:root{--primary:#e03131;--primary-hover:color-mix(in srgb, var(--primary) 85%, black);--primary-light:color-mix(in srgb, var(--primary) 8%, transparent);--black:#000;--white:#fff;--gray-50:#fafafa;--gray-100:#f5f5f5;--gray-200:#e5e5e5;--gray-300:#d4d4d4;--gray-400:#a3a3a3;--gray-500:#737373;--gray-700:#404040;--gray-900:#171717;--success:#16a34a;--warning:#d97706;--danger:#dc2626;--info:#2563eb;--sidebar-width:220px;--topbar-height:56px;--radius:8px;--radius-lg:14px;--bg-page:var(--gray-50);--bg-surface:var(--white);--bg-surface-2:var(--gray-50);--text-primary:var(--gray-900);--text-muted:var(--gray-500);--border-color:var(--gray-200);--shadow-card:0 1px 2px #0000000a;color:var(--gray-900);background:var(--gray-50);-webkit-font-smoothing:antialiased;font-family:Inter,system-ui,-apple-system,sans-serif;font-size:14px;line-height:1.5}*,:before,:after{box-sizing:border-box}body{margin:0}h1,h2,h3,h4{margin:0;font-weight:600}p{margin:0}a{color:inherit;text-decoration:none}button{cursor:pointer;font-family:inherit}input,select,textarea{font-family:inherit;font-size:16px}.app-shell{grid-template-columns:var(--sidebar-width) 1fr;background:var(--bg-page);height:100vh;color:var(--text-primary);display:grid}.app-shell__main{flex-direction:column;height:100vh;display:flex;overflow:hidden}.app-shell__content{flex:1;padding:24px;position:relative;overflow-y:auto}.sidebar{background:var(--bg-surface);color:var(--text-primary);flex-direction:column;height:100vh;display:flex;position:sticky;top:0}.sidebar__brand{padding:20px 16px 16px}.sidebar__brand-logo{object-fit:cover;border-radius:7px;width:32px;height:32px;margin-bottom:6px}.sidebar__brand h1{color:var(--primary);letter-spacing:.5px;font-size:16px}.sidebar__brand span{color:var(--gray-500);margin-top:2px;font-size:11px;display:block}.sidebar__nav{flex-direction:column;flex:1;gap:2px;padding:12px 8px;display:flex}.sidebar__link{border-radius:var(--radius);color:var(--gray-700);border-left:3px solid #0000;align-items:center;gap:10px;padding:9px 12px;font-size:13px;font-weight:500;transition:background .15s,color .15s;display:flex}.sidebar__link svg{flex-shrink:0;width:16px;height:16px}.sidebar__link:hover{background:var(--gray-100);color:var(--text-primary)}.sidebar__link.active{background:var(--primary-light);color:var(--primary);border-left-color:var(--primary)}.topbar{background:var(--bg-surface);height:var(--topbar-height);z-index:10;justify-content:space-between;align-items:center;padding:0 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var(--primary-light)}.form-input:disabled{background:var(--gray-100);color:var(--gray-500)}select.form-input{cursor:pointer}.card{background:var(--bg-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-card);padding:20px}.card-title{color:var(--gray-500);margin-bottom:6px;font-size:13px;font-weight:500}.card-value{color:var(--gray-900);font-size:28px;font-weight:700}.card-sub{color:var(--gray-400);margin-top:4px;font-size:12px}.table-wrap{overflow-x:auto}.table{border-collapse:collapse;width:100%;font-size:13px}.table th{text-align:left;color:var(--gray-500);white-space:nowrap;padding:10px 12px;font-weight:600}.table td{color:var(--gray-700);padding:10px 12px}.table tr:hover td{background:var(--gray-50)}.table--low-stock td{background:#dc26260d!important}.badge{border-radius:99px;align-items:center;padding:2px 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14px;font-size:13px}.alert-error{color:var(--danger);background:#dc262614}.alert-success{color:var(--success);background:#16a34a14}.alert-warning{color:var(--warning);background:#d9770614}.spinner{border:2px solid var(--gray-200);border-top-color:var(--primary);border-radius:50%;width:20px;height:20px;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-dots{align-items:center;gap:5px;display:inline-flex}.loading-dots span{background:var(--primary);border-radius:50%;width:7px;height:7px;animation:1.1s ease-in-out infinite both dot-bounce}.loading-dots span:first-child{animation-delay:-.28s}.loading-dots span:nth-child(2){animation-delay:-.14s}.loading-dots span:nth-child(3){animation-delay:0s}@keyframes 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