/* ── Manuales: estilos base ── */

/* ── Cadena de alturas: min-height: 0 obliga a los flex children a respetar
 *  el espacio asignado en vez de crecer sin límite                          */
.manuales-page-wrap,
.manuales-wrap,
.manuales-contenido {
    min-height: 0;
}

.manuales-wrap {
    display: flex;
    gap: 0;
    flex: 1;
    overflow: hidden;
}

/* ── Árbol de carpetas (sidebar izquierdo) ── */
.manuales-tree {
    width: 260px;
    min-width: 200px;
    max-width: 320px;
    background: var(--bg-card, #fff);
    border-right: 1px solid var(--border, #e2e8f0);
    display: flex;
    flex-direction: column;
    overflow: hidden;
    flex-shrink: 0;
}

.manuales-tree-header {
    padding: 16px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 8px;
}

.manuales-tree-header h3 {
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--text-muted, #64748b);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin: 0;
}

.manuales-tree-scroll {
    flex: 1;
    overflow-y: auto;
    padding: 8px 0;
}

.manuales-tree-empty {
    padding: 24px 16px;
    text-align: center;
    color: var(--text-muted, #94a3b8);
    font-size: 0.85rem;
}

/* ── Nodos del árbol ── */
.tree-node {
    user-select: none;
}

.tree-node-row {
    display: flex;
    align-items: center;
    gap: 4px;
    padding: 6px 8px;
    cursor: pointer;
    border-radius: 6px;
    margin: 1px 6px;
    transition: background 0.15s;
    position: relative;
}

.tree-node-row:hover {
    background: var(--bg-hover, #f1f5f9);
}

.tree-node-row.activo {
    background: var(--primary-soft, var(--info-bg));
    color: var(--primary, var(--primary-hover));
}

.tree-node-row.activo .tree-nombre {
    font-weight: 600;
    color: var(--primary, var(--primary-hover));
}

.tree-toggle {
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.6rem;
    color: var(--text-muted, #94a3b8);
    flex-shrink: 0;
    transition: transform 0.2s;
}

.tree-toggle.abierto {
    transform: rotate(90deg);
}

.tree-icono {
    font-size: 1rem;
    flex-shrink: 0;
}

.tree-nombre {
    font-size: 0.875rem;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
    flex: 1;
}

.tree-node-hijos {
    padding-left: 20px;
}

.tree-node-hijos.oculto {
    display: none;
}

/* ── Área de contenido principal ── */
.manuales-contenido {
    flex: 1;
    display: flex;
    flex-direction: column;
    overflow: hidden;
}

/* ── Barra de herramientas ── */
.manuales-toolbar {
    padding: 12px 16px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
    background: var(--bg-card, #fff);
}

.manuales-breadcrumb {
    display: flex;
    align-items: center;
    gap: 4px;
    flex: 1;
    font-size: 0.85rem;
    color: var(--text-muted, #64748b);
    flex-wrap: wrap;
    min-width: 0;
}

.manuales-breadcrumb .crumb {
    cursor: pointer;
    color: var(--primary, var(--primary-hover));
    white-space: nowrap;
}

.manuales-breadcrumb .crumb:hover {
    text-decoration: underline;
}

.manuales-breadcrumb .sep {
    color: var(--text-muted, #cbd5e1);
    font-size: 0.75rem;
}

.manuales-breadcrumb .crumb.actual {
    color: var(--text, #1e293b);
    cursor: default;
    font-weight: 500;
}

.manuales-breadcrumb .crumb.actual:hover {
    text-decoration: none;
}

.toolbar-actions {
    display: flex;
    align-items: center;
    gap: 6px;
    flex-shrink: 0;
}

.btn-vista {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    border: 1px solid var(--border, #e2e8f0);
    background: transparent;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-muted, #64748b);
    transition: all 0.15s;
}

.btn-vista:hover,
.btn-vista.activo {
    background: var(--primary-soft, var(--info-bg));
    border-color: var(--primary, var(--primary-hover));
    color: var(--primary, var(--primary-hover));
}

/* ── Buscador ── */
.manuales-search-wrap {
    padding: 10px 16px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    background: var(--bg, #f8fafc);
}

.manuales-search-box {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 8px;
    padding: 8px 12px;
    transition: border-color 0.15s;
}

.manuales-search-box:focus-within {
    border-color: var(--primary, var(--primary-hover));
    box-shadow: 0 0 0 3px rgba(72, 147, 198, 0.15);
}

.manuales-search-box svg,
.manuales-search-box .search-icon {
    color: var(--text-muted, #94a3b8);
    font-size: 0.9rem;
    flex-shrink: 0;
}

.manuales-search-input {
    border: none;
    outline: none;
    flex: 1;
    font-size: 0.875rem;
    background: transparent;
    color: var(--text, #1e293b);
    font-family: inherit;
}

.manuales-search-input::placeholder {
    color: var(--text-muted, #94a3b8);
}

.search-loading {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    flex-shrink: 0;
}

/* ── Área de archivos ── */
.manuales-files-area {
    flex: 1;
    overflow-y: auto;
    padding: 16px;
}

/* ── Estado vacío ── */
.manuales-empty {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 200px;
    gap: 12px;
    color: var(--text-muted, #94a3b8);
    text-align: center;
}

.manuales-empty-icon {
    font-size: 3rem;
    opacity: 0.4;
}

.manuales-empty p {
    font-size: 0.9rem;
    margin: 0;
}

/* ── Vista en cards ── */
.manuales-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 12px;
}

.item-card {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 10px;
    padding: 14px;
    cursor: pointer;
    transition: all 0.15s;
    display: flex;
    flex-direction: column;
    gap: 8px;
    position: relative;
}

.item-card:hover {
    border-color: var(--primary, var(--primary-hover));
    box-shadow: 0 4px 12px rgba(72, 147, 198, 0.15);
    transform: translateY(-1px);
}

.item-card.carpeta-card .item-icon {
    font-size: 2.5rem;
}

.item-card.archivo-card .item-icon {
    font-size: 2.2rem;
}

.item-icon {
    text-align: center;
}

.item-nombre {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--text, #1e293b);
    line-height: 1.3;
    text-align: center;
    /* Truncar a 2 líneas en cards */
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    word-break: break-word;
}

.item-meta {
    font-size: 0.72rem;
    color: var(--text-muted, #94a3b8);
    text-align: center;
}

.item-badge {
    position: absolute;
    top: 8px;
    right: 8px;
    font-size: 0.65rem;
    text-transform: uppercase;
    font-weight: 600;
    padding: 2px 6px;
    border-radius: 4px;
    background: var(--badge-bg, #e2e8f0);
    color: var(--text-muted, #64748b);
}

.item-badge.pdf  { background: var(--danger-bg); color: var(--danger); }
.item-badge.docx { background: var(--info-bg); color: var(--info-text); }
.item-badge.pptx { background: var(--warning-bg); color: var(--warning); }
.item-badge.xlsx { background: var(--success-bg); color: var(--success-text); }

.item-card-menu {
    display: flex;
    gap: 4px;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    transition: opacity 0.15s;
}

.item-card:hover .item-card-menu {
    opacity: 1;
}

.item-card-menu button {
    padding: 4px 8px;
    font-size: 0.7rem;
    border-radius: 4px;
    border: 1px solid var(--border, #e2e8f0);
    background: var(--bg, #f8fafc);
    cursor: pointer;
    color: var(--text-muted, #64748b);
    transition: all 0.15s;
    font-family: inherit;
}

.item-card-menu button:hover {
    background: var(--primary, var(--primary-hover));
    border-color: var(--primary, var(--primary-hover));
    color: #fff;
}

.item-card-menu button.btn-eliminar:hover {
    background: var(--danger);
    border-color: var(--danger);
}

/* ── Vista en lista ── */
.manuales-list {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.item-row {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    border-radius: 8px;
    cursor: pointer;
    transition: background 0.12s;
    border: 1px solid transparent;
}

.item-row:hover {
    background: var(--bg-hover, #f1f5f9);
    border-color: var(--border, #e2e8f0);
}

.item-row .item-icon {
    font-size: 1.4rem;
    flex-shrink: 0;
    width: 28px;
    text-align: center;
}

.item-row .item-nombre {
    flex: 1;
    font-size: 0.875rem;
    color: var(--text, #1e293b);
    text-align: left;
    /* En lista: 1 sola línea con ellipsis, sin clamp */
    display: block;
    -webkit-line-clamp: unset;
    -webkit-box-orient: unset;
    overflow: hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    min-width: 0;
}

.item-row .item-meta {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    white-space: nowrap;
    text-align: right;
}

.item-row .item-badge {
    position: static;
}

.item-row .item-card-menu {
    opacity: 0;
}

.item-row:hover .item-card-menu {
    opacity: 1;
}

/* ── Resultados de búsqueda ── */
.busqueda-resultado {
    background: var(--bg-card, #fff);
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 8px;
    padding: 12px 16px;
    cursor: pointer;
    transition: all 0.15s;
    margin-bottom: 8px;
}

.busqueda-resultado:hover {
    border-color: var(--primary, var(--primary-hover));
    box-shadow: 0 2px 8px rgba(72, 147, 198, 0.15);
}

.busqueda-ruta {
    font-size: 0.72rem;
    color: var(--text-muted, #94a3b8);
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: wrap;
}

.busqueda-nombre {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--text, #1e293b);
}

.busqueda-ext {
    font-size: 0.75rem;
    color: var(--text-muted, #94a3b8);
    margin-left: 6px;
    font-weight: 400;
}

/* ── Modal visor PDF ── */
.modal-visor-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.7);
    z-index: 1000;
    display: flex;
    align-items: stretch;
    justify-content: center;
}

.modal-visor {
    background: var(--bg-card, #fff);
    display: flex;
    flex-direction: column;
    width: 100%;
    max-width: 900px;
    margin: 16px;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-visor-header {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    background: var(--bg, #f8fafc);
}

.modal-visor-titulo {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text, #1e293b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-visor-body {
    flex: 1;
    overflow: hidden;
    position: relative;
}

.modal-visor-body iframe {
    width: 100%;
    height: 100%;
    border: none;
}

.modal-visor-loading {
    position: absolute;
    inset: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.9rem;
    color: var(--text-muted, #94a3b8);
    background: var(--bg, #f8fafc);
}

/* ── Modal crear carpeta / renombrar ── */
.modal-small-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0,0,0,0.5);
    z-index: 900;
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-small {
    background: var(--bg-card, #fff);
    border-radius: 10px;
    padding: 24px;
    width: 100%;
    max-width: 380px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.modal-small h4 {
    margin: 0 0 16px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text, #1e293b);
}

.modal-small input {
    width: 100%;
    padding: 9px 12px;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 7px;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text, #1e293b);
    background: var(--bg, #f8fafc);
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s;
}

.modal-small input:focus {
    border-color: var(--primary, var(--primary-hover));
    box-shadow: 0 0 0 3px rgba(72, 147, 198, 0.15);
}

.modal-small-footer {
    display: flex;
    gap: 8px;
    justify-content: flex-end;
    margin-top: 16px;
}

/* ── Upload zona ── */
.upload-zona {
    border: 2px dashed var(--border, #cbd5e1);
    border-radius: 10px;
    padding: 24px;
    text-align: center;
    cursor: pointer;
    transition: all 0.2s;
    background: var(--bg, #f8fafc);
    margin-bottom: 8px;
}

.upload-zona:hover,
.upload-zona.drag-over {
    border-color: var(--primary, var(--primary-hover));
    background: var(--primary-soft, var(--info-bg));
}

.upload-zona p {
    margin: 0;
    font-size: 0.85rem;
    color: var(--text-muted, #64748b);
}

.upload-zona strong {
    color: var(--primary, var(--primary-hover));
}

.upload-progress {
    margin-top: 8px;
    font-size: 0.8rem;
    color: var(--text-muted, #64748b);
}

/* ── Alertas inline ── */
.manuales-alert {
    padding: 10px 14px;
    border-radius: 7px;
    font-size: 0.85rem;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.manuales-alert.error   { background: var(--danger-bg); color: var(--danger); }
.manuales-alert.success { background: var(--success-bg); color: var(--success-text); }
.manuales-alert.info    { background: var(--info-bg); color: var(--info-text); }

/* ── Sin cliente seleccionado ── */
.manuales-no-cliente {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex: 1;
    gap: 16px;
    padding: 40px;
    text-align: center;
    color: var(--text-muted, #94a3b8);
}

.manuales-no-cliente-icon {
    font-size: 4rem;
    opacity: 0.3;
}

.manuales-no-cliente h3 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--text, #1e293b);
}

.manuales-no-cliente p {
    margin: 0;
    font-size: 0.875rem;
}

/* ── Selector de cliente ── */
.manuales-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    display: flex;
    align-items: center;
    gap: 12px;
    background: var(--bg-card, #fff);
    flex-shrink: 0;
}

.manuales-header h2 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--text, #1e293b);
    flex: 1;
}

.manuales-select-cliente {
    padding: 7px 12px;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 7px;
    font-size: 0.875rem;
    font-family: inherit;
    color: var(--text, #1e293b);
    background: var(--bg, #f8fafc);
    cursor: pointer;
    outline: none;
    min-width: 200px;
}

.manuales-select-cliente:focus {
    border-color: var(--primary, var(--primary-hover));
}

/* ── Modal Resumen ── */
.modal-resumen {
    background: var(--bg-card, #fff);
    border-radius: 12px;
    width: 100%;
    max-width: 640px;
    margin: 24px;
    display: flex;
    flex-direction: column;
    max-height: calc(100vh - 48px);
    box-shadow: 0 20px 60px rgba(0,0,0,0.25);
    overflow: hidden;
}

.modal-resumen-header {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 18px;
    border-bottom: 1px solid var(--border, #e2e8f0);
    background: var(--bg, #f8fafc);
    flex-shrink: 0;
}

.modal-resumen-icono {
    font-size: 1.3rem;
    flex-shrink: 0;
}

.modal-resumen-titulo {
    flex: 1;
    font-size: 0.9rem;
    font-weight: 600;
    color: var(--text, #1e293b);
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.modal-resumen-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    gap: 10px;
    padding: 16px 18px;
    overflow-y: auto;
}

.resumen-cargando,
.resumen-error {
    text-align: center;
    padding: 24px;
    font-size: 0.875rem;
    color: var(--text-muted, #94a3b8);
}

.resumen-error { color: var(--danger); }

.resumen-ia-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    background: var(--primary-soft, var(--info-bg));
    border: 1px solid var(--border-light);
    border-radius: 8px;
    padding: 8px 12px;
    gap: 12px;
    flex-wrap: wrap;
}

.btn-ia {
    background: var(--primary, var(--primary-hover));
    color: #fff;
    border: none;
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-family: inherit;
    font-size: 0.82rem;
    font-weight: 600;
    white-space: nowrap;
    transition: background 0.15s;
}

.btn-ia:hover   { background: var(--info-text); }
.btn-ia:disabled{ opacity: 0.6; cursor: not-allowed; }

.resumen-textarea {
    width: 100%;
    min-height: 220px;
    max-height: 380px;
    padding: 12px;
    border: 1px solid var(--border, #e2e8f0);
    border-radius: 8px;
    font-size: 0.875rem;
    font-family: inherit;
    line-height: 1.6;
    color: var(--text, #1e293b);
    background: var(--bg, #f8fafc);
    resize: vertical;
    outline: none;
    box-sizing: border-box;
    transition: border-color 0.15s;
}

.resumen-textarea:focus {
    border-color: var(--primary, var(--primary-hover));
    box-shadow: 0 0 0 3px rgba(72, 147, 198, 0.15);
}

.resumen-fecha {
    font-size: 0.76rem;
    color: var(--text-muted, #94a3b8);
    min-height: 1.1em;
    margin-bottom: 6px;
}

.resumen-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 4px;
    flex-wrap: wrap;
}

/* Estado del botón después de guardar correctamente */
.btn-guardado {
    background: var(--success) !important;
    border-color: var(--success) !important;
    color: #fff !important;
}

@media (max-width: 767px) {
    .modal-resumen {
        margin: 0;
        border-radius: 0;
        max-height: 100vh;
        height: 100%;
    }

    .resumen-textarea {
        min-height: 160px;
    }
}