/* ContentCraft Pro Custom Styles */

/* Brand Colors as CSS Variables */
:root {
  --brand-primary: #1e40af;
  --brand-secondary: #374151;
  --brand-accent: #dc2626;
  --brand-success: #059669;
  --brand-warning: #d97706;
  --brand-light: #f8fafc;
  --brand-dark: #0f172a;
}

/* Utility Classes */
.brand-primary { color: var(--brand-primary) !important; }
.brand-secondary { color: var(--brand-secondary) !important; }
.brand-accent { color: var(--brand-accent) !important; }
.brand-dark { color: var(--brand-dark) !important; }

.bg-brand-primary { background-color: var(--brand-primary) !important; }
.bg-brand-secondary { background-color: var(--brand-secondary) !important; }
.bg-brand-accent { background-color: var(--brand-accent) !important; }

.border-brand-primary { border-color: var(--brand-primary) !important; }
.border-brand-secondary { border-color: var(--brand-secondary) !important; }
.border-brand-accent { border-color: var(--brand-accent) !important; }

.gradient-brand {
  background: linear-gradient(135deg, var(--brand-primary) 0%, var(--brand-secondary) 100%) !important;
}

.gradient-accent {
  background: linear-gradient(135deg, var(--brand-accent) 0%, var(--brand-primary) 100%) !important;
}

/* Animations */
@keyframes spin {
  0% { transform: rotate(0deg); }
  100% { transform: rotate(360deg); }
}

@keyframes fadeIn {
  from { 
    opacity: 0; 
    transform: translateY(20px); 
  }
  to { 
    opacity: 1; 
    transform: translateY(0); 
  }
}

@keyframes slideUp {
  from { 
    transform: translateY(10px); 
    opacity: 0; 
  }
  to { 
    transform: translateY(0); 
    opacity: 1; 
  }
}

@keyframes pulse {
  0%, 100% { transform: scale(1); }
  50% { transform: scale(1.05); }
}

@keyframes shimmer {
  0% { background-position: -200px 0; }
  100% { background-position: calc(200px + 100%) 0; }
}

.spinner { 
  animation: spin 1s linear infinite; 
}

.fade-in { 
  animation: fadeIn 0.5s ease-in; 
}

.slide-up { 
  animation: slideUp 0.3s ease-out; 
}

.pulse-hover:hover {
  animation: pulse 0.3s ease-in-out;
}

/* Loading Skeleton */
.loading-skeleton {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200px 100%;
  animation: shimmer 1.2s ease-in-out infinite;
}

/* Enhanced Form Styling */
.form-input {
  transition: all 0.3s ease;
  border: 2px solid #e5e7eb;
}

.form-input:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
  outline: none;
}

.form-input:invalid {
  border-color: var(--brand-accent);
}

.form-input:valid {
  border-color: var(--brand-success);
}

/* Button Enhancements */
.btn-primary {
  background: var(--brand-primary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-primary:hover {
  background: #1d4ed8;
  transform: translateY(-2px);
  box-shadow: 0 10px 25px rgba(30, 64, 175, 0.3);
}

.btn-primary:active {
  transform: translateY(0);
}

.btn-primary:disabled {
  background: #9ca3af;
  cursor: not-allowed;
  transform: none;
  box-shadow: none;
}

.btn-secondary {
  background: var(--brand-secondary);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: #4b5563;
  transform: translateY(-2px);
}

.btn-accent {
  background: var(--brand-accent);
  color: white;
  border: none;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  transition: all 0.3s ease;
  cursor: pointer;
}

.btn-accent:hover {
  background: #ef4444;
  transform: translateY(-2px);
}

/* Card Styling */
.content-card {
  background: white;
  border-radius: 1rem;
  padding: 1.5rem;
  box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.content-card:hover {
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
}

.content-card.selected {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

/* Topic Card Enhancements */
.topic-card {
  transition: all 0.3s ease;
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.topic-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(30, 64, 175, 0.1), transparent);
  transition: left 0.5s ease;
}

.topic-card:hover::before {
  left: 100%;
}

.topic-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

/* Badge Styling */
.badge {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

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

.badge-secondary {
  background-color: var(--brand-secondary);
  color: white;
}

.badge-accent {
  background-color: var(--brand-accent);
  color: white;
}

.badge-success {
  background-color: var(--brand-success);
  color: white;
}

.badge-warning {
  background-color: var(--brand-warning);
  color: white;
}

/* Toggle Switch Enhancements */
.toggle-switch {
  position: relative;
  transition: background-color 0.3s ease;
}

.toggle-switch:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2);
}

.toggle-switch span {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.toggle-switch:hover span {
  box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Alert Enhancements */
.alert {
  border-radius: 0.75rem;
  padding: 1rem 1.5rem;
  margin: 1rem 0;
  border-left: 4px solid;
  position: relative;
  overflow: hidden;
}

.alert::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
  animation: shimmer 2s ease-in-out;
}

.alert-success {
  background-color: #ecfdf5;
  border-color: var(--brand-success);
  color: #065f46;
}

.alert-error {
  background-color: #fef2f2;
  border-color: var(--brand-accent);
  color: #991b1b;
}

.alert-warning {
  background-color: #fffbeb;
  border-color: var(--brand-warning);
  color: #92400e;
}

.alert-info {
  background-color: #eff6ff;
  border-color: var(--brand-primary);
  color: #1e40af;
}

/* Content Display Enhancements */
.content-section {
  background: white;
  border-radius: 0.75rem;
  padding: 1.5rem;
  margin-bottom: 1rem;
  border: 1px solid #e5e7eb;
  transition: all 0.3s ease;
}

.content-section:hover {
  border-color: var(--brand-primary);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.1);
}

.content-section h4 {
  color: var(--brand-primary);
  margin-bottom: 1rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.content-section .copy-btn {
  padding: 0.25rem 0.75rem;
  font-size: 0.75rem;
  background: #f3f4f6;
  color: #374151;
  border: none;
  border-radius: 0.5rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.content-section .copy-btn:hover {
  background: #e5e7eb;
  transform: scale(1.05);
}

/* Hashtag Styling */
.hashtag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: var(--brand-primary);
  color: white;
  border-radius: 9999px;
  font-size: 0.875rem;
  font-weight: 500;
  margin: 0.25rem;
  cursor: pointer;
  transition: all 0.3s ease;
  text-decoration: none;
}

.hashtag:hover {
  background: #1d4ed8;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(30, 64, 175, 0.3);
}

/* SEO Keywords */
.seo-keyword {
  display: inline-block;
  padding: 0.25rem 0.75rem;
  background: #ecfdf5;
  color: var(--brand-success);
  border: 1px solid #a7f3d0;
  border-radius: 0.5rem;
  font-size: 0.75rem;
  margin: 0.125rem;
  cursor: pointer;
  transition: all 0.2s ease;
}

.seo-keyword:hover {
  background: #d1fae5;
  transform: scale(1.05);
}

/* Export Buttons */
.export-btn {
  display: inline-flex;
  align-items: center;
  padding: 0.75rem 1.5rem;
  border-radius: 0.75rem;
  font-weight: 600;
  text-decoration: none;
  transition: all 0.3s ease;
  margin: 0.25rem;
  cursor: pointer;
  border: none;
}

.export-btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.2);
}

.export-btn-txt {
  background: #4b5563;
  color: white;
}

.export-btn-txt:hover {
  background: #374151;
}

.export-btn-md {
  background: #3b82f6;
  color: white;
}

.export-btn-md:hover {
  background: #2563eb;
}

.export-btn-html {
  background: #f97316;
  color: white;
}

.export-btn-html:hover {
  background: #ea580c;
}

/* History Items */
.history-item {
  background: linear-gradient(to right, white, #f8fafc);
  border-radius: 1.5rem;
  padding: 2rem;
  border: 2px solid #e5e7eb;
  margin-bottom: 1.5rem;
  transition: all 0.3s ease;
}

.history-item:hover {
  box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  border-color: #d1d5db;
}

.history-item .metadata {
  display: flex;
  gap: 0.75rem;
  flex-wrap: wrap;
  margin-bottom: 1rem;
}

.history-item .metadata span {
  padding: 0.375rem 0.75rem;
  border-radius: 9999px;
  font-size: 0.75rem;
  font-weight: 500;
}

/* Responsive Enhancements */
@media (max-width: 768px) {
  .content-card {
    padding: 1rem;
  }
  
  .history-item {
    padding: 1.5rem;
  }
  
  .export-btn {
    padding: 0.5rem 1rem;
    font-size: 0.875rem;
  }
  
  .hashtag {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
  }
}

/* Tab Navigation Enhancements */
.tab-button {
  position: relative;
  overflow: hidden;
}

.tab-button::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--brand-primary);
  transform: scaleX(0);
  transition: transform 0.3s ease;
}

.tab-button.active::after {
  transform: scaleX(1);
}

/* Form Enhancements */
.form-group {
  margin-bottom: 1.5rem;
}

.form-label {
  display: block;
  font-weight: 600;
  color: var(--brand-dark);
  margin-bottom: 0.75rem;
  font-size: 0.875rem;
}

.form-select, .form-textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 0.75rem;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-select:focus, .form-textarea:focus {
  border-color: var(--brand-primary);
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
  outline: none;
}

/* Loading States */
.loading {
  opacity: 0.7;
  pointer-events: none;
}

.loading * {
  cursor: wait !important;
}

/* Scrollbar Styling */
::-webkit-scrollbar {
  width: 8px;
}

::-webkit-scrollbar-track {
  background: #f1f5f9;
}

::-webkit-scrollbar-thumb {
  background: var(--brand-primary);
  border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
  background: #1d4ed8;
}

/* Print Styles */
@media print {
  .no-print {
    display: none !important;
  }
  
  .content-section {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}

/* Dark Mode Support (for future implementation) */
@media (prefers-color-scheme: dark) {
  :root {
    --bg-primary: #0f172a;
    --bg-secondary: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
  }
}

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

.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;
}

/* Focus Indicators */
*:focus {
  outline: 2px solid var(--brand-primary);
  outline-offset: 2px;
}

button:focus, 
input:focus, 
select:focus, 
textarea:focus {
  outline: none;
  box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.2);
}

/* High Contrast Mode Support */
@media (prefers-contrast: high) {
  .content-card {
    border-width: 2px;
  }
  
  .badge {
    border: 2px solid currentColor;
  }
}

/* Custom Properties for Dynamic Theming */
.theme-blue {
  --brand-primary: #3b82f6;
  --brand-secondary: #1e40af;
}

.theme-green {
  --brand-primary: #10b981;
  --brand-secondary: #059669;
}

.theme-purple {
  --brand-primary: #8b5cf6;
  --brand-secondary: #7c3aed;
}

/* Performance Optimizations */
.will-change-transform {
  will-change: transform;
}

.will-change-opacity {
  will-change: opacity;
}

/* Smooth scrolling */
html {
  scroll-behavior: smooth;
}