/* ============================================================
   Parts Catalogue tab.
   ============================================================ */
/* ===== catalogue paper stage ===== */
.catalogue-stage {
  background:
    repeating-linear-gradient(0deg,  transparent 0 21px, rgba(0,0,0,0.04) 21px 22px),
    repeating-linear-gradient(90deg, transparent 0 21px, rgba(0,0,0,0.04) 21px 22px),
    linear-gradient(180deg, var(--bg-bench), var(--bg-bench-2));
  padding: 24px 28px 28px 28px;
  border-radius: var(--r-lg);
  border: 1px solid var(--border-bench);
  box-shadow: inset 0 4px 6px rgba(0,0,0,0.08);
  position: relative;
  min-height: 70vh;
}
.catalogue-paper {
  position: relative;
  background: var(--paper-cream);
  background-image:
    radial-gradient(ellipse at top, rgba(0,0,0,0.04), transparent 60%),
    linear-gradient(180deg, rgba(0,0,0,0.015), rgba(0,0,0,0.015));
  border: 1px solid var(--paper-edge);
  box-shadow:
    0 8px 18px rgba(0,0,0,0.22),
    inset 0 1px 0 #fff;
  color: var(--paper-text);
  font-family: "Segoe UI", sans-serif;
  padding: var(--sp-4) var(--sp-5);
}
.catalogue-paper::before,
.catalogue-paper::after {
  content: "";
  position: absolute;
  background: var(--paper-cream);
  border: 1px solid var(--paper-edge);
  z-index: -1;
}
.catalogue-paper::before { top: 4px;  left: 4px;  right: -4px; bottom: -4px; transform: rotate(0.4deg); }
.catalogue-paper::after  { top: -4px; left: -4px; right: 4px;  bottom: 4px;  transform: rotate(-0.3deg); }

.paper-header {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  border-bottom: 2px solid var(--paper-text);
  padding-bottom: 6px;
  margin-bottom: 14px;
}
.paper-title {
  font-weight: 800;
  font-size: 18px;
  letter-spacing: 2px;
  text-transform: uppercase;
}
.paper-subtitle {
  font-size: 10px;
  letter-spacing: 1px;
  color: var(--paper-dim);
  font-weight: 600;
}
.catalogue {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.cat-group {
  background: transparent;
  border: none;
  border-radius: 0;
  overflow: visible;
}
.cat-head {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px 0 4px 0;
  background: transparent;
  border-bottom: none;
  position: relative;
  margin-top: 14px;
}
.cat-head::before,
.cat-head::after {
  content: "—";
  color: var(--paper-dim);
  font-weight: 700;
}
.cat-head .chip-icon {
  background: transparent;
  color: var(--paper-text);
  width: 22px;
  height: 22px;
}
.cat-head .chip-icon svg { color: var(--paper-text); }
.cat-title {
  font-weight: var(--fw-bold);
  font-size: var(--fs-md);
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--paper-text);
}
.cat-lock-note {
  margin-left: auto;
  font-size: 9px;
  letter-spacing: 1px;
  color: var(--paper-dim);
  background: transparent;
  border: 1px dashed var(--paper-dim);
  text-transform: uppercase;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 999px;
}

/* ===== catalogue tabs (replaces .brand-filter) ===== */
/* Sticky to the top of the scrolling .main-view so the brand-filter
   chips stay reachable as the player scrolls down through hundreds
   of catalogue rows. The pulled-up margin + matching padding-top
   keep the chips visually in their original position when unscrolled,
   but extend the box's TOP edge upward into the .catalogue-stage and
   .main-view padding. When the chips stick, that extended box covers
   the otherwise-visible gap between the topbar and the chip text.
   Without it, rows scrolling beneath would show through the padding
   area. */
.catalogue-tabs {
  display: flex;
  gap: 2px;
  padding: 48px 0 0 24px;          /* 8px original + 40px extension */
  margin: -40px 0 -1px 0;          /* pull the extended top back into layout */
  position: sticky;
  top: -16px;                       /* compensate for .main-view padding-top */
  z-index: 10;
  /* Bench gradient covers the chip-row gap area AND the extended
     padding-top area above. */
  background: linear-gradient(180deg,
    var(--bg-bench) 0%,
    var(--bg-bench) 60%,
    var(--bg-bench-2) 100%);
}
.catalogue-tabs .brand-chip {
  background: #e8dec0;
  color: var(--paper-dim);
  border: 1px solid var(--paper-edge);
  border-bottom: none;
  border-radius: 6px 6px 0 0;
  padding: 6px var(--sp-3);
  font-size: var(--fs-sm);
  font-weight: var(--fw-bold);
  letter-spacing: 0.5px;
  cursor: pointer;
  box-shadow: inset 0 -3px 6px rgba(0,0,0,0.06);
  transition: background var(--dur-fast) var(--ease),
              color var(--dur-fast) var(--ease),
              transform var(--dur-fast) var(--ease);
}
.catalogue-tabs .brand-chip:hover {
  background: #f0e6c8;
  color: var(--paper-text);
}
.catalogue-tabs .brand-chip.selected {
  background: var(--paper-cream);
  color: var(--paper-text);
  transform: translateY(-2px);
  box-shadow: none;
}
.catalogue-tabs .brand-chip.selected[data-brand-filter="all"] {
  background: var(--paper-cream);
  color: var(--paper-text);
}
.catalogue-tabs .brand-chip[data-brand-filter]:not([data-brand-filter="all"]).selected {
  border-top: 3px solid var(--brand-color);
  padding-top: 4px;
}
.cat-rows {
  display: flex;
  flex-direction: column;
}
.cat-row {
  display: grid;
  grid-template-columns: 1fr 60px 50px 50px 80px 70px 80px;
  align-items: center;
  gap: 10px;
  padding: 5px 0;
  border-bottom: 1px dotted var(--paper-edge);
  font-size: 11px;
  color: var(--paper-text);
  border-left: none;
  padding-left: 0;
  background: transparent;
}
.cat-row:last-child { border-bottom: none; }
.cat-row.locked { opacity: 0.55; }
.cat-row:hover:not(.locked) { background: rgba(255, 230, 170, 0.18); }

.cat-row svg { color: var(--paper-text); }
.cat-row .chip-icon { background: transparent; width: 22px; height: 22px; color: var(--paper-text); }

/* Rush Supplier upgrade adds a 🚚 button next to Order — wrap both in
   a tiny flex container that fits the existing last grid cell. */
.cat-order-cell { display: flex; gap: 4px; align-items: center; justify-content: flex-end; }
.cat-order-cell .cat-rush {
  padding: 4px 6px;
  min-width: 30px;
  background: rgba(255, 200, 80, 0.22);
  border: 1px solid rgba(255, 200, 80, 0.65);
  color: #b07028;
  border-radius: 4px;
  cursor: pointer;
}
.cat-order-cell .cat-rush:hover { background: rgba(255, 200, 80, 0.36); }

.cat-name {
  font-weight: 600;
  font-size: 12px;
  color: var(--paper-text);
}
.cat-brand {
  display: flex;
  justify-content: center;
}
.cat-brand .brand-tag {
  font-size: 9px;
  min-width: 30px;
  height: 14px;
}
.cat-tier {
  font-size: 9px;
  font-weight: 800;
  letter-spacing: 1px;
  text-align: center;
  text-transform: uppercase;
  background: transparent;
  border: 1px solid var(--paper-edge);
  color: var(--paper-dim);
  padding: 1px 4px;
  border-radius: 2px;
}
.tier-budget    { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.tier-oem       { background: rgba(79,195,247,0.18); color: var(--accent); }
.tier-premium   { background: rgba(196,123,255,0.18); color: var(--premium); }
.tier-standard  { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.tier-hepa      { background: rgba(76,175,80,0.18);  color: var(--good-soft); }
.tier-refurb    { background: rgba(255,170,58,0.15); color: var(--warn-soft); }
.tier-aftermkt  { background: rgba(255,255,255,0.06); color: var(--text-dim); }
.tier-heated    { background: rgba(232,80,58,0.18);  color: var(--bad-soft); font-weight: var(--fw-bold); }
.tier-carbon    { background: rgba(40,40,50,0.55);   color: #d0d6df; border: 1px solid rgba(255,255,255,0.10); }
.tier-sensawake { background: rgba(62,145,176,0.22); color: #7ec5e0; }
.tier-hq-plastic{ background: rgba(220,224,230,0.16); color: #d8dde5; }
.tier-fabric    { background: rgba(176,128,200,0.22); color: #c8a8e0; }
.tier-gold-plated { background: rgba(255,209,102,0.18); color: var(--money); font-weight: var(--fw-bold); }
.tier-pro       { background: rgba(95,163,122,0.22); color: #7fc99a; }

.cat-q, .cat-deliver {
  font-size: 10px;
  color: var(--paper-dim);
  text-align: right;
  font-family: "Courier New", monospace;
}
.cat-price {
  font-weight: 800;
  color: var(--paper-text);
  font-size: 13px;
  text-align: right;
  font-family: "Courier New", monospace;
}
.cat-price .strike {
  color: var(--paper-dim);
  font-weight: 400;
  font-size: 10px;
}

/* button → stamp */
.cat-row .btn-small {
  background: transparent;
  color: var(--paper-text);
  border: 1.5px solid var(--paper-text);
  border-radius: 3px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 800;
  letter-spacing: 1.5px;
  text-transform: uppercase;
  font-family: "Courier New", monospace;
  box-shadow: 1px 1px 0 var(--paper-text);
  transition: transform var(--dur-fast) var(--ease);
}
.cat-row .btn-small:hover:not(:disabled) {
  background: var(--paper-text);
  color: var(--paper-cream);
  transform: translate(-1px, -1px);
  box-shadow: 2px 2px 0 var(--paper-text);
}
.cat-row .btn-small:disabled {
  border-color: var(--paper-dim);
  color: var(--paper-dim);
  box-shadow: 1px 1px 0 var(--paper-dim);
}

/* Responsive: the 7 fixed-px columns (~450px) overflow the narrow-layout
   content width below ~600px, clipping the rightmost Order button. Let the
   row list scroll horizontally and tighten the tracks so the Order cell is
   always reachable on phones/tablets. */
@media (max-width: 900px) {
  .cat-rows { overflow-x: auto; -webkit-overflow-scrolling: touch; }
  .cat-row {
    grid-template-columns: minmax(110px, 1fr) 40px 54px 40px 44px auto 64px;
    gap: 6px;
    min-width: max-content;
  }
}