:root{--brand: #0f3d5c;--brand-light: #1a5a85;--bg: #f4f6f8;--surface: #ffffff;--border: #d8dee5;--text: #1c2733;--text-dim: #5c6b7a;--ok: #1a7f4b;--warn: #b7791f;--danger: #c0392b;--radius: 8px}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);font-size:15px}.center-screen{min-height:100vh;display:flex;align-items:center;justify-content:center;color:var(--text-dim)}.app-shell{min-height:100vh;display:flex;flex-direction:column}.topbar{background:var(--brand);color:#fff;display:flex;align-items:center;gap:24px;padding:0 20px;height:52px;flex-wrap:wrap}.topbar .brand{font-weight:700;font-size:17px}.topbar nav{display:flex;gap:4px;flex:1}.topbar nav a{color:#cfe0ee;text-decoration:none;padding:6px 12px;border-radius:6px;font-weight:500}.topbar nav a:hover{background:#ffffff1a;color:#fff}.topbar nav a.active{background:#ffffff2e;color:#fff}.topbar-right{display:flex;align-items:center;gap:12px}.user-name{color:#cfe0ee;font-size:13px}.user-menu{position:relative}.user-menu-trigger{font-size:13px}.user-menu-panel{position:absolute;right:0;top:calc(100% + 6px);background:var(--surface);color:var(--text);border:1px solid var(--border);border-radius:var(--radius);box-shadow:0 8px 24px #0000002e;padding:12px;width:220px;z-index:50}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:200}.modal-card{background:var(--surface);border-radius:10px;padding:24px;width:340px;box-shadow:0 10px 30px #0000004d}.content{flex:1;padding:20px;max-width:1100px;width:100%;margin:0 auto}h1{font-size:22px;margin:0 0 16px}h2{font-size:17px;margin:24px 0 10px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-bottom:16px}.btn{border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:6px;padding:7px 14px;font-size:14px;cursor:pointer;font-family:inherit}.btn:hover{background:#eef2f6}.btn:disabled{opacity:.5;cursor:default}.btn-primary{background:var(--brand);border-color:var(--brand);color:#fff}.btn-primary:hover{background:var(--brand-light)}.btn-danger{color:var(--danger);border-color:var(--danger);background:#fff}.btn-danger:hover{background:#fbeeec}.btn-ghost{background:transparent;border-color:#fff6;color:#fff}.btn-ghost:hover{background:#ffffff1f}.btn-sm{padding:3px 9px;font-size:13px}input[type=text],input[type=number],input[type=email],input[type=password],select,textarea{border:1px solid var(--border);border-radius:6px;padding:7px 10px;font-size:14px;font-family:inherit;background:#fff;color:var(--text)}input:focus,select:focus,textarea:focus{outline:2px solid var(--brand-light);outline-offset:-1px}table{border-collapse:collapse;width:100%}th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border)}th{font-size:13px;color:var(--text-dim);font-weight:600;white-space:nowrap}td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}.muted{color:var(--text-dim)}.small{font-size:13px}.pill{display:inline-block;border-radius:999px;padding:2px 10px;font-size:12px;font-weight:600}.pill-ok{background:#e2f3ea;color:var(--ok)}.pill-warn{background:#f9efdc;color:var(--warn)}.pill-danger{background:#f9e4e1;color:var(--danger)}.pill-neutral{background:#e8edf2;color:var(--text-dim)}.pos{color:var(--ok)}.neg{color:var(--danger)}.row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}.spread{justify-content:space-between}.toast{position:fixed;bottom:20px;left:50%;transform:translate(-50%);background:var(--text);color:#fff;padding:10px 20px;border-radius:8px;font-size:14px;z-index:100;box-shadow:0 4px 14px #00000040}.error-box{background:#f9e4e1;color:var(--danger);border:1px solid #eec6c0;border-radius:6px;padding:10px 14px;margin-bottom:14px}.warn-box{background:#f9efdc;color:#7a5410;border:1px solid #ecd9b0;border-radius:6px;padding:10px 14px;margin:10px 0}.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:var(--brand)}.login-card{background:#fff;border-radius:12px;padding:32px;width:340px;display:flex;flex-direction:column;gap:12px;box-shadow:0 10px 30px #0000004d}.login-card h1{margin:0 0 6px;font-size:20px}.login-card label{font-size:13px;color:var(--text-dim);display:block;margin-bottom:4px}.login-card input{width:100%}.search-bar{display:flex;gap:10px;margin-bottom:14px}.search-bar input{flex:1;font-size:16px;padding:10px 14px}.product-row{cursor:pointer}.product-row:hover{background:#f0f4f8}.barcode-chip{display:inline-flex;align-items:center;gap:6px;background:#e8edf2;border-radius:6px;padding:2px 4px 2px 10px;font-size:13px;font-variant-numeric:tabular-nums;margin:2px 4px 2px 0}.barcode-chip button{border:none;background:transparent;cursor:pointer;color:var(--text-dim);font-size:14px;padding:0 5px;line-height:1.4}.barcode-chip button:hover{color:var(--danger)}.scan-input{font-size:20px!important;padding:14px 16px!important;width:100%;letter-spacing:1px}.scan-feedback{margin-top:10px;padding:12px 16px;border-radius:8px;font-size:16px}.scan-feedback.ok{background:#e2f3ea;color:var(--ok)}.scan-feedback.err{background:#f9e4e1;color:var(--danger)}.tabs{display:flex;gap:4px;margin-bottom:16px;border-bottom:2px solid var(--border)}.tabs button{border:none;background:transparent;padding:9px 16px;font-size:15px;cursor:pointer;color:var(--text-dim);border-bottom:2px solid transparent;margin-bottom:-2px;font-family:inherit}.tabs button.active{color:var(--brand);border-bottom-color:var(--brand);font-weight:600}.qty-input{width:70px;text-align:right}.setting-row{display:grid;grid-template-columns:1fr 220px;gap:14px;align-items:center;padding:10px 0;border-bottom:1px solid var(--border)}.setting-row:last-child{border-bottom:none}.setting-desc{font-size:13px;color:var(--text-dim);margin-top:2px}.setting-key{font-weight:500;font-size:14px}.saved-flash{color:var(--ok);font-size:13px;margin-left:8px}.print-only{display:none}@media print{.topbar,.no-print{display:none!important}.print-only{display:block!important}body{background:#fff}.content{max-width:none;padding:0}}.delivery-note{color:#000;font-size:13px}.delivery-note h1{font-size:20px;margin-bottom:16px}.delivery-note th,.delivery-note td{border-bottom:1px solid #999}.signature-line{margin-top:70px;border-top:1px solid #000;width:320px;padding-top:4px;font-size:12px}@media (max-width: 700px){.content{padding:12px}.setting-row{grid-template-columns:1fr}.topbar{gap:10px;padding:8px 12px;height:auto}}