:root {
            --primary-color: #2874f0;
            --primary-dark: #1a5cb8;
            --secondary-color: #fb641b;
            --dark-color: #212121;
            --medium-color: #616161;
            --light-color: #f1f3f6;
            --white-color: #ffffff;
            --border-color: #e0e0e0;
            --success-color: #388e3c;
            --warning-color: #ff9f00;
            --danger-color: #e53935;
            --sidebar-width: 280px;
        }
        
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
            font-family: 'Roboto', Arial, sans-serif;
        }
        
        body {
            background-color: #f5f5f5;
            color: var(--dark-color);
            line-height: 1.6;
            overflow-x: hidden;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        .account-container {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            padding: 30px 0;
            position: relative;
        }
        
        /* Mobile Menu Toggle */
        .mobile-menu-toggle {
            display: none;
            position: fixed;
            top: 15px;
            left: 15px;
            z-index: 1000;
            background: var(--primary-color);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        
        /* Account Sidebar */
        .account-sidebar {
            flex: 0 0 var(--sidebar-width);
            background: var(--white-color);
            border-radius: 8px;
            box-shadow: 0 1px 1px 0 rgba(0,0,0,0.1);
            transition: all 0.3s ease;
            position: relative;
            z-index: 100;
            height: auto;
        }
        
        .user-profile {
            padding: 25px;
            text-align: center;
            border-bottom: 1px solid var(--border-color);
            position: relative;
        }
        
        .user-avatar {
            width: 80px;
            height: 80px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 15px;
            border: 2px solid var(--primary-color);
            background-color: #f0f0f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--primary-color);
            cursor: pointer;
        }
        
        .avatar-initials {
            font-weight: bold;
        }
        
        .avatar-upload {
            position: absolute;
            top: 20px;
            right: 20px;
            background: var(--primary-color);
            color: white;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 14px;
        }
        
        .user-name {
            font-size: 18px;
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .user-email {
            font-size: 14px;
            color: var(--medium-color);
        }
        
        .account-menu {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .account-menu li {
            border-bottom: 1px solid var(--border-color);
        }
        
        .account-menu li:last-child {
            border-bottom: none;
        }
        
        .account-menu a {
            display: flex;
            align-items: center;
            padding: 15px 25px;
            color: var(--dark-color);
            text-decoration: none;
            transition: all 0.2s;
        }
        
        .account-menu a:hover, .account-menu a.active {
            background: rgba(40, 116, 240, 0.1);
            color: var(--primary-color);
        }
        
        .account-menu a i {
            margin-right: 12px;
            width: 20px;
            text-align: center;
        }
        
        /* Account Content */
        .account-content {
            flex: 1;
            min-width: 300px;
        }
        
        .account-card {
            background: var(--white-color);
            border-radius: 8px;
            box-shadow: 0 1px 1px 0 rgba(0,0,0,0.1);
            padding: 25px;
            margin-bottom: 30px;
        }
        
        .account-card h2 {
            font-size: 20px;
            margin-bottom: 20px;
            padding-bottom: 15px;
            border-bottom: 1px solid var(--border-color);
            color: var(--dark-color);
        }
        
        /* Welcome Card */
        .welcome-card {
            background: linear-gradient(135deg, var(--primary-color), var(--primary-dark));
            color: white;
            padding: 25px;
            border-radius: 8px;
            margin-bottom: 30px;
            position: relative;
            overflow: hidden;
        }
        
        .welcome-card h2 {
            font-size: 22px;
            margin-bottom: 10px;
            border: none;
            padding: 0;
            color: white;
        }
        
        .welcome-card p {
            margin-bottom: 15px;
            color: rgba(255,255,255,0.9);
            font-size: 15px;
        }
        
        .welcome-card .btn {
            display: inline-block;
            background: white;
            color: var(--primary-color);
            padding: 8px 16px;
            border-radius: 4px;
            text-decoration: none;
            font-weight: 500;
            transition: all 0.2s;
        }
        
        .welcome-card .btn:hover {
            background: rgba(255,255,255,0.9);
        }
        
        /* Order Summary */
        .order-summary {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin-top: 20px;
        }
        
        .order-summary-item {
            flex: 1;
            min-width: 150px;
            background: var(--light-color);
            border-radius: 8px;
            padding: 15px;
            text-align: center;
            transition: all 0.2s;
        }
        
        .order-summary-item:hover {
            transform: translateY(-3px);
            box-shadow: 0 2px 8px 0 rgba(0,0,0,0.1);
        }
        
        .order-summary-item i {
            font-size: 24px;
            margin-bottom: 10px;
            color: var(--primary-color);
        }
        
        .order-summary-item h3 {
            font-size: 14px;
            color: var(--medium-color);
            margin-bottom: 5px;
        }
        
        .order-summary-item p {
            font-size: 18px;
            font-weight: 600;
        }
        
        /* Recent Orders */
        .order-list {
            margin-top: 20px;
        }
        
        .order-item {
            display: flex;
            flex-wrap: wrap;
            padding: 15px 0;
            border-bottom: 1px solid var(--border-color);
        }
        
        .order-item:last-child {
            border-bottom: none;
        }
        
        .order-info {
            flex: 1;
            min-width: 200px;
        }
        
        .order-id {
            font-weight: 500;
            margin-bottom: 5px;
        }
        
        .order-date, .order-amount {
            font-size: 14px;
            color: var(--medium-color);
        }
        
        .order-status {
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            display: inline-block;
            margin-top: 5px;
        }
        
        .status-delivered {
            background: #e3f8e8;
            color: var(--success-color);
        }
        
        .status-shipped {
            background: #fff8e6;
            color: var(--warning-color);
        }
        
        .status-pending {
            background: #ffebee;
            color: var(--danger-color);
        }
        
        .order-action {
            display: flex;
            align-items: center;
        }
        
        .order-action a {
            display: inline-block;
            padding: 6px 12px;
            background: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-size: 14px;
            transition: all 0.2s;
        }
        
        .order-action a:hover {
            background: var(--primary-dark);
        }
        
        /* Personal Info */
        .personal-info {
            margin-top: 20px;
        }
        
        .info-row {
            display: flex;
            flex-wrap: wrap;
            margin-bottom: 15px;
        }
        
        .info-label {
            flex: 0 0 150px;
            font-weight: 500;
            color: var(--medium-color);
        }
        
        .info-value {
            flex: 1;
        }
        
        .edit-btn {
            display: inline-block;
            margin-top: 20px;
            padding: 8px 16px;
            background: var(--primary-color);
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-size: 14px;
            transition: all 0.2s;
        }
        
        .edit-btn:hover {
            background: var(--primary-dark);
        }
        
        /* Sidebar Overlay */
        .sidebar-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0,0,0,0.5);
            z-index: 800;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
        }
        
        .sidebar-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        
        /* Responsive Adjustments */
        @media (max-width: 992px) {
            .mobile-menu-toggle {
                display: flex;
            }
            
            .account-sidebar {
                position: fixed;
                top: 0;
                left: 0;
                bottom: 0;
                z-index: 900;
                transform: translateX(-100%);
                transition: transform 0.3s ease;
                border-radius: 0;
                width: 280px;
                height: 100vh;
                overflow-y: auto;
            }
            
            .account-sidebar.sidebar-open {
                transform: translateX(0);
            }
            
            .account-content {
                flex: 0 0 100%;
                margin-left: 0;
            }
            
            .sidebar-overlay.active {
                opacity: 1;
                visibility: visible;
            }
            
            body.sidebar-open {
                overflow: hidden;
            }
        }
        
        @media (max-width: 768px) {
            .order-summary-item {
                flex: 0 0 calc(50% - 8px);
            }
        }
        
        @media (max-width: 576px) {
            .account-card {
                padding: 15px;
            }
            
            .order-summary-item {
                flex: 0 0 100%;
            }
            
            .order-item {
                flex-direction: column;
                gap: 10px;
            }
            
            .order-action {
                margin-top: 10px;
            }
            
            .info-row {
                flex-direction: column;
                gap: 5px;
            }
            
            .info-label {
                flex: 0 0 100%;
            }
            
            .welcome-card h2 {
                font-size: 20px;
            }
        }