:root{--color-primary:#003c71;--color-primary-dark:#002b52;--color-primary-light:#e8f0f9;--color-accent:#f5a623;--color-accent-light:#fff8e8;--color-success:#2e7d32;--color-success-bg:#e8f5e9;--color-error:#c62828;--color-error-bg:#fce4ec;--color-warning:#e65100;--color-warning-bg:#fff3e0;--color-text:#1a1a2e;--color-text-secondary:#5a5a7a;--color-border:#e2e5f0;--color-bg:#f4f6fc;--color-card:#fff;--color-header-bg:linear-gradient(135deg, #003c71 0%, #002b52 100%);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--shadow-sm:0 1px 3px #0000000f;--shadow-md:0 4px 16px #003c711a;--shadow-lg:0 8px 32px #0000001a;--font:"Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;--transition:.2s ease}*,:before,:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth;font-size:16px}body{font-family:var(--font);background:var(--color-bg);color:var(--color-text);min-height:100vh;line-height:1.6}.app{max-width:1060px;margin:0 auto;padding:24px 16px 48px}.app-header{background:var(--color-header-bg);color:#fff;border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);flex-wrap:wrap;justify-content:space-between;align-items:center;padding:20px 28px;display:flex;position:relative;overflow:hidden}.app-header:before{content:"";pointer-events:none;background:#ffffff08;border-radius:50%;width:300px;height:300px;position:absolute;top:-50%;right:-10%}.header-left{align-items:center;gap:16px;display:flex}.header-icon{border-radius:var(--radius-md);background:#ffffff26;flex-shrink:0;justify-content:center;align-items:center;width:44px;height:44px;font-size:1.3rem;display:flex}.header-title h1{letter-spacing:-.02em;font-size:1.25rem;font-weight:800}.header-title span{opacity:.7;font-size:.75rem;font-weight:500}.header-nav{flex-wrap:wrap;gap:4px;display:flex}.nav-btn{color:#ffffffbf;border-radius:var(--radius-sm);cursor:pointer;font-size:.8rem;font-weight:500;font-family:var(--font);transition:all var(--transition);white-space:nowrap;background:#ffffff14;border:1px solid #ffffff1f;align-items:center;gap:6px;padding:8px 16px;display:flex}.nav-btn:hover{color:#fff;background:#ffffff26}.nav-btn.active{color:var(--color-primary);background:#fff;border-color:#fff;box-shadow:0 2px 8px #00000026}.main-card{background:var(--color-card);border-radius:0 0 var(--radius-lg) var(--radius-lg);box-shadow:var(--shadow-md);margin-top:-4px;padding:0;animation:.25s fadeSlideIn}@keyframes fadeSlideIn{0%{opacity:0;transform:translateY(6px)}to{opacity:1;transform:translateY(0)}}.card-body{padding:28px 28px 32px}.section-title{color:var(--color-primary);align-items:center;gap:10px;margin-bottom:20px;font-size:1.15rem;font-weight:700;display:flex}.section-title .icon{font-size:1.2rem}.badge{border-radius:20px;align-items:center;gap:4px;padding:2px 10px;font-size:.75rem;font-weight:600;line-height:1.5;display:inline-flex}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-error{background:var(--color-error-bg);color:var(--color-error)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-info{background:var(--color-primary-light);color:var(--color-primary)}.stock-count{font-size:.95rem;font-weight:700}.form-grid{grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;margin-bottom:16px;display:grid}.form-group{flex-direction:column;gap:4px;display:flex}.form-group label{color:var(--color-text-secondary);text-transform:uppercase;letter-spacing:.04em;font-size:.75rem;font-weight:600}.input,input:where(:not([type=submit],[type=button])){border:1.5px solid var(--color-border);border-radius:var(--radius-sm);font-size:.9rem;font-family:var(--font);transition:border-color var(--transition), box-shadow var(--transition);background:#fff;width:100%;padding:10px 14px}.input:focus,input:focus{border-color:var(--color-primary);outline:none;box-shadow:0 0 0 3px #003c711a}.input::placeholder{color:#aab0c0}.btn{border-radius:var(--radius-sm);font-size:.85rem;font-weight:600;font-family:var(--font);cursor:pointer;transition:all var(--transition);white-space:nowrap;border:none;justify-content:center;align-items:center;gap:6px;padding:10px 22px;display:inline-flex}.btn-primary{background:var(--color-primary);color:#fff}.btn-primary:hover{background:var(--color-primary-dark);transform:translateY(-1px);box-shadow:0 2px 10px #003c714d}.btn-primary:active{transform:translateY(0)}.btn-outline{color:var(--color-text-secondary);border:1.5px solid var(--color-border);background:0 0}.btn-outline:hover{border-color:var(--color-primary);color:var(--color-primary);background:var(--color-primary-light)}.btn-sm{padding:6px 14px;font-size:.8rem}.table-container{border:1px solid var(--color-border);border-radius:var(--radius-md);overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:.85rem}thead th{text-align:left;text-transform:uppercase;letter-spacing:.05em;color:var(--color-text-secondary);border-bottom:1px solid var(--color-border);background:#f8fafd;padding:12px 16px;font-size:.7rem;font-weight:700}tbody td{vertical-align:middle;border-bottom:1px solid #f0f2f8;padding:11px 16px}tbody tr:last-child td{border-bottom:none}tbody tr:hover td{background:var(--color-primary-light)}tbody tr:nth-child(2n) td{background:#fafbfe}tbody tr:nth-child(2n):hover td{background:var(--color-primary-light)}.alert{border-radius:var(--radius-sm);align-items:center;gap:10px;margin-top:12px;padding:12px 16px;font-size:.85rem;animation:.2s fadeSlideIn;display:flex}.alert-error{background:var(--color-error-bg);color:var(--color-error);border-left:3px solid var(--color-error)}.alert-success{background:var(--color-success-bg);color:var(--color-success);border-left:3px solid var(--color-success)}.alert-info{background:var(--color-primary-light);color:var(--color-primary);border-left:3px solid var(--color-primary)}.result-card{border:1px solid var(--color-border);border-radius:var(--radius-md);background:#fafbfe;flex-direction:column;gap:6px;margin-top:16px;padding:20px;display:flex}.result-card .title{font-size:1rem;font-weight:700}.result-card .meta{color:var(--color-text-secondary);font-size:.8rem}.empty-state{text-align:center;color:var(--color-text-secondary);padding:40px 20px}.empty-state .icon{opacity:.5;margin-bottom:8px;font-size:2.5rem}.empty-state p{font-size:.9rem}.spinner{border:2px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;width:18px;height:18px;animation:.6s linear infinite spin;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}@media (width<=768px){.app{padding:12px 8px 32px}.app-header{flex-direction:column;align-items:stretch;gap:12px;padding:16px 18px}.header-nav{justify-content:center}.nav-btn{padding:6px 12px;font-size:.75rem}.card-body{padding:20px 16px}.form-grid{grid-template-columns:1fr}thead th,tbody td{padding:8px 10px;font-size:.78rem}}@media (width<=480px){.header-nav{gap:3px}.nav-btn{padding:5px 9px;font-size:.7rem}.section-title{font-size:1rem}}