/* /build-a-bundle — the roll-your-own bundle builder.
   Page head, crumbs, .btn, .section-title, .reveal and the FAQ section are
   global (style.css). Everything below is unique to this page: the header
   tier ladder, the picker toolbar + selectable product cards, and the sticky
   live receipt. Mirrors imaginando-3-0/project/Imaginando Build a Bundle.html. */

/* ---- header lede ------------------------------------------------------- */
.bundle-head .lede {
  margin-top: 40px;
}
.bundle-head .lede p {
  font-size: 18px;
  line-height: 1.55;
  color: var(--fg-dim);
  max-width: 60ch;
  margin: 0;
  text-wrap: pretty;
}

/* ---- tab switcher (Apps / Packs) -------------------------------------- */
.bb-tabs {
  display: inline-flex;
  gap: 4px;
  padding: 4px;
  margin-bottom: 28px;
  border: 0.5px solid var(--line);
  border-radius: 12px;
  background: var(--card);
}
.bb-tab {
  appearance: none;
  border: 0;
  cursor: pointer;
  padding: 9px 22px;
  border-radius: 9px;
  background: transparent;
  color: var(--fg-dim);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  transition: background 0.2s ease, color 0.2s ease;
}
.bb-tab:hover { color: var(--fg); }
.bb-tab.active {
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  color: var(--accent);
}

/* ---- builder panels (one per tab) ------------------------------------- */
.builder-panel { display: none; }
.builder-panel.active { display: block; }

/* ---- tier ladder ------------------------------------------------------- */
.ladder {
  margin-bottom: 20px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  border: 0.5px solid var(--line);
  border-radius: 14px;
  background: var(--card);
  overflow: hidden;
}
.ladder .rung {
  padding: 18px 20px;
  border-right: 0.5px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 5px;
  transition: background 0.3s ease;
}
.ladder .rung:last-child { border-right: 0; }
.ladder .rung.on { background: color-mix(in oklab, var(--accent) 12%, transparent); }
.ladder .rung .pct {
  font-family: var(--display);
  font-weight: 500;
  font-size: 34px;
  letter-spacing: -0.02em;
  line-height: 1;
}
.ladder .rung.on .pct { color: var(--accent); }
.ladder .rung .lbl {
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
/* Narrow phones (e.g. iPhone 12 mini, 375px): tighten the 3-col ladder so it
   fits the viewport instead of forcing horizontal overflow. */
@media (max-width: 560px) {
  .ladder .rung { padding: 14px 12px; }
  .ladder .rung .pct { font-size: 26px; }
  .ladder .rung .lbl { font-size: 9px; letter-spacing: 0.06em; }
}

/* ---- builder layout --------------------------------------------------- */
.builder { padding: 40px 0 96px; }
.bgrid {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 32px;
  align-items: start;
}
@media (max-width: 1040px) {
  .bgrid { grid-template-columns: 1fr; }
}
/* Grid children must be allowed to shrink below their content's intrinsic
   width, otherwise the 3-col ladder forces the (single, collapsed) track
   wider than the viewport and drags the receipt + cards off-screen. */
.bgrid > div,
.bgrid > .receipt-wrap { min-width: 0; }

/* ---- picker toolbar --------------------------------------------------- */
.picker-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.presets { display: flex; gap: 6px; flex-wrap: wrap; align-items: center; }
.presets-label { margin-right: 4px; }
.pbtn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 13px;
  border-radius: 999px;
  border: 0.5px solid var(--line);
  background: transparent;
  color: var(--fg-dim);
  font: inherit;
  font-size: 12.5px;
  cursor: pointer;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.pbtn:hover { color: var(--fg); border-color: var(--line-strong); }
.pbtn .c {
  font-family: var(--mono);
  font-size: 10px;
  color: var(--fg-faint);
  letter-spacing: 0.06em;
}
.picker-meta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
.picker-meta b { color: var(--fg); font-weight: 500; font-variant-numeric: tabular-nums; }

/* ---- product cards ---------------------------------------------------- */
.cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
}
@media (max-width: 560px) {
  .cards { grid-template-columns: 1fr; }
}
.exp-sep {
  margin: 30px 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}
/* Grid sub-heading ("Pick your apps" / "Pick your expansion packs"). */
.panel-heading {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.panel-heading::after {
  content: "";
  flex: 1;
  height: 0.5px;
  background: var(--line);
}
/* Per-product expansion group: a labelled block so the (long) pack list is
   scannable by product instead of one flat grid. */
.exp-group + .exp-group {
  margin-top: 26px;
}
.exp-group-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 12px;
  font-family: var(--display);
  font-weight: 500;
  font-size: 16px;
  letter-spacing: -0.01em;
  color: var(--fg);
}
.exp-group-title::after {
  content: "";
  flex: 1;
  height: 0.5px;
  background: var(--line);
}
.bb-card {
  position: relative;
  border: 0.5px solid var(--line);
  border-radius: 16px;
  background: var(--card);
  padding: 18px;
  display: flex;
  gap: 16px;
  align-items: flex-start;
  text-align: left;
  width: 100%;
  font: inherit;
  color: inherit;
  cursor: pointer;
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}
.bb-card:hover { border-color: var(--line-strong); transform: translateY(-2px); }
.bb-card.sel {
  border-color: var(--accent);
  background: color-mix(in oklab, var(--accent) 7%, var(--card));
}
.bb-card .thumb {
  width: 64px;
  height: 64px;
  border-radius: 12px;
  flex: none;
  object-fit: cover;
  border: 0.5px solid var(--line);
  background: var(--card-2);
}
.bb-card .info { display: flex; flex-direction: column; gap: 7px; min-width: 0; flex: 1; }
.bb-card .top { display: flex; align-items: baseline; gap: 10px; flex-wrap: wrap; }
.bb-card h3 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 22px;
  letter-spacing: -0.01em;
  margin: 0;
  line-height: 1;
}
.bb-card .kind { color: var(--fg-dim); font-size: 13px; }
.bb-card .new {
  font-family: var(--mono);
  font-size: 9px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--accent-ink);
  background: var(--accent);
  padding: 2px 6px;
  border-radius: 4px;
}
.bb-card .meta { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; margin-top: 2px; }
.bb-card .price {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--fg-faint);
  letter-spacing: 0.04em;
}
/* On-sale cluster (refs #415): pill + promo + struck original (~half). */
.bb-card .price:has(.sale-tag) { display: inline-flex; align-items: center; gap: 5px; flex-wrap: wrap; }
.bb-card .price .sale-tag { font-size: 9px; }
.bb-card .price .now { font-size: 13px; font-weight: 600; }
.bb-card .price .was {
  font-size: 10px;
  color: var(--fg-faint);
  text-decoration: line-through;
  opacity: 0.7;
}
/* Promoted (current) price number in the accent colour when on sale (#415). */
.bb-card .price:has(.was) .now { color: var(--accent); }
.bb-card .pf { display: flex; gap: 5px; flex-wrap: wrap; }
.bb-card .pf span {
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.05em;
  color: var(--fg-faint);
  border: 0.5px solid var(--line);
  border-radius: 5px;
  padding: 2px 6px;
}
.bb-card .check {
  position: absolute;
  top: 14px;
  right: 14px;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 0.5px solid var(--line-strong);
  display: grid;
  place-items: center;
  font-size: 13px;
  color: transparent;
  transition: background 0.25s ease, border-color 0.25s ease, color 0.25s ease;
}
.bb-card.sel .check { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.bb-card .cat-tag {
  position: absolute;
  bottom: 14px;
  right: 16px;
  font-family: var(--mono);
  font-size: 9.5px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--fg-faint);
}

/* ---- sticky receipt --------------------------------------------------- */
.receipt-wrap { position: sticky; top: 88px; }
.receipt {
  border: 0.5px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  overflow: hidden;
}
.receipt .rhead { padding: 22px 22px 18px; border-bottom: 0.5px dashed var(--line); }
.receipt .rhead .mono { margin-bottom: 8px; display: block; }
.receipt .rhead h2 {
  font-family: var(--display);
  font-weight: 500;
  font-size: 26px;
  letter-spacing: -0.02em;
  margin: 0;
  line-height: 1;
}
.receipt .rhead h2 em {
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  color: var(--accent);
}

/* progress to next tier */
.progress { padding: 16px 22px; border-bottom: 0.5px dashed var(--line); }
.progress .track {
  height: 6px;
  border-radius: 999px;
  background: var(--line);
  overflow: hidden;
  margin-bottom: 10px;
}
.progress .fill {
  height: 100%;
  background: var(--accent);
  border-radius: 999px;
  transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
.progress .hint { font-size: 13px; color: var(--fg-dim); text-wrap: pretty; line-height: 1.45; }
.progress .hint b { color: var(--fg); font-weight: 500; }
.progress .hint .em {
  color: var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-size: 1.15em;
}

/* selected lines */
.rlines { padding: 8px 22px; max-height: 230px; overflow-y: auto; }
.rlines .empty {
  padding: 24px 0;
  text-align: center;
  color: var(--fg-faint);
  font-size: 13px;
  line-height: 1.5;
}
.rline {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 12px;
  align-items: center;
  padding: 9px 0;
  border-bottom: 0.5px solid var(--line);
  font-size: 13.5px;
}
.rline:last-child { border-bottom: 0; }
.rline .rn { font-family: var(--display); font-weight: 500; }
.rline .rn small {
  color: var(--fg-faint);
  font-weight: 400;
  font-family: var(--body);
  font-size: 11.5px;
  margin-left: 7px;
}
.rline .rp { font-family: var(--mono); font-size: 11.5px; color: var(--fg-faint); }
.rline .rx {
  width: 20px;
  height: 20px;
  border-radius: 50%;
  border: 0.5px solid var(--line);
  background: transparent;
  display: grid;
  place-items: center;
  font-size: 11px;
  color: var(--fg-faint);
  cursor: pointer;
  transition: border-color 0.2s ease, color 0.2s ease;
}
.rline .rx:hover { border-color: var(--accent); color: var(--fg); }

/* totals */
.totals {
  padding: 18px 22px;
  border-top: 0.5px dashed var(--line);
  display: flex;
  flex-direction: column;
  gap: 9px;
}
.trow { display: flex; align-items: center; justify-content: space-between; font-size: 13.5px; color: var(--fg-dim); }
.trow .v { font-family: var(--mono); font-size: 12.5px; letter-spacing: 0.02em; }
.trow.strike .v { text-decoration: line-through; text-decoration-color: var(--fg-faint); }
.trow.disc, .trow.disc .v { color: var(--accent); }
.trow.grand { padding-top: 12px; margin-top: 3px; border-top: 0.5px solid var(--line); }
.trow.grand .k { font-family: var(--display); font-weight: 500; font-size: 16px; color: var(--fg); }
.trow.grand .v {
  font-family: var(--display);
  font-weight: 500;
  font-size: 30px;
  letter-spacing: -0.02em;
  color: var(--fg);
}
.trow.grand .v span {
  color: var(--accent);
  font-family: var(--serif);
  font-style: italic;
  font-weight: 400;
  font-size: 0.55em;
  margin-left: 5px;
}

/* actions */
.ractions { padding: 0 22px 22px; display: flex; flex-direction: column; gap: 9px; }
.ractions .btn { width: 100%; height: 46px; justify-content: center; font-size: 14px; }
.ractions .sub { display: flex; gap: 9px; }
.ractions .sub .btn { height: 40px; font-size: 12.5px; flex: 1; }
.savebadge {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 11px;
  border-radius: 10px;
  background: color-mix(in oklab, var(--accent) 14%, transparent);
  border: 0.5px solid color-mix(in oklab, var(--accent) 40%, transparent);
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 3px;
}
.savebadge b { font-family: var(--display); font-size: 15px; font-weight: 500; letter-spacing: -0.01em; }

/* ---- toast ------------------------------------------------------------ */
.toast {
  position: fixed;
  left: 50%;
  bottom: 28px;
  transform: translateX(-50%) translateY(20px);
  z-index: 80;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px 14px 18px;
  border-radius: 14px;
  background: var(--accent);
  color: var(--accent-ink);
  box-shadow: 0 18px 50px rgba(0, 0, 0, 0.4);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.35s ease, transform 0.35s ease;
}
.toast.show { opacity: 1; transform: translateX(-50%) translateY(0); pointer-events: auto; }
.toast .tmsg { font-size: 13.5px; }
.toast .tmsg b { font-family: var(--display); font-weight: 600; }
.toast .toast-cta {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  border: 0.5px solid rgba(0, 0, 0, 0.4);
  border-radius: 999px;
  padding: 7px 13px;
  white-space: nowrap;
}
.toast .toast-cta:hover { background: rgba(0, 0, 0, 0.1); }