:root {
            --primary: #1A1A1A;
            --primary-light: #2D2D2D;
            --secondary: #FFFFFF;
            --accent: #B3E64F;
            --accent-light: #C6F065;
            --accent-dark: #9ACC3A;
            --accent-rgb: 179, 230, 79;
            --success: #B3E64F;
            --success-hover: #9ACC3A;
            --danger: #E53935;
            --warning: #F59E0B;
            --bg-light: #F9F9F9;
            --surface: #FFFFFF;
            --text-primary: #1A1A1A;
            --text-secondary: #757575;
            --border: #E5E5E5;
            --gray-50: #FAFAFA;
            --gray-100: #F5F5F5;
            --gray-200: #E5E5E5;
            --gray-300: #D4D4D4;
            --border-radius: 12px;
            --border-radius-lg: 20px;
            --transition: all 0.2s ease;
            --cat-napoje: #5B8DBF;
            --cat-snacky: #D97634;
            --cat-jedlo: #757575;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        html, body {
            width: 100%;
            height: 100%;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica Neue', sans-serif;
            background: var(--bg-light);
            color: var(--text-primary);
            overflow: hidden;
            font-size: 16px;
            line-height: 1.5;
        }

        .app {
            display: flex;
            width: 100%;
            height: 100%;
        }

        .screen {
            flex: 1;
            background: var(--bg-light);
            overflow-y: auto;
            overflow-x: hidden;
            padding: 0;
            display: none;
            flex-direction: column;
        }

        .screen.active {
            display: flex;
        }

        /* ===== LOGIN SCREEN ===== */
        .screen#loginScreen {
            background: var(--primary);
            align-items: center;
            justify-content: center;
            padding: 40px 20px;
        }

        .data-load-error {
            margin-bottom: 20px;
            padding: 16px 20px;
            border-radius: 12px;
            background: rgba(231, 76, 60, 0.15);
            border: 1px solid var(--danger);
            color: #fff;
            text-align: center;
            max-width: 420px;
        }

        .data-load-error p {
            margin: 0 0 8px;
        }

        .data-load-error p:last-of-type {
            margin-bottom: 16px;
            opacity: 0.9;
            font-size: 14px;
        }

        .login-container {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            width: 100%;
            max-width: 700px;
        }

        .login-box-title {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary);
            text-align: center;
            letter-spacing: -0.5px;
            margin: 0 0 32px;
        }

        .login-box {
            width: 100%;
            background: var(--surface);
            border-radius: var(--border-radius-lg);
            padding: 40px;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        }

        .pin-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            display: block;
        }

        .login-pin-section {
            margin-top: 30px;
        }

        .login-pin-section[hidden] {
            display: none !important;
        }

        .login-pin-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            margin-top: 20px;
            margin-bottom: 24px;
            height: 52px;
        }

        .login-pin-section .pin-label {
            margin-bottom: 0;
        }

        .user-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 40px;
            align-content: start;
            align-items: start;
        }

        .user-btn {
            padding: 24px 16px;
            border: 2px solid var(--gray-200);
            background: white;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            color: var(--text-primary);
        }

        .user-btn:hover {
            border-color: var(--accent);
            background: rgba(var(--accent-rgb), 0.08);
        }

        .user-btn.selected {
            border-color: var(--accent);
            background: var(--accent);
            color: var(--primary);
        }

        .user-avatar {
            width: 48px;
            height: 48px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .avatar-image {
            border-radius: 50%;
            object-fit: cover;
            display: block;
        }

        .avatar-image-md {
            width: 48px;
            height: 48px;
        }

        .avatar-image-sm {
            width: 28px;
            height: 28px;
        }

        .avatar-image-xs {
            width: 36px;
            height: 36px;
        }

        .avatar-emoji {
            font-size: 32px;
            line-height: 1;
        }

        .keyboard-layout-badge {
            background: var(--accent);
            color: var(--primary);
            padding: 6px 12px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 13px;
            height: fit-content;
            min-width: 42px;
            text-align: center;
        }

        .pin-display {
            font-size: 56px;
            text-align: center;
            letter-spacing: 24px;
            margin: 40px 0;
            color: var(--primary);
            font-weight: 700;
            font-family: 'Monaco', 'Courier New', monospace;
        }

        .keypad {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 10px;
            margin-bottom: 30px;
        }

        .keypad button {
            padding: 20px;
            font-size: 20px;
            font-weight: 700;
            border: 2px solid var(--gray-200);
            cursor: pointer;
            background: var(--gray-50);
            transition: var(--transition);
            color: var(--text-primary);
        }

        .keypad button:hover:not(.enter):not(.backspace) {
            background: var(--gray-100);
            border-color: var(--gray-300);
        }

        .keypad button:active:not(.enter):not(.backspace) {
            transform: scale(0.95);
        }

        .keypad button.enter {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
            font-weight: 700;
        }

        .keypad button.enter:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
        }

        .keypad button.backspace {
            background: var(--danger);
            color: white;
            border-color: var(--danger);
        }

        .admin-pin-hint {
            color: var(--text-secondary);
            font-size: 14px;
            margin: -8px 0 20px;
            line-height: 1.5;
        }

        .admin-pin-display {
            font-size: 40px;
            letter-spacing: 16px;
            margin: 0;
        }

        .otp-pin-input {
            position: relative;
            display: flex;
            justify-content: center;
            min-height: 52px;
        }

        .otp-pin-slots {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 12px;
            width: 100%;
            max-width: 280px;
            margin: 0 auto;
        }

        .otp-pin-slot {
            display: flex;
            align-items: center;
            justify-content: center;
            min-height: 52px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            background: var(--gray-50);
            font-size: 28px;
            font-weight: 700;
            color: var(--primary);
            font-family: 'Monaco', 'Courier New', monospace;
            line-height: 1;
            transition: var(--transition);
        }

        .otp-pin-slot.is-filled {
            border-color: var(--accent);
            background: white;
        }

        .otp-pin-slot.is-active {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
        }

        .otp-pin-capture {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            border: 0;
            cursor: text;
        }

        .field-error {
            margin: 8px 0 0;
            font-size: 13px;
            font-weight: 600;
            color: var(--danger);
            line-height: 1.45;
        }

        .field-error[hidden] {
            display: none !important;
        }

        .form-group label.is-error {
            color: var(--danger);
        }

        .otp-pin-input.is-invalid .otp-pin-slot,
        .otp-pin-input.is-invalid .otp-pin-slot.is-filled,
        .otp-pin-input.is-invalid .otp-pin-slot.is-active {
            border-color: var(--danger);
            background: #fff5f5;
            color: var(--danger);
            box-shadow: 0 0 0 3px rgba(229, 57, 53, 0.15);
        }

        .admin-pin-keypad {
            margin-bottom: 20px;
        }

        .admin-pin-modal-actions {
            display: flex;
            justify-content: center;
        }
        .header {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
            align-items: center;
            padding: 12px 20px;
            border-bottom: 3px solid var(--accent);
            background: var(--primary);
            gap: 12px 16px;
            color: white;
        }

        .header h1 {
            font-size: 28px;
            color: var(--accent);
            font-weight: 900;
            margin: 0;
            letter-spacing: -0.5px;
            justify-self: start;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .header .app-header-datetime {
            justify-self: center;
        }

        .header > .btn {
            justify-self: end;
        }

        .btn {
            padding: 10px 16px;
            background: rgba(255, 255, 255, 0.15);
            color: white;
            border: none;
            cursor: pointer;
            font-size: 13px;
            font-weight: 700;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .btn:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        .btn:active {
            transform: scale(0.98);
        }

        .pos-header .btn {
            padding: 10px 16px;
            background: transparent;
            color: white;
        }

        .pos-header .btn:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .pos-header .btn.btn-danger {
            background: transparent;
            color: white;
        }

        .pos-header .btn.btn-danger:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .btn-success {
            background: var(--accent);
            color: var(--primary);
        }

        .btn-success:hover {
            background: var(--accent-dark);
        }

        .btn-danger {
            background: var(--danger);
            color: white;
        }

        .btn-danger:hover {
            background: #C62828;
        }

        .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: white;
        }

        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        .pos-header .btn-secondary {
            background: rgba(255, 255, 255, 0.15);
            color: white;
        }

        .pos-header .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.25);
        }

        .avatar-screen-content {
            padding: 32px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .avatar-subtitle {
            color: var(--text-secondary);
            margin-bottom: 32px;
            font-size: 15px;
        }

        .avatar-grid {
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 16px;
            margin-bottom: 40px;
            flex: 1;
            overflow-y: auto;
            max-height: 420px;
            padding-right: 8px;
        }

        .avatar-grid-modal {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
            margin-bottom: 0;
            max-height: 260px;
            overflow-x: hidden;
            overflow-y: auto;
            flex: none;
            align-content: flex-start;
            padding-right: 4px;
        }

        .avatar-grid-modal .avatar-btn {
            position: relative;
            flex: 0 0 calc((100% - 50px) / 6);
            width: calc((100% - 50px) / 6);
            height: auto;
            aspect-ratio: 1;
            border-width: 2px;
            border-radius: 50%;
            overflow: hidden;
        }

        .avatar-grid-modal .avatar-btn .avatar-image {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 50%;
        }

        .avatar-grid-modal .avatar-btn:hover {
            transform: none;
        }

        .avatar-grid-modal .avatar-btn.selected {
            box-shadow: 0 0 0 4px rgba(var(--accent-rgb), 0.18), inset 0 0 0 2px white;
        }

        .avatar-grid::-webkit-scrollbar {
            display: none;
        }

        .avatar-grid::-webkit-scrollbar-track {
            background: transparent;
        }

        .avatar-grid::-webkit-scrollbar-thumb {
            background: transparent;
            border-radius: 3px;
        }

        .avatar-btn {
            width: 100%;
            aspect-ratio: 1;
            border: 3px solid transparent;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            background: var(--gray-100);
            padding: 0;
            overflow: hidden;
        }

        .avatar-btn .avatar-image {
            width: 100%;
            height: 100%;
        }

        .avatar-btn:hover {
            transform: scale(1.12);
            background: var(--gray-200);
        }

        .avatar-btn.selected {
            border-color: var(--accent);
            box-shadow: 0 0 0 6px rgba(var(--accent-rgb), 0.18), inset 0 0 0 2px white;
            background: white;
        }

        /* ===== POS SCREEN ===== */
        .pos-header {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
            align-items: center;
            padding: 20px 32px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            background: var(--primary);
            gap: 12px 16px;
        }

        .pos-header-left {
            min-width: 0;
            display: flex;
            align-items: center;
            justify-self: start;
        }

        .pos-header h1 {
            font-size: 24px;
            font-weight: 700;
            margin: 0;
            color: white;
            display: flex;
            align-items: baseline;
            gap: 8px;
            min-width: 0;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .pos-header-version {
            font-size: 0.42em;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.2px;
            line-height: 1;
        }

        .app-header-datetime {
            display: flex;
            flex-direction: column;
            align-items: flex-end;
            gap: 4px;
            margin: 0;
            color: rgba(255, 255, 255, 0.9);
            font-size: 16px;
            font-weight: 600;
            line-height: 1.2;
            white-space: nowrap;
        }

        .app-header-datetime-date {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
        }

        .app-header-datetime-time {
            font-size: 20px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: #ffffff;
        }

        .header .app-header-datetime {
            align-items: center;
            text-align: center;
        }

        .pos-header-spacer {
            flex: 1;
        }

        .pos-header-icon {
            line-height: 1;
        }

        .user-info {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            background: transparent;
            padding: 0;
            border: none;
            cursor: pointer;
            color: white;
            font: inherit;
            flex-shrink: 0;
            justify-self: center;
        }

        .user-info:hover {
            opacity: 0.85;
        }

        .user-info:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }

        .user-avatar-display {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            line-height: 1;
        }

        .user-name {
            font-weight: 600;
            font-size: 14px;
            color: white;
        }

        .pos-header-right {
            display: flex;
            align-items: center;
            justify-content: flex-end;
            gap: 12px;
            min-width: 0;
            width: 100%;
            justify-self: stretch;
        }

        .pos-actions {
            display: flex;
            justify-content: flex-end;
            gap: 12px;
            flex-shrink: 0;
        }

        .pos-container {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.9fr;
            gap: 16px;
            flex: 1;
            padding: 16px;
            overflow: hidden;
        }

        .products-section {
            display: flex;
            flex-direction: column;
            gap: 16px;
            overflow: hidden;
        }

        .products-main {
            flex: 1;
            min-height: 0;
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }

        .product-recommendations {
            flex-shrink: 0;
            border-top: 2px solid var(--gray-200);
            padding-top: 12px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 118px;
        }

        .product-recommendations.is-empty {
            opacity: 0.72;
        }

        .product-recommendations-header {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .product-recommendations-title {
            color: var(--primary);
            font-weight: 800;
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 0.6px;
        }

        .product-recommendations-subtitle {
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1.3;
        }

        .product-recommendations-list {
            display: flex;
            gap: 10px;
            overflow-x: auto;
            padding-bottom: 4px;
            min-height: 72px;
            align-items: stretch;
        }

        .product-recommendations-list::-webkit-scrollbar {
            height: 6px;
        }

        .product-recommendations-list::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 3px;
        }

        .product-recommendation-empty {
            display: flex;
            align-items: center;
            min-height: 72px;
            color: var(--text-secondary);
            font-size: 13px;
            font-style: italic;
        }

        .product-recommendation-tile {
            flex: 0 0 148px;
            border: 1px solid var(--border);
            border-left: 4px solid var(--accent);
            background: var(--surface);
            cursor: pointer;
            padding: 10px 12px;
            text-align: left;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 4px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
            transition: var(--transition);
        }

        .product-recommendation-tile:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 14px rgba(0, 0, 0, 0.08);
            border-color: var(--accent);
        }

        .product-recommendation-name {
            font-size: 13px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--text-primary);
            overflow: hidden;
            text-overflow: ellipsis;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        .product-recommendation-price {
            font-size: 14px;
            font-weight: 800;
            color: var(--primary);
        }

        .product-recommendation-price.product-price-discount {
            color: var(--danger);
        }

        .product-recommendation-hint {
            font-size: 11px;
            color: var(--text-secondary);
            line-height: 1.2;
        }

        .search-bar {
            display: flex;
            gap: 10px;
        }

        .search-bar input {
            flex: 1;
            padding: 12px 16px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            font-size: 14px;
            transition: var(--transition);
        }

        .search-bar input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
        }

        .search-bar .btn-qr {
            padding: 12px 20px;
            background: var(--primary);
            color: white;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
        }

        .category-filter-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            min-width: 0;
            max-width: 9rem;
            padding: 12px 14px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            background: white;
            color: var(--primary);
            cursor: pointer;
            font-weight: 700;
            font-size: 13px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .category-filter-btn:hover {
            border-color: var(--accent);
            background: rgba(var(--accent-rgb), 0.12);
        }

        .category-filter-btn-label {
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .category-filter-btn-icon {
            font-size: 11px;
            line-height: 1;
            opacity: 0.75;
            flex-shrink: 0;
        }

        .category-filter-btn[data-category="Nápoje"] {
            background: #5B8DBF;
            border-color: #5B8DBF;
            color: white;
        }

        .category-filter-btn[data-category="Snacky"] {
            background: #D97634;
            border-color: #D97634;
            color: white;
        }

        .category-filter-btn[data-category="Jedlo"] {
            background: var(--cat-jedlo);
            border-color: var(--cat-jedlo);
            color: white;
        }

        .product-sort-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 3.5rem;
            padding: 12px 12px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            background: white;
            color: var(--primary);
            cursor: pointer;
            font-weight: 700;
            font-size: 13px;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .product-sort-btn:hover {
            border-color: var(--accent);
            background: rgba(var(--accent-rgb), 0.12);
        }

        .product-sort-btn[data-sort-mode="sales"] {
            background: var(--primary);
            border-color: var(--primary);
            color: white;
        }

        .product-sort-btn[data-sort-mode="sales"]:hover {
            background: #333;
            border-color: #333;
        }

        .category-picker-modal-content {
            max-width: 480px;
        }

        .category-picker-tabs {
            margin-bottom: 8px;
        }

        .category-tabs {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .category-tab {
            padding: 10px 16px;
            border: 2px solid var(--gray-200);
            background: white;
            cursor: pointer;
            font-weight: 600;
            font-size: 13px;
            transition: var(--transition);
            color: var(--text-secondary);
        }

        .category-tab:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .category-tab.active {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .category-tab[data-category="Nápoje"] {
            background: #5B8DBF;
            color: white;
            border-color: #5B8DBF;
        }

        .category-tab[data-category="Nápoje"]:hover {
            background: #6FA8D4;
            border-color: #6FA8D4;
        }

        .category-tab[data-category="Snacky"] {
            background: #D97634;
            color: white;
            border-color: #D97634;
        }

        .category-tab[data-category="Snacky"]:hover {
            background: #E89450;
            border-color: #E89450;
        }

        .category-tab[data-category="Jedlo"] {
            background: var(--cat-jedlo);
            color: white;
            border-color: var(--cat-jedlo);
        }

        .category-tab[data-category="Jedlo"]:hover {
            background: #616161;
            border-color: #616161;
        }

        .product-grid {
            display: flex;
            flex-direction: column;
            gap: 16px;
            flex: 1;
            overflow-y: auto;
            padding-right: 8px;
            align-content: start;
        }

        .product-category-group {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .product-category-group-title {
            margin: 0;
            font-size: 13px;
            font-weight: 800;
            text-transform: uppercase;
            letter-spacing: 0.6px;
            color: var(--primary);
            padding-bottom: 4px;
            border-bottom: 2px solid var(--border);
        }

        .product-category-group-title[data-category="Nápoje"] {
            color: var(--cat-napoje);
            border-bottom-color: var(--cat-napoje);
        }

        .product-category-group-title[data-category="Snacky"] {
            color: var(--cat-snacky);
            border-bottom-color: var(--cat-snacky);
        }

        .product-category-group-title[data-category="Jedlo"] {
            color: var(--cat-jedlo);
            border-bottom-color: var(--cat-jedlo);
        }

        .product-category-group-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
            gap: 12px;
            align-content: start;
            align-items: start;
        }

        .product-grid::-webkit-scrollbar {
            width: 6px;
        }

        .product-grid::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 3px;
        }

        .product-tile {
            position: relative;
            aspect-ratio: 1;
            --product-tile-border-width: 2px;
            border: var(--product-tile-border-width) solid var(--border);
            cursor: pointer;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-primary);
            padding: 14px 8px 30px;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            background: #ffffff;
            gap: 0;
            box-shadow: none;
            overflow: hidden;
        }

        .product-tile:hover {
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }

        .product-tile:active {
            transform: translateY(0);
        }

        .product-tile[data-category="Nápoje"] {
            border-color: var(--cat-napoje);
        }

        .product-tile[data-category="Snacky"] {
            border-color: var(--cat-snacky);
        }

        .product-tile[data-category="Jedlo"] {
            border-color: var(--cat-jedlo);
        }

        .product-tile .product-name {
            flex: 0 1 auto;
            display: block;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.2;
            width: 100%;
            padding: 0 2px;
            text-align: center;
            overflow-wrap: break-word;
            word-break: break-word;
            hyphens: auto;
        }

        .product-tile .product-price {
            position: absolute;
            right: calc(-1 * var(--product-tile-border-width));
            bottom: calc(-1 * var(--product-tile-border-width));
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 5px 10px;
            border-radius: 10px 0 0 0;
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            white-space: nowrap;
            line-height: 1.2;
            pointer-events: none;
        }

        .product-tile[data-category="Nápoje"] .product-price {
            background: var(--cat-napoje);
        }

        .product-tile[data-category="Snacky"] .product-price {
            background: var(--cat-snacky);
        }

        .product-tile[data-category="Jedlo"] .product-price {
            background: var(--cat-jedlo);
        }

        .product-tile:not([data-category="Nápoje"]):not([data-category="Snacky"]):not([data-category="Jedlo"]) .product-price {
            background: var(--primary);
        }

        .product-tile .product-price.product-price-discount {
            background: #c2410c;
            color: #ffffff;
        }

        .inventory-card-price.product-price-discount {
            color: #c2410c;
        }

        .product-stock {
            position: absolute;
            left: calc(-1 * var(--product-tile-border-width));
            bottom: calc(-1 * var(--product-tile-border-width));
            font-size: 10px;
            font-weight: 600;
            line-height: 1.2;
            padding: 5px 10px;
            border-radius: 0 10px 0 0;
            background: transparent;
            color: #1A1A1A;
            border: 1px solid #1A1A1A;
            border-left: none;
            border-bottom: none;
            white-space: nowrap;
            pointer-events: none;
        }

        .product-stock-medium,
        .product-stock-low {
            background: transparent;
            color: #1A1A1A;
            border-color: #1A1A1A;
        }

        /* ===== CART ===== */
        .cart-section {
            display: flex;
            flex-direction: column;
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--border-radius-lg);
            padding: 16px;
            gap: 12px;
            overflow: hidden;
            height: 100%;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .cart-header {
            font-size: 16px;
            font-weight: 900;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .cart-items {
            flex: 1;
            overflow-y: auto;
            padding-right: 8px;
        }

        .cart-items::-webkit-scrollbar {
            width: 6px;
        }

        .cart-items::-webkit-scrollbar-thumb {
            background: var(--gray-300);
            border-radius: 3px;
        }

        .cart-item {
            display: grid;
            grid-template-columns: minmax(0, 1fr) auto 9ch 42px;
            align-items: center;
            column-gap: 8px;
            padding: 12px;
            background: white;
            border-radius: var(--border-radius);
            margin-bottom: 8px;
            border: 1px solid var(--gray-200);
            font-size: 13px;
        }

        .cart-item-details {
            min-width: 0;
            overflow: hidden;
        }

        .cart-item-name {
            font-weight: 600;
            color: var(--primary);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .cart-item-price {
            color: var(--primary);
            font-size: 16px;
            font-weight: 700;
        }

        .qty-control {
            display: grid;
            grid-template-columns: 42px 36px 42px;
            column-gap: 4px;
            align-items: center;
            justify-self: center;
            flex-shrink: 0;
            position: relative;
            z-index: 2;
        }

        .qty-btn {
            width: 42px;
            height: 42px;
            padding: 0;
            font-size: 18px;
            border: 2px solid var(--primary);
            background: var(--bg-light);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            color: var(--primary);
            justify-self: center;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            box-sizing: border-box;
            border-radius: var(--border-radius);
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent;
            position: relative;
            z-index: 1;
        }

        .qty-btn:hover {
            background: var(--accent);
            color: var(--primary);
            border-color: var(--accent);
        }

        .qty-btn:active {
            transform: scale(0.95);
        }

        .qty-display {
            width: 36px;
            min-width: 36px;
            max-width: 36px;
            text-align: center;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            justify-self: center;
            overflow: hidden;
            pointer-events: none;
        }

        .qty-display-price {
            width: 9ch;
            min-width: 9ch;
            max-width: 9ch;
            text-align: right;
            font-weight: 700;
            font-size: 20px;
            color: var(--primary);
            font-variant-numeric: tabular-nums;
            justify-self: end;
            pointer-events: none;
        }

        .qty-btn-remove {
            background: #FEE2E2;
            color: var(--danger);
            border-color: #FECACA;
            justify-self: center;
        }

        .qty-btn-remove:hover {
            background: #FCA5A5;
            border-color: #F87171;
        }

        .empty-message {
            color: var(--text-secondary);
            text-align: center;
            padding: 20px;
            font-size: 13px;
        }

        .cart-total {
            background: transparent;
            padding: 16px;
            border-radius: var(--border-radius);
            font-size: 15px;
            font-weight: 700;
            border: 2px solid rgba(255, 255, 255, 0.2);
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: white;
        }

        .cart-total-amount {
            color: var(--accent);
            font-size: 20px;
        }

        .cart-footer {
            display: flex;
            justify-content: center;
            align-items: center;
            padding: 16px;
            border-top: 1px solid var(--border);
            color: var(--primary);
            font-weight: 600;
            margin-top: auto;
            font-size: 18px;
            gap: 12px;
        }

        .cart-footer-total,
        .cart-footer-count {
            font-size: 48px;
            font-weight: 900;
        }

        .cart-footer-separator {
            font-size: 20px;
        }

        .cart-footer-label {
            font-size: 16px;
        }

        .payment-column {
            background: var(--surface);
            border: 1px solid var(--border);
            border-radius: var(--border-radius-lg);
            padding: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.04);
        }

        .payment-column-title {
            color: var(--primary);
            font-weight: 900;
            font-size: 16px;
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .payment-column-label {
            color: var(--primary);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .payment-method-label {
            color: var(--text-primary);
            font-weight: 700;
            font-size: 14px;
            margin-bottom: 10px;
        }

        .payment-method-options {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
            margin-bottom: 16px;
        }

        .payment-method-btn {
            display: flex;
            flex-direction: row;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 14px;
            border: 2px solid var(--gray-200);
            background: white;
            cursor: pointer;
            color: var(--text-primary);
            transition: var(--transition);
            min-height: 52px;
        }

        .payment-method-btn:hover {
            border-color: var(--gray-300);
        }

        .payment-method-btn.active {
            border-color: var(--accent);
            color: var(--primary);
            background: rgba(var(--accent-rgb), 0.08);
        }

        .payment-method-btn.active .payment-method-icon {
            color: var(--primary);
        }

        .payment-method-icon {
            width: 24px;
            height: 24px;
            color: var(--text-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .payment-method-icon svg {
            width: 100%;
            height: 100%;
        }

        .payment-method-name {
            font-weight: 700;
            font-size: 13px;
            white-space: nowrap;
        }

        @media (max-width: 640px) {
            .payment-method-btn {
                flex-direction: column;
                min-height: 48px;
                padding: 8px;
                gap: 0;
            }

            .payment-method-icon {
                width: 28px;
                height: 28px;
            }

            .payment-method-name {
                display: none;
            }
        }

        .cash-payment-section {
            display: flex;
            flex-direction: column;
        }

        .paid-section {
            background: var(--primary);
            padding: 16px;
            border-radius: var(--border-radius);
            border: none;
        }

        .paid-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 10px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .quick-pay {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 12px;
            margin-bottom: 16px;
        }

        .quick-pay button {
            padding: 16px 14px;
            border: 2px solid var(--border);
            background: var(--surface);
            cursor: pointer;
            font-weight: 700;
            font-size: 24px;
            transition: var(--transition);
            color: var(--primary);
            min-height: 60px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 0;
            touch-action: manipulation;
            -webkit-tap-highlight-color: transparent;
        }

        .quick-pay button:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: var(--primary);
        }

        .paid-input {
            width: 100%;
            padding: 16px 12px;
            border: 2px solid var(--border);
            border-radius: 8px;
            margin-bottom: 16px;
            font-size: 48px;
            font-weight: 900;
            text-align: center;
            transition: var(--transition);
            color: var(--primary);
        }

        .paid-input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
        }

        .change-display {
            display: none;
            background: rgba(var(--accent-rgb), 0.12);
            padding: 12px;
            border-radius: 6px;
            text-align: center;
            border: 1px solid rgba(var(--accent-rgb), 0.35);
        }

        .change-display.active {
            display: block;
        }

        .change-label {
            font-size: 11px;
            color: var(--text-secondary);
            margin-bottom: 4px;
            text-transform: uppercase;
            font-weight: 600;
        }

        .change-amount {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
        }

        .sell-btn {
            width: 100%;
            min-height: 72px;
            padding: 16px 24px;
            font-size: 18px;
            font-weight: 700;
            background: var(--accent);
            color: var(--primary);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .sell-btn:hover {
            background: var(--accent-dark);
        }

        .sell-btn:active {
            transform: scale(0.98);
        }

        .clear-cart-btn {
            width: 100%;
            margin-top: 12px;
            padding: 12px;
            font-size: 13px;
            font-weight: 600;
            background: var(--gray-200);
            color: var(--primary);
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }

        .clear-cart-btn:hover {
            background: var(--gray-300);
        }

        /* ===== ADMIN SCREEN ===== */
        .admin-tabs {
            display: flex;
            gap: 0;
            padding: 0 32px;
            border-bottom: 2px solid var(--gray-200);
            background: white;
        }

        .admin-tab {
            padding: 16px 20px;
            background: transparent;
            border: none;
            cursor: pointer;
            font-weight: 600;
            font-size: 14px;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            transition: var(--transition);
        }

        .admin-tab:hover {
            color: var(--primary);
            border-bottom-color: rgba(var(--accent-rgb), 0.45);
        }

        .admin-tab.active {
            color: var(--primary);
            border-bottom-color: var(--accent);
        }

        .admin-content {
            flex: 1;
            overflow-y: auto;
            padding: 32px;
        }

        .admin-section {
            display: none;
        }

        .admin-section.active {
            display: block;
        }

        .activity-day-group {
            margin-bottom: 24px;
        }

        .activity-day-group:last-child {
            margin-bottom: 0;
        }

        .activity-day-header {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border);
        }

        .activity-day-header h3 {
            margin: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-transform: capitalize;
        }

        .activity-day-count {
            font-size: 12px;
            color: var(--text-secondary);
            white-space: nowrap;
        }

        .activity-day-entries {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .activity-log-entry {
            background: white;
            padding: 12px;
            border-radius: 4px;
            border-left: 4px solid var(--text-secondary);
        }

        .activity-log-entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 2fr 1fr;
            gap: 16px;
            align-items: center;
        }

        .section-header {
            display: flex;
            gap: 12px;
            margin-bottom: 24px;
        }

        .section-header .btn {
            margin: 0;
            background: var(--primary);
            color: white;
        }

        .section-header .btn:hover {
            background: var(--secondary);
        }

        .config-panel {
            max-width: 520px;
            background: var(--surface);
            border: 1px solid var(--border);
            padding: 24px;
        }

        #configurationSection.active {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .inventory-panel {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .inventory-search {
            margin-bottom: 0;
        }

        .inventory-category-group {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .inventory-category-title {
            margin: 0;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--accent);
            color: var(--primary);
            font-size: 18px;
            font-weight: 700;
        }

        .inventory-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 12px;
        }

        .inventory-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 16px;
        }

        button.inventory-card {
            width: 100%;
            text-align: left;
            cursor: pointer;
            font: inherit;
            color: inherit;
            transition: var(--transition);
        }

        button.inventory-card:hover {
            border-color: var(--accent);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
            transform: translateY(-1px);
        }

        button.inventory-card:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

        button.inventory-card.inactive-product {
            opacity: 0.65;
        }

        .inventory-card-header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 12px;
            gap: 12px;
        }

        .inventory-card-name {
            font-weight: 600;
        }

        .inventory-card-qty {
            font-size: 20px;
            font-weight: 900;
            text-align: right;
        }

        .inventory-card-qty-label {
            font-size: 11px;
            color: var(--text-secondary);
        }

        .inventory-progress {
            background: var(--bg-light);
            height: 8px;
            border-radius: 4px;
            overflow: hidden;
        }

        .inventory-progress-bar {
            height: 100%;
        }

        .inventory-card-meta {
            font-size: 11px;
            color: var(--text-secondary);
            margin-top: 8px;
        }

        .inventory-card-price {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            margin-top: 4px;
        }

        .inventory-card-status {
            display: inline-block;
            margin-top: 8px;
            font-size: 10px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.4px;
            color: var(--text-secondary);
        }

        .inventory-card-status.is-active {
            color: #15803d;
        }

        .inventory-card-status.is-archived {
            color: var(--text-secondary);
        }

        button.inventory-card.archived-product {
            opacity: 0.65;
        }

        .inventory-empty {
            padding: 24px;
            text-align: center;
            background: white;
            border: 1px solid var(--border);
            border-radius: 8px;
            color: var(--text-secondary);
        }

        .inventory-low-stock-alert {
            background: var(--danger);
            color: white;
            padding: 12px;
            border-radius: 8px;
        }

        .category-color-palette {
            display: grid;
            grid-template-columns: repeat(10, 1fr);
            gap: 8px;
            margin-top: 8px;
        }

        .category-color-palette .category-color-dot {
            width: 26px;
            height: 26px;
        }

        .category-color-option {
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 4px;
            border: none;
            background: transparent;
            cursor: pointer;
            font: inherit;
            transition: transform 0.15s ease;
        }

        .category-color-option:hover {
            transform: scale(1.08);
        }

        .category-color-option.selected .category-color-dot {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .category-color-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: none;
            flex-shrink: 0;
        }

        .category-color-dot-sm {
            width: 14px;
            height: 14px;
            border-width: 1px;
        }

        .product-category-select {
            position: relative;
        }

        .product-category-trigger {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            background: white;
            font-size: 14px;
            font-family: inherit;
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition);
            text-align: left;
        }

        .product-category-trigger:hover {
            border-color: var(--gray-300);
        }

        .product-category-trigger[aria-expanded="true"] {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
        }

        .product-category-trigger-label {
            flex: 1;
            min-width: 0;
        }

        .product-category-chevron {
            color: var(--text-secondary);
            font-size: 12px;
            line-height: 1;
        }

        .product-category-menu {
            position: absolute;
            top: calc(100% + 6px);
            left: 0;
            right: 0;
            z-index: 20;
            max-height: 240px;
            overflow-y: auto;
            background: white;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            box-shadow: 0 12px 24px rgba(0, 0, 0, 0.12);
        }

        .product-category-menu[hidden] {
            display: none;
        }

        .product-category-option {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border: none;
            background: white;
            font: inherit;
            font-size: 14px;
            color: var(--text-primary);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .product-category-option:hover {
            background: var(--gray-50);
        }

        .product-category-option.selected {
            background: rgba(var(--accent-rgb), 0.12);
            font-weight: 600;
        }

        .product-category-option-label {
            flex: 1;
            min-width: 0;
        }

        .product-category-add-action {
            width: 100%;
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 12px;
            border: none;
            border-top: 1px solid var(--border);
            background: var(--gray-50);
            font: inherit;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .product-category-add-action:hover {
            background: rgba(var(--accent-rgb), 0.18);
        }

        .product-category-add-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 14px;
            height: 14px;
            font-size: 16px;
            line-height: 1;
            color: var(--primary);
        }

        .category-color-label {
            font-size: 11px;
            color: var(--text-secondary);
            text-align: center;
            line-height: 1.2;
        }

        .config-panel h2 {
            color: var(--primary);
            font-size: 18px;
            margin-bottom: 20px;
        }

        .config-hint {
            color: var(--text-secondary);
            font-size: 13px;
            margin-top: 8px;
            margin-bottom: 20px;
        }

        .app-version-label {
            margin-top: 20px;
            text-align: center;
            font-size: 12px;
            font-weight: 600;
            color: var(--text-secondary);
            letter-spacing: 0.3px;
        }

        .app-version-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-top: 24px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-secondary);
        }

        .app-version-row strong {
            color: var(--primary);
            font-weight: 700;
        }

        .table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: white;
            border-radius: var(--border-radius);
            border: 1px solid var(--gray-200);
            overflow: hidden;
        }

        .table th {
            background: var(--gray-50);
            padding: 14px 16px;
            text-align: left;
            font-weight: 600;
            font-size: 13px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            border-bottom: 1px solid var(--gray-200);
        }

        .table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--gray-200);
            font-size: 14px;
        }

        .table tr:last-child td {
            border-bottom: none;
        }

        .table tr:hover {
            background: var(--gray-50);
        }

        #userTable tr.table-row-clickable,
        #categoryTable tr.table-row-clickable {
            cursor: pointer;
        }

        #userTable tr.table-row-clickable:focus-visible,
        #categoryTable tr.table-row-clickable:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }

        .category-table {
            table-layout: fixed;
        }

        .category-table .category-table-color-col {
            width: 48px;
            max-width: 48px;
            padding: 14px 8px;
            text-align: center;
            vertical-align: middle;
        }

        .category-table .category-table-action-col {
            width: 180px;
            white-space: nowrap;
        }

        .category-table-color-strip {
            display: inline-block;
            width: 8px;
            height: 32px;
            border-radius: 4px;
            vertical-align: middle;
        }

        .category-item {
            background: var(--gray-50);
            padding: 16px;
            border-radius: var(--border-radius);
            margin-bottom: 10px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            border: 1px solid var(--gray-200);
        }

        .category-item-info {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
        }

        .color-box {
            width: 24px;
            height: 24px;
            border-radius: 4px;
            border: 1px solid var(--gray-300);
        }

        /* ===== MODAL ===== */
        .modal {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.4);
            align-items: center;
            justify-content: center;
            z-index: 1000;
            padding: 20px;
        }

        .modal.active {
            display: flex;
        }

        .modal.modal-confirm {
            z-index: 1100;
        }

        .modal-confirm .modal-content {
            max-width: 420px;
            text-align: center;
        }

        .modal-confirm .modal-title {
            margin-bottom: 16px;
        }

        .modal-confirm-message {
            color: var(--text-secondary);
            margin-bottom: 28px;
            font-size: 15px;
            line-height: 1.5;
        }

        .modal-confirm .modal-buttons {
            margin-top: 0;
        }

        .modal-content.modal-content-wide {
            max-width: 560px;
            text-align: left;
        }

        .backup-restore-warning {
            color: var(--danger);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .backup-restore-meta {
            display: grid;
            gap: 8px;
            margin-bottom: 20px;
            padding: 16px;
            background: var(--gray-50);
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 13px;
        }

        .backup-restore-meta-row {
            display: flex;
            justify-content: space-between;
            gap: 16px;
        }

        .backup-restore-meta-label {
            color: var(--text-secondary);
        }

        .backup-restore-meta-value {
            color: var(--primary);
            font-weight: 600;
            text-align: right;
        }

        .backup-restore-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
            margin-bottom: 8px;
        }

        .backup-restore-table th,
        .backup-restore-table td {
            padding: 10px 12px;
            border-bottom: 1px solid var(--border);
            text-align: left;
        }

        .backup-restore-table th {
            color: var(--text-secondary);
            font-weight: 600;
            background: var(--gray-50);
        }

        .backup-restore-table td:last-child,
        .backup-restore-table th:last-child,
        .backup-restore-table th:nth-child(2),
        .backup-restore-table td:nth-child(2) {
            text-align: right;
        }

        .backup-restore-table tbody tr:last-child td {
            border-bottom: none;
        }

        #backupRestoreModal .modal-buttons {
            margin-top: 24px;
        }

        .modal-content {
            background: white;
            padding: 32px;
            border-radius: var(--border-radius-lg);
            width: 100%;
            max-width: 450px;
            box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
        }

        .modal-title {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 24px;
            color: var(--primary);
        }

        .form-group {
            margin-bottom: 20px;
        }

        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 8px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-group input,
        .form-group select,
        .form-group textarea {
            width: 100%;
            padding: 12px;
            border: 2px solid var(--gray-200);
            border-radius: var(--border-radius);
            font-size: 14px;
            transition: var(--transition);
            font-family: inherit;
        }

        .form-group textarea {
            min-height: 88px;
            resize: vertical;
            line-height: 1.5;
        }

        .form-group input:focus,
        .form-group select:focus,
        .form-group textarea:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(var(--accent-rgb), 0.2);
        }

        .modal-buttons {
            display: flex;
            gap: 12px;
            margin-top: 28px;
            width: 100%;
        }

        .product-modal-stats {
            margin-top: 0;
            padding: 16px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--border-radius);
        }

        #productModal .modal-content {
            max-width: 820px;
        }

        .product-modal-grid {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
            gap: 28px;
            align-items: start;
        }

        .product-modal-column .form-group:last-child {
            margin-bottom: 0;
        }

        .product-modal-column-side {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .product-modal-column-side .form-group {
            margin-bottom: 0;
        }

        .product-modal-column-side .product-modal-stats-row {
            flex-direction: column;
            align-items: flex-start;
            gap: 6px;
        }

        .product-modal-buttons {
            margin-top: 28px;
        }

        .reconciliation-hint {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.5;
            margin: -12px 0 20px;
        }

        .reconciliation-summary {
            padding: 16px;
            margin-bottom: 20px;
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: var(--border-radius);
        }

        .reconciliation-summary-row {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 12px;
        }

        .reconciliation-summary-row + .reconciliation-summary-row {
            margin-top: 12px;
        }

        .reconciliation-summary-label {
            font-size: 13px;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
            font-weight: 600;
        }

        .reconciliation-summary-value {
            font-size: 18px;
            color: var(--primary);
        }

        .reconciliation-summary-value.reconciliation-datetime {
            font-size: 15px;
            font-weight: 600;
        }

        .reconciliation-summary-row-datetime {
            align-items: center;
        }

        .reconciliation-datetime-input {
            max-width: 220px;
            padding: 6px 10px;
            border: 1px solid var(--border);
            border-radius: 6px;
            background: white;
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            #productModal .modal-content {
                max-width: 450px;
            }

            .product-modal-grid {
                grid-template-columns: 1fr;
                gap: 0;
            }

            .product-modal-column-side {
                margin-top: 4px;
            }
        }

        .product-modal-stats-title {
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .product-modal-stats-row {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 12px;
        }

        .product-modal-stats-label {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .product-modal-stats-value {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            white-space: nowrap;
        }

        .product-modal-stats-meta {
            margin-top: 8px;
            font-size: 12px;
            color: var(--text-secondary);
        }

        .modal-buttons #productDeleteBtn {
            margin-left: auto;
        }

        .modal-buttons button {
            flex: 1;
            padding: 12px;
        }

        .modal-buttons .btn-secondary,
        .modal-content .btn-secondary {
            background: var(--gray-200);
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .modal-buttons .btn-secondary:hover,
        .modal-content .btn-secondary:hover {
            background: var(--gray-300);
        }

        .modal-buttons .btn-success {
            background: var(--accent);
            color: var(--primary);
        }

        .modal-buttons .btn-success:hover {
            background: var(--accent-dark);
        }

        /* ===== REPORTS ===== */
        .report-overview {
            display: grid;
            grid-template-columns: repeat(4, minmax(0, 1fr));
            gap: 20px;
            margin: 20px 0 30px;
        }

        .report-period-card {
            background: white;
            color: var(--text-primary);
            padding: 20px;
            border-radius: var(--border-radius-lg);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--border);
        }

        .report-period-card-title {
            margin: 0 0 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .report-period-stat {
            display: flex;
            align-items: baseline;
            justify-content: space-between;
            gap: 12px;
            padding: 8px 0;
        }

        .report-period-stat + .report-period-stat {
            border-top: 1px solid var(--bg-light);
        }

        .report-period-stat-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }

        .report-period-stat-value {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            text-align: right;
        }

        .report-period-stat-value.is-total {
            font-size: 22px;
            color: var(--accent-dark, var(--primary));
        }

        .report-user-overview {
            margin-bottom: 30px;
        }

        .report-user-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .report-user-card {
            background: white;
            border: 1px solid var(--border);
            border-radius: var(--border-radius-lg);
            padding: 16px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
        }

        .report-user-card-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
        }

        .report-user-metrics-head,
        .report-user-metrics-row {
            display: grid;
            grid-template-columns: 1.1fr 0.75fr 1fr 1fr;
            gap: 8px;
            align-items: center;
        }

        .report-user-metrics-head {
            margin-bottom: 4px;
            font-size: 10px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
        }

        .report-user-metrics-head span:not(:first-child),
        .report-user-metrics-row span:not(:first-child) {
            text-align: right;
        }

        .report-user-metrics-row {
            padding: 7px 0;
            font-size: 13px;
            border-top: 1px solid var(--bg-light);
        }

        .report-user-period-label {
            font-weight: 600;
            color: var(--primary);
        }

        .report-user-metric-total {
            font-weight: 700;
            color: var(--accent-dark, var(--primary));
        }

        .report-user-empty {
            padding: 24px;
            text-align: center;
            color: var(--text-secondary);
            background: var(--bg-light);
            border-radius: var(--border-radius);
        }

        .report-category-name-cell {
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .report-cashier-name-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
        }

        .report-category-name-cell .category-color-dot-sm {
            width: 12px;
            height: 12px;
            flex-shrink: 0;
        }

        .report-breakdown-table-wrap {
            overflow-x: auto;
        }

        .report-breakdown-table {
            width: 100%;
            min-width: 520px;
            border-collapse: collapse;
            background: white;
        }

        .report-breakdown-table th,
        .report-breakdown-table td {
            padding: 12px 14px;
            border-bottom: 1px solid var(--border);
            font-size: 14px;
            text-align: left;
        }

        .report-breakdown-table th {
            background: var(--gray-50);
            font-size: 11px;
            font-weight: 700;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
            cursor: pointer;
            user-select: none;
            white-space: nowrap;
        }

        .report-breakdown-table th:hover {
            color: var(--primary);
        }

        .report-breakdown-table th.is-sorted {
            color: var(--primary);
        }

        .report-breakdown-table td.numeric,
        .report-breakdown-table th.numeric {
            text-align: right;
        }

        .report-breakdown-table tbody tr:hover {
            background: var(--gray-50);
        }

        .report-breakdown-table .metric-total {
            font-weight: 700;
            color: var(--primary);
        }

        .report-cards {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin: 20px 0;
        }

        .report-card {
            background: white;
            color: var(--text-primary);
            padding: 28px;
            border-radius: var(--border-radius-lg);
            text-align: center;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
            border: 1px solid var(--border);
        }

        .report-label {
            font-size: 12px;
            opacity: 0.9;
            margin-bottom: 12px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            font-weight: 600;
        }

        .report-value {
            font-size: 32px;
            font-weight: 700;
        }

        .chart-container {
            background: white;
            padding: 24px;
            border-radius: var(--border-radius-lg);
            margin-bottom: 30px;
            border: 1px solid var(--gray-200);
        }

        .backup-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 8px;
        }

        .admin-content .btn-secondary {
            background: var(--gray-200);
            color: var(--primary);
            border: 1px solid var(--border);
        }

        .admin-content .btn-secondary:hover {
            background: var(--gray-300);
        }

        .chart-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--primary);
        }

        .report-section-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            margin-top: 16px;
            color: var(--primary);
        }

        .chart-pie-wrapper {
            position: relative;
            max-width: 520px;
            margin: 0 auto;
        }

        .report-product-split {
            display: grid;
            grid-template-columns: minmax(0, 1fr) minmax(280px, 360px);
            gap: 24px;
            align-items: start;
        }

        .report-product-split-main {
            min-width: 0;
        }

        .report-product-split-chart {
            min-width: 0;
        }

        .report-product-split-chart .chart-pie-wrapper {
            max-width: none;
            margin: 0;
        }

        @media (max-width: 960px) {
            .report-product-split {
                grid-template-columns: 1fr;
            }
        }

        .chart-pie-empty {
            padding: 48px 16px;
            text-align: center;
            color: var(--text-secondary);
            font-size: 14px;
        }

        .period-buttons {
            display: flex;
            gap: 8px;
            margin-bottom: 20px;
        }

        .report-subtabs {
            display: flex;
            gap: 8px;
            margin-bottom: 24px;
            padding-bottom: 16px;
            border-bottom: 2px solid var(--border);
        }

        .report-subpanel {
            display: none;
        }

        .report-subpanel.active {
            display: block;
        }

        .report-sklad-controls {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: flex-end;
            margin-bottom: 20px;
        }

        .report-sklad-controls .form-group {
            margin: 0;
            min-width: 220px;
        }

        .report-sklad-controls label {
            display: block;
            font-size: 11px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            letter-spacing: 0.4px;
            margin-bottom: 6px;
        }

        .report-sklad-controls select {
            width: 100%;
            padding: 10px 12px;
            border: 1px solid var(--border);
            border-radius: 8px;
            font-size: 14px;
            background: white;
        }

        .report-sklad-prediction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 12px;
            margin-top: 16px;
        }

        .report-sklad-prediction-card {
            background: var(--bg-light);
            border: 1px solid var(--border);
            border-radius: 8px;
            padding: 14px;
        }

        .report-sklad-prediction-label {
            font-size: 11px;
            font-weight: 600;
            color: var(--text-secondary);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .report-sklad-prediction-value {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
        }

        .report-sklad-prediction-value.is-warning {
            color: var(--danger);
        }

        .report-stock-status {
            display: inline-flex;
            align-items: center;
            padding: 4px 10px;
            border-radius: 999px;
            font-size: 11px;
            font-weight: 700;
            text-transform: uppercase;
        }

        .report-stock-status.is-ok {
            background: rgba(34, 197, 94, 0.15);
            color: #15803d;
        }

        .report-stock-status.is-low {
            background: rgba(234, 179, 8, 0.18);
            color: #a16207;
        }

        .report-sklad-category-row td {
            background: var(--bg-light);
            border-top: 2px solid var(--border);
            font-weight: 600;
        }

        .report-sklad-category-count {
            margin-left: 8px;
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .report-sklad-product-row .report-sklad-product-name {
            padding-left: 28px;
        }

        .report-stock-status.is-critical {
            background: rgba(239, 68, 68, 0.15);
            color: var(--danger);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1200px) {
            .pos-container {
                grid-template-columns: 1fr;
            }

            .product-category-group-grid {
                grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
            }
        }

        @media (max-width: 768px) {
            .header {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }

            .header h1,
            .header .app-header-datetime,
            .header > .btn {
                justify-self: center;
            }

            .header h1 {
                font-size: 20px;
            }

            .login-box-title {
                font-size: 24px;
                margin-bottom: 24px;
            }

            .login-box {
                padding: 30px 20px;
            }

            .avatar-grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 16px;
            }

            .avatar-grid-modal {
                gap: 8px;
            }

            .avatar-grid-modal .avatar-btn {
                flex-basis: calc((100% - 24px) / 4);
                width: calc((100% - 24px) / 4);
            }

            .pos-header {
                padding: 10px 12px;
                grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
                gap: 8px;
            }

            .pos-header-right {
                gap: 8px;
            }

            .pos-header-label {
                display: none;
            }

            .pos-header-spacer {
                display: none;
            }

            .pos-header h1 {
                font-size: 11px;
            }

            .pos-header-version {
                font-size: 9px;
            }

            .app-header-datetime {
                font-size: 13px;
            }

            .app-header-datetime-time {
                font-size: 16px;
            }

            .app-header-datetime-date {
                display: none;
            }

            .user-info {
                gap: 8px;
            }

            .pos-header .btn {
                padding: 8px;
                min-width: 40px;
                justify-content: center;
            }

            .pos-header .pos-header-icon {
                font-size: 20px;
            }

            .pos-container {
                padding: 16px;
                gap: 16px;
            }

            .admin-content {
                padding: 16px;
            }

            .report-overview {
                grid-template-columns: repeat(2, minmax(0, 1fr));
            }

            .report-cards {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 640px) {
            .report-overview {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 480px) {
            .pos-header {
                grid-template-columns: minmax(0, 1fr) auto;
                grid-template-areas:
                    "title actions"
                    "user user";
                row-gap: 6px;
            }

            .pos-header-left {
                grid-area: title;
            }

            .user-info {
                grid-area: user;
                justify-self: center;
            }

            .pos-header-right {
                grid-area: actions;
            }
        }

        /* ===== RESPONSIVE DESIGN FOR SMALL SCREENS ===== */
        @media (max-width: 1400px) {
            html, body {
                font-size: 15px;
            }

            .pos-container {
                grid-template-columns: 1fr 0.9fr 0.85fr;
                gap: 12px;
                padding: 12px;
            }

            .pos-header {
                padding: 16px 24px;
                gap: 12px;
            }

            .pos-header h1 {
                font-size: 20px;
            }

            .product-category-group-grid {
                grid-template-columns: repeat(auto-fill, minmax(90px, 1fr));
                gap: 10px;
            }

            .product-tile {
                padding: 10px 10px 26px;
                font-size: 11px;
            }

            .product-tile .product-name {
                font-size: 15px;
            }

            .product-tile .product-price {
                font-size: 13px;
                padding: 4px 8px;
            }

            .cart-header {
                font-size: 14px;
            }

            .quick-pay button {
                padding: 14px 12px;
                font-size: 22px;
                min-height: 56px;
            }

            .sell-btn {
                min-height: 60px;
                font-size: 16px;
                padding: 14px 20px;
            }

            .clear-cart-btn {
                font-size: 13px;
                padding: 12px 16px;
            }

            .search-bar input {
                font-size: 13px;
                padding: 10px 12px;
            }

            .search-bar button {
                font-size: 12px;
                padding: 10px 16px;
            }

            .category-tab {
                font-size: 12px;
                padding: 8px 12px;
            }

            .cart-item {
                grid-template-columns: minmax(0, 1fr) auto 9ch 36px;
                column-gap: 6px;
                font-size: 12px;
                padding: 10px;
            }

            .qty-control {
                grid-template-columns: 36px 32px 36px;
            }

            .qty-btn {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }

            .qty-display {
                width: 32px;
                min-width: 32px;
                max-width: 32px;
                font-size: 18px;
            }

            .qty-display-price {
                width: 9ch;
                min-width: 9ch;
                max-width: 9ch;
                font-size: 18px;
            }

            .cart-total {
                font-size: 13px;
                padding: 12px;
            }

            .cart-total-amount {
                font-size: 18px;
            }

            #cartTotal,
            .cart-footer-total {
                font-size: 32px;
            }

            #cartCount,
            .cart-footer-count {
                font-size: 32px;
            }

            .cart-footer {
                padding: 12px;
                gap: 8px;
                font-size: 14px;
            }

            .cart-footer-separator {
                font-size: 16px;
            }

            .cart-footer-label {
                font-size: 13px;
            }

            .payment-column-title {
                font-size: 14px;
                margin-bottom: 12px;
            }

            .payment-column-label {
                font-size: 11px;
                margin-bottom: 6px;
            }

            .change-display {
                padding: 12px;
                gap: 8px;
            }

            .change-label {
                font-size: 11px;
            }

            .change-amount {
                font-size: 20px;
            }

            .paid-label {
                font-size: 11px;
            }

            .paid-input {
                padding: 10px 12px;
                font-size: 14px;
            }
        }

        @media (max-width: 1024px) {
            html, body {
                font-size: 14px;
            }

            .pos-container {
                grid-template-columns: 1fr 0.85fr 0.8fr;
                gap: 10px;
                padding: 10px;
            }

            .pos-header {
                padding: 14px 20px;
                gap: 10px;
            }

            .pos-header h1 {
                font-size: 18px;
            }

            .user-name {
                font-size: 12px;
            }

            .pos-actions button {
                font-size: 12px;
                padding: 8px 12px;
            }

            .product-category-group-grid {
                grid-template-columns: repeat(auto-fill, minmax(75px, 1fr));
                gap: 8px;
            }

            .product-tile {
                padding: 8px 8px 24px;
                font-size: 10px;
            }

            .product-tile .product-name {
                font-size: 14px;
            }

            .product-tile .product-price {
                font-size: 12px;
                padding: 4px 7px;
            }

            .search-bar {
                gap: 8px;
            }

            .search-bar input {
                font-size: 12px;
                padding: 8px 10px;
            }

            .search-bar button {
                font-size: 11px;
                padding: 8px 12px;
            }

            .category-tabs {
                gap: 6px;
            }

            .category-tab {
                font-size: 11px;
                padding: 6px 10px;
            }

            .cart-header {
                font-size: 13px;
            }

            .cart-item {
                grid-template-columns: minmax(0, 1fr) auto 9ch 32px;
                column-gap: 6px;
                font-size: 11px;
                padding: 8px;
            }

            .qty-control {
                grid-template-columns: 32px 28px 32px;
            }

            .qty-btn {
                width: 32px;
                height: 32px;
                font-size: 12px;
            }

            .qty-display {
                width: 28px;
                min-width: 28px;
                max-width: 28px;
                font-size: 16px;
            }

            .qty-display-price {
                width: 9ch;
                min-width: 9ch;
                max-width: 9ch;
                font-size: 16px;
            }

            .cart-total {
                font-size: 12px;
                padding: 10px;
                gap: 6px;
            }

            .cart-total-amount {
                font-size: 16px;
            }

            #cartTotal,
            .cart-footer-total {
                font-size: 28px;
            }

            #cartCount,
            .cart-footer-count {
                font-size: 28px;
            }

            .cart-footer {
                padding: 10px;
                gap: 6px;
                font-size: 13px;
            }

            .cart-footer-separator {
                font-size: 14px;
            }

            .cart-footer-label {
                font-size: 11px;
            }

            .payment-column-title {
                font-size: 12px;
                margin-bottom: 10px;
            }

            .payment-column-label {
                font-size: 10px;
                margin-bottom: 5px;
            }

            .quick-pay {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
                margin-bottom: 12px;
            }

            .quick-pay button {
                padding: 12px 10px;
                font-size: 20px;
                min-height: 52px;
            }

            .paid-label {
                font-size: 10px;
                margin-bottom: 6px;
            }

            .paid-input {
                padding: 8px 10px;
                font-size: 13px;
                margin-bottom: 8px;
            }

            .change-display {
                padding: 10px;
                gap: 6px;
                margin-bottom: 8px;
            }

            .change-label {
                font-size: 10px;
            }

            .change-amount {
                font-size: 18px;
            }

            .sell-btn {
                min-height: 52px;
                font-size: 14px;
                padding: 12px 16px;
            }

            .clear-cart-btn {
                font-size: 12px;
                padding: 10px 12px;
            }
        }

        @media (max-width: 768px) {
            html, body {
                font-size: 13px;
            }

            .pos-container {
                grid-template-columns: 0.95fr 0.8fr 0.75fr;
                gap: 8px;
                padding: 8px;
            }

            .pos-header {
                padding: 10px 12px;
                grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
                gap: 8px;
            }

            .pos-header-right {
                gap: 8px;
            }

            .pos-header-label {
                display: none;
            }

            .pos-header-spacer {
                display: none;
            }

            .pos-header h1 {
                font-size: 11px;
                white-space: nowrap;
            }

            .user-info {
                gap: 8px;
            }

            .user-avatar-display {
                width: 22px;
                height: 22px;
            }

            .user-avatar-display .avatar-image-sm {
                width: 22px;
                height: 22px;
            }

            .pos-actions {
                gap: 6px;
            }

            .pos-header .btn {
                padding: 8px;
                min-width: 40px;
                justify-content: center;
                font-size: 0;
            }

            .pos-header .pos-header-icon {
                font-size: 20px;
            }

            .products-section {
                gap: 12px;
            }

            .product-category-group-grid {
                grid-template-columns: repeat(auto-fill, minmax(65px, 1fr));
                gap: 6px;
            }

            .product-tile {
                padding: 6px 6px 22px;
                font-size: 9px;
            }

            .product-tile .product-name {
                font-size: 13px;
            }

            .product-tile .product-price {
                font-size: 11px;
                padding: 3px 6px;
                border-radius: 8px 0 0 0;
            }

            .product-stock {
                font-size: 8px;
                padding: 3px 6px;
                border-radius: 0 6px 0 0;
            }

            .product-recommendations {
                min-height: 96px;
                padding-top: 8px;
            }

            .product-recommendations-title {
                font-size: 11px;
            }

            .product-recommendations-subtitle {
                font-size: 10px;
            }

            .product-recommendation-tile {
                flex-basis: 118px;
                padding: 8px 10px;
            }

            .product-recommendation-name {
                font-size: 11px;
            }

            .product-recommendation-price {
                font-size: 12px;
            }

            .product-recommendation-hint {
                font-size: 9px;
            }

                gap: 6px;
            }

            .search-bar input {
                font-size: 12px;
                padding: 8px 10px;
            }

            .search-bar button {
                font-size: 10px;
                padding: 8px 10px;
            }

            .category-tabs {
                gap: 4px;
            }

            .category-tab {
                font-size: 10px;
                padding: 5px 8px;
            }

            .cart-section {
                padding: 12px;
                gap: 10px;
            }

            .cart-header {
                font-size: 12px;
            }

            .cart-item {
                grid-template-columns: minmax(0, 1fr) auto 9ch 28px;
                column-gap: 4px;
                font-size: 10px;
                padding: 8px;
            }

            .cart-item-name {
                font-size: 10px;
            }

            .qty-control {
                grid-template-columns: 28px 24px 28px;
            }

            .qty-btn {
                width: 28px;
                height: 28px;
                font-size: 10px;
            }

            .qty-display {
                width: 24px;
                min-width: 24px;
                max-width: 24px;
                font-size: 14px;
            }

            .qty-display-price {
                width: 9ch;
                min-width: 9ch;
                max-width: 9ch;
                font-size: 14px;
            }

            .cart-total {
                font-size: 11px;
                padding: 8px;
                gap: 4px;
            }

            .cart-total-amount {
                font-size: 14px;
            }

            #cartTotal,
            .cart-footer-total {
                font-size: 20px;
            }

            #cartCount,
            .cart-footer-count {
                font-size: 20px;
            }

            .cart-footer {
                padding: 8px;
                gap: 4px;
                font-size: 11px;
            }

            .cart-footer-separator {
                font-size: 11px;
            }

            .cart-footer-label {
                font-size: 9px;
            }

            .payment-column-title {
                font-size: 10px;
                margin-bottom: 6px;
                letter-spacing: 0.5px;
            }

            .payment-column-label {
                font-size: 8px;
                margin-bottom: 4px;
                letter-spacing: 0.3px;
            }

            .payment-method-label {
                font-size: 10px;
                margin-bottom: 6px;
            }

            .payment-method-options {
                gap: 6px;
                margin-bottom: 10px;
            }

            .payment-column {
                padding: 12px;
            }

            .quick-pay {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
                margin-bottom: 10px;
            }

            .quick-pay button {
                padding: 12px 8px;
                font-size: 18px;
                min-height: 48px;
            }

            .paid-label {
                font-size: 9px;
                margin-bottom: 4px;
            }

            .paid-input {
                padding: 8px 10px;
                font-size: 12px;
                margin-bottom: 6px;
            }

            .change-display {
                padding: 8px;
                gap: 4px;
                margin-bottom: 6px;
            }

            .change-label {
                font-size: 9px;
            }

            .change-amount {
                font-size: 16px;
            }

            .sell-btn {
                min-height: 48px;
                font-size: 13px;
                padding: 10px 14px;
            }

            .clear-cart-btn {
                font-size: 11px;
                padding: 8px 10px;
            }
        }

        button,
        .btn {
            border-radius: 0;
        }