:root{--color-bg: #f5f7fb;--color-surface: #ffffff;--color-border-subtle: #e3e8f0;--color-text-main: #1f2933;--color-text-muted: #6b7280;--color-primary: #16a34a;--color-primary-soft: #e6f8ef;--color-blue: #2563eb;--color-orange: #f97316;--color-purple: #8b5cf6;--radius-lg: 16px;--shadow-soft: 0 20px 40px rgba(15, 23, 42, .08);font-family:system-ui,-apple-system,BlinkMacSystemFont,Inter,sans-serif;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased}*,*:before,*:after{box-sizing:border-box}body{margin:0;min-height:100vh;background:var(--color-bg);color:var(--color-text-main)}a{color:inherit;text-decoration:none}button{font-family:inherit}#root{min-height:100vh}.app-root{min-height:100vh;display:flex;flex-direction:column}.app-shell{max-width:1200px;margin:24px auto 40px;padding:0 16px 32px}.app-header{display:flex;justify-content:space-between;align-items:center;padding:20px 24px;border-radius:999px;background:var(--color-surface);box-shadow:0 10px 30px #0f172a0a;margin-bottom:24px}.app-title-group{display:flex;flex-direction:column;gap:4px}.app-title{font-size:20px;font-weight:600}.app-subtitle{font-size:13px;color:var(--color-text-muted)}.app-nav{display:flex;gap:8px}.app-nav-button{padding:8px 14px;border-radius:999px;border:1px solid transparent;font-size:13px;background:transparent;color:var(--color-text-muted);display:inline-flex;align-items:center;gap:6px}.app-nav-button.is-active{background:#eff6ff;color:var(--color-blue);border-color:#dbeafe}.app-main-card{background:var(--color-surface);border-radius:28px;box-shadow:var(--shadow-soft);padding:20px 24px 28px}.app-main-tabs{display:flex;gap:16px;margin-bottom:16px;border-bottom:1px solid var(--color-border-subtle)}.app-main-tab{padding:10px 12px;font-size:13px;color:var(--color-text-muted);border-bottom:2px solid transparent;cursor:pointer}.app-main-tab.is-active{color:var(--color-blue);border-bottom-color:var(--color-blue)}.btn{display:inline-flex;align-items:center;gap:8px;padding:9px 14px;border-radius:10px;border:1px solid transparent;font-size:13px;font-weight:600;cursor:pointer;-webkit-user-select:none;user-select:none}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-icon{display:inline-flex;align-items:center}.btn--primary{background:var(--color-blue);color:#fff}.btn--secondary{background:#fff;border-color:var(--color-border-subtle);color:var(--color-text-main)}.btn--ghost{background:transparent;border-color:transparent;color:var(--color-text-muted)}.btn--danger{background:#dc2626;color:#fff}.error-banner{border:1px solid #fecaca;background:#fef2f2;color:#7f1d1d;border-radius:14px;padding:12px 14px}.error-title{font-weight:700;font-size:13px;margin-bottom:4px}.error-meta{font-size:12px;opacity:.9}.error-actions{margin-top:10px}.loader{display:inline-flex;align-items:center;gap:10px;padding:10px 12px;border-radius:12px;border:1px solid var(--color-border-subtle);background:#fff;color:var(--color-text-muted);font-size:13px}.spinner{width:14px;height:14px;border-radius:999px;border:2px solid #cbd5e1;border-top-color:var(--color-blue);animation:spin .8s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.loader-label{font-weight:600}.stat-card{flex:1;min-width:0;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#fff,#f9fafb);border:1px solid var(--color-border-subtle)}.stat-card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:8px}.stat-card-title{font-size:12px;font-weight:500;color:var(--color-text-muted);text-transform:uppercase;letter-spacing:.05em}.stat-card-badge{font-size:11px;padding:4px 8px;border-radius:999px;background:#f9fafb;border:1px solid var(--color-border-subtle)}.stat-card-value{font-size:22px;font-weight:600;margin-bottom:4px}.stat-card-subtitle{font-size:12px;color:var(--color-text-muted)}.stat-card--green .stat-card-value{color:var(--color-primary)}.stat-card--blue .stat-card-value{color:var(--color-blue)}.stat-card--orange .stat-card-value{color:var(--color-orange)}.stat-card--purple .stat-card-value{color:var(--color-purple)}.dash-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}@media(max-width:980px){.dash-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.dash-cards{grid-template-columns:1fr}}.dash-main-card{background:#f4fbff;border-radius:18px;border:1px solid #dbeafe;padding:16px}.dash-main-header{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}.dash-tabs{display:flex;gap:10px;align-items:center}.dash-tab{padding:8px 10px;background:transparent;border:none;cursor:pointer;color:var(--color-text-muted);font-size:13px;font-weight:600;border-radius:10px}.dash-tab.is-active{background:#fff;border:1px solid var(--color-border-subtle);color:var(--color-text-main)}.dash-actions{display:flex;gap:10px}.dash-content{display:grid;grid-template-columns:1.4fr 1fr;gap:14px;margin-top:12px}@media(max-width:980px){.dash-content{grid-template-columns:1fr}}.dash-section{background:#fff;border-radius:16px;border:1px solid var(--color-border-subtle);padding:14px}.dash-section-title{font-size:13px;font-weight:700;margin-bottom:10px}.dash-sales-list{display:flex;flex-direction:column;gap:10px}.dash-sale-row{display:grid;grid-template-columns:1fr auto auto;gap:12px;padding:10px 12px;border-radius:14px;border:1px solid var(--color-border-subtle);background:#fbfdff;align-items:center}.dash-sale-invoice{font-weight:700;font-size:13px}.dash-sale-sub{font-size:12px;color:var(--color-text-muted);margin-top:2px}.dash-sale-right{text-align:right}.dash-sale-amount{font-weight:700;font-size:13px}.dash-sale-date{font-size:12px;color:var(--color-text-muted)}.dash-sale-badge{font-size:11px;padding:4px 10px;border-radius:999px;background:#ecfdf3;color:#166534;border:1px solid #bbf7d0;font-weight:600;justify-self:end}.dash-low-stock{display:flex;flex-direction:column;gap:8px}.dash-low-stock-row{display:flex;justify-content:space-between;padding:9px 10px;border-radius:12px;border:1px solid var(--color-border-subtle)}.dash-low-stock-name{font-size:12px;font-weight:600}.dash-low-stock-qty{font-size:12px;color:var(--color-orange);font-weight:700}.dash-empty{font-size:12px;color:var(--color-text-muted)}.modal-backdrop{position:fixed;inset:0;background:#0f172a52;display:flex;align-items:center;justify-content:center;padding:20px;z-index:50}.modal-panel{width:100%;max-width:760px;background:#fff;border-radius:18px;border:1px solid var(--color-border-subtle);box-shadow:0 30px 80px #0f172a40}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:14px 16px;border-bottom:1px solid var(--color-border-subtle)}.modal-title{font-size:14px;font-weight:700}.modal-close{background:transparent;border:none;cursor:pointer;font-size:22px;line-height:1;color:var(--color-text-muted)}.modal-body{padding:16px}.status-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;font-size:11px;font-weight:500;border:1px solid transparent}.status-badge--active{background:#ecfdf3;color:#166534;border-color:#bbf7d0}.status-badge--low{background:#fff7ed;color:#c05621;border-color:#fed7aa}.status-badge--expired{background:#fef2f2;color:#b91c1c;border-color:#fecaca}.status-badge--out{background:#f3f4f6;color:#374151;border-color:#e5e7eb}.field{display:flex;flex-direction:column;gap:6px}.label{font-size:12px;font-weight:600;color:var(--color-text-muted)}.input,.select{height:38px;border-radius:10px;border:1px solid var(--color-border-subtle);padding:0 12px;outline:none;background:#fff}.input:focus,.select:focus{border-color:#bfdbfe;box-shadow:0 0 0 3px #3b82f626}.helper{font-size:12px;color:var(--color-text-muted)}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:12px}.grid-3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}.inv-top{display:flex;justify-content:space-between;align-items:center;gap:16px;margin-bottom:14px}.inv-title{font-size:14px;font-weight:800}.inv-subtitle{font-size:12px;color:var(--color-text-muted);margin-top:2px}.inv-top-actions{display:flex;gap:10px}.inv-cards{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;margin-bottom:18px}@media(max-width:980px){.inv-cards{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:560px){.inv-cards{grid-template-columns:1fr}}.inv-table-card{border-radius:18px;border:1px solid var(--color-border-subtle);background:#fff;padding:14px}.inv-table-header{display:flex;justify-content:space-between;align-items:flex-end;gap:12px;flex-wrap:wrap}.inv-table-title{font-size:13px;font-weight:800}.inv-filters{display:flex;gap:12px;align-items:flex-end;flex-wrap:wrap}.inv-table-wrap{margin-top:12px;overflow:auto;border-radius:14px;border:1px solid var(--color-border-subtle)}.inv-table{width:100%;border-collapse:separate;border-spacing:0;min-width:1060px}.inv-table thead th{position:sticky;top:0;background:#f8fafc;font-size:11px;text-transform:uppercase;letter-spacing:.04em;color:var(--color-text-muted);text-align:left;padding:10px;border-bottom:1px solid var(--color-border-subtle)}.inv-table tbody td{padding:10px;border-bottom:1px solid var(--color-border-subtle);font-size:12px;color:var(--color-text-main);vertical-align:middle;background:#fff}.inv-table tbody tr:hover td{background:#fbfdff}.inv-table .num{text-align:right;white-space:nowrap}.inv-table .strong{font-weight:700}.inv-table .actions{white-space:nowrap}.inv-empty{text-align:center;padding:18px 10px;color:var(--color-text-muted)}.inv-modal-actions{display:flex;justify-content:flex-end;gap:10px}