:root {
    --primary: #2c3e50;
    --secondary: #e74c3c;
    --accent: #3498db;
    --light: #ecf0f1;
    --dark: #2c3e50;
    --text: #333333;
    --background: #f9f9f9;
    --card-bg: #ffffff;
    --border: #dddddd;
    --success: #27ae60;
    --error: #c0392b;
  }

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

  body {
    font-family: 'Roboto', sans-serif;
    color: var(--text);
    background-color: var(--background);
    line-height: 1.6;
  }

  .container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 15px;
  }

  h1, h2, h3, h4, h5, h6 {
    font-family: 'Playfair Display', serif;
    color: var(--dark);
    margin-bottom: 1rem;
    line-height: 1.2;
  }

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

  h2 {
    font-size: 2rem;
    margin-bottom: 1.2rem;
  }

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

  p {
    margin-bottom: 1.5rem;
  }

  a {
    color: var(--accent);
    text-decoration: none;
    transition: color 0.3s ease;
  }

  a:hover {
    color: var(--secondary);
  }

  .btn-primary, .btn-secondary {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 4px;
    font-weight: 500;
    text-align: center;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-size: 1rem;
  }

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

  .btn-primary:hover {
    background-color: #c0392b;
    color: white;
  }

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

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

  .lead {
    font-size: 1.25rem;
    font-weight: 300;
    margin-bottom: 2rem;
  }

  section {
    padding: 5rem 0;
    position: relative;
  }

  .bg-image {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    z-index: 0;
    opacity: 0.1;
  }

  /* Hero Section */
  .account-hero {
    padding: 8rem 0;
    background-color: var(--dark);
    color: white;
    text-align: center;
  }

  .account-hero h1 {
    color: white;
    font-size: 3.5rem;
    margin-bottom: 1.5rem;
  }

  .account-hero .lead {
    max-width: 800px;
    margin: 0 auto 2rem;
    color: rgba(255, 255, 255, 0.9);
  }

  .hero-content {
    position: relative;
    z-index: 1;
  }

  /* Account Options */
  .account-options {
    background-color: var(--light);
    text-align: center;
  }

  .account-options h2 {
    margin-bottom: 3rem;
  }

  .options-grid {
    display: grid;
    grid-template-columns: repeat(1, 1fr);
    gap: 2rem;
  }

  .option-card {
    background-color: var(--card-bg);
    border-radius: 8px;
    padding: 2rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
  }

  .option-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.15);
  }

  .option-card i {
    font-size: 3rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
  }

  .option-card h3 {
    margin-bottom: 1rem;
  }

  .option-card p {
    margin-bottom: 1.5rem;
  }

  /* Reading Profile */
  .reading-profile {
    background-color: white;
  }

  .profile-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
  }

  .profile-text {
    flex: 1;
  }

  .profile-image {
    flex: 1;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  .profile-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
  }

  .stats-container {
    display: flex;
    flex-wrap: wrap;
    gap: 1.5rem;
    margin-bottom: 2rem;
  }

  .stat-box {
    background-color: var(--light);
    border-radius: 8px;
    padding: 1.5rem;
    text-align: center;
    flex: 1;
    min-width: 120px;
  }

  .stat-number {
    display: block;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--secondary);
    margin-bottom: 0.5rem;
  }

  .stat-label {
    font-size: 0.9rem;
    color: var(--text);
  }

  /* Recommendations */
  .recommendations {
    background-color: var(--dark);
    color: white;
    text-align: center;
  }

  .recommendations h2 {
    color: white;
    margin-bottom: 1.5rem;
  }

  .section-intro {
    max-width: 800px;
    margin: 0 auto 3rem;
  }

  .empty-recommendations {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 3rem 2rem;
    max-width: 800px;
    margin: 0 auto;
  }

  .empty-recommendations i {
    font-size: 4rem;
    color: var(--secondary);
    margin-bottom: 1.5rem;
  }

  .empty-recommendations h3 {
    color: white;
    margin-bottom: 1rem;
  }

  .empty-recommendations p {
    margin-bottom: 2rem;
  }

  /* Account Form */
  .account-form {
    background-color: var(--light);
  }

  .form-container {
    background-color: white;
    border-radius: 8px;
    padding: 3rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    margin-bottom: 3rem;
  }

  .form-group {
    margin-bottom: 1.5rem;
  }

  .form-row {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
  }

  label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
  }

  input, textarea, select {
    width: 100%;
    padding: 12px;
    border: 1px solid var(--border);
    border-radius: 4px;
    font-family: inherit;
    font-size: 1rem;
  }

  textarea {
    min-height: 120px;
    resize: vertical;
  }

  select[multiple] {
    height: 150px;
  }

  small {
    display: block;
    margin-top: 0.5rem;
    color: #666;
  }

  .checkbox-container {
    display: flex;
    align-items: center;
    cursor: pointer;
    user-select: none;
    position: relative;
    padding-left: 35px;
    font-weight: normal;
  }

  .checkbox-container input {
    position: absolute;
    opacity: 0;
    cursor: pointer;
    height: 0;
    width: 0;
  }

  .checkmark {
    position: absolute;
    top: 0;
    left: 0;
    height: 20px;
    width: 20px;
    background-color: #eee;
    border-radius: 4px;
  }

  .checkbox-container:hover input ~ .checkmark {
    background-color: #ccc;
  }

  .checkbox-container input:checked ~ .checkmark {
    background-color: var(--secondary);
  }

  .checkmark:after {
    content: "";
    position: absolute;
    display: none;
  }

  .checkbox-container input:checked ~ .checkmark:after {
    display: block;
  }

  .checkbox-container .checkmark:after {
    left: 7px;
    top: 3px;
    width: 5px;
    height: 10px;
    border: solid white;
    border-width: 0 2px 2px 0;
    transform: rotate(45deg);
  }

  .account-image {
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
  }

  .account-image img {
    width: 100%;
    height: auto;
    display: block;
    border-radius: 8px;
  }

  /* Reading Challenge */
  .reading-challenge {
    background-color: var(--dark);
    color: white;
    text-align: center;
    padding: 4rem 0;
  }

  .challenge-content {
    max-width: 800px;
    margin: 0 auto;
  }

  .reading-challenge h2 {
    color: white;
    margin-bottom: 1.5rem;
  }

  .challenge-meter {
    background-color: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    padding: 2rem;
    margin-top: 2rem;
  }

  .meter-header {
    display: flex;
    justify-content: space-between;
    margin-bottom: 1rem;
  }

  .progress-bar {
    height: 20px;
    background-color: rgba(255, 255, 255, 0.2);
    border-radius: 10px;
    overflow: hidden;
    margin-bottom: 2rem;
  }

  .progress {
    height: 100%;
    background-color: var(--secondary);
    border-radius: 10px;
    transition: width 0.5s ease;
  }

  /* Responsive Styles */
  @media (min-width: 768px) {
    h1 {
      font-size: 3rem;
    }

    h2 {
      font-size: 2.5rem;
    }

    h3 {
      font-size: 1.8rem;
    }

    .options-grid {
      grid-template-columns: repeat(2, 1fr);
    }

    .form-row {
      flex-direction: row;
    }

    .form-row .form-group {
      flex: 1;
    }

    .profile-content {
      flex-direction: row;
    }

    .account-form .container {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 3rem;
      align-items: start;
    }
  }

  @media (min-width: 1024px) {
    .options-grid {
      grid-template-columns: repeat(4, 1fr);
    }

    .account-hero h1 {
      font-size: 4rem;
    }
  }

  .sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
  }