/* VSR Faction Build Trees. Loaded only by build/index.html.
   Colors come from --kb-* and --kb-faction-* tokens. */

.vt-tree-page {
    min-height: 0;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    padding: 0.85rem 1rem 0.75rem;
    overflow: hidden;
}

.vt-tree-head {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 0.55rem 0.85rem;
}

.vt-tree-title {
    margin: 0;
    font-size: 1.35rem;
    font-weight: 650;
    color: var(--kb-text-primary);
}

.vt-tree-find {
    flex: 1 1 14rem;
    max-width: 18rem;
    margin-left: auto;
    background: var(--kb-bg-subtle);
    color: var(--kb-text-primary);
    border-color: var(--kb-border-subtle);
}

.vt-tree-find:focus {
    background: var(--kb-bg-subtle);
    color: var(--kb-text-primary);
    border-color: var(--kb-primary);
    box-shadow: 0 0 0 0.2rem color-mix(in oklab, var(--kb-primary) 25%, transparent);
}

.vt-tree-status {
    margin: 0;
    color: var(--kb-text-muted);
    font-size: 0.85rem;
}

.vt-tree-status.is-error {
    color: var(--kb-danger);
}

.vt-tree-tabs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.3rem;
}

.vt-tree-tab {
    --vt-tab: var(--kb-primary);
    border: 1px solid var(--kb-border-subtle);
    background: transparent;
    color: var(--kb-text-secondary);
    border-radius: 999px;
    padding: 0.1rem 0.6rem;
    font-size: 0.8rem;
    font-weight: 650;
    line-height: 1.4;
}

.vt-tree-tab[data-vt-faction-tab="isdf"] { --vt-tab: var(--kb-faction-i); }
.vt-tree-tab[data-vt-faction-tab="hadean"] { --vt-tab: var(--kb-faction-e); }
.vt-tree-tab[data-vt-faction-tab="scion"] { --vt-tab: var(--kb-faction-f); }

.vt-tree-tab.is-active {
    color: var(--kb-text-primary);
    border-color: var(--vt-tab);
    background: color-mix(in oklab, var(--vt-tab) 18%, transparent);
}

.vt-tree-tab:hover,
.vt-tree-tab:focus-visible {
    color: var(--kb-text-primary);
    outline: none;
}

.vt-tree-columns {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-height: 0;
}

.vt-tree-col {
    --vt-tree-faction: var(--kb-primary);
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    min-width: 0;
    min-height: 0;
}

.vt-tree-col[hidden] {
    display: none;
}

.vt-tree-col[data-faction="i"] { --vt-tree-faction: var(--kb-faction-i); }
.vt-tree-col[data-faction="e"] { --vt-tree-faction: var(--kb-faction-e); }
.vt-tree-col[data-faction="f"] { --vt-tree-faction: var(--kb-faction-f); }

.vt-tree-col-body {
    --vt-tile-min: 11rem;
    --vt-tile-gap: 0.7rem;
    overflow: auto;
    flex: 1 1 auto;
    min-height: 0;
    padding-right: 0.35rem;
}

.vt-tree-gallery > .vt-tree-node.is-dim,
.vt-tree-section.is-dim > .vt-tree-section-head {
    opacity: 0.28;
}

.vt-tree-section {
    margin: 0;
    padding: 0;
    border: 0;
}

/* Three nests step in. Deeper producers stay on that last inset. */
.vt-tree-section[data-depth="2"],
.vt-tree-section[data-depth="3"],
.vt-tree-section[data-depth="4"] {
    margin-left: 0.7rem;
}

.vt-tree-conduit {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--vt-tile-min)), 1fr));
    height: 0.85rem;
    margin-top: -1px;
    pointer-events: none;
}

.vt-tree-conduit::before {
    content: "";
    grid-column: 1;
    justify-self: center;
    width: 0.95rem;
    height: 100%;
    transform: translateX(-50%);
    border-right: 2px solid var(--vt-tree-faction);
    border-bottom: 2px solid var(--vt-tree-faction);
}

.vt-tree-section:has(> .vt-tree-section-body:not(.show)) > .vt-tree-conduit {
    display: none;
}

.vt-tree-section-head,
.vt-tree-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(min(100%, var(--vt-tile-min)), 1fr));
    gap: var(--vt-tile-gap);
}

.vt-tree-section-head .vt-tree-tile {
    grid-column: 1;
    grid-row: 1;
}

.vt-tree-section-head .vt-tree-caret {
    grid-column: 1;
    grid-row: 1;
    justify-self: end;
    align-self: start;
    z-index: 1;
    margin: 0.3rem 0.3rem 0 0;
}

.vt-tree-section-body {
    position: relative;
    margin: 0 0 0.85rem;
    padding: 1.15rem 0.7rem 0.75rem;
    background:
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) left 0 top 0 / 14px 2px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) left 0 top 0 / 2px 14px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) right 0 top 0 / 14px 2px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) right 0 top 0 / 2px 14px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) left 0 bottom 0 / 14px 2px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) left 0 bottom 0 / 2px 14px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) right 0 bottom 0 / 14px 2px no-repeat,
        linear-gradient(var(--vt-tree-faction), var(--vt-tree-faction)) right 0 bottom 0 / 2px 14px no-repeat,
        color-mix(in oklab, var(--vt-tree-faction) 7%, transparent);
    box-shadow: inset 0 0 0 1px color-mix(in oklab, var(--vt-tree-faction) 28%, transparent);
}

.vt-tree-section-body::before {
    content: "BUILDS";
    position: absolute;
    top: 0;
    left: 0.85rem;
    transform: translateY(-50%);
    padding: 0 0.4rem;
    background: var(--kb-bg-body);
    color: var(--vt-tree-faction);
    font-size: 0.62rem;
    font-weight: 700;
    letter-spacing: 0.16em;
    line-height: 1;
}

.vt-tree-section-body .vt-tree-section-body::before {
    background: color-mix(in oklab, var(--vt-tree-faction) 7%, var(--kb-bg-body));
}

.vt-tree-section-body .vt-tree-section-body .vt-tree-section-body::before {
    background: color-mix(in oklab, var(--vt-tree-faction) 13%, var(--kb-bg-body));
}

.vt-tree-section-body > .vt-tree-section {
    margin-top: 0.75rem;
}

.vt-tree-tile {
    --vt-tree-cat: var(--kb-text-secondary);
    display: flex;
    flex-direction: column;
    align-items: stretch;
    width: 100%;
    padding: 0.3rem 0.3rem 0.35rem;
    border: 1px solid color-mix(in oklab, var(--vt-tree-cat) 45%, var(--kb-border-subtle));
    border-radius: 0.4rem;
    background: color-mix(in oklab, var(--vt-tree-cat) 10%, var(--kb-bg-card));
    color: var(--kb-text-primary);
    text-align: center;
    cursor: pointer;
}

.vt-tree-tile:hover,
.vt-tree-tile:focus-visible {
    border-color: var(--vt-tree-cat);
    outline: none;
}

.vt-tree-tile[data-category="Vehicle"]  { --vt-tree-cat: var(--kb-primary); }
.vt-tree-tile[data-category="Building"] { --vt-tree-cat: var(--kb-warning); }
.vt-tree-tile[data-category="Weapon"]   { --vt-tree-cat: var(--kb-success); }
.vt-tree-tile[data-category="Ordnance"] { --vt-tree-cat: var(--kb-success); }
.vt-tree-tile[data-category="Pilot"]    { --vt-tree-cat: var(--kb-info); }
.vt-tree-tile[data-category="Powerup"]  { --vt-tree-cat: var(--kb-info); }
.vt-tree-tile[data-category="Effect"]   { --vt-tree-cat: var(--kb-accent); }

.vt-tree-shot-frame {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    aspect-ratio: 1;
    border-radius: 0.25rem;
    background: color-mix(in oklab, var(--kb-bg-body) 65%, transparent);
    overflow: hidden;
}

.vt-tree-shot {
    width: 100%;
    height: 100%;
    object-fit: contain;
}

.vt-tree-tile-name {
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
    margin-top: 0.25rem;
    min-height: 2.3em;
    font-size: 0.72rem;
    font-weight: 650;
    line-height: 1.15;
}

.vt-tree-tile-cost {
    font-size: 0.68rem;
    color: var(--kb-text-muted);
}

.vt-tree-missing {
    margin: 0.15rem 0 0;
    font-size: 0.75rem;
    color: var(--kb-text-muted);
}

.vt-tree-caret {
    flex: 0 0 auto;
    margin-top: 0.15rem;
    padding: 0.1rem 0.15rem;
    border: 0;
    background: transparent;
    color: var(--kb-text-secondary);
    line-height: 1;
}

.vt-tree-caret:hover,
.vt-tree-caret:focus-visible {
    color: var(--kb-text-primary);
    outline: none;
}

.vt-tree-caret .bi {
    display: block;
    transition: transform 0.15s ease;
}

.vt-tree-caret[aria-expanded="false"] .bi {
    transform: rotate(-90deg);
}

.vt-tree-odf-dialog {
    width: calc(100vw - 2rem);
    max-width: none;
    height: calc(100vh - 2rem);
    margin: 1rem auto;
}

.vt-tree-odf-dialog .modal-content {
    height: 100%;
    background: var(--kb-bg-card);
    color: var(--kb-text-primary);
    border-color: var(--kb-border-subtle);
}

.vt-tree-odf-dialog .modal-header,
.vt-tree-odf-dialog .modal-footer {
    border-color: var(--kb-border-subtle);
}

.vt-tree-odf-dialog .modal-title {
    margin-right: auto;
}

.vt-tree-odf-dialog .modal-body {
    flex: 1 1 auto;
    min-height: 0;
    overflow: hidden;
}

.vt-tree-odf-dialog .modal-body > .row {
    height: 100%;
}

#vt-tree-detail {
    height: 100%;
    overflow: auto;
}

.vt-tree-odf-frame-col {
    height: 100%;
    min-height: 0;
}

.vt-tree-odf-frame {
    display: block;
    width: 100%;
    height: 100%;
    border: 0;
    background: var(--kb-bg-body);
}

@media (min-width: 992px) {
    #vt-tree-detail {
        border-right: 1px solid var(--kb-border-subtle);
    }
}

@media (max-width: 991.98px) {
    #vt-tree-detail {
        height: auto;
        max-height: 38vh;
        border-bottom: 1px solid var(--kb-border-subtle);
    }

    .vt-tree-odf-frame-col {
        height: 52vh;
    }
}

@media (prefers-reduced-motion: reduce) {
    .vt-tree-caret .bi {
        transition: none;
    }
}