:root{--bg:#f3f5f9;--surface:#fff;--border:#e3e8ef;--border-2:#eef1f6;--text:#1f2937;--text-2:#4b5563;--muted:#6b7280;--primary:#2563eb;--primary-d:#1d4ed8;--success:#16a34a;--success-d:#15803d;--warn:#d97706;--warn-d:#b45309;--danger:#dc2626;--danger-d:#b91c1c;--shadow-sm:0 1px 2px rgba(15,23,42,.04);--shadow:0 1px 2px rgba(15,23,42,.04),0 4px 12px rgba(15,23,42,.05);--radius:12px;--radius-sm:8px}
*{box-sizing:border-box}html,body{margin:0;padding:0}body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;color:var(--text);background:var(--bg);font-size:14.5px;line-height:1.5}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
.muted{color:var(--muted)}.small{font-size:.85em}.r{text-align:right}.text-danger{color:var(--danger)}
.hint{display:inline-block;font-weight:400;font-size:12.5px;color:var(--muted);margin-left:4px}
.topbar{background:var(--surface);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:10;box-shadow:var(--shadow-sm)}
.topbar-inner{display:flex;align-items:center;gap:24px;padding:12px 0;flex-wrap:wrap}
.brand{font-weight:700;font-size:18px;color:var(--text);text-decoration:none}.brand:hover{text-decoration:none}
.mainnav{display:flex;gap:4px;flex-wrap:wrap;flex:1}
.mainnav a{padding:8px 14px;border-radius:8px;color:var(--text-2);font-weight:500;transition:.15s}
.mainnav a:hover{background:var(--bg);color:var(--text);text-decoration:none}
.mainnav a.active{background:var(--primary);color:#fff}
.userbox{display:flex;align-items:center;gap:10px}.userbox .hi{color:var(--muted);font-size:13px}
.container{max-width:1280px;margin:0 auto;padding:0 18px}main.container{padding-top:22px;padding-bottom:60px}
.page-head{display:flex;justify-content:space-between;align-items:center;gap:12px;margin:10px 0 20px;flex-wrap:wrap}
.page-head h1{margin:0;font-size:24px;font-weight:700;letter-spacing:-.3px}
.page-actions{display:flex;gap:8px;flex-wrap:wrap}
.section-title{margin:22px 0 12px;font-size:13px;font-weight:600;color:var(--text-2);letter-spacing:.5px;text-transform:uppercase;padding-bottom:8px;border-bottom:1px solid var(--border-2)}
.section-title:first-child{margin-top:4px}
.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;margin-bottom:16px;box-shadow:var(--shadow)}
.card.no-pad{padding:0;overflow:hidden}
.card h2,.card h3{margin:0 0 12px}
.card-head{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--border-2)}
.card-head h2{margin:0;font-size:16px}
.empty{text-align:center;color:var(--muted);padding:36px 16px}
.empty-inline{color:var(--muted);padding:10px 0;margin:0}
.stat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px;margin-bottom:18px}
.stat-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:18px;box-shadow:var(--shadow);display:flex;gap:14px;align-items:center}
.stat-icon{font-size:32px;line-height:1;opacity:.9;flex-shrink:0}
.stat-content{flex:1;min-width:0}
.stat-card .stat-label{color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.5px;font-weight:600}
.stat-card .stat-value{font-size:28px;font-weight:700;margin-top:4px;line-height:1.1}
.stat-card .stat-value-small{font-size:18px;font-weight:700;margin-top:4px;line-height:1.1}
.stat-card .stat-value-small .cur{font-size:12px;color:var(--muted);margin-left:2px;font-weight:500}
.stat-card .stat-sub{color:var(--muted);font-size:13px;margin-top:2px}
.stat-blue{border-left:4px solid var(--primary)}
.stat-purple{border-left:4px solid #8b5cf6}
.stat-green{border-left:4px solid var(--success)}
.stat-alert{border-left:4px solid var(--danger);background:linear-gradient(135deg,#fef2f2,#fff5f5)}
.stat-alert .stat-value{color:var(--danger)}
.stat-gray{border-left:4px solid #94a3b8}
.rate-strip{background:linear-gradient(90deg,#eff6ff,#f0f9ff);border:1px solid #bfdbfe;border-radius:var(--radius-sm);padding:10px 14px;font-size:13px;color:#1e40af;margin-bottom:18px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:16px}
@media(max-width:900px){.grid-2{grid-template-columns:1fr}}
.table{width:100%;border-collapse:collapse;font-size:14px}
.table th,.table td{padding:10px 12px;border-bottom:1px solid var(--border-2);text-align:left;vertical-align:top}
.table th{font-weight:600;color:var(--muted);font-size:11.5px;text-transform:uppercase;letter-spacing:.4px;background:#fafbfd}
.table tbody tr:hover{background:#fafbfd}.table tbody tr:last-child td{border-bottom:none}
.table-modern td{padding:14px 12px}
.row-low td{background:#fff8ed}.row-low:hover td{background:#fff3df !important}
.item-name{font-weight:600;color:var(--text);font-size:14.5px}.item-name:hover{color:var(--primary)}
.item-meta{display:flex;flex-wrap:wrap;gap:4px;margin-top:5px}
.chip{display:inline-block;padding:2px 8px;background:#eef1f6;color:var(--text-2);border-radius:6px;font-size:11.5px;font-weight:500}
.chip-barcode{background:#fef3c7;color:#92400e}
.qty-cell{font-size:15px}
.badge{display:inline-block;padding:3px 9px;border-radius:999px;font-size:11px;font-weight:600}
.badge-in{background:#dcfce7;color:#15803d}.badge-out{background:#fee2e2;color:#b91c1c}.badge-adj{background:#e0e7ff;color:#4338ca}
.badge-low{background:#fef3c7;color:#92400e;padding:0 6px}
.btn{display:inline-flex;align-items:center;gap:5px;padding:8px 14px;border-radius:8px;border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;font:inherit;font-weight:500;text-decoration:none;transition:.15s}
.btn:hover{background:#f3f4f6;text-decoration:none}
.btn-sm{padding:5px 10px;font-size:12.5px}.btn-lg{padding:10px 18px;font-size:14.5px;font-weight:600}
.btn-block{display:block;width:100%;text-align:center;justify-content:center}
.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-d);border-color:var(--primary-d);color:#fff}
.btn-secondary{background:#0f172a;border-color:#0f172a;color:#fff}.btn-secondary:hover{background:#1e293b;color:#fff}
.btn-success{background:var(--success);border-color:var(--success);color:#fff}.btn-success:hover{background:var(--success-d);border-color:var(--success-d);color:#fff}
.btn-warn{background:var(--warn);border-color:var(--warn);color:#fff}.btn-warn:hover{background:var(--warn-d);border-color:var(--warn-d);color:#fff}
.btn-danger{background:var(--danger);border-color:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-d);border-color:var(--danger-d);color:#fff}
.btn-ghost{background:transparent;border-color:transparent;color:var(--muted)}.btn-ghost:hover{background:var(--bg);color:var(--text)}
.action-cell{white-space:nowrap}.action-cell .btn{margin-left:2px}
.link{color:var(--primary);font-size:13px;font-weight:500}
form label{display:block;margin-bottom:0;font-weight:500;font-size:13px;color:var(--text-2)}
form label .hint{display:block;font-weight:400;font-size:12px;color:var(--muted);margin-top:3px}
input[type=text],input[type=email],input[type=password],input[type=search],input[type=date],input[type=number],select,textarea{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:8px;background:#fff;color:var(--text);font:inherit;margin-top:5px;transition:.15s}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(37,99,235,.12)}
input:disabled{background:#f9fafb;color:var(--muted)}
textarea{resize:vertical;min-height:60px}
.form-card{padding:22px}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:14px 18px}
.form-grid .span-2{grid-column:span 2}
@media(max-width:640px){.form-grid .span-2{grid-column:span 1}}
.form-actions{margin-top:18px;display:flex;gap:8px;flex-wrap:wrap}
.form-inline{display:flex;gap:8px;align-items:center;flex-wrap:wrap}
.form-inline input{flex:1;min-width:200px;margin-top:0}.form-inline label{margin:0}
.price-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-bottom:8px}
.price-block{background:#fafbfd;border:1px solid var(--border-2);border-radius:var(--radius-sm);padding:14px}
.price-block-label{font-size:11.5px;font-weight:700;color:var(--text-2);letter-spacing:.5px;margin-bottom:10px}
.dual-input{display:grid;grid-template-columns:1fr 1fr;gap:10px}.dual-input label{margin-bottom:0}
.conv-buttons{display:flex;gap:6px;margin-top:10px;flex-wrap:wrap}
.conv-buttons .btn{flex:1;min-width:0;font-size:11.5px;padding:5px 8px;background:#fff}
.filter-bar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:12px 14px;margin-bottom:16px;box-shadow:var(--shadow)}
.filter-bar input,.filter-bar select{margin:0;width:auto}.filter-bar input[type=search]{flex:1;min-width:240px}
.checkbox{display:flex;align-items:center;gap:6px;margin:0;font-weight:500;color:var(--text-2);font-size:13px;cursor:pointer}.checkbox input{width:auto;margin:0}
.flash{padding:11px 16px;border-radius:var(--radius-sm);margin-bottom:12px;border:1px solid;font-size:14px}
.flash-success{background:#f0fdf4;border-color:#bbf7d0;color:#166534}
.flash-error{background:#fef2f2;border-color:#fecaca;color:#991b1b}
.flash-warn{background:#fffbeb;border-color:#fde68a;color:#92400e}
.token-box{display:flex;gap:8px;align-items:center;margin-top:5px;flex-wrap:wrap}
.token-box code{flex:1;padding:10px 12px;background:#f3f4f6;border-radius:8px;border:1px solid var(--border);font-size:13px;word-break:break-all;min-width:220px;font-family:ui-monospace,monospace}
pre.code{background:#0f172a;color:#e2e8f0;padding:16px;border-radius:var(--radius-sm);overflow:auto;font-size:12.5px;margin:10px 0}
details summary{cursor:pointer;color:var(--primary);margin:10px 0;font-weight:500}
.danger-zone{border-color:#fecaca;background:#fff8f8}.danger-zone h3{color:var(--danger)}
.auth-page{display:flex;align-items:center;justify-content:center;min-height:100vh;background:linear-gradient(135deg,#f3f5f9,#eef2f7);padding:20px}
.auth-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:32px 30px;max-width:400px;width:100%;box-shadow:var(--shadow)}
.auth-card h1{margin:0 0 8px;font-size:22px}.auth-sub{color:var(--muted);margin:0 0 18px}
.footer{padding:24px 0;color:var(--muted);font-size:12px;text-align:center}
@media(max-width:640px){.container{padding:0 12px}.page-head h1{font-size:20px}.stat-card{padding:14px}.stat-icon{font-size:26px}.stat-card .stat-value{font-size:22px}}