@import"https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700&display=swap";:root{--color-primary: #1976d2;--color-primary-dark: #1565c0;--color-primary-light: #42a5f5;--color-primary-bg: #e3f2fd;--color-bg: #f5f5f5;--color-surface: #ffffff;--color-text: #333333;--color-text-secondary: #666666;--color-text-muted: #999999;--color-border: #e0e0e0;--color-border-light: #f0f0f0;--color-success: #2e7d32;--color-success-bg: #e8f5e9;--color-warning: #f57c00;--color-warning-bg: #fff3e0;--color-error: #d32f2f;--color-error-bg: #ffebee;--font-family: "Inter", "Roboto", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 12px;--spacing-xs: 4px;--spacing-sm: 8px;--spacing-md: 16px;--spacing-lg: 24px;--spacing-xl: 32px;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .08);--shadow-md: 0 2px 8px rgba(0, 0, 0, .12);--shadow-lg: 0 4px 16px rgba(0, 0, 0, .15);--sidebar-width: 240px;--header-height: 56px;--bottom-nav-height: 60px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;-webkit-text-size-adjust:100%}body{font-family:var(--font-family);color:var(--color-text);background-color:var(--color-bg);line-height:1.5;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}input,button,textarea,select{font-family:inherit;font-size:inherit}img{max-width:100%;display:block}a{color:var(--color-primary);text-decoration:none}h1{font-size:1.5rem;font-weight:700}h2{font-size:1.25rem;font-weight:600}h3{font-size:1.1rem;font-weight:600}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);border:0}.spinner-container{display:flex;align-items:center;justify-content:center;padding:var(--spacing-lg)}.spinner{border:3px solid var(--color-border);border-top-color:var(--color-primary);border-radius:50%;animation:spin .6s linear infinite}.header{display:flex;align-items:center;justify-content:space-between;height:var(--header-height);padding:0 var(--spacing-md);background:var(--color-surface);border-bottom:1px solid var(--color-border-light);position:sticky;top:0;z-index:100}.header-left{display:flex;align-items:center;gap:var(--spacing-sm)}.header-menu{background:none;border:none;color:var(--color-text);cursor:pointer;padding:4px;display:flex;align-items:center}.header-title{font-size:1.1rem;font-weight:600;color:var(--color-text)}.header-logout{display:flex;align-items:center;gap:6px;background:none;border:none;color:var(--color-text-secondary);cursor:pointer;font-size:.813rem;padding:6px 10px;border-radius:var(--radius-sm)}.header-logout:hover{background:var(--color-bg);color:var(--color-error)}.header-logout-text{display:none}@media(min-width:768px){.header-menu{display:none}.header-logout-text{display:inline}}.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--color-surface);border-right:1px solid var(--color-border-light);z-index:200;transform:translate(-100%);transition:transform .2s ease;display:flex;flex-direction:column}.sidebar-open{transform:translate(0)}.sidebar-overlay{position:fixed;inset:0;background:#0000004d;z-index:199}.sidebar-brand{display:flex;align-items:center;gap:var(--spacing-sm);padding:var(--spacing-md) var(--spacing-lg);font-weight:700;font-size:1.1rem;color:var(--color-primary);border-bottom:1px solid var(--color-border-light);height:var(--header-height)}.sidebar-nav{display:flex;flex-direction:column;padding:var(--spacing-sm);gap:2px}.sidebar-link{display:flex;align-items:center;gap:var(--spacing-sm);padding:10px 12px;border-radius:var(--radius-md);color:var(--color-text-secondary);font-size:.875rem;font-weight:500;transition:background-color .15s,color .15s;text-decoration:none}.sidebar-link:hover{background:var(--color-bg);color:var(--color-text)}.sidebar-link.active{background:var(--color-primary-bg);color:var(--color-primary)}@media(min-width:768px){.sidebar{transform:translate(0)}.sidebar-overlay{display:none}}.bottom-nav{display:flex;align-items:center;justify-content:space-around;position:fixed;bottom:0;left:0;right:0;height:var(--bottom-nav-height);background:var(--color-surface);border-top:1px solid var(--color-border-light);z-index:100}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;gap:2px;padding:6px 12px;color:var(--color-text-muted);font-size:.688rem;font-weight:500;text-decoration:none;transition:color .15s}.bottom-nav-item.active{color:var(--color-primary)}@media(min-width:768px){.bottom-nav{display:none}}.page-container{padding:var(--spacing-md);max-width:1200px;margin:0 auto;padding-bottom:calc(var(--bottom-nav-height) + var(--spacing-md))}@media(min-width:768px){.page-container{padding:var(--spacing-lg);padding-bottom:var(--spacing-lg)}}.app-layout{display:flex;min-height:100vh}.app-main{flex:1;display:flex;flex-direction:column;min-height:100vh}.app-content{flex:1}@media(min-width:768px){.app-main{margin-left:var(--sidebar-width)}}.input-group{display:flex;flex-direction:column;gap:4px}.input-full{width:100%}.input-label{font-size:.813rem;font-weight:500;color:var(--color-text-secondary)}.input-field{padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.938rem;color:var(--color-text);background:var(--color-surface);transition:border-color .15s;width:100%}.input-field:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg)}.input-field::placeholder{color:var(--color-text-muted)}.input-field.input-error{border-color:var(--color-error)}.input-error-text{font-size:.75rem;color:var(--color-error)}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:var(--radius-md);font-weight:500;cursor:pointer;transition:background-color .15s,opacity .15s;white-space:nowrap}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-sm{padding:6px 12px;font-size:.813rem}.btn-md{padding:10px 20px;font-size:.875rem}.btn-lg{padding:14px 28px;font-size:1rem}.btn-full{width:100%}.btn-primary{background-color:var(--color-primary);color:#fff}.btn-primary:hover:not(:disabled){background-color:var(--color-primary-dark)}.btn-secondary{background-color:var(--color-border);color:var(--color-text)}.btn-secondary:hover:not(:disabled){background-color:#d5d5d5}.btn-danger{background-color:var(--color-error);color:#fff}.btn-danger:hover:not(:disabled){background-color:#b71c1c}.btn-ghost{background-color:transparent;color:var(--color-primary)}.btn-ghost:hover:not(:disabled){background-color:var(--color-primary-bg)}.btn-spinner{width:16px;height:16px;border:2px solid transparent;border-top-color:currentColor;border-radius:50%;animation:spin .6s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.login-page{display:flex;align-items:center;justify-content:center;min-height:100vh;padding:var(--spacing-md);background:var(--color-bg)}.login-form{background:var(--color-surface);padding:var(--spacing-xl);border-radius:var(--radius-lg);box-shadow:var(--shadow-md);width:100%;max-width:380px;display:flex;flex-direction:column;gap:var(--spacing-md)}.login-brand{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-sm);margin-bottom:var(--spacing-sm)}.login-brand h1{font-size:1.25rem;color:var(--color-text);text-align:center}.login-error{background:var(--color-error-bg);color:var(--color-error);padding:10px 12px;border-radius:var(--radius-sm);font-size:.813rem;text-align:center}.barcode-scanner{display:flex;flex-direction:column;align-items:center;gap:var(--spacing-md)}.barcode-reader{width:100%;max-width:400px;border-radius:var(--radius-md);overflow:hidden}.barcode-error{color:var(--color-error);font-size:.813rem;text-align:center}.card{background:var(--color-surface);border-radius:var(--radius-md);box-shadow:var(--shadow-sm);padding:var(--spacing-md)}.card-clickable{cursor:pointer;transition:box-shadow .15s}.card-clickable:hover{box-shadow:var(--shadow-md)}.modal-overlay{position:fixed;inset:0;background:#0006;display:flex;align-items:center;justify-content:center;z-index:1000;padding:var(--spacing-md)}.modal-content{background:var(--color-surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);max-width:500px;width:100%;max-height:90vh;overflow-y:auto}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) var(--spacing-lg);border-bottom:1px solid var(--color-border-light)}.modal-title{font-size:1.1rem}.modal-close{background:none;border:none;font-size:1.2rem;color:var(--color-text-muted);cursor:pointer;padding:4px;line-height:1}.modal-close:hover{color:var(--color-text)}.modal-body{padding:var(--spacing-lg)}.register-page{display:flex;flex-direction:column;gap:var(--spacing-lg);max-width:480px;margin:0 auto}.register-toast{position:fixed;top:calc(var(--header-height) + 8px);left:50%;transform:translate(-50%);padding:10px 20px;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;z-index:500;animation:slideDown .2s ease}.register-toast-success{background:var(--color-success);color:#fff}.register-toast-error{background:var(--color-error);color:#fff}@keyframes slideDown{0%{opacity:0;transform:translate(-50%) translateY(-10px)}to{opacity:1;transform:translate(-50%) translateY(0)}}.register-form{display:flex;flex-direction:column;gap:var(--spacing-md)}.register-photos-grid{display:flex;gap:var(--spacing-sm);overflow-x:auto;padding-bottom:4px;-webkit-overflow-scrolling:touch}.register-photo-item{position:relative;width:80px;height:80px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0;border:2px solid var(--color-border)}.register-photo-item img{width:100%;height:100%;object-fit:cover}.register-photo-remove{position:absolute;top:2px;right:2px;width:22px;height:22px;border-radius:50%;background:#0009;color:#fff;border:none;font-size:.625rem;cursor:pointer;display:flex;align-items:center;justify-content:center}.register-photo-add{width:80px;height:80px;border-radius:var(--radius-md);border:2px dashed var(--color-border);background:var(--color-bg);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;cursor:pointer;flex-shrink:0;color:var(--color-text-muted);transition:border-color .15s,color .15s}.register-photo-add:hover,.register-photo-add:active{border-color:var(--color-primary);color:var(--color-primary)}.register-photo-add span{font-size:.688rem;font-weight:500}.register-photo-input{display:none}.register-barcode-row{display:flex;gap:var(--spacing-sm);align-items:flex-end}.register-barcode-input{flex:1}.register-scan-btn{width:44px;height:44px;border:1px solid var(--color-border);border-radius:var(--radius-md);background:var(--color-surface);color:var(--color-primary);cursor:pointer;display:flex;align-items:center;justify-content:center;flex-shrink:0;transition:background-color .15s}.register-scan-btn:hover,.register-scan-btn:active{background:var(--color-primary-bg)}.register-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}.register-textarea-group{display:flex;flex-direction:column;gap:4px}.register-textarea{padding:10px 12px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.938rem;color:var(--color-text);background:var(--color-surface);resize:vertical;font-family:inherit;width:100%}.register-textarea:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg)}.register-saved{display:flex;flex-direction:column;gap:var(--spacing-sm)}.register-saved h3{font-size:.875rem;color:var(--color-text-secondary)}.register-saved-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) var(--spacing-md)}.register-saved-name{font-size:.875rem;font-weight:500}.register-saved-meta{font-size:.75rem;color:var(--color-text-muted)}.search-input{position:relative;display:flex;align-items:center}.search-icon{position:absolute;left:12px;color:var(--color-text-muted);pointer-events:none}.search-field{width:100%;padding:10px 36px 10px 38px;border:1px solid var(--color-border);border-radius:var(--radius-md);font-size:.875rem;color:var(--color-text);background:var(--color-surface)}.search-field:focus{outline:none;border-color:var(--color-primary);box-shadow:0 0 0 3px var(--color-primary-bg)}.search-clear{position:absolute;right:8px;background:none;border:none;color:var(--color-text-muted);cursor:pointer;font-size:.875rem;padding:4px}.badge{display:inline-flex;align-items:center;padding:2px 8px;border-radius:12px;font-size:.75rem;font-weight:500}.badge-default{background:var(--color-border);color:var(--color-text-secondary)}.badge-success{background:var(--color-success-bg);color:var(--color-success)}.badge-warning{background:var(--color-warning-bg);color:var(--color-warning)}.badge-error{background:var(--color-error-bg);color:var(--color-error)}.product-card{display:flex;gap:var(--spacing-md);align-items:center}.product-card-photo{width:56px;height:56px;border-radius:var(--radius-md);overflow:hidden;flex-shrink:0;background:var(--color-bg)}.product-card-photo img{width:100%;height:100%;object-fit:cover}.product-card-no-photo{width:100%;height:100%;display:flex;align-items:center;justify-content:center;color:var(--color-text-muted)}.product-card-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.product-card-name{font-weight:500;font-size:.875rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-card-barcode{font-size:.688rem;color:var(--color-text-muted);font-family:monospace}.product-card-bottom{display:flex;align-items:center;justify-content:space-between;margin-top:2px}.product-card-price{font-size:.813rem;font-weight:600;color:var(--color-primary)}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:var(--spacing-xl) var(--spacing-md);text-align:center}.empty-state-icon{font-size:3rem;margin-bottom:var(--spacing-md)}.empty-state-title{color:var(--color-text);margin-bottom:var(--spacing-xs)}.empty-state-desc{color:var(--color-text-muted);font-size:.875rem}.products-page{display:flex;flex-direction:column;gap:var(--spacing-md)}.products-header{display:flex;gap:var(--spacing-sm);align-items:center}.products-header .search-input{flex:1}.products-list{display:flex;flex-direction:column;gap:var(--spacing-sm)}.products-pagination{display:flex;align-items:center;justify-content:center;gap:var(--spacing-md);padding:var(--spacing-md) 0}.pagination-info{font-size:.813rem;color:var(--color-text-muted)}.product-detail{max-width:500px}.detail-gallery{margin-bottom:var(--spacing-md)}.detail-photo{width:100%;max-height:300px;object-fit:cover;border-radius:var(--radius-md)}.detail-thumbnails{display:flex;gap:var(--spacing-xs);margin-top:var(--spacing-sm);overflow-x:auto}.detail-thumb{width:48px;height:48px;object-fit:cover;border-radius:var(--radius-sm);border:2px solid transparent;cursor:pointer;opacity:.6;transition:opacity .15s,border-color .15s}.detail-thumb.active,.detail-thumb:hover{opacity:1;border-color:var(--color-primary)}.detail-photo-delete{display:block;margin-top:var(--spacing-sm);background:none;border:none;color:var(--color-error);font-size:.75rem;cursor:pointer}.detail-photo-delete:hover{text-decoration:underline}.detail-name{font-size:1.25rem;margin-bottom:var(--spacing-xs)}.detail-desc{color:var(--color-text-secondary);font-size:.875rem;margin-bottom:var(--spacing-sm)}.detail-barcode{font-size:.813rem;color:var(--color-text-muted);margin-bottom:var(--spacing-md)}.detail-barcode .detail-label{margin-right:4px}.detail-label{display:block;font-size:.75rem;color:var(--color-text-muted);margin-bottom:2px}.detail-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md);margin-bottom:var(--spacing-md)}.detail-value{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.1rem;font-weight:600}.detail-price{color:var(--color-primary)}.detail-notes{margin-bottom:var(--spacing-md)}.detail-notes p{font-size:.875rem;color:var(--color-text-secondary);margin-top:2px}.detail-actions{display:flex;gap:var(--spacing-sm)}.stats-card{display:flex;align-items:center;gap:var(--spacing-md)}.stats-card-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stats-card-info{display:flex;flex-direction:column}.stats-card-value{font-size:1.25rem;font-weight:700;color:var(--color-text)}.stats-card-label{font-size:.75rem;color:var(--color-text-muted)}.dashboard{display:flex;flex-direction:column;gap:var(--spacing-lg)}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--spacing-md)}@media(min-width:768px){.stats-grid{grid-template-columns:repeat(4,1fr)}}.dashboard-actions{display:flex;gap:var(--spacing-sm)}.dashboard-recent h3{margin-bottom:var(--spacing-md);font-size:.938rem}.recent-list{display:flex;flex-direction:column}.recent-item{display:flex;justify-content:space-between;align-items:center;padding:var(--spacing-sm) 0;border-bottom:1px solid var(--color-border-light);cursor:pointer}.recent-item:last-child{border-bottom:none}.recent-item:hover .recent-name{color:var(--color-primary)}.recent-name{font-size:.875rem;font-weight:500}.recent-meta{font-size:.75rem;color:var(--color-text-muted)}