/**
 * Account Information Page Styles
 *
 * Mobile-first responsive design for user profile management
 * Base styles for 320px+, enhancements for 768px+
 */

/* ============================================
   BASE STYLES (Mobile-first: 320px+)
   ============================================ */

.account-section {
  background: #fff;
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 24px;
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

.account-section h2 {
  font-size: 1.25rem;
  margin: 0 0 16px 0;
  color: #333;
  font-weight: 600;
}

.account-form {
  width: 100%;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-weight: 500;
  margin-bottom: 8px;
  color: #555;
  font-size: 0.95rem;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"] {
  width: 100%;
  padding: 12px;
  border: 1px solid #ddd;
  border-radius: 4px;
  font-size: 1rem;
  box-sizing: border-box;
  transition: border-color 0.2s ease;
  /* Minimum 44px touch target */
  min-height: 44px;
}

.form-group input[type="text"]:focus,
.form-group input[type="email"]:focus,
.form-group input[type="password"]:focus {
  outline: none;
  border-color: #4c65ae;
  box-shadow: 0 0 0 3px rgba(76, 101, 174, 0.1);
}

.form-group input[type="text"]:invalid,
.form-group input[type="email"]:invalid,
.form-group input[type="password"]:invalid {
  border-color: #dc3545;
}

/* Button styles */
.account-form .btn {
  width: 100%;
  padding: 12px 24px;
  font-size: 1rem;
  font-weight: 600;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: background-color 0.2s ease, transform 0.1s ease;
  /* Minimum 44px touch target */
  min-height: 44px;
  text-align: center;
}

.account-form .btn-primary {
  background-color: #4c65ae;
  color: #fff;
}

.account-form .btn-primary:hover {
  background-color: #3d5290;
}

.account-form .btn-primary:active {
  transform: scale(0.98);
}

.account-form .btn:disabled {
  background-color: #ccc;
  cursor: not-allowed;
  opacity: 0.6;
}

/* Warning box for email change */
.warning-box {
  background-color: #fff3cd;
  border: 1px solid #ffc107;
  border-radius: 4px;
  padding: 12px 16px;
  margin-bottom: 16px;
  color: #856404;
}

.warning-box p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.5;
}

.section-description {
  margin: 0 0 16px 0;
  color: #555;
  line-height: 1.5;
  font-size: 0.95rem;
}

/* Error container */
.error-container {
  text-align: center;
  padding: 40px 20px;
}

.error-container h1 {
  color: #dc3545;
  margin-bottom: 16px;
}

.error-container p {
  margin: 12px 0;
  color: #666;
}

.error-container a {
  color: #4c65ae;
  text-decoration: none;
  font-weight: 600;
}

.error-container a:hover {
  text-decoration: underline;
}

/* Home icon (from other pages) */
.home-icon {
  display: inline-block;
  font-size: 2rem;
  text-decoration: none;
  margin-bottom: 16px;
  transition: transform 0.2s ease;
}

.home-icon:hover {
  transform: scale(1.1);
}

/* Page title */
h1 {
  font-size: 1.75rem;
  margin: 0 0 24px 0;
  color: #333;
  font-weight: 700;
}

/* ============================================
   TABLET/DESKTOP ENHANCEMENTS (768px+)
   ============================================ */

@media (min-width: 768px) {
  /* Container for sections */
  .account-section {
    padding: 32px;
    margin-bottom: 32px;
  }

  .account-section h2 {
    font-size: 1.5rem;
    margin-bottom: 20px;
  }

  /* Form layout */
  .account-form {
    max-width: 500px;
  }

  .form-group {
    margin-bottom: 24px;
  }

  .form-group label {
    font-size: 1rem;
    margin-bottom: 10px;
  }

  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="password"] {
    padding: 14px;
    font-size: 1rem;
  }

  /* Button on desktop can be smaller width */
  .account-form .btn {
    width: auto;
    min-width: 200px;
    padding: 12px 32px;
  }

  /* Warning box */
  .warning-box {
    padding: 16px 20px;
    margin-bottom: 20px;
  }

  .warning-box p {
    font-size: 1rem;
  }

  /* Page title */
  h1 {
    font-size: 2.25rem;
    margin-bottom: 32px;
  }

  /* Error container */
  .error-container {
    padding: 60px 40px;
  }
}

/* ============================================
   LARGE DESKTOP (1024px+)
   ============================================ */

@media (min-width: 1024px) {
  /* Center content with max width */
  .account-section {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
  }

  h1 {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    margin-bottom: 40px;
  }

  .home-icon {
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
    display: block;
  }
}

/* ============================================
   ACCESSIBILITY ENHANCEMENTS
   ============================================ */

/* Focus visible for keyboard navigation */
.account-form .btn:focus-visible {
  outline: 3px solid #4c65ae;
  outline-offset: 2px;
}

.form-group input[type="text"]:focus-visible,
.form-group input[type="email"]:focus-visible,
.form-group input[type="password"]:focus-visible {
  outline: 3px solid #4c65ae;
  outline-offset: 2px;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .account-section {
    border: 2px solid #000;
  }

  .warning-box {
    border: 2px solid #ffc107;
  }
}

/* Reduced motion support */
@media (prefers-reduced-motion: reduce) {
  .home-icon,
  .account-form .btn,
  .form-group input[type="text"],
  .form-group input[type="email"],
  .form-group input[type="password"] {
    transition: none;
  }
}