/* ---- LOADOUT BUILDER ---- */

.shop-builder {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 16px + env(safe-area-inset-top, 0px));
  margin-bottom: 32px;
  padding: 18px;
  border: 1px solid rgba(197, 160, 89, 0.32);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(ellipse at 0% 0%, rgba(255, 184, 0, 0.08) 0%, transparent 50%),
    linear-gradient(160deg, rgba(43, 58, 28, 0.42) 0%, rgba(8, 10, 8, 0.92) 100%);
  box-shadow:
    0 0 0 1px rgba(0, 0, 0, 0.45) inset,
    0 24px 60px rgba(0, 0, 0, 0.45);
  overflow: hidden;
}

.shop-builder::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, transparent, var(--gold-bright), #fff6d0, var(--gold-bright), transparent);
  opacity: 0.85;
}

.shop-builder::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(255, 255, 255, 0.012) 2px,
    rgba(255, 255, 255, 0.012) 3px
  );
  pointer-events: none;
}

.builder-head {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.builder-head__badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  width: fit-content;
  padding: 5px 12px;
  border: 1px solid rgba(255, 184, 0, 0.35);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--gold-bright);
}

.builder-head h2 {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 2.8rem);
  letter-spacing: 0.08em;
  line-height: 0.95;
  color: var(--white);
}

.builder-head h2 span {
  color: var(--gold-bright);
}

.builder-head p {
  max-width: 620px;
  font-size: 0.88rem;
  line-height: 1.55;
  color: var(--grey-light);
}

/* Base picker */

.builder-bases {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.builder-base-card {
  display: flex;
  flex-direction: column;
  padding: 0;
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: 14px;
  background: rgba(0, 0, 0, 0.45);
  color: inherit;
  text-align: left;
  cursor: pointer;
  overflow: hidden;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.builder-base-card:hover,
.builder-base-card:focus-visible {
  border-color: rgba(255, 184, 0, 0.5);
  box-shadow: 0 0 24px rgba(255, 184, 0, 0.12);
  outline: none;
}

.builder-base-card:active {
  transform: scale(0.98);
}

.builder-base-card__media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 92px;
  padding: 12px;
  background:
    radial-gradient(circle at 50% 60%, rgba(255, 184, 0, 0.08) 0%, transparent 65%),
    rgba(0, 0, 0, 0.35);
  overflow: hidden;
}

.builder-base-card__sprite {
  filter: drop-shadow(0 8px 16px rgba(0, 0, 0, 0.55));
}

.builder-base-card__placeholder {
  color: rgba(197, 160, 89, 0.35);
}

.builder-base-card__price {
  position: absolute;
  top: 8px;
  right: 8px;
  padding: 3px 8px;
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.65);
  border: 1px solid rgba(255, 184, 0, 0.35);
  font-family: var(--font-display);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.builder-base-card__body {
  padding: 10px 12px 12px;
}

.builder-base-card__body strong {
  display: block;
  font-size: 0.92rem;
  color: var(--cream);
  margin-bottom: 2px;
}

.builder-base-card__body span {
  font-size: 0.72rem;
  color: var(--grey-light);
}

/* Workspace */

.builder-workspace {
  position: relative;
  z-index: 1;
  display: none;
  grid-template-columns: 1fr;
  gap: 16px;
}

.shop-builder.has-base .builder-bases {
  display: none;
}

.shop-builder.has-base .builder-workspace {
  display: grid;
}

.builder-layout {
  display: grid;
  gap: 16px;
}

.builder-preview {
  position: relative;
  min-height: 280px;
  padding: 16px;
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: 16px;
  background:
    radial-gradient(circle at 50% 40%, rgba(43, 58, 28, 0.35) 0%, transparent 60%),
    repeating-linear-gradient(
      90deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px,
      transparent 24px
    ),
    repeating-linear-gradient(
      0deg,
      rgba(255, 255, 255, 0.02) 0,
      rgba(255, 255, 255, 0.02) 1px,
      transparent 1px,
      transparent 24px
    ),
    rgba(0, 0, 0, 0.5);
  overflow: hidden;
}

.builder-preview__scan {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 0%, rgba(255, 184, 0, 0.06) 50%, transparent 100%);
  background-size: 100% 220%;
  animation: builderScan 5s linear infinite;
  pointer-events: none;
  opacity: 0.45;
}

@keyframes builderScan {
  0% { background-position: 0 -120%; }
  100% { background-position: 0 120%; }
}

.builder-preview__hud {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.builder-preview__title strong {
  display: block;
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.06em;
  color: var(--white);
  line-height: 1;
}

.builder-preview__title span {
  display: block;
  margin-top: 4px;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--gold);
}

.builder-preview__actions {
  display: flex;
  gap: 8px;
}

.builder-icon-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 12px;
  border: 1px solid rgba(197, 160, 89, 0.28);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.45);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
}

.builder-icon-btn:active {
  background: rgba(255, 184, 0, 0.12);
}

.builder-preview__stage {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 150px;
  margin: 8px 0 14px;
}

.builder-preview__weapon {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform 0.35s ease, filter 0.35s ease;
}

.builder-preview__weapon.is-pulse {
  animation: builderPulse 0.45s ease;
}

@keyframes builderPulse {
  0% { transform: scale(1); filter: brightness(1); }
  40% { transform: scale(1.03); filter: brightness(1.15); }
  100% { transform: scale(1); filter: brightness(1); }
}

.builder-preview__layer {
  filter: drop-shadow(0 10px 24px rgba(0, 0, 0, 0.65));
}

.builder-preview__loadout {
  position: relative;
  z-index: 2;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.builder-preview__empty {
  font-size: 0.78rem;
  color: var(--grey-light);
}

.builder-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 10px;
  border: 1px solid rgba(255, 184, 0, 0.28);
  border-radius: 999px;
  background: rgba(255, 184, 0, 0.08);
  color: var(--cream);
  font-family: var(--font-body);
  font-size: 0.68rem;
  cursor: pointer;
}

.builder-chip__slot {
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--gold);
}

.builder-chip__remove {
  font-size: 1rem;
  line-height: 1;
  color: rgba(255, 255, 255, 0.55);
}

/* Config panel */

.builder-panel {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid rgba(197, 160, 89, 0.2);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.42);
}

.builder-slot-tabs {
  display: flex;
  flex-wrap: nowrap;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
  padding-bottom: 2px;
}

.builder-slot-tabs::-webkit-scrollbar { display: none; }

.builder-slot {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  flex: 0 0 auto;
  min-height: 44px;
  padding: 8px 12px;
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: 999px;
  background: rgba(0, 0, 0, 0.35);
  color: var(--grey-light);
  font-family: var(--font-body);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.builder-slot.is-active,
.builder-slot.is-equipped.is-active {
  background: rgba(255, 184, 0, 0.16);
  border-color: rgba(255, 184, 0, 0.5);
  color: var(--gold-bright);
}

.builder-slot.is-equipped:not(.is-active) {
  border-color: rgba(120, 200, 120, 0.35);
  color: var(--cream);
}

.builder-slot__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #7fd47f;
  box-shadow: 0 0 8px rgba(127, 212, 127, 0.65);
}

.builder-parts-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.builder-parts-head h3 {
  font-family: var(--font-display);
  font-size: 1.25rem;
  letter-spacing: 0.06em;
  color: var(--white);
}

.builder-parts-head span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--grey-light);
}

.builder-parts-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  max-height: 340px;
  overflow: auto;
  padding-right: 4px;
}

.builder-part {
  display: grid;
  grid-template-columns: 96px 1fr;
  gap: 10px;
  align-items: center;
  padding: 10px;
  border: 1px solid rgba(197, 160, 89, 0.18);
  border-radius: 12px;
  background: rgba(0, 0, 0, 0.35);
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--transition), background var(--transition), transform var(--transition);
}

.builder-part:hover,
.builder-part:focus-visible {
  border-color: rgba(255, 184, 0, 0.4);
  outline: none;
}

.builder-part.is-selected {
  border-color: rgba(255, 184, 0, 0.65);
  background: rgba(255, 184, 0, 0.1);
  box-shadow: 0 0 0 1px rgba(255, 184, 0, 0.15) inset;
}

.builder-part:active {
  transform: scale(0.99);
}

.builder-part__thumb {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.03);
}

.builder-part__info strong {
  display: block;
  font-size: 0.78rem;
  line-height: 1.3;
  color: var(--cream);
  margin-bottom: 4px;
}

.builder-part__price {
  display: block;
  font-family: var(--font-display);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  margin-bottom: 6px;
}

.builder-part__stats {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.builder-part__stat {
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.58rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.builder-part__stat.is-up {
  background: rgba(80, 180, 100, 0.15);
  color: #8fe0a0;
}

.builder-part__stat.is-down {
  background: rgba(200, 90, 90, 0.15);
  color: #f0a0a0;
}

.builder-parts-empty,
.builder-error {
  grid-column: 1 / -1;
  padding: 16px;
  text-align: center;
  color: var(--grey-light);
  font-size: 0.85rem;
}

/* Stats HUD */

.builder-stats {
  position: relative;
  z-index: 1;
  margin-top: 16px;
  padding: 14px;
  border: 1px solid rgba(197, 160, 89, 0.22);
  border-radius: 16px;
  background: rgba(0, 0, 0, 0.48);
}

.builder-stats__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.builder-stats__head h3 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  letter-spacing: 0.08em;
  color: var(--white);
}

.builder-stats__head p {
  font-size: 0.72rem;
  color: var(--grey-light);
}

.builder-stats-grid {
  display: grid;
  gap: 12px;
}

.builder-stat__head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 6px;
}

.builder-stat__label {
  flex: 1;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--grey-light);
}

.builder-stat__value {
  font-family: var(--font-display);
  font-size: 1.2rem;
  letter-spacing: 0.04em;
  color: var(--gold-bright);
}

.builder-stat__delta {
  min-width: 34px;
  padding: 2px 6px;
  border-radius: 999px;
  font-size: 0.62rem;
  font-weight: 700;
  text-align: center;
}

.builder-stat__delta.is-up {
  background: rgba(80, 180, 100, 0.18);
  color: #8fe0a0;
}

.builder-stat__delta.is-down {
  background: rgba(200, 90, 90, 0.18);
  color: #f0a0a0;
}

.builder-stat__delta.is-neutral {
  background: rgba(255, 255, 255, 0.06);
  color: var(--grey-light);
}

.builder-stat__track {
  position: relative;
  height: 10px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.06);
  overflow: hidden;
}

.builder-stat__fill {
  position: absolute;
  inset: 0 auto 0 0;
  border-radius: inherit;
  background: linear-gradient(90deg, rgba(197, 160, 89, 0.5), var(--gold-bright));
  box-shadow: 0 0 12px rgba(255, 184, 0, 0.35);
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.builder-stat__base {
  position: absolute;
  top: 50%;
  left: 0;
  height: 2px;
  transform: translateY(-50%);
  background: rgba(255, 255, 255, 0.55);
  pointer-events: none;
  transition: width 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Footer */

.builder-footer {
  position: sticky;
  bottom: 0;
  z-index: 30;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 14px;
  margin-left: -14px;
  margin-right: -14px;
  padding: 14px;
  padding-bottom: calc(14px + env(safe-area-inset-bottom, 0px));
  border-top: 1px solid rgba(197, 160, 89, 0.22);
  background: linear-gradient(180deg, rgba(12, 16, 10, 0.92), rgba(8, 10, 8, 0.98));
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.builder-total {
  display: grid;
  gap: 2px;
}

.builder-total span {
  font-size: 0.65rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--grey-light);
}

.builder-total strong {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 6vw, 2.4rem);
  letter-spacing: 0.04em;
  color: var(--gold-bright);
  line-height: 1;
}

.builder-footer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.builder-footer__actions .btn {
  justify-content: center;
}

.builder-footer__actions .btn.is-disabled,
.builder-footer__actions .btn:disabled {
  opacity: 0.45;
  pointer-events: none;
}

@media (min-width: 640px) {
  .builder-bases {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .builder-stats-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .builder-bases {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .builder-layout {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: stretch;
  }

  .builder-preview {
    min-height: 100%;
  }

  .builder-stats-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .builder-preview__scan,
  .builder-preview__weapon.is-pulse {
    animation: none;
  }

  .builder-stat__fill,
  .builder-stat__base {
    transition: none;
  }
}