:root {
    --primary: #3a7bd5;
    --primary-dark: #2b5cb3;
    --secondary: #00bcd4;
    --dark: #333;
    --light: #f8f9fa;
    --gray: #6c757d;
    --light-gray: #e9ecef;
    --success: #28a745;
    --warning: #ffc107;
    --danger: #dc3545;
    --shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    --border-radius: 8px;
    --transition: all 0.3s ease;
  }

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
  }

  /* Typography */
  h1, h2, h3, h4, h5, h6 {
    margin-top: 0;
    color: var(--dark);
    font-weight: 700;
  }

  h1 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
  }

  h2 {
    font-size: 2rem;
    margin-bottom: 1.25rem;
  }

  h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
  }

  p {
    margin-top: 0;
    margin-bottom: 1rem;
    line-height: 1.6;
  }

  .lead {
    font-size: 1.25rem;
    font-weight: 300;
  }

  /* Buttons */
  .btn {
    display: inline-block;
    padding: 0.75rem 1.5rem;
    border-radius: var(--border-radius);
    text-decoration: none;
    font-weight: 600;
    text-align: center;
    cursor: pointer;
    transition: var(--transition);
    border: none;
  }

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

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

  .btn-outline {
    background-color: transparent;
    border: 2px solid var(--primary);
    color: var(--primary);
  }

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

  .btn-sm {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }

  /* Hero Section */
  .account-hero {
    position: relative;
    padding: 100px 0;
    color: white;
    text-align: center;
    overflow: hidden;
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.3;
  }

  .account-hero::after {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.7));
    z-index: 1;
  }

  .account-hero__content {
    position: relative;
    z-index: 2;
  }

  /* Account Dashboard */
  .account-dashboard {
    padding: 60px 0;
    background-color: var(--light);
  }

  .account-grid {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 30px;
  }

  .account-sidebar {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .user-profile {
    padding: 30px 20px;
    text-align: center;
    background-color: var(--primary);
    color: white;
  }

  .user-profile img {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid white;
    margin-bottom: 15px;
  }

  .user-profile h2 {
    color: white;
    margin-bottom: 5px;
    font-size: 1.5rem;
  }

  .user-profile p {
    margin-bottom: 0;
    opacity: 0.8;
  }

  .account-nav ul {
    list-style: none;
    padding: 0;
    margin: 0;
  }

  .account-nav li {
    border-bottom: 1px solid var(--light-gray);
  }

  .account-nav li:last-child {
    border-bottom: none;
  }

  .account-nav a {
    display: flex;
    align-items: center;
    padding: 15px 20px;
    color: var(--dark);
    text-decoration: none;
    transition: var(--transition);
  }

  .account-nav a:hover,
  .account-nav li.active a {
    background-color: rgba(58, 123, 213, 0.1);
    color: var(--primary);
  }

  .account-nav i {
    margin-right: 10px;
    width: 20px;
    text-align: center;
  }

  .account-content {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 30px;
  }

  .account-section {
    display: none;
  }

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

  /* Dashboard Cards */
  .dashboard-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
  }

  .dashboard-card {
    background-color: white;
    border-radius: var(--border-radius);
    padding: 20px;
    box-shadow: var(--shadow);
    text-align: center;
    border: 1px solid var(--light-gray);
    transition: var(--transition);
  }

  .dashboard-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }

  .dashboard-card i {
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 15px;
  }

  .dashboard-card h3 {
    margin-bottom: 10px;
    font-size: 1.25rem;
  }

  .dashboard-card p {
    margin-bottom: 5px;
  }

  .dashboard-card .date {
    color: var(--gray);
    font-size: 0.875rem;
    margin-bottom: 15px;
  }

  /* Eye Health Reminder */
  .eye-health-reminder {
    display: flex;
    align-items: center;
    background-color: rgba(0, 188, 212, 0.1);
    border-radius: var(--border-radius);
    overflow: hidden;
    margin-top: 40px;
  }

  .reminder-content {
    padding: 30px;
    flex: 1;
  }

  .eye-health-reminder img {
    width: 200px;
    height: 200px;
    object-fit: cover;
  }

  .eye-health-reminder h3 {
    color: var(--secondary);
    margin-bottom: 15px;
  }

  /* Orders List */
  .orders-list {
    margin-top: 30px;
  }

  .order-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    margin-bottom: 20px;
    overflow: hidden;
  }

  .order-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 15px 20px;
    background-color: var(--light);
    border-bottom: 1px solid var(--light-gray);
  }

  .order-id {
    display: flex;
    align-items: center;
  }

  .order-id h3 {
    margin-bottom: 0;
    margin-right: 15px;
    font-size: 1.1rem;
  }

  .status {
    display: inline-block;
    padding: 5px 10px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
  }

  .status-completed {
    background-color: rgba(40, 167, 69, 0.1);
    color: var(--success);
  }

  .order-date {
    color: var(--gray);
    font-size: 0.9rem;
  }

  .order-details {
    padding: 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }

  .order-product {
    display: flex;
    align-items: center;
  }

  .order-product img {
    width: 80px;
    height: 60px;
    object-fit: cover;
    border-radius: 5px;
    margin-right: 15px;
  }

  .product-info h4 {
    margin-bottom: 5px;
    font-size: 1.1rem;
  }

  .product-info p {
    margin-bottom: 5px;
    color: var(--dark);
  }

  .product-options {
    color: var(--gray);
    font-size: 0.875rem;
  }

  .order-actions {
    display: flex;
    gap: 10px;
  }

  /* Prescriptions */
  .prescription-upload {
    margin-bottom: 30px;
  }

  .upload-box {
    border: 2px dashed var(--light-gray);
    border-radius: var(--border-radius);
    padding: 30px;
    text-align: center;
    background-color: var(--light);
    cursor: pointer;
    transition: var(--transition);
  }

  .upload-box:hover {
    border-color: var(--primary);
  }

  .upload-box i {
    font-size: 3rem;
    color: var(--primary);
    margin-bottom: 15px;
  }

  .hidden {
    display: none;
  }

  .prescriptions-list {
    margin-top: 30px;
  }

  .prescription-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    padding: 20px;
    margin-bottom: 20px;
  }

  .prescription-info h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
  }

  .prescription-info p {
    margin-bottom: 5px;
    color: var(--gray);
  }

  .prescription-preview img {
    width: 100px;
    height: 70px;
    object-fit: cover;
    border-radius: 5px;
  }

  .prescription-actions {
    display: flex;
    gap: 10px;
  }

  /* Favorites */
  .favorites-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 30px;
  }

  .favorite-item {
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
    transition: var(--transition);
  }

  .favorite-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
  }

  .favorite-image {
    position: relative;
    height: 200px;
  }

  .favorite-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .remove-favorite {
    position: absolute;
    top: 10px;
    right: 10px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, 0.8);
    border: none;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
  }

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

  .favorite-info {
    padding: 20px;
  }

  .favorite-info h3 {
    margin-bottom: 10px;
    font-size: 1.1rem;
  }

  .frame-price {
    color: var(--primary);
    font-weight: 600;
    margin-bottom: 15px;
  }

  .favorite-actions {
    display: flex;
    gap: 10px;
  }

  /* Virtual Try On */
  .virtual-try-on {
    padding: 60px 0;
    background-color: var(--light);
  }

  .try-on-content {
    display: flex;
    align-items: center;
    background-color: white;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    overflow: hidden;
  }

  .try-on-info {
    padding: 40px;
    flex: 1;
  }

  .try-on-preview {
    width: 40%;
    height: 300px;
  }

  .try-on-preview img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  /* Utility Classes */
  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
  }

  /* Responsive Styles */
  @media (max-width: 992px) {
    .account-grid {
      grid-template-columns: 1fr;
    }

    .try-on-content {
      flex-direction: column;
    }

    .try-on-preview {
      width: 100%;
    }
  }

  @media (max-width: 768px) {
    .order-details {
      flex-direction: column;
      align-items: flex-start;
    }

    .order-actions {
      margin-top: 15px;
    }

    .prescription-item {
      flex-direction: column;
      text-align: center;
    }

    .prescription-info, .prescription-preview, .prescription-actions {
      margin-bottom: 15px;
    }

    .eye-health-reminder {
      flex-direction: column;
    }

    .eye-health-reminder img {
      width: 100%;
      height: 150px;
    }
  }

  @media (max-width: 576px) {
    .account-hero {
      padding: 60px 0;
    }

    h1 {
      font-size: 2rem;
    }

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