:root{--ink: #0F1B2D;--paper: #F5F6F3;--surface: #FFFFFF;--spark: #F5A623;--spark-dim: #FCE7BF;--wire-green: #2F9E63;--wire-red: #D6544A;--wire-blue: #3D7EBD;--line: #E3E5E1;--muted: #6B7280;--font-display: "Space Grotesk", sans-serif;--font-body: "Inter", -apple-system, Segoe UI, Roboto, Arial, sans-serif;--font-mono: "IBM Plex Mono", ui-monospace, monospace}*{box-sizing:border-box}body{margin:0;font-family:var(--font-body);background:var(--paper);color:var(--ink);font-size:14px}h1,h2,h3{font-family:var(--font-display);font-weight:600;letter-spacing:-.01em;margin:0 0 6px}h1{font-size:22px}h2{font-size:16px;margin-top:28px}.app-shell{display:flex;min-height:100vh}.sidebar{width:232px;background:var(--ink);color:#e8ebf0;padding:22px 16px;display:flex;flex-direction:column;gap:8px;flex-shrink:0}.brand{display:flex;align-items:center;gap:8px;padding:4px 10px 22px}.brand-mark{color:var(--spark);font-size:20px;filter:drop-shadow(0 0 6px rgba(245,166,35,.55))}.brand-text{font-family:var(--font-display);font-weight:700;font-size:17px;letter-spacing:-.01em}.nav-group{display:flex;flex-direction:column;gap:2px}.nav-switch{display:flex;align-items:center;gap:10px;color:#aeb6c4;text-decoration:none;font-size:13.5px;font-weight:500;padding:10px;border-radius:6px;border-left:2px solid transparent;transition:color .15s ease,background .15s ease}.switch-dot{width:7px;height:7px;border-radius:50%;background:#3a4356;flex-shrink:0;transition:background .15s ease,box-shadow .15s ease}.nav-switch:hover{color:#fff;background:#ffffff0a}.nav-switch.is-on{color:#fff;background:#f5a6231a;border-left-color:var(--spark)}.nav-switch.is-on .switch-dot{background:var(--spark);box-shadow:0 0 8px #f5a623d9}.sidebar-user{margin-top:auto;padding-top:18px;border-top:1px solid rgba(255,255,255,.08);display:flex;flex-direction:column;gap:10px}.user-chip{display:flex;flex-direction:column;padding:0 10px}.user-name{font-size:13px;font-weight:600;color:#fff}.user-role{font-size:11px;color:var(--spark);text-transform:uppercase;letter-spacing:.04em}.logout-btn{background:transparent;border:1px solid rgba(255,255,255,.15);color:#e8ebf0;font-size:12.5px;padding:8px;border-radius:6px;cursor:pointer}.logout-btn:hover{border-color:var(--spark);color:var(--spark);background:transparent}.content{flex:1;padding:32px 36px;max-width:1180px}.login-page{display:flex;align-items:center;justify-content:center;height:100vh;background:radial-gradient(circle at 15% 20%,rgba(245,166,35,.1),transparent 40%),var(--ink)}.login-form{background:var(--surface);padding:42px 38px;border-radius:10px;box-shadow:0 20px 60px #00000059;display:flex;flex-direction:column;gap:12px;width:320px}.login-form h1{display:flex;align-items:center;gap:8px}.login-form h1:before{content:"⚡";color:var(--spark)}.login-form p{margin:0 0 10px;color:var(--muted);font-size:13px}.login-form input{padding:11px 12px;border:1px solid var(--line);border-radius:6px;font-family:var(--font-body);font-size:14px}.login-form input:focus{outline:none;border-color:var(--spark);box-shadow:0 0 0 3px var(--spark-dim)}.login-form button{padding:11px;background:var(--ink);color:#fff;border:none;border-radius:6px;cursor:pointer;font-weight:600;margin-top:6px}.login-form button:hover{background:#1c2c47}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:18px}.button,button{background:var(--ink);color:#fff;border:none;padding:9px 16px;border-radius:6px;cursor:pointer;text-decoration:none;display:inline-block;font-family:var(--font-body);font-weight:600;font-size:13.5px}.button:hover,button:hover{background:#1c2c47}.button:disabled,button:disabled{opacity:.6;cursor:not-allowed}.bill-form>button[type=submit],.page-header .button{background:var(--spark);color:var(--ink)}.bill-form>button[type=submit]:hover,.page-header .button:hover{background:#e0951a}table{width:100%;border-collapse:collapse;background:var(--surface);border-radius:8px;overflow:hidden;box-shadow:0 1px 2px #0f1b2d0a}th,td{text-align:left;padding:12px 14px;border-bottom:1px solid var(--line);font-size:13.5px}th{background:#fafaf8;font-family:var(--font-display);font-weight:600;font-size:11.5px;text-transform:uppercase;letter-spacing:.04em;color:var(--muted)}tbody tr:last-child td{border-bottom:none}tbody tr:hover{background:#fbfaf6}.num{font-family:var(--font-mono);font-variant-numeric:tabular-nums}.cards{display:flex;gap:16px;margin-bottom:26px}.card{background:var(--surface);padding:18px 20px;border-radius:10px;flex:1;display:flex;flex-direction:column;gap:6px;box-shadow:0 1px 2px #0f1b2d0a;border-top:3px solid var(--spark)}.card.warn{border-top-color:var(--wire-red)}.card span{font-size:12px;color:var(--muted);text-transform:uppercase;letter-spacing:.03em}.card strong{font-family:var(--font-mono);font-size:26px;font-weight:600}.status{padding:3px 9px;border-radius:4px;font-size:11.5px;text-transform:capitalize;font-weight:600;letter-spacing:.02em}.status-unpaid{background:#fbeae8;color:var(--wire-red)}.status-partially_paid{background:#e9f1fa;color:var(--wire-blue)}.status-paid{background:#e7f5ec;color:var(--wire-green)}.status-select{padding:3px 8px;border-radius:4px;font-size:11.5px;font-weight:600;letter-spacing:.02em;border:1px solid transparent;cursor:pointer;font-family:var(--font-body);text-transform:capitalize}.status-select.status-unpaid{background:#fbeae8;color:var(--wire-red)}.status-select.status-partially_paid{background:#e9f1fa;color:var(--wire-blue)}.status-select.status-paid{background:#e7f5ec;color:var(--wire-green)}.status-select:hover{border-color:currentColor}.bill-form{background:var(--surface);padding:24px;border-radius:10px;margin-bottom:26px;display:flex;flex-direction:column;gap:16px;box-shadow:0 1px 2px #0f1b2d0a}.form-row{display:flex;gap:16px;flex-wrap:wrap}.form-row label,.bill-form>label{display:flex;flex-direction:column;gap:5px;font-size:12.5px;color:var(--muted);font-weight:500;flex:1;min-width:160px}.bill-form input,.bill-form select,.bill-form textarea{padding:9px 10px;border:1px solid var(--line);border-radius:6px;font-family:var(--font-body);font-size:13.5px;color:var(--ink)}.bill-form input:focus,.bill-form select:focus,.bill-form textarea:focus{outline:none;border-color:var(--spark);box-shadow:0 0 0 3px var(--spark-dim)}.bill-form table input,.bill-form table select{padding:6px 8px;font-size:13px}.totals{text-align:right;font-family:var(--font-mono);font-size:14px}.totals strong{font-size:16px}.error{color:var(--wire-red);font-size:13px;font-weight:500}.label-sheet{display:none}.label{display:inline-block;box-sizing:border-box;overflow:hidden;border:1px dashed #999;padding:8px;margin:4px;text-align:center;width:220px;page-break-inside:avoid;break-inside:avoid;vertical-align:top}.label-name{font-size:12px;font-weight:600;overflow-wrap:break-word}.label-sku{font-size:11px;color:#555}.label .barcode{display:block;width:100%;height:auto;max-width:100%;margin:4px 0}.print-sheet{background:#fff;max-width:800px}.invoice-box{border:1.5px solid #000;font-size:12.5px;color:#111;font-family:Inter,Arial,sans-serif}.invoice-box .row{display:flex}.invoice-box .cell{padding:8px 10px;border-bottom:1px solid #000}.invoice-box .cell+.cell{border-left:1px solid #000}.invoice-box .row:last-child .cell{border-bottom:none}.invoice-title{text-align:center;font-size:16px;font-weight:700;letter-spacing:.06em;padding:8px;border-bottom:1px solid #000;text-transform:uppercase}.invoice-company{flex:1.4}.invoice-company .biz-name{font-size:15px;font-weight:700;margin:0 0 3px}.invoice-company .biz-line{margin:1px 0;font-size:12px}.invoice-meta{flex:1}.invoice-meta .meta-row{display:flex;justify-content:space-between;font-size:12px;padding:1px 0}.invoice-meta .meta-row span:first-child{color:#444}.invoice-meta .meta-row span:last-child{font-weight:600}.invoice-party{flex:1}.invoice-party .party-label{font-size:10.5px;text-transform:uppercase;letter-spacing:.05em;color:#555;margin:0 0 3px}.invoice-party .party-name{font-weight:700;font-size:13px;margin:0 0 3px}.invoice-party .party-line{margin:1px 0;font-size:12px}.invoice-items{width:100%;border-collapse:collapse;font-size:12px}.invoice-items th,.invoice-items td{border:1px solid #000;padding:6px 8px;text-align:left}.invoice-items th{background:#f2f2f2;font-weight:700;text-transform:uppercase;font-size:10.5px;letter-spacing:.03em}.invoice-items td.num,.invoice-items th.num{text-align:right;font-variant-numeric:tabular-nums}.invoice-items tfoot td{font-weight:700;background:#fafafa}.invoice-tax-summary{width:100%;border-collapse:collapse;font-size:12px;margin-top:-1px}.invoice-tax-summary td{border:1px solid #000;padding:6px 8px}.invoice-tax-summary td.label{color:#444}.invoice-tax-summary td.value{text-align:right;font-weight:600;font-variant-numeric:tabular-nums}.invoice-tax-summary tr.grand-total td{font-weight:700;font-size:13.5px;background:#f2f2f2}.invoice-words{padding:8px 10px;border-bottom:1px solid #000;font-size:12px}.invoice-words strong{text-transform:uppercase}.invoice-footer{display:flex}.invoice-footer .terms{flex:1.4;padding:10px;font-size:11px;color:#333}.invoice-footer .terms ul{margin:4px 0 0;padding-left:16px}.invoice-footer .signature{flex:1;padding:10px;border-left:1px solid #000;display:flex;flex-direction:column;justify-content:space-between;min-height:90px}.invoice-footer .signature .for-line{font-size:11.5px;font-weight:600}.invoice-footer .signature .sign-line{text-align:center;font-size:11px;color:#333;border-top:1px solid #999;padding-top:4px;margin-top:auto}.invoice-print-actions{display:flex;gap:8px}@media print{@page{margin:12mm}body{background:#fff}.no-print,.sidebar,.mobile-header,.sidebar-backdrop,.page-header button,.table-scroll{display:none!important}.app-shell{display:block!important;min-height:0!important;height:auto!important}.content{display:block!important;flex:none!important;padding:0!important;max-width:100%!important;width:100%!important}.label-sheet{display:block!important}.print-sheet{box-shadow:none;padding:0;max-width:100%;page-break-inside:auto}.invoice-box{page-break-inside:avoid}}.quick-add-panel{background:var(--spark-dim);border:1px solid var(--spark);border-radius:8px;padding:14px 16px;display:flex;flex-direction:column;gap:10px}.quick-add-panel .form-row label{color:#7a5a12}.button-secondary{background:var(--surface);color:var(--ink);border:1px solid var(--line)}.button-secondary:hover{background:#f5f6f3}.stock-adjust{display:flex;gap:4px}.stock-adjust button{padding:4px 10px;font-size:15px;line-height:1;background:var(--surface);color:var(--ink);border:1px solid var(--line)}.stock-adjust button:hover{background:var(--spark-dim);border-color:var(--spark)}.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}.mobile-header{display:none}.hamburger{background:transparent;border:none;padding:6px;display:flex;flex-direction:column;gap:4px;cursor:pointer}.hamburger span{width:20px;height:2px;background:#fff;border-radius:2px}.sidebar-backdrop{display:none;position:fixed;top:0;right:0;bottom:0;left:0;background:#0f1b2d80;z-index:25}.sidebar-brand{display:none}@media (max-width: 860px){.app-shell{flex-direction:column}.mobile-header{display:flex;align-items:center;gap:14px;background:var(--ink);color:#fff;padding:12px 16px;position:sticky;top:0;z-index:20}.mobile-header .brand{padding:0}.sidebar{position:fixed;top:0;left:0;bottom:0;z-index:30;width:240px;transform:translate(-100%);transition:transform .2s ease;box-shadow:4px 0 24px #00000040}.sidebar.is-open{transform:translate(0)}.sidebar-brand{display:flex}.sidebar-backdrop{display:block}.content{padding:18px 16px 32px;max-width:100%}.cards,.form-row{flex-direction:column}.form-row label,.bill-form>label{min-width:0}.page-header{flex-direction:column;align-items:stretch;gap:10px}.page-header>div{display:flex;flex-direction:column;gap:8px}h1{font-size:19px}table{font-size:13px}th,td{padding:9px 10px}.login-form{width:90vw;max-width:340px;padding:30px 24px}}