/**
 * Business Card Site - Custom Styles (Enhanced)
 *
 * Card-specific component styles with modern design, animations, and improved UX.
 * All styles follow CSP compliance (no inline styles or scripts).
 *
 * GitHub Issue: https://github.com/skillfulsardine/nexus/issues/236
 */

/* ============================================================================
   Container
   ============================================================================ */
.card-container {
  max-width: 600px;
  margin: 0 auto;
  padding: var(--spacing-md);
  display: flex;
  flex-direction: column;
  gap: var(--spacing-md);
}

/* ============================================================================
   Hero Card with Bio
   ============================================================================ */
.hero-card {
  text-align: center;
  padding: var(--spacing-xl) var(--spacing-md);
}

.profile-photo {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  object-fit: cover;
  border: 3px solid var(--button-primary-bg);
  box-shadow: var(--shadow-md);
  margin: 0 auto var(--spacing-sm);
  display: block;
  transition: transform var(--transition-base);
}

.profile-photo:hover {
  transform: scale(1.05);
}

.profile-photo-placeholder {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--button-primary-bg), var(--button-primary-hover));
  border: 3px solid var(--button-primary-bg);
  box-shadow: var(--shadow-md);
  margin: 0 auto var(--spacing-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition-base);
}

.profile-photo-placeholder:hover {
  transform: scale(1.05);
}

.profile-initials {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--button-primary-text);
  user-select: none;
}

.name {
  font-size: clamp(1.75rem, 5vw, 2rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-xs);
  line-height: 1.2;
}

.title {
  font-size: 1.125rem;
  font-weight: 500;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-xs);
  line-height: 1.4;
}

.company {
  font-size: 0.9375rem;
  color: var(--button-primary-bg);
  font-weight: 600;
  margin: 0 0 var(--spacing-sm);
}

.bio {
  font-size: 0.9375rem;
  color: var(--text-tertiary);
  line-height: 1.5;
  margin: var(--spacing-sm) auto 0;
  max-width: 460px;
  font-style: italic;
}

/* ============================================================================
   Primary Actions (Enhanced)
   ============================================================================ */
.actions-section {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-xs);
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* Button Enhancements */
.button {
  border-radius: var(--radius-md);
  font-weight: 600;
  letter-spacing: 0.01em;
  transition: all 0.2s ease;
}

.button-icon {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}

/* Improved Primary Button */
.button--primary {
  box-shadow: 0 2px 8px rgba(122, 196, 136, 0.3);
}

.button--primary:hover:not(:disabled) {
  box-shadow: 0 4px 12px rgba(122, 196, 136, 0.4);
  transform: translateY(-1px);
}

.button--primary:active:not(:disabled) {
  transform: translateY(0);
  box-shadow: 0 2px 6px rgba(122, 196, 136, 0.3);
}

/* Improved Outline Button */
.button--outline {
  background-color: var(--bg-primary);
  border-width: 2px;
  border-style: solid;
}

.button--outline:hover:not(:disabled) {
  background-color: var(--bg-tertiary);
  transform: translateY(-1px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.button--outline:active:not(:disabled) {
  transform: translateY(0);
}

/* Large Button Variant */
.button--large {
  padding: 14px 24px;
  font-size: 1rem;
  gap: 10px;
}

/* ============================================================================
   Contact Cards Grid
   ============================================================================ */
.contact-section {
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.section-title {
  font-size: 0.8125rem;
  font-weight: 600;
  margin: 0 0 var(--spacing-md);
  color: var(--text-secondary);
  text-align: center;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.contact-grid {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-sm);
  max-width: 480px;
  margin: 0 auto;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: var(--spacing-sm);
  padding: var(--spacing-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
  min-height: 70px;
}

.contact-card:hover {
  background: var(--bg-primary);
  border-color: var(--button-primary-bg);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.contact-card:focus {
  outline: 2px solid var(--button-primary-bg);
  outline-offset: 2px;
}

.contact-card--static {
  cursor: default;
}

.contact-card--static:hover {
  transform: none;
}

.contact-icon {
  flex-shrink: 0;
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-md);
  background: var(--button-primary-bg);
  color: var(--button-primary-text);
}

.contact-icon svg {
  width: 20px;
  height: 20px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
  min-width: 0;
}

.contact-label {
  font-size: 0.6875rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-tertiary);
}

.contact-value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--text-primary);
  word-break: break-word;
}

/* ============================================================================
   Social Links (Icon-based)
   ============================================================================ */
.social-section {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.social-links {
  display: flex;
  justify-content: center;
  gap: var(--spacing-sm);
  flex-wrap: wrap;
  margin-top: var(--spacing-sm);
}

.social-icon-link {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-md);
  background: var(--bg-secondary);
  border: 1px solid var(--border-secondary);
  text-decoration: none;
  color: var(--text-primary);
  transition: all var(--transition-base);
}

.social-icon-link:hover {
  background: var(--button-primary-bg);
  border-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.social-icon-link:focus {
  outline: 2px solid var(--button-primary-bg);
  outline-offset: 2px;
}

.social-icon-svg {
  width: 20px;
  height: 20px;
}

/* ============================================================================
   Share Section
   ============================================================================ */
.share-section {
  text-align: center;
  padding: var(--spacing-md);
  background: var(--bg-primary);
  border: 1px solid var(--border-primary);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

/* ============================================================================
   Footer
   ============================================================================ */
.card-footer {
  text-align: center;
  padding: var(--spacing-lg);
  color: var(--text-tertiary);
  font-size: 0.875rem;
}

.card-footer p {
  margin: 0;
}

/* ============================================================================
   Theme Toggle Button
   ============================================================================ */
/* Override components.css theme-toggle with card-specific positioning */
body .theme-toggle {
  position: fixed !important;
  top: var(--spacing-md) !important;
  right: var(--spacing-md) !important;
  width: 48px !important;
  height: 48px !important;
  display: flex !important;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-primary);
  border: 2px solid var(--button-primary-bg);
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--transition-fast);
  z-index: 100;
  padding: 0;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

body .theme-toggle:hover {
  background-color: var(--button-primary-bg);
  border-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  transform: translateY(-1px);
  box-shadow: 0 4px 12px rgba(122, 196, 136, 0.4);
}

body .theme-toggle svg {
  width: 22px;
  height: 22px;
  stroke: var(--button-primary-bg);
  transition: stroke var(--transition-fast);
}

body .theme-toggle:hover svg {
  stroke: var(--button-primary-text);
}

/* Show/hide icons based on theme */
body .theme-toggle .sun-icon {
  display: none;
}

body .theme-toggle .moon-icon {
  display: block;
}

:root[data-theme="dark"] body .theme-toggle .sun-icon {
  display: block;
}

:root[data-theme="dark"] body .theme-toggle .moon-icon {
  display: none;
}

/* ============================================================================
   Error Page
   ============================================================================ */
.error-section {
  text-align: center;
  padding: var(--spacing-3xl);
}

.error-title {
  font-size: clamp(4rem, 10vw, 6rem);
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 var(--spacing-sm);
}

.error-subtitle {
  font-size: clamp(1.5rem, 4vw, 2rem);
  font-weight: 600;
  color: var(--text-secondary);
  margin: 0 0 var(--spacing-md);
}

.error-message {
  font-size: 1.125rem;
  color: var(--text-tertiary);
  margin: 0 0 var(--spacing-lg);
}

/* ============================================================================
   Accessibility - Skip Link
   ============================================================================ */
.skip-link {
  position: absolute;
  top: -9999px;
  left: -9999px;
  background-color: var(--button-primary-bg);
  color: var(--button-primary-text);
  padding: var(--spacing-sm) var(--spacing-md);
  text-decoration: none;
  border-radius: var(--radius-md);
  z-index: 10000;
}

.skip-link:focus {
  position: fixed;
  top: var(--spacing-sm);
  left: var(--spacing-sm);
}

/* ============================================================================
   Loading/Skeleton States
   ============================================================================ */
.skeleton {
  background: linear-gradient(90deg,
    var(--bg-secondary) 25%,
    var(--bg-tertiary) 50%,
    var(--bg-secondary) 75%
  );
  background-size: 200% 100%;
  animation: loading 1.5s infinite;
  border-radius: var(--radius-md);
}

@keyframes loading {
  0% { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ============================================================================
   Animations
   ============================================================================ */
@keyframes fadeIn {
  from {
    opacity: 0;
    transform: translateY(10px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.card-container > * {
  animation: fadeIn 0.5s ease-out backwards;
}

.card-container > *:nth-child(1) { animation-delay: 0.1s; }
.card-container > *:nth-child(2) { animation-delay: 0.2s; }
.card-container > *:nth-child(3) { animation-delay: 0.3s; }
.card-container > *:nth-child(4) { animation-delay: 0.4s; }
.card-container > *:nth-child(5) { animation-delay: 0.5s; }

/* ============================================================================
   Responsive Design
   ============================================================================ */
@media (max-width: 640px) {
  .card-container {
    padding: var(--spacing-md);
    gap: var(--spacing-md);
  }

  .hero-card {
    padding: var(--spacing-xl) var(--spacing-md);
  }

  .profile-photo,
  .profile-photo-placeholder {
    width: 120px;
    height: 120px;
  }

  .profile-initials {
    font-size: 2.5rem;
  }

  .contact-grid {
    max-width: 100%;
  }

  .contact-card {
    padding: var(--spacing-md);
  }

  .contact-icon {
    width: 40px;
    height: 40px;
  }

  .contact-icon svg {
    width: 20px;
    height: 20px;
  }

  .social-icon-link {
    width: 48px;
    height: 48px;
  }

  .social-icon-svg {
    width: 20px;
    height: 20px;
  }

  .theme-toggle {
    top: var(--spacing-sm);
    right: var(--spacing-sm);
    width: 40px;
    height: 40px;
  }
}

@media (min-width: 1024px) {
  .card-container {
    padding: var(--spacing-xl) var(--spacing-lg);
  }

  .hero-card {
    padding: var(--spacing-3xl) var(--spacing-2xl);
  }
}

/* ============================================================================
   Print Styles
   ============================================================================ */
@media print {
  .theme-toggle,
  .share-section {
    display: none;
  }

  .card-container {
    padding: 0;
  }

  .button {
    page-break-inside: avoid;
  }
}