:root{--bg-primary: #f0f2f5;--bg-secondary: #ffffff;--bg-card: #ffffff;--bg-input: #f7f8fa;--bg-hover: #e9ecf0;--text-primary: #1a1d23;--text-secondary: #6b7280;--text-muted: #9ca3af;--accent: #10b981;--accent-hover: #059669;--accent-light: rgba(16, 185, 129, .1);--accent-glow: rgba(16, 185, 129, .25);--danger: #ef4444;--danger-hover: #dc2626;--success: #10b981;--warning: #f59e0b;--border: #e5e7eb;--border-focus: #10b981;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .06);--shadow-md: 0 4px 16px rgba(0, 0, 0, .08);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .12);--shadow-glow: 0 0 24px rgba(16, 185, 129, .15);--radius-sm: 8px;--radius-md: 12px;--radius-lg: 16px;--radius-xl: 24px;--transition: .2s cubic-bezier(.4, 0, .2, 1);--font: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif}[data-theme=dark]{--bg-primary: #0f1117;--bg-secondary: #1a1d27;--bg-card: #1e2130;--bg-input: #252838;--bg-hover: #2a2d3e;--text-primary: #f1f3f9;--text-secondary: #9ba1b0;--text-muted: #6b7280;--accent: #34d399;--accent-hover: #10b981;--accent-light: rgba(52, 211, 153, .12);--accent-glow: rgba(52, 211, 153, .25);--border: #2d3042;--border-focus: #34d399;--shadow-sm: 0 1px 3px rgba(0, 0, 0, .3);--shadow-md: 0 4px 16px rgba(0, 0, 0, .4);--shadow-lg: 0 8px 32px rgba(0, 0, 0, .5);--shadow-glow: 0 0 24px rgba(52, 211, 153, .2)}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html{font-size:16px;scroll-behavior:smooth}body{font-family:var(--font);background:var(--bg-primary);color:var(--text-primary);line-height:1.6;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}.app-container{min-height:100vh;display:flex;flex-direction:column}.header{background:var(--bg-secondary);border-bottom:1px solid var(--border);padding:0 24px;height:64px;display:flex;align-items:center;justify-content:space-between;position:sticky;top:0;z-index:100;-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);background:#ffffffd9}[data-theme=dark] .header{background:#1a1d27d9}.header-left{display:flex;align-items:center;gap:12px}.header-logo{width:36px;height:36px;background:linear-gradient(135deg,var(--accent) 0%,#34d399 100%);border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;font-weight:700}.header-title{font-size:1.25rem;font-weight:700;letter-spacing:-.02em}.header-right{display:flex;align-items:center;gap:8px}.main-content{flex:1;padding:24px;max-width:1400px;margin:0 auto;width:100%}.toolbar{display:flex;align-items:center;gap:12px;margin-bottom:16px;flex-wrap:wrap}.toolbar-secondary{margin-bottom:20px}.toolbar-spacer{flex:1}.search-wrapper{position:relative;flex:1;min-width:240px}.search-icon{position:absolute;left:14px;top:50%;transform:translateY(-50%);color:var(--text-muted);font-size:16px;pointer-events:none}.search-input{width:100%;padding:10px 14px 10px 42px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);font-family:var(--font);font-size:.9rem;transition:all var(--transition);outline:none}.search-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-light)}.search-input::placeholder{color:var(--text-muted)}.filter-select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);font-family:var(--font);font-size:.9rem;cursor:pointer;transition:all var(--transition);outline:none;min-width:160px}.filter-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-light)}.filter-select-sm{min-width:auto;padding:8px 12px;font-size:.8rem}.view-toggles{display:inline-flex;border:1px solid var(--border);border-radius:var(--radius-md);overflow:hidden}.view-toggle-btn{display:inline-flex;align-items:center;gap:5px;padding:7px 14px;background:var(--bg-input);border:none;border-right:1px solid var(--border);cursor:pointer;font-family:var(--font);font-size:.8rem;font-weight:500;color:var(--text-secondary);transition:all var(--transition)}.view-toggle-btn:last-child{border-right:none}.view-toggle-btn:hover{background:var(--bg-hover);color:var(--text-primary)}.view-toggle-btn.active{background:var(--accent-light);color:var(--accent);font-weight:600}.view-toggle-icon{font-size:14px}.view-toggle-label{font-size:.78rem}.btn{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border:none;border-radius:var(--radius-md);font-family:var(--font);font-size:.875rem;font-weight:600;cursor:pointer;transition:all var(--transition);white-space:nowrap;text-decoration:none}.btn-primary{background:linear-gradient(135deg,var(--accent) 0%,#34d399 100%);color:#fff;box-shadow:var(--shadow-sm)}.btn-primary:hover{transform:translateY(-1px);box-shadow:var(--shadow-glow)}.btn-primary:active{transform:translateY(0)}.btn-secondary{background:var(--bg-input);color:var(--text-primary);border:1px solid var(--border)}.btn-secondary:hover{background:var(--bg-hover)}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover{background:var(--danger-hover)}.btn-icon{width:40px;height:40px;padding:0;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--radius-md);background:var(--bg-input);border:1px solid var(--border);color:var(--text-secondary);cursor:pointer;font-size:18px;transition:all var(--transition)}.btn-icon:hover{background:var(--bg-hover);color:var(--text-primary)}.admin-panel{display:grid;gap:10px}.admin-card-compact{padding:10px 12px}.admin-section-title{margin:0 0 8px;font-size:.9rem;font-weight:700}.admin-create-grid{display:grid;grid-template-columns:140px 120px 120px minmax(180px,1fr) auto;gap:8px;align-items:end}.admin-field{display:grid;gap:4px}.admin-field span{font-size:.72rem;color:var(--text-secondary);font-weight:600;letter-spacing:.02em;text-transform:uppercase}.admin-input{width:100%;padding:6px 8px;border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-input);color:var(--text-primary);font-family:var(--font);font-size:.8rem;outline:none}.admin-input:focus{border-color:var(--border-focus);box-shadow:0 0 0 2px var(--accent-light)}.admin-input-sm{min-width:100px}.admin-create-action{display:flex;align-items:flex-end}.admin-btn-sm{padding:6px 10px;font-size:.75rem;border-radius:var(--radius-sm)}.admin-table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-sm)}.admin-table{width:100%;border-collapse:collapse;min-width:980px;font-size:.8rem}.admin-table th,.admin-table td{border-bottom:1px solid var(--border);padding:6px;text-align:left;vertical-align:middle}.admin-table th{background:var(--bg-input);color:var(--text-secondary);font-size:.72rem;text-transform:uppercase;letter-spacing:.03em}.admin-path{display:inline-block;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text-muted);font-size:.74rem}.admin-actions-cell{display:flex;gap:4px;flex-wrap:wrap}@media (max-width: 900px){.admin-create-grid{grid-template-columns:repeat(2,minmax(140px,1fr))}}.items-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(280px,1fr));gap:16px}.item-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition);cursor:pointer;position:relative}.item-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-md);border-color:var(--accent)}.item-card-image{width:100%;height:180px;object-fit:cover;background:var(--bg-input);display:flex;align-items:center;justify-content:center}.item-card-image img{width:100%;height:100%;object-fit:cover}.item-card-placeholder{width:100%;height:180px;background:linear-gradient(135deg,var(--bg-input) 0%,var(--bg-hover) 100%);display:flex;align-items:center;justify-content:center;color:var(--text-muted);font-size:40px}.item-card-body{padding:16px}.item-card-name{font-size:1rem;font-weight:600;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-card-meta{display:flex;align-items:center;gap:12px;font-size:.8rem;color:var(--text-secondary);margin-bottom:8px}.item-card-badge{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:20px;font-size:.75rem;font-weight:500;background:var(--accent-light);color:var(--accent)}.item-card-qty{font-weight:600;font-size:.85rem}.item-card-location{font-size:.8rem;color:var(--text-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.items-compact-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:10px}.item-compact{display:flex;align-items:center;gap:12px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:10px 14px;cursor:pointer;transition:all var(--transition)}.item-compact:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}.item-compact-thumb{width:40px;height:40px;border-radius:var(--radius-sm);overflow:hidden;flex-shrink:0;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:18px;color:var(--text-muted)}.item-compact-thumb img{width:100%;height:100%;object-fit:cover}.item-compact-info{flex:1;min-width:0;display:flex;flex-direction:column;gap:2px}.item-compact-name{font-size:.875rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-compact-detail{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:.75rem;color:var(--text-secondary)}.item-compact-loc{font-size:.75rem;color:var(--text-muted);white-space:nowrap;flex-shrink:0}.items-list{display:flex;flex-direction:column}.item-list-row{display:grid;grid-template-columns:44px 1fr 120px 120px 50px 100px 90px;gap:12px;align-items:center;padding:10px 16px;border-bottom:1px solid var(--border);cursor:pointer;transition:background var(--transition)}.item-list-row:hover{background:var(--bg-hover)}.item-list-row.item-list-header{cursor:default;font-size:.7rem;font-weight:700;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);background:var(--bg-input);border-radius:var(--radius-sm) var(--radius-sm) 0 0;border-bottom:2px solid var(--border)}.item-list-row.item-list-header:hover{background:var(--bg-input)}.item-list-thumb{width:36px;height:36px;border-radius:6px;overflow:hidden;flex-shrink:0;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:16px;color:var(--text-muted)}.item-list-thumb img{width:100%;height:100%;object-fit:cover}.item-list-name{font-size:.9rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-list-cell{font-size:.825rem;color:var(--text-secondary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.item-list-qty{font-weight:700;text-align:right}.item-list-date{font-size:.78rem;color:var(--text-muted);text-align:right;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.spreadsheet-wrapper{overflow-x:auto;border:1px solid var(--border);border-radius:var(--radius-md)}.spreadsheet-table{width:100%;border-collapse:collapse;font-size:.85rem}.spreadsheet-th{text-align:left;padding:10px 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10px;border-radius:12px}.modal-overlay{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1000;background:#00000080;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;padding:24px;animation:fadeIn .2s ease}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}@keyframes slideUp{0%{opacity:0;transform:translateY(20px) scale(.98)}to{opacity:1;transform:translateY(0) scale(1)}}.modal{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;overflow-y:auto;animation:slideUp .3s cubic-bezier(.16,1,.3,1);box-shadow:var(--shadow-lg)}.modal-header{display:flex;align-items:center;justify-content:space-between;padding:20px 24px;border-bottom:1px solid var(--border)}.modal-header h2{font-size:1.15rem;font-weight:700}.modal-body{padding:24px;display:flex;flex-direction:column;gap:16px}.modal-footer{display:flex;align-items:center;justify-content:flex-end;gap:8px;padding:16px 24px;border-top:1px solid var(--border)}.form-group{display:flex;flex-direction:column;gap:6px}.form-label{font-size:.8rem;font-weight:600;color:var(--text-secondary);text-transform:uppercase;letter-spacing:.04em}.form-input,.form-textarea,.form-select{padding:10px 14px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--bg-input);color:var(--text-primary);font-family:var(--font);font-size:.9rem;transition:all var(--transition);outline:none}.form-input:focus,.form-textarea:focus,.form-select:focus{border-color:var(--border-focus);box-shadow:0 0 0 3px var(--accent-light)}.form-textarea{resize:vertical;min-height:80px}.image-upload-area{border:2px dashed var(--border);border-radius:var(--radius-md);padding:24px;text-align:center;cursor:pointer;transition:all 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.delete-chip:hover{color:var(--danger)}.empty-state{text-align:center;padding:60px 20px;color:var(--text-muted)}.empty-state-icon{font-size:56px;margin-bottom:16px;opacity:.4}.empty-state h3{font-size:1.1rem;color:var(--text-secondary);margin-bottom:8px}.empty-state p{font-size:.9rem}.detail-view{display:flex;gap:32px;align-items:flex-start}.detail-image-wrapper{flex:0 0 320px;border-radius:var(--radius-lg);overflow:hidden;background:var(--bg-input);aspect-ratio:1;display:flex;align-items:center;justify-content:center}.detail-image-wrapper img{width:100%;height:100%;object-fit:cover}.detail-info{flex:1;min-width:0}.detail-info h1{font-size:1.5rem;font-weight:800;margin-bottom:4px}.detail-field{margin-bottom:16px}.detail-field-label{font-size:.75rem;font-weight:600;text-transform:uppercase;letter-spacing:.05em;color:var(--text-muted);margin-bottom:2px}.detail-field-value{font-size:.95rem;color:var(--text-primary)}.stats-bar-compact{display:flex;align-items:center;gap:8px;padding:10px 16px;margin-bottom:16px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);font-size:.85rem;color:var(--text-secondary);flex-wrap:wrap}.stat-inline{display:inline-flex;align-items:center;gap:4px}.stat-inline-value{font-weight:700;color:var(--text-primary);font-size:.95rem}.stat-divider{color:var(--text-muted);font-size:.9rem;-webkit-user-select:none;user-select:none}.toast-container{position:fixed;bottom:24px;right:24px;z-index:2000;display:flex;flex-direction:column;gap:8px}.toast{background:var(--bg-secondary);border:1px solid var(--border);border-radius:var(--radius-md);padding:12px 20px;box-shadow:var(--shadow-md);font-size:.875rem;animation:slideUp .3s ease;display:flex;align-items:center;gap:8px}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}.add-category-row{display:flex;gap:8px}.add-category-row 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16px}.main-content{padding:16px}.items-grid{grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}.items-compact-grid{grid-template-columns:1fr}.item-card-placeholder,.item-card-image{height:120px}.toolbar{gap:8px}.search-wrapper{min-width:100%}.detail-view{flex-direction:column}.detail-image-wrapper{flex:none;width:100%;aspect-ratio:16/9}.modal{max-width:100%;margin:0;border-radius:var(--radius-lg)}.view-toggle-label{display:none}.view-toggle-btn{padding:7px 10px}.item-list-row{grid-template-columns:36px 1fr 60px}.item-list-row .item-list-cell:not(.item-list-qty){display:none}}@media (max-width: 480px){.items-grid{grid-template-columns:1fr}.header-title{font-size:1rem}}.login-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:radial-gradient(circle at center,#1f2937f2,#111827);display:flex;align-items:center;justify-content:center;z-index:5000;padding:20px;-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px)}[data-theme=light] .login-overlay{background:radial-gradient(circle at center,#f3f4f6f2,#e5e7eb)}.login-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);width:100%;max-width:380px;padding:40px;box-shadow:0 25px 50px -12px #00000080;text-align:center}.login-header{margin-bottom:30px}.login-icon{font-size:3rem;margin-bottom:16px}.login-header h1{font-size:1.5rem;margin-bottom:8px}.login-header p{font-size:.9rem;color:var(--text-muted)}.pin-input-wrapper{margin-bottom:20px}.pin-input-wrapper input{width:100%;padding:16px;font-size:1.5rem;text-align:center;letter-spacing:.5em;border-radius:var(--radius-md);border:2px solid var(--border);background:var(--bg-input);color:var(--text-primary);transition:all var(--transition)}.pin-input-wrapper input:focus{border-color:var(--accent);box-shadow:0 0 0 4px var(--accent-light);outline:none}.login-error{margin-bottom:16px;color:var(--danger);font-size:.85rem;font-weight:500}.login-footer{margin-top:24px;font-size:.75rem;color:var(--text-muted)}.btn-block{width:100%;padding:14px;font-size:1rem}.activity-timeline{display:flex;flex-direction:column;gap:12px;max-width:800px;margin:0 auto}.activity-item{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-md);padding:16px;display:flex;align-items:flex-start;gap:16px;transition:all var(--transition)}.activity-item:hover{border-color:var(--accent);box-shadow:var(--shadow-sm)}.activity-icon-cirle{width:32px;height:32px;border-radius:50%;background:var(--bg-input);display:flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0}.activity-content{flex:1}.activity-header-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:4px}.activity-action{font-weight:700;font-size:.7rem;padding:2px 8px;border-radius:4px;text-transform:uppercase}.activity-item-name{font-weight:600;margin-left:8px}.activity-time{font-size:.75rem;color:var(--text-muted)}.activity-details{font-size:.85rem;color:var(--text-secondary)}.action-add{background:#10b9811a;color:var(--success)}.action-update{background:#14b8a61a;color:#14b8a6}.action-delete,.action-checkout{background:#ef44441a;color:var(--danger)}.action-return{background:#10b9811a;color:var(--success)}.activity-footer{display:flex;flex-direction:column;align-items:center;margin-top:24px;margin-bottom:40px;gap:12px}.load-more-btn{padding:10px 32px;font-weight:600}.no-more-msg{font-size:.85rem;color:var(--text-muted);font-style:italic}