/* Build Planner */
.bp-summary {
  position: sticky; top: 0; z-index: 10; display: flex; flex-wrap: wrap; gap: .5rem 1.25rem; align-items: center;
  margin-top: 1.25rem; padding: .7rem 1rem; background: var(--deep); color: var(--deep-ink);
  border-radius: var(--radius-sm); border-bottom: 2px solid var(--amber); box-shadow: var(--shadow);
}
.bp-summary__item { display: flex; flex-direction: column; line-height: 1.15; }
.bp-summary__item span { font-size: .7rem; text-transform: uppercase; letter-spacing: .08em; color: var(--deep-muted); }
.bp-summary__item strong { font-size: 1.25rem; font-variant-numeric: tabular-nums; }
.bp-summary__item--hero strong { font-size: 1.6rem; color: var(--amber); }
.bp-summary__actions { margin-left: auto; }
.bp-summary .btn--ghost { color: var(--deep-ink); border-color: rgba(255,255,255,.25); }
.bp-summary .btn--ghost:hover { background: rgba(255,255,255,.08); color: #fff; }

.bp-tabs { display: flex; flex-wrap: wrap; gap: .4rem; align-items: center; }
.bp-tab { border: 1px solid var(--line-strong); background: var(--surface); color: var(--ink-soft); border-radius: 999px; padding: .4rem .9rem; font: 600 .85rem var(--font-body); cursor: pointer; min-height: 34px; }
.bp-tab[aria-selected="true"] { background: var(--deep); border-color: var(--deep); color: #fff; }
.bp-only { margin-left: auto; font-size: .88rem; }

.bp-trees { display: grid; gap: .9rem; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); margin-top: 1rem; align-items: start; }
.bp-tree { background: var(--surface-2); border: 1px solid var(--line); border-radius: var(--radius-sm); overflow: hidden; scroll-margin-top: 90px; }
.bp-tree.is-used { border-color: var(--amber); }
.bp-tree__head { display: flex; justify-content: space-between; align-items: baseline; gap: .5rem; padding: .6rem .8rem; background: var(--surface); border-bottom: 1px solid var(--line); }
.bp-tree__head h4 { margin: 0; font-size: 1rem; }
.bp-tree__head h4 a { color: var(--ink); text-decoration: none; }
.bp-tree__head h4 a:hover { color: var(--accent); text-decoration: underline; }
.bp-tree__meta { font-size: .8rem; color: var(--muted); white-space: nowrap; }
.bp-tree.is-used .bp-tree__req { color: var(--amber); }

.bp-perks { list-style: none; margin: 0; padding: .35rem; display: grid; gap: .25rem; }
.pk { display: grid; grid-template-columns: 1fr auto; gap: .15rem .5rem; padding: .4rem .5rem; border-radius: 6px; border: 1px solid transparent; }
.pk__btn { all: unset; cursor: pointer; font-weight: 600; font-size: .9rem; color: var(--ink); display: flex; align-items: center; gap: .4rem; min-height: 28px; }
.pk__btn:focus-visible { outline: 3px solid var(--amber); outline-offset: 2px; border-radius: 4px; }
.pk__req { font-size: .75rem; color: var(--muted); font-variant-numeric: tabular-nums; align-self: center; }
.pk__fx { grid-column: 1 / -1; font-size: .8rem; color: var(--muted); line-height: 1.35; }
.pk__pre { color: var(--muted); font-style: italic; }
.pk__pips { display: inline-flex; gap: 3px; }
.pk__pip { width: 9px; height: 9px; border-radius: 50%; border: 1.5px solid var(--line-strong); background: transparent; }
.pk__pip.is-on { background: var(--amber); border-color: var(--amber); }
.pk.is-taken { background: var(--surface); border-color: var(--amber); }
.pk.is-taken .pk__btn { color: var(--ink); }
.pk.is-locked .pk__btn { color: var(--muted); }
.pk.is-locked { opacity: .55; }
.pk:hover { border-color: var(--line-strong); }
.bp-tree[hidden] { display: none !important; }
@media (max-width: 640px) {
  .bp-summary { top: 0; flex-wrap: nowrap; gap: .9rem; padding: .5rem .75rem; }
  .bp-summary__item--split { display: none; }
  .bp-summary__item strong { font-size: 1.1rem; }
  .bp-summary__item--hero strong { font-size: 1.35rem; }
  .bp-summary__actions { margin-left: auto; }
  .bp-summary .btn { padding: .35rem .6rem; }
}