/* ==========================================================================
   Guía de regalos — buscador, filtros y tarjetas
   Prefijo `rkb-reg`. Se encola solo en la página que usa [rkb_regalos].

   Escritorio (>= 1024 px): barra superior + columna de filtros fija a la
   izquierda, patrón de tienda de ropa.
   Móvil: la columna se convierte en un cajón lateral que abre el botón
   «Filtros» y se cierra con la X, la capa oscura, Escape o «Ver N regalos».
   ========================================================================== */

.rkb-reg {
    --rkb-reg-bg: #0b0a0e;
    --rkb-reg-panel: #16141d;
    --rkb-reg-panel-2: #1e1b26;
    --rkb-reg-line: rgba(255, 255, 255, .12);
    --rkb-reg-line-2: rgba(255, 255, 255, .2);
    --rkb-reg-text: #f4f0fa;
    --rkb-reg-muted: rgba(244, 240, 250, .68);
    --rkb-reg-tenue: rgba(244, 240, 250, .45);
    --rkb-reg-red: #e3262e;
    --rkb-reg-yellow: #f3c347;
    --rkb-reg-radio: 16px;

    display: block;
    margin: 2rem auto;
    color: var(--rkb-reg-text);
    font-family: Inter, ui-sans-serif, system-ui, -apple-system, "Segoe UI", sans-serif;
    text-align: start;
}

.rkb-reg *,
.rkb-reg *::before,
.rkb-reg *::after { box-sizing: border-box; }

.rkb-reg [hidden] { display: none !important; }

/* =====================================================================
   Barra superior: buscador + botón de filtros (móvil) + contador
   ===================================================================== */

.rkb-reg__top {
    position: sticky;
    top: 66px; /* el header de `king` mide 66 px y también es sticky */
    z-index: 20;
    display: flex;
    flex-wrap: wrap;
    gap: .7rem;
    align-items: center;
    padding: .8rem 1rem;
    border: 1px solid var(--rkb-reg-line);
    border-radius: var(--rkb-reg-radio);
    background: rgba(11, 10, 14, .94);
    backdrop-filter: blur(10px);
}

.rkb-reg__buscador {
    position: relative;
    display: flex;
    flex: 1 1 auto;
    min-width: 0;
    align-items: center;
    gap: .55rem;
    margin: 0;
}

.rkb-reg__buscador > i {
    position: absolute;
    left: .9rem;
    color: var(--rkb-reg-tenue);
    font-size: .9rem;
    pointer-events: none;
}

.rkb-reg__buscador input {
    width: 100%;
    padding: .68rem 1rem .68rem 2.4rem;
    border: 1px solid var(--rkb-reg-line);
    border-radius: 999px;
    background: var(--rkb-reg-panel);
    color: var(--rkb-reg-text);
    font-family: inherit;
    font-size: .95rem;
    line-height: 1.2;
    appearance: none;
}

.rkb-reg__buscador input::placeholder { color: var(--rkb-reg-tenue); }

.rkb-reg__buscador input:focus {
    outline: 2px solid rgba(243, 195, 71, .55);
    outline-offset: 1px;
    border-color: var(--rkb-reg-yellow);
}

.rkb-reg__contador {
    margin: 0 0 1rem;
    color: var(--rkb-reg-muted);
    font-size: .78rem;
    font-weight: 700;
    letter-spacing: .05em;
    text-transform: uppercase;
}

/* Botón que abre el cajón. Vive en el dock inferior para que quede al alcance
   del pulgar: arriba de la página obliga a subir para filtrar. */
.rkb-reg__dock { display: none; }

.rkb-reg__dock-txt {
    margin: 0;
    color: var(--rkb-reg-muted);
    font-size: .76rem;
    font-weight: 700;
    letter-spacing: .04em;
    text-transform: uppercase;
    white-space: nowrap;
}

.rkb-reg__dock-btn {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .62rem 1.05rem;
    border: 0;
    border-radius: 999px;
    background: linear-gradient(135deg, var(--rkb-reg-yellow), #e8a51c);
    color: #14100c;
    font-family: inherit;
    font-size: .88rem;
    font-weight: 800;
    line-height: 1;
    cursor: pointer;
    white-space: nowrap;
}

.rkb-reg__dock-btn .rkb-reg__badge { background: #14100c; color: var(--rkb-reg-yellow); }

.rkb-reg__badge {
    display: grid;
    place-items: center;
    min-width: 1.35rem;
    height: 1.35rem;
    padding: 0 .3rem;
    border-radius: 999px;
    background: var(--rkb-reg-red);
    color: #fff;
    font-size: .72rem;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
}

/* =====================================================================
   Maqueta: columna de filtros + resultados
   ===================================================================== */

.rkb-reg__layout {
    display: grid;
    grid-template-columns: 1fr;
    /* Sin esto la columna de filtros se estira a la altura de todo el
       listado (~20.000 px) y `position: sticky` deja de tener sentido. */
    align-items: start;
    gap: 1.5rem;
    margin: 1.5rem 0 0;
}

.rkb-reg__sidebar {
    display: grid;
    gap: 1.15rem;
    align-content: start;
    min-width: 0;
    padding: 0;
}

.rkb-reg__sidebar-head { display: none; }
.rkb-reg__sidebar-foot { display: none; }

.rkb-reg__grupo { display: grid; gap: .5rem; min-width: 0; }

.rkb-reg__grupo-label {
    color: var(--rkb-reg-tenue);
    font-size: .72rem;
    font-weight: 800;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.rkb-reg__chips {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
}

/* Todo en una columna. Las etiquetas largas («Vinilos y ediciones
   especiales», «El que empieza») a dos columnas se salían de la tarjeta. */

.rkb-reg__grupo--precio .rkb-chip,
.rkb-reg__grupo--para .rkb-chip {
    justify-content: space-between;
}

/* ---------------------------------------------------------------- chips */

.rkb-chip {
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    max-width: 100%;
    min-width: 0;
    padding: .5rem .75rem;
    border: 1px solid var(--rkb-reg-line);
    border-radius: 999px;
    background: var(--rkb-reg-panel);
    color: var(--rkb-reg-muted);
    font-family: inherit;
    font-size: .8rem;
    font-weight: 600;
    line-height: 1.1;
    text-align: start;
    cursor: pointer;
    transition: background .16s ease, color .16s ease, border-color .16s ease;
}

.rkb-chip:hover,
.rkb-chip:focus-visible {
    color: var(--rkb-reg-text);
    border-color: var(--rkb-reg-line-2);
    outline: none;
}

.rkb-chip.is-on {
    color: #14100c;
    background: linear-gradient(135deg, var(--rkb-reg-yellow), #e8a51c);
    border-color: transparent;
}

.rkb-chip > i {
    flex: 0 0 auto;
    font-size: .78rem;
    opacity: .85;
}

/* El texto puede partirse en varias líneas antes que salirse de la tarjeta. */
.rkb-chip__txt {
    flex: 1 1 auto;
    min-width: 0;
    text-align: start;
    overflow-wrap: anywhere;
}

.rkb-chip__n {
    flex: 0 0 auto;
    padding: .1rem .35rem;
    border-radius: 999px;
    background: rgba(255, 255, 255, .12);
    font-size: .7rem;
    font-weight: 700;
    font-variant-numeric: tabular-nums;
}

.rkb-chip.is-on .rkb-chip__n { background: rgba(0, 0, 0, .18); }

.rkb-reg__reset {
    justify-self: start;
    display: inline-flex;
    align-items: center;
    gap: .45rem;
    padding: .5rem .9rem;
    border: 1px dashed var(--rkb-reg-line-2);
    border-radius: 999px;
    background: transparent;
    color: var(--rkb-reg-muted);
    font-family: inherit;
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
}

.rkb-reg__reset:hover { color: var(--rkb-reg-text); border-color: var(--rkb-reg-yellow); }

/* ---------------------------------------------------------------- índice */

.rkb-reg__toc {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .4rem;
    margin: 0 0 1.1rem;
}

.rkb-reg__toc-titulo {
    margin: 0 .2rem 0 0;
    color: var(--rkb-reg-yellow);
    font-size: .68rem;
    font-weight: 900;
    letter-spacing: .14em;
    text-transform: uppercase;
}

.rkb-reg__toc ul {
    display: flex;
    flex-wrap: wrap;
    gap: .35rem;
    margin: 0;
    padding: 0;
    list-style: none;
}

.rkb-reg__toc li { margin: 0; }

.rkb-reg__toc a {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    padding: .35rem .65rem;
    border: 1px solid var(--rkb-reg-line);
    border-radius: 8px;
    color: var(--rkb-reg-muted);
    font-size: .78rem;
    font-weight: 600;
    line-height: 1.3;
    text-decoration: none;
    transition: background .14s ease, color .14s ease, border-color .14s ease;
}

.rkb-reg__toc a > i {
    color: var(--rkb-reg-red);
    font-size: .74rem;
}

.rkb-reg__toc a:hover,
.rkb-reg__toc a:focus-visible {
    color: var(--rkb-reg-text);
    border-color: var(--rkb-reg-yellow);
    background: var(--rkb-reg-panel-2);
    text-decoration: none;
}

/* ============================================================= secciones */

.rkb-reg__lista { margin: 0; }

.rkb-reg__sec {
    margin: 0 0 2.6rem;
    scroll-margin-top: 160px; /* 66 header + ~78 barra + aire */
}

.rkb-reg__sec-titulo {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin: 0 0 .35rem;
    padding: 0 0 .6rem;
    border-bottom: 1px solid var(--rkb-reg-line);
    color: var(--rkb-reg-text);
    font-size: clamp(1.3rem, 2.4vw, 1.6rem);
    font-weight: 800;
    letter-spacing: -.01em;
    line-height: 1.2;
}

.rkb-reg__sec-titulo > i { color: var(--rkb-reg-red); font-size: .9em; }

.rkb-reg__sec-intro {
    margin: 0 0 1.1rem;
    max-width: 68ch;
    color: var(--rkb-reg-muted);
    font-size: .9rem;
    line-height: 1.6;
}

/* ------------------------------------------------------------------ grid */

.rkb-reg__grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
    gap: 1rem;
}

/* ---------------------------------------------------------------- tarjeta */

.rkb-reg__card {
    display: flex;
    flex-direction: column;
    overflow: hidden;
    border: 1px solid var(--rkb-reg-line);
    border-radius: var(--rkb-reg-radio);
    background: var(--rkb-reg-panel);
    transition: border-color .18s ease, transform .18s ease, box-shadow .18s ease;
}

.rkb-reg__card:hover {
    border-color: rgba(243, 195, 71, .45);
    transform: translateY(-2px);
    box-shadow: 0 16px 34px -22px rgba(0, 0, 0, .9);
}

/* Zona visual. Sin foto de producto: ilustración de la categoría. */
.rkb-reg__media {
    position: relative;
    display: grid;
    place-items: center;
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background:
        radial-gradient(120% 120% at 20% 0%, rgba(243, 195, 71, .16), transparent 58%),
        radial-gradient(120% 120% at 100% 100%, rgba(227, 38, 46, .22), transparent 62%),
        linear-gradient(150deg, #1b1824, #0e0c13);
}

.rkb-reg__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

/* Logos de banda: se muestran enteros y centrados, como en una tienda de
   merchandising, no recortados a sangre. */
.rkb-reg__media.is-logo img {
    width: auto;
    height: auto;
    max-width: 60%;
    max-height: 50%;
    object-fit: contain;
    filter: drop-shadow(0 8px 22px rgba(0, 0, 0, .7));
    transition: transform .25s ease;
}

.rkb-reg__card:hover .rkb-reg__media.is-logo img { transform: scale(1.05); }

/* Una tonalidad por categoría: sin foto de producto, 100 tarjetas del mismo
   color se leen como un muro. El degradado es tenue y el icono manda. */
.rkb-reg__media--vinilos {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(243, 195, 71, .20), transparent 58%),
        linear-gradient(150deg, #211b16, #0e0c13);
}

.rkb-reg__media--figuras {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(226, 74, 143, .18), transparent 58%),
        linear-gradient(150deg, #211722, #0e0c13);
}

.rkb-reg__media--libros {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(86, 156, 214, .18), transparent 58%),
        linear-gradient(150deg, #161d26, #0e0c13);
}

.rkb-reg__media--ropa {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(72, 199, 178, .16), transparent 58%),
        linear-gradient(150deg, #14211f, #0e0c13);
}

.rkb-reg__media--hogar {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(243, 146, 55, .18), transparent 58%),
        linear-gradient(150deg, #241a12, #0e0c13);
}

.rkb-reg__media--gastro {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(227, 38, 46, .20), transparent 58%),
        linear-gradient(150deg, #241315, #0e0c13);
}

.rkb-reg__media--juegos {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(126, 200, 80, .16), transparent 58%),
        linear-gradient(150deg, #17210f, #0e0c13);
}

.rkb-reg__media--musica {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(160, 116, 240, .18), transparent 58%),
        linear-gradient(150deg, #1b1626, #0e0c13);
}

.rkb-reg__media--experiencias {
    background:
        radial-gradient(120% 120% at 18% 0%, rgba(56, 189, 214, .18), transparent 58%),
        linear-gradient(150deg, #12222a, #0e0c13);
}

.rkb-reg__media-icon {
    color: rgba(244, 240, 250, .34);
    font-size: clamp(2.2rem, 5vw, 3rem);
    line-height: 1;
    filter: drop-shadow(0 6px 18px rgba(0, 0, 0, .55));
    transition: color .2s ease, transform .2s ease;
}

.rkb-reg__card:hover .rkb-reg__media-icon {
    color: rgba(243, 195, 71, .75);
    transform: scale(1.06);
}

.rkb-reg__num {
    position: absolute;
    top: .6rem;
    left: .6rem;
    display: grid;
    place-items: center;
    min-width: 1.9rem;
    height: 1.9rem;
    padding: 0 .35rem;
    border-radius: 7px;
    background: rgba(11, 10, 14, .78);
    color: var(--rkb-reg-yellow);
    font-size: .74rem;
    font-weight: 900;
    font-variant-numeric: tabular-nums;
    backdrop-filter: blur(4px);
}

.rkb-reg__cuerpo {
    display: flex;
    flex: 1 1 auto;
    flex-direction: column;
    gap: .45rem;
    padding: .9rem 1rem 1rem;
}

.rkb-reg__precio {
    margin: 0;
    color: var(--rkb-reg-yellow);
    font-size: .78rem;
    font-weight: 800;
    letter-spacing: .02em;
}

.rkb-reg__nombre {
    margin: 0;
    color: var(--rkb-reg-text);
    font-size: .98rem;
    font-weight: 700;
    line-height: 1.32;
}

.rkb-reg__desc {
    flex: 1 1 auto;
    margin: 0;
    color: var(--rkb-reg-muted);
    font-size: .85rem;
    line-height: 1.55;
}

.rkb-reg__acciones {
    display: flex;
    flex-wrap: wrap;
    gap: .45rem;
    margin: .5rem 0 0;
    padding-top: .75rem;
    border-top: 1px solid var(--rkb-reg-line);
}

/* ------------------------------------------------- explicación desplegable */

.rkb-reg__extra {
    margin: .3rem 0 0;
}

.rkb-reg__extra summary {
    display: inline-flex;
    align-items: center;
    gap: .35rem;
    color: var(--rkb-reg-yellow);
    font-size: .8rem;
    font-weight: 700;
    cursor: pointer;
    list-style: none;
    user-select: none;
}

.rkb-reg__extra summary::-webkit-details-marker { display: none; }

.rkb-reg__extra summary::before {
    content: '+';
    display: inline-block;
    width: .9rem;
    text-align: center;
    font-weight: 900;
}

.rkb-reg__extra[open] summary::before { content: '−'; }

.rkb-reg__extra summary:hover { text-decoration: underline; }

.rkb-reg__extra p {
    margin: .55rem 0 0;
    padding: .65rem .8rem;
    border-left: 2px solid var(--rkb-reg-yellow);
    border-radius: 0 8px 8px 0;
    background: rgba(243, 195, 71, .07);
    color: var(--rkb-reg-muted);
    font-size: .82rem;
    line-height: 1.55;
}

/* --------------------------------------------------------------- botones */

.rkb-reg__btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: .45rem;
    padding: .55rem .85rem;
    border: 1px solid var(--rkb-reg-line-2);
    border-radius: 999px;
    background: transparent;
    color: var(--rkb-reg-text);
    font-size: .8rem;
    font-weight: 700;
    line-height: 1;
    text-decoration: none;
    transition: transform .16s ease, filter .16s ease;
}

.rkb-reg__btn:hover,
.rkb-reg__btn:focus-visible { transform: translateY(-1px); filter: brightness(1.07); }

/* Un solo estilo de botón para todas las tiendas: Amazon, AliExpress, EMP o
   El Corte Inglés se ven igual. No se revela el destino hasta pulsar. */
.rkb-reg__btn--tienda {
    color: #14100c;
    background: linear-gradient(135deg, var(--rkb-reg-yellow), #e8a51c);
    border-color: transparent;
}

.rkb-reg__btn--agenda {
    color: var(--rkb-reg-text);
    background: rgba(255, 255, 255, .07);
}

.rkb-reg__btn--web {
    color: var(--rkb-reg-text);
    background: rgba(255, 255, 255, .07);
}

/* ----------------------------------------------------------------- aside */

.rkb-reg__aside {
    margin: 1.15rem 0 0;
    padding: 1.1rem 1.2rem;
    border: 1px solid var(--rkb-reg-line);
    border-radius: var(--rkb-reg-radio);
    background: rgba(243, 195, 71, .06);
}

.rkb-reg__aside p {
    margin: 0 0 .85rem;
    max-width: 66ch;
    color: var(--rkb-reg-muted);
    font-size: .9rem;
    line-height: 1.6;
}

.rkb-reg__aside-btns { display: flex; flex-wrap: wrap; gap: .5rem; }

/* ----------------------------------------------------------------- vacío */

.rkb-reg__vacio-global {
    display: flex;
    align-items: center;
    gap: .6rem;
    margin: 1.5rem 0 0;
    padding: 1.1rem 1.2rem;
    border: 1px dashed var(--rkb-reg-line-2);
    border-radius: var(--rkb-reg-radio);
    color: var(--rkb-reg-muted);
    font-size: .9rem;
}

/* =====================================================================
   Escritorio: columna de filtros a la izquierda, en el flujo de la página
   ===================================================================== */

@media (min-width: 1024px) {
    .rkb-reg__layout {
        grid-template-columns: 262px minmax(0, 1fr);
        gap: 2rem;
    }

    /* Sin `position: sticky`, sin `max-height` y sin `overflow`: la columna
       ocupa el alto que necesite y se desplaza con la página. Es más simple
       que encajarla a la fuerza en el alto de la ventana, que la dejaba
       apretada y con zonas inalcanzables en portátiles bajos. */
    .rkb-reg__sidebar {
        position: static;
        gap: 1.25rem;
        padding: 1.15rem 1.1rem 1.3rem;
        border: 1px solid var(--rkb-reg-line);
        border-radius: var(--rkb-reg-radio);
        background: rgba(255, 255, 255, .022);
    }

    .rkb-reg__grupo { gap: .55rem; }

    .rkb-reg__chips { flex-direction: column; }

    .rkb-chip {
        width: 100%;
        justify-content: space-between;
        border-radius: 10px;
    }

    .rkb-chip__txt { flex: 1 1 auto; }

    .rkb-reg__overlay { display: none !important; }
    .rkb-reg__dock { display: none !important; }
}

/* =====================================================================
   Móvil / tableta: cajón lateral
   ===================================================================== */

@media (max-width: 1023px) {
    /* La barra con el buscador va en el flujo normal: el acceso permanente a
       los filtros es el dock inferior, no esta barra. */
    .rkb-reg__top {
        position: static;
        flex-wrap: nowrap;
        gap: .5rem;
        padding: .55rem;
    }

    /* Dock inferior: aparece solo mientras la guía está en pantalla
       (`is-dock` lo pone el IntersectionObserver) para no tapar el pie. */
    .rkb-reg.is-dock .rkb-reg__dock {
        position: fixed;
        left: 0;
        right: 0;
        bottom: 0;
        z-index: 900;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: .6rem;
        padding: .55rem .75rem calc(.55rem + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid var(--rkb-reg-line-2);
        background: rgba(11, 10, 14, .96);
        backdrop-filter: blur(10px);
    }

    .rkb-reg.is-filtros .rkb-reg__dock { display: none; }

    /* Aire para que el dock no tape las últimas tarjetas. */
    .rkb-reg { padding-bottom: 4.5rem; }

    /* `top: 66px` y no `top: 0`. El ancestro `.rkb-glow-wrap` del tema tiene
       `isolation: isolate`, así que el cajón vive en un contexto de apilamiento
       que queda POR DEBAJO del header: subir el z-index no sirve de nada.
       Anclándolo bajo el header no se solapan y el botón de cerrar se puede
       pulsar. */
    .rkb-reg__sidebar {
        position: fixed;
        top: 66px;
        right: 0;
        bottom: 0;
        left: auto;
        z-index: 1000;
        display: flex;
        flex-direction: column;
        width: min(340px, 88vw);
        padding: 0;
        border: 0;
        border-left: 1px solid var(--rkb-reg-line-2);
        background: var(--rkb-reg-bg);
        box-shadow: -24px 0 60px rgba(0, 0, 0, .6);
        transform: translateX(102%);
        transition: transform .28s cubic-bezier(.32, .72, 0, 1);
        visibility: hidden;
        overflow-y: auto;
        overscroll-behavior: contain;
    }

    .rkb-reg.is-filtros .rkb-reg__sidebar {
        transform: translateX(0);
        visibility: visible;
    }

    .rkb-reg__sidebar-head {
        position: sticky;
        top: 0;
        z-index: 2;
        display: flex;
        flex: 0 0 auto;
        align-items: center;
        justify-content: space-between;
        padding: 1rem 1.1rem;
        border-bottom: 1px solid var(--rkb-reg-line);
        background: var(--rkb-reg-bg);
        font-size: .95rem;
        font-weight: 800;
        letter-spacing: .02em;
    }

    .rkb-reg__cerrar {
        display: grid;
        place-items: center;
        width: 2.1rem;
        height: 2.1rem;
        border: 1px solid var(--rkb-reg-line);
        border-radius: 999px;
        background: transparent;
        color: var(--rkb-reg-text);
        font-size: .95rem;
        cursor: pointer;
    }

    .rkb-reg__sidebar > .rkb-reg__grupo { margin: 1.15rem 1.1rem 0; }
    .rkb-reg__sidebar > .rkb-reg__reset { margin: 1rem 1.1rem 1.3rem; }

    .rkb-reg__sidebar-foot {
        position: sticky;
        bottom: 0;
        z-index: 2;
        display: block;
        flex: 0 0 auto;
        margin-top: auto;
        padding: .9rem 1.1rem calc(.9rem + env(safe-area-inset-bottom, 0px));
        border-top: 1px solid var(--rkb-reg-line);
        background: var(--rkb-reg-bg);
    }

    .rkb-reg__aplicar {
        width: 100%;
        padding: .85rem 1rem;
        border: 0;
        border-radius: 999px;
        background: linear-gradient(135deg, var(--rkb-reg-yellow), #e8a51c);
        color: #14100c;
        font-family: inherit;
        font-size: .92rem;
        font-weight: 800;
        cursor: pointer;
    }

    .rkb-reg__overlay {
        position: fixed;
        top: 66px;
        right: 0;
        bottom: 0;
        left: 0;
        z-index: 999;
        background: rgba(0, 0, 0, .62);
        backdrop-filter: blur(2px);
    }

    .rkb-reg__grid {
        grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    }

    .rkb-reg__sec { scroll-margin-top: 76px; /* solo el header del sitio */ }
}

@media (max-width: 640px) {
    .rkb-reg__grid { grid-template-columns: 1fr; }

    .rkb-reg__media { aspect-ratio: 16 / 8; }

    .rkb-reg__acciones .rkb-reg__btn {
        flex: 1 1 100%;
        padding: .7rem 1rem;
    }
}

/* Bloqueo de scroll del body con el cajón abierto. */
body.rkb-reg-bloqueo { overflow: hidden; }

@media (prefers-reduced-motion: reduce) {
    .rkb-reg__card,
    .rkb-chip,
    .rkb-reg__btn,
    .rkb-reg__sidebar { transition: none; }
}