/* ═══════════════════════════════════════════
   PROMPT KNOWLEDGE — Documentos por prompt
   ═══════════════════════════════════════════ */

.pk-list {
    display: flex;
    flex-direction: column;
    gap: 6px;
    margin-bottom: 8px;
}

.pk-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 10px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    transition: border-color 0.15s;
}
.pk-item:hover {
    border-color: var(--accent);
}

.pk-item-icon {
    flex-shrink: 0;
    font-size: 18px;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
}

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

.pk-item-name {
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pk-item-meta {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 2px;
}

.pk-item-del {
    flex-shrink: 0;
    width: 28px;
    height: 28px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    color: var(--text-muted);
    cursor: pointer;
    border-radius: 6px;
    transition: all 0.15s;
}
.pk-item-del:hover {
    background: rgba(239, 68, 68, 0.1);
    color: #ef4444;
}

.pk-empty,
.pk-loading {
    padding: 14px;
    text-align: center;
    color: var(--text-muted);
    font-size: 12px;
    background: var(--bg-secondary);
    border: 1px dashed var(--border);
    border-radius: 8px;
    line-height: 1.5;
}

.pk-stats {
    font-size: 11px;
    color: var(--text-muted);
    margin-top: 6px;
    margin-bottom: 8px;
}

.pk-progress {
    font-size: 12px;
    color: var(--accent);
    padding: 8px 10px;
    background: rgba(79, 172, 254, 0.08);
    border-radius: 6px;
    margin-bottom: 8px;
}
.pk-progress.hidden {
    display: none;
}

.pk-upload-row {
    display: flex;
    gap: 8px;
    margin-top: 4px;
}

.pk-upload-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 14px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 8px;
    font-size: 13px;
    font-weight: 500;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.15s;
}
.pk-upload-btn:hover {
    background: var(--bg-hover);
    border-color: var(--accent);
    color: var(--accent);
}