/* ========================================
   TARGET DATABASE PAGE — STYLES
   Prefix: tgt-
   Uses theme.css variables (dark/light aware).
   ======================================== */

/* ========================================
   1. BODY & AMBIENT BACKGROUND
   ======================================== */
body {
  padding-top: 80px;
}

body::before,
body::after {
  content: '';
  position: fixed;
  border-radius: 50%;
  pointer-events: none;
  z-index: -1;
  filter: blur(100px);
  opacity: 0.5;
}

body::before {
  width: 600px;
  height: 600px;
  top: -15%;
  left: -10%;
  background: var(--glow-orb-1);
  animation: tgtOrbDrift1 30s ease-in-out infinite alternate;
}

body::after {
  width: 500px;
  height: 500px;
  bottom: -10%;
  right: -10%;
  background: var(--glow-orb-2);
  animation: tgtOrbDrift2 25s ease-in-out infinite alternate;
}

@keyframes tgtOrbDrift1 {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(80px, 60px) scale(1.1); }
  100% { transform: translate(-40px, 100px) scale(0.95); }
}

@keyframes tgtOrbDrift2 {
  0%   { transform: translate(0, 0) scale(1); }
  50%  { transform: translate(-60px, -80px) scale(1.15); }
  100% { transform: translate(50px, -40px) scale(0.9); }
}

/* ========================================
   2. HERO
   ======================================== */
.tgt-hero {
  text-align: center;
  padding: 2.5rem 1rem 1.5rem;
  position: relative;
}

.tgt-hero::before {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 700px;
  height: 350px;
  background: radial-gradient(ellipse, var(--glow-orb-1) 0%, transparent 60%);
  pointer-events: none;
  z-index: 0;
  opacity: 0.6;
}

.tgt-hero h1 {
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: 800;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.75rem;
  position: relative;
  z-index: 1;
  animation: tgtHeroShimmer 4s ease-in-out infinite alternate;
  background-size: 200% 200%;
}

@keyframes tgtHeroShimmer {
  0%   { background-position: 0% 50%; }
  100% { background-position: 100% 50%; }
}

.tgt-hero-sub {
  color: var(--text-secondary);
  font-size: clamp(0.95rem, 1.6vw, 1.15rem);
  max-width: 700px;
  margin: 0 auto;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

/* ========================================
   3. STATS BAR
   ======================================== */
.tgt-stats-bar {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 1.5rem;
  margin-top: 1.25rem;
  font-size: 0.85rem;
  color: var(--text-secondary);
  position: relative;
  z-index: 1;
}

.tgt-stats-bar strong {
  font-weight: 700;
  background: var(--accent-gradient);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-size: 1.1rem;
}

.tgt-stats-divider {
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--text-secondary);
  opacity: 0.4;
}

/* ========================================
   4. SEARCH
   ======================================== */
.tgt-search-section {
  max-width: 640px;
  margin: 0 auto 1.5rem;
  position: relative;
  z-index: 1;
}

.tgt-search-container {
  position: relative;
  display: flex;
  align-items: center;
}

.tgt-search-icon {
  position: absolute;
  left: 1.25rem;
  color: var(--text-secondary);
  font-size: 0.95rem;
  pointer-events: none;
  z-index: 2;
}

.tgt-search-input {
  width: 100%;
  padding: 0.875rem 3.5rem 0.875rem 3rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 16px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  color: var(--text-primary);
  font-size: 0.95rem;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  box-shadow: var(--shadow-md);
}

.tgt-search-input:focus {
  border-color: var(--accent-primary);
  box-shadow: 0 0 0 3px var(--accent-bg), var(--shadow-md), 0 0 24px var(--accent-bg);
  outline: none;
}

.tgt-search-input::placeholder {
  color: var(--text-secondary);
  opacity: 0.6;
}

.tgt-search-kbd {
  position: absolute;
  right: 1rem;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: var(--input-row-bg);
  border: 1px solid var(--glass-border);
  color: var(--text-secondary);
  font-size: 0.7rem;
  font-family: inherit;
  pointer-events: none;
}

/* ========================================
   5. FILTER PILLS
   ======================================== */
.tgt-filter-section {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 2rem;
  padding: 0 1rem;
}

.tgt-filter-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.125rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 100px;
  font-size: 0.82rem;
  font-weight: 500;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  white-space: nowrap;
  user-select: none;
}

.tgt-filter-pill:hover {
  border-color: var(--accent-border);
  color: var(--accent-primary);
  transform: translateY(-1px);
}

.tgt-filter-pill.active {
  background: var(--accent-gradient);
  border-color: transparent;
  color: #fff;
  -webkit-text-fill-color: #fff;
  box-shadow: var(--shadow-glow);
}

.tgt-pill-count {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 0.1rem 0.4rem;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.15);
  min-width: 20px;
  text-align: center;
}

.tgt-filter-pill:not(.active) .tgt-pill-count {
  background: var(--input-row-bg);
  color: var(--text-secondary);
}

/* ========================================
   6. RESULTS HEADER
   ======================================== */
.tgt-results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 1rem;
  padding: 0 0.25rem;
  font-size: 0.82rem;
  color: var(--text-secondary);
}

.tgt-view-toggle {
  display: flex;
  gap: 0.25rem;
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 10px;
  padding: 0.2rem;
}

.tgt-view-btn {
  padding: 0.35rem 0.65rem;
  border: none;
  border-radius: 8px;
  background: transparent;
  color: var(--text-secondary);
  cursor: pointer;
  transition: all 0.2s ease;
  font-size: 0.8rem;
}

.tgt-view-btn:hover {
  color: var(--text-primary);
}

.tgt-view-btn.active {
  background: var(--accent-bg);
  color: var(--accent-primary);
}

/* ========================================
   7. TARGET GRID
   ======================================== */
.tgt-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.25rem;
  animation: tgtGridFadeIn 0.5s ease both;
}

.tgt-grid.list-view {
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

/* ========================================
   8. TARGET CARD (grid mode)
   ======================================== */
.tgt-card {
  background: var(--glass-bg);
  border: 1px solid var(--glass-border);
  border-radius: 20px;
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  padding: 1.5rem;
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
  position: relative;
  overflow: hidden;
  animation: tgtCardSlideIn 0.4s ease both;
}

.tgt-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: var(--card-accent-color, var(--accent-gradient));
  border-radius: 20px 20px 0 0;
  opacity: 0;
  transition: opacity 0.3s ease;
}

.tgt-card:hover::before {
  opacity: 1;
}

.tgt-card:hover {
  border-color: var(--accent-border);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md), 0 0 0 1px var(--accent-border);
}

/* Card header */
.tgt-card-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 0.75rem;
}

.tgt-card-name {
  font-weight: 700;
  font-size: 1rem;
  color: var(--text-primary);
  line-height: 1.35;
  flex: 1;
}

.tgt-card-gene {
  font-family: 'Courier New', monospace;
  font-size: 0.72rem;
  font-weight: 700;
  padding: 0.25rem 0.7rem;
  border-radius: 8px;
  background: var(--accent-bg);
  color: var(--accent-primary);
  white-space: nowrap;
  flex-shrink: 0;
  letter-spacing: 0.5px;
}

/* Card description */
.tgt-card-desc {
  font-size: 0.82rem;
  color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

/* Card metadata row */
.tgt-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
}

.tgt-card-area-pill {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.2rem 0.65rem;
  border-radius: 100px;
  font-size: 0.72rem;
  font-weight: 600;
}

.tgt-card-druggability {
  font-size: 0.7rem;
  padding: 0.2rem 0.55rem;
  border-radius: 100px;
  font-weight: 600;
}

/* PDB tags */
.tgt-card-pdb-row {
  display: flex;
  gap: 0.35rem;
  flex-wrap: wrap;
}

.tgt-card-pdb-tag {
  font-family: 'Courier New', monospace;
  font-size: 0.68rem;
  font-weight: 600;
  padding: 0.15rem 0.5rem;
  border-radius: 6px;
  background: var(--input-row-bg);
  color: var(--text-secondary);
  letter-spacing: 0.3px;
}

/* Known drugs */
.tgt-card-drugs {
  font-size: 0.75rem;
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.4;
}

/* Action footer */
.tgt-card-action {
  display: flex;
  justify-content: flex-end;
  align-items: center;
  gap: 0.5rem;
  margin-top: auto;
  padding-top: 0.75rem;
  border-top: 1px solid var(--glass-border);
}

.tgt-start-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 1.25rem;
  background: var(--accent-bg);
  border: 1px solid var(--accent-border);
  border-radius: 10px;
  color: var(--accent-primary);
  font-size: 0.82rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.tgt-start-btn:hover {
  background: var(--accent-gradient);
  color: #fff;
  border-color: transparent;
  box-shadow: var(--cta-glow);
  transform: translateY(-2px);
}

/* ========================================
   9. LIST VIEW VARIANT
   ======================================== */
.tgt-grid.list-view .tgt-card {
  flex-direction: row;
  align-items: center;
  padding: 1rem 1.5rem;
  gap: 1.5rem;
  border-radius: 14px;
}

.tgt-grid.list-view .tgt-card-header {
  flex-direction: column;
  min-width: 200px;
}

.tgt-grid.list-view .tgt-card-desc {
  flex: 1;
  -webkit-line-clamp: 2;
}

.tgt-grid.list-view .tgt-card-meta,
.tgt-grid.list-view .tgt-card-pdb-row,
.tgt-grid.list-view .tgt-card-drugs {
  display: none;
}

.tgt-grid.list-view .tgt-card-action {
  border-top: none;
  padding-top: 0;
  border-left: 1px solid var(--glass-border);
  padding-left: 1rem;
  margin-top: 0;
}

/* ========================================
   10. EMPTY STATE
   ======================================== */
.tgt-empty {
  text-align: center;
  padding: 4rem 2rem;
  color: var(--text-secondary);
}

.tgt-empty i {
  font-size: 3rem;
  opacity: 0.2;
  margin-bottom: 1rem;
  display: block;
}

.tgt-empty h3 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.5rem;
}

.tgt-empty p {
  margin-bottom: 1.5rem;
  max-width: 400px;
  margin-left: auto;
  margin-right: auto;
}

/* ========================================
   11. ANIMATIONS
   ======================================== */
@keyframes tgtCardSlideIn {
  from { opacity: 0; transform: translateY(16px); }
  to   { opacity: 1; transform: translateY(0); }
}

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

/* ========================================
   12. RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
  .tgt-grid {
    grid-template-columns: 1fr;
  }

  .tgt-grid.list-view .tgt-card {
    flex-direction: column;
    align-items: stretch;
  }

  .tgt-grid.list-view .tgt-card-action {
    border-left: none;
    border-top: 1px solid var(--glass-border);
    padding-left: 0;
    padding-top: 0.75rem;
  }

  .tgt-hero h1 {
    font-size: 1.75rem;
  }

  .tgt-stats-bar {
    flex-wrap: wrap;
    gap: 0.75rem;
  }

  .tgt-search-input {
    font-size: 0.85rem;
    padding: 0.75rem 3rem 0.75rem 2.75rem;
  }

  .tgt-filter-section {
    justify-content: flex-start;
    overflow-x: auto;
    flex-wrap: nowrap;
    padding-bottom: 0.5rem;
    -webkit-overflow-scrolling: touch;
  }

  .tgt-filter-section::-webkit-scrollbar {
    display: none;
  }
}

@media (max-width: 575px) {
  body {
    padding-top: 65px;
  }

  .tgt-hero {
    padding: 1.5rem 1rem 1rem;
  }
}

/* ========================================
   13. ACCESSIBILITY
   ======================================== */
.tgt-card:focus-visible,
.tgt-filter-pill:focus-visible,
.tgt-start-btn:focus-visible,
.tgt-search-input:focus-visible,
.tgt-view-btn:focus-visible {
  outline: 2px solid var(--accent-primary);
  outline-offset: 2px;
}

/* ========================================
   14. REDUCED MOTION
   ======================================== */
@media (prefers-reduced-motion: reduce) {
  .tgt-card,
  .tgt-grid {
    animation: none !important;
  }

  body::before,
  body::after {
    animation: none !important;
  }

  .tgt-hero h1 {
    animation: none !important;
  }
}