Add dynamic inventory type creation

static/style.css

@@ -1,3 +1,4 @@
+.type-manager{max-width:720px}.type-fields>span{display:block;color:var(--muted);font-size:12px;font-weight:700;margin-bottom:9px}.field-checklist{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px 14px}.field-checklist label{display:flex;align-items:center;gap:7px;font-size:12px;color:var(--ink)}.field-checklist input{width:auto}.type-list{border-top:1px solid var(--line);margin-top:22px;padding-top:4px}.type-row{display:flex;align-items:center;justify-content:space-between;gap:16px;border-bottom:1px solid var(--line);padding:13px 0}.type-row strong,.type-row span{display:block}.type-row span{color:var(--muted);font-size:11px;margin-top:4px;max-width:460px}.type-row .row-actions{display:flex;gap:7px;flex:none}@media(max-width:640px){.field-checklist{grid-template-columns:repeat(2,minmax(0,1fr))}.type-row{align-items:flex-start}.type-row .row-actions{flex-direction:column}.type-row span{max-width:230px}}
 .item-cell{display:flex;align-items:center;gap:11px}.item-thumb{width:38px;height:38px;object-fit:cover;border-radius:6px;background:#e8efeb;flex:none}.item-thumb.placeholder{display:grid;place-items:center;color:#8aa39b;font-size:20px}.image-count{background:#e7f3f0;color:var(--teal);font-size:10px;font-weight:700;padding:4px 5px;border-radius:4px;margin-left:-7px}.image-field input{padding:7px 0!important;border:0!important}.image-field span{display:block;color:#8c9994;font-size:10px;font-weight:400;margin-top:4px}.image-gallery{display:flex;flex-wrap:wrap;gap:9px;margin-top:11px}.gallery-item{position:relative;width:82px;height:64px}.gallery-item img{width:100%;height:100%;object-fit:cover;border-radius:6px;border:1px solid var(--line)}.gallery-delete{position:absolute;top:-7px;right:-7px;width:20px;height:20px;padding:0;border:0;border-radius:50%;background:#193f3b;color:#fff;cursor:pointer;line-height:18px}.hidden{display:none!important}
 .row-actions{opacity:1!important}
 .login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#f6f8f5,#dcece5)}.login-card{width:min(390px,calc(100% - 32px));padding:34px;background:#fff;border:1px solid var(--line);border-radius:12px;box-shadow:var(--shadow)}.login-card .brand-mark{margin-bottom:22px}.login-card h1{font-family:'Space Grotesk';margin:0 0 24px}.login-card form{display:grid;gap:16px}.login-card label,.user-form label{display:grid;gap:6px;color:var(--muted);font-size:12px;font-weight:700}.login-card input,.user-form input,.user-form select{width:100%;padding:11px;border:1px solid var(--line);border-radius:6px;background:#fff}.login-card .primary-button{margin-top:8px}.login-error{padding:10px;background:#fff0ed;color:#a33e2b;border-radius:6px;font-size:12px}.logout-button{margin-top:12px;border:0;background:transparent;color:#90afa9;padding:0;cursor:pointer;font-size:11px}.users-panel{margin-top:24px;padding:24px;background:#fff;border:1px solid var(--line);border-radius:8px}.user-form{display:flex;align-items:end;gap:12px;flex-wrap:wrap}.user-form label{min-width:150px}.user-form .checkbox-label{display:flex;align-items:center;gap:7px;min-width:auto}.user-form .checkbox-label input{width:auto}.user-row{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding:10px 0;margin:18px 0 0;font-size:12px}.user-row span{color:var(--muted)}