/* ===== Tag AutoComplete Popup ===== */
.tac-popup {
    display: none;
    position: fixed;
    z-index: 10000;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    box-shadow: 0 8px 32px var(--shadow), 0 0 0 1px var(--border);
    max-height: 300px;
    min-width: 280px;
    max-width: 480px;
    overflow-y: auto;
    overflow-x: hidden;
    padding: 4px 0;
}

.tac-item {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 5px 10px;
    cursor: pointer;
    transition: background var(--transition);
    font-size: 0.82rem;
    line-height: 1.4;
}

.tac-item:hover,
.tac-item.selected {
    background: var(--bg-hover);
}

.tac-item.selected {
    background: var(--accent);
    color: #fff;
}

.tac-item.selected .tac-item-count,
.tac-item.selected .tac-item-zh {
    color: rgba(255,255,255,0.6);
}

.tac-item.selected .tac-item-cat {
    border-color: rgba(255,255,255,0.5);
}

.tac-item.selected .tac-alias {
    color: rgba(255,255,255,0.7);
}

.tac-item.selected .tac-alias-arrow {
    color: rgba(255,255,255,0.5);
}

/* Category dot */
.tac-item-cat {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    flex-shrink: 0;
    border: 1px solid var(--border);
}

.tac-cat-0 { background: #4a9eff; }
.tac-cat-1 { background: #ff4a6a; }
.tac-cat-3 { background: #a64aff; }
.tac-cat-4 { background: #4aff7a; }
.tac-cat-5 { background: #ffaa4a; }
.tac-cat-9 { background: #ff6b6b; }

/* Name area: uses flex-shrink:0 so it keeps its width */
.tac-item-name {
    flex-shrink: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--text-primary);
    font-weight: 500;
}

.tac-item.selected .tac-item-name {
    color: #fff;
}

/* Alias display */
.tac-alias {
    color: var(--text-muted);
    font-weight: 400;
}

.tac-alias-arrow {
    color: var(--text-muted);
    margin: 0 3px;
    font-size: 0.75rem;
}

/* Chinese translation: takes remaining space */
.tac-item-zh {
    flex: 1;
    min-width: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 0.72rem;
    color: var(--text-muted);
    font-weight: 400;
}

/* ── Prompt Chunk Manager ── */
.tac-chunk-hint {
    font-size: 0.78rem;
    color: var(--text-muted);
    margin-bottom: 10px;
    line-height: 1.5;
}

.tac-chunk-add-form {
    display: flex;
    flex-direction: column;
    gap: 8px;
    margin-bottom: 12px;
}

.tac-chunk-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.tac-chunk-item {
    background: var(--bg-hover);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 8px 10px;
    display: flex;
    gap: 8px;
    align-items: flex-start;
}

.tac-chunk-item-info {
    flex: 1;
    min-width: 0;
}

.tac-chunk-item-name {
    font-size: 0.83rem;
    font-weight: 600;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tac-chunk-item-alias {
    font-size: 0.75rem;
    color: var(--text-muted);
    margin-top: 1px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.tac-chunk-item-content {
    font-size: 0.75rem;
    color: var(--text-secondary);
    margin-top: 3px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-all;
}

.tac-chunk-delete {
    background: none;
    border: none;
    color: var(--text-muted);
    cursor: pointer;
    font-size: 1rem;
    padding: 0 2px;
    flex-shrink: 0;
    line-height: 1;
}

.tac-chunk-delete:hover {
    color: var(--danger, #e05);
}

/* Chunk popup item gets a special dot color */
.tac-cat-chunk { background: #f5a623; }

/* Count: always at the right edge.
   When there is no zh element, flex:1 on name would push count right,
   but we want name to shrink. Solution: use a spacer or margin-left:auto. */
.tac-item-count {
    font-size: 0.7rem;
    color: var(--text-muted);
    flex-shrink: 0;
    min-width: 32px;
    text-align: right;
    font-variant-numeric: tabular-nums;
    margin-left: auto;
}