@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700&display=swap');

 /* CSS Variables for Premium Dark Blue and White Design System */
 :root {
     --bg-main: #f8fafc;
     --bg-card: #ffffff;
     --bg-sidebar: #0f172a;
     /* Slate 900 - Deep Navy/Dark Blue */
     --bg-sidebar-hover: #1e293b;
     /* Slate 800 */
     --text-main: #0f172a;
     /* Slate 900 */
     --text-muted: #64748b;
     /* Slate 500 */
     --text-light: #f8fafc;
     --primary: #2563eb;
     /* Blue 600 - Vivid Blue Accent */
     --primary-hover: #1d4ed8;
     --border-color: #e2e8f0;
     /* Slate 200 */
     --border-focus: #3b82f6;
     /* Blue 500 */
     --success: #10b981;
     /* Emerald 500 */
     --warning: #f59e0b;
     /* Amber 500 */
     --danger: #ef4444;
     /* Red 500 */

     --shadow-soft: 0 4px 20px -2px rgba(0, 0, 0, 0.05), 0 2px 8px -1px rgba(0, 0, 0, 0.03), 0 0 0 1px rgba(0, 0, 0, 0.04);
     --shadow-hover: 0 10px 30px -5px rgba(0, 0, 0, 0.08), 0 4px 12px -2px rgba(0, 0, 0, 0.04), 0 0 0 1px rgba(0, 0, 0, 0.04);
     --shadow-card: 0 1px 3px 0 rgba(0, 0, 0, 0.1), 0 1px 2px -1px rgba(0, 0, 0, 0.1);

     --radius-sm: 6px;
     --radius-md: 12px;
     --radius-lg: 16px;

     --font-sans: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
     --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
 }

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

 body {
     font-family: var(--font-sans);
     background-color: var(--bg-main);
     color: var(--text-main);
     min-height: 100vh;
     display: flex;
     overflow-x: hidden;
 }

 /* Split-Screen Layout (Sidebar + Main Content Area) */
 .app-container {
     display: flex;
     width: 100vw;
     min-height: 100vh;
 }

 /* Sidebar navigation */
 .sidebar {
     width: 260px;
     background-color: var(--bg-sidebar);
     color: var(--text-light);
     display: flex;
     flex-direction: column;
     flex-shrink: 0;
     transition: var(--transition);
     border-right: 1px solid rgba(255, 255, 255, 0.05);
     z-index: 100;
 }

 .sidebar-brand {
     padding: 24px;
     display: flex;
     align-items: center;
     gap: 12px;
     border-bottom: 1px solid rgba(255, 255, 255, 0.05);
 }

 .sidebar-logo {
     width: 32px;
     height: 32px;
     background-color: var(--primary);
     border-radius: var(--radius-sm);
     display: flex;
     align-items: center;
     justify-content: center;
     font-weight: 700;
     font-size: 1.2rem;
     color: white;
 }

 .brand-name {
     font-size: 1.15rem;
     font-weight: 600;
     letter-spacing: 0.5px;
 }

 .sidebar-menu {
     list-style: none;
     padding: 24px 16px;
     display: flex;
     flex-direction: column;
     gap: 8px;
     flex-grow: 1;
 }

 .menu-item a {
     display: flex;
     align-items: center;
     gap: 12px;
     padding: 12px 16px;
     color: rgba(255, 255, 255, 0.6);
     text-decoration: none;
     border-radius: var(--radius-md);
     font-weight: 500;
     font-size: 0.95rem;
     transition: var(--transition);
 }

 .menu-item a:hover,
 .menu-item.active a {
     color: var(--text-light);
     background-color: var(--bg-sidebar-hover);
 }

 .menu-item.active a {
     border-left: 3px solid var(--primary);
     border-top-left-radius: 0;
     border-bottom-left-radius: 0;
     padding-left: 13px;
 }

 .sidebar-user {
     padding: 20px;
     border-top: 1px solid rgba(255, 255, 255, 0.05);
     display: flex;
     align-items: center;
     justify-content: space-between;
 }

 .user-info {
     display: flex;
     flex-direction: column;
 }

 .user-name {
     font-weight: 500;
     font-size: 0.9rem;
 }

 .user-role {
     font-size: 0.75rem;
     color: var(--text-muted);
     text-transform: capitalize;
 }

 .btn-logout {
     color: rgba(255, 255, 255, 0.5);
     background: transparent;
     border: none;
     cursor: pointer;
     padding: 6px;
     border-radius: 50%;
     transition: var(--transition);
 }

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

 /* Main Content Area */
 .main-content {
     flex-grow: 1;
     display: flex;
     flex-direction: column;
     min-width: 0;
     height: 100vh;
     overflow-y: auto;
 }

 /* Top bar with Search and Title */
 .top-bar {
     background-color: var(--bg-card);
     height: 70px;
     border-bottom: 1px solid var(--border-color);
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 0 32px;
     flex-shrink: 0;
 }

 .page-title {
     font-size: 1.25rem;
     font-weight: 600;
 }

 .search-container {
     position: relative;
     width: 320px;
 }

 .search-input {
     width: 100%;
     padding: 10px 16px 10px 40px;
     border: 1px solid var(--border-color);
     border-radius: var(--radius-md);
     font-size: 0.9rem;
     outline: none;
     transition: var(--transition);
 }

 .search-input:focus {
     border-color: var(--border-focus);
     box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
 }

 .search-icon {
     position: absolute;
     left: 14px;
     top: 50%;
     transform: translateY(-50%);
     color: var(--text-muted);
     pointer-events: none;
 }

 /* Content Container styling */
 .content-wrapper {
     padding: 32px;
     flex-grow: 1;
 }

 /* Dashboard Analytics Grid */
 .dashboard-grid {
     display: grid;
     grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
     gap: 24px;
     margin-bottom: 32px;
 }

 /* Rounded, Shadow-Softened Cards */
 .card {
     background-color: var(--bg-card);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-soft);
     padding: 24px;
     display: flex;
     flex-direction: column;
     position: relative;
     transition: var(--transition);
 }

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

 /* Analytics Widget Card */
 .widget-card {
     display: flex;
     flex-direction: row;
     align-items: center;
     justify-content: space-between;
 }

 .widget-info {
     display: flex;
     flex-direction: column;
     gap: 6px;
 }

 .widget-label {
     font-size: 0.85rem;
     font-weight: 500;
     color: var(--text-muted);
     text-transform: uppercase;
     letter-spacing: 0.5px;
 }

 .widget-val {
     font-size: 2rem;
     font-weight: 700;
     line-height: 1;
 }

 .widget-icon {
     width: 48px;
     height: 48px;
     border-radius: var(--radius-md);
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 1.5rem;
 }

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

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

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

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

 /* Card-Based Grids (e.g. Products List) */
 .product-grid {
     display: grid;
     grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
     gap: 24px;
 }

 .product-card {
     background-color: var(--bg-card);
     border-radius: var(--radius-lg);
     box-shadow: var(--shadow-soft);
     border: 1px solid var(--border-color);
     overflow: hidden;
     display: flex;
     flex-direction: column;
     transition: var(--transition);
 }

 .product-card:hover {
     box-shadow: var(--shadow-hover);
     transform: translateY(-4px);
 }

 .product-img-wrapper {
     height: 200px;
     width: 100%;
     background-color: #f1f5f9;
     position: relative;
     overflow: hidden;
     display: flex;
     align-items: center;
     justify-content: center;
 }

 .product-img {
     max-height: 100%;
     max-width: 100%;
     object-fit: contain;
     transition: var(--transition);
 }

 .product-card:hover .product-img {
     transform: scale(1.05);
 }

 .product-badge {
     position: absolute;
     top: 12px;
     right: 12px;
     padding: 6px 10px;
     border-radius: 50px;
     font-size: 0.75rem;
     font-weight: 600;
 }

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

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

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

 .product-details {
     padding: 20px;
     display: flex;
     flex-direction: column;
     gap: 8px;
     flex-grow: 1;
 }

 .product-category {
     font-size: 0.75rem;
     color: var(--text-muted);
     text-transform: uppercase;
     font-weight: 600;
 }

 .product-name {
     font-size: 0.95rem;
     font-weight: 600;
     line-height: 1.4;
     height: 40px;
     overflow: hidden;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
 }

 .product-sku {
     font-size: 0.8rem;
     font-family: monospace;
     background-color: #f1f5f9;
     padding: 2px 6px;
     border-radius: var(--radius-sm);
     width: max-content;
 }

 .price-grid {
     display: grid;
     grid-template-columns: repeat(2, 1fr);
     gap: 8px;
     margin-top: 8px;
     border-top: 1px solid var(--border-color);
     padding-top: 12px;
 }

 .price-item {
     display: flex;
     flex-direction: column;
     gap: 2px;
 }

 .price-lbl {
     font-size: 0.7rem;
     color: var(--text-muted);
     font-weight: 500;
 }

 .price-val {
     font-size: 0.85rem;
     font-weight: 700;
 }

 .product-card-footer {
     padding: 16px 20px;
     border-top: 1px solid var(--border-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
     background-color: #fafbfc;
 }

 .stock-qty {
     font-weight: 600;
     font-size: 0.9rem;
 }

 /* Double-column section layouts (Stripe-style dashboard contents) */
 .section-split {
     display: grid;
     grid-template-columns: 2fr 1fr;
     gap: 32px;
     margin-top: 32px;
 }

 /* Tables style */
 .table-card {
     padding: 0;
     overflow: hidden;
 }

 .table-header-bar {
     padding: 20px 24px;
     display: flex;
     justify-content: space-between;
     align-items: center;
     border-bottom: 1px solid var(--border-color);
 }

 .table-responsive {
     overflow-x: auto;
     width: 100%;
 }

 .table-custom {
     width: 100%;
     border-collapse: collapse;
     text-align: left;
 }

 .table-custom th {
     background-color: #fafbfc;
     padding: 14px 24px;
     font-size: 0.8rem;
     font-weight: 600;
     color: var(--text-muted);
     text-transform: uppercase;
     letter-spacing: 0.5px;
     border-bottom: 1px solid var(--border-color);
 }

 .table-custom td {
     padding: 16px 24px;
     font-size: 0.9rem;
     border-bottom: 1px solid var(--border-color);
     vertical-align: middle;
 }

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

 .table-custom tr:hover td {
     background-color: #fafbfc;
 }

 /* Minimalist Forms (Progressive Disclosure / Neat Alignment) */
 .form-card {
     max-width: 500px;
     margin: 40px auto;
 }

 .form-group {
     margin-bottom: 20px;
     display: flex;
     flex-direction: column;
     gap: 6px;
 }

 .form-label {
     font-size: 0.85rem;
     font-weight: 500;
     color: var(--text-main);
 }

 .form-control {
     width: 100%;
     padding: 12px 16px;
     border: 1px solid var(--border-color);
     border-radius: var(--radius-md);
     font-size: 0.95rem;
     outline: none;
     transition: var(--transition);
 }

 .form-control:focus {
     border-color: var(--border-focus);
     box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15);
 }

 .form-row {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 16px;
 }

 /* Helper flex utilities */
 .flex-between {
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .flex-align-center {
     display: flex;
     align-items: center;
     gap: 8px;
 }

 .gap-10 {
     gap: 10px;
 }

 .mb-20 {
     margin-bottom: 20px;
 }

 .mt-20 {
     margin-top: 20px;
 }

 /* Buttons */
 .btn {
     display: inline-flex;
     align-items: center;
     justify-content: center;
     gap: 8px;
     padding: 10px 20px;
     border-radius: var(--radius-md);
     font-size: 0.9rem;
     font-weight: 500;
     cursor: pointer;
     border: 1px solid transparent;
     transition: var(--transition);
     text-decoration: none;
 }

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

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

 .btn-secondary {
     background-color: white;
     border-color: var(--border-color);
     color: var(--text-main);
 }

 .btn-secondary:hover {
     background-color: #fafbfc;
 }

 .btn-sm {
     padding: 6px 12px;
     font-size: 0.8rem;
 }

 /* Modals */
 .modal-backdrop {
     position: fixed;
     top: 0;
     left: 0;
     width: 100vw;
     height: 100vh;
     background-color: rgba(15, 23, 42, 0.5);
     /* Slate 900 semi-transparent */
     backdrop-filter: blur(4px);
     display: flex;
     align-items: center;
     justify-content: center;
     z-index: 1000;
     opacity: 0;
     pointer-events: none;
     transition: opacity 0.2s ease-out;
 }

 .modal-backdrop.show {
     opacity: 1;
     pointer-events: auto;
 }

 .modal-container {
     background-color: var(--bg-card);
     border-radius: var(--radius-lg);
     box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
     width: 90%;
     max-width: 600px;
     overflow: hidden;
     transform: translateY(20px);
     transition: transform 0.2s ease-out;
 }

 .modal-backdrop.show .modal-container {
     transform: translateY(0);
 }

 .modal-header {
     padding: 20px 24px;
     border-bottom: 1px solid var(--border-color);
     display: flex;
     justify-content: space-between;
     align-items: center;
 }

 .modal-title {
     font-size: 1.15rem;
     font-weight: 600;
 }

 .modal-close {
     background: none;
     border: none;
     font-size: 1.5rem;
     color: var(--text-muted);
     cursor: pointer;
     transition: var(--transition);
 }

 .modal-close:hover {
     color: var(--text-main);
 }

 .modal-body {
     padding: 24px;
 }

 .modal-footer {
     padding: 16px 24px;
     background-color: #fafbfc;
     border-top: 1px solid var(--border-color);
     display: flex;
     justify-content: flex-end;
     gap: 12px;
 }

 /* Installer Page Styling (Full Screen Card Layout) */
 .install-container {
     min-height: 100vh;
     width: 100vw;
     display: flex;
     align-items: center;
     justify-content: center;
     background: radial-gradient(circle at 10% 20%, rgb(15, 23, 42) 0%, rgb(30, 41, 59) 90.1%);
     padding: 20px;
 }

 .install-card {
     background-color: white;
     width: 100%;
     max-width: 550px;
     border-radius: var(--radius-lg);
     box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
     overflow: hidden;
 }

 .install-banner {
     background-color: var(--bg-sidebar);
     color: white;
     padding: 30px;
     text-align: center;
 }

 .install-banner h2 {
     font-weight: 700;
     margin-bottom: 6px;
 }

 .install-banner p {
     color: var(--text-muted);
     font-size: 0.9rem;
 }

 .install-steps {
     display: flex;
     justify-content: space-around;
     padding: 20px;
     background-color: #f1f5f9;
     border-bottom: 1px solid var(--border-color);
 }

 .step-indicator {
     font-size: 0.8rem;
     font-weight: 600;
     color: var(--text-muted);
     display: flex;
     align-items: center;
     gap: 8px;
 }

 .step-indicator.active {
     color: var(--primary);
 }

 .step-number {
     width: 20px;
     height: 20px;
     border-radius: 50%;
     background-color: var(--text-muted);
     color: white;
     display: flex;
     align-items: center;
     justify-content: center;
     font-size: 0.7rem;
 }

 .step-indicator.active .step-number {
     background-color: var(--primary);
 }

 /* Progressive Form steps */
 .form-step {
     display: none;
 }

 .form-step.active {
     display: block;
 }

 /* Alerts and badges styling */
 .alert {
     padding: 12px 16px;
     border-radius: var(--radius-md);
     margin-bottom: 20px;
     font-size: 0.9rem;
     border: 1px solid transparent;
 }

 .alert-success {
     background-color: rgba(16, 185, 129, 0.1);
     border-color: rgba(16, 185, 129, 0.2);
     color: var(--success);
 }

 .alert-danger {
     background-color: rgba(239, 68, 68, 0.1);
     border-color: rgba(239, 68, 68, 0.2);
     color: var(--danger);
 }

 .alert-warning {
     background-color: rgba(245, 158, 11, 0.1);
     border-color: rgba(245, 158, 11, 0.2);
     color: var(--warning);
 }

 .badge {
     padding: 4px 8px;
     border-radius: 50px;
     font-size: 0.75rem;
     font-weight: 600;
     display: inline-block;
 }

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

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

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

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

 /* Dashboard layout grid overrides for charts and updates */
 .chart-container {
     height: 300px;
     position: relative;
     width: 100%;
 }

 /* ========== Stock Card Specific Styles ========== */

 .stock-card {
     display: flex;
     flex-direction: column;
     border: 1px solid var(--border-color);
     border-radius: var(--radius-lg);
     background: var(--bg-card);
     overflow: hidden;
     transition: var(--transition);
 }

 .stock-card:hover {
     box-shadow: var(--shadow-hover);
     transform: translateY(-4px);
 }

 .stock-card-header {
     display: flex;
     align-items: center;
     justify-content: space-between;
     padding: 16px 20px;
     background: #fafbfc;
     border-bottom: 1px solid var(--border-color);
 }

 .stock-card-body {
     padding: 20px;
     flex-grow: 1;
     display: flex;
     flex-direction: column;
     gap: 16px;
 }

 .stock-product-name {
     font-size: 1rem;
     font-weight: 600;
     line-height: 1.4;
     display: -webkit-box;
     -webkit-line-clamp: 2;
     -webkit-box-orient: vertical;
     overflow: hidden;
     min-height: 2.8em;
 }

 .stock-details-grid {
     display: grid;
     grid-template-columns: 1fr 1fr;
     gap: 12px;
     background: #f8fafc;
     border-radius: var(--radius-md);
     padding: 14px;
 }

 .stock-detail-item {
     display: flex;
     flex-direction: column;
     gap: 4px;
 }

 .stock-detail-label {
     font-size: 0.7rem;
     font-weight: 600;
     color: var(--text-muted);
     text-transform: uppercase;
     letter-spacing: 0.3px;
 }

 .stock-detail-value {
     font-size: 0.95rem;
     font-weight: 500;
 }

 .stock-card-footer {
     display: flex;
     gap: 6px;
     padding: 14px 20px;
     border-top: 1px solid var(--border-color);
     background: #fafbfc;
 }

 .stock-action-btn {
     flex: 1;
     font-size: 0.75rem;
     padding: 7px 8px;
     white-space: nowrap;
 }

 .stock-out-btn {
     color: var(--danger) !important;
     border-color: rgba(239, 68, 68, 0.3) !important;
 }

 .stock-out-btn:hover {
     background-color: rgba(239, 68, 68, 0.08) !important;
 }

 .stock-adjust-btn {
     color: var(--warning) !important;
     border-color: rgba(245, 158, 11, 0.3) !important;
 }

 .stock-adjust-btn:hover {
     background-color: rgba(245, 158, 11, 0.08) !important;
 }