/* ==================== TWILIGHT DECK PAGE ====================
   Builds on top of collection.css (loaded first as a dependency) for
   --tw-* tokens, .tw-btn, .tw-tier-badge, .tw-card-modal*, .tw-search-wrap,
   .tw-tier-select, .tw-page-btn, keyframes, and .spinner. This file only
   adds what's unique to the deck: the 12-slot grid and the picker panel.
*/

.twilight-deck {
  position: relative;
  z-index: 1;
}

.tw-deck-page {
  max-width: 1180px;
  margin: 0 auto;
  padding: 7rem 6vw 6rem;
}

.tw-deck-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  flex-wrap: wrap;
  margin-bottom: 2rem;
}

.tw-deck-title {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 4vw, 2.6rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 1px;
}

.tw-deck-sub {
  color: var(--text-secondary);
  font-size: 0.9rem;
  margin-top: 0.5rem;
  max-width: 460px;
}

/* ---------- Swap banner ---------- */
.tw-deck-swap-banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  background: rgba(139, 92, 246, 0.12);
  border: 1px solid var(--tw-border-hover);
  border-radius: 14px;
  padding: 0.85rem 1.25rem;
  margin-bottom: 1.75rem;
  color: var(--tw-purple-light);
  font-weight: 600;
  font-size: 0.88rem;
  animation: tw-fade-in 0.2s ease both;
}

/* ---------- 12-slot grid: 3 per row ---------- */
.tw-deck-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.25rem;
}

.tw-deck-slot {
  position: relative;
  border-radius: var(--tw-radius);
  overflow: hidden;
  background: var(--tw-card-bg);
  border: 1.5px dashed var(--tw-border);
  transition: all 0.3s ease;
}

.tw-deck-slot.filled {
  border-style: solid;
}

.tw-deck-slot.selected-for-swap {
  border-color: var(--tw-purple-light);
  box-shadow: 0 0 0 3px rgba(139, 92, 246, 0.35), 0 0 24px rgba(139, 92, 246, 0.3);
}

/* Empty slot */
.tw-deck-slot-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  aspect-ratio: 3 / 4;
  padding: 1rem;
  color: var(--text-muted);
}

.tw-deck-slot-add-btn {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  border: 1.5px dashed var(--tw-border-hover);
  background: rgba(139, 92, 246, 0.08);
  color: var(--tw-purple-light);
  font-size: 1.5rem;
  line-height: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.25s ease;
}

.tw-deck-slot-add-btn:hover {
  background: rgba(139, 92, 246, 0.22);
  border-style: solid;
  transform: scale(1.08);
}

.tw-deck-slot-label {
  font-size: 0.72rem;
  letter-spacing: 1.5px;
  text-transform: uppercase;
}

/* Filled slot */
.tw-deck-slot-img-wrap {
  position: relative;
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.tw-deck-slot-img-wrap img,
.tw-deck-slot-img-wrap video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tw-deck-slot-title {
  padding: 0.65rem 0.75rem 0.3rem;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.tw-deck-slot-actions {
  display: flex;
  gap: 0.4rem;
  padding: 0 0.75rem 0.75rem;
}

.tw-deck-action-btn {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 4px;
  padding: 7px;
  border-radius: 8px;
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.3px;
  cursor: pointer;
  border: 1px solid var(--tw-border);
  background: rgba(255, 255, 255, 0.03);
  color: var(--text-secondary);
  transition: all 0.2s ease;
}

.tw-deck-action-btn:hover {
  border-color: var(--tw-border-hover);
  color: var(--text-primary);
}

.tw-deck-action-btn.swap.active {
  background: linear-gradient(135deg, var(--tw-purple), var(--tw-blue));
  color: #fff;
  border-color: transparent;
}

.tw-deck-action-btn.remove:hover {
  border-color: var(--tw-tier-6);
  color: var(--tw-tier-6);
}

.tw-deck-action-btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

/* ==================== PICKER MODAL ==================== */
.tw-picker-panel {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: 560px;
  max-height: 85vh;
  overflow-y: auto;
  background: rgba(16, 13, 30, 0.94);
  border: 1px solid var(--tw-border-hover);
  border-radius: 24px;
  box-shadow: 0 30px 80px rgba(0, 0, 0, 0.6), 0 0 60px rgba(139, 92, 246, 0.15);
  padding: 1.75rem;
  animation: tw-pop-in 0.32s cubic-bezier(0.34, 1.56, 0.64, 1) both;
}

.tw-picker-panel.tw-closing {
  animation: tw-pop-out 0.26s cubic-bezier(0.4, 0, 0.2, 1) both;
}

.tw-picker-title {
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: 1.1rem;
  color: var(--text-primary);
  margin-bottom: 1.25rem;
  padding-right: 2rem;
}

.tw-picker-title span {
  color: var(--tw-purple-light);
}

.tw-picker-controls {
  display: flex;
  gap: 0.75rem;
  margin-bottom: 1.25rem;
  flex-wrap: wrap;
}

.tw-picker-controls .tw-search-wrap {
  flex: 1;
  min-width: 180px;
}

.tw-picker-results {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(110px, 1fr));
  gap: 0.75rem;
  max-height: 48vh;
  overflow-y: auto;
  padding-right: 4px;
}

.tw-picker-card {
  cursor: pointer;
  border-radius: 12px;
  overflow: hidden;
  border: 1px solid var(--tw-border);
  background: var(--tw-card-bg);
  transition: all 0.25s ease;
}

.tw-picker-card:hover {
  border-color: var(--tw-border-hover);
  background: var(--tw-card-bg-hover);
  transform: translateY(-3px);
}

.tw-picker-card-img {
  aspect-ratio: 3 / 4;
  overflow: hidden;
  background: rgba(255, 255, 255, 0.03);
}

.tw-picker-card-img img,
.tw-picker-card-img video {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.tw-picker-card-title {
  padding: 0.45rem 0.55rem;
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

/* ---------- Responsive ---------- */
@media (max-width: 640px) {
  .tw-deck-page { padding: 6rem 1.25rem 4rem; }
  .tw-deck-grid { grid-template-columns: repeat(2, 1fr); gap: 0.85rem; }
  .tw-deck-head { align-items: flex-start; }
  .tw-deck-head .tw-btn { width: 100%; justify-content: center; }
}

@media (max-width: 420px) {
  .tw-picker-panel { max-width: 100%; padding: 1.25rem; }
  .tw-picker-results { grid-template-columns: repeat(3, 1fr); }
}