/* Trend Cards Specific Styles */

.trend-card {
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
  border: 1px solid rgba(0, 0, 0, 0.1);
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.trend-card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
  border-color: var(--primary-color);
}

.trend-card .card-body {
  padding: 1.5rem;
  position: relative;
  z-index: 2;
}

.trend-card .card-title a {
  color: var(--dark-color);
  text-decoration: none;
  font-weight: 600;
  transition: color 0.3s ease;
  display: block;
  line-height: 1.3;
}

.trend-card .card-title a:hover {
  color: var(--primary-color);
}

.trend-card .card-text {
  font-size: 0.95rem;
  line-height: 1.6;
  color: #6c757d;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  min-height: 4.8rem;
}

/* Trend Score Badge */
.trend-card .badge {
  position: relative;
  font-size: 0.85rem;
  font-weight: 600;
  padding: 0.5rem 0.75rem;
  border-radius: 50px;
  background: linear-gradient(135deg, var(--primary-color) 0%, #0b5ed7 100%);
  box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0% {
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
  }
  50% {
    box-shadow: 0 4px 16px rgba(13, 110, 253, 0.5);
  }
  100% {
    box-shadow: 0 4px 8px rgba(13, 110, 253, 0.3);
  }
}

/* Stats Row */
.trend-card .row.text-center {
  background: rgba(248, 249, 250, 0.8);
  border-radius: 0.5rem;
  padding: 0.75rem 0;
  margin: 0 -0.5rem;
}

.trend-card .row.text-center strong {
  font-size: 1.1rem;
  font-weight: 700;
}

.trend-card .row.text-center small {
  font-size: 0.8rem;
  font-weight: 500;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Mini Chart Container */
.trend-mini-chart {
  background: rgba(25, 135, 84, 0.05);
  border-radius: 0.375rem;
  padding: 0.5rem;
  border: 1px solid rgba(25, 135, 84, 0.1);
}

/* Card Footer */
.trend-card .d-flex.justify-content-between {
  padding-top: 1rem;
  border-top: 1px solid rgba(0, 0, 0, 0.1);
}

.trend-card .btn-outline-primary {
  font-size: 0.85rem;
  font-weight: 500;
  padding: 0.4rem 0.8rem;
  border-width: 1.5px;
  transition: all 0.3s ease;
}

.trend-card .btn-outline-primary:hover {
  background: var(--primary-color);
  border-color: var(--primary-color);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(13, 110, 253, 0.4);
}

/* Hover Overlay */
.card-hover-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(13, 110, 253, 0.95) 0%, rgba(11, 94, 215, 0.95) 100%);
  color: white;
  opacity: 0;
  visibility: hidden;
  transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
  text-align: center;
  z-index: 3;
}

.trend-card:hover .card-hover-overlay {
  opacity: 1;
  visibility: visible;
}

.hover-content h6 {
  font-weight: 600;
  margin-bottom: 1rem;
  color: white;
}

.hover-content p {
  font-size: 0.9rem;
  line-height: 1.5;
  color: rgba(255, 255, 255, 0.9);
}

.hover-content .btn {
  background: white;
  color: var(--primary-color);
  border: none;
  font-weight: 600;
  transition: all 0.3s ease;
}

.hover-content .btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
}

/* Card States */
.trend-card.loading {
  pointer-events: none;
  opacity: 0.7;
}

.trend-card.loading::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  width: 2rem;
  height: 2rem;
  margin: -1rem 0 0 -1rem;
  border: 3px solid rgba(13, 110, 253, 0.3);
  border-top: 3px solid var(--primary-color);
  border-radius: 50%;
  animation: spin 1s linear infinite;
  z-index: 4;
}

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

/* New/Updated Indicators */
.trend-card.new-trend::before {
  content: 'NEW';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--success-color);
  color: white;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  z-index: 2;
  animation: bounce 1s ease-in-out;
}

.trend-card.updated-trend::before {
  content: 'UPDATED';
  position: absolute;
  top: 1rem;
  right: 1rem;
  background: var(--warning-color);
  color: var(--dark-color);
  font-size: 0.7rem;
  font-weight: 700;
  padding: 0.25rem 0.5rem;
  border-radius: 0.25rem;
  z-index: 2;
}

@keyframes bounce {
  0%, 20%, 50%, 80%, 100% {
    transform: translateY(0);
  }
  40% {
    transform: translateY(-5px);
  }
  60% {
    transform: translateY(-3px);
  }
}

/* Trend Score Categories */
.trend-card[data-score="high"] .badge {
  background: linear-gradient(135deg, var(--success-color) 0%, #157347 100%);
  box-shadow: 0 4px 8px rgba(25, 135, 84, 0.3);
}

.trend-card[data-score="medium"] .badge {
  background: linear-gradient(135deg, var(--warning-color) 0%, #e0a800 100%);
  color: var(--dark-color);
  box-shadow: 0 4px 8px rgba(255, 193, 7, 0.3);
}

.trend-card[data-score="low"] .badge {
  background: linear-gradient(135deg, var(--secondary-color) 0%, #5a6268 100%);
  box-shadow: 0 4px 8px rgba(108, 117, 125, 0.3);
}

/* Responsive Design for Trend Cards */
@media (max-width: 1400px) {
  .trend-card .card-body {
    padding: 1.25rem;
  }
}

@media (max-width: 992px) {
  .trend-card {
    margin-bottom: 1.5rem;
  }
  
  .trend-card:hover {
    transform: translateY(-4px) scale(1.01);
  }
}

@media (max-width: 768px) {
  .trend-card .card-body {
    padding: 1rem;
  }
  
  .trend-card .card-text {
    min-height: 3.6rem;
    -webkit-line-clamp: 2;
  }
  
  .card-hover-overlay {
    display: none;
  }
  
  .trend-card:hover {
    transform: translateY(-2px);
  }
}

@media (max-width: 576px) {
  .trend-card .row.text-center {
    padding: 0.5rem 0;
  }
  
  .trend-card .row.text-center strong {
    font-size: 1rem;
  }
  
  .trend-card .row.text-center small {
    font-size: 0.75rem;
  }
  
  .trend-card .btn-outline-primary {
    font-size: 0.8rem;
    padding: 0.3rem 0.6rem;
  }
}

/* Dark Theme Support */
@media (prefers-color-scheme: dark) {
  .trend-card {
    background: linear-gradient(135deg, #2d3748 0%, #1a202c 100%);
    border-color: rgba(255, 255, 255, 0.1);
    color: #e2e8f0;
  }
  
  .trend-card .card-title a {
    color: #e2e8f0;
  }
  
  .trend-card .card-text {
    color: #a0aec0;
  }
  
  .trend-card .row.text-center {
    background: rgba(45, 55, 72, 0.8);
  }
}

/* Print Styles for Trend Cards */
@media print {
  .trend-card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid #ccc;
    background: white;
    margin-bottom: 1rem;
  }
  
  .card-hover-overlay,
  .trend-card .btn {
    display: none;
  }
  
  .trend-card .badge {
    color: #000;
    background: #f0f0f0;
    box-shadow: none;
  }
}