/* admin-routing-chain.css — four seats, stem is the gutter track. */

.admin-routing-board,
.admin-routing-face {
    display: flex;
    flex-direction: row;
    align-items: flex-start;
    gap: 1.25rem;
    width: 100%;
}

.admin-routing-pack { flex: 0 1 auto; min-width: 0; }

.admin-routing-shots {
    list-style: none;
    margin: 0;
    padding: 0;
    display: flex;
    flex-direction: column;
    gap: 0.45rem;
    width: max-content;
    max-width: 100%;
}

.admin-routing-shot {
    display: block;
    width: max-content;
    max-width: 100%;
    box-sizing: border-box;
    padding: 0.45rem 0.65rem;
    border: 1px solid var(--border, #1e293b);
    border-radius: 0.4rem;
    overflow: visible;
}

.admin-routing-tree {
    display: flex;
    flex-direction: column;
    gap: 0.35rem;
}

.admin-routing-branch {
    display: grid;
    grid-template-columns: 4.6rem 4rem 9rem 4rem 11rem 4rem 10rem 1.6rem;
    column-gap: 0;
    align-items: center;
    width: max-content;
    overflow: visible;
}

.admin-routing-src,
.admin-routing-in,
.admin-routing-chip,
.admin-routing-return {
    box-sizing: border-box;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    min-width: 0;
    font-size: 0.78rem;
    font-weight: 650;
    border: 1px solid var(--border, #1e293b);
    background: var(--surface-2, #0f172a);
    color: var(--text, #f1f5f9);
    border-radius: 999px;
    padding: 0.2rem 0.5rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    position: relative;
    z-index: 2;
}

.admin-routing-src { font-weight: 600; color: #94a3b8; }
.admin-routing-chip { cursor: pointer; }
.admin-routing-chip:hover {
    border-color: transparent;
    background: var(--ubn-grad);
    color: #f8fafc;
}
.admin-routing-chip.is-armed { border-color: #fbbf24; color: #fde68a; }
.admin-routing-in.is-live { border-color: #ef4444; }
.admin-routing-in.is-recon { border-color: #fbbf24; }

.admin-routing-return { color: #cbd5e1; }
.admin-routing-return.is-empty {
    color: #94a3b8;
    border-style: dashed;
    opacity: 0.7;
}

.admin-routing-drop {
    grid-column: 8;
    justify-self: end;
    width: 1.5rem;
    height: 1.5rem;
    border: 0;
    background: transparent;
    color: #94a3b8;
    font-size: 1.05rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}

.admin-routing-drop:hover { color: #f87171; }

.admin-routing-stem {
    position: relative;
    z-index: 1;
    width: calc(100% + 8px);
    min-width: 4rem;
    height: 6px;
    margin: 0 -4px;
    align-self: center;
    background: #64748b;
    border-radius: 99px;
    overflow: hidden;
}

.admin-routing-run {
    position: absolute;
    top: 0; bottom: 0; left: 0;
    width: 100%;
    background-repeat: no-repeat;
}

.admin-routing-stem.is-live .admin-routing-run {
    background-image: linear-gradient(90deg, transparent 0%, #ef4444 50%, transparent 100%);
    animation: ubn-route-pipe 1.87s linear infinite;
}

.admin-routing-stem.is-recon .admin-routing-run {
    background-image: linear-gradient(90deg, transparent 0%, #fbbf24 50%, transparent 100%);
    animation: ubn-route-pipe 2.67s linear infinite;
}

.admin-routing-stem.is-dead,
.admin-routing-stem.is-idle,
.admin-routing-stem.is-armed,
.admin-routing-stem.is-ready {
    background: #64748b;
}

.admin-routing-stem.is-dead .admin-routing-run,
.admin-routing-stem.is-idle .admin-routing-run,
.admin-routing-stem.is-armed .admin-routing-run,
.admin-routing-stem.is-ready .admin-routing-run {
    display: none;
}

.admin-routing-stem.is-gap,
.admin-routing-stem.is-skip,
.admin-routing-return.is-gap {
    visibility: hidden;
    pointer-events: none;
    background: transparent;
    border: 0;
}

@keyframes ubn-route-pipe {
    from { transform: translateX(-120%); }
    to   { transform: translateX(120%); }
}

@media (prefers-reduced-motion: reduce) {
    .admin-routing-run { animation: none !important; }
}

.admin-routing-key {
    flex: 0 0 10.5rem;
    margin-left: auto;
    padding: 0.55rem 0.7rem;
    border: 1px solid var(--border, #1e293b);
    border-radius: 0.4rem;
    color: #94a3b8;
    font-size: 0.75rem;
    line-height: 1.45;
}

.admin-routing-key-title,
.admin-routing-key strong {
    display: block;
    color: #cbd5e1;
    font-size: 0.68rem;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    margin: 0 0 0.35rem;
}

.admin-routing-key p {
    display: flex;
    align-items: center;
    gap: 0.45rem;
    margin: 0.28rem 0 0;
}

.admin-routing-key .admin-routing-stem {
    flex: 0 0 2.4rem;
    width: 2.4rem;
    min-width: 2.4rem;
    margin: 0;
}

/* Last stem stops at the Return chip. No underlap. */
.admin-routing-branch > .admin-routing-stem:nth-child(6) {
    margin-right: 0;
    width: calc(100% + 4px);
}

.admin-routing-stem {
    width: 100% !important;
    margin: 0 0 0 -2px !important;
}
.admin-routing-stem.is-n3,
.admin-routing-branch > .admin-routing-stem:nth-child(6) {
    margin: 0 !important;
    width: 100% !important;
}
.admin-routing-stem.is-skip,
.admin-routing-return.is-skip {
    display: none !important;
}

.admin-routing-drop {
    width: 1.6rem;
    height: 1.6rem;
    border: 0;
    background: transparent;
    color: #94a3b8;
    font-size: 1rem;
    line-height: 1;
    cursor: pointer;
    justify-self: end;
    padding: 0;
}
.admin-routing-drop:hover { color: #f1f5f9; }

.admin-routing-src {
    width: 4.6rem !important;
}
.admin-routing-branch {
    grid-template-columns: 4.6rem 4rem 9rem 4rem 11rem 4rem 10rem 1.6rem !important;
}
.admin-routing-drop {
    grid-column: 8;
    width: 1.6rem;
    height: 1.6rem;
    border: 0;
    background: transparent;
    color: #94a3b8;
    font-size: 1.05rem;
    line-height: 1;
    cursor: pointer;
    z-index: 2;
}
.admin-routing-drop:hover { color: #f1f5f9; }
.admin-routing-shot {
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
}