:root{
    --bg:#f8fafc;--card:#ffffff;--text:#0f172a;--muted:#64748b;--line:#e2e8f0;
    --primary:#2563eb;--primary-dark:#1d4ed8;--success:#16a34a;--danger:#dc2626;--warning:#f59e0b;
    --shadow:0 18px 50px rgba(15,23,42,.08);--radius:22px;
}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Tahoma,Arial,"Segoe UI",sans-serif;background:var(--bg);color:var(--text);min-height:100vh}a{color:inherit;text-decoration:none}button,input,select{font:inherit}input,select{width:100%;border:1px solid var(--line);border-radius:15px;padding:13px 14px;background:#fff;color:var(--text);outline:none;transition:.2s}input:focus,select:focus{border-color:var(--primary);box-shadow:0 0 0 4px rgba(37,99,235,.12)}
.plain-page{background:radial-gradient(circle at top right,#dbeafe 0,#f8fafc 34%,#eef2ff 100%)}.auth-shell{min-height:100vh;display:grid;place-items:center;padding:22px}.auth-card{width:min(560px,100%);background:rgba(255,255,255,.9);backdrop-filter:blur(12px);border:1px solid rgba(226,232,240,.8);border-radius:30px;padding:30px;box-shadow:var(--shadow)}.auth-card h1{margin:8px 0 6px;font-size:clamp(26px,5vw,38px)}.auth-card p{color:var(--muted);margin:0 0 20px}.logo-large{width:72px;height:72px;border-radius:24px;background:linear-gradient(135deg,var(--primary),#38bdf8);color:#fff;display:grid;place-items:center;font-size:36px;font-weight:900;box-shadow:0 12px 30px rgba(37,99,235,.28)}.mini-link{text-align:center;color:var(--muted);margin-top:18px}.mini-link a{color:var(--primary);font-weight:700}
.layout{display:flex;min-height:100vh}.sidebar{width:285px;background:#0f172a;color:#e5e7eb;padding:18px;position:fixed;inset-block:0;inset-inline-start:0;z-index:20;overflow:auto}.brand{display:flex;gap:12px;align-items:center;margin-bottom:22px}.brand-icon{width:48px;height:48px;border-radius:17px;background:linear-gradient(135deg,var(--primary),#06b6d4);display:grid;place-items:center;font-size:25px;font-weight:900}.brand strong{display:block;font-size:21px}.brand span{display:block;color:#94a3b8;font-size:12px;margin-top:3px}.sidebar nav{display:grid;gap:7px}.sidebar a{padding:13px 14px;border-radius:15px;color:#cbd5e1;display:flex;align-items:center;gap:9px;transition:.2s}.sidebar a:hover,.sidebar a.active{background:rgba(255,255,255,.09);color:#fff}.main{margin-inline-start:285px;flex:1;min-width:0}.topbar{position:sticky;top:0;z-index:10;background:rgba(248,250,252,.82);backdrop-filter:blur(14px);border-bottom:1px solid var(--line);padding:17px clamp(16px,3vw,34px);display:flex;align-items:center;justify-content:space-between;gap:14px}.topbar h1{margin:0;font-size:clamp(22px,4vw,32px)}.topbar p{margin:3px 0 0;color:var(--muted)}.menu-btn{display:none;border:0;background:#fff;border-radius:14px;padding:10px 13px;box-shadow:0 5px 20px rgba(15,23,42,.08);cursor:pointer}.content{padding:clamp(16px,3vw,34px)}.backdrop{display:none}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;border:0;border-radius:15px;padding:12px 18px;font-weight:800;cursor:pointer;box-shadow:0 10px 24px rgba(37,99,235,.18);transition:.2s}.btn:hover{background:var(--primary-dark);transform:translateY(-1px)}.btn.secondary{background:#e2e8f0;color:#0f172a;box-shadow:none}.btn.ghost{background:#fff;color:#0f172a;box-shadow:none;border:1px solid var(--line)}.btn.danger{background:var(--danger)}.btn.small{padding:8px 11px;border-radius:11px;font-size:13px}.btn.wide{width:100%;margin-top:8px}.page-actions{display:flex;justify-content:flex-start;margin-bottom:16px;gap:10px;flex-wrap:wrap}.actions{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.actions form{display:inline}
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.card h2{margin:0 0 14px}.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px;margin-bottom:18px}.stat-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}.stat-card:after{content:"";position:absolute;inset-inline-start:-40px;inset-block-start:-40px;width:130px;height:130px;border-radius:50%;background:rgba(37,99,235,.08)}.stat-icon{font-size:30px;margin-bottom:14px}.stat-card span{display:block;color:var(--muted);font-size:14px}.stat-card strong{display:block;font-size:clamp(22px,4vw,30px);margin-top:7px}.grid{display:grid;gap:18px}.grid.two{grid-template-columns:1fr 1fr}.quick-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.quick{padding:16px;border-radius:18px;background:#f1f5f9;border:1px solid var(--line);font-weight:800;transition:.2s}.quick:hover{background:#dbeafe;color:var(--primary)}
.grid-form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.field{display:grid;gap:7px;color:#334155;font-weight:700}.field span{font-size:14px}.form-actions{grid-column:1/-1;display:flex;gap:10px;flex-wrap:wrap;margin-top:8px}.setup-card .grid-form{grid-template-columns:1fr}.form-card{max-width:980px}.alert{border-radius:16px;padding:13px 16px;margin-bottom:14px;font-weight:700;border:1px solid transparent}.alert.success{background:#dcfce7;color:#166534;border-color:#bbf7d0}.alert.danger{background:#fee2e2;color:#991b1b;border-color:#fecaca}.alert.info{background:#dbeafe;color:#1e40af;border-color:#bfdbfe}.muted{color:var(--muted)}
.table-card{padding:0;overflow:hidden}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;min-width:760px;background:#fff}th,td{padding:14px 16px;text-align:right;border-bottom:1px solid var(--line);vertical-align:middle}th{font-size:13px;color:#475569;background:#f8fafc;position:sticky;top:0}td small{color:var(--muted)}.empty{text-align:center;color:var(--muted);padding:30px!important}.pill{display:inline-flex;background:#eef2ff;color:#3730a3;border-radius:999px;padding:6px 10px;font-size:12px;font-weight:800}.list{display:grid;gap:10px}.list-row{display:flex;justify-content:space-between;gap:14px;align-items:center;background:#f8fafc;border:1px solid var(--line);border-radius:15px;padding:12px 14px}
@media(max-width:1100px){.stats-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid.two{grid-template-columns:1fr}}
@media(max-width:820px){.sidebar{transform:translateX(110%);transition:.25s;width:min(310px,86vw)}html[dir="rtl"] .sidebar{transform:translateX(110%)}.sidebar.open{transform:translateX(0)!important}.main{margin-inline-start:0}.menu-btn{display:inline-flex}.topbar{align-items:flex-start}.topbar form{margin-inline-start:auto}.backdrop.show{display:block;position:fixed;inset:0;background:rgba(15,23,42,.45);z-index:15}.content{padding-bottom:90px}.grid-form{grid-template-columns:1fr}.quick-actions{grid-template-columns:1fr}.stats-grid{grid-template-columns:1fr}.auth-card{padding:22px;border-radius:24px}}
@media(max-width:520px){.topbar{padding:12px}.topbar h1{font-size:21px}.topbar p{font-size:12px}.btn{padding:11px 13px}.card{padding:16px;border-radius:18px}.stat-card{padding:18px}.content{padding:14px}.auth-shell{padding:12px}table{min-width:680px}}

/* Qayd v6 invoice and emoji upgrades */
.emoji-library{display:flex;gap:7px;flex-wrap:wrap;background:#f8fafc;border:1px solid var(--line);border-radius:16px;padding:10px;grid-column:1/-1;margin-top:-5px}.emoji-library.mini{padding:8px;margin-top:0}.emoji-choice{width:38px;height:38px;border:1px solid var(--line);background:#fff;border-radius:12px;display:grid;place-items:center;cursor:pointer;font-size:20px;transition:.15s}.emoji-choice:hover{background:#dbeafe;border-color:#93c5fd;transform:translateY(-1px)}.emoji-input{text-align:center;font-size:22px}.invoice-card{max-width:none}.invoice-tools{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin:18px 0}.invoice-table input,.invoice-table select{min-width:130px}.invoice-table .product-cell select{min-width:260px}.new-product-box{display:none;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px;margin-top:10px;background:#f8fafc;border:1px dashed #cbd5e1;border-radius:16px;padding:10px}.new-product-box .mini-title{grid-column:1/-1;color:#475569;font-weight:900}.new-product-box .emoji-library{grid-column:1/-1}.payment-panel{margin-top:20px;background:#f8fafc;border:1px solid var(--line);border-radius:20px;padding:18px}.payment-panel h2{margin:0 0 14px}.mixed-payments{display:none;margin-top:14px}.payment-line{display:grid;grid-template-columns:1fr 1fr 1fr auto;gap:10px;margin-bottom:10px}.mini-title{font-weight:900;margin-bottom:8px}.invoice-summary{margin-top:20px;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:10px}.invoice-summary div{background:#fff;border:1px solid var(--line);border-radius:16px;padding:13px}.invoice-summary span{display:block;color:var(--muted);font-size:13px}.invoice-summary strong{display:block;margin-top:6px;font-size:19px}.invoice-summary.compact{grid-template-columns:repeat(3,minmax(0,1fr))}.scan-row{display:flex;gap:8px}.scan-row input{flex:1}.shake{animation:shake .35s}@keyframes shake{0%,100%{transform:translateX(0)}25%{transform:translateX(5px)}50%{transform:translateX(-5px)}75%{transform:translateX(3px)}}.invoice-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}.invoice-head h2{margin-bottom:4px}.invoice-head p{margin:0;color:var(--muted);font-weight:800}.invoice-meta{display:flex;gap:12px;flex-wrap:wrap;margin:12px 0 16px;color:#475569}.invoice-print{max-width:1100px}
@media(max-width:900px){.payment-line{grid-template-columns:1fr}.invoice-summary{grid-template-columns:1fr 1fr}.new-product-box{grid-template-columns:1fr}.invoice-tools{align-items:stretch}.invoice-tools .btn{width:100%}.scan-row{flex-direction:column}.invoice-summary.compact{grid-template-columns:1fr}}
@media print{body{background:#fff}.sidebar,.topbar,.backdrop,.btn{display:none!important}.main{margin:0}.content{padding:0}.card{box-shadow:none;border:0}.invoice-print{max-width:none}.table-wrap{overflow:visible}table{min-width:0}.invoice-summary{break-inside:avoid}}