/* TreeSelect modal — 3-column RTL category tree */

.fi-ts-modal {
    direction: rtl;
    --fi-ts-line: #d4d4d8;
    --fi-ts-blue: #2563eb;
    --fi-ts-control: 1.1rem;
}

.dark .fi-ts-modal {
    --fi-ts-line: rgba(255, 255, 255, 0.2);
}

.fi-ts-panel {
    border: 1px solid #e4e4e7;
    border-radius: 0.75rem;
    background: #fff;
    padding: 1.1rem 0.5rem;
}

.dark .fi-ts-panel {
    border-color: rgba(255, 255, 255, 0.1);
    background: rgba(255, 255, 255, 0.03);
}

.fi-ts-columns {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
}

.fi-ts-column {
    min-width: 0;
    padding: 0 1.1rem;
}

.fi-ts-column + .fi-ts-column {
    border-inline-start: 1px solid #eef2f7;
}

.dark .fi-ts-column + .fi-ts-column {
    border-inline-start-color: rgba(255, 255, 255, 0.08);
}

.fi-ts-root + .fi-ts-root {
    margin-top: 1.35rem;
}

.fi-ts-root > .fi-ts-row {
    margin-bottom: 0.25rem;
    padding-bottom: 0.55rem;
    border-bottom: 1px solid #eef2f7;
}

.dark .fi-ts-root > .fi-ts-row {
    border-bottom-color: rgba(255, 255, 255, 0.08);
}

.fi-ts-root > .fi-ts-row .fi-ts-label {
    color: #6b7280;
    font-size: 0.95rem;
    font-weight: 600;
}

.dark .fi-ts-root > .fi-ts-row .fi-ts-label {
    color: #9ca3af;
}

.fi-ts-row {
    display: flex;
    flex-direction: row;
    align-items: center;
    gap: 0.55rem;
    width: 100%;
    margin: 0;
    padding: 0.4rem 0.45rem;
    border: 1.5px solid transparent;
    border-radius: 0.55rem;
    background: transparent;
    cursor: pointer;
    text-align: start;
    transition:
        background-color 0.12s ease,
        border-color 0.12s ease,
        box-shadow 0.12s ease;
}

.fi-ts-row:hover {
    background: #f8fafc;
}

.dark .fi-ts-row:hover {
    background: rgba(255, 255, 255, 0.04);
}

.fi-ts-row.is-selected {
    border-color: var(--fi-ts-blue);
    background: #eff6ff;
    box-shadow: 0 0 0 1px rgba(37, 99, 235, 0.12);
}

.dark .fi-ts-row.is-selected {
    background: rgba(37, 99, 235, 0.16);
}

.fi-ts-row.is-disabled {
    opacity: 0.42;
    cursor: not-allowed;
}

.fi-ts-row.is-locked {
    cursor: default;
}

/* control first in DOM → right side in RTL */
.fi-ts-control {
    display: inline-flex;
    width: var(--fi-ts-control);
    height: var(--fi-ts-control);
    flex: 0 0 var(--fi-ts-control);
    align-items: center;
    justify-content: center;
}

.fi-ts-radio,
.fi-ts-checkbox {
    box-sizing: border-box;
    display: flex;
    width: 100%;
    height: 100%;
    align-items: center;
    justify-content: center;
    border: 1.5px solid #c4c4c8;
    background: #fff;
}

.dark .fi-ts-radio,
.dark .fi-ts-checkbox {
    border-color: rgba(255, 255, 255, 0.28);
    background: rgba(15, 23, 42, 0.45);
}

.fi-ts-radio {
    border-radius: 9999px;
}

.fi-ts-checkbox {
    border-radius: 0.22rem;
}

.fi-ts-radio.is-on {
    border-color: var(--fi-ts-blue);
}

.fi-ts-radio.is-on::after {
    content: '';
    width: 0.48rem;
    height: 0.48rem;
    border-radius: 9999px;
    background: var(--fi-ts-blue);
}

.fi-ts-checkbox.is-on {
    border-color: var(--fi-ts-blue);
    background: var(--fi-ts-blue);
    color: #fff;
}

.fi-ts-checkbox.is-partial {
    border-color: #a1a1aa;
    background: #e4e4e7;
    color: #71717a;
}

.dark .fi-ts-checkbox.is-partial {
    border-color: rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.14);
    color: #d4d4d8;
}

.fi-ts-checkbox svg {
    width: 0.72rem;
    height: 0.72rem;
    display: block;
}

.fi-ts-label {
    flex: 1 1 auto;
    min-width: 0;
    color: #18181b;
    font-size: 0.875rem;
    font-weight: 500;
    line-height: 1.5;
    text-align: start;
}

.dark .fi-ts-label {
    color: #f4f4f5;
}

/* markedOptionIds(): "this node is worth choosing" — never a selection or a disabled state. */
.fi-ts-mark {
    flex: 0 0 auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #16a34a;
}

.fi-ts-mark svg {
    width: 0.85rem;
    height: 0.85rem;
    display: block;
}

.dark .fi-ts-mark {
    color: #4ade80;
}

/* Nested tree: spine + elbows */
.fi-ts-children {
    position: relative;
    margin: 0;
    margin-inline-start: calc(var(--fi-ts-control) / 2);
    padding: 0.1rem 0 0.15rem;
    padding-inline-start: 1.05rem;
    list-style: none;
    border-inline-start: 1px solid var(--fi-ts-line);
}

.fi-ts-item {
    position: relative;
    list-style: none;
    padding: 0.05rem 0;
}

.fi-ts-item::before {
    content: '';
    position: absolute;
    top: 1.05rem;
    inset-inline-start: -1.05rem;
    width: 1.05rem;
    border-top: 1px solid var(--fi-ts-line);
}

.fi-ts-item.is-last {
    border-inline-start: 1px solid transparent;
    margin-inline-start: -1px;
}

.fi-ts-item.is-last::after {
    content: '';
    position: absolute;
    top: 1.05rem;
    bottom: 0;
    inset-inline-start: -1.05rem;
    width: 1px;
    background: #fff;
}

.dark .fi-ts-item.is-last::after {
    background: rgb(24 24 27);
}

@media (max-width: 1023px) {
    .fi-ts-columns {
        grid-template-columns: 1fr;
        gap: 1.25rem;
    }

    .fi-ts-column {
        padding: 0 0.35rem;
    }

    .fi-ts-column + .fi-ts-column {
        border-inline-start: 0;
        border-top: 1px solid #eef2f7;
        padding-top: 1.25rem;
    }
}