:root{--app-primary: #696cff;--app-primary-light: #e7e7ff;--app-success: #71dd37;--app-success-light: #e8fadf;--app-warning: #ffab00;--app-warning-light: #fff3e0;--app-danger: #ff3e1d;--app-danger-light: #ffe4de;--app-info: #03c3ec;--app-info-light: #d7f5fc;--app-gray-50: #f8f9fa;--app-gray-100: #f1f1f4;--app-gray-200: #e9ecef;--app-gray-600: #6c757d;--app-gray-800: #2b2c40;--app-header-height: 56px;--app-bottom-nav-height: 64px;--app-safe-area-top: env(safe-area-inset-top, 0px);--app-safe-area-bottom: env(safe-area-inset-bottom, 0px);--app-radius: 16px;--app-radius-sm: 12px}.customer-app{background:var(--app-gray-50);overflow-x:hidden;-webkit-tap-highlight-color:transparent;-webkit-font-smoothing:antialiased}.app-header{position:fixed;top:0;left:0;right:0;z-index:1030;background:#fff;border-bottom:1px solid var(--app-gray-200);padding-top:var(--app-safe-area-top)}.app-header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--app-header-height);padding:0 16px}.app-header-brand{display:flex;align-items:center;gap:8px;text-decoration:none;color:var(--app-gray-800)}.app-header-brand .brand-text{font-size:1.125rem;font-weight:700;letter-spacing:-.01em}.app-header-title{display:flex;align-items:center;gap:8px}.app-header-title .back-btn{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;color:var(--app-gray-800);text-decoration:none;transition:background .2s}.app-header-title .back-btn:active{background:var(--app-gray-200)}.app-header-title .page-title{font-size:1.125rem;font-weight:600;color:var(--app-gray-800);margin:0}.app-header-actions{display:flex;align-items:center;gap:8px}.header-avatar{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:50%;background:var(--app-primary);color:#fff;font-weight:600;font-size:.875rem;text-decoration:none;transition:transform .2s}.header-avatar:active{transform:scale(.92)}.app-content{padding-top:calc(var(--app-header-height) + var(--app-safe-area-top) + 8px);padding-bottom:calc(var(--app-bottom-nav-height) + var(--app-safe-area-bottom) + 16px);padding-left:16px;padding-right:16px;min-height:100vh;max-width:600px;margin:0 auto}.app-bottom-nav{position:fixed;bottom:0;left:0;right:0;z-index:1030;background:#fff;border-top:1px solid var(--app-gray-200);display:flex;align-items:stretch;justify-content:space-around;padding-bottom:var(--app-safe-area-bottom);height:calc(var(--app-bottom-nav-height) + var(--app-safe-area-bottom));box-shadow:0 -2px 12px #0000000f}.bottom-nav-item{display:flex;flex-direction:column;align-items:center;justify-content:center;flex:1;padding:6px 0 4px;color:var(--app-gray-600);text-decoration:none;font-size:.6875rem;font-weight:500;gap:2px;transition:color .2s;position:relative;-webkit-tap-highlight-color:transparent}.bottom-nav-item i{font-size:1.375rem;line-height:1}.bottom-nav-item.active{color:var(--app-primary)}.bottom-nav-item.active:before{content:"";position:absolute;top:0;left:50%;transform:translate(-50%);width:32px;height:3px;background:var(--app-primary);border-radius:0 0 4px 4px}.bottom-nav-item:active{color:var(--app-primary);background:var(--app-primary-light)}.app-card{background:#fff;border-radius:var(--app-radius);padding:20px;margin-bottom:12px;box-shadow:0 1px 4px #0000000a;border:1px solid var(--app-gray-100);transition:transform .15s}.app-card:active{transform:scale(.985)}.app-card-clickable{cursor:pointer;text-decoration:none;color:inherit;display:block}.app-card-clickable:hover{color:inherit}.stat-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.stat-card{background:#fff;border-radius:var(--app-radius-sm);padding:16px;text-align:center;box-shadow:0 1px 4px #0000000a;border:1px solid var(--app-gray-100)}.stat-card .stat-icon{display:inline-flex;align-items:center;justify-content:center;width:44px;height:44px;border-radius:12px;margin-bottom:8px;font-size:1.25rem}.stat-card .stat-value{font-size:1.5rem;font-weight:700;color:var(--app-gray-800);line-height:1.2}.stat-card .stat-label{font-size:.75rem;color:var(--app-gray-600);margin-top:2px}.stat-icon.primary{background:var(--app-primary-light);color:var(--app-primary)}.stat-icon.success{background:var(--app-success-light);color:#28a745}.stat-icon.warning{background:var(--app-warning-light);color:#e67e00}.stat-icon.danger{background:var(--app-danger-light);color:var(--app-danger)}.stat-icon.info{background:var(--app-info-light);color:#0096b4}.app-section-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;margin-top:8px}.app-section-title{font-size:1rem;font-weight:600;color:var(--app-gray-800);margin:0}.app-section-link{font-size:.8125rem;font-weight:500;color:var(--app-primary);text-decoration:none}.product-card{display:flex;align-items:center;gap:14px;padding:14px 16px}.product-card .product-thumb{width:52px;height:52px;border-radius:12px;display:flex;align-items:center;justify-content:center;font-size:1.5rem;flex-shrink:0}.product-card .product-info{flex:1;min-width:0}.product-card .product-name{font-size:.9375rem;font-weight:600;color:var(--app-gray-800);margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.product-card .product-meta{font-size:.75rem;color:var(--app-gray-600);margin-top:2px}.product-card .product-status{flex-shrink:0}.app-badge{display:inline-flex;align-items:center;padding:4px 10px;border-radius:20px;font-size:.6875rem;font-weight:600;letter-spacing:.02em;text-transform:uppercase}.app-badge.active{background:var(--app-success-light);color:#28a745}.app-badge.expired{background:var(--app-danger-light);color:var(--app-danger)}.app-badge.pending{background:var(--app-warning-light);color:#e67e00}.app-badge.claimed{background:var(--app-info-light);color:#0096b4}.app-badge.in_progress{background:var(--app-primary-light);color:var(--app-primary)}.app-badge.resolved{background:var(--app-success-light);color:#28a745}.app-badge.rejected{background:var(--app-danger-light);color:var(--app-danger)}.quick-actions{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:16px}.quick-action-btn{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:20px 12px;background:#fff;border-radius:var(--app-radius-sm);border:1px solid var(--app-gray-100);box-shadow:0 1px 4px #0000000a;text-decoration:none;color:var(--app-gray-800);transition:all .2s;-webkit-tap-highlight-color:transparent}.quick-action-btn:hover{color:var(--app-gray-800)}.quick-action-btn:active{transform:scale(.95);background:var(--app-gray-50)}.quick-action-btn .action-icon{display:inline-flex;align-items:center;justify-content:center;width:48px;height:48px;border-radius:14px;font-size:1.5rem}.quick-action-btn .action-label{font-size:.8125rem;font-weight:600}.app-input-group{margin-bottom:16px}.app-input-group label{font-size:.8125rem;font-weight:600;color:var(--app-gray-800);margin-bottom:6px;display:block}.app-input{width:100%;padding:12px 16px;border:1.5px solid var(--app-gray-200);border-radius:var(--app-radius-sm);font-size:1rem;color:var(--app-gray-800);background:#fff;transition:border-color .2s;-webkit-appearance:none}.app-input:focus{outline:none;border-color:var(--app-primary);box-shadow:0 0 0 3px var(--app-primary-light)}.app-input.is-invalid{border-color:var(--app-danger)}.app-input-error{font-size:.75rem;color:var(--app-danger);margin-top:4px}textarea.app-input{resize:vertical;min-height:100px}select.app-input{cursor:pointer}.app-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;padding:14px 24px;border:none;border-radius:var(--app-radius-sm);font-size:1rem;font-weight:600;cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent;min-height:50px}.app-btn:active{transform:scale(.98)}.app-btn-primary{background:var(--app-primary);color:#fff}.app-btn-primary:hover{background:#5b5ede;color:#fff}.app-btn-success{background:#28a745;color:#fff}.app-btn-outline{background:transparent;border:1.5px solid var(--app-gray-200);color:var(--app-gray-800)}.app-btn-outline:active{background:var(--app-gray-50)}.app-btn-danger{background:var(--app-danger);color:#fff}.app-btn-sm{padding:8px 16px;font-size:.8125rem;min-height:38px;width:auto;border-radius:10px}.app-search{position:relative;margin-bottom:16px}.app-search .search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--app-gray-600);font-size:1.25rem;pointer-events:none}.app-search input{width:100%;padding:12px 16px 12px 44px;border:1.5px solid var(--app-gray-200);border-radius:var(--app-radius);font-size:.9375rem;background:#fff;-webkit-appearance:none}.app-search input:focus{outline:none;border-color:var(--app-primary);box-shadow:0 0 0 3px var(--app-primary-light)}.app-filter-tabs{display:flex;gap:8px;margin-bottom:16px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}.app-filter-tabs::-webkit-scrollbar{display:none}.app-filter-tab{display:inline-flex;align-items:center;padding:8px 16px;border-radius:20px;font-size:.8125rem;font-weight:600;white-space:nowrap;border:1.5px solid var(--app-gray-200);background:#fff;color:var(--app-gray-600);cursor:pointer;transition:all .2s;-webkit-tap-highlight-color:transparent;text-decoration:none}.app-filter-tab:hover{color:var(--app-gray-600)}.app-filter-tab.active{background:var(--app-primary);color:#fff;border-color:var(--app-primary)}.app-filter-tab .tab-count{display:inline-flex;align-items:center;justify-content:center;min-width:20px;height:20px;padding:0 6px;border-radius:10px;font-size:.6875rem;margin-left:6px;background:#00000014}.app-filter-tab.active .tab-count{background:#ffffff40}.detail-hero{background:linear-gradient(135deg,var(--app-primary) 0%,#8385ff 100%);border-radius:var(--app-radius);padding:24px 20px;margin-bottom:16px;color:#fff}.detail-hero .hero-label{font-size:.75rem;opacity:.8;text-transform:uppercase;letter-spacing:.05em}.detail-hero .hero-title{font-size:1.25rem;font-weight:700;margin:4px 0 8px}.detail-hero .hero-meta{font-size:.8125rem;opacity:.9}.detail-row{display:flex;justify-content:space-between;align-items:flex-start;padding:12px 0;border-bottom:1px solid var(--app-gray-100)}.detail-row:last-child{border-bottom:none}.detail-row .detail-label{font-size:.8125rem;color:var(--app-gray-600);flex-shrink:0}.detail-row .detail-value{font-size:.8125rem;font-weight:600;color:var(--app-gray-800);text-align:right;word-break:break-word}.warranty-timeline{display:flex;align-items:center;gap:8px;padding:16px 0}.warranty-timeline .timeline-dot{width:12px;height:12px;border-radius:50%;flex-shrink:0}.warranty-timeline .timeline-line{flex:1;height:4px;border-radius:2px;background:var(--app-gray-200);position:relative;overflow:hidden}.warranty-timeline .timeline-line .progress-fill{position:absolute;left:0;top:0;height:100%;border-radius:2px;transition:width .5s ease}.app-empty{text-align:center;padding:48px 24px}.app-empty .empty-icon{font-size:3rem;color:var(--app-gray-200);margin-bottom:12px}.app-empty .empty-title{font-size:1rem;font-weight:600;color:var(--app-gray-800);margin-bottom:4px}.app-empty .empty-text{font-size:.8125rem;color:var(--app-gray-600);margin-bottom:20px}.skeleton{background:linear-gradient(90deg,var(--app-gray-100) 25%,var(--app-gray-50) 50%,var(--app-gray-100) 75%);background-size:200% 100%;animation:skeleton-pulse 1.5s ease-in-out infinite;border-radius:8px}@keyframes skeleton-pulse{0%{background-position:200% 0}to{background-position:-200% 0}}.skeleton-card{height:80px;margin-bottom:12px;border-radius:var(--app-radius-sm)}.greeting-card{background:linear-gradient(135deg,var(--app-primary) 0%,#8385ff 100%);border-radius:var(--app-radius);padding:24px 20px;margin-bottom:16px;color:#fff}.greeting-card .greeting-hello{font-size:.875rem;opacity:.85}.greeting-card .greeting-name{font-size:1.375rem;font-weight:700;margin:2px 0 8px}.greeting-card .greeting-sub{font-size:.8125rem;opacity:.8}.profile-avatar-lg{width:80px;height:80px;border-radius:50%;background:var(--app-primary);color:#fff;font-size:2rem;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 12px}.claim-card{padding:16px}.claim-card .claim-header{display:flex;justify-content:space-between;align-items:flex-start;margin-bottom:8px}.claim-card .claim-number{font-size:.75rem;font-weight:600;color:var(--app-primary);letter-spacing:.02em}.claim-card .claim-product{font-size:.9375rem;font-weight:600;color:var(--app-gray-800);margin:4px 0}.claim-card .claim-desc{font-size:.8125rem;color:var(--app-gray-600);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.claim-card .claim-date{font-size:.75rem;color:var(--app-gray-600);margin-top:8px}.app-fab{position:fixed;bottom:calc(var(--app-bottom-nav-height) + var(--app-safe-area-bottom) + 16px);right:20px;width:56px;height:56px;border-radius:16px;background:var(--app-primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:1.5rem;box-shadow:0 4px 16px #696cff66;cursor:pointer;transition:all .2s;text-decoration:none;z-index:1020;-webkit-tap-highlight-color:transparent}.app-fab:hover{color:#fff;transform:scale(1.05)}.app-fab:active{transform:scale(.95)}.app-toast{position:fixed;top:calc(var(--app-header-height) + var(--app-safe-area-top) + 12px);left:16px;right:16px;max-width:568px;margin:0 auto;padding:14px 16px;border-radius:var(--app-radius-sm);font-size:.875rem;font-weight:500;z-index:1050;animation:slideDown .3s ease}.app-toast-success{background:#28a745;color:#fff}.app-toast-error{background:var(--app-danger);color:#fff}@keyframes slideDown{0%{opacity:0;transform:translateY(-20px)}to{opacity:1;transform:translateY(0)}}@media (min-width: 768px){.app-content{max-width:640px;padding-left:24px;padding-right:24px}.stat-grid,.quick-actions{grid-template-columns:repeat(4,1fr)}.app-bottom-nav{max-width:640px;left:50%;transform:translate(-50%);border-radius:20px 20px 0 0}}.customer-auth-wrapper{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,#f8f9fa,#e7e7ff);padding:24px 16px}.customer-auth-card{width:100%;max-width:420px;background:#fff;border-radius:24px;padding:32px 24px;box-shadow:0 8px 40px #00000014}.customer-auth-card .auth-brand{display:flex;align-items:center;justify-content:center;gap:8px;margin-bottom:32px}.customer-auth-card .auth-brand .brand-text{font-size:1.25rem;font-weight:700;color:var(--app-gray-800)}.customer-auth-card .auth-title{font-size:1.25rem;font-weight:700;text-align:center;margin-bottom:4px;color:var(--app-gray-800)}.customer-auth-card .auth-subtitle{font-size:.875rem;text-align:center;color:var(--app-gray-600);margin-bottom:28px}.customer-auth-card .auth-divider{display:flex;align-items:center;gap:12px;margin:24px 0;color:var(--app-gray-600);font-size:.8125rem}.customer-auth-card .auth-divider:before,.customer-auth-card .auth-divider:after{content:"";flex:1;height:1px;background:var(--app-gray-200)}.pull-indicator{text-align:center;padding:12px;color:var(--app-gray-600);font-size:.8125rem;display:none}.password-toggle{position:relative}.password-toggle .toggle-btn{position:absolute;right:14px;top:50%;transform:translateY(-50%);background:none;border:none;color:var(--app-gray-600);cursor:pointer;padding:4px;font-size:1.25rem}