/**
 * ScreenIT Screenings Page v2 - Mobile-First CSS
 * Touch-first interactions with desktop hover enhancement
 */

/* ==========================================================================
   CSS Custom Properties
   ========================================================================== */

:root {
  --s-bg-primary: #040408;
  --s-bg-secondary: #0a0a0f;
  --s-bg-card: #1a1a22;
  --s-bg-card-hover: #0f2922;

  --s-accent-teal: #0aaa8f;
  --s-accent-teal-dark: #099980;
  --s-accent-magenta: #d32194;
  --s-accent-magenta-dark: #b01d7d;

  --s-text-primary: #ffffff;
  --s-text-secondary: rgba(255, 255, 255, 0.7);
  --s-text-muted: rgba(255, 255, 255, 0.5);

  --s-border-subtle: rgba(255, 255, 255, 0.1);
  --s-border-accent: rgba(10, 170, 143, 0.4);

  --s-card-min-height: 200px;
  --s-card-min-width: 280px;
  --s-touch-target: 48px;

  --s-transition-fast: 0.2s ease;
  --s-transition-medium: 0.3s ease;
  --s-transition-flip: 0.4s ease;
}

/* ==========================================================================
   Filter Panel - Mobile First
   ========================================================================== */

.filter-panel {
  max-width: 1200px;
  margin: 0 auto 24px auto;
  padding: 0 16px;
}

/* Search */
.filter-search-wrapper {
  position: relative;
  margin-bottom: 16px;
}

.filter-search {
  width: 100%;
  padding: 14px 48px 14px 48px !important;
  border-radius: 28px;
  border: 2px solid var(--s-border-subtle);
  background: rgba(255, 255, 255, 0.03);
  color: var(--s-text-primary);
  font-size: 16px; /* Prevents iOS zoom */
  font-family: inherit;
  transition: var(--s-transition-medium);
  outline: none;
  -webkit-appearance: none;
}

.filter-search::placeholder {
  color: var(--s-text-muted);
}

.filter-search:focus {
  border-color: var(--s-accent-teal);
  background: rgba(10, 170, 143, 0.08);
  box-shadow: 0 0 0 4px rgba(10, 170, 143, 0.15);
}

.search-icon {
  position: absolute;
  left: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 20px;
  height: 20px;
  color: var(--s-text-muted);
  pointer-events: none;
}

.search-clear {
  position: absolute;
  right: 12px;
  top: 50%;
  transform: translateY(-50%);
  min-width: var(--s-touch-target);
  min-height: var(--s-touch-target);
  border-radius: 50%;
  border: none;
  background: transparent;
  color: var(--s-text-muted);
  cursor: pointer;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 0;
}

.search-clear.visible {
  display: flex;
}

.search-clear:hover,
.search-clear:focus {
  background: rgba(255, 255, 255, 0.1);
  color: var(--s-text-primary);
}

/* Category filters - horizontal scroll on mobile */
.filter-categories {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  margin-bottom: 12px;
}

.filter-categories::-webkit-scrollbar {
  display: none;
}

.filter-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 10px 16px;
  min-height: var(--s-touch-target);
  border-radius: 24px;
  border: 1px solid var(--s-border-accent);
  background: transparent;
  color: var(--s-accent-teal);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--s-transition-fast);
  white-space: nowrap;
  flex-shrink: 0;
}

.filter-btn:hover,
.filter-btn:focus {
  background: rgba(10, 170, 143, 0.15);
}

.filter-btn:focus-visible {
  outline: 3px solid var(--s-accent-teal);
  outline-offset: 2px;
}

.filter-btn.active {
  background: var(--s-accent-teal);
  color: #fff;
  border-color: var(--s-accent-teal);
}

/* Category-specific colors */
.filter-btn[data-filter="tbi"] { border-color: rgba(139, 92, 246, 0.4); color: #a78bfa; }
.filter-btn[data-filter="tbi"].active { background: #8b5cf6; color: #000; border-color: #8b5cf6; }

.filter-btn[data-filter="neuro"] { border-color: rgba(236, 72, 153, 0.4); color: #f472b6; }
.filter-btn[data-filter="neuro"].active { background: #ec4899; color: #000; border-color: #ec4899; }

.filter-btn[data-filter="perf"] { border-color: rgba(34, 197, 94, 0.4); color: #4ade80; }
.filter-btn[data-filter="perf"].active { background: #22c55e; color: #000; border-color: #22c55e; }

.filter-btn[data-filter="falls"] { border-color: rgba(59, 130, 246, 0.4); color: #60a5fa; }
.filter-btn[data-filter="falls"].active { background: #3b82f6; color: #fff; border-color: #3b82f6; }

.filter-btn[data-filter="vestib"] { border-color: rgba(20, 184, 166, 0.4); color: #2dd4bf; }
.filter-btn[data-filter="vestib"].active { background: #14b8a6; color: #000; border-color: #14b8a6; }

.filter-btn[data-filter="gold-standard"] { border-color: rgba(211, 33, 148, 0.4); color: var(--s-accent-magenta); }
.filter-btn[data-filter="gold-standard"].active { background: var(--s-accent-magenta); color: #fff; border-color: var(--s-accent-magenta); }

/* More filters button (mobile) */
.more-filters-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  width: 100%;
  padding: 12px 16px;
  min-height: var(--s-touch-target);
  border-radius: 12px;
  border: 1px solid var(--s-border-subtle);
  background: transparent;
  color: var(--s-text-secondary);
  font-size: 14px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--s-transition-fast);
  margin-bottom: 12px;
}

.more-filters-btn:hover,
.more-filters-btn:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.more-filters-count {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 10px;
  background: var(--s-accent-teal);
  color: #fff;
  font-size: 11px;
  font-weight: 600;
}

.more-filters-count:empty {
  display: none;
}

/* Extended filters (hidden on mobile by default) */
.filter-extended {
  display: none;
}

.filter-extended[hidden="false"],
.filter-extended:not([hidden]) {
  display: block;
}

.filter-group {
  margin-bottom: 16px;
}

.filter-group-label {
  color: var(--s-text-muted);
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 8px;
}

.filter-group-buttons {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.duration-btn,
.format-btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  min-height: 40px;
  border-radius: 20px;
  border: 1px solid var(--s-border-subtle);
  background: transparent;
  color: var(--s-text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--s-transition-fast);
}

.duration-btn:hover,
.duration-btn:focus,
.format-btn:hover,
.format-btn:focus {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.duration-btn.active,
.format-btn.active {
  background: rgba(10, 170, 143, 0.15);
  border-color: var(--s-accent-teal);
  color: var(--s-accent-teal);
}

/* Filter chips */
.filter-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 12px;
  min-height: 32px;
}

.filter-chips:empty {
  display: none;
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: rgba(10, 170, 143, 0.15);
  border: 1px solid rgba(10, 170, 143, 0.3);
  border-radius: 16px;
  color: var(--s-accent-teal);
  font-size: 13px;
  font-weight: 500;
}

.chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  border: none;
  background: rgba(255, 255, 255, 0.1);
  color: var(--s-text-muted);
  font-size: 14px;
  line-height: 1;
  cursor: pointer;
  padding: 0;
}

.chip-remove:hover {
  background: rgba(255, 255, 255, 0.2);
  color: var(--s-text-primary);
}

.clear-all-filters {
  display: inline-flex;
  align-items: center;
  padding: 6px 12px;
  border-radius: 16px;
  border: 1px dashed var(--s-border-subtle);
  background: transparent;
  color: var(--s-text-muted);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
}

.clear-all-filters:hover {
  border-style: solid;
  border-color: rgba(255, 255, 255, 0.3);
  color: var(--s-text-secondary);
}

/* Results count */
.filter-results {
  text-align: center;
  color: var(--s-text-muted);
  font-size: 14px;
  margin-top: 8px;
}

#card-count {
  color: var(--s-accent-teal);
  font-weight: 600;
}

/* ==========================================================================
   Mobile Filter Modal
   ========================================================================== */

.filter-modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 9999;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.filter-modal[hidden] {
  display: none;
}

.filter-modal-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
}

.filter-modal-content {
  position: relative;
  background: var(--s-bg-secondary);
  border-radius: 24px 24px 0 0;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  animation: slideUp 0.3s ease;
}

@keyframes slideUp {
  from {
    transform: translateY(100%);
  }
  to {
    transform: translateY(0);
  }
}

.filter-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--s-border-subtle);
}

.filter-modal-header h3 {
  margin: 0;
  color: var(--s-text-primary);
  font-size: 18px;
  font-weight: 600;
}

.filter-modal-close {
  min-width: var(--s-touch-target);
  min-height: var(--s-touch-target);
  border: none;
  background: transparent;
  color: var(--s-text-muted);
  font-size: 28px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
}

.filter-modal-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}

.filter-modal-body .filter-group {
  margin-bottom: 24px;
}

.filter-modal-body .filter-group:last-child {
  margin-bottom: 0;
}

.filter-modal-footer {
  display: flex;
  gap: 12px;
  padding: 16px 20px;
  border-top: 1px solid var(--s-border-subtle);
  background: var(--s-bg-secondary);
}

.filter-modal-clear {
  flex: 1;
  padding: 14px 20px;
  min-height: var(--s-touch-target);
  border-radius: 12px;
  border: 1px solid var(--s-border-subtle);
  background: transparent;
  color: var(--s-text-secondary);
  font-size: 15px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
}

.filter-modal-apply {
  flex: 2;
  padding: 14px 20px;
  min-height: var(--s-touch-target);
  border-radius: 12px;
  border: none;
  background: var(--s-accent-teal);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
}

.filter-modal-apply:hover {
  background: var(--s-accent-teal-dark);
}

/* ==========================================================================
   Card Grid - Mobile First
   ========================================================================== */

.screening-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

/* Tablet: 2 columns */
@media screen and (min-width: 600px) {
  .screening-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* Desktop: 3 columns */
@media screen and (min-width: 900px) {
  .screening-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* Large desktop: 4 columns */
@media screen and (min-width: 1200px) {
  .screening-cards-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   Screening Card - Mobile First (Tap to Flip)
   ========================================================================== */

.screening-card {
  min-height: var(--s-card-min-height);
  min-width: var(--s-card-min-width);
  perspective: 1000px;
  cursor: pointer;
}

.screening-card[hidden],
.screening-card.hidden {
  display: none;
}

.card-inner {
  position: relative;
  width: 100%;
  height: 100%;
  min-height: var(--s-card-min-height);
  transition: transform var(--s-transition-flip);
  transform-style: preserve-3d;
}

/* Mobile: tap to flip via is-flipped class */
.screening-card.is-flipped .card-inner {
  transform: rotateY(180deg);
}

/* Desktop: hover to flip (only if not already tapped) */
@media (hover: hover) and (pointer: fine) {
  .screening-card:not(.is-flipped):hover .card-inner {
    transform: rotateY(180deg);
  }
}

/* Card faces */
.card-front,
.card-back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  min-height: var(--s-card-min-height);
  backface-visibility: hidden;
  -webkit-backface-visibility: hidden;
  border-radius: 16px;
  overflow: hidden;
}

/* Card Front */
.card-front {
  background: linear-gradient(160deg, var(--s-bg-card) 0%, #0d0d12 100%);
  padding: 20px 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.card-front::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--s-accent-magenta) 0%, var(--s-accent-teal) 100%);
}

.card-front h3 {
  color: var(--s-text-primary);
  font-size: 16px;
  font-weight: 600;
  margin: 0;
  line-height: 1.4;
  flex-grow: 1;
}

.category-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 12px;
}

.category-badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: 12px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.3px;
}

/* Category badge colors */
.category-badge.cat-tbi { background: rgba(139, 92, 246, 0.2); color: #a78bfa; }
.category-badge.cat-neuro { background: rgba(236, 72, 153, 0.2); color: #f472b6; }
.category-badge.cat-perf { background: rgba(34, 197, 94, 0.2); color: #4ade80; }
.category-badge.cat-falls { background: rgba(59, 130, 246, 0.2); color: #60a5fa; }
.category-badge.cat-vestib { background: rgba(20, 184, 166, 0.2); color: #2dd4bf; }
.category-badge.cat-aging { background: rgba(239, 68, 68, 0.2); color: #f87171; }
.category-badge.cat-disab { background: rgba(99, 102, 241, 0.2); color: #818cf8; }

/* Tap hint (mobile) / Hover hint (desktop) */
.card-hint {
  position: absolute;
  bottom: 12px;
  right: 14px;
  font-size: 10px;
  color: rgba(255, 255, 255, 0.3);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

/* Card Back */
.card-back {
  background: linear-gradient(160deg, var(--s-bg-card-hover) 0%, #0a0f0e 100%);
  border: 2px solid rgba(10, 170, 143, 0.5);
  transform: rotateY(180deg);
  padding: 16px;
  display: flex;
  flex-direction: column;
  box-shadow: 0 8px 32px rgba(10, 170, 143, 0.2);
}

.card-back::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--s-accent-teal);
}

.back-title {
  color: var(--s-accent-teal);
  font-size: 14px;
  font-weight: 700;
  margin: 0 0 8px 0;
  line-height: 1.3;
}

.back-description {
  color: rgba(255, 255, 255, 0.9);
  font-size: 12px;
  line-height: 1.5;
  margin: 0;
  flex-grow: 1;
  display: -webkit-box;
  -webkit-line-clamp: 4;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.back-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid rgba(10, 170, 143, 0.3);
}

.meta-duration,
.meta-format {
  font-size: 11px;
  color: var(--s-text-secondary);
}

.meta-duration::before {
  content: '\23F1';
  margin-right: 4px;
}

.meta-format::before {
  content: '\1F4CB';
  margin-right: 4px;
}

/* ==========================================================================
   Flagship Cards
   ========================================================================== */

.screening-card.flagship .card-front {
  background: linear-gradient(160deg, #1f1a08 0%, #0d0d12 100%);
  border: 2px solid rgba(211, 33, 148, 0.4);
}

.screening-card.flagship .card-front::before {
  background: linear-gradient(90deg, var(--s-accent-magenta) 0%, var(--s-accent-magenta-dark) 100%);
}

.screening-card.flagship .card-back {
  background: linear-gradient(160deg, #2a0818 0%, #0f0508 100%);
  border-color: rgba(211, 33, 148, 0.5);
  box-shadow: 0 8px 32px rgba(211, 33, 148, 0.2);
}

.screening-card.flagship .card-back::before {
  background: var(--s-accent-magenta);
}

.screening-card.flagship .back-title {
  color: var(--s-accent-magenta);
}

.flagship-badge {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 10px;
  background: linear-gradient(135deg, var(--s-accent-magenta) 0%, var(--s-accent-magenta-dark) 100%);
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: #fff;
  z-index: 10;
}

/* Flagship grid (3-column on desktop) */
.flagship-cards-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
  max-width: 1100px;
  margin: 0 auto 24px;
  padding: 0 16px;
}

@media screen and (min-width: 600px) {
  .flagship-cards-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media screen and (min-width: 900px) {
  .flagship-cards-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

/* ==========================================================================
   Recommended Packs
   ========================================================================== */

.recommended-packs {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 16px;
}

.packs-scroll {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 16px;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.packs-scroll::-webkit-scrollbar {
  display: none;
}

.pack-card {
  flex: 0 0 280px;
  background: linear-gradient(160deg, var(--s-bg-card) 0%, #0d0d12 100%);
  border: 1px solid var(--s-border-subtle);
  border-radius: 16px;
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: var(--s-transition-medium);
}

.pack-card:hover {
  border-color: var(--s-accent-teal);
  box-shadow: 0 8px 32px rgba(10, 170, 143, 0.15);
}

.pack-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(10, 170, 143, 0.15);
  border-radius: 12px;
  color: var(--s-accent-teal);
  font-size: 18px;
}

.pack-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.pack-header h4 {
  margin: 0;
  color: var(--s-text-primary);
  font-size: 16px;
  font-weight: 600;
}

.pack-tier {
  padding: 4px 10px;
  border-radius: 10px;
  font-size: 10px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.tier-free {
  background: rgba(10, 170, 143, 0.2);
  color: var(--s-accent-teal);
}

.tier-pro {
  background: rgba(255, 255, 255, 0.1);
  color: var(--s-text-muted);
}

.pack-description {
  color: var(--s-text-secondary);
  font-size: 13px;
  line-height: 1.5;
  margin: 0;
}

.pack-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--s-text-muted);
}

.pack-expand {
  width: 100%;
  padding: 10px 16px;
  min-height: 40px;
  border: 1px solid var(--s-border-subtle);
  border-radius: 8px;
  background: transparent;
  color: var(--s-text-secondary);
  font-size: 13px;
  font-family: inherit;
  cursor: pointer;
  transition: var(--s-transition-fast);
}

.pack-expand:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

.pack-expand[aria-expanded="true"] {
  background: rgba(10, 170, 143, 0.1);
  border-color: var(--s-accent-teal);
  color: var(--s-accent-teal);
}

.pack-assessments {
  margin: 0;
  padding: 12px 0 0 20px;
  border-top: 1px solid var(--s-border-subtle);
  list-style-type: disc;
}

.pack-assessments[hidden] {
  display: none;
}

.pack-assessments li {
  color: var(--s-text-secondary);
  font-size: 12px;
  line-height: 1.8;
}

/* ==========================================================================
   Desktop Enhancements
   ========================================================================== */

@media screen and (min-width: 900px) {
  .filter-panel {
    padding: 0;
  }

  .filter-search-wrapper {
    max-width: 500px;
    margin: 0 auto 20px;
  }

  .filter-categories {
    justify-content: center;
    flex-wrap: wrap;
    overflow: visible;
  }

  /* Hide mobile filter button on desktop */
  .more-filters-btn {
    display: none;
  }

  /* Show extended filters inline on desktop */
  .filter-extended {
    display: block !important;
    max-width: 800px;
    margin: 0 auto;
  }

  .filter-extended .filter-group {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
  }

  .filter-extended .filter-group-label {
    min-width: 80px;
    margin-bottom: 0;
  }

  /* Hide mobile filter modal on desktop */
  .filter-modal {
    display: none !important;
  }

  .screening-cards-grid {
    padding: 0;
  }

  .card-hint {
    opacity: 0;
    transition: opacity 0.3s ease;
  }

  /* Show hover hint on desktop */
  .screening-card:hover .card-hint {
    opacity: 1;
  }

  /* Change hint text on desktop */
  .card-hint::after {
    content: 'Hover for details';
  }

  .card-hint {
    font-size: 0;
  }

  .card-hint::after {
    font-size: 10px;
  }
}

/* ==========================================================================
   Focus States (Accessibility)
   ========================================================================== */

.screening-card:focus-visible {
  outline: 3px solid var(--s-accent-teal);
  outline-offset: 4px;
  border-radius: 16px;
}

.screening-card:focus-visible .card-inner {
  transform: rotateY(180deg);
}

button:focus-visible,
input:focus-visible {
  outline: 3px solid var(--s-accent-teal);
  outline-offset: 2px;
}

/* ==========================================================================
   Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .card-inner,
  .filter-modal-content {
    transition: none !important;
    animation: none !important;
  }

  .screening-card:hover .card-inner,
  .screening-card.is-flipped .card-inner,
  .screening-card:focus-visible .card-inner {
    transform: rotateY(180deg);
  }
}

/* ==========================================================================
   Card Animation on Filter
   ========================================================================== */

.screening-card {
  animation: cardFadeIn 0.3s ease forwards;
}

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

/* Staggered animation for visual interest */
.screening-card:nth-child(4n+1) { animation-delay: 0ms; }
.screening-card:nth-child(4n+2) { animation-delay: 50ms; }
.screening-card:nth-child(4n+3) { animation-delay: 100ms; }
.screening-card:nth-child(4n+4) { animation-delay: 150ms; }

@media (prefers-reduced-motion: reduce) {
  .screening-card {
    animation: none !important;
  }
}

/* ==========================================================================
   Assessment Detail Panel - Desktop (Right Slide-out)
   ========================================================================== */

.assessment-panel {
  position: fixed;
  top: 0;
  right: 0;
  width: 480px;
  max-width: 100%;
  height: 100vh;
  background: linear-gradient(180deg, #0a0f0e 0%, #000 100%);
  border-left: 1px solid var(--s-border-accent);
  transform: translateX(100%);
  transition: transform var(--s-transition-medium);
  z-index: 1000;
  overflow-y: auto;
  overflow-x: hidden;
}

.assessment-panel.is-open {
  transform: translateX(0);
}

/* Panel close button */
.panel-close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: var(--s-touch-target);
  height: var(--s-touch-target);
  border: none;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 50%;
  color: var(--s-text-secondary);
  font-size: 24px;
  line-height: 1;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--s-transition-fast);
  z-index: 10;
}

.panel-close:hover,
.panel-close:focus {
  background: rgba(255, 255, 255, 0.2);
  color: var(--s-text-primary);
}

.panel-close:focus-visible {
  outline: 3px solid var(--s-accent-teal);
  outline-offset: 2px;
}

/* Panel drag handle (mobile only) */
.panel-drag-handle {
  display: none;
}

/* Panel content container */
.panel-content {
  padding: 24px;
  padding-top: 72px; /* Space for close button */
}

/* ==========================================================================
   Panel Overlay
   ========================================================================== */

.panel-overlay {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(4px);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--s-transition-medium), visibility var(--s-transition-medium);
  z-index: 999;
}

.panel-overlay.is-visible {
  opacity: 1;
  visibility: visible;
}

/* ==========================================================================
   Assessment Detail Content Structure
   ========================================================================== */

.assessment-detail {
  color: var(--s-text-primary);
}

/* Header */
.assessment-header {
  margin-bottom: 24px;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--s-border-subtle);
}

.assessment-name {
  margin: 0 0 12px 0;
}

.assessment-abbrev {
  display: block;
  font-size: 28px;
  font-weight: 700;
  color: var(--s-accent-teal);
  line-height: 1.2;
}

.assessment-fullname {
  display: block;
  font-size: 16px;
  font-weight: 400;
  color: var(--s-text-secondary);
  margin-top: 4px;
}

.assessment-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}

.assessment-meta .category-badges {
  margin: 0;
}

.duration-badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 10px;
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  font-size: 12px;
  color: var(--s-text-secondary);
}

.duration-badge::before {
  content: '\23F1';
  margin-right: 6px;
}

/* Attributes */
.assessment-attributes {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 8px 16px;
  margin: 0;
  font-size: 14px;
}

.assessment-attributes dt {
  color: var(--s-text-muted);
  font-weight: 500;
}

.assessment-attributes dd {
  color: var(--s-text-secondary);
  margin: 0;
}

/* Content sections */
.assessment-overview,
.assessment-purpose,
.assessment-scoring {
  margin-bottom: 24px;
}

.assessment-overview h3,
.assessment-purpose h3,
.assessment-scoring h3,
.assessment-domains h4,
.assessment-related h4 {
  color: var(--s-text-muted);
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin: 0 0 8px 0;
}

.assessment-overview p,
.assessment-purpose p,
.assessment-scoring p,
.assessment-domains p {
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.assessment-scoring ul {
  margin: 0;
  padding-left: 20px;
  color: rgba(255, 255, 255, 0.9);
  font-size: 14px;
  line-height: 1.8;
}

.assessment-scoring li {
  margin-bottom: 4px;
}

/* Footer */
.assessment-footer {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid var(--s-border-subtle);
}

.assessment-domains {
  margin-bottom: 20px;
}

/* CTA Button */
.assessment-cta {
  margin-bottom: 24px;
}

.cta-btn {
  display: block;
  width: 100%;
  padding: 14px 24px;
  text-align: center;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 600;
  text-decoration: none;
  transition: var(--s-transition-fast);
}

.cta-btn--primary {
  background: var(--s-accent-teal);
  color: #fff;
}

.cta-btn--primary:hover {
  background: var(--s-accent-teal-dark);
  color: #fff;
}

.cta-btn--secondary {
  background: transparent;
  border: 1px solid var(--s-border-subtle);
  color: var(--s-text-secondary);
}

.cta-btn--secondary:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.2);
}

/* Related assessments */
.assessment-related {
  margin-top: 20px;
}

.related-cards {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.related-card {
  padding: 8px 14px;
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid var(--s-border-subtle);
  border-radius: 8px;
  color: var(--s-text-secondary);
  font-size: 13px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: var(--s-transition-fast);
}

.related-card:hover {
  background: rgba(10, 170, 143, 0.1);
  border-color: var(--s-accent-teal);
  color: var(--s-accent-teal);
}

/* ==========================================================================
   Active Card Highlight
   ========================================================================== */

.screening-card.is-active {
  outline: 3px solid var(--s-accent-teal);
  outline-offset: 4px;
}

.screening-card.is-active .card-front::before {
  background: var(--s-accent-teal);
}

/* ==========================================================================
   Mobile Bottom Sheet
   ========================================================================== */

@media (max-width: 768px) {
  .assessment-panel {
    top: auto;
    bottom: 0;
    left: 0;
    right: 0;
    width: 100%;
    height: 85vh;
    border-left: none;
    border-top: 1px solid var(--s-border-accent);
    border-radius: 16px 16px 0 0;
    transform: translateY(100%);
  }

  .assessment-panel.is-open {
    transform: translateY(0);
  }

  /* Drag handle */
  .panel-drag-handle {
    display: block;
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 4px;
    background: rgba(255, 255, 255, 0.3);
    border-radius: 2px;
    cursor: grab;
  }

  .panel-drag-handle:active {
    cursor: grabbing;
  }

  /* Adjust close button position for drag handle */
  .panel-close {
    top: 20px;
  }

  .panel-content {
    padding: 20px 16px;
    padding-top: 64px;
    padding-bottom: 100px; /* Space for sticky CTA */
    height: calc(85vh - 64px);
    overflow-y: auto;
  }

  /* Sticky CTA on mobile */
  .assessment-cta {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    margin: 0;
    padding: 16px;
    background: linear-gradient(180deg, transparent 0%, #000 20%);
    z-index: 10;
  }

  .cta-btn {
    margin: 0;
  }

  /* Smaller typography on mobile */
  .assessment-abbrev {
    font-size: 24px;
  }

  .assessment-fullname {
    font-size: 14px;
  }
}

/* ==========================================================================
   Panel Reduced Motion Support
   ========================================================================== */

@media (prefers-reduced-motion: reduce) {
  .assessment-panel,
  .panel-overlay {
    transition: none;
  }
}