/* PC Builder — shop_builder.css — futuristic light theme */

.builder_header,
.builder_header h1,
.builder_intro,
.builder_error,
.builder_notice,
.builder_notice_text,
.builder_notice_text strong,
.builder_notice_text p,
.builder_group,
.builder_group_title,
.builder_slot,
.builder_slot_label,
.builder_slot_badge,
.builder_slot_placeholder,
.builder_slot_name,
.builder_slot_price,
.builder_btn_choose,
.builder_btn_change,
.builder_btn_remove,
.builder_actions_bar,
.builder_total_label,
#builder_total_price,
.builder_btn,
.builder_btn_clear,
.builder_btn_add,
.builder_picker_modal,
.builder_picker_header h3,
#builder_picker_search,
.builder_picker_toolbar,
.builder_picker_toolbar label,
.builder_picker_toolbar select,
.builder_picker_toolbar input,
#builder_picker_apply,
.builder_picker_meta,
.builder_product_card,
.builder_product_name,
.builder_product_price,
.builder_product_avail,
.builder_pick_btn,
.builder_pager_btn,
.builder_pager_more,
.builder_loading,
.builder_empty {
  font-family: "Roboto Condensed", sans-serif;
}

:root {
  --bld-bg: #ffffff;
  --bld-panel: #ffffff;
  --bld-panel-2: #fafbfd;
  --bld-line: #edf1f6;
  --bld-line-soft: #f3f6fa;
  --bld-text: #1b2b44;
  --bld-text-soft: #5a6a82;
  --bld-muted: #9aa6b8;
  --bld-accent: #1696ef;
  --bld-accent-2: #00c2ff;
  --bld-accent-soft: #f6fbff;
  --bld-accent-glow: rgba(22, 150, 239, 0.15);
  --bld-accent-glow-soft: rgba(22, 150, 239, 0.06);
  --bld-danger: #e23b4f;
  --bld-danger-soft: #fef7f8;
  --bld-radius: 10px;
  --bld-shadow-sm: 0 1px 3px rgba(27, 43, 68, 0.04);
  --bld-shadow-md: 0 4px 14px rgba(27, 43, 68, 0.06);
  --bld-shadow-lg: 0 10px 30px rgba(27, 43, 68, 0.08);
}

/* Header ------------------------------------------------------------------- */
.builder_header {
  margin: 24px 0;
  padding: 44px 40px;
  min-height: 180px;
  background:
    linear-gradient(90deg, #ffffff 0%, rgba(255,255,255,0.85) 45%, rgba(255,255,255,0) 100%),
    url('shop/builder_hero.png') right center / cover no-repeat,
    #ffffff;
  border: 1px solid var(--bld-line);
  border-radius: var(--bld-radius);
  position: relative;
  overflow: hidden;
  color: var(--bld-text);
}
.builder_header::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse at top right, rgba(22, 150, 239, 0.04), transparent 60%);
  pointer-events: none;
}
.builder_header h1,
.builder_intro {
  max-width: 55%;
  position: relative;
  z-index: 1;
}
.builder_header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bld-accent), var(--bld-accent-2), transparent);
}
.builder_header h1 {
  margin: 0 0 6px 0;
  padding: 4px 0;
  font-size: 28px;
  font-weight: 700;
  letter-spacing: 0.5px;
  line-height: 1.3;
  background: linear-gradient(90deg, var(--bld-accent) 0%, var(--bld-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  position: relative;
}
.builder_intro {
  color: var(--bld-text-soft);
  margin: 0;
  position: relative;
  font-size: 14px;
}

.builder_error {
  background: var(--bld-danger-soft);
  border: 1px solid rgba(226, 59, 79, 0.35);
  color: var(--bld-danger);
  padding: 12px 16px;
  margin: 10px 0;
  border-radius: var(--bld-radius);
}

/* Groups & slots ---------------------------------------------------------- */
.builder_group { margin: 28px 0; }
.builder_group_title {
  font-size: 12px;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin: 0 0 14px 0;
  padding-bottom: 8px;
  color: var(--bld-muted);
  border-bottom: 1px solid var(--bld-line);
  position: relative;
  font-weight: 700;
}
.builder_group_title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 44px;
  height: 2px;
  background: linear-gradient(90deg, var(--bld-accent), var(--bld-accent-2));
  border-radius: 2px;
}

.builder_slots {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 16px;
}

.builder_slot {
  position: relative;
  border: 1px solid var(--bld-line);
  border-radius: var(--bld-radius);
  padding: 16px;
  background: #f4faff;
  color: var(--bld-text);
  display: flex;
  flex-direction: column;
  min-height: 180px;
  overflow: hidden;
  transition: transform 0.2s ease, border-color 0.2s ease, box-shadow 0.2s ease;
  box-shadow: var(--bld-shadow-sm);
}
.builder_slot::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bld-accent), var(--bld-accent-2), transparent);
  opacity: 0;
  transition: opacity 0.25s ease;
}
.builder_slot::before { display: none; }
.builder_slot:hover .builder_slot_image img { transform: scale(1.1); }
.builder_slot_filled {
  border-color: rgba(22, 150, 239, 0.35);
  background: #f4faff;
}
.builder_slot_filled::before { opacity: 1; }
.builder_slot_empty { background: #f4faff; }

.builder_slot_head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.builder_slot_label {
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  color: var(--bld-text);
}
.builder_slot_badge {
  font-size: 10px;
  padding: 3px 9px;
  border-radius: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}
.builder_slot_required {
  background: #ffffff;
  color: var(--bld-danger);
  border: 1px solid rgba(226, 59, 79, 0.2);
}
.builder_slot_optional {
  background: #ffffff;
  color: var(--bld-accent);
  border: 1px solid rgba(22, 150, 239, 0.2);
}

.builder_slot_body { flex: 1; }
.builder_slot_placeholder {
  color: var(--bld-muted);
  font-style: italic;
  font-size: 13px;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 84px;
  border: 1px dashed var(--bld-line);
  border-radius: 6px;
  margin-bottom: 10px;
  background: #ffffff;
}
.builder_slot_image {
  height: 90px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  background: #ffffff;
  border-radius: 6px;
  padding: 6px;
  overflow: hidden;
}
.builder_slot_image img {
  max-width: 100%;
  max-height: 80px;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.builder_slot_name {
  font-size: 13px;
  margin-bottom: 6px;
  color: var(--bld-text);
  line-height: 1.35;
}
.builder_slot_price {
  font-weight: 700;
  font-size: 16px;
  color: var(--bld-accent);
}

.builder_slot_actions {
  display: flex;
  gap: 8px;
  margin-top: 12px;
}

/* Buttons ------------------------------------------------------------------ */
.builder_btn_choose,
.builder_btn_change,
.builder_btn_remove {
  padding: 9px 12px;
  border-radius: 6px;
  font-size: 11px;
  letter-spacing: 1.2px;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  display: inline-block;
  transition: all 0.2s ease;
}
.builder_btn_choose {
  background: var(--bld-accent);
  color: #fff;
  width: 100%;
  text-align: center;
}
.builder_btn_choose:hover {
  background: #127fcc;
  color: #fff;
}
.builder_btn_change {
  background: var(--bld-accent);
  color: #fff;
  border-color: var(--bld-accent);
}
.builder_btn_change:hover {
  background: #127fcc;
  border-color: #127fcc;
  color: #fff;
}
.builder_btn_remove {
  background: var(--bld-danger);
  color: #fff;
  border-color: var(--bld-danger);
}
.builder_btn_remove:hover {
  background: #c22d40;
  border-color: #c22d40;
  color: #fff;
}

/* Compatibility notice ---------------------------------------------------- */
.builder_notice {
  margin: 28px 0 10px;
  padding: 18px 22px;
  background: #f4faff;
  border: 1px solid rgba(22, 150, 239, 0.25);
  border-left: 4px solid var(--bld-accent);
  border-radius: var(--bld-radius);
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.builder_notice_icon {
  flex: 0 0 32px;
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bld-accent);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 18px;
  font-family: Georgia, serif;
}
.builder_notice_text strong {
  display: block;
  color: var(--bld-text);
  font-size: 14px;
  margin-bottom: 6px;
  letter-spacing: 0.3px;
}
.builder_notice_text p {
  margin: 0;
  color: var(--bld-text-soft);
  font-size: 13px;
  line-height: 1.6;
}

/* Sticky actions bar ------------------------------------------------------ */
.builder_actions_bar {
  position: sticky;
  bottom: 0;
  margin-top: 34px;
  padding: 16px 24px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--bld-line);
  border-radius: var(--bld-radius);
  color: var(--bld-text);
  display: flex;
  justify-content: space-between;
  align-items: center;
  z-index: 10;
  box-shadow: var(--bld-shadow-lg);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}
.builder_actions_bar::before {
  content: '';
  position: absolute;
  top: -1px; left: 0; right: 0;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bld-accent), var(--bld-accent-2), transparent);
  border-top-left-radius: var(--bld-radius);
  border-top-right-radius: var(--bld-radius);
}
.builder_total_label {
  color: var(--bld-muted);
  margin-right: 10px;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
}
#builder_total_price {
  font-size: 26px;
  font-weight: 700;
  background: linear-gradient(90deg, var(--bld-accent) 0%, var(--bld-accent-2) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.builder_action_buttons { display: flex; gap: 10px; }
.builder_btn {
  padding: 11px 22px;
  border-radius: 6px;
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
  cursor: pointer;
  border: 1px solid transparent;
  text-decoration: none;
  transition: all 0.2s ease;
}
.builder_btn_clear {
  background: #fff;
  color: var(--bld-text-soft);
  border-color: var(--bld-line);
}
.builder_btn_clear:hover {
  color: var(--bld-text);
  background: var(--bld-panel-2);
}
.builder_btn_add {
  background: var(--bld-accent);
  color: #fff;
}
.builder_btn_add:hover {
  background: #127fcc;
  color: #fff;
}

/* Picker modal ------------------------------------------------------------- */
.builder_picker_modal {
  max-width: 960px;
  width: 92%;
  padding: 0;
  border-radius: var(--bld-radius);
  background: var(--bld-panel) !important;
  color: var(--bld-text);
  border: 1px solid var(--bld-line);
  box-shadow: var(--bld-shadow-lg);
  overflow: hidden;
}
.builder_picker_modal a.close-modal {
  top: 5.5px !important;
  right: 4.5px !important;
}
.builder_picker_header {
  padding: 16px 22px;
  border-bottom: 1px solid var(--bld-line);
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  background: #ffffff;
  position: relative;
}
.builder_picker_header::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: -1px;
  height: 2px;
  background: linear-gradient(90deg, transparent, var(--bld-accent), var(--bld-accent-2), transparent);
}
.builder_picker_header h3 {
  margin: 0;
  color: var(--bld-text);
  font-size: 14px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
}
#builder_picker_search {
  padding: 9px 14px;
  border: 1px solid var(--bld-line);
  background: #fff;
  border-radius: 6px;
  font-size: 13px;
  min-width: 260px;
  color: var(--bld-text);
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
#builder_picker_search::placeholder { color: var(--bld-muted); }
#builder_picker_search:focus {
  outline: none;
  border-color: var(--bld-accent);
  box-shadow: 0 0 0 3px var(--bld-accent-glow-soft);
}

.builder_picker_toolbar {
  padding: 12px 22px;
  border-bottom: 1px solid var(--bld-line);
  display: flex;
  gap: 22px;
  flex-wrap: wrap;
  align-items: center;
  font-size: 12px;
  background: #ffffff;
  color: var(--bld-text-soft);
  letter-spacing: 0.5px;
}
.builder_picker_toolbar label {
  display: flex;
  align-items: center;
  gap: 8px;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--bld-muted);
}
.builder_picker_toolbar select,
.builder_picker_toolbar input[type=number] {
  padding: 7px 10px;
  border: 1px solid var(--bld-line);
  background: #fff;
  color: var(--bld-text);
  border-radius: 5px;
  font-size: 12px;
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}
.builder_picker_toolbar select:focus,
.builder_picker_toolbar input[type=number]:focus {
  outline: none;
  border-color: var(--bld-accent);
  box-shadow: 0 0 0 3px var(--bld-accent-glow-soft);
}
.builder_picker_toolbar input[type=number] { width: 95px; }
#builder_picker_apply {
  padding: 7px 14px;
  background: var(--bld-accent);
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  font-weight: 700;
  letter-spacing: 1px;
  transition: background-color 0.2s ease;
}
#builder_picker_apply:hover {
  background: #127fcc;
}

#builder_picker_body {
  padding: 18px 22px;
  max-height: 65vh;
  overflow-y: auto;
  background: var(--bld-panel);
}
#builder_picker_body::-webkit-scrollbar { width: 8px; }
#builder_picker_body::-webkit-scrollbar-track { background: var(--bld-panel-2); }
#builder_picker_body::-webkit-scrollbar-thumb {
  background: var(--bld-line);
  border-radius: 4px;
}
#builder_picker_body::-webkit-scrollbar-thumb:hover { background: var(--bld-accent); }

.builder_picker_meta {
  color: var(--bld-muted);
  margin-bottom: 14px;
  font-size: 12px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-weight: 700;
}
.builder_picker_meta strong {
  color: var(--bld-accent);
}
.builder_picker_grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 14px;
}

/* Product cards in picker */
.builder_product_card {
  position: relative;
  border: 1px solid var(--bld-line);
  border-radius: 8px;
  padding: 12px;
  background: #fff;
  color: var(--bld-text);
  display: flex;
  flex-direction: column;
  text-align: center;
}
.builder_product_card:hover .builder_product_image img { transform: scale(1.15); }

.builder_product_image {
  height: 110px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 10px;
  background: #ffffff;
  border-radius: 6px;
  padding: 6px;
  overflow: hidden;
}
.builder_product_image img {
  max-width: 100%;
  max-height: 100px;
  object-fit: contain;
  transition: transform 0.3s ease;
}
.builder_product_name {
  font-size: 12px;
  line-height: 1.35;
  height: 32px;
  overflow: hidden;
  margin-bottom: 8px;
  color: var(--bld-text);
}
.builder_product_price {
  font-weight: 700;
  font-size: 15px;
  color: var(--bld-accent);
  margin-bottom: 4px;
}
.builder_product_avail {
  font-size: 10px;
  color: var(--bld-muted);
  margin-bottom: 10px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}
.builder_pick_btn {
  padding: 8px 12px;
  background: var(--bld-accent);
  color: #fff;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  font-weight: 700;
  margin-top: auto;
  transition: background-color 0.2s ease;
}
.builder_pick_btn:hover {
  background: #127fcc;
}

.builder_picker_pager {
  margin-top: 16px;
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  justify-content: center;
}
.builder_pager_btn {
  padding: 6px 12px;
  border: 1px solid var(--bld-line);
  background: #fff;
  color: var(--bld-text-soft);
  border-radius: 4px;
  cursor: pointer;
  font-size: 12px;
  font-weight: 600;
  transition: background-color 0.15s ease, color 0.15s ease;
}
.builder_pager_btn:hover {
  color: var(--bld-accent);
  background: var(--bld-panel-2);
}
.builder_pager_btn.active {
  background: var(--bld-accent);
  color: #fff;
  border-color: var(--bld-accent);
}
.builder_pager_more { padding: 6px 4px; color: var(--bld-muted); }

.builder_loading, .builder_empty {
  padding: 40px;
  text-align: center;
  color: var(--bld-muted);
  font-size: 12px;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-weight: 700;
}
.builder_loading::after {
  content: '';
  display: inline-block;
  width: 12px;
  height: 12px;
  border: 2px solid var(--bld-line);
  border-top-color: var(--bld-accent);
  border-radius: 50%;
  margin-left: 10px;
  vertical-align: middle;
  animation: bld_spin 0.8s linear infinite;
}
@keyframes bld_spin { to { transform: rotate(360deg); } }

/* Top nav link */
.total_builder {
  position: relative;
  display: flex;
  align-items: center;
  margin-left: 20px;
  margin-right: 20px;
  font-size: 18px;
  font-weight: bold;
}