:root{
--bg:#eef1f8;--card:#ffffff;--text:#111827;--muted:#6b7280;--line:#e5e7eb;
--indigo:#6366f1;--violet:#8b5cf6;--blue:#3b82f6;--green:#10b981;--red:#ef4444;--orange:#f59e0b;
--grad:linear-gradient(135deg,#6366f1,#8b5cf6);
--gradR:linear-gradient(135deg,#dc2626,#f87171);
--shadow:0 1px 3px rgba(17,24,39,.05),0 10px 28px -14px rgba(17,24,39,.14);
--shadow2:0 6px 16px rgba(17,24,39,.08),0 20px 44px -16px rgba(99,102,241,.30);
--r:16px}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:Inter,system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
body::before{content:"";position:fixed;z-index:-1;inset:0;background:radial-gradient(640px 320px at 88% -60px,rgba(99,102,241,.16),transparent 60%),radial-gradient(520px 280px at -120px 45%,rgba(16,185,129,.10),transparent 60%),radial-gradient(560px 320px at 55% 115%,rgba(59,130,246,.12),transparent 60%)}
#app{display:flex;min-height:100vh}
aside{width:242px;background:linear-gradient(180deg,#131a2e,#1e1b4b 85%,#251d52);color:#c7d2fe;position:sticky;top:0;height:100vh;display:flex;flex-direction:column;flex-shrink:0;box-shadow:6px 0 30px rgba(17,24,39,.18)}
.logo{padding:20px 18px;font-size:17px;font-weight:800;color:#fff;display:flex;gap:10px;align-items:center;border-bottom:1px solid rgba(255,255,255,.08);letter-spacing:-.2px;white-space:nowrap;overflow:hidden}
.logo span{background:linear-gradient(90deg,#a5b4fc,#f0abfc);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}
#nav{display:flex;flex-direction:column;padding:12px 10px;gap:3px;flex:1}
.nav-item{display:flex;align-items:center;gap:10px;padding:10px 14px;cursor:pointer;border-radius:12px;color:#c7d2fe;user-select:none;font-weight:600;font-size:13.5px;transition:.18s;border:1px solid transparent}
.nav-item:hover{background:rgba(255,255,255,.08);color:#fff;transform:translateX(3px)}
.nav-item.active{background:linear-gradient(135deg,rgba(99,102,241,.4),rgba(139,92,246,.22));border-color:rgba(139,92,246,.45);color:#fff;box-shadow:0 4px 16px rgba(99,102,241,.35)}
.navbadge{margin-left:auto;background:linear-gradient(135deg,#ef4444,#f87171);color:#fff;font-size:10px;border-radius:20px;padding:2px 8px;display:none;font-weight:700}
.side-foot{padding:14px 18px;font-size:11px;color:#818cf8;border-top:1px solid rgba(255,255,255,.08)}
main{flex:1;padding:24px;width:100%;max-width:1240px;margin:0 auto}
.page{display:none}
.page.active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}
.page-title{margin-bottom:20px;font-size:24px;font-weight:800;letter-spacing:-.4px;position:relative;padding-bottom:10px}
.page-title::after{content:"";position:absolute;left:0;bottom:0;width:58px;height:4px;border-radius:4px;background:var(--grad)}
h3{font-size:15px;margin-bottom:12px;font-weight:700}
.sub{font-size:12px;color:var(--muted)}
.red{color:var(--red)}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:14px}
.card{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;box-shadow:var(--shadow);transition:.2s;overflow:hidden}
.card::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad)}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
.card .label{color:var(--muted);font-size:11.5px;font-weight:700;text-transform:uppercase;letter-spacing:.5px}
.card .value{font-size:22px;font-weight:800;margin-top:6px;letter-spacing:-.5px}
.card .sub{margin-top:3px}
.cards .card:nth-child(1)::before{background:linear-gradient(90deg,#6366f1,#8b5cf6)}
.cards .card:nth-child(2)::before{background:linear-gradient(90deg,#3b82f6,#60a5fa)}
.cards .card:nth-child(3)::before{background:linear-gradient(90deg,#059669,#34d399)}
.cards .card:nth-child(4)::before{background:linear-gradient(90deg,#8b5cf6,#c084fc)}
.cards .card:nth-child(5)::before{background:linear-gradient(90deg,#10b981,#6ee7b7)}
.cards .card:nth-child(6)::before{background:linear-gradient(90deg,#2563eb,#7dd3fc)}
.cards .card:nth-child(7)::before{background:linear-gradient(90deg,#d97706,#fbbf24)}
.cards .card:nth-child(8)::before{background:linear-gradient(90deg,#dc2626,#f87171)}
.panel{position:relative;background:var(--card);border:1px solid var(--line);border-radius:var(--r);padding:18px;margin-top:16px;box-shadow:var(--shadow)}
.cols2{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
.toolbar{display:flex;gap:10px;margin-bottom:14px;flex-wrap:wrap}
.toolbar input{width:240px}
.toolbar select{width:auto}
table.tbl{width:100%;border-collapse:collapse}
.tbl th{text-align:left;font-size:10.5px;text-transform:uppercase;letter-spacing:.6px;color:var(--muted);padding:9px 8px;border-bottom:2px solid var(--line);white-space:nowrap;font-weight:700}
.tbl td{padding:10px 8px;border-bottom:1px solid #f3f4f6;vertical-align:middle}
.tbl tbody tr:hover td{background:#f8faff}
.actions{white-space:nowrap}
.btn{border:0;border-radius:12px;padding:10px 16px;font:inherit;font-weight:700;font-size:13.5px;cursor:pointer;background:var(--grad);color:#fff;transition:.18s;box-shadow:0 4px 14px rgba(99,102,241,.35)}
.btn:hover{transform:translateY(-1px);box-shadow:0 6px 20px rgba(99,102,241,.45);filter:brightness(1.06)}
.btn:active{transform:translateY(0)}
.btn.secondary{background:#fff;border:1.5px solid var(--line);color:var(--text);box-shadow:var(--shadow)}
.btn.secondary:hover{border-color:var(--indigo);color:var(--indigo);filter:none}
.btn.danger{background:var(--gradR);box-shadow:0 4px 14px rgba(239,68,68,.3)}
.btn.danger:hover{box-shadow:0 6px 18px rgba(239,68,68,.4)}
.btn.small{padding:5px 10px;font-size:12px;border-radius:9px;box-shadow:none}
.btn.small:hover{transform:none}
.btn.big{width:100%;padding:13px;font-size:15px;border-radius:14px;margin-top:12px}
.stk{width:26px;height:26px;border-radius:8px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-weight:800;line-height:1;color:var(--muted);transition:.15s}
.stk:hover{border-color:var(--indigo);color:var(--indigo);background:#eef2ff}
input,select{font:inherit;padding:9px 12px;border:1.5px solid var(--line);border-radius:10px;background:#fff;width:100%;color:var(--text);transition:.15s}
input::placeholder{color:#9ca3af}
input:focus,select:focus{outline:none;border-color:var(--indigo);box-shadow:0 0 0 3px rgba(99,102,241,.15)}
label.field{display:block;margin-bottom:10px;font-size:11.5px;color:var(--muted);font-weight:700;text-transform:uppercase;letter-spacing:.4px}
label.field input,label.field select{margin-top:5px;font-weight:500;text-transform:none;letter-spacing:0;font-size:14px;color:var(--text)}
.mini{width:74px;padding:5px 6px;text-align:center;font-size:13px;border-radius:8px}
.mini.ins-date{width:132px;text-align:left}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.seg{display:flex;gap:4px;background:#eef1f8;padding:4px;border-radius:12px;margin-bottom:12px}
.seg label{flex:1;text-align:center;padding:8px 4px;cursor:pointer;color:var(--muted);font-weight:700;font-size:12.5px;border-radius:9px;transition:.18s;margin:0;border:0}
.seg label:hover{color:var(--text)}
.seg input{display:none}
.seg label.on{background:var(--grad);color:#fff;box-shadow:0 2px 10px rgba(99,102,241,.4)}
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11px;font-weight:700}
.tag.cash{background:#d1fae5;color:#065f46}
.tag.online{background:#dbeafe;color:#1e40af}
.tag.installment{background:#fef3c7;color:#92400e}
.tag.paid{background:#d1fae5;color:#065f46}
.tag.pending{background:#fef3c7;color:#92400e}
.tag.overdue{background:#fee2e2;color:#b91c1c}
.pills{display:flex;gap:8px;flex-wrap:wrap}
.pill{padding:7px 16px;border-radius:20px;border:1.5px solid var(--line);background:#fff;cursor:pointer;font-size:12.5px;font-weight:700;color:var(--muted);transition:.15s}
.pill:hover{border-color:var(--indigo);color:var(--indigo)}
.pill.on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 3px 10px rgba(99,102,241,.35)}
.empty{padding:36px 16px;text-align:center;color:var(--muted);font-weight:500}
.chart{display:flex;gap:10px;height:180px;padding-top:18px}
.bar-col{flex:1;display:flex;flex-direction:column;justify-content:flex-end;align-items:center;gap:5px;height:100%;min-width:0}
.bar{width:70%;max-width:38px;background:linear-gradient(180deg,#818cf8,#4f46e5);border-radius:8px;min-height:4px;transition:.3s;box-shadow:0 2px 10px rgba(79,70,229,.35)}
.bar-col:hover .bar{background:linear-gradient(180deg,#a5b4fc,#6366f1)}
.bar-col .amt{font-size:10px;color:#4f46e5;font-weight:700;white-space:nowrap}
.bar-col .day{font-size:10.5px;color:var(--muted);font-weight:600}
.pos-wrap{display:grid;grid-template-columns:1fr 380px;gap:16px;align-items:start}
.pos-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(136px,1fr));gap:12px}
.pos-item{background:#fff;border:1.5px solid var(--line);border-radius:14px;padding:10px;cursor:pointer;text-align:center;transition:.18s;box-shadow:var(--shadow)}
.pos-item:hover{border-color:var(--indigo);transform:translateY(-3px);box-shadow:var(--shadow2)}
.pos-item:active{transform:scale(.97)}
.pos-item .thumb{height:70px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#faf5ff);border-radius:10px;overflow:hidden;margin-bottom:8px;font-size:30px}
.pos-item img{width:100%;height:70px;object-fit:cover;border-radius:10px;margin-bottom:8px;display:block}
.pos-item.out{opacity:.55;filter:grayscale(1);cursor:not-allowed}
.pos-item .pname{font-weight:700;font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.pos-item .pprice{font-size:13px;color:#4f46e5;font-weight:800}
.pos-item .pstock{font-size:11px;color:var(--muted);font-weight:600}
.cart-panel{position:sticky;top:20px;overflow:hidden;border-radius:18px}
.cart-panel::before{content:"";position:absolute;top:0;left:0;right:0;height:5px;background:var(--grad)}
.cart-row{display:grid;grid-template-columns:minmax(0,1fr) 60px 84px 84px 26px;gap:6px;align-items:center;padding:9px 0;border-bottom:1px dashed #e5e7eb;font-size:13px}
.cr-name b{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:13px}
.cr-amt{font-weight:700;font-size:12px;text-align:right}
.x{border:0;background:none;color:var(--red);cursor:pointer;font-weight:700;font-size:14px;width:24px;height:24px;border-radius:6px}
.x:hover{background:#fee2e2}
.cart-total-row{display:flex;justify-content:space-between;align-items:center;padding:12px 2px 4px;font-size:15px;font-weight:800;border-top:2.5px solid var(--text);margin-top:6px}
.ptimg{width:44px;height:44px;object-fit:cover;border-radius:10px;display:block;box-shadow:var(--shadow)}
.ptimg.ph{display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#eef2ff,#faf5ff);font-size:18px}
.stockcell{white-space:nowrap;text-align:center}
.stockcell>*{vertical-align:middle;margin:0 3px}
#modal{position:fixed;inset:0;background:rgba(17,24,39,.55);backdrop-filter:blur(4px);display:none;align-items:flex-start;justify-content:center;z-index:50;padding:30px 12px;overflow:auto}
#modal.open{display:flex}
.modal-box{background:#fff;border-radius:20px;padding:22px;width:100%;max-width:520px;position:relative;margin:auto;box-shadow:0 24px 80px rgba(17,24,39,.35);animation:pop .2s ease}
@keyframes pop{from{opacity:0;transform:scale(.95) translateY(10px)}to{opacity:1;transform:none}}
.modal-box.wide{max-width:800px}
#modalX{position:absolute;top:12px;right:14px;border:0;width:30px;height:30px;border-radius:10px;background:#f3f4f6;color:var(--muted);font-size:13px;cursor:pointer;font-weight:700;transition:.15s}
#modalX:hover{background:#fee2e2;color:var(--red)}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;margin-top:16px;flex-wrap:wrap}
.imgprev img{max-width:120px;max-height:120px;border-radius:12px;border:1px solid var(--line);margin-top:6px;box-shadow:var(--shadow)}
#toast{position:fixed;bottom:22px;right:22px;background:#111827;color:#fff;padding:12px 18px;border-radius:14px;opacity:0;pointer-events:none;transition:.25s;z-index:99;max-width:340px;font-size:13px;font-weight:600;box-shadow:0 10px 30px rgba(0,0,0,.3);border:1px solid rgba(255,255,255,.12)}
#toast.show{opacity:1}
#toast.error{background:var(--gradR);border-color:transparent}
#printArea{display:none}
@media print{body>*{display:none!important}#printArea{display:block!important}}
.rtbl{width:100%;border-collapse:collapse;margin:8px 0}
.rtbl th,.rtbl td{border:1px solid #94a3b8;padding:5px 8px;font-size:12px;text-align:left}
.rhead{text-align:center;border-bottom:2px solid #0f172a;padding-bottom:8px;margin-bottom:8px}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-thumb{background:#c7d2fe;border-radius:10px;border:2px solid var(--bg)}
::-webkit-scrollbar-thumb:hover{background:#a5b4fc}
::-webkit-scrollbar-track{background:transparent}
@media(max-width:920px){
#app{flex-direction:column}
aside{width:100%;height:auto;position:static;flex-direction:row;overflow-x:auto;align-items:center}
.logo{border-bottom:0;border-right:1px solid rgba(255,255,255,.08)}
#nav{flex-direction:row;padding:0 6px}
.nav-item{border-left:0;padding:12px 10px;white-space:nowrap;border-radius:10px}
.nav-item:hover{transform:none}
.nav-item.active{border-color:transparent}
.side-foot{display:none}
.cols2{grid-template-columns:1fr}
.pos-wrap{grid-template-columns:1fr}
.cart-panel{position:static}
.toolbar input{width:100%;flex:1}
main{padding:16px}
}
/* Login screen */
body.locked #app{display:none}
#authScreen{display:none;position:fixed;inset:0;z-index:200;align-items:center;justify-content:center;background:linear-gradient(160deg,#131a2e,#1e1b4b);padding:16px}
body.locked #authScreen{display:flex}
.auth-card{background:#fff;border-radius:22px;padding:32px 26px 26px;width:100%;max-width:380px;box-shadow:0 30px 90px rgba(0,0,0,.5);text-align:center;animation:pop .25s ease}
.auth-logo{font-size:46px;margin-bottom:8px}
.auth-card h2{font-size:20px;font-weight:800;letter-spacing:-.3px}
.auth-card input{text-align:center;margin-bottom:10px;font-size:15px}
.link-btn{background:none;border:0;color:var(--indigo);cursor:pointer;font:inherit;font-weight:700;font-size:12.5px;margin-top:10px}
.link-btn:hover{text-decoration:underline}

/* ---------- React app extras ---------- */
#root{min-height:100vh}
.splash{min-height:100vh;display:flex;align-items:center;justify-content:center;color:#6366f1;font-weight:700}