/* ==========================================================================
   링크 카테고리 브라우저
   ========================================================================== */
.link-category-index-page {
    background: #f5f6f8;
}
.category-browser-toolbar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 14px;
    margin-bottom: 16px;
    padding: 14px;
    border: 1px solid #e5e7eb;
    border-radius: 12px;
    background: #fff;
}
.category-browser-search {
    position: relative;
    display: flex;
    flex: 1 1 auto;
    max-width: 520px;
    align-items: center;
}
.category-browser-search__icon {
    position: absolute;
    left: 12px;
    width: 17px;
    height: 17px;
    color: #94a3b8;
    pointer-events: none;
}
.category-browser-search__input {
    width: 100%;
    height: 40px;
    padding: 0 70px 0 38px;
    border: 1px solid #d1d5db;
    border-radius: 9px;
    outline: none;
    background: #fff;
    color: #111827;
    font-size: 13px;
}
.category-browser-search__input:focus {
    border-color: #60a5fa;
    box-shadow: 0 0 0 3px rgb(59 130 246 / 10%);
}
.category-browser-search__clear {
    position: absolute;
    right: 9px;
    height: 26px;
    padding: 0 8px;
    border: 0;
    border-radius: 6px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 11px;
    cursor: pointer;
}
.category-browser-toolbar__actions {
    display: flex;
    flex: 0 0 auto;
    gap: 6px;
}
.category-browser-action {
    height: 36px;
    padding: 0 12px;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    background: #fff;
    color: #475569;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
}
.category-browser-action:hover {
    background: #f8fafc;
}
/* ==========================================================================
   검색 상태
   ========================================================================== */
.category-browser-search-summary {
    margin: -4px 0 12px;
    padding: 0 3px;
    color: #64748b;
    font-size: 12px;
}
.category-browser-empty {
    padding: 40px 20px;
    text-align: center;
    color: #94a3b8;
    font-size: 13px;
}
/* ==========================================================================
   대카테고리
   ========================================================================== */
.category-browser-list {
    display: grid;
    gap: 10px;
}
.category-browser-card {
    overflow: hidden;
    border: 1px solid #e4e7ec;
    border-radius: 12px;
    background: #fff;
    box-shadow: 0 1px 2px rgb(15 23 42 / 3%);
}
.category-browser-card__header {
    display: flex;
    min-height: 54px;
    align-items: center;
    gap: 8px;
    padding: 0 12px 0 8px;
}
.category-browser-toggle {
    display: flex;
    min-width: 0;
    flex: 1 1 auto;
    align-items: center;
    gap: 8px;
    padding: 10px 4px;
    border: 0;
    background: transparent;
    text-align: left;
    cursor: pointer;
}
.category-browser-toggle__chevron {
    display: flex;
    flex: 0 0 24px;
    width: 24px;
    height: 24px;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    color: #64748b;
    transition: transform .15s ease;
}
.category-browser-toggle__chevron svg {
    width: 15px;
    height: 15px;
}
.category-browser-card.is-open
.category-browser-toggle__chevron {
    transform: rotate(90deg);
}
.category-browser-card__title {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    color: #111827;
    font-size: 15px;
    font-weight: 700;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.category-browser-card__count {
    display: inline-flex;
    min-width: 40px;
    height: 24px;
    align-items: center;
    justify-content: center;
    padding: 0 8px;
    border-radius: 9999px;
    background: #eff6ff;
    color: #2563eb;
    font-size: 11px;
    font-weight: 700;
}
.category-browser-card__direct {
    flex: 0 0 auto;
    padding: 5px 8px;
    border-radius: 6px;
    color: #64748b;
    font-size: 11px;
    text-decoration: none;
}
.category-browser-card__direct:hover {
    background: #f1f5f9;
    color: #0f172a;
}
.category-browser-card__body {
    padding: 5px 14px 14px 20px;
    border-top: 1px solid #f1f5f9;
    background: #fcfdff;
}
/* ==========================================================================
   하위 트리
   ========================================================================== */
.category-tree-node {
    position: relative;
}
.category-tree-node + .category-tree-node {
    margin-top: 1px;
}
.category-tree-row {
    position: relative;
    display: flex;
    min-height: 38px;
    align-items: center;
    gap: 5px;
    padding:
        2px 4px
        2px
        calc(var(--category-depth, 0) * 20px);
}
.category-tree-row::before {
    content: '';
    position: absolute;
    left: calc(var(--category-depth, 0) * 20px + 9px);
    top: 0;
    bottom: 0;
    border-left: 1px solid #e2e8f0;
}
.category-tree-toggle,
.category-tree-toggle-spacer {
    position: relative;
    z-index: 1;
    display: flex;
    flex: 0 0 22px;
    width: 22px;
    height: 22px;
    align-items: center;
    justify-content: center;
}
.category-tree-toggle {
    border: 1px solid #e2e8f0;
    border-radius: 5px;
    background: #fff;
    color: #64748b;
    cursor: pointer;
    transition:
        transform .15s ease,
        background-color .15s ease;
}
.category-tree-toggle:hover {
    background: #f1f5f9;
}
.category-tree-toggle svg {
    width: 12px;
    height: 12px;
}
.category-tree-node.is-open
> .category-tree-row
.category-tree-toggle {
    transform: rotate(90deg);
}
.category-tree-name {
    min-width: 0;
    flex: 1 1 auto;
    overflow: hidden;
    padding: 5px 7px;
    border-radius: 6px;
    color: #1f2937;
    font-size: 13px;
    font-weight: 500;
    text-decoration: none;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.category-tree-name:hover {
    background: #eef4ff;
    color: #1d4ed8;
}
.category-tree-count {
    flex: 0 0 auto;
    min-width: 34px;
    padding: 2px 7px;
    border-radius: 9999px;
    background: #f1f5f9;
    color: #64748b;
    font-size: 10px;
    font-weight: 600;
    text-align: center;
}
.category-tree-children {
    position: relative;
}
/* 검색 결과 강조 */
.category-tree-node.is-search-match
> .category-tree-row
> .category-tree-name {
    background: #fff7d6;
    color: #92400e;
    font-weight: 700;
}
.category-browser-card.is-search-match
> .category-browser-card__header {
    background: #fffdf2;
}
/* ==========================================================================
   Mobile
   ========================================================================== */
@media (max-width: 640px) {
    .category-browser-toolbar {
        flex-direction: column;
        align-items: stretch;
        gap: 9px;
        padding: 10px;
    }
    .category-browser-search {
        max-width: none;
    }
    .category-browser-toolbar__actions {
        display: grid;
        grid-template-columns: 1fr 1fr;
    }
    .category-browser-action {
        width: 100%;
    }
    .category-browser-card__header {
        min-height: 50px;
        padding-right: 8px;
    }
    .category-browser-card__title {
        font-size: 14px;
    }
    .category-browser-card__body {
        padding:
            4px 8px
            10px 10px;
    }
    .category-tree-row {
        min-height: 36px;
        padding-left:
            calc(
                var(--category-depth, 0)
                * 14px
            );
    }
    .category-tree-row::before {
        left:
            calc(
                var(--category-depth, 0)
                * 14px
                + 8px
            );
    }
    .category-tree-name {
        font-size: 12px;
    }
    .category-tree-count {
        min-width: 30px;
        padding: 2px 5px;
        font-size: 9px;
    }
}