*,:after,:before{box-sizing:border-box;margin:0;padding:0}:root{--bg:#f8f7f4;--surface:#fff;--surface2:#f2f0ec;--border:#e5e2db;--border2:#d1cdc5;--text:#1a1916;--text2:#6b6860;--text3:#9c9a95;--accent:#1a1916;--accent-fg:#fff;--green:#2d6a4f;--green-bg:#d8f3dc;--amber:#92400e;--amber-bg:#fef3c7;--red:#991b1b;--red-bg:#fee2e2;--blue:#1e40af;--blue-bg:#dbeafe;--radius:10px;--radius-lg:14px;--shadow:0 1px 3px rgba(0,0,0,.08),0 1px 2px rgba(0,0,0,.04);--shadow-lg:0 4px 24px rgba(0,0,0,.1)}html{font-size:16px;-webkit-font-smoothing:antialiased}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.6;min-height:100vh}h1{font-size:2.25rem;font-weight:700;letter-spacing:-.03em;line-height:1.15}h2{font-size:1.5rem;letter-spacing:-.02em;line-height:1.25}h2,h3{font-weight:600}h3{font-size:1.125rem;letter-spacing:-.01em}h4{font-size:.9375rem;font-weight:500}p{color:var(--text2);line-height:1.7}a{color:inherit;text-decoration:none}code{font-family:SF Mono,Fira Code,monospace;font-size:.875em;background:var(--surface2);padding:.15em .4em;border-radius:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;padding:9px 18px;border-radius:var(--radius);font-size:.9rem;font-weight:500;cursor:pointer;border:none;font-family:inherit;line-height:1;transition:all .15s;text-decoration:none;white-space:nowrap}.btn-primary{background:var(--accent);color:var(--accent-fg)}.btn-primary:hover{opacity:.85;transform:translateY(-1px);box-shadow:0 4px 12px rgba(0,0,0,.2)}.btn-secondary{background:var(--surface);color:var(--text);border:1.5px solid var(--border2)}.btn-secondary:hover{background:var(--surface2);border-color:var(--border2)}.btn-ghost{background:transparent;color:var(--text2);border:1.5px solid var(--border)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}.btn-danger{background:var(--red-bg);color:var(--red);border:none}.btn-danger:hover{background:#fca5a5}.btn-lg{padding:13px 28px;font-size:1rem;border-radius:12px}.btn-sm{padding:6px 12px;font-size:.8125rem}.btn:disabled{opacity:.5;cursor:not-allowed;transform:none!important}.field{display:flex;flex-direction:column;gap:5px}.field label{font-size:.8125rem;font-weight:500;color:var(--text)}.field input,.field select,.field textarea{padding:10px 12px;border:1.5px solid var(--border);border-radius:var(--radius);font-size:.9rem;font-family:inherit;color:var(--text);background:var(--surface);transition:border-color .15s;outline:none;resize:vertical}.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--accent)}.field input::placeholder,.field textarea::placeholder{color:var(--text3)}.field .hint{font-size:.78rem;color:var(--text3);margin-top:2px}.card{background:var(--surface);border:1.5px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow)}.badge{display:inline-flex;align-items:center;padding:3px 10px;border-radius:20px;font-size:.75rem;font-weight:500}.badge-gray{background:var(--surface2);color:var(--text2)}.badge-green{background:var(--green-bg);color:var(--green)}.badge-amber{background:var(--amber-bg);color:var(--amber)}.badge-red{background:var(--red-bg);color:var(--red)}.badge-blue{background:var(--blue-bg);color:var(--blue)}.nav{background:var(--surface);border-bottom:1.5px solid var(--border);padding:0 24px;justify-content:space-between;height:58px;position:-webkit-sticky;position:sticky;top:0;z-index:50}.nav,.nav-logo{display:flex;align-items:center}.nav-logo{font-size:1.125rem;font-weight:700;letter-spacing:-.03em;gap:8px}.logo-mark{width:30px;height:30px;background:var(--accent);border-radius:8px;display:flex;align-items:center;justify-content:center}.logo-mark svg{width:16px;height:16px;fill:#fff}.container{max-width:1100px}.container,.container-sm{margin:0 auto;padding:0 24px}.container-sm{max-width:700px}.container-xs{max-width:520px;margin:0 auto;padding:0 24px}.grid-2{grid-template-columns:1fr 1fr;grid-gap:16px}.grid-2,.grid-3{display:grid;gap:16px}.grid-3{grid-template-columns:repeat(3,1fr);grid-gap:16px}.grid-auto{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));grid-gap:16px;gap:16px}@media (max-width:600px){h1{font-size:1.75rem}.grid-2,.grid-3{grid-template-columns:1fr}.container,.container-sm,.container-xs,.nav{padding:0 16px}}hr{border:none;border-top:1.5px solid var(--border);margin:24px 0}@media print{body{background:#fff}.no-print{display:none!important}.print-qr-page{padding:20px}}.spinner{width:20px;height:20px;border:2px solid var(--border);border-top-color:var(--accent);border-radius:50%;animation:spin .7s linear infinite}@keyframes spin{to{transform:rotate(1turn)}}.toast-container{position:fixed;bottom:24px;right:24px;z-index:1000;display:flex;flex-direction:column;gap:8px}.toast{background:var(--accent);color:var(--accent-fg);padding:12px 18px;border-radius:var(--radius);font-size:.875rem;box-shadow:var(--shadow-lg);animation:toastIn .2s ease}.toast.error{background:var(--red)}@keyframes toastIn{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}.cat-electronics{background:#dbeafe;color:#1e40af}.cat-tools{background:#fef3c7;color:#92400e}.cat-furniture{background:#d1fae5;color:#065f46}.cat-clothing{background:#fce7f3;color:#9d174d}.cat-other{background:var(--surface2);color:var(--text2)}