/**
 * Case Studies Widget CSS
 * Widget-specific styles only - common styles are in bugloos-design-system.css
 * 
 * Dependencies: 
 *   - bugloos-design-system.css must be loaded first
 *   - bugloos-parallax.js for parallax effects
 */

/* ===== CASE STUDIES WIDGET STYLES ===== */

.case-studies {
  position: relative;
  padding: var(--spacing-20) 0;
  background-color: var(--bugloos-white);
  overflow: hidden;
  scroll-behavior: auto; /* Prevent smooth scrolling interference */
}

/* ===== BACKGROUND ELEMENTS ===== */

.case-studies__bg-gradient {
  position: absolute;
  inset: 0;
  opacity: 0.08;
  background: radial-gradient(circle at 25% 15%, var(--bugloos-primary) 0%, transparent 40%), 
              radial-gradient(circle at 75% 75%, var(--bugloos-secondary) 0%, transparent 40%);
  will-change: transform;
  z-index: 1; /* Keep background behind all interactive elements */
  pointer-events: none; /* Ensure it doesn't block interactions */
}

/* ===== HEADER SECTION ===== */

.case-studies__header {
  position: relative;
  text-align: center;
  margin-bottom: var(--spacing-16);
  will-change: transform, opacity;
  z-index: 10; /* Above background */
}

.case-studies__title {
  font-size: var(--text-3xl);
  font-weight: var(--font-weight-bold);
  color: var(--bugloos-dark);
  margin-bottom: var(--spacing-4);
  line-height: var(--leading-tight);
}

.case-studies__description {
  font-size: var(--text-lg);
  color: var(--bugloos-gray-600);
  max-width: var(--max-width-prose);
  margin: 0 auto;
  line-height: var(--leading-relaxed);
}

/* Responsive header typography */
@media (min-width: 768px) {
  .case-studies__title {
    font-size: var(--text-4xl);
  }
}

/* ===== CASE STUDIES GRID ===== */

.case-studies__grid {
  position: relative;
  display: grid;
  gap: var(--spacing-8);
  margin-bottom: var(--spacing-12);
  z-index: 10; /* Above background */
}

.case-studies__grid.is-empty {
  grid-template-columns: 1fr !important;
}

.case-studies__grid.is-empty .case-studies__empty-state {
  opacity: 1;
  transition: opacity 0.3s ease-out;
}

@media (min-width: 768px) {
  .case-studies__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .case-studies__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ===== CASE STUDY CARDS ===== */

.case-studies__card {
  position: relative;
  background-color: var(--bugloos-white);
  border-radius: var(--radius-xl);
  border: 1px solid var(--bugloos-gray-200);
  overflow: hidden;
  transition: all var(--transition-normal);
  cursor: pointer;
  will-change: transform, opacity;
  opacity: 1;
  transform: translateY(0);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.case-studies__card a {
  dislay: contents;
}

.case-studies__card:hover {
  box-shadow: var(--shadow-2xl);
  transform: translateY(-8px);
}

/* Card background gradient for hover effect */
.case-studies__card-bg {
  position: absolute;
  inset: 0;
  opacity: 0;
  transition: opacity var(--transition-slow);
  will-change: transform, opacity;
}

.case-studies__card-bg--primary {
  background: linear-gradient(135deg, var(--bugloos-primary) 0%, transparent 70%);
}

.case-studies__card-bg--secondary {
  background: linear-gradient(135deg, var(--bugloos-secondary) 0%, transparent 70%);
}

.case-studies__card:hover .case-studies__card-bg {
  opacity: 0.1;
}

/* ===== CARD IMAGE ===== */

.case-studies__image-container {
  position: relative;
  height: 12rem;
  overflow: hidden;
  will-change: transform;
}

.case-studies__image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.7s ease-out;
}

.case-studies__card:hover .case-studies__image {
  transform: scale(1.1);
  filter: brightness(1.1);
}

.case-studies__image-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.2), transparent);
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.case-studies__card:hover .case-studies__image-overlay {
  opacity: 1;
}

/* ===== TAGS OVERLAY ===== */

.case-studies__tags {
  position: absolute;
  bottom: var(--spacing-4);
  left: var(--spacing-4);
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
  z-index: 10;
}

.case-studies__tag {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(4px);
  color: var(--bugloos-gray-800);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: 9999px;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.2);
  transition: all var(--transition-normal);
  will-change: transform, opacity;
}

/* Tag hover effects */
.case-studies__tag:hover {
  background-color: rgba(255, 255, 255, 0.95);
  transform: translateY(-1px);
  box-shadow: 0 6px 10px -1px rgba(0, 0, 0, 0.15), 0 4px 6px -1px rgba(0, 0, 0, 0.1);
}

/* ===== CARD CONTENT ===== */

.case-studies__content {
  position: relative;
  padding: var(--spacing-6);
  will-change: transform;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}

.case-studies__date {
  display: block;
  font-size: var(--text-sm);
  color: var(--bugloos-gray-500);
  margin-bottom: var(--spacing-2);
}

.case-studies__card-title {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-bold);
  color: var(--bugloos-dark);
  margin-bottom: var(--spacing-3);
  margin-top: var(--spacing-3);
  transition: color var(--transition-normal);
  line-height: var(--leading-tight);
}

.case-studies__card:hover .case-studies__card-title {
  color: var(--bugloos-primary);
}

.case-studies__card-description {
  color: var(--bugloos-gray-600);
  margin-bottom: var(--spacing-6);
  line-height: var(--leading-relaxed);
}

/* ===== CARD DETAILS ===== */

.case-studies__details {
  margin-bottom: var(--spacing-6);
}

.case-studies__detail {
  margin-bottom: var(--spacing-3);
}

.case-studies__detail:last-child {
  margin-bottom: 0;
}

.case-studies__detail-label {
  font-weight: var(--font-weight-semibold);
  color: var(--bugloos-gray-700);
}

.case-studies__detail-text {
  color: var(--bugloos-gray-600);
}

/* ===== READ MORE LINK ===== */

.case-studies__read-more {
  display: flex;
  align-items: center;
  color: var(--bugloos-dark);
  text-decoration: none;
  transition: color var(--transition-normal);
  margin-top: auto;
}

.case-studies__read-more:hover {
  color: var(--bugloos-primary);
}

.case-studies__read-more-text {
  font-weight: var(--font-weight-medium);
  margin-right: var(--spacing-2);
}

.case-studies__read-more-icon {
  width: 1rem;
  height: 1rem;
  transition: transform var(--transition-normal);
}

.case-studies__read-more:hover .case-studies__read-more-icon {
  transform: translateX(4px);
}

.case-studies__card:hover .case-studies__read-more {
  color: var(--bugloos-primary);
}

.case-studies__card:hover .case-studies__read-more-icon {
  transform: translateX(4px);
}

/* ===== CTA SECTION ===== */

.case-studies__cta {
  text-align: center;
  will-change: transform, opacity;
}

.case-studies__view-all-btn {
  position: relative;
  overflow: hidden;
  background-color: var(--bugloos-gray-800);
  color: var(--bugloos-white);
  border-color: var(--bugloos-gray-800);
}

.case-studies__view-all-btn:hover {
  background-color: var(--bugloos-primary);
  border-color: var(--bugloos-primary);
  transform: scale(1.05);
}

.case-studies__btn-text {
  position: relative;
  z-index: 10;
}

.case-studies__btn-bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(to right, var(--bugloos-primary), var(--bugloos-secondary));
  opacity: 0;
  transition: opacity var(--transition-normal);
}

.case-studies__view-all-btn:hover .case-studies__btn-bg {
  opacity: 1;
}

/* High contrast mode support */
@media (prefers-contrast: high) {
  .case-studies__card {
    border-width: 2px;
  }
  
  .case-studies__card-title,
  .case-studies__read-more {
    font-weight: var(--font-weight-bold);
  }
}

/* Reduced motion support - handled by design system */
@media (prefers-reduced-motion: reduce) {
  .case-studies__card,
  .case-studies__image,
  .case-studies__read-more-icon,
  .case-studies__view-all-btn,
  .case-studies__tag {
    transition: none !important;
    transform: none !important;
  }
  
  .case-studies__card:hover,
  .case-studies__tag:hover {
    transform: none !important;
  }
}

/* ===== RESPONSIVE ADJUSTMENTS ===== */

@media (max-width: 767px) {
  .case-studies {
    padding: var(--spacing-16) 0;
  }
  
  .case-studies__header {
    margin-bottom: var(--spacing-12);
  }
  
  /* Adjust tags on mobile */
  .case-studies__tags {
    bottom: var(--spacing-3);
    left: var(--spacing-3);
    gap: var(--spacing-1);
  }
  
  .case-studies__tag {
    padding: calc(var(--spacing-1) * 0.75) var(--spacing-2);
    font-size: var(--text-xs);
  }
}

@media (min-width: 768px) {
  .case-studies__content {
    padding: var(--spacing-6);
  }
}

/* ===== FILTER SECTION ===== */

.case-studies__filter-section {
  position: relative;
  margin-bottom: var(--spacing-12);
  padding: var(--spacing-6) 0 0;
  z-index: 20; /* Above background and content */
}

.case-studies__filter-controls {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-6);
  align-items: flex-start;
  margin-bottom: var(--spacing-6);
}

.case-studies__filter-group {
  display: flex;
  flex-direction: column;
  gap: var(--spacing-4);
  width: 100%;
}

.case-studies__filter-control {
  min-width: 200px;
  width: 200px; /* Fixed width for consistency */
}

.case-studies__results-count {
  font-weight: var(--font-weight-medium);
  color: var(--bugloos-gray-600);
  font-size: var(--text-base);
}

@media (min-width: 768px) {
  .case-studies__filter-controls {
    flex-direction: row;
    justify-content: space-between;
    align-items: center;
  }
  
  .case-studies__filter-group {
    flex-direction: row;
    gap: var(--spacing-4);
    width: auto;
  }
}

/* ===== TOM SELECT CUSTOM STYLING ===== */

/* Tom Select Control Styling - Match Radix UI */
.case-studies__select.ts-wrapper .ts-control {
  background-color: var(--bugloos-white) !important;
  border: 2px solid var(--bugloos-gray-200) !important;
  border-radius: var(--radius-lg) !important;
  padding: var(--spacing-2) var(--spacing-4) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-family-primary) !important;
  color: var(--bugloos-gray-800) !important;
  cursor: pointer !important;
  transition: all var(--transition-normal) !important;
  min-height: 36px !important;
  box-shadow: none !important;
}

.case-studies__select.ts-wrapper .ts-control:hover {
  border-color: var(--bugloos-primary) !important;
}

.case-studies__select.ts-wrapper.focus .ts-control,
.case-studies__select.ts-wrapper .ts-control:focus {
  border-color: var(--bugloos-primary) !important;
  box-shadow: none !important;
  outline: none !important;
}

/* Input styling */
.case-studies__select.ts-wrapper .ts-control input {
  color: var(--bugloos-gray-800) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-family-primary) !important;
}

/* Placeholder styling */
.case-studies__select.ts-wrapper .ts-control input::placeholder {
  color: var(--bugloos-gray-500) !important;
}

/* Dropdown arrow */
.case-studies__select.ts-wrapper .ts-control::after {
  content: '' !important;
  position: absolute !important;
  right: var(--spacing-3) !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  width: 12px !important;
  height: 12px !important;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23666' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E") !important;
  background-repeat: no-repeat !important;
  background-position: center !important;
  background-size: contain !important;
  pointer-events: none !important;
  transition: transform var(--transition-normal) !important;
}

.case-studies__select.ts-wrapper.dropdown-active .ts-control::after {
  transform: translateY(-50%) rotate(180deg) !important;
}

/* Dropdown styling - Match Radix UI */
.case-studies__select.ts-wrapper .ts-dropdown {
  background-color: var(--bugloos-white) !important;
  border: 2px solid var(--bugloos-gray-200) !important;
  border-radius: var(--radius-md) !important;
  box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05) !important;
  margin-top: var(--spacing-1) !important;
  z-index: 1000 !important;
}

/* Option styling */
.case-studies__select.ts-wrapper .ts-dropdown .ts-option {
  padding: var(--spacing-2) var(--spacing-4) !important;
  font-size: var(--text-base) !important;
  font-family: var(--font-family-primary) !important;
  color: var(--bugloos-gray-800) !important;
  cursor: pointer !important;
  border-radius: 0 !important;
  transition: all var(--transition-fast) !important;
}

.case-studies__select.ts-wrapper .ts-dropdown .ts-option:hover,
.case-studies__select.ts-wrapper .ts-dropdown .ts-option.active {
  background-color: var(--bugloos-gray-50) !important;
  color: var(--bugloos-gray-900) !important;
}

.case-studies__select.ts-wrapper .ts-dropdown .ts-option.selected {
  background-color: var(--bugloos-primary) !important;
  color: var(--bugloos-white) !important;
}

/* Remove default Tom Select styling that conflicts */
.case-studies__select.ts-wrapper .ts-control,
.case-studies__select.ts-wrapper .ts-dropdown {
  border-color: var(--bugloos-gray-200) !important;
}

/* Ensure proper width */
.case-studies__select.ts-wrapper {
  width: 100% !important;
}

/* ===== ACTIVE FILTERS ===== */

.case-studies__active-filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--spacing-3);
  margin-top: var(--spacing-4);
}

.case-studies__active-filters-label {
  font-weight: var(--font-weight-medium);
  color: var(--bugloos-gray-700);
  font-size: var(--text-sm);
  white-space: nowrap;
}

.case-studies__active-filters-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--spacing-2);
}

.case-studies__active-filter {
  display: inline-flex;
  align-items: center;
  gap: var(--spacing-2);
  background-color: rgba(99, 195, 209, 0.1);
  border: 1px solid rgba(99, 195, 209, 0.3);
  color: var(--bugloos-dark);
  padding: var(--spacing-1) var(--spacing-3);
  border-radius: 9999px;
  font-size: var(--text-sm);
  font-weight: var(--font-weight-medium);
  transition: all var(--transition-normal);
}

.case-studies__active-filter:hover {
  background-color: rgba(99, 195, 209, 0.2);
  transform: translateY(-1px);
}

.case-studies__active-filter-remove {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 12px;
  height: 12px;
  background: none;
  border: none;
  cursor: pointer;
  color: var(--bugloos-dark);
  transition: all var(--transition-normal);
  padding: 0;
  border-radius: 50%;
  margin-left: var(--spacing-1);
}

.case-studies__active-filter-remove:hover {
  color: #dc2626;
  transform: scale(1.1);
}

.case-studies__active-filter-remove svg {
  width: 12px;
  height: 12px;
}

/* ===== PAGINATION ===== */

.case-studies__pagination {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  gap: var(--spacing-1);
  margin: var(--spacing-16) auto 0;
  font-family: var(--font-family-primary);
  z-index: 20; /* Above background and content */
  scroll-behavior: auto; /* Prevent smooth scrolling from interfering */
  background-color: var(--bugloos-white);
  border-radius: var(--radius-lg);
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
  overflow: hidden;
  border: 1px solid var(--bugloos-gray-200);
  padding: var(--spacing-1);
  width: fit-content;
}

.case-studies__pagination-btn,
.case-studies__pagination-number {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: var(--spacing-3) var(--spacing-4);
  border: none;
  background-color: transparent;
  color: var(--bugloos-gray-700);
  font-size: var(--text-base);
  font-weight: var(--font-weight-normal);
  text-decoration: none;
  cursor: pointer;
  transition: all 0.2s ease;
  user-select: none;
  border-radius: var(--radius-md);
}

.case-studies__pagination-btn:hover:not(:disabled),
.case-studies__pagination-number:hover:not(.case-studies__pagination-number--active) {
  background-color: var(--bugloos-gray-50);
}

.case-studies__pagination-btn:focus,
.case-studies__pagination-number:focus {
  outline: none;
  box-shadow: 0 0 0 2px var(--bugloos-primary);
  z-index: 10;
  position: relative;
  scroll-margin: 0; /* Prevent scroll adjustment on focus */
}

.case-studies__pagination-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
  color: var(--bugloos-gray-400);
}

.case-studies__pagination-numbers {
  display: flex;
  align-items: center;
  gap: var(--spacing-1);
}

.case-studies__pagination-number {
  min-width: 42px;
}

.case-studies__pagination-number--active {
  background-color: var(--bugloos-gray-800);
  color: var(--bugloos-white);
  cursor: default;
}

.case-studies__pagination-number--active:hover {
  background-color: var(--bugloos-gray-800);
}

/* ===== FILTERABLE MODIFICATIONS ===== */

.case-studies--filterable .case-studies__header {
  margin-bottom: var(--spacing-8);
}

/* Card animations for filtering */

.case-studies__card--hidden {
  opacity: 0;
  transform: translateY(20px) scale(0.95);
  pointer-events: none;
}

.case-studies__card--disappearing {
  opacity: 0;
  transform: scale(0.96);
  transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
  pointer-events: none;
  /* Prevent layout shift by maintaining space */
  transform-origin: center center;
}

.case-studies__card--appearing {
  opacity: 0;
  transform: translateY(15px) scale(0.98);
  transition: all 0.4s cubic-bezier(0.34, 1.56, 0.64, 1);
}

.case-studies__card--appearing.case-studies__card--show {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.case-studies__card--filtering {
  transition: all 0.3s ease-out;
}

/* Empty state */
.case-studies__empty-state {
  text-align: center;
  padding: var(--spacing-20) var(--spacing-4);
  color: var(--bugloos-gray-500);
  min-height: 520px;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 0.3s ease-out;
}

.case-studies__empty-state h3 {
  font-size: var(--text-xl);
  font-weight: var(--font-weight-semibold);
  color: var(--bugloos-gray-700);
  margin-bottom: var(--spacing-2);
}

.case-studies__empty-state p {
  font-size: var(--text-base);
  line-height: var(--leading-relaxed);
  max-width: 400px;
  margin: 0 auto;
}

/* ===== LOADING STATES ===== */

.case-studies__loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: var(--spacing-12);
  color: var(--bugloos-gray-500);
}

.case-studies__spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 2px solid var(--bugloos-gray-200);
  border-radius: 50%;
  border-top-color: var(--bugloos-primary);
  animation: spin 1s ease-in-out infinite;
  margin-right: var(--spacing-3);
}

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

/* ===== RESPONSIVE ADJUSTMENTS FOR FILTERS ===== */

@media (max-width: 767px) {
  .case-studies__filter-section {
    padding: var(--spacing-4) 0;
    margin-bottom: var(--spacing-2);
  }
  
  .case-studies__filter-controls {
    gap: var(--spacing-4);
  }
  
  .case-studies__filter-control {
    width: 100%; /* Full width on mobile */
    min-width: auto;
  }
  
  .case-studies__select {
    font-size: var(--text-sm);
    padding: var(--spacing-2-5) var(--spacing-3);
  }
  
  .case-studies__active-filters {
    padding: var(--spacing-3);
  }
  
  .case-studies__pagination {
    flex-wrap: wrap;
    gap: var(--spacing-2);
  }
  
  .case-studies__pagination-btn,
  .case-studies__pagination-number {
    min-height: 40px;
    padding: var(--spacing-2-5) var(--spacing-3);
    font-size: var(--text-sm);
  }
}

/* ===== HIGH CONTRAST MODE SUPPORT ===== */

@media (prefers-contrast: high) {
  .case-studies__select {
    border-width: 2px;
  }
  
  .case-studies__active-filter {
    border-width: 2px;
  }
  
  .case-studies__pagination-btn,
  .case-studies__pagination-number {
    border-width: 2px;
  }
}

/* ===== REDUCED MOTION SUPPORT ===== */

@media (prefers-reduced-motion: reduce) {
  .case-studies__card--hidden,
  .case-studies__card--filtering,
  .case-studies__active-filter,
  .case-studies__spinner {
    transition: none !important;
    animation: none !important;
  }
}

/* ===== PRINT STYLES ===== */

@media print {
  .case-studies__bg-gradient,
  .case-studies__filter-section,
  .case-studies__pagination {
    display: none;
  }
  
  .case-studies__card {
    break-inside: avoid;
    box-shadow: none;
    border: 1px solid var(--bugloos-gray-300);
  }
  
  .case-studies__card--hidden {
    display: none;
  }
}