/* Authentication Portal Styles */

/* CSS Variables for consistent theming */
:root {
  --primary-color: #0066cc;
  --primary-hover: #0052a3;
  --secondary-color: #6c757d;
  --success-color: #28a745;
  --error-color: #dc3545;
  --background-color: #f8f9fa;
  --card-background: #ffffff;
  --text-color: #212529;
  --text-muted: #6c757d;
  --border-color: #dee2e6;
  --shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
  --shadow-hover: 0 4px 8px rgba(0, 0, 0, 0.15);
  --border-radius: 8px;
  --spacing-xs: 0.5rem;
  --spacing-sm: 1rem;
  --spacing-md: 1.5rem;
  --spacing-lg: 2rem;
  --spacing-xl: 3rem;
  --max-width: 1200px;
  --transition: all 0.3s ease;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--background-color);
  min-height: 100vh;
}

/* Main app container */
#app {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

/* Header styles */
header {
  background-color: var(--card-background);
  border-bottom: 1px solid var(--border-color);
  padding: var(--spacing-md) var(--spacing-lg);
  box-shadow: var(--shadow);
}

header h1 {
  font-size: 1.75rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
}

#auth-status {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  margin-top: var(--spacing-sm);
}

#user-info {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* Button styles */
button {
  padding: var(--spacing-xs) var(--spacing-md);
  font-size: 1rem;
  font-weight: 500;
  border: none;
  border-radius: var(--border-radius);
  cursor: pointer;
  transition: var(--transition);
  font-family: inherit;
}

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

#login-btn:hover {
  background-color: var(--primary-hover);
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

#login-btn:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

#logout-btn {
  background-color: var(--secondary-color);
  color: white;
}

#logout-btn:hover {
  background-color: #5a6268;
  transform: translateY(-1px);
  box-shadow: var(--shadow-hover);
}

#logout-btn:focus {
  outline: 2px solid var(--secondary-color);
  outline-offset: 2px;
}

button:active {
  transform: translateY(0);
}

button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
}

/* Main content area */
main {
  flex: 1;
  max-width: var(--max-width);
  width: 100%;
  margin: 0 auto;
  padding: var(--spacing-lg);
}

/* Loading indicator */
#loading {
  text-align: center;
  padding: var(--spacing-xl);
  color: var(--text-muted);
}

#loading p {
  font-size: 1.1rem;
}

/* Error message styles */
#error-message {
  background-color: #f8d7da;
  color: var(--error-color);
  border: 1px solid #f5c6cb;
  border-radius: var(--border-radius);
  padding: var(--spacing-md);
  margin-bottom: var(--spacing-lg);
  font-weight: 500;
}

#error-message::before {
  content: '⚠ ';
  font-weight: bold;
}

/* Unauthenticated message */
#unauthenticated-message {
  text-align: center;
  padding: var(--spacing-xl);
  background-color: var(--card-background);
  border-radius: var(--border-radius);
  box-shadow: var(--shadow);
}

#unauthenticated-message p {
  font-size: 1.1rem;
  color: var(--text-muted);
}

/* Application directory */
#app-directory h2 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-color);
  margin-bottom: var(--spacing-lg);
}

/* Application list grid */
#app-list {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
  gap: var(--spacing-md);
  margin-top: var(--spacing-md);
}

/* Application card */
.app-card {
  background-color: var(--card-background);
  border: 1px solid var(--border-color);
  border-radius: var(--border-radius);
  overflow: hidden;
  transition: var(--transition);
  box-shadow: var(--shadow);
}

.app-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--primary-color);
}

/* Application link */
.app-link {
  display: block;
  padding: var(--spacing-md);
  text-decoration: none;
  color: inherit;
}

.app-link:focus {
  outline: 2px solid var(--primary-color);
  outline-offset: -2px;
}

.app-link h3 {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--primary-color);
  margin-bottom: var(--spacing-xs);
  transition: var(--transition);
}

.app-card:hover .app-link h3 {
  color: var(--primary-hover);
}

.app-link p {
  font-size: 0.95rem;
  color: var(--text-muted);
  line-height: 1.5;
  margin-top: var(--spacing-xs);
}

/* Empty state */
#app-list p {
  text-align: center;
  color: var(--text-muted);
  padding: var(--spacing-xl);
  font-size: 1.1rem;
}

/* Responsive design for tablets */
@media (max-width: 768px) {
  header {
    padding: var(--spacing-sm) var(--spacing-md);
  }

  header h1 {
    font-size: 1.5rem;
  }

  #auth-status {
    flex-direction: column;
    align-items: flex-start;
    gap: var(--spacing-xs);
  }

  main {
    padding: var(--spacing-md);
  }

  #app-directory h2 {
    font-size: 1.3rem;
  }

  #app-list {
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: var(--spacing-sm);
  }

  button {
    width: 100%;
  }
}

/* Responsive design for mobile devices */
@media (max-width: 480px) {
  header {
    padding: var(--spacing-sm);
  }

  header h1 {
    font-size: 1.25rem;
  }

  main {
    padding: var(--spacing-sm);
  }

  #app-directory h2 {
    font-size: 1.2rem;
    margin-bottom: var(--spacing-md);
  }

  #app-list {
    grid-template-columns: 1fr;
    gap: var(--spacing-sm);
  }

  .app-link {
    padding: var(--spacing-sm);
  }

  .app-link h3 {
    font-size: 1.1rem;
  }

  .app-link p {
    font-size: 0.9rem;
  }

  button {
    padding: var(--spacing-xs) var(--spacing-sm);
    font-size: 0.95rem;
  }
}

/* Accessibility improvements */
@media (prefers-reduced-motion: reduce) {
  * {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  :root {
    --border-color: #000000;
    --shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
  }

  .app-card {
    border-width: 2px;
  }

  button {
    border: 2px solid currentColor;
  }
}

/* Focus visible for keyboard navigation */
:focus-visible {
  outline: 2px solid var(--primary-color);
  outline-offset: 2px;
}

/* Print styles */
@media print {
  header {
    box-shadow: none;
    border-bottom: 2px solid var(--border-color);
  }

  #auth-status,
  #login-btn,
  #logout-btn {
    display: none !important;
  }

  .app-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--border-color);
  }

  .app-card:hover {
    transform: none;
  }
}