/* ============================================================
   GenLAB — tema.css
   Página propia de un tema o subtema (tema.php)
   ============================================================ */

/* --- Cabecera --- */
.nl-tema-header {
    padding: 3rem 0 1.5rem;
    border-bottom: 1px solid var(--gray-700);
}

.nl-tema-crumbs {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .4rem;
    font-size: .78rem;
    color: var(--gray-500);
    margin-bottom: 1rem;
}
.nl-tema-crumbs a {
    color: var(--gray-300);
    text-decoration: none;
    transition: color var(--t-fast);
}
.nl-tema-crumbs a:hover { color: var(--violet-light); }
.nl-tema-crumbs__sep { color: var(--gray-700); }
.nl-tema-crumbs__actual { color: var(--violet-light); font-weight: 700; }

.nl-tema-title {
    display: flex;
    align-items: center;
    gap: .75rem;
    flex-wrap: wrap;
}
.nl-tema-title h1 {
    margin: 0;
    font-size: clamp(1.6rem, 4vw, 2.4rem);
    line-height: 1.15;
}
.nl-tema-num {
    font-size: .8rem;
    font-weight: 800;
    letter-spacing: .06em;
    color: var(--violet);
    border: 1px solid rgba(6,182,212,.35);
    border-radius: 100px;
    padding: .25rem .7rem;
    white-space: nowrap;
}
.nl-tema-ico { font-size: 1.8rem; line-height: 1; }

.nl-tema-chips {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin-top: .9rem;
}

/* Índice de secciones */
.nl-tema-anclas {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
    margin-top: 1.35rem;
}
.nl-tema-anclas a {
    padding: .35rem .85rem;
    border-radius: 100px;
    border: 1px solid var(--gray-700);
    color: var(--gray-300);
    font-size: .78rem;
    font-weight: 600;
    text-decoration: none;
    transition: border-color var(--t-fast), color var(--t-fast), background var(--t-fast);
}
.nl-tema-anclas a:hover {
    border-color: var(--violet);
    color: var(--violet-light);
    background: rgba(6,182,212,.08);
}

/* --- Cuerpo --- */
.nl-tema-body { padding: 2rem 0 4rem; }

.nl-tema-sec {
    padding: 1.75rem 0;
    border-bottom: 1px solid rgba(36,75,90,.5);
    scroll-margin-top: 2rem;
}
.nl-tema-sec:last-of-type { border-bottom: 0; }

.nl-tema-sec__head {
    display: flex;
    align-items: baseline;
    justify-content: space-between;
    gap: 1rem;
    flex-wrap: wrap;
    margin-bottom: 1rem;
}
.nl-tema-sec__head h2 {
    margin: 0;
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--white);
}
.nl-tema-sec__hint { font-size: .78rem; color: var(--gray-500); }

.nl-tema-prosa {
    max-width: 68ch;
    font-size: 1rem;
    line-height: 1.75;
    color: var(--gray-100);
}

.nl-tema-vacia {
    font-size: .85rem;
    line-height: 1.6;
    color: var(--gray-500);
    background: rgba(15,44,58,.45);
    border: 1px dashed var(--gray-700);
    border-radius: var(--radius);
    padding: 1rem 1.15rem;
}
.nl-tema-vacia code {
    font-size: .8em;
    color: var(--violet-light);
    background: rgba(6,182,212,.1);
    border-radius: 5px;
    padding: .1rem .35rem;
}

/* --- Grillas de tarjetas --- */
.nl-tema-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: 1rem;
}

/* Tarjeta de subtema */
.nl-tema-card {
    display: block;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    padding: 1.15rem 1.25rem;
    text-decoration: none;
    transition: border-color var(--t-base), transform var(--t-base);
}
.nl-tema-card:hover {
    border-color: rgba(6,182,212,.4);
    transform: translateY(-3px);
}
.nl-tema-card__top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: .5rem;
    margin-bottom: .55rem;
}
.nl-tema-card__ico { font-size: 1.25rem; line-height: 1; }
.nl-tema-card__num {
    font-size: .68rem;
    font-weight: 800;
    letter-spacing: .05em;
    color: var(--violet);
}
.nl-tema-card__title {
    font-size: 1rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: .3rem;
    line-height: 1.3;
}
.nl-tema-card__desc {
    font-size: .82rem;
    color: var(--gray-500);
    line-height: 1.5;
    margin: 0;
}
.nl-tema-card__meta {
    display: inline-block;
    margin-top: .65rem;
    font-size: .7rem;
    font-weight: 700;
    color: var(--gray-500);
}

/* Tarjeta de quiz */
.nl-quiz-card {
    display: flex;
    align-items: flex-start;
    gap: .75rem;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    padding: 1.15rem 1.25rem;
    text-decoration: none;
    transition: border-color var(--t-base), transform var(--t-base);
}
.nl-quiz-card:hover {
    border-color: rgba(251,113,133,.4);
    transform: translateY(-3px);
}
.nl-quiz-card__ico { font-size: 1.25rem; line-height: 1.2; }
.nl-quiz-card__title { font-size: .95rem; font-weight: 700; color: var(--white); line-height: 1.3; }
.nl-quiz-card__meta { font-size: .76rem; color: var(--gray-500); margin-top: .25rem; line-height: 1.4; }

/* El mapa vive dentro de una sección que ya lleva su título: no lo repetimos. */
#mapa-conceptual .nl-mapa { border: 0; padding: 0; background: none; }
#mapa-conceptual .nl-mapa__title,
#mapa-conceptual .nl-mapa__hint { display: none; }
#mapa-conceptual .nl-mapa__head { justify-content: flex-end; margin-bottom: .75rem; }

/* --- Galería de imágenes --- */
.nl-tema-galeria {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}
.nl-tema-figura {
    margin: 0;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    overflow: hidden;
}
.nl-tema-figura img {
    display: block;
    width: 100%;
    height: auto;
    background: rgba(0,0,0,.2);
}
.nl-tema-figura figcaption {
    padding: .65rem .85rem;
    font-size: .78rem;
    color: var(--gray-300);
    line-height: 1.45;
}

/* --- Recursos --- */
.nl-tema-recursos { list-style: none; margin: 0; padding: 0; display: grid; gap: .6rem; }
.nl-tema-recurso a {
    display: flex;
    align-items: flex-start;
    gap: .7rem;
    padding: .85rem 1rem;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    text-decoration: none;
    color: var(--gray-100);
    transition: border-color var(--t-fast);
}
.nl-tema-recurso a:hover { border-color: rgba(6,182,212,.4); }
.nl-tema-recurso__ico { font-size: 1.05rem; line-height: 1.3; }
.nl-tema-recurso strong { display: block; font-size: .9rem; font-weight: 700; }
.nl-tema-recurso em {
    display: block;
    margin-top: .2rem;
    font-style: normal;
    font-size: .78rem;
    color: var(--gray-500);
}
.nl-tema-recurso__html {
    padding: .85rem 1rem;
    background: var(--navy-mid);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius);
    font-size: .88rem;
    line-height: 1.6;
    color: var(--gray-100);
}

/* --- Pie de la página --- */
.nl-tema-pie {
    display: flex;
    flex-wrap: wrap;
    gap: .6rem;
    padding-top: 2rem;
}

/* --- Estado "tema no encontrado" --- */
.nl-tema-vacio { padding: 5rem 0 5rem; text-align: center; }

@media (max-width: 640px) {
    .nl-tema-header { padding-top: 2.5rem; }
    .nl-tema-sec { padding: 1.35rem 0; }
}

@media (prefers-reduced-motion: reduce) {
    .nl-tema-card, .nl-quiz-card, .nl-tema-anclas a { transition: none; }
    .nl-tema-card:hover, .nl-quiz-card:hover { transform: none; }
}