/* CDC Data Portal - Interactive Features Styling */

/* Animation Base Classes */
.fade-element {
  opacity: 0;
  transform: translateY(20px);
  transition: none;
}

.fade-in-element {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

/* Header Interactions */
.header-scrolled {
  padding: 10px 0 !important;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.1) !important;
  transition: padding 0.3s ease, box-shadow 0.3s ease;
}

.nav-hover-effect {
  transform: translateY(-2px);
  transition: transform 0.2s ease;
}

/* Dataset Card Interactions */
.dataset-item, .recent-dataset-item, .popular-dataset-item {
  transition: transform 0.3s ease, box-shadow 0.3s ease;
  will-change: transform, box-shadow;
}

.dataset-hover, .recent-dataset-hover, .popular-dataset-hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

/* Ripple Effect */
.ripple {
  position: absolute;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.7);
  transform: scale(0);
  animation: ripple-animation 0.6s linear;
  pointer-events: none;
  z-index: 10;
}

@keyframes ripple-animation {
  to {
    transform: scale(2);
    opacity: 0;
  }
}

/* Loading Indicators */
.loading-spinner {
  width: 40px;
  height: 40px;
  margin: 20px auto;
  border: 3px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: var(--cdc-accent);
  animation: spin 1s ease-in-out infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

.search-loading::after {
  content: '';
  position: absolute;
  right: 55px;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 18px;
  border: 2px solid rgba(0, 0, 0, 0.1);
  border-radius: 50%;
  border-top-color: var(--cdc-accent);
  animation: spin 0.8s linear infinite;
}

/* Search Form Focus Effect */
.search-form-focused {
  box-shadow: 0 5px 25px rgba(0, 0, 0, 0.15);
  border-color: var(--cdc-accent);
  transition: box-shadow 0.3s ease, border-color 0.3s ease;
}

/* Search Suggestions */
.search-form {
  position: relative;
  z-index: 999999;
}

.search-suggestions {
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  z-index: 999999;
  background: white;
  border: 1px solid #ddd;
  border-top: none;
  border-radius: 0 0 4px 4px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
  max-height: 300px;
  overflow-y: auto;
  display: none;
  transform: translateZ(0);
  will-change: transform;
  margin-top: -1px;
}

.search-suggestions.visible {
  display: block;
}

.suggestions-loading,
.no-suggestions,
.suggestions-error {
  padding: 10px 15px;
  color: #666;
  font-size: 14px;
  text-align: center;
}

.suggestion-item {
  padding: 10px 15px;
  border-bottom: 1px solid #eee;
  cursor: pointer;
  transition: background-color 0.2s;
  position: relative;
  z-index: 999999;
}

.suggestion-item:last-child {
  border-bottom: none;
}

.suggestion-item:hover {
  background-color: #f5f5f5;
}

.suggestion-title {
  font-weight: bold;
  margin-bottom: 3px;
  color: #333;
}

.suggestion-org {
  font-size: 12px;
  color: #555;
}

.highlight {
  background-color: #ffffd8;
  font-weight: bold;
  padding: 0 2px;
}

.search-input-wrapper {
  position: relative;
  z-index: 999999;
  transform: translateZ(0);
  will-change: transform;
}

.search-form {
  position: relative;
  z-index: 999999;
  transform: translateZ(0);
  will-change: transform;
}

.search-input {
  position: relative;
  z-index: 999999;
}

/* Recent/Popular Datasets Styling */
.recent-datasets-container, .popular-datasets-container {
  margin-bottom: 30px;
}

.recent-datasets-list, .popular-datasets-list {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.recent-dataset-item, .popular-dataset-item {
  background-color: white;
  border-radius: 4px;
  padding: 15px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  transition: all 0.3s ease;
}

.recent-dataset-item h4, .popular-dataset-item h4 {
  margin-top: 0;
  margin-bottom: 8px;
  font-size: 1.1rem;
}

.recent-dataset-date {
  color: var(--cdc-secondary);
  font-size: 0.85rem;
  margin-bottom: 8px;
}

.recent-dataset-description, .popular-dataset-description {
  margin-bottom: 0;
  font-size: 0.9rem;
  line-height: 1.4;
  color: var(--cdc-text);
}

.popular-dataset-item {
  display: flex;
  align-items: flex-start;
}

.popular-dataset-rank {
  flex: 0 0 30px;
  width: 30px;
  height: 30px;
  background-color: var(--cdc-accent);
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 600;
  margin-right: 15px;
  font-size: 0.9rem;
}

.popular-dataset-content {
  flex: 1;
}

.popular-dataset-meta {
  display: flex;
  gap: 15px;
  margin-top: 8px;
  color: var(--cdc-secondary);
  font-size: 0.85rem;
}

.popular-dataset-views, .popular-dataset-resources {
  display: flex;
  align-items: center;
  gap: 5px;
}

.no-data, .error-message {
  color: var(--cdc-secondary);
  padding: 15px;
  text-align: center;
  background-color: var(--cdc-light-gray);
  border-radius: 4px;
}

.error-message {
  color: #d9534f;
  background-color: #f9e2e2;
}

/* Data Visualization Elements */
.data-visualization-container {
  margin: 30px 0;
}

.data-viz-header {
  margin-bottom: 20px;
}

.data-viz-header h3 {
  margin-bottom: 5px;
}

.data-viz-header p {
  color: var(--cdc-secondary);
  margin: 0;
}

.data-viz-chart {
  display: flex;
  flex-direction: column;
  gap: 15px;
}

.chart-bar-container {
  display: flex;
  align-items: center;
}

.chart-bar-label {
  flex: 0 0 150px;
  margin-right: 15px;
  text-align: right;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.chart-bar-wrapper {
  flex: 1;
  height: 30px;
  background-color: rgba(0, 0, 0, 0.05);
  border-radius: 4px;
  overflow: hidden;
}

.chart-bar {
  height: 100%;
  width: 0;
  background-color: var(--cdc-accent);
  position: relative;
  transition: width 1s ease-out;
}

.chart-bar-animated {
  transition: width 1s ease-out;
}

.chart-bar-count {
  position: absolute;
  right: 10px;
  top: 50%;
  transform: translateY(-50%);
  color: white;
  font-weight: 600;
  opacity: 0;
  animation: fadeIn 0.5s ease forwards;
  animation-delay: 0.5s;
}

/* Back to Top Button */
.back-to-top-btn {
  position: fixed;
  bottom: 20px;
  right: 20px;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background-color: var(--cdc-accent);
  color: white;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  z-index: 1000;
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s ease, transform 0.3s ease, visibility 0.3s ease, background-color 0.3s ease;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
}

.back-to-top-btn:hover {
  background-color: var(--cdc-dark-gray);
}

.show-back-to-top {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* Add transitions to all buttons for smoother interactions */
.btn, .btn:focus, .btn:active,
button, button:focus, button:active,
input[type="button"], input[type="button"]:focus, input[type="button"]:active,
input[type="submit"], input[type="submit"]:focus, input[type="submit"]:active {
  transition: all 0.3s ease !important;
}

.btn:hover, 
button:hover, 
input[type="button"]:hover, 
input[type="submit"]:hover {
  transform: translateY(-2px) !important;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1) !important;
}

.btn:active, 
button:active, 
input[type="button"]:active, 
input[type="submit"]:active {
  transform: translateY(0) !important;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1) !important;
}

/* Hero Banner Animation */
.hero-banner {
  position: relative;
  overflow: hidden;
}

.hero-content, .search-form {
  animation: slideUp 0.8s ease;
}

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

/* Data Categories Animation */
.data-categories a {
  transition: all 0.3s ease;
  will-change: transform, box-shadow;
}

.data-categories a:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
}

.data-categories a i {
  transition: all 0.3s ease;
}

.data-categories a:hover i {
  transform: scale(1.2);
}

/* Section Headings Animation */
.section-heading:after {
  transition: width 0.4s ease;
  width: 0;
}

.section-heading.fade-in-element:after {
  width: 50px;
}

/* Equal height for statistics and featured organization */
.row.stats-and-featured-row {
  display: flex;
  flex-wrap: wrap;
}

.row.stats-and-featured-row > [class*='col-'] {
  display: flex;
  flex-direction: column;
}

.row.stats-and-featured-row .box {
  flex: 1;
  display: flex;
  flex-direction: column;
  height: 100%;
  margin-bottom: 0;
}

/* Portal Statistics Styling */
.box.stats {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-bottom: 1.5rem;
}

.stat-item {
  text-align: center;
  padding: 1.2rem 1rem;
  background-color: var(--cdc-white);
  border-radius: 4px;
  transition: all 0.2s ease;
  box-shadow: 0 4px 10px var(--cdc-shadow);
}

.stat-number {
  display: block;
  font-size: 2.4rem;
  font-weight: 700;
  color: var(--cdc-accent);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.stat-label {
  display: block;
  color: var(--cdc-text);
  font-size: 0.95rem;
  font-weight: 500;
}

.stats-description {
  margin-top: auto;
  padding-top: 1rem;
  color: var(--cdc-secondary);
  font-size: 1rem;
}

/* Featured Organization Styling */
.featured-org {
  height: 100%;
}

.featured-org-card {
  display: flex;
  flex-direction: column;
  height: 100%;
}

.featured-org-header {
  display: flex;
  margin-bottom: 15px;
}

.featured-org-logo {
  margin-right: 15px;
  width: 80px;
  height: 80px;
  overflow: hidden;
  border-radius: 4px;
  border: 1px solid var(--cdc-gray);
  background-color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.3s ease;
}

.featured-org-logo:hover {
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  transform: translateY(-2px);
  border-color: var(--cdc-accent);
}

.featured-org-logo img {
  max-width: 100%;
  max-height: 100%;
  object-fit: contain;
}

.featured-org-meta {
  flex: 1;
}

.featured-org-meta h4 {
  margin-top: 0;
  margin-bottom: 8px;
}

.featured-org-datasets {
  color: var(--cdc-secondary);
  font-size: 0.9rem;
  display: flex;
  align-items: center;
  gap: 5px;
}

.featured-org-description {
  margin-bottom: 15px;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--cdc-text);
}

.featured-org-recent {
  margin-bottom: 20px;
}

.featured-org-recent h5 {
  font-size: 1rem;
  margin-bottom: 10px;
  color: var(--cdc-primary);
}

.featured-datasets-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.featured-datasets-list li {
  margin-bottom: 8px;
}

.featured-dataset-item {
  display: block;
  padding: 8px 12px;
  border-radius: 4px;
  transition: all 0.3s ease;
  background-color: var(--cdc-light-gray);
  color: var(--cdc-text);
  text-decoration: none;
  font-size: 0.9rem;
}

.featured-dataset-item:hover {
  background-color: var(--cdc-accent);
  color: white;
  transform: translateX(5px);
}

.featured-org-footer {
  margin-top: auto;
  padding-top: 15px;
}

/* Responsive Adjustments */
@media (max-width: 768px) {
  .chart-bar-label {
    flex: 0 0 100px;
    font-size: 0.9rem;
  }
  
  .back-to-top-btn {
    bottom: 10px;
    right: 10px;
  }
  
  .featured-org-header {
    flex-direction: column;
  }
  
  .featured-org-logo {
    margin-right: 0;
    margin-bottom: 15px;
    width: 100px;
    height: 100px;
  }
  
  .row.stats-and-featured-row {
    display: block;
  }
  
  .row.stats-and-featured-row > [class*='col-'] {
    display: block;
    margin-bottom: 20px;
  }
}

/* Support for prefered reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  
  .chart-bar, .fade-element, .fade-in-element, .chart-bar-animated {
    transition: none !important;
  }
  
  .btn:hover, button:hover, input[type="button"]:hover, input[type="submit"]:hover {
    transform: none !important;
  }
}