:root{--bg:#f4f6fa;--panel:#fff;--ink:#182239;--muted:#7a8498;--border:#e7ebf2;--brand:#346af0;--sidebar:#14203a;--green:#1b9470;--red:#d24d62}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px/1.65 Tahoma,Arial,sans-serif}a{text-decoration:none;color:var(--brand)}button,input,select,textarea{font:inherit}button,.button{display:inline-flex;justify-content:center;align-items:center;border:0;background:var(--brand);color:#fff;border-radius:10px;padding:11px 18px;font-weight:700;cursor:pointer;gap:8px;white-space:nowrap}button:hover,.button:hover{filter:brightness(.95)}button:disabled{opacity:.6;cursor:wait}.ghost{background:#edf2ff;color:var(--brand)}.danger{background:#fff0f2;color:var(--red)}.light{background:white;color:#244ea9}.small{padding:6px 12px;font-size:12px}.wide{width:100%}.sidebar{width:250px;background:var(--sidebar);color:#fff;position:fixed;inset:0 0 0 auto;display:flex;flex-direction:column;padding:28px 20px;z-index:10}.brand{display:flex;align-items:center;gap:12px;color:#fff;font-weight:bold;font-size:17px}.brand-icon{display:grid;place-items:center;background:var(--brand);color:#fff;border-radius:13px;width:46px;height:46px;font:bold 26px Arial;flex-shrink:0}.brand small{display:block;font-size:11px;font-weight:normal;color:#a8b6d3;margin-top:3px}.nav-caption{font-size:10px;letter-spacing:1px;color:#8192b3;margin:40px 14px 15px}nav{display:grid;gap:8px}nav a{display:flex;gap:12px;align-items:center;color:#b9c5dd;font-size:13px;padding:12px;border-radius:10px}nav a.active{color:white;background:#2c4674}nav a:hover{background:#223353}.nav-dot{width:7px;height:7px;border-radius:3px;background:currentColor}.sidebar-bottom{margin-top:auto;padding:22px 12px 0;border-top:1px solid #2a3651}.sidebar-bottom small{display:block;color:#97a8c7;margin:3px 0 12px}.sidebar-bottom button{background:#223452;color:#c5d2ec;width:100%;font-size:12px}main{margin-right:250px;padding:28px 36px 14px;max-width:1850px}.topbar{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;gap:20px}.topbar small{color:var(--muted);font-size:11px}h1{font-size:24px;margin:5px 0 0;letter-spacing:-.5px}h2{font-size:18px;margin:0}h3{font-size:16px;margin:24px 0 14px}p{margin:8px 0 16px}.header-actions{display:flex;gap:14px;align-items:center}.date-chip{font-size:12px;background:white;padding:9px 14px;border-radius:9px;color:#68768c}.hero{display:flex;justify-content:space-between;align-items:center;overflow:hidden;background:linear-gradient(110deg,#203f8a,#356aed);border-radius:18px;padding:30px 36px;color:#fff;margin-bottom:24px;min-height:220px}.hero .eyebrow{color:#c6d7ff}.hero h2{font-size:28px;margin:8px 0}.hero p{color:#dae5ff;font-size:13px}.hero-art{position:relative;min-width:270px;height:160px;margin-left:35px}.phone-shape{height:180px;width:91px;border:5px solid #b7d4ff;border-radius:23px;background:linear-gradient(160deg,#f5faff,#9abbff);position:absolute;left:80px;top:0;transform:rotate(-13deg);box-shadow:20px 20px 60px #132d7350;display:grid;place-items:center;color:#4877d1;font:40px Arial}.phone-shape span{position:absolute;top:8px;background:#396bc3;width:36px;height:7px;border-radius:6px}.floating-chip{position:absolute;bottom:-4px;left:-10px;transform:rotate(4deg);background:#ffffffed;color:#334c7b;border-radius:12px;padding:13px 18px;font-size:11px;box-shadow:0 8px 25px #122d5d44}.floating-chip strong{font-size:15px}.eyebrow{font-size:11px;font-weight:bold;color:var(--brand)}.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;margin:22px 0}.stat{padding:21px 24px;background:white;border:1px solid var(--border);border-radius:14px;min-width:0}.stat small{display:block;color:#6d7a90;font-size:12px}.stat strong{display:block;font:700 26px/1.5 Arial,Tahoma;margin:8px 0 3px;direction:ltr;text-align:right}.stat span{font-size:10px;color:var(--muted)}.stat.accent{background:#eaf0ff;border-color:#d4e0ff}.stat.accent strong{color:var(--brand)}.stats.compact{grid-template-columns:repeat(3,minmax(0,1fr));margin:0 0 24px}.compact .stat strong{font-size:22px}.two-col{display:grid;grid-template-columns:1.5fr 1fr;gap:22px;align-items:start}.panel{background:white;border:1px solid var(--border);border-radius:15px;padding:24px;margin-bottom:24px;min-width:0}.panel-title{display:flex;justify-content:space-between;align-items:center;gap:20px;margin-bottom:20px}.panel-title p,.panel-title>span{font-size:11px;color:var(--muted);margin:4px 0 0}.panel-title a:not(.button){font-size:11px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;text-align:right;white-space:nowrap;font-size:12px}th{background:#f7f9fc;color:#7b8799;font-weight:normal;padding:12px 14px;border-bottom:1px solid var(--border)}td{padding:16px 14px;border-bottom:1px solid #f0f2f6;vertical-align:middle}td strong{font-size:13px}td small{display:block;color:var(--muted);font-size:10px;max-width:240px;white-space:normal;margin-top:4px}tr:last-child td{border-bottom:0}.num{direction:ltr;text-align:right;font-family:Arial;font-weight:600}.mono{direction:ltr;text-align:right;font:12px Arial;letter-spacing:.2px}.badge{display:inline-block;font-size:10px;background:#eef2f7;color:#677387;border-radius:7px;padding:4px 10px}.badge.green{background:#e8f7f0;color:var(--green)}.badge.red{background:#fff0f2;color:var(--red)}.badge.amber{background:#fff5e1;color:#b48327}.stock-alert{display:flex;justify-content:space-between;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--border);font-size:13px}.stock-alert:last-child{border:0}.stock-alert small{display:block;color:var(--muted);font-size:11px}.stock-alert b{font-size:12px;color:#b88732}.empty{text-align:center;color:var(--muted);padding:36px;font-size:13px}.filters{display:flex;gap:12px;align-items:end;margin-bottom:20px;flex-wrap:wrap}.filters>input{flex:1;min-width:200px}.filters select{width:auto;min-width:140px}.filters label{margin:0;min-width:160px}.filters button{height:44px}input,select,textarea{width:100%;border:1px solid #dfe5ef;border-radius:9px;padding:10px 12px;background:#fff;color:var(--ink);outline:none;min-height:44px}input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #346af015}input[type=number]{direction:ltr;text-align:right}textarea{min-height:100px;resize:vertical}label{display:block;font-size:12px;color:#68778e;margin-bottom:18px}label input,label select,label textarea{display:block;margin-top:7px;font-size:14px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 20px}.form-end{display:flex;gap:12px;border-top:1px solid var(--border);padding-top:22px;margin-top:22px}.narrow{max-width:1000px}.tabs{display:flex;gap:10px;background:#f4f7fc;border-radius:12px;padding:6px;margin-bottom:24px}.tab{flex:1;background:transparent;color:#738199}.tab.active{background:white;color:var(--brand);box-shadow:0 2px 8px #17223e0b}fieldset{border:0;padding:0;margin:0}fieldset[hidden],[hidden]{display:none!important}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;background:#f8faff;border-radius:12px;padding:22px;margin-bottom:24px}.detail-grid small{display:block;font-size:11px;color:var(--muted)}.detail-grid strong{display:block;font-size:13px;overflow-wrap:anywhere}.detail-grid span{font-size:12px;color:var(--muted)}.pos-layout{grid-template-columns:minmax(0,1fr) 310px}.checkout{position:sticky;top:24px}.checkout h2{margin:6px 0 30px}.summary-row{display:flex;align-items:center;justify-content:space-between;font-size:12px;gap:16px;margin:18px 0}.summary-row strong{font:700 15px Arial}.checkout-total{background:#f0f5ff;text-align:center;padding:24px;border-radius:12px;margin:22px 0}.checkout-total small{display:block;color:#6a7a97;font-size:12px}.checkout-total strong{display:block;color:var(--brand);font:700 34px Arial;margin:12px 0}.checkout-total span{font-size:12px;color:#8492a9}.muted{font-size:11px;color:var(--muted);line-height:1.8}.cart-table select{min-width:220px;max-width:400px;font-size:12px}.cart-table td{padding:10px 5px}.cart-table input{min-width:78px;max-width:130px;padding:8px;font:14px Arial}#trade-fields{padding:0 20px 20px;background:#f8faff;border-radius:12px;margin-top:25px;border:1px dashed #c6d8fd}.alert{background:#fff0f2;color:#b5364b;border:1px solid #f5c9d2;padding:14px 18px;border-radius:10px;margin-bottom:22px;font-size:13px}.alert.success{background:#e8f7f0;color:#197b5d;border-color:#bee7d5}.pagination{display:flex;gap:8px;justify-content:center;margin-top:22px}.selected{background:var(--brand);color:white}.receipt{max-width:1000px;margin:auto auto 24px}.receipt-head{display:flex;justify-content:space-between;border-bottom:2px solid var(--brand);padding-bottom:24px;margin-bottom:25px}.receipt-head h2{font-size:24px}.receipt-head p{font-size:12px;color:var(--muted)}.receipt .detail-grid{grid-template-columns:repeat(4,1fr)}.receipt-totals{max-width:360px;margin:25px 0 25px auto}.grand{border-top:2px solid var(--border);padding-top:18px;color:var(--brand)}.grand strong{font-size:21px}.trade-receipt{background:#f5f8ff;border-radius:10px;padding:8px 20px;margin-top:20px;font-size:12px}.trade-receipt h3{margin:12px 0}.invoice-actions{display:flex;gap:12px;margin-bottom:20px}.invoice-notes{font-size:12px;white-space:normal;overflow-wrap:anywhere}footer{font-size:10px;color:#99a4b6;display:flex;justify-content:space-between;padding:18px 4px}.auth{min-height:100vh;display:grid;place-items:center;background:radial-gradient(at 20% 20%,#dbe6ff,transparent 55%),#f4f6fa;padding:25px}.auth-card{width:440px;max-width:100%;background:#fff;border:1px solid var(--border);border-radius:24px;padding:42px;box-shadow:0 30px 80px #2136680f}.auth-card h1{font-size:27px;margin:24px 0 10px}.auth-card p{font-size:12px;color:var(--muted);margin-bottom:30px}.auth-card button{width:100%}@media(max-width:1200px){main{padding:24px}.sidebar{width:220px}main{margin-right:220px}.stats{grid-template-columns:repeat(2,1fr)}.two-col{grid-template-columns:1fr}.pos-layout{grid-template-columns:1fr}.checkout{position:static}.hero-art{min-width:200px}}@media(max-width:760px){.sidebar{position:static;width:100%;padding:15px}.brand{font-size:15px}.brand-icon{width:36px;height:36px;font-size:22px}.nav-caption,.sidebar-bottom{display:none}nav{display:flex;overflow:auto;gap:5px;margin-top:14px}nav a{padding:8px 12px;font-size:11px;white-space:nowrap}.nav-dot{display:none}main{margin:0;padding:20px 14px}.topbar h1{font-size:20px}.date-chip{display:none}.header-actions .button{font-size:11px;padding:9px}.hero{padding:24px}.hero-art{display:none}.hero h2{font-size:24px}.panel{padding:18px}.stats{gap:10px}.stat{padding:16px}.stat strong{font-size:23px}.stats.compact{grid-template-columns:1fr 1fr}.form-grid{grid-template-columns:1fr}.detail-grid,.receipt .detail-grid{grid-template-columns:1fr 1fr}.panel-title{flex-wrap:wrap}.auth-card{padding:30px}.receipt-head h2{font-size:20px}.form-end{flex-wrap:wrap}}@media print{@page{size:A4;margin:14mm}body{background:#fff;font-size:12px}.sidebar,.topbar,footer,.invoice-actions,.no-print,.alert{display:none!important}main{margin:0;padding:0;max-width:none}.receipt{border:0;padding:0;max-width:none;margin:0;box-shadow:none}.table-wrap{overflow:visible}th,td{padding:10px 8px}tr{break-inside:avoid}.trade-receipt,.receipt-totals{break-inside:avoid}.badge{border:1px solid #ccc}.receipt .detail-grid{background:none;border:1px solid #ddd}.receipt .muted{color:#333}}