/* Nota de Transparencia: Código generado/refactorizado con asistencia de IA Generativa (Claude Code) bajo la Política ODTI012 del CCS. Requiere supervisión y validación humana permanente. */

/* ==========================================================================
   Catálogo de Publicaciones CCS
   Estilos con alcance limitado a `.pub-page` para no heredar ni contaminar
   las reglas globales de revista_psc.css (que define h2 { font-size: 30px }).
   ========================================================================== */

.pub-page {
    /* Color: paleta institucional CCS */
    --pub-navy: #083155;
    --pub-navy-700: #0c4275;
    --pub-blue: #1e73be;
    --pub-green: #2b7a45;

    /* Superficies y texto */
    --pub-surface: #ffffff;
    --pub-surface-alt: #f3f8fc;
    --pub-border: #d8e5f0;
    --pub-text: #1f2a37;
    --pub-text-muted: #5b6b7c;

    /* Escala de espaciado (base 4px) */
    --pub-space-1: .25rem;
    --pub-space-2: .5rem;
    --pub-space-3: .75rem;
    --pub-space-4: 1rem;
    --pub-space-5: 1.5rem;
    --pub-space-6: 2rem;
    --pub-space-7: 3rem;

    --pub-radius: 12px;
    --pub-radius-sm: 8px;
    --pub-shadow: 0 1px 2px rgba(8, 49, 85, .06), 0 4px 12px rgba(8, 49, 85, .06);
    --pub-shadow-hover: 0 6px 16px rgba(8, 49, 85, .12), 0 16px 32px rgba(8, 49, 85, .10);

    color: var(--pub-text);
}

/* Ancho de lectura cómodo: 60-75 caracteres por línea */
.pub-measure {
    max-width: 68ch;
}

/* --------------------------------------------------------------------------
   Masthead
   Imagen 2500x500. Se reserva el espacio con aspect-ratio para evitar CLS.
   -------------------------------------------------------------------------- */
.pub-masthead {
    display: block;
    width: 100%;
    height: auto;
}

/* --------------------------------------------------------------------------
   Hero
   -------------------------------------------------------------------------- */
.pub-hero {
    background: linear-gradient(160deg, var(--pub-navy) 0%, #0a3b66 55%, var(--pub-navy-700) 100%);
    color: #fff;
    padding: var(--pub-space-7) 0;
}

.pub-hero__eyebrow {
    display: inline-flex;
    align-items: center;
    gap: var(--pub-space-2);
    margin-bottom: var(--pub-space-3);
    font-size: .8125rem;
    font-weight: 700;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: #a9d3f5;
}

.pub-hero__eyebrow::before {
    content: "";
    width: 28px;
    height: 3px;
    border-radius: 2px;
    background: #61ce70;
}

.pub-page .pub-hero__title {
    margin: 0 0 var(--pub-space-4);
    font-size: clamp(1.875rem, 1.2rem + 2.4vw, 3rem);
    font-weight: 900;
    line-height: 1.1;
    color: #fff;
}

.pub-hero__lead {
    margin: 0;
    font-size: clamp(1rem, .95rem + .25vw, 1.125rem);
    line-height: 1.65;
    color: #e3eef8;
}

.pub-hero__lead + .pub-hero__lead {
    margin-top: var(--pub-space-4);
}

/* --------------------------------------------------------------------------
   Barra de herramientas: búsqueda + filtros por categoría
   -------------------------------------------------------------------------- */
.pub-toolbar {
    position: sticky;
    /* Se apila justo debajo del encabezado pegajoso; header-ccs.css define la
       altura. El respaldo 0px cubre las vistas que usan otro layout. */
    top: var(--ccs-header-h, 0px);
    /* Por debajo del encabezado (1030) y de su panel móvil (1040). */
    z-index: 10;
    background: rgba(255, 255, 255, .94);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--pub-border);
    padding: var(--pub-space-4) 0;
}

.pub-toolbar__row {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--pub-space-4);
}

.pub-search {
    position: relative;
    flex: 1 1 260px;
    min-width: 0;
}

.pub-search__icon {
    position: absolute;
    top: 50%;
    left: var(--pub-space-3);
    transform: translateY(-50%);
    color: var(--pub-text-muted);
    pointer-events: none;
}

.pub-page .pub-search__input {
    width: 100%;
    height: 44px;
    padding: 0 2.5rem;
    border: 1px solid var(--pub-border);
    border-radius: 999px;
    background: var(--pub-surface);
    color: var(--pub-text);
    font-size: 1rem;
}

.pub-page .pub-search__input::placeholder {
    color: var(--pub-text-muted);
}

.pub-page .pub-search__input:focus {
    outline: none;
    border-color: var(--pub-blue);
    box-shadow: 0 0 0 3px rgba(30, 115, 190, .25);
}

.pub-search__clear {
    position: absolute;
    top: 50%;
    right: var(--pub-space-2);
    transform: translateY(-50%);
    display: none;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    padding: 0;
    border: 0;
    border-radius: 50%;
    background: transparent;
    color: var(--pub-text-muted);
    cursor: pointer;
}

.pub-search__clear:hover {
    background: var(--pub-surface-alt);
    color: var(--pub-navy);
}

.pub-search__clear.is-visible {
    display: inline-flex;
}

/* Filtros */
.pub-filters {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pub-space-2);
    margin: 0;
    padding: 0;
    list-style: none;
}

.pub-page .pub-chip {
    display: inline-flex;
    align-items: center;
    gap: var(--pub-space-2);
    min-height: 36px;
    padding: 0 var(--pub-space-4);
    border: 1px solid var(--pub-border);
    border-radius: 999px;
    background: var(--pub-surface);
    color: var(--pub-navy);
    font-size: .875rem;
    font-weight: 600;
    line-height: 1;
    /* Sin salto de línea: en el carrusel móvil una etiqueta de dos renglones
       descuadra la altura del resto de los filtros. */
    white-space: nowrap;
    cursor: pointer;
    transition: background-color .16s ease, border-color .16s ease, color .16s ease;
}

.pub-page .pub-chip:hover {
    background: var(--pub-surface-alt);
    border-color: var(--pub-blue);
}

.pub-page .pub-chip:focus-visible {
    outline: 2px solid var(--pub-blue);
    outline-offset: 2px;
}

.pub-page .pub-chip[aria-pressed="true"] {
    background: var(--pub-navy);
    border-color: var(--pub-navy);
    color: #fff;
}

.pub-chip__count {
    font-size: .75rem;
    font-weight: 700;
    opacity: .7;
}

/* --------------------------------------------------------------------------
   Encabezado de resultados
   -------------------------------------------------------------------------- */
.pub-results {
    display: flex;
    flex-wrap: wrap;
    align-items: baseline;
    justify-content: space-between;
    gap: var(--pub-space-3);
    margin-bottom: var(--pub-space-5);
}

.pub-page .pub-results__title {
    margin: 0;
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--pub-navy);
}

.pub-results__count {
    margin: 0;
    font-size: .9375rem;
    color: var(--pub-text-muted);
}

/* --------------------------------------------------------------------------
   Grilla de tarjetas
   -------------------------------------------------------------------------- */
.pub-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
    gap: var(--pub-space-5);
    align-items: stretch;
}

.pub-card {
    position: relative;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid var(--pub-border);
    border-radius: var(--pub-radius);
    background: var(--pub-surface);
    box-shadow: var(--pub-shadow);
    overflow: hidden;
    transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.pub-card:hover {
    transform: translateY(-4px);
    border-color: #b9d4ea;
    box-shadow: var(--pub-shadow-hover);
}

/* El foco vive en el enlace del título; se refleja en toda la tarjeta. */
.pub-card:focus-within {
    border-color: var(--pub-blue);
    box-shadow: 0 0 0 3px rgba(30, 115, 190, .3), var(--pub-shadow-hover);
}

.pub-card__media {
    position: relative;
    background: var(--pub-surface-alt);
    border-bottom: 1px solid var(--pub-border);
}

.pub-card__cover {
    display: block;
    width: 100%;
    aspect-ratio: 3 / 4;
    object-fit: cover;
    object-position: center top;
    transition: transform .3s ease;
}

.pub-card:hover .pub-card__cover {
    transform: scale(1.03);
}

.pub-card__badge {
    position: absolute;
    top: var(--pub-space-3);
    left: var(--pub-space-3);
    z-index: 2;
    /* Deja pasar el clic al enlace que cubre la tarjeta: si no, la etiqueta
       sería una zona muerta sobre la portada. */
    pointer-events: none;
    display: inline-block;
    max-width: calc(100% - var(--pub-space-6));
    padding: .25rem .625rem;
    border-radius: var(--pub-radius-sm);
    background: rgba(8, 49, 85, .92);
    color: #fff;
    font-size: .6875rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.pub-card__body {
    display: flex;
    flex-direction: column;
    flex: 1 1 auto;
    gap: var(--pub-space-2);
    padding: var(--pub-space-4);
}

.pub-page .pub-card__title {
    margin: 0;
    font-size: 1.0625rem;
    font-weight: 700;
    line-height: 1.35;
    color: var(--pub-navy);
}

.pub-card__title a {
    color: inherit;
    text-decoration: none;
}

.pub-card__title a:hover {
    text-decoration: underline;
    text-underline-offset: 2px;
}

/* Anula el outline del enlace: el indicador de foco lo pinta :focus-within. */
.pub-card__title a:focus-visible {
    outline: none;
}

.pub-card__desc {
    margin: 0;
    font-size: .875rem;
    line-height: 1.55;
    color: var(--pub-text-muted);
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.pub-card__cta {
    display: inline-flex;
    align-items: center;
    gap: var(--pub-space-2);
    margin-top: auto;
    padding-top: var(--pub-space-2);
    color: var(--pub-blue);
    font-size: .875rem;
    font-weight: 700;
}

.pub-card__cta i {
    transition: transform .18s ease;
}

.pub-card:hover .pub-card__cta i {
    transform: translateX(3px);
}

/* Zona de clic de toda la tarjeta (patrón de una sola parada de tabulación) */
.pub-card__link-overlay {
    position: absolute;
    inset: 0;
    z-index: 1;
}

/* --------------------------------------------------------------------------
   Estado vacío
   -------------------------------------------------------------------------- */
.pub-empty {
    display: none;
    padding: var(--pub-space-7) var(--pub-space-4);
    border: 1px dashed var(--pub-border);
    border-radius: var(--pub-radius);
    background: var(--pub-surface);
    text-align: center;
}

.pub-empty.is-visible {
    display: block;
}

.pub-empty__icon {
    font-size: 2.5rem;
    line-height: 1;
    color: var(--pub-blue);
}

.pub-page .pub-empty__title {
    margin: var(--pub-space-3) 0 var(--pub-space-2);
    font-size: 1.125rem;
    font-weight: 700;
    color: var(--pub-navy);
}

.pub-empty__text {
    margin: 0 0 var(--pub-space-4);
    color: var(--pub-text-muted);
}

/* --------------------------------------------------------------------------
   Botones
   -------------------------------------------------------------------------- */
.pub-page .pub-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--pub-space-2);
    min-height: 44px;
    padding: 0 var(--pub-space-5);
    border: 1px solid transparent;
    border-radius: 999px;
    font-size: 1rem;
    font-weight: 700;
    text-decoration: none;
    cursor: pointer;
    transition: background-color .16s ease, color .16s ease, border-color .16s ease;
}

/* Contraste 13.3:1 sobre blanco. El verde #61ce70 anterior daba 2.0:1 con texto
   blanco, muy por debajo del 4.5:1 que exige WCAG 2.1 AA para texto normal. */
.pub-page .pub-btn--primary {
    background: var(--pub-navy);
    color: #fff;
}

.pub-page .pub-btn--primary:hover {
    background: var(--pub-navy-700);
    color: #fff;
}

.pub-page .pub-btn--ghost {
    background: transparent;
    border-color: var(--pub-border);
    color: var(--pub-navy);
}

.pub-page .pub-btn--ghost:hover {
    background: var(--pub-surface-alt);
    border-color: var(--pub-blue);
}

.pub-page .pub-btn:focus-visible {
    outline: 2px solid var(--pub-blue);
    outline-offset: 2px;
}

/* --------------------------------------------------------------------------
   Llamado a la acción: Red de Autores
   -------------------------------------------------------------------------- */
.pub-authors {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: var(--pub-space-5);
    margin-top: var(--pub-space-7);
    padding: var(--pub-space-6);
    border: 1px solid var(--pub-border);
    border-left: 4px solid #61ce70;
    border-radius: var(--pub-radius);
    background: var(--pub-surface-alt);
}

.pub-page .pub-authors__title {
    margin: 0 0 var(--pub-space-2);
    font-size: 1.25rem;
    font-weight: 900;
    color: var(--pub-navy);
}

.pub-authors__text {
    margin: 0;
    color: var(--pub-text-muted);
}

.pub-authors__body {
    flex: 1 1 320px;
}

/* --------------------------------------------------------------------------
   Utilidades
   -------------------------------------------------------------------------- */
/* Franja de datos del catálogo en el hero */
.pub-hero__meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--pub-space-2) var(--pub-space-4);
    margin: var(--pub-space-5) 0 0;
    padding: 0;
    list-style: none;
    font-size: .875rem;
    color: #bcd8ef;
}

.pub-hero__meta li {
    display: inline-flex;
    align-items: center;
    gap: var(--pub-space-2);
}

/* Entrada escalonada. No usa AOS: los observadores de scroll dejan invisibles
   las tarjetas que reaparecen al filtrar. */
@media (prefers-reduced-motion: no-preference) {
    .pub-card {
        animation: pub-fade-in .4s ease both;
    }
}

@keyframes pub-fade-in {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: none;
    }
}

@media (prefers-reduced-motion: reduce) {
    .pub-card,
    .pub-card__cover,
    .pub-card__cta i {
        transition: none;
    }

    .pub-card:hover {
        transform: none;
    }

    .pub-card:hover .pub-card__cover {
        transform: none;
    }
}

/* Móvil */
@media (max-width: 575.98px) {
    .pub-grid {
        grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
        gap: var(--pub-space-4);
    }

    .pub-card__body {
        padding: var(--pub-space-3);
    }

    .pub-page .pub-card__title {
        font-size: .9375rem;
    }

    .pub-card__desc {
        -webkit-line-clamp: 3;
        font-size: .8125rem;
    }

    .pub-hero {
        padding: var(--pub-space-6) 0;
    }

    /* Los filtros pasan a carrusel horizontal para no consumir alto de pantalla */
    .pub-filters {
        flex-wrap: nowrap;
        overflow-x: auto;
        padding-bottom: var(--pub-space-2);
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .pub-filters::-webkit-scrollbar {
        display: none;
    }

    .pub-page .pub-chip {
        flex: 0 0 auto;
    }

    .pub-authors {
        padding: var(--pub-space-5);
    }
}