/* Component-specific styles for Thermal Grid Design System */

/* Article Card Animations */
.article-card {
  position: relative;
  overflow: hidden;
}

.article-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(201, 123, 99, 0.1), transparent);
  transition: left 0.5s ease;
}

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

/* Enhanced Navigation States */
.nav-item.dropdown::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--terracotta);
  transition: width var(--transition-normal);
}

.nav-item.dropdown:hover::after {
  width: 80%;
}

/* Enhanced Button States */
.btn {
  position: relative;
  overflow: hidden;
}

.btn::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 0;
  height: 0;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.3s ease, height 0.3s ease;
}

.btn:hover::before {
  width: 300px;
  height: 300px;
}

/* Thermal Grid Enhancements */
.thermal-grid-overlay .grid-cell:nth-child(odd) {
  animation-direction: alternate;
}

.thermal-grid-overlay .grid-cell:nth-child(even) {
  animation-direction: alternate-reverse;
}

/* Enhanced Card Interactions */
.stat-card::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, var(--terracotta), var(--graphit), var(--terracotta));
  border-radius: var(--card-radius);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.stat-card:hover::before {
  opacity: 0.3;
}

/* Section Dividers */
section:not(:last-child)::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--terracotta), transparent);
  opacity: 0.3;
}

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

::-webkit-scrollbar-track {
  background: var(--creme);
}

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

::-webkit-scrollbar-thumb:hover {
  background: var(--graphit);
}

/* Focus States for Accessibility */
button:focus,
input:focus,
a:focus {
  outline: 2px solid var(--terracotta);
  outline-offset: 2px;
}

/* Enhanced Loading States */
.loading-shimmer {
  background: linear-gradient(90deg, #f0f0f0 25%, #e0e0e0 50%, #f0f0f0 75%);
  background-size: 200% 100%;
  animation: shimmer 1.5s infinite;
}

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

/* Form Enhancements */
.form-success {
  background: #d4edda;
  color: #155724;
  padding: var(--space-3);
  border-radius: 8px;
  margin-top: var(--space-3);
  border: 1px solid #c3e6cb;
}

.form-error {
  background: #f8d7da;
  color: #721c24;
  padding: var(--space-3);
  border-radius: 8px;
  margin-top: var(--space-3);
  border: 1px solid #f5c6cb;
}

/* Thermal Visualization Elements */
.thermal-heatmap {
  position: relative;
  overflow: hidden;
}

.thermal-heatmap::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at var(--mouse-x, 50%) var(--mouse-y, 50%), 
    rgba(201, 123, 99, 0.1) 0%, 
    transparent 50%);
  pointer-events: none;
  transition: all 0.3s ease;
}

/* Enhanced Typography */
.text-gradient {
  background: linear-gradient(135deg, var(--terracotta), var(--graphit));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-shadow {
  text-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
}

/* Interactive Elements */
.interactive-card {
  cursor: pointer;
  transition: all var(--transition-normal);
  position: relative;
}

.interactive-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(201, 123, 99, 0.05);
  opacity: 0;
  transition: opacity var(--transition-fast);
  pointer-events: none;
}

.interactive-card:hover::after {
  opacity: 1;
}

/* Skill Bars for Stats */
.skill-bar {
  background: rgba(255, 255, 255, 0.1);
  height: 8px;
  border-radius: 4px;
  overflow: hidden;
  margin: var(--space-4) 0;
}

.skill-progress {
  height: 100%;
  background: linear-gradient(90deg, var(--terracotta), var(--graphit));
  width: 0;
  transition: width 1s ease;
  border-radius: 4px;
}

/* Progress Indicators */
.progress-ring {
  position: relative;
  display: inline-block;
}

.progress-ring svg {
  transform: rotate(-90deg);
}

.progress-ring-circle {
  transition: stroke-dasharray 0.5s ease;
}

/* Badge Animations */
.badge {
  position: relative;
  overflow: hidden;
}

.badge::before {
  content: '';
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  background: linear-gradient(45deg, transparent, rgba(255, 255, 255, 0.1), transparent);
  z-index: -1;
  opacity: 0;
  transition: opacity var(--transition-fast);
}

.badge:hover::before {
  opacity: 1;
}

/* Tooltip Styles */
.tooltip {
  position: relative;
}

.tooltip::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--graphit);
  color: white;
  padding: var(--space-2) var(--space-3);
  border-radius: 6px;
  font-size: var(--text-xs);
  white-space: nowrap;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-fast);
  z-index: 1000;
}

.tooltip:hover::after {
  opacity: 1;
  visibility: visible;
  transform: translateX(-50%) translateY(-5px);
}

/* Energy Efficiency Indicators */
.efficiency-high {
  position: relative;
}

.efficiency-high::before {
  content: 'A++';
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: #28a745;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.efficiency-medium::before {
  content: 'A+';
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: #ffc107;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
}

.efficiency-low::before {
  content: 'B';
  position: absolute;
  top: var(--space-2);
  right: var(--space-2);
  background: #fd7e14;
  color: white;
  padding: 2px 6px;
  border-radius: 4px;
  font-size: var(--text-xs);
  font-weight: 600;
}

/* Material Icons Enhancement */
.material-icon {
  display: inline-block;
  vertical-align: middle;
}

.material-icon svg {
  width: 1em;
  height: 1em;
}

/* Enhanced Grid Layouts */
.masonry-grid {
  column-count: 3;
  column-gap: var(--space-6);
  column-fill: balance;
}

.masonry-item {
  break-inside: avoid;
  margin-bottom: var(--space-6);
}

/* Performance Indicators */
.performance-meter {
  width: 100px;
  height: 8px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  overflow: hidden;
  position: relative;
}

.performance-fill {
  height: 100%;
  background: linear-gradient(90deg, #dc3545, #ffc107, #28a745);
  border-radius: 4px;
  transition: width 0.5s ease;
}

/* Cost Calculator Elements */
.cost-calculator {
  background: white;
  border-radius: var(--card-radius);
  padding: var(--space-8);
  box-shadow: var(--card-shadow);
  border: 1px solid rgba(201, 123, 99, 0.1);
}

.cost-input-group {
  margin-bottom: var(--space-6);
}

.cost-input-group label {
  display: block;
  margin-bottom: var(--space-2);
  font-weight: 600;
  color: var(--graphit);
}

.cost-input-group input,
.cost-input-group select {
  width: 100%;
  padding: var(--space-3);
  border: 1px solid rgba(167, 176, 189, 0.3);
  border-radius: 8px;
  font-size: var(--text-base);
  transition: border-color var(--transition-fast);
}

.cost-input-group input:focus,
.cost-input-group select:focus {
  outline: none;
  border-color: var(--terracotta);
}

.cost-result {
  background: linear-gradient(135deg, var(--terracotta), var(--graphit));
  color: white;
  padding: var(--space-6);
  border-radius: var(--card-radius);
  text-align: center;
  margin-top: var(--space-6);
}

.cost-result h3 {
  color: white;
  margin-bottom: var(--space-2);
}

.cost-amount {
  font-size: var(--text-4xl);
  font-weight: 700;
  margin-bottom: var(--space-2);
}

/* Navigation Enhancement */
.nav-enhanced {
  background: rgba(245, 242, 234, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(201, 123, 99, 0.1);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

.nav-scrolled {
  background: rgba(245, 242, 234, 0.95);
  box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

/* Content Animation Classes */
.fade-in {
  animation: fadeIn 0.6s ease;
}

.slide-up {
  animation: slideUp 0.6s ease;
}

.slide-in-left {
  animation: slideInLeft 0.6s ease;
}

.slide-in-right {
  animation: slideInRight 0.6s ease;
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes slideUp {
  from { opacity: 0; transform: translateY(30px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes slideInLeft {
  from { opacity: 0; transform: translateX(-30px); }
  to { opacity: 1; transform: translateX(0); }
}

@keyframes slideInRight {
  from { opacity: 0; transform: translateX(30px); }
  to { opacity: 1; transform: translateX(0); }
}