:9px}
.dark ::-webkit-scrollbar-thumb{background:#334155}
::-webkit-scrollbar-thumb:hover{background:#f97316}
::selection{background:#f97316;color:#fff}
.loader-hidden{opacity:0;pointer-events:none}
.no-scrollbar::-webkit-scrollbar{display:none}
.no-scrollbar{-ms-overflow-style:none;scrollbar-width:none}
/* ===== MOBILE-GUARD v1 ===== */
html,body{max-width:100vw;overflow-x:hidden;overflow-x:clip}
#page,#page-content,#app,#content,#main-content{max-width:100%}
img,iframe,video,canvas{max-width:100%}

/* ===== MOBILE3 ===== */
section.grid>*{min-width:0}
#featuredTrack{width:100%}
#featuredSlider{max-width:100%}

/* ===== PC3 PRODUCT CARD (طرح ۳ فروشگاهی حرفه‌ای) ===== */
.pc3{position:relative;display:flex;flex-direction:column;background:#fff;border:1px solid #e2e8f0;border-radius:18px;overflow:hidden;transition:transform .2s,box-shadow .2s;cursor:pointer}
.dark .pc3{background:#0f172a;border-color:#1e293b}
.pc3:hover{transform:translateY(-5px);box-shadow:0 16px 36px rgba(2,8,20,.12)}
.dark .pc3:hover{box-shadow:0 16px 36px rgba(0,0,0,.4)}
.pc3.oos{opacity:.75}
.pc3-ribbon{position:absolute;top:10px;inset-inline-start:10px;z-index:2;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;font-size:11px;font-weight:800;padding:4px 12px;border-radius:99px;box-shadow:0 4px 10px rgba(13,148,136,.3)}
.pc3-ribbon.alt{background:linear-gradient(135deg,#f59e0b,#f97316);box-shadow:0 4px 10px rgba(245,158,11,.3)}
.pc3-img{position:relative;aspect-ratio:4/3;background:#f1f5f9;display:flex;align-items:center;justify-content:center;overflow:hidden}
.dark .pc3-img{background:#0b1220}
.pc3-img img{width:100%;height:100%;object-fit:contain;padding:10px;transition:transform .3s}
.pc3:hover .pc3-img img{transform:scale(1.06)}
.pc3-oos{position:absolute;inset:0;background:rgba(15,23,42,.55);display:flex;align-items:center;justify-content:center;z-index:1}
.pc3-oos span{background:#334155;color:#fff;font-size:11px;font-weight:700;padding:6px 14px;border-radius:99px}
.pc3-body{display:flex;flex-direction:column;gap:9px;padding:14px;flex:1}
.pc3-row1{display:flex;align-items:center;justify-content:space-between;gap:8px}
.pc3-brand{font-size:11px;color:#64748b}
.dark .pc3-brand{color:#94a3b8}
.pc3-stars{color:#f59e0b;font-size:10px;display:flex;gap:2px}
.pc3-name{font-weight:800;font-size:14px;line-height:1.6;color:#0f172a;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.dark .pc3-name{color:#f1f5f9}
.pc3-chips{display:flex;gap:6px;flex-wrap:wrap}
.pc3-chip{font-size:10px;background:#f1f5f9;color:#64748b;padding:3px 9px;border-radius:99px}
.dark .pc3-chip{background:#1e293b;color:#94a3b8}
.pc3-chip.in{background:#dcfce7;color:#16a34a}
.pc3-chip.oos{background:#fee2e2;color:#dc2626}
.dark .pc3-chip.in{background:rgba(22,163,74,.18);color:#4ade80}
.dark .pc3-chip.oos{background:rgba(220,38,38,.18);color:#f87171}
.pc3-stockbar{height:5px;background:#e2e8f0;border-radius:99px;overflow:hidden}
.dark .pc3-stockbar{background:#1e293b}
.pc3-stockbar i{display:block;height:100%;background:linear-gradient(90deg,#0d9488,#14b8a6);border-radius:99px}
.pc3-price{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:auto}
.pc3-now{font-weight:900;font-size:15px;color:#0f172a}
.dark .pc3-now{color:#f1f5f9}
.pc3-toman{font-size:10px;font-weight:600;color:#64748b}
.dark .pc3-toman{color:#94a3b8}
.pc3-old{font-size:11px;color:#94a3b8;text-decoration:line-through}
.pc3-actions{display:flex;gap:8px}
.pc3-add{flex:1;border:none;border-radius:11px;padding:10px;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;font-weight:800;font-size:13px;cursor:pointer;font-family:inherit;display:flex;align-items:center;justify-content:center;gap:7px;transition:filter .2s}
.pc3-add:hover{filter:brightness(1.08)}
.pc3-qv{width:42px;border:1px solid #e2e8f0;background:transparent;border-radius:11px;color:#64748b;cursor:pointer;font-size:14px}
.pc3-qv:hover{color:#0d9488;border-color:#0d9488}
.dark .pc3-qv{border-color:#1e293b;color:#94a3b8}
.dark .pc3-qv:hover{color:#14b8a6;border-color:#14b8a6}
/* === PC3 CORE BADGE (داغی) === */
.pc3-chip.core{background:#ccfbf1;color:#0d9488}
.dark .pc3-chip.core{background:rgba(13,148,136,.18);color:#2dd4bf}
.pc3-chip.core i{font-size:9px;margin-left:2px}
/* === INVOICE (فاکتور) === */
.inv-paper{color:#1e293b;background:#fff}
.dark .inv-paper{background:#fff;color:#1e293b}
.inv-head{display:flex;justify-content:space-between;align-items:flex-start;gap:16px;border-bottom:3px solid #0d9488;padding-bottom:16px;margin-bottom:18px;flex-wrap:wrap}
.inv-logo{width:48px;height:48px;border-radius:14px;background:linear-gradient(135deg,#0d9488,#14b8a6);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;margin-bottom:8px}
.inv-store{font-weight:900;font-size:16px;color:#0f172a}
.inv-sub{font-size:11px;color:#64748b;margin-top:2px}
.inv-headl{text-align:left;font-size:12px;color:#475569;line-height:2}
.inv-title{font-size:18px;font-weight:900;color:#0d9488;margin-bottom:4px}
.inv-info{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-bottom:18px}
@media(max-width:600px){.inv-info{grid-template-columns:1fr}}
.inv-col{background:#f8fafc;border:1px solid #e2e8f0;border-radius:12px;padding:14px}
.inv-lbl{font-size:11px;font-weight:800;color:#0d9488;margin-bottom:8px}
.inv-val{font-size:12.5px;color:#334155;line-height:1.9}
.inv-val i{color:#94a3b8;font-size:10px;margin-left:4px}
.inv-corenote{background:#f0fdfa;border:1px solid #99f6e4;color:#0f766e;border-radius:10px;padding:10px 14px;font-size:12px;font-weight:700;margin-bottom:16px}
.inv-corenote i{margin-left:6px}
.inv-table{width:100%;border-collapse:collapse;font-size:12.5px;margin-bottom:16px}
.inv-th{background:#0d9488;color:#fff;padding:9px 10px;font-weight:700;text-align:right;font-size:12px}
.inv-th:first-child{border-radius:0 8px 0 0}.inv-th:last-child{border-radius:8px 0 0 0}
.inv-td{padding:10px;border-bottom:1px solid #e2e8f0;text-align:right;color:#334155;vertical-align:middle}
.inv-c{text-align:center}.inv-l{text-align:left}.inv-b{font-weight:800}
.inv-core{display:inline-block;background:#ccfbf1;color:#0d9488;font-size:10px;padding:2px 8px;border-radius:99px;font-weight:800;margin-right:4px}
.inv-sum{margin-right:auto;width:260px;max-width:100%;font-size:12.5px}
.inv-sumrow{display:flex;justify-content:space-between;padding:6px 0;border-bottom:1px dashed #e2e8f0;color:#475569}
.inv-total{display:flex;justify-content:space-between;padding:10px 0 4px;font-weight:900;font-size:15px;color:#0d9488;border-top:2px solid #0d9488;margin-top:6px}
.inv-paystat{margin-top:14px;display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:800;padding:6px 14px;border-radius:99px;background:#fef3c7;color:#b45309}
.inv-paystat.paid{background:#d1fae5;color:#047857}
.inv-notes{margin-top:16px;background:#fffbeb;border:1px solid #fde68a;color:#92400e;border-radius:10px;padding:12px 14px;font-size:12px;line-height:1.9}
.inv-foot{margin-top:22px;text-align:center;font-size:11px;color:#94a3b8;border-top:1px solid #e2e8f0;padding-top:14px}
@media print{
  body *{visibility:hidden}
  #invPaper,#invPaper *{visibility:visible}
  #invPaper{position:absolute;inset:0;width:100%;box-shadow:none;border-radius:0;margin:0;padding:20px}
  .no-print{display:none!important}
}