@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--primary: #4f46e5;--primary-dark: #3730a3;--primary-light: #eef2ff;--success: #059669;--success-light: #d1fae5;--danger: #dc2626;--danger-light: #fee2e2;--warning: #d97706;--warning-light: #fef3c7;--bg: #f1f5f9;--surface: #ffffff;--border: #e2e8f0;--text: #0f172a;--muted: #64748b;--shadow-sm: 0 1px 3px rgba(0,0,0,.07), 0 1px 2px rgba(0,0,0,.05);--shadow: 0 4px 6px -1px rgba(0,0,0,.07), 0 2px 4px -1px rgba(0,0,0,.04);--shadow-md: 0 10px 15px -3px rgba(0,0,0,.08), 0 4px 6px -2px rgba(0,0,0,.04);--radius-sm: 8px;--radius: 12px;--radius-lg: 16px;--nav-h: 64px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{font-family:Inter,system-ui,-apple-system,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;-webkit-font-smoothing:antialiased;min-height:100vh}img{max-width:100%;display:block}button{cursor:pointer;font-family:inherit;transition:all .15s ease;font-weight:500}button:disabled{opacity:.55;cursor:not-allowed!important}input,textarea,select{font-family:inherit;outline:none;transition:border-color .15s,box-shadow .15s}input:focus,textarea:focus,select:focus{border-color:var(--primary)!important;box-shadow:0 0 0 3px #4f46e526!important}.navbar{position:sticky;top:0;z-index:100;height:var(--nav-h);background:var(--surface);border-bottom:1px solid var(--border);box-shadow:var(--shadow-sm);display:flex;align-items:center;padding:0 32px;gap:24px}.navbar-brand{font-size:1.125rem;font-weight:700;color:var(--primary);letter-spacing:-.3px;white-space:nowrap}.navbar-brand span{color:var(--text)}.navbar-links{display:flex;gap:4px}.nav-link{padding:6px 14px;border-radius:var(--radius-sm);border:none;background:none;color:var(--muted);font-size:.875rem;font-weight:500}.nav-link:hover{color:var(--text);background:var(--bg)}.nav-link.active{color:var(--primary);background:var(--primary-light)}.navbar-right{display:flex;align-items:center;gap:12px;margin-left:auto}.navbar-user{font-size:.8125rem;color:var(--muted);font-weight:500;white-space:nowrap}.btn-logout{padding:6px 16px;border:1.5px solid var(--border);border-radius:var(--radius-sm);background:none;color:var(--muted);font-size:.8125rem}.btn-logout:hover{border-color:var(--danger);color:var(--danger);background:var(--danger-light)}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}@media (max-width: 900px){.product-grid{grid-template-columns:repeat(2,1fr)}}@media (max-width: 540px){.product-grid{grid-template-columns:1fr}}.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:28px}@media (max-width: 700px){.feature-grid{grid-template-columns:1fr}}.cart-layout{display:grid;grid-template-columns:1fr 300px;gap:24px;align-items:start}@media (max-width: 768px){.cart-layout{grid-template-columns:1fr}}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:16px}@media (max-width: 560px){.form-row{grid-template-columns:1fr}}.card-hover{transition:transform .18s ease,box-shadow .18s ease}.card-hover:hover{transform:translateY(-3px);box-shadow:var(--shadow-md)!important}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:9px 20px;border:none;border-radius:var(--radius-sm);font-size:.9rem;font-weight:600;transition:all .15s;white-space:nowrap}.btn:active:not(:disabled){transform:scale(.97)}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-dark)}.btn-success{background:var(--success);color:#fff}.btn-success:hover:not(:disabled){background:#047857}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:#b91c1c}.btn-ghost{background:none;border:1.5px solid var(--border);color:var(--muted)}.btn-ghost:hover:not(:disabled){border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.btn-full{width:100%}.btn-sm{padding:6px 14px;font-size:.8125rem}.field-label{display:block;font-size:.8125rem;font-weight:600;color:var(--text);margin-bottom:6px}.field-input{display:block;width:100%;padding:9px 12px;border:1.5px solid var(--border);border-radius:var(--radius-sm);font-size:.9rem;color:var(--text);background:var(--surface)}.field-input::placeholder{color:#94a3b8}.alert{padding:10px 14px;border-radius:var(--radius-sm);font-size:.875rem;font-weight:500;margin-bottom:12px}.alert-error{background:var(--danger-light);color:#991b1b}.alert-success{background:var(--success-light);color:#065f46}.alert-info{background:var(--primary-light);color:#3730a3}.toast{position:fixed;bottom:28px;right:28px;z-index:999;padding:12px 20px;border-radius:var(--radius);font-size:.9rem;font-weight:600;box-shadow:var(--shadow-md);animation:slideUp .25s ease;max-width:320px}.toast-ok{background:var(--success);color:#fff}.toast-error{background:var(--danger);color:#fff}@keyframes slideUp{0%{opacity:0;transform:translateY(16px)}to{opacity:1;transform:translateY(0)}}.empty-state{text-align:center;padding:56px 24px;color:var(--muted)}.empty-state-icon{font-size:3rem;margin-bottom:12px;opacity:.35}.empty-state h3{font-size:1.1rem;font-weight:600;color:var(--text);margin-bottom:6px}.empty-state p{font-size:.875rem}.spinner{display:inline-block;width:18px;height:18px;border:2.5px solid rgba(255,255,255,.35);border-top-color:#fff;border-radius:50%;animation:spin .7s linear infinite;vertical-align:middle}.spinner-dark{border-color:#4f46e533;border-top-color:var(--primary)}@keyframes spin{to{transform:rotate(360deg)}}.badge{display:inline-block;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:600}.badge-ok{background:var(--success-light);color:#065f46}.badge-out{background:var(--danger-light);color:#991b1b}.badge-low{background:var(--warning-light);color:#92400e}@media (max-width: 640px){.navbar{padding:0 16px;gap:8px}.navbar-brand{font-size:1rem}.nav-link{padding:6px 10px;font-size:.8rem}.navbar-user{display:none}}