/* ============================================================
   GenLAB — mapa.css
   Mapa conceptual jerárquico (de lo general a lo específico).
   Sin dependencias: CSS grid + SVG dibujado por js/mapa.js
   ============================================================ */

.nl-mapa {
    position: relative;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    padding: 1.25rem 1.25rem 1rem;
    margin-bottom: 1.75rem;
}

/* --- Encabezado --- */
.nl-mapa__head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.nl-mapa__title {
    font-size: .95rem;
    font-weight: 700;
    color: var(--white);
    display: flex;
    align-items: center;
    gap: .5rem;
}
.nl-mapa__hint {
    font-size: .75rem;
    color: var(--gray-500);
}
.nl-mapa__actions { display: flex; gap: .4rem; }
.nl-mapa__btn {
    padding: .3rem .7rem;
    border-radius: 100px;
    border: 1px solid var(--gray-700);
    background: transparent;
    color: var(--gray-300);
    font-family: inherit;
    font-size: .72rem;
    font-weight: 600;
    cursor: pointer;
    transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.nl-mapa__btn:hover {
    border-color: var(--violet);
    color: var(--violet-light);
    background: rgba(6,182,212,.08);
}

/* --- Lienzo: columnas = niveles de profundidad --- */
.nl-mapa__canvas {
    position: relative;
    overflow-x: auto;
    padding: .25rem 0 .5rem;
}
.nl-mapa__levels {
    position: relative;
    display: flex;
    align-items: flex-start;
    gap: 2.75rem;
    min-width: min-content;
    z-index: 1;
}
.nl-mapa__level {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: .5rem;
    min-width: 190px;
}
.nl-mapa__level-label {
    font-size: .65rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--gray-500);
    margin-bottom: .35rem;
    white-space: nowrap;
}

/* Líneas conectoras (SVG generado en JS) */
.nl-mapa__links {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 0;
    overflow: visible;
}
.nl-mapa__link {
    fill: none;
    stroke: var(--gray-700);
    stroke-width: 1.5;
    transition: stroke var(--t-base), stroke-width var(--t-base);
}
.nl-mapa__link.is-path {
    stroke: var(--violet);
    stroke-width: 2.5;
}

/* --- Nodos --- */
.nl-mapa__node {
    position: relative;
    display: flex;
    align-items: center;
    gap: .5rem;
    width: 100%;
    padding: .55rem .7rem;
    border-radius: 10px;
    border: 1px solid var(--gray-700);
    background: rgba(7,26,36,.75);
    color: var(--gray-300);
    font-family: inherit;
    font-size: .82rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: border-color var(--t-fast), background var(--t-fast),
                color var(--t-fast), transform var(--t-fast);
}
.nl-mapa__node:hover {
    border-color: rgba(6,182,212,.5);
    color: var(--white);
    transform: translateX(2px);
}
.nl-mapa__node:focus-visible {
    outline: 2px solid var(--violet);
    outline-offset: 2px;
}
.nl-mapa__node.is-path {
    border-color: rgba(6,182,212,.45);
    color: var(--white);
}
.nl-mapa__node.is-current {
    border-color: var(--violet);
    background: rgba(6,182,212,.18);
    color: var(--white);
    box-shadow: 0 0 0 3px rgba(6,182,212,.12);
}
.nl-mapa__node.is-selected {
    border-color: var(--pink);
    box-shadow: 0 0 0 3px var(--pink-glow);
}

.nl-mapa__node-ico { flex-shrink: 0; font-size: .95rem; line-height: 1; }
.nl-mapa__node-txt { flex: 1; line-height: 1.35; }

/* Nodo de actividad: se distingue del nodo de tema */
.nl-mapa__node.is-act {
    border-style: dashed;
    font-weight: 600;
    font-size: .78rem;
}
.nl-mapa__node.is-act .nl-mapa__node-txt { color: var(--gray-300); }

/* Contador de hijos ocultos */
.nl-mapa__badge {
    flex-shrink: 0;
    min-width: 1.35rem;
    padding: .1rem .35rem;
    border-radius: 100px;
    background: rgba(6,182,212,.18);
    color: var(--violet-light);
    font-size: .65rem;
    font-weight: 700;
    text-align: center;
}
.nl-mapa__node[aria-expanded="true"] .nl-mapa__badge {
    background: rgba(6,182,212,.08);
    color: var(--gray-500);
}

/* --- Panel de detalle --- */
.nl-mapa__detail {
    margin-top: 1rem;
    padding: .9rem 1rem;
    border-radius: 10px;
    border: 1px solid var(--gray-700);
    border-left: 3px solid var(--violet);
    background: rgba(7,26,36,.6);
    animation: nlMapaIn var(--t-base) ease both;
}
.nl-mapa__detail-head {
    display: flex;
    align-items: center;
    gap: .5rem;
    flex-wrap: wrap;
    margin-bottom: .4rem;
}
.nl-mapa__detail-title {
    font-size: .92rem;
    font-weight: 700;
    color: var(--white);
}
.nl-mapa__detail-ruta {
    font-size: .72rem;
    color: var(--gray-500);
    margin-bottom: .5rem;
}
.nl-mapa__detail-ruta span { color: var(--violet-light); }
.nl-mapa__detail p {
    font-size: .82rem;
    line-height: 1.6;
    color: var(--gray-300);
    margin-bottom: .6rem;
}
.nl-mapa__detail-link {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    font-size: .78rem;
    font-weight: 700;
    color: var(--violet-light);
    text-decoration: none;
}
.nl-mapa__detail-link:hover { color: var(--violet); }

.nl-mapa__empty {
    font-size: .82rem;
    color: var(--gray-500);
    padding: .5rem 0;
}

@keyframes nlMapaIn {
    from { opacity: 0; transform: translateY(-4px); }
    to   { opacity: 1; transform: none; }
}

/* --- Responsive: en móvil el mapa se apila verticalmente --- */
@media (max-width: 800px) {
    .nl-mapa__levels {
        flex-direction: column;
        align-items: stretch;
        gap: 1.1rem;
    }
    .nl-mapa__level { min-width: 0; }
    .nl-mapa__links { display: none; }
    .nl-mapa__level:not(:first-child) {
        padding-left: .9rem;
        border-left: 2px solid var(--gray-700);
    }
}

@media (prefers-reduced-motion: reduce) {
    .nl-mapa__node,
    .nl-mapa__link,
    .nl-mapa__detail { transition: none; animation: none; }
}