/* ==========================================================================
   BOXD - BOXD Studio Custom Box Builder (Light Background, Black & Purple Theme)
   ========================================================================== */

.builder-layout {
  padding: 40px 0 140px;
  min-height: calc(100vh - 120px);
}

/* Step Panes Smooth Fade-in */
.builder-step-pane {
  display: none;
}

.builder-step-pane.active {
  display: block;
  animation: studioStepFadeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

@keyframes studioStepFadeIn {
  0% {
    opacity: 0;
    transform: translateY(8px);
  }
  100% {
    opacity: 1;
    transform: translateY(0);
  }
}

/* Step Wizard Stepper */
.builder-stepper {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-bottom: 48px;
  position: relative;
  flex-wrap: wrap;
}

.stepper-step {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 20px;
  background: #ffffff;
  border: var(--border-pixel);
  box-shadow: var(--shadow-pixel-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-muted);
  transition: transform 0.1s, box-shadow 0.1s;
}

.stepper-step.active {
  background: #121214;
  color: #ffffff;
  box-shadow: 4px 4px 0px #9333ea;
  transform: translate(-2px, -2px);
}

.stepper-step.completed {
  background: #f1f5f9;
  border-color: #121214;
  color: #121214;
}

.step-circle {
  width: 32px;
  height: 32px;
  background: #f1f5f9;
  border: 1.5px solid #121214;
  border-radius: 4px;
  color: #121214;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-title);
  font-size: 1.15rem;
  font-weight: 900;
}

.stepper-step.active .step-circle {
  background: #9333ea;
  color: #ffffff;
  border-color: #121214;
}

.stepper-step.completed .step-circle {
  background: #10b981;
  color: #ffffff;
}

/* ==========================================================================
   STAGE 1: TIER SELECTION CARDS
   ========================================================================== */
.tier-cards-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  margin-top: 30px;
}

.tier-card {
  background: #ffffff;
  border: var(--border-pixel-thick);
  box-shadow: var(--shadow-pixel);
  border-radius: var(--radius-sm);
  padding: 36px 24px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
  position: relative;
}

.tier-card:hover {
  transform: translate(-4px, -4px);
  box-shadow: 6px 6px 0px #9333ea;
  background: #faf5ff;
}

.tier-card.selected {
  background: #faf5ff;
  border-color: #121214;
  box-shadow: 6px 6px 0px #9333ea;
}

.tier-badge {
  position: absolute;
  top: -16px;
  padding: 4px 14px;
  background: #9333ea;
  color: #ffffff;
  border: 1.5px solid #121214;
  box-shadow: 2px 2px 0px #000;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: 0.5px;
}

.tier-icon-box {
  font-size: 3.5rem;
  margin: 16px 0;
  color: #9333ea;
  filter: drop-shadow(3px 3px 0px rgba(0,0,0,0.15));
}

.tier-name {
  font-family: var(--font-title);
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: 0.8px;
  color: #121214;
  margin-bottom: 12px;
}

.tier-price {
  font-family: var(--font-title);
  font-size: 2.8rem;
  font-weight: 900;
  letter-spacing: 1px;
  color: #121214;
  margin-bottom: 16px;
}

.tier-slots-count {
  font-family: var(--font-body);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.5px;
  color: #121214;
  background: #f3e8ff;
  border: 1.5px solid #121214;
  box-shadow: 2px 2px 0px #9333ea;
  border-radius: var(--radius-sm);
  padding: 6px 14px;
  margin-bottom: 24px;
}

.tier-perks-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
  font-family: var(--font-body);
  font-size: 1.25rem;
  color: var(--text-muted);
  margin-bottom: 30px;
  width: 100%;
  text-align: left;
}

.tier-perks-list li {
  display: flex;
  align-items: center;
  gap: 10px;
}

.tier-perks-list i {
  color: #9333ea;
}

/* ==========================================================================
   STAGE 2: FANDOMS PILLS & CARDS
   ========================================================================== */
.category-filter-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  margin: 24px auto 36px;
  max-width: 860px;
}

.filter-pill,
.fandom-pill {
  padding: 10px 18px;
  background: #ffffff;
  border: 2px solid #121214;
  box-shadow: 3px 3px 0px #121214;
  border-radius: var(--radius-sm, 3px);
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 800;
  color: #121214;
  cursor: pointer;
  transition: transform 0.12s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.12s cubic-bezier(0.16, 1, 0.3, 1), background 0.12s, color 0.12s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  user-select: none;
}

.filter-pill:hover,
.fandom-pill:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px #9333ea;
  border-color: #121214;
  background: #faf5ff;
}

.filter-pill.active,
.fandom-pill.active {
  background: #121214;
  color: #ffffff;
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px #9333ea;
  border-color: #121214;
}

.fandoms-cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 20px;
  margin-top: 30px;
}

.fandom-card {
  background: #ffffff;
  border: var(--border-pixel);
  box-shadow: var(--shadow-pixel);
  border-radius: var(--radius-sm);
  padding: 24px 16px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: transform 0.1s, box-shadow 0.1s;
}

.fandom-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: 4px 4px 0px #9333ea;
}

.fandom-card.selected {
  background: #faf5ff;
  border-color: #121214;
  box-shadow: 4px 4px 0px #9333ea;
}

.fandom-icon-box {
  font-size: 2.5rem;
  margin-bottom: 12px;
  color: #9333ea;
}

.fandom-name {
  font-family: var(--font-title);
  font-size: 1.4rem;
  font-weight: 800;
  color: #121214;
}

/* ==========================================================================
   STAGE 3: PACKING WORKSPACE
   ========================================================================== */
.pack-workspace-grid {
  display: grid;
  grid-template-columns: 360px 1fr;
  gap: 36px;
  align-items: start;
}

/* Left Sticky Crate Preview */
.crate-preview-panel {
  background: #ffffff;
  border: var(--border-pixel-thick);
  box-shadow: var(--shadow-pixel);
  border-radius: var(--radius-sm);
  padding: 24px;
  position: sticky;
  top: 100px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.crate-capacity-bar-wrap {
  width: 100%;
}

.crate-capacity-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 10px;
  color: #121214;
}

/* Segmented Progress Bar */
.crate-capacity-track {
  width: 100%;
  height: 20px;
  background: #f1f5f9;
  border: 1.5px solid #121214;
  box-shadow: inset 2px 2px 0px rgba(0,0,0,0.1);
  border-radius: 2px;
  overflow: hidden;
}

.crate-capacity-fill {
  height: 100%;
  width: 0%;
  background: #9333ea;
  background-image: repeating-linear-gradient(90deg, #9333ea 0px, #9333ea 10px, #7e22ce 10px, #7e22ce 12px);
  transition: width 0.25s steps(10);
}

.crate-capacity-fill.full {
  background: #10b981;
  background-image: repeating-linear-gradient(90deg, #10b981 0px, #10b981 10px, #059669 10px, #059669 12px);
}

/* Packed Items Slots Grid */
.packed-items-slots {
  display: flex;
  flex-direction: column;
  gap: 10px;
  max-height: 320px;
  overflow-y: auto;
  padding-right: 6px;
}

.slot-item-card {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px;
  background: #f8fafc;
  border: 1.5px solid #121214;
  box-shadow: 2px 2px 0px #121214;
  border-radius: var(--radius-sm);
}

.slot-item-thumb {
  width: 44px;
  height: 44px;
  border: 1.5px solid #121214;
  border-radius: 2px;
  object-fit: cover;
  background: #ffffff;
}

.slot-item-details {
  flex: 1;
  min-width: 0;
}

.slot-item-name {
  font-family: var(--font-body);
  font-size: 1.25rem;
  font-weight: 800;
  color: #121214;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.slot-item-cat {
  font-family: var(--font-body);
  font-size: 1.05rem;
  color: #9333ea;
  font-weight: 700;
}

.slot-remove-btn {
  color: #ef4444;
  font-size: 1.1rem;
  padding: 6px;
  transition: transform 0.1s;
}

.slot-remove-btn:hover {
  transform: scale(1.2);
}

/* Right Item Catalog & Tabs */
.pack-catalog-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 24px;
  flex-wrap: wrap;
}

.pack-cat-tabs {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.pack-cat-tab,
.pack-cat-tab-btn {
  padding: 8px 16px;
  background: #ffffff;
  border: var(--border-pixel);
  box-shadow: var(--shadow-pixel-sm);
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-main);
  cursor: pointer;
  transition: transform 0.1s, background 0.1s, color 0.1s, box-shadow 0.1s;
}

.pack-cat-tab:hover,
.pack-cat-tab.active,
.pack-cat-tab-btn:hover,
.pack-cat-tab-btn.active {
  background: #121214;
  color: #ffffff;
  border-color: #121214;
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0px #9333ea;
}

/* Symmetric Pack Items Grid */
.pack-items-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 18px;
  align-items: stretch;
}

@media (max-width: 600px) {
  .pack-items-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
}

/* Strictly Symmetric Item Card with Uniform Heights */
.pack-item-card {
  background: #ffffff;
  border: var(--border-pixel);
  box-shadow: 3px 3px 0px #121214;
  border-radius: var(--radius-sm);
  padding: 12px;
  display: flex;
  flex-direction: column;
  height: 100%;
  box-sizing: border-box;
  transition: transform 0.15s cubic-bezier(0.16, 1, 0.3, 1), box-shadow 0.15s cubic-bezier(0.16, 1, 0.3, 1);
  position: relative;
  overflow: hidden;
}

.pack-item-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px #9333ea;
}

/* Uniform Fixed-Dimension Square Image Holder - Equal Size Across All Products */
.pack-item-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 1 / 1;
  background: #ffffff;
  border: 1.5px solid #121214;
  border-radius: 2px;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 10px;
  margin-bottom: 10px;
  box-sizing: border-box;
}

/* Scaled Image Strictly Contained Within the Symmetric Holder */
.pack-item-img {
  max-width: 100%;
  max-height: 100%;
  width: auto;
  height: auto;
  object-fit: contain;
  object-position: center;
  display: block;
  filter: drop-shadow(0 3px 6px rgba(0, 0, 0, 0.08));
  transition: transform 0.2s cubic-bezier(0.16, 1, 0.3, 1);
}

.pack-item-card:hover .pack-item-img {
  transform: scale(1.06);
}

.pack-item-category {
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: #9333ea;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 3px;
}

.pack-item-title {
  font-family: var(--font-title);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 0.4px;
  color: #121214;
  line-height: 1.25;
  margin-bottom: 10px;
  min-height: 38px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.pack-item-footer {
  margin-top: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 10px;
  border-top: 1.5px dashed #cbd5e1;
  gap: 8px;
}

.pack-item-slot-label {
  font-family: var(--font-body);
  font-weight: 800;
  color: var(--text-main);
  font-size: 1.15rem;
  white-space: nowrap;
}

.pack-add-btn {
  padding: 8px 16px;
  background: #121214;
  color: #ffffff;
  border: 1.5px solid #121214;
  box-shadow: 2px 2px 0px #121214;
  border-radius: var(--radius-sm);
  font-family: var(--font-body);
  font-size: 1.15rem;
  font-weight: 800;
  text-align: center;
  cursor: pointer;
  transition: transform 0.1s, background 0.1s, box-shadow 0.1s;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  white-space: nowrap;
}

.pack-add-btn:hover:not(:disabled) {
  background: #9333ea;
  transform: translate(-1px, -1px);
  box-shadow: 3px 3px 0px #121214;
}

.pack-add-btn:active:not(:disabled) {
  transform: translate(1px, 1px);
  box-shadow: 1px 1px 0px #121214;
}

.pack-add-btn:disabled {
  opacity: 0.45;
  cursor: not-allowed;
  background: #94a3b8;
  border-color: #64748b;
  box-shadow: none;
}

/* ==========================================================================
   STAGE 4: SLEEVE SELECTION STYLES
   ========================================================================== */
.sleeve-styles-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
  max-width: 980px;
  margin: 30px auto 0;
}

.sleeve-card {
  background: #ffffff;
  border: var(--border-pixel);
  box-shadow: var(--shadow-pixel);
  border-radius: var(--radius-sm);
  padding: 24px 18px;
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  cursor: pointer;
  transition: transform 0.12s, box-shadow 0.12s, border-color 0.12s, background 0.12s;
}

.sleeve-card:hover {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0px #9333ea;
}

.sleeve-card.selected {
  background: #faf5ff;
  border-color: #121214;
  box-shadow: 4px 4px 0px #9333ea;
  outline: 2.5px solid #9333ea;
  outline-offset: 2px;
}

.sleeve-preview-box {
  font-size: 3rem;
  margin-bottom: 14px;
}

/* ==========================================================================
   STICKY BOTTOM ACTION BAR
   ========================================================================== */
.builder-bottom-bar {
  position: sticky;
  bottom: 0;
  z-index: 998;
  background: #ffffff;
  border-top: var(--border-pixel-thick);
  box-shadow: 0 -4px 0px rgba(18, 18, 20, 0.08);
  padding: 18px 0;
}

.builder-bottom-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}

.builder-total-price {
  font-family: var(--font-title);
  font-size: 2rem;
  font-weight: 900;
  color: #121214;
}

.builder-actions-group {
  display: flex;
  align-items: center;
  gap: 14px;
}

/* Responsive */
@media (max-width: 992px) {
  .tier-cards-grid {
    grid-template-columns: 1fr;
  }
  .pack-workspace-grid {
    grid-template-columns: 1fr;
  }
}

/* ==========================================================================
   FLOATING VIEWPORT BOTTOM NAVIGATION CONTROLS (Bottom-Left & Bottom-Right)
   ========================================================================== */
.builder-floating-nav {
  position: fixed;
  bottom: 28px;
  left: 32px;
  right: 32px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  pointer-events: none;
  z-index: 9999;
}

.builder-nav-btn {
  pointer-events: auto;
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 28px;
  font-family: var(--font-body);
  font-size: 1.35rem;
  font-weight: 900;
  border-radius: var(--radius-sm);
  cursor: pointer;
  letter-spacing: 0.5px;
  user-select: none;
  transition: transform 0.18s cubic-bezier(0.16, 1, 0.3, 1),
              box-shadow 0.18s cubic-bezier(0.16, 1, 0.3, 1),
              background-color 0.18s ease,
              opacity 0.22s ease;
}

.builder-btn-prev {
  background: #ffffff;
  color: #121214;
  border: 2px solid #121214;
  box-shadow: 4px 4px 0px #121214;
}

.builder-btn-prev:hover {
  background: #f1f5f9;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #121214;
}

.builder-btn-prev:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #121214;
}

.builder-btn-prev.hidden-step {
  opacity: 0;
  pointer-events: none;
  transform: translateY(12px);
}

.builder-btn-next {
  margin-left: auto; /* Guarantees flush anchor to bottom-right */
  background: #9333ea;
  color: #ffffff;
  border: 2px solid #121214;
  box-shadow: 4px 4px 0px #121214;
}

.builder-btn-next:hover {
  background: #a855f7;
  transform: translate(-2px, -2px);
  box-shadow: 6px 6px 0px #121214;
}

.builder-btn-next:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px #121214;
}

@media (max-width: 640px) {
  .builder-floating-nav {
    bottom: 16px;
    left: 14px;
    right: 14px;
  }
  .builder-nav-btn {
    padding: 12px 18px;
    font-size: 1.15rem;
    gap: 8px;
  }
}