/* Toast Notifications */
.toast-container {
    position: fixed;
    bottom: 1.5rem;
    right: 1.5rem;
    z-index: 9999;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    max-width: 400px;
    pointer-events: none;
    margin-left: auto;
    left: auto !important;
    top: auto !important;
}

.toast {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    box-shadow: var(--shadow-lg);
    animation: slideInRight 0.3s ease;
    display: flex;
    align-items: flex-start;
    gap: var(--spacing-md);
    max-width: 400px;
    pointer-events: auto;
}

.toast.success {
    border-left: 4px solid var(--success-color);
}

.toast.error {
    border-left: 4px solid var(--danger-color);
}

.toast.warning {
    border-left: 4px solid var(--warning-color);
}

.toast.info {
    border-left: 4px solid var(--info-color);
}

.toast-icon {
    font-size: 1.25rem;
    flex-shrink: 0;
    min-width: 24px;
    text-align: center;
}

.toast-content {
    flex: 1;
}

.toast-title {
    font-weight: 600;
    margin-bottom: 2px;
}

.toast-message {
    font-size: 0.875rem;
    color: var(--text-secondary);
}

.toast-close {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1.25rem;
    padding: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-sm);
    flex-shrink: 0;
}

.toast-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

@keyframes slideInRight {
    from {
        transform: translateX(100%);
        opacity: 0;
    }
    to {
        transform: translateX(0);
        opacity: 1;
    }
}

/* Modals */
.modal-overlay {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: var(--z-modal);
    display: block;
    backdrop-filter: blur(4px);
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
}

.modal-overlay.active {
    opacity: 1;
    visibility: visible;
    animation: fadeIn 0.3s ease-in-out;
}

.modal {
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%) scale(0.9);
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-xl);
    z-index: calc(var(--z-modal) + 1);
    display: flex;
    flex-direction: column;
    width: auto;
    max-width: 90vw;
    max-height: 90vh;
    min-height: auto;
    overflow: hidden;
    opacity: 0;
    visibility: hidden;
    transition: all 0.3s ease-in-out;
    pointer-events: none;
}

.modal.active {
    transform: translate(-50%, -50%) scale(1);
    opacity: 1;
    visibility: visible;
    pointer-events: auto;
    animation: slideUp 0.3s ease-in-out;
}

@keyframes slideUp {
    from {
        transform: translate(-50%, -30%) scale(0.95);
        opacity: 0;
    }
    to {
        transform: translate(-50%, -50%) scale(1);
        opacity: 1;
    }
}

.modal.wide {
    width: 800px;
}

.modal-content {
    display: flex;
    flex-direction: column;
    flex: 1;
    height: 100%;
    min-height: 0;
}

.modal-header {
    padding: var(--spacing-lg);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-shrink: 0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-muted);
    cursor: pointer;
    width: 36px;
    height: 36px;
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-close:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.modal-body {
    flex: 1;
    padding: var(--spacing-lg);
    overflow-y: auto;
    overflow-x: hidden;
    min-height: 0;
}

.modal-footer {
    padding: var(--spacing-lg);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

/* Payment Modal */
.payment-total {
    text-align: center;
    margin-bottom: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
}

.payment-methods {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-xl);
}

.payment-method {
    padding: var(--spacing-lg);
    background: var(--bg-secondary);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    cursor: pointer;
    transition: all var(--transition-fast);
    font-weight: 600;
    color: var(--text-primary);
}

.payment-method:hover {
    border-color: var(--primary-color);
    background: var(--bg-tertiary);
    transform: translateY(-2px);
}

.payment-method.selected {
    border-color: var(--primary-color);
    background: rgba(37, 99, 235, 0.1);
}

.payment-method .icon {
    font-size: 2rem;
}

.payment-amount {
    margin-bottom: var(--spacing-xl);
}

.payment-amount input {
    width: 100%;
    padding: var(--spacing-md);
    border: 2px solid var(--border-color);
    border-radius: var(--radius-lg);
    font-size: 1.5rem;
    font-weight: 600;
    text-align: center;
    background: var(--bg-primary);
    color: var(--text-primary);
    margin-bottom: var(--spacing-md);
}

.payment-amount input:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

#changeAmount {
    text-align: center;
    font-size: 1.125rem;
    color: var(--success-color);
    font-weight: 600;
}

.payment-tip {
    margin-bottom: var(--spacing-xl);
}

.payment-tip label {
    display: block;
    margin-bottom: var(--spacing-md);
    font-weight: 600;
}

.tip-options {
    display: flex;
    gap: var(--spacing-md);
}

.tip-option {
    flex: 1;
    padding: var(--spacing-md);
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    cursor: pointer;
    text-align: center;
    font-weight: 600;
    transition: all var(--transition-fast);
}

.tip-option:hover {
    background: var(--bg-tertiary);
    border-color: var(--border-dark);
}

.tip-option.selected {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

#customTip {
    flex: 1;
}

/* Settings Modal */
.settings-tabs {
    display: flex;
    gap: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    margin-bottom: var(--spacing-xl);
    padding-bottom: var(--spacing-md);
    overflow-x: auto;
}

.settings-tab {
    padding: var(--spacing-sm) var(--spacing-md);
    background: none;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    border-radius: var(--radius-md);
    white-space: nowrap;
    transition: all var(--transition-fast);
    font-weight: 600;
}

.settings-tab:hover {
    background: var(--bg-tertiary);
    color: var(--text-primary);
}

.settings-tab.active {
    background: var(--primary-color);
    color: white;
}

.settings-panel {
    display: none;
}

.settings-panel.active {
    display: block;
    animation: fadeIn var(--transition-base);
}

.feature-flags-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: var(--spacing-md);
    max-height: 400px;
    overflow-y: auto;
    padding: var(--spacing-sm);
}

.feature-flag {
    background: var(--bg-primary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    transition: all var(--transition-fast);
}

.feature-flag:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.feature-flag-info {
    flex: 1;
}

.feature-flag-name {
    font-weight: 600;
    margin-bottom: 2px;
}

.feature-flag-desc {
    font-size: 0.875rem;
    color: var(--text-muted);
    line-height: 1.4;
}

.feature-toggle {
    position: relative;
    width: 50px;
    height: 26px;
    flex-shrink: 0;
}

.feature-toggle input {
    opacity: 0;
    width: 0;
    height: 0;
}

.feature-toggle-slider {
    position: absolute;
    cursor: pointer;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: var(--bg-tertiary);
    transition: var(--transition-base);
    border-radius: var(--radius-full);
}

.feature-toggle-slider:before {
    position: absolute;
    content: "";
    height: 18px;
    width: 18px;
    left: 4px;
    bottom: 4px;
    background: white;
    transition: var(--transition-base);
    border-radius: 50%;
}

input:checked + .feature-toggle-slider {
    background: var(--success-color);
}

input:checked + .feature-toggle-slider:before {
    transform: translateX(24px);
}

/* Offline Queue */
.offline-queue {
    position: fixed;
    bottom: var(--spacing-lg);
    left: var(--spacing-lg);
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 300px;
    max-height: 400px;
    display: none;
    flex-direction: column;
    z-index: var(--z-sticky);
}

.offline-queue.active {
    display: flex;
}

.offline-header {
    padding: var(--spacing-md);
    background: var(--warning-color);
    color: white;
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    font-weight: 600;
    border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}

.queue-count {
    background: white;
    color: var(--warning-color);
    width: 24px;
    height: 24px;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.75rem;
    font-weight: 700;
    margin-left: auto;
}

.queue-items {
    flex: 1;
    overflow-y: auto;
    padding: var(--spacing-md);
}

.queue-item {
    padding: var(--spacing-sm);
    border-bottom: 1px solid var(--border-color);
    font-size: 0.875rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.queue-item:last-child {
    border-bottom: none;
}

.queue-status {
    font-size: 0.75rem;
    padding: 2px 6px;
    border-radius: var(--radius-full);
    background: var(--bg-tertiary);
    color: var(--text-muted);
    white-space: nowrap;
}

.queue-status.pending {
    background: #fef3c7;
    color: #92400e;
}

.queue-status.failed {
    background: #fee2e2;
    color: #991b1b;
}

.queue-status.success {
    background: #d1fae5;
    color: #065f46;
}

/* Tables */
.data-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.data-table thead {
    background: var(--bg-secondary);
    border-bottom: 1px solid var(--border-color);
}

.data-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
}

.data-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.data-table tbody tr:hover {
    background: var(--bg-tertiary);
}

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

/* Forms */
.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    margin-bottom: var(--spacing-sm);
    font-weight: 600;
    color: var(--text-primary);
}

.form-group.inline {
    display: flex;
    gap: var(--spacing-lg);
}

.form-group.inline label {
    display: none;
}

.form-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
}

/* Cards */
.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-sm);
}

.card.interactive {
    cursor: pointer;
    transition: all var(--transition-fast);
}

.card.interactive:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
    transform: translateY(-2px);
}

.card-header {
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.card-title {
    font-size: 1.125rem;
    font-weight: 600;
}

.card-body {
    margin-bottom: var(--spacing-md);
}

.card-footer {
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: var(--spacing-md);
}

/* Grid Layouts */
.grid-2 {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.grid-3 {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
}

.grid-4 {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-lg);
}

/* Statistics Cards */
.stat-card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
}

.stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: var(--spacing-sm);
}

.stat-label {
    font-size: 0.875rem;
    color: var(--text-muted);
}

.stat-change {
    font-size: 0.875rem;
    margin-top: var(--spacing-sm);
    font-weight: 600;
}

.stat-change.positive {
    color: var(--success-color);
}

.stat-change.negative {
    color: var(--danger-color);
}

/* Badges */
.badge {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    padding: 2px 8px;
    background: var(--bg-secondary);
    border-radius: var(--radius-full);
    font-size: 0.75rem;
    font-weight: 600;
    white-space: nowrap;
}

.badge.primary {
    background: rgba(37, 99, 235, 0.1);
    color: var(--primary-color);
}

.badge.success {
    background: rgba(16, 185, 129, 0.1);
    color: var(--success-color);
}

.badge.danger {
    background: rgba(239, 68, 68, 0.1);
    color: var(--danger-color);
}

.badge.warning {
    background: rgba(245, 158, 11, 0.1);
    color: var(--warning-color);
}

/* Loading States */
.skeleton {
    background: linear-gradient(90deg, var(--bg-secondary), var(--bg-tertiary), var(--bg-secondary));
    background-size: 200% 100%;
    animation: loading 1.5s infinite;
}

@keyframes loading {
    0% { background-position: 200% 0; }
    100% { background-position: -200% 0; }
}

/* Product Management */
.product-form-container {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: 100%;
}

.product-form {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    width: 100%;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-md);
    flex-shrink: 0;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
    flex-shrink: 0;
}

.form-group label {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.form-group input,
.form-group select,
.form-group textarea {
    padding: var(--spacing-md);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    font-family: inherit;
    font-size: 0.95rem;
    background: var(--bg-input);
    color: var(--text-primary);
    transition: all 0.2s ease;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.form-group.checkbox {
    flex-direction: row;
    align-items: center;
    gap: var(--spacing-md);
}

.form-group.checkbox input {
    width: 20px;
    height: 20px;
    cursor: pointer;
}

/* Barcode Control */
.barcode-control {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.barcode-control button {
    flex-shrink: 0;
    white-space: nowrap;
}

.barcode-control input {
    flex: 1;
    font-family: 'Courier New', monospace;
    letter-spacing: 1px;
}

.barcode-preview {
    border: 2px dashed var(--border-color);
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    min-height: 150px;
    background: var(--bg-secondary);
    flex-shrink: 0;
}

.barcode-preview svg {
    max-width: 100%;
    height: auto;
    flex-shrink: 0;
}

.barcode-preview p {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin: 0;
    flex-shrink: 0;
}

.barcode-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--border-color);
}

.barcode-actions .btn {
    min-width: 120px;
    font-size: 0.9rem;
}

/* Products Table */
.products-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

.products-table thead {
    background: var(--bg-secondary);
}

.products-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.products-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.products-table tbody tr:hover {
    background: var(--bg-secondary);
}

.stock-badge {
    display: inline-block;
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-sm);
    background: var(--success-color);
    color: white;
    font-size: 0.85rem;
    font-weight: 600;
}

.stock-badge.low {
    background: var(--warning-color);
}

/* Categories Table */
.categories-table {
    width: 100%;
    border-collapse: collapse;
    margin-top: var(--spacing-md);
}

.categories-table thead {
    background: var(--bg-secondary);
}

.categories-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    color: var(--text-secondary);
    border-bottom: 2px solid var(--border-color);
}

.categories-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.categories-table tbody tr:hover {
    background: var(--bg-secondary);
}

.btn-sm {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.85rem;
    border-radius: var(--radius-sm);
}

.empty-state {
    text-align: center;
    padding: var(--spacing-lg);
    color: var(--text-secondary);
    font-style: italic;
}

.btn-small {
    padding: var(--spacing-xs) var(--spacing-md);
    font-size: 0.85rem;
    border: none;
    border-radius: var(--radius-sm);
    background: var(--primary-color);
    color: white;
    cursor: pointer;
    transition: all 0.2s ease;
    margin-right: var(--spacing-xs);
}

.btn-small:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-small.delete-product {
    background: var(--danger-color);
}

/* Scanner */
.scanner-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.scanner-video {
    width: 100%;
    height: 300px;
    background: var(--bg-secondary);
    border-radius: var(--radius-md);
    overflow: hidden;
}

.scanner-video video {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scanner-controls {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
}

.scanner-result {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.scanner-result input {
    padding: var(--spacing-md);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-family: 'Courier New', monospace;
    font-size: 1.1rem;
    letter-spacing: 2px;
    text-align: center;
}

.scanner-result p {
    text-align: center;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: var(--spacing-xl);
    color: var(--text-secondary);
}

.empty-state p {
    font-size: 1.1rem;
    margin: 0;
}

/* POS Barcode Scanner */
.pos-scanner {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    padding: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
    border-radius: var(--radius-md);
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.2);
}

#posScannerContainer {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.barcode-input {
    padding: var(--spacing-md) var(--spacing-lg);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--radius-md);
    background: rgba(255, 255, 255, 0.95);
    font-size: 1rem;
    color: var(--text-primary);
    outline: none;
    transition: all 0.3s ease;
    font-weight: 500;
    letter-spacing: 0.5px;
}

.barcode-input:focus {
    border-color: white;
    background: white;
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.2);
    transform: scale(1.02);
}

.barcode-input::placeholder {
    color: rgba(0, 0, 0, 0.4);
}

.scan-hint {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
    display: block;
    text-align: center;
    margin-top: 4px;
}

/* Barcode Info Display */
.barcode-info {
    background: white;
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    border-left: 4px solid var(--color-primary);
    margin-top: var(--spacing-md);
}

.barcode-info p {
    margin: 4px 0;
    font-size: 0.9rem;
}

/* Dashboard Styles */
.kpi-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.kpi-card {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    display: flex;
    gap: var(--spacing-md);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    transition: transform 0.2s, box-shadow 0.2s;
}

.kpi-card:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.kpi-icon {
    font-size: 2.5rem;
    display: flex;
    align-items: center;
}

.kpi-content {
    flex: 1;
}

.kpi-content h4 {
    margin: 0 0 8px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.kpi-value {
    margin: 0;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-primary);
}

.kpi-card small {
    color: #4CAF50;
    font-size: 0.85rem;
}

/* Charts Grid */
.charts-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.chart-container {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.chart-container h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.chart {
    height: 300px;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
}

/* Dashboard Tables */
.dashboard-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    border-radius: var(--radius-md);
    overflow: hidden;
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
}

.dashboard-table thead {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.dashboard-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.dashboard-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.dashboard-table tbody tr:hover {
    background: var(--bg-secondary);
}

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

.profit-positive {
    color: #4CAF50;
    font-weight: 600;
}

.profit-negative {
    color: #f44336;
    font-weight: 600;
}

/* Top Products Section */
.top-products-section,
.category-performance {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    margin-bottom: var(--spacing-lg);
    border: 1px solid var(--border-color);
}

.top-products-section h3,
.category-performance h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

/* Summary Stats */
.summary-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-xl);
}

.stat-box {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
    border-top: 3px solid var(--color-primary);
}

.stat-box h4 {
    margin: 0 0 12px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.stat-box p {
    margin: 0;
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-primary);
}

/* Reports Container */
.reports-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xl);
}

.report-section {
    background: white;
    border-radius: var(--radius-md);
    padding: var(--spacing-lg);
    box-shadow: var(--shadow-md);
    border: 1px solid var(--border-color);
}

.report-section h3 {
    margin-top: 0;
    margin-bottom: var(--spacing-md);
    color: var(--text-primary);
}

.report-table {
    width: 100%;
    border-collapse: collapse;
}

.report-table thead {
    background: var(--bg-secondary);
    color: var(--text-primary);
}

.report-table th {
    padding: var(--spacing-md);
    text-align: left;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
}

.report-table td {
    padding: var(--spacing-md);
    border-bottom: 1px solid var(--border-color);
}

.report-table tbody tr:hover {
    background: var(--bg-secondary);
}

.report-table tbody tr:last-child td {
    border-bottom: none;
}
.barcode-info strong {
    color: var(--color-primary);
}

/* Profit Display Fields */
.profit-display {
    background: #f0f9ff;
    border: 2px solid #e0f2fe;
    color: #0369a1;
    font-weight: 600;
}

.profit-display:focus {
    border-color: #0284c7;
    background: #ffffff;
}

/* Profit Positive (Green) */
.profit-positive {
    background: #f0fdf4;
    border-color: #86efac;
    color: #15803d;
}

/* Profit Negative (Red) */
.profit-negative {
    background: #fef2f2;
    border-color: #fca5a5;
    color: #b91c1c;
}

/* Dashboard Profit Section */
.profit-dashboard {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    margin: var(--spacing-lg) 0;
}

.profit-card {
    background: white;
    padding: var(--spacing-lg);
    border-radius: var(--radius-md);
    border-left: 5px solid var(--color-primary);
    box-shadow: var(--shadow-sm);
}

.profit-card h4 {
    margin: 0 0 var(--spacing-sm) 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.profit-card .value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--color-primary);
    margin: var(--spacing-sm) 0;
}

.profit-card .subtext {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

.profit-card.positive {
    border-left-color: #10b981;
}

.profit-card.positive .value {
    color: #10b981;
}

.profit-card.negative {
    border-left-color: #ef4444;
}

.profit-card.negative .value {
    color: #ef4444;
}

.profit-card.warning {
    border-left-color: #f59e0b;
}

.profit-card.warning .value {
    color: #f59e0b;
}

/* Products Table with Profit */
.products-table tbody tr {
    border-bottom: 1px solid var(--border-color);
    transition: background-color 0.2s;
}

.products-table tbody tr:hover {
    background-color: #f9fafb;
}

.profit-column {
    font-weight: 600;
    color: #10b981;
}

.profit-column.negative {
    color: #ef4444;
}

.profit-percentage {
    font-size: 0.85rem;
    color: var(--text-secondary);
}

/* Invoice & Barcode System */
.invoice-container {
    display: flex;
    flex-direction: column;
    height: 100%;
    background: var(--bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
}

.invoice-header-bar {
    padding: var(--spacing-lg);
    background: var(--bg-card);
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

.barcode-controls {
    display: flex;
    gap: var(--spacing-md);
    flex-wrap: wrap;
}

#barcodeInput {
    flex: 1;
    min-width: 200px;
    padding: var(--spacing-md);
    border: 2px solid var(--primary-color);
    border-radius: var(--radius-md);
    font-size: 1rem;
    background: var(--bg-input);
    color: var(--text-primary);
}

#barcodeInput:focus {
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.invoice-panel {
    display: flex;
    flex-direction: column;
    flex: 1;
    overflow: hidden;
    gap: var(--spacing-md);
    padding: var(--spacing-lg);
}

.invoice-body {
    flex: 1;
    overflow-y: auto;
    background: var(--bg-card);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
}

.invoice-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 2px solid var(--border-color);
}

.invoice-id {
    font-weight: 700;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.invoice-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.invoice-items {
    margin-bottom: var(--spacing-lg);
}

.invoice-items-header {
    display: grid;
    grid-template-columns: 60px 1fr 100px 100px 100px;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-tertiary);
    border-radius: var(--radius-md);
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.invoice-items-body {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    margin-top: var(--spacing-md);
}

.invoice-item {
    display: grid;
    grid-template-columns: 60px 1fr 100px 100px 100px;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--bg-input);
    border-radius: var(--radius-md);
    align-items: center;
    border-left: 4px solid var(--primary-color);
}

.col-qty {
    text-align: center;
    font-weight: 600;
}

.col-name {
    font-weight: 500;
    color: var(--text-primary);
}

.col-price,
.col-total {
    text-align: right;
    font-weight: 500;
    color: var(--success-color);
}

.col-action {
    display: flex;
    gap: var(--spacing-xs);
    justify-content: flex-end;
}

.item-btn-plus,
.item-btn-minus,
.item-btn-remove {
    padding: 6px 10px;
    border: 1px solid var(--border-color);
    background: var(--bg-tertiary);
    color: var(--text-primary);
    border-radius: var(--radius-sm);
    cursor: pointer;
    font-size: 0.9rem;
    transition: all 0.2s ease;
}

.item-btn-plus:hover {
    background: var(--success-color);
    color: white;
}

.item-btn-minus:hover {
    background: var(--warning-color);
    color: white;
}

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

.invoice-totals {
    background: var(--bg-tertiary);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    margin-top: auto;
}

.total-row {
    display: flex;
    justify-content: space-between;
    padding: var(--spacing-xs) 0;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.total-row:last-child {
    border-bottom: none;
}

.grand-total {
    font-weight: 700;
    font-size: 1.2rem;
    color: var(--text-primary);
    padding: var(--spacing-md) 0;
    border-top: 2px solid var(--border-color);
    margin-top: var(--spacing-md);
}

.invoice-actions {
    display: flex;
    gap: var(--spacing-md);
    justify-content: flex-end;
    padding: var(--spacing-md);
    background: var(--bg-card);
    border-radius: var(--radius-md);
}

.invoice-actions .btn {
    min-width: 120px;
}

/* Responsive Invoice */
@media (max-width: 768px) {
    .invoice-items-header,
    .invoice-item {
        grid-template-columns: 50px 1fr 80px;
    }

    .col-price,
    .col-action {
        display: none;
    }

    .col-total {
        grid-column: 3;
    }

    .invoice-header-bar {
        flex-direction: column;
        align-items: stretch;
    }

    .barcode-controls {
        flex-direction: column;
    }

    #barcodeInput {
        min-width: unset;
    }
}

/* Invoice System Styles */
.invoice-not-started {
    text-align: center;
    padding: 60px 20px;
    color: var(--text-secondary);
    font-size: 1.1rem;
}

.invoice-form {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.invoice-header-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    background: var(--bg-card);
    padding: 15px;
    border-radius: 8px;
    border: 1px solid var(--border-color);
}

.invoice-header-section .form-group {
    margin: 0;
}

.invoice-header-section label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    font-size: 0.9rem;
}

.invoice-header-section input {
    width: 100%;
    padding: 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
}

.invoice-scanner {
    margin-bottom: 10px;
}

.invoice-scanner input {
    width: 100%;
    padding: 10px;
    font-size: 1rem;
    border: 2px solid var(--primary-color);
    border-radius: 4px;
}

.invoice-items-table {
    width: 100%;
    border-collapse: collapse;
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    margin: 10px 0;
}

.invoice-items-table thead {
    background: var(--bg-secondary);
    border-bottom: 2px solid var(--border-color);
}

.invoice-items-table th {
    padding: 12px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-right: 1px solid var(--border-color);
}

.invoice-items-table th:last-child {
    border-right: none;
}

.invoice-items-table td {
    padding: 10px 12px;
    border-bottom: 1px solid var(--border-color);
    border-right: 1px solid var(--border-color);
}

.invoice-items-table td:last-child {
    border-right: none;
}

.invoice-items-table tbody tr:hover {
    background: var(--bg-hover);
}

.qty-input {
    width: 60px;
    padding: 5px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: center;
    font-size: 0.9rem;
}

.btn-small {
    padding: 4px 8px;
    font-size: 0.8rem;
    background: var(--danger-color);
    color: white;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    transition: background 0.2s;
}

.btn-small:hover {
    background: var(--danger-color-dark);
}

.invoice-summary {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 15px;
    margin: 10px 0;
}

.summary-row {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 10px 0;
    border-bottom: 1px dotted var(--border-color);
    font-size: 0.95rem;
}

.summary-row:last-child {
    border-bottom: none;
}

.summary-row.highlight {
    font-weight: bold;
    font-size: 1.05rem;
    color: var(--primary-color);
    border: none;
    padding: 12px 0;
}

.summary-row label {
    margin: 0;
    font-weight: 500;
}

.summary-input {
    width: 120px;
    padding: 6px 8px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    text-align: right;
    font-size: 0.9rem;
}

.invoice-actions {
    display: flex;
    gap: 10px;
    justify-content: flex-end;
    margin-top: 15px;
}

.invoice-actions button {
    padding: 10px 20px;
    font-size: 0.95rem;
}

/* Settings Styles */
.settings-container {
    max-width: 700px;
    padding: 20px 0;
}

.settings-section {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
}

.settings-section h3 {
    margin: 0 0 8px 0;
    font-size: 1.1rem;
    color: var(--text-primary);
}

.section-description {
    margin: 0 0 15px 0;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.settings-form {
    display: flex;
    flex-direction: column;
    gap: 15px;
}

.settings-form .form-group {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.settings-form label {
    font-weight: 500;
    color: var(--text-primary);
}

.settings-form input[type="text"],
.settings-form input[type="tel"],
.settings-form textarea {
    padding: 10px;
    border: 1px solid var(--border-color);
    border-radius: 4px;
    font-size: 0.95rem;
    font-family: inherit;
}

.settings-form textarea {
    resize: vertical;
    min-height: 80px;
}

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

.radio-label {
    display: flex;
    align-items: center;
    gap: 8px;
    cursor: pointer;
    font-size: 0.95rem;
}

.radio-label input[type="radio"] {
    cursor: pointer;
}

.radio-label span {
    color: var(--text-primary);
}

.settings-message {
    padding: 10px;
    border-radius: 4px;
    margin-top: 10px;
    font-size: 0.9rem;
}

.settings-message.success {
    background: var(--success-color-light);
    color: var(--success-color);
    border: 1px solid var(--success-color);
}

.settings-message.error {
    background: var(--danger-color-light);
    color: var(--danger-color);
    border: 1px solid var(--danger-color);
}

@media (max-width: 768px) {
    .invoice-header-section {
        grid-template-columns: 1fr;
    }

    .invoice-items-table {
        font-size: 0.85rem;
    }

    .invoice-items-table th,
    .invoice-items-table td {
        padding: 8px;
    }

    .summary-input {
        width: 100px;
    }

    .settings-container {
        padding: 0;
    }

    .settings-section {
        margin-bottom: 15px;
    }
}

/* Product Scanner Section */
.product-scanner-section {
    background: linear-gradient(135deg, var(--primary-color), var(--primary-color-dark));
    border-radius: 8px;
    padding: 20px;
    margin-bottom: 20px;
    color: white;
}

.scanner-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.scanner-header h3 {
    margin: 0;
    color: white;
    font-size: 1.1rem;
}

.btn-close {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: none;
    border-radius: 4px;
    width: 30px;
    height: 30px;
    font-size: 1.2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background 0.2s;
}

.btn-close:hover {
    background: rgba(255, 255, 255, 0.3);
}

.scanner-input-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.scanner-input-group input {
    padding: 12px;
    border: none;
    border-radius: 4px;
    font-size: 1rem;
    background: white;
    color: var(--text-primary);
}

.scanner-input-group input:focus {
    outline: 2px solid white;
}

.scanner-input-group small {
    color: rgba(255, 255, 255, 0.9);
    font-size: 0.85rem;
}

/* Quick Stock Dialog */
.modal-footer {
    display: flex;
    gap: 10px;
    margin-top: 15px;
    padding-top: 15px;
    border-top: 1px solid var(--border-color);
}

.modal-footer button {
    flex: 1;
    padding: 10px;
}