:root{--bg:#f4f6fb;--surface:#ffffff;--border:#e3e8f0;--text:#1b2435;--muted:#6b7689;--primary:#2f5bea;--primary-dark:#1f43c0;--success:#1d9a6c;--success-bg:#e7f7f0;--danger:#d8453a;--danger-bg:#fdeceb;--warn:#b7791f;--warn-bg:#fdf3e0;--shadow:0 1px 2px rgba(20,30,60,0.06),0 4px 16px rgba(20,30,60,0.06);--radius:12px}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}h1{font-size:1.6rem;margin:0 0 4px}h2{font-size:1.15rem;margin:0 0 12px}.muted{color:var(--muted)}.small{font-size:.85rem}.app-header{background:var(--surface);border-bottom:1px solid var(--border);position:-webkit-sticky;position:sticky;top:0;z-index:10}.app-header-inner{max-width:1180px;margin:0 auto;padding:14px 24px;gap:18px}.app-header-inner,.brand{display:flex;align-items:center}.brand{font-weight:700;font-size:1.05rem;color:var(--text);gap:8px}.brand:hover{text-decoration:none}.nav{display:flex;gap:16px;align-items:center}.nav a{color:var(--muted);font-weight:500}.nav a:hover{color:var(--text);text-decoration:none}.spacer{flex:1 1}.user-chip{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:.9rem}.container{max-width:1180px;margin:0 auto;padding:28px 24px 64px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px}.card+.card{margin-top:22px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border:1px solid var(--border);background:var(--surface);color:var(--text);border-radius:9px;padding:9px 16px;font-size:.92rem;font-weight:600;cursor:pointer;transition:background .12s,border-color .12s,opacity .12s}.btn:hover{background:#f6f8fc;text-decoration:none}.btn-primary{background:var(--primary);border-color:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-danger{background:#fff;border-color:#f0c3bf;color:var(--danger)}.btn-danger:hover{background:var(--danger-bg)}.btn:disabled{opacity:.55;cursor:not-allowed}.btn-sm{padding:6px 11px;font-size:.84rem}label{display:block;font-weight:600;font-size:.88rem;margin-bottom:6px}input[type=date],input[type=file],input[type=number],input[type=password],input[type=text],select{width:100%;padding:10px 12px;border:1px solid var(--border);border-radius:9px;font-size:.95rem;background:#fff;color:var(--text)}input:focus,select:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,91,234,.15)}.field{margin-bottom:14px}.row{display:flex;gap:14px;flex-wrap:wrap}.row>.field{flex:1 1;min-width:160px}.alert{border-radius:9px;padding:10px 14px;font-size:.9rem;margin-bottom:14px}.alert-error{background:var(--danger-bg);color:var(--danger);border:1px solid #f3c9c5}.alert-success{background:var(--success-bg);color:var(--success);border:1px solid #c4ecdb}.badge{display:inline-block;padding:2px 10px;border-radius:999px;font-size:.76rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em}.badge-open{background:var(--success-bg);color:var(--success)}.badge-closed{background:#eef1f6;color:var(--muted)}.badge-role{background:#eaf0ff;color:var(--primary-dark)}.table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius)}table{width:100%;border-collapse:collapse;font-size:.9rem;background:var(--surface)}td,th{padding:11px 14px;text-align:left;border-bottom:1px solid var(--border);white-space:nowrap}th{background:#f7f9fc;font-weight:700;color:var(--muted);font-size:.8rem;text-transform:uppercase;letter-spacing:.03em}tbody tr:hover{background:#fafbfe}tbody tr:last-child td{border-bottom:none}.num{text-align:right;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.total-row td{background:#f4f7ff;font-weight:700;border-top:2px solid var(--border)}.danger-text{color:var(--danger);font-weight:700}td input.sold-input{width:92px;padding:6px 8px;text-align:right}.stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));grid-gap:14px;gap:14px;margin-bottom:22px}.stat{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px 18px;box-shadow:var(--shadow)}.stat .label{font-size:.78rem;text-transform:uppercase;letter-spacing:.04em;color:var(--muted);font-weight:700;margin-bottom:6px}.stat .value{font-size:1.35rem;font-weight:700;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.auth-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:24px}.auth-card{width:100%;max-width:380px}.auth-card .card{padding:28px}.page-head{align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:22px}.page-head,.toolbar{display:flex;flex-wrap:wrap}.toolbar{gap:10px;align-items:center}.empty{text-align:center;padding:40px 20px;color:var(--muted)}.saved-tick{color:var(--success);font-size:.8rem;font-weight:700}.picker{position:relative;display:inline-block}.picker-menu{position:absolute;z-index:50;top:calc(100% + 4px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:10px;box-shadow:var(--shadow);display:flex;align-items:stretch;overflow:hidden}.picker-col{max-height:320px;overflow-y:auto;padding:6px}.picker-col.vendors{min-width:190px;border-right:1px solid var(--border)}.picker-col.products{min-width:210px}.picker-vendor{padding:8px 12px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:10px;align-items:center;white-space:nowrap}.picker-vendor.active,.picker-vendor:hover{background:#f2f5fc}.picker-product{padding:8px 12px;border-radius:8px;cursor:pointer;display:flex;justify-content:space-between;gap:12px;white-space:nowrap}.picker-product:hover{background:#eaf0ff}.picker-empty{padding:10px 12px;color:var(--muted);font-size:.85rem;white-space:nowrap}.panel-overlay{position:fixed;inset:0;background:rgba(10,20,40,.35);z-index:100}.panel{position:fixed;top:0;left:0;height:100vh;width:min(440px,94vw);background:var(--surface);box-shadow:2px 0 30px rgba(0,0,0,.25);z-index:101;transform:translateX(-100%);transition:transform .25s ease;display:flex;flex-direction:column}.panel.open{transform:translateX(0)}.panel-head{padding:18px 20px;border-bottom:1px solid var(--border);display:flex;justify-content:space-between;align-items:center}.panel-body{padding:16px 20px;overflow-y:auto}.link-btn{background:none;border:none;color:var(--primary);cursor:pointer;font-weight:600;font-size:.85rem;padding:0}.link-btn:hover{text-decoration:underline}