:root{--bg-primary:#f8fafc;--bg-secondary:#ffffff;--bg-tertiary:#f1f5f9;--bg-card:#ffffff;--bg-card-hover:#f8fafc;--bg-glass:rgba(255, 255, 255, 0.8);--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--text-inverse:#ffffff;--border-color:#e2e8f0;--border-light:#f1f5f9;--primary-color:#0ea5e9;--primary-hover:#0284c7;--primary-light:#e0f2fe;--primary-dark:#0369a1;--secondary-color:#6366f1;--secondary-hover:#4f46e5;--secondary-light:#e0e7ff;--success-color:#10b981;--success-light:#d1fae5;--success-dark:#059669;--warning-color:#f59e0b;--warning-light:#fef3c7;--warning-dark:#d97706;--danger-color:#ef4444;--danger-light:#fee2e2;--danger-dark:#dc2626;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.05);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.1),0 2px 4px -2px rgba(0, 0, 0, 0.1);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.1),0 4px 6px -4px rgba(0, 0, 0, 0.1);--shadow-xl:0 20px 25px -5px rgba(0, 0, 0, 0.1),0 8px 10px -6px rgba(0, 0, 0, 0.1);--radius-sm:6px;--radius-md:10px;--radius-lg:16px;--radius-full:9999px;--transition-fast:150ms ease;--transition-normal:200ms ease;--transition-slow:300ms ease;--navbar-height:72px;--sidebar-width:280px;--container-max:1280px;--content-padding:24px}[data-theme=dark]{--bg-primary:#0f172a;--bg-secondary:#1e293b;--bg-tertiary:#334155;--bg-card:#1e293b;--bg-card-hover:#334155;--bg-glass:rgba(30, 41, 59, 0.8);--text-primary:#f8fafc;--text-secondary:#cbd5e1;--text-muted:#94a3b8;--text-inverse:#0f172a;--border-color:#334155;--border-light:#475569;--primary-light:#0c4a6e;--secondary-light:#312e81;--success-light:#064e3b;--warning-light:#78350f;--danger-light:#7f1d1d;--shadow-sm:0 1px 2px 0 rgba(0, 0, 0, 0.3);--shadow-md:0 4px 6px -1px rgba(0, 0, 0, 0.3),0 2px 4px -2px rgba(0, 0, 0, 0.2);--shadow-lg:0 10px 15px -3px rgba(0, 0, 0, 0.3),0 4px 6px -4px rgba(0, 0, 0, 0.2);--shadow-xl:0 20px 25px -5px rgba(0, 0, 0, 0.3),0 8px 10px -6px rgba(0, 0, 0, 0.2)}*,::after,::before{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth;font-size:16px}body{font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;background:var(--bg-primary);color:var(--text-primary);min-height:100vh;line-height:1.6;transition:background-color var(--transition-normal),color var(--transition-normal)}h1,h2,h3,h4,h5,h6{font-weight:600;line-height:1.3;margin-bottom:.5em;color:var(--text-primary)}h1{font-size:1.875rem}h2{font-size:1.5rem}h3{font-size:1.25rem}h4{font-size:1.125rem}p{color:var(--text-secondary)}a{color:var(--primary-color);text-decoration:none;transition:color var(--transition-fast)}a:hover{color:var(--primary-hover)}.page-wrapper{min-height:100vh;display:flex;flex-direction:column}.container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 var(--content-padding)}.main-content{flex:1;padding:var(--content-padding);padding-top:calc(var(--navbar-height) + var(--content-padding))}.navbar{position:fixed;top:0;left:0;right:0;height:var(--navbar-height);background:var(--bg-glass);backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);border-bottom:1px solid var(--border-color);z-index:1000;display:flex;align-items:center;padding:0 var(--content-padding)}.navbar-inner{width:100%;max-width:var(--container-max);margin:0 auto;display:flex;align-items:center;justify-content:space-between}.navbar-brand{display:flex;align-items:center;gap:12px;font-size:1.25rem;font-weight:700;color:var(--text-primary)}.navbar-brand svg{width:32px;height:32px;color:var(--primary-color)}.navbar-menu{display:flex;align-items:center;gap:4px;list-style:none}.navbar-menu a{display:flex;align-items:center;gap:8px;padding:10px 16px;border-radius:var(--radius-md);color:var(--text-secondary);font-weight:500;font-size:.875rem;transition:all var(--transition-fast);cursor:pointer}.navbar-menu a:hover{background:var(--bg-tertiary);color:var(--text-primary)}.navbar-menu a.active,[data-theme=dark] .navbar-menu a.active{background:var(--primary-light);color:var(--primary-color)}.navbar-actions,.user-info{display:flex;align-items:center;gap:12px}.mobile-menu-toggle{display:none;background:0 0;border:none;color:var(--text-primary);cursor:pointer;padding:8px;border-radius:var(--radius-md)}.mobile-menu-toggle:hover{background:var(--bg-tertiary)}.mobile-menu-toggle svg{width:24px;height:24px}.user-dropdown-container{position:relative}.user-avatar{width:36px;height:36px;background:var(--primary-color);color:#fff;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:600;cursor:pointer;user-select:none;font-size:1rem;transition:transform var(--transition-fast)}.user-avatar:hover{transform:scale(1.05);box-shadow:0 0 0 4px var(--primary-light)}.user-dropdown-menu{position:absolute;top:calc(100% + 8px);right:0;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);min-width:220px;display:none;flex-direction:column;padding:8px;z-index:1001;animation:.2s slideIn}@keyframes slideIn{from{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}.user-dropdown-menu.active{display:flex}.user-dropdown-header{padding:8px 12px;border-bottom:1px solid var(--border-color);margin-bottom:8px}.user-dropdown-name{font-weight:600;color:var(--text-primary);display:block}.user-dropdown-role{font-size:.75rem;color:var(--text-muted);display:block;margin-top:2px}.user-dropdown-item{padding:8px 12px;color:var(--text-secondary);border-radius:var(--radius-sm);cursor:pointer;display:flex;align-items:center;gap:10px;transition:all var(--transition-fast);text-decoration:none;font-size:.875rem}.user-dropdown-item:hover{background:var(--bg-tertiary);color:var(--text-primary)}.user-dropdown-item svg{width:16px;height:16px}.user-dropdown-item.danger{color:var(--danger-color)}.user-dropdown-item.danger:hover{background:var(--danger-light)}@media (max-width:1024px){.mobile-menu-toggle{display:flex}.navbar-menu{display:none;position:absolute;top:var(--navbar-height);left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border-color);flex-direction:column;padding:16px;gap:8px;box-shadow:var(--shadow-lg);z-index:999}.navbar-menu.active{display:flex}.navbar-menu a{width:100%;justify-content:flex-start;padding:12px 16px}}.theme-toggle{width:40px;height:40px;display:flex;align-items:center;justify-content:center;background:var(--bg-tertiary);border:1px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);color:var(--text-secondary)}.theme-toggle:hover{background:var(--bg-card-hover);color:var(--text-primary)}.theme-toggle svg{width:20px;height:20px}.card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;transition:all var(--transition-fast)}.card:hover{box-shadow:var(--shadow-md)}.card-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px;padding-bottom:16px;border-bottom:1px solid var(--border-color)}.card-title{font-size:1rem;font-weight:600;color:var(--text-primary);display:flex;align-items:center;gap:8px;margin-bottom:0}.card-title svg{width:20px;height:20px;color:var(--primary-color)}.stat-cards{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:24px}@media (max-width:1024px){.stat-cards{grid-template-columns:repeat(2,1fr)}}@media (max-width:640px){.stat-cards{grid-template-columns:1fr}}.stat-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:20px;display:flex;align-items:flex-start;gap:16px;transition:all var(--transition-fast);cursor:pointer}.stat-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}.stat-icon{width:48px;height:48px;border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;flex-shrink:0}.stat-icon svg{width:24px;height:24px}.stat-icon.primary{background:var(--primary-light);color:var(--primary-color)}.stat-icon.success{background:var(--success-light);color:var(--success-color)}.stat-icon.warning{background:var(--warning-light);color:var(--warning-color)}.stat-icon.danger{background:var(--danger-light);color:var(--danger-color)}.stat-content h3{font-size:1.75rem;font-weight:700;margin-bottom:4px;line-height:1}.stat-content p{font-size:.875rem;color:var(--text-muted);margin:0}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 18px;border:none;border-radius:var(--radius-md);font-size:.875rem;font-weight:500;cursor:pointer;transition:all var(--transition-fast);text-decoration:none;white-space:nowrap}.btn svg{width:18px;height:18px}.btn-primary{background:var(--primary-color);color:#fff}.btn-primary:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-secondary{background:var(--bg-tertiary);color:var(--text-primary);border:1px solid var(--border-color)}.btn-secondary:hover{background:var(--bg-card-hover)}.btn-success{background:var(--success-color);color:#fff}.btn-success:hover{background:var(--success-dark)}.btn-danger{background:var(--danger-color);color:#fff}.btn-danger:hover{background:var(--danger-dark)}.btn-warning{background:var(--warning-color);color:#fff}.btn-warning:hover{background:var(--warning-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}.btn-ghost{background:0 0;color:var(--text-secondary)}.btn-ghost:hover{background:var(--bg-tertiary);color:var(--text-primary)}.btn-icon{width:36px;height:36px;padding:0;border-radius:var(--radius-md)}.btn-sm{padding:6px 12px;font-size:.8125rem}.btn-lg{padding:14px 24px;font-size:1rem}.form-group{margin-bottom:16px}.form-label{display:block;margin-bottom:6px;font-weight:500;font-size:.875rem;color:var(--text-secondary)}.form-control{width:100%;padding:10px 14px;background:var(--bg-secondary);border:1px solid var(--border-color);border-radius:var(--radius-md);color:var(--text-primary);font-size:.9375rem;transition:all var(--transition-fast)}.form-control:focus{outline:0;border-color:var(--primary-color);box-shadow:0 0 0 3px var(--primary-light)}.form-control::placeholder{color:var(--text-muted)}select.form-control{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='24' height='24' viewBox='0 0 24 24' fill='none' stroke='%2364748b' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 10px center;background-size:16px;padding-right:36px}textarea.form-control{resize:vertical;min-height:80px}.form-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px}.table-container{overflow-x:auto;border-radius:var(--radius-md)}.table{width:100%;border-collapse:collapse}.table td,.table th{padding:8px 12px;text-align:left;border-bottom:1px solid var(--border-color);font-size:.8125rem}.table th{background:var(--bg-tertiary);font-weight:600;font-size:.7rem;text-transform:uppercase;letter-spacing:.5px;color:var(--text-muted);padding:6px 12px}.table tr:hover td{background:var(--bg-tertiary)}.table-actions{display:flex;gap:6px}.badge{display:inline-flex;align-items:center;gap:4px;padding:4px 10px;border-radius:var(--radius-full);font-size:.75rem;font-weight:500}.badge svg{width:12px;height:12px}.badge-success{background:var(--success-light);color:var(--success-color)}.badge-warning{background:var(--warning-light);color:var(--warning-color)}.badge-danger{background:var(--danger-light);color:var(--danger-color)}.badge-info{background:var(--primary-light);color:var(--primary-color)}.badge-secondary{background:var(--bg-tertiary);color:var(--text-secondary);border:1px solid var(--border-color)}.modal-overlay{position:fixed;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.5);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:2000;opacity:0;visibility:hidden;transition:all var(--transition-normal);padding:var(--content-padding)}.modal-overlay.active{opacity:1;visibility:visible}.modal{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;transform:scale(.95) translateY(10px);transition:transform var(--transition-normal)}.modal-overlay.active .modal{transform:scale(1) translateY(0)}.modal-header{display:flex;justify-content:space-between;align-items:center;padding:20px;border-bottom:1px solid var(--border-color)}.modal-title{font-size:1.125rem;font-weight:600;margin:0}.modal-close{width:32px;height:32px;border:none;background:var(--bg-tertiary);border-radius:var(--radius-md);color:var(--text-muted);cursor:pointer;display:flex;align-items:center;justify-content:center;transition:all var(--transition-fast)}.modal-close:hover{background:var(--danger-light);color:var(--danger-color)}.modal-close svg{width:16px;height:16px}.modal-body{padding:20px}.modal-footer{display:flex;justify-content:flex-end;gap:10px;padding:20px;border-top:1px solid var(--border-color)}.qr-container{text-align:center;padding:32px;background:#fff;border-radius:var(--radius-lg);max-width:320px;margin:0 auto}.qr-container img{max-width:240px;margin-bottom:16px}.qr-container h4{color:#1e293b;margin-bottom:4px}.qr-container p{color:#64748b;font-size:.875rem;margin:4px 0}.dashboard-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}@media (max-width:1024px){.dashboard-grid{grid-template-columns:1fr}}.chart-container{position:relative;height:280px;width:100%}.empty-state{text-align:center;padding:48px 20px}.empty-state svg{width:64px;height:64px;margin-bottom:16px;color:var(--text-muted);opacity:.5}.empty-state h3{color:var(--text-secondary);margin-bottom:8px;font-size:1rem}.empty-state p{color:var(--text-muted);margin-bottom:20px;font-size:.875rem}.loading{display:flex;align-items:center;justify-content:center;padding:32px}.spinner{width:32px;height:32px;border:3px solid var(--border-color);border-top-color:var(--primary-color);border-radius:50%;animation:.8s linear infinite spin}@keyframes spin{to{transform:rotate(360deg)}}.toast-container{position:fixed;top:calc(var(--navbar-height) + 16px);right:16px;z-index:3000;display:flex;flex-direction:column;gap:10px}.toast{display:flex;align-items:center;gap:12px;padding:14px 18px;background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-md);box-shadow:var(--shadow-lg);animation:.2s slideIn;min-width:280px;max-width:400px}@keyframes slideIn{from{opacity:0;transform:translateX(20px)}to{opacity:1;transform:translateX(0)}}.toast.success{border-left:3px solid var(--success-color)}.toast.error{border-left:3px solid var(--danger-color)}.toast.warning{border-left:3px solid var(--warning-color)}.toast.info{border-left:3px solid var(--primary-color)}.toast-icon{font-size:1.125rem}.toast-message{font-size:.875rem;color:var(--text-primary)}.login-page{min-height:100vh;display:flex;align-items:center;justify-content:center;padding:20px;background:var(--bg-primary)}.login-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:40px;width:100%;max-width:400px;box-shadow:var(--shadow-lg)}.login-header{text-align:center;margin-bottom:32px}.login-header .logo{width:64px;height:64px;margin:0 auto 20px;display:flex;align-items:center;justify-content:center}.login-header .logo svg{width:32px;height:32px}.login-header h1{font-size:1.5rem;margin-bottom:8px}.login-header p{color:var(--text-muted);font-size:.875rem}.inspection-page{min-height:100vh;padding:20px;background:var(--bg-primary)}.inspection-header{text-align:center;margin-bottom:32px;padding-top:20px}.device-info-card{background:var(--bg-card);border:1px solid var(--border-color);border-radius:var(--radius-lg);padding:28px;margin:0 auto}.device-header{display:flex;align-items:center;gap:16px;margin-bottom:20px;padding-bottom:20px;border-bottom:1px solid var(--border-color)}.device-icon{width:56px;height:56px;background:var(--primary-light);border-radius:var(--radius-lg);display:flex;align-items:center;justify-content:center;color:var(--primary-color)}.device-icon svg{width:28px;height:28px}.device-details{display:flex;flex-direction:column;gap:12px}.device-detail-row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;border-bottom:1px solid var(--border-color)}.device-detail-row:last-child{border-bottom:none}.device-detail-row label{color:var(--text-muted);font-size:.875rem}.device-detail-row span{font-weight:500;color:var(--text-primary)}.status-options{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}.status-option{display:flex;flex-direction:column;align-items:center;padding:16px 12px;border:2px solid var(--border-color);border-radius:var(--radius-md);cursor:pointer;transition:all var(--transition-fast);background:var(--bg-secondary)}.status-option:hover{border-color:var(--primary-color)}.status-option input{display:none}.status-option.selected{border-color:var(--primary-color);background:var(--primary-light)}.status-option svg{width:32px;height:32px;margin-bottom:8px}.status-option span{font-size:.875rem;font-weight:500;color:var(--text-primary)}@media print{.no-print{display:none!important}body{background:#fff;color:#000}.qr-container{box-shadow:none;border:1px solid #ddd}}::-webkit-scrollbar{width:8px;height:8px}::-webkit-scrollbar-track{background:var(--bg-tertiary)}::-webkit-scrollbar-thumb{background:var(--border-color);border-radius:4px}::-webkit-scrollbar-thumb:hover{background:var(--text-muted)}.page-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:24px;flex-wrap:wrap;gap:16px}.page-header-left h1{display:flex;align-items:center;gap:12px;margin-bottom:4px}.page-header-left h1 svg{width:28px;height:28px;color:var(--primary-color)}.page-header-left p{margin:0;font-size:.875rem}@media (max-width:768px){:root{--content-padding:16px;--navbar-height:64px}.navbar-menu{display:none;position:absolute;top:100%;left:0;right:0;background:var(--bg-card);border-bottom:1px solid var(--border-color);flex-direction:column;padding:12px}.menu-toggle,.navbar-menu.active{display:flex}.page-header{flex-direction:column;align-items:flex-start}.status-options{grid-template-columns:1fr}}.menu-toggle{display:none;width:40px;height:40px;align-items:center;justify-content:center;background:0 0;border:none;color:var(--text-primary);cursor:pointer}.menu-toggle svg{width:24px;height:24px}.text-center{text-align:center}.text-right{text-align:right}.mt-4{margin-top:16px}.mb-4{margin-bottom:16px}.hidden{display:none!important}.main-footer{margin-top:auto;padding:24px;text-align:center;border-top:1px solid var(--border-color);color:var(--text-muted);font-size:.875rem;background-color:var(--bg-secondary)}.main-footer p{margin:0}.device-image-upload{position:relative}.image-upload-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:24px;border:2px dashed var(--border-color);border-radius:var(--radius-lg);background:var(--bg-tertiary);cursor:pointer;transition:all var(--transition-fast);text-align:center}.image-upload-zone:hover{border-color:var(--primary-color);background:var(--primary-light)}.image-upload-zone.drag-over{border-color:var(--primary-color);background:var(--primary-light);transform:scale(1.01)}.image-upload-zone svg{color:var(--text-muted)}.image-upload-zone p{margin:0;font-size:.875rem;color:var(--text-secondary)}.image-upload-zone small{font-size:.75rem;color:var(--text-muted)}.image-preview{display:flex;align-items:center;justify-content:center;position:relative;padding:12px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-tertiary)}.image-preview img{max-width:100%;max-height:200px;border-radius:var(--radius-md);object-fit:contain}.image-remove-btn{position:absolute;top:8px;right:8px;width:28px;height:28px;border:none;background:var(--danger-color);color:#fff;border-radius:50%;cursor:pointer;display:flex;align-items:center;justify-content:center;font-size:.75rem;transition:all var(--transition-fast);opacity:.8}.image-remove-btn:hover{opacity:1;transform:scale(1.1)}.image-uploading{display:flex;align-items:center;justify-content:center;gap:12px;padding:32px;border:1px solid var(--border-color);border-radius:var(--radius-lg);background:var(--bg-tertiary);color:var(--text-muted);font-size:.875rem}.import-container{min-width:0}.import-template-section{padding:16px;background:var(--bg-tertiary);border-radius:var(--radius-lg)}.import-drop-zone{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;padding:32px 20px;border:2px dashed var(--border-color);border-radius:var(--radius-lg);background:var(--bg-tertiary);cursor:default;transition:all var(--transition-fast);text-align:center}.import-drop-zone:hover{border-color:var(--primary-color)}.import-drop-zone.drag-over{border-color:var(--success-color);background:rgba(16,185,129,.08);transform:scale(1.01)}.import-drop-zone svg{color:var(--text-muted);opacity:.6}.import-drop-zone p{margin:0;font-size:.9rem;color:var(--text-secondary)}.import-drop-zone span{font-size:.8rem;color:var(--text-muted)}.bulk-action-bar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;background:var(--primary-light);border:1px solid var(--primary-color);border-radius:var(--radius-md);margin-bottom:12px;animation:.2s slideIn}.bulk-action-info{font-size:.875rem;font-weight:500;color:var(--primary-color)}.bulk-action-info span{font-weight:700;font-size:1rem}.bulk-action-buttons{display:flex;gap:8px;align-items:center}