:root{--primary: #1976D2;--primary-dark: #1565C0;--primary-light: #E3F2FD;--surface: #FFFFFF;--surface-2: #F8F9FA;--surface-3: #F0F4F8;--on-surface: #1a1a2e;--on-surface-2: #4a4a6a;--on-surface-3: #8888aa;--outline: #E0E0E0;--outline-2: #BDBDBD;--error: #D32F2F;--success: #2E7D32;--warning: #F57F17;--radius: 12px;--radius-sm: 8px;--radius-lg: 20px;--shadow: 0 2px 8px rgba(0,0,0,.08);--shadow-lg: 0 4px 24px rgba(0,0,0,.12);--sidebar-w: 240px;--nav-h: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;color:var(--on-surface);background:var(--surface-2);line-height:1.5;-webkit-font-smoothing:antialiased}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}button{font-family:inherit;cursor:pointer;border:none;outline:none}input,textarea,select{font-family:inherit;outline:none}.app-layout{display:flex;height:100%}.sidebar{width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--outline);display:flex;flex-direction:column;flex-shrink:0;position:fixed;top:0;left:0;bottom:0;z-index:100}.sidebar-logo{display:flex;align-items:center;gap:10px;padding:20px 16px 16px;border-bottom:1px solid var(--outline)}.sidebar-logo h1{font-size:18px;font-weight:700;color:var(--primary)}.sidebar-logo span{font-size:22px}.sidebar-nav{flex:1;padding:12px 8px;overflow-y:auto}.nav-item{display:flex;align-items:center;gap:12px;padding:10px 12px;border-radius:var(--radius-sm);color:var(--on-surface-2);font-size:14px;font-weight:500;cursor:pointer;transition:background .15s,color .15s;text-decoration:none;border:none;background:none;width:100%;text-align:left}.nav-item:hover{background:var(--surface-2);color:var(--on-surface);text-decoration:none}.nav-item.active{background:var(--primary-light);color:var(--primary)}.nav-item .icon{font-size:18px;width:24px;text-align:center}.sidebar-user{padding:12px 16px;border-top:1px solid var(--outline);font-size:13px;color:var(--on-surface-2)}.sidebar-user strong{display:block;color:var(--on-surface);font-size:14px}.main-content{margin-left:var(--sidebar-w);flex:1;display:flex;flex-direction:column;min-height:100%;overflow-x:hidden}.bottom-nav{display:none;position:fixed;bottom:0;left:0;right:0;background:var(--surface);border-top:1px solid var(--outline);z-index:100;padding-bottom:env(safe-area-inset-bottom)}.bottom-nav-items{display:flex;justify-content:space-around;padding:4px 0}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 16px;font-size:11px;font-weight:500;color:var(--on-surface-3);cursor:pointer;background:none;border:none;text-decoration:none;transition:color .15s}.bottom-nav-item .icon{font-size:20px}.bottom-nav-item.active{color:var(--primary)}@media (max-width: 768px){.sidebar{display:none}.main-content{margin-left:0;padding-bottom:calc(var(--nav-h) + env(safe-area-inset-bottom))}.bottom-nav{display:flex;flex-direction:column}}.page{padding:24px;max-width:900px}.page-wide{padding:24px}.page-header{display:flex;align-items:center;gap:12px;margin-bottom:24px}.page-header h2{font-size:22px;font-weight:700;flex:1}.back-btn{background:none;border:none;cursor:pointer;font-size:20px;color:var(--on-surface-2);padding:4px;border-radius:50%;width:36px;height:36px;display:flex;align-items:center;justify-content:center}.back-btn:hover{background:var(--surface-3)}.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.card{background:var(--surface);border-radius:var(--radius);padding:16px;box-shadow:var(--shadow);cursor:pointer;transition:box-shadow .15s,transform .1s;border:1px solid var(--outline);text-decoration:none;color:inherit;display:flex;flex-direction:column;gap:8px}.card:hover{box-shadow:var(--shadow-lg);transform:translateY(-1px);text-decoration:none}.card-icon{font-size:32px}.card-title{font-size:15px;font-weight:600;color:var(--on-surface)}.card-subtitle{font-size:13px;color:var(--on-surface-2)}.card-badge{display:inline-block;background:var(--primary-light);color:var(--primary);border-radius:20px;padding:2px 10px;font-size:12px;font-weight:600;align-self:flex-start}.cell-tree{display:flex;flex-direction:column;gap:6px}.cell-node{display:flex;align-items:center;gap:8px;padding:10px 14px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--outline);cursor:pointer;transition:background .12s;text-decoration:none;color:inherit}.cell-node:hover{background:var(--primary-light);text-decoration:none}.cell-node-icon{font-size:16px}.cell-node-name{flex:1;font-size:14px;font-weight:500}.cell-node-code{font-size:12px;color:var(--on-surface-3);font-family:monospace}.cell-node-meta{font-size:12px;color:var(--on-surface-3)}.items-list{display:flex;flex-direction:column;gap:8px}.item-card{display:flex;align-items:center;gap:12px;background:var(--surface);border-radius:var(--radius-sm);border:1px solid var(--outline);padding:12px 14px}.item-photo{width:52px;height:52px;border-radius:var(--radius-sm);object-fit:cover;background:var(--surface-3);flex-shrink:0}.item-photo-placeholder{width:52px;height:52px;border-radius:var(--radius-sm);background:var(--surface-3);flex-shrink:0;display:flex;align-items:center;justify-content:center;font-size:24px;color:var(--on-surface-3)}.item-info{flex:1;min-width:0}.item-name{font-size:14px;font-weight:500}.item-meta{font-size:12px;color:var(--on-surface-2)}.item-qty{font-size:13px;font-weight:600;color:var(--primary);white-space:nowrap}.item-actions{display:flex;gap:4px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;padding:10px 20px;border-radius:24px;font-size:14px;font-weight:600;cursor:pointer;transition:background .15s,opacity .15s;border:none;white-space:nowrap}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover{background:var(--primary-dark)}.btn-secondary{background:var(--surface);color:var(--primary);border:2px solid var(--primary)}.btn-secondary:hover{background:var(--primary-light)}.btn-ghost{background:none;color:var(--on-surface-2)}.btn-ghost:hover{background:var(--surface-3)}.btn-danger{background:none;color:var(--error)}.btn-danger:hover{background:#ffebee}.btn-sm{padding:6px 14px;font-size:13px}.btn-icon{width:36px;height:36px;padding:0;border-radius:50%;background:none;color:var(--on-surface-2);font-size:18px}.btn-icon:hover{background:var(--surface-3)}.btn:disabled{opacity:.4;cursor:not-allowed}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:13px;font-weight:600;color:var(--on-surface-2)}.form-input{padding:10px 14px;border:1.5px solid var(--outline-2);border-radius:var(--radius-sm);font-size:14px;background:var(--surface);color:var(--on-surface);transition:border-color .15s;width:100%}.form-input:focus{border-color:var(--primary)}.form-input.error{border-color:var(--error)}.form-select{padding:10px 36px 10px 14px;border:1.5px solid var(--outline-2);border-radius:var(--radius-sm);font-size:14px;background:var(--surface);color:var(--on-surface);width:100%;cursor:pointer;-webkit-appearance:none;-moz-appearance:none;appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%23666' d='M6 8L1 3h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center}.form-select:focus{border-color:var(--primary)}.form-row{display:flex;gap:12px}.form-row .form-group{flex:1}.form-error{color:var(--error);font-size:12px}.form-hint{color:var(--on-surface-3);font-size:12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:16px;animation:fade-in .15s ease}@keyframes fade-in{0%{opacity:0}to{opacity:1}}.modal{background:var(--surface);border-radius:var(--radius-lg);padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto;box-shadow:var(--shadow-lg);display:flex;flex-direction:column;gap:16px;animation:slide-up .2s ease}@keyframes slide-up{0%{transform:translateY(20px);opacity:0}to{transform:translateY(0);opacity:1}}.modal-title{font-size:18px;font-weight:700}.modal-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:4px}.chip{display:inline-flex;align-items:center;gap:4px;padding:3px 10px;border-radius:20px;font-size:12px;font-weight:500;background:var(--surface-3);color:var(--on-surface-2)}.chip-primary{background:var(--primary-light);color:var(--primary)}.search-bar{display:flex;align-items:center;gap:8px;background:var(--surface);border:1.5px solid var(--outline-2);border-radius:24px;padding:8px 16px;margin-bottom:20px}.search-bar input{flex:1;border:none;background:none;font-size:14px;color:var(--on-surface)}.search-bar .icon{color:var(--on-surface-3);font-size:18px}.auth-page{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#e3f2fd,#f8f9fa 60%);padding:24px}.auth-card{background:var(--surface);border-radius:var(--radius-lg);padding:40px 36px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.auth-logo{text-align:center;margin-bottom:32px}.auth-logo .logo-icon{font-size:48px}.auth-logo h1{font-size:24px;font-weight:700;color:var(--primary);margin-top:8px}.auth-logo p{font-size:13px;color:var(--on-surface-2);margin-top:4px}.auth-tabs{display:flex;border-bottom:2px solid var(--outline);margin-bottom:24px}.auth-tab{flex:1;padding:10px;text-align:center;font-size:14px;font-weight:600;color:var(--on-surface-2);cursor:pointer;background:none;border:none;border-bottom:2px solid transparent;margin-bottom:-2px;transition:color .15s,border-color .15s}.auth-tab.active{color:var(--primary);border-bottom-color:var(--primary)}.auth-form{display:flex;flex-direction:column;gap:16px}.auth-submit{width:100%;padding:12px;border-radius:24px;background:var(--primary);color:#fff;font-size:15px;font-weight:700;border:none;cursor:pointer;margin-top:4px}.auth-submit:hover{background:var(--primary-dark)}.auth-submit:disabled{opacity:.5;cursor:not-allowed}.login-method-toggle{display:flex;gap:8px;margin-bottom:4px}.method-btn{flex:1;padding:9px 12px;border-radius:var(--radius-sm);border:2px solid var(--outline);background:var(--surface-2);color:var(--on-surface-2);font-size:14px;font-weight:500;transition:all .15s}.method-btn.active{border-color:var(--primary);background:var(--primary-light);color:var(--primary)}.form-hint{display:block;font-size:12px;color:var(--on-surface-3);margin-top:4px}.otp-input{font-size:22px;letter-spacing:8px;text-align:center;font-weight:600}.link-btn{background:none;border:none;padding:0;color:var(--primary);font-size:inherit;cursor:pointer;text-decoration:underline}.auth-resend{width:100%;padding:10px;background:none;border:1px solid var(--outline);border-radius:var(--radius-sm);color:var(--on-surface-2);font-size:14px;margin-top:-8px}.auth-resend:hover{background:var(--surface-2)}.auth-resend:disabled{opacity:.4;cursor:not-allowed}.spinner{width:24px;height:24px;border:3px solid var(--outline);border-top-color:var(--primary);border-radius:50%;animation:spin .7s linear infinite;display:inline-block}@keyframes spin{to{transform:rotate(360deg)}}.loading-center{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:60px;color:var(--on-surface-2)}.empty-state{text-align:center;padding:60px 24px;color:var(--on-surface-2)}.empty-state .icon{font-size:48px;margin-bottom:12px;opacity:.5}.empty-state p{font-size:14px;margin-bottom:16px}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;margin-top:24px}.section-head h3{font-size:15px;font-weight:700;color:var(--on-surface-2)}.breadcrumb{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--on-surface-3);margin-bottom:8px;flex-wrap:wrap}.breadcrumb a{color:var(--primary)}.breadcrumb .sep{color:var(--outline-2)}.photo-upload-area{border:2px dashed var(--outline-2);border-radius:var(--radius);padding:40px;text-align:center;cursor:pointer;transition:border-color .15s,background .15s;background:var(--surface)}.photo-upload-area:hover{border-color:var(--primary);background:var(--primary-light)}.photo-preview-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(100px,1fr));gap:8px;margin-top:12px}.photo-preview{position:relative;aspect-ratio:1;border-radius:var(--radius-sm);overflow:hidden}.photo-preview img{width:100%;height:100%;object-fit:cover}.photo-preview-remove{position:absolute;top:4px;right:4px;background:#0009;color:#fff;border:none;border-radius:50%;width:22px;height:22px;font-size:13px;cursor:pointer;display:flex;align-items:center;justify-content:center}.tags-wrap{display:flex;flex-wrap:wrap;gap:6px;padding:8px 12px;border:1.5px solid var(--outline-2);border-radius:var(--radius-sm);background:var(--surface);min-height:42px;align-items:center}.tags-wrap:focus-within{border-color:var(--primary)}.tag-chip{display:flex;align-items:center;gap:4px;background:var(--primary-light);color:var(--primary);border-radius:20px;padding:2px 8px;font-size:12px;font-weight:500}.tag-chip button{background:none;border:none;cursor:pointer;font-size:14px;line-height:1;color:var(--primary);padding:0}.tags-wrap input{border:none;outline:none;font-size:14px;flex:1;min-width:80px;background:transparent;color:var(--on-surface)}.toast{position:fixed;bottom:80px;left:50%;transform:translate(-50%);background:var(--on-surface);color:#fff;padding:10px 20px;border-radius:20px;font-size:14px;font-weight:500;z-index:2000;animation:toast-in .2s ease;white-space:nowrap;box-shadow:var(--shadow-lg)}@keyframes toast-in{0%{opacity:0;transform:translate(-50%) translateY(8px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.qr-wrap{display:flex;flex-direction:column;align-items:center;gap:8px;padding:16px;background:#fff;border-radius:var(--radius);border:1px solid var(--outline)}.qr-wrap canvas{border-radius:4px}.qr-code-text{font-family:monospace;font-size:14px;font-weight:700;letter-spacing:2px}.label-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:12px}.label-item{display:flex;align-items:center;gap:10px;padding:10px 14px;background:var(--surface);border:1.5px solid var(--outline);border-radius:var(--radius-sm);cursor:pointer;-webkit-user-select:none;user-select:none}.label-item.selected{border-color:var(--primary);background:var(--primary-light)}.label-item input[type=checkbox]{accent-color:var(--primary);cursor:pointer}#qr-reader{width:100%;max-width:500px;border-radius:var(--radius);overflow:hidden}#qr-reader__scan_region{border-radius:var(--radius)}.divider{height:1px;background:var(--outline);margin:8px 0}.text-muted{color:var(--on-surface-2)}.text-sm{font-size:13px}.text-xs{font-size:12px}.mono{font-family:monospace}.flex{display:flex}.flex-center{display:flex;align-items:center;justify-content:center}.gap-8{gap:8px}.gap-12{gap:12px}.mt-8{margin-top:8px}.mt-16{margin-top:16px}.mt-24{margin-top:24px}.alert{padding:12px 16px;border-radius:var(--radius-sm);font-size:14px}.alert-error{background:#ffebee;color:var(--error)}.alert-success{background:#e8f5e9;color:var(--success)}.alert-info{background:#fff8e1;color:#7b5800;border:1px solid #FFD54F}