/* ==========================================================================
   Galería pública de recetas (Academia · Laboratorio)
   Prefijo `rx-` para no chocar con el laboratorio ni con mi-cuenta.
   ========================================================================== */

.rx {
    --rx-ink: #16242b;
    --rx-ink-soft: #4a5c66;
    --rx-ink-faint: #7d8d96;
    --rx-surface: #ffffff;
    --rx-canvas: #f4f6f7;
    --rx-sunken: #fafbfb;
    --rx-line: #dfe5e8;
    --rx-line-strong: #c6d0d5;
    --rx-accent: var(--color-accent, #1d4251);
    --rx-primary: var(--color-primary, #7fa9bc);
    --rx-radius: 10px;
    --rx-radius-sm: 6px;
    display: block;
    background: transparent;
    color: var(--rx-ink);
}

/* Misma marca de agua que inicio, colección y acceso. */
.rx::before {
    content: '';
    position: fixed;
    inset: 0;
    z-index: 0;
    pointer-events: none;
    background-image: url('../images/logo/logo274.png');
    background-repeat: no-repeat;
    background-position: center;
    background-size: min(92vw, 88vh);
    opacity: 0.18;
    mix-blend-mode: multiply;
}

body:has(.rx)::after {
    opacity: 0;
}

.rx > * {
    position: relative;
    z-index: 1;
}

.rx a:focus-visible,
.rx button:focus-visible,
.rx input:focus-visible {
    outline: 2px solid var(--rx-accent);
    outline-offset: 2px;
}

.rx .visually-hidden {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

.rx-hero {
    background: linear-gradient(135deg, var(--rx-accent) 0%, #0f2631 100%);
    color: #fff;
    padding: 4.5rem 1.5rem 4rem;
    text-align: center;
}

.rx-hero__inner {
    max-width: 46rem;
    margin: 0 auto;
}

.rx-hero__eyebrow {
    margin: 0 0 0.75rem;
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.18em;
    text-transform: uppercase;
    color: var(--rx-primary);
}

.rx-hero__title {
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: clamp(2.25rem, 5vw, 3.25rem);
    font-weight: 600;
    line-height: 1.1;
    margin: 0 0 0.75rem;
    color: #fff;
}

.rx-hero__subtitle {
    margin: 0 auto;
    max-width: 38rem;
    font-size: 1.05rem;
    line-height: 1.55;
    color: rgba(255, 255, 255, 0.82);
}

.rx-hero__actions {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    margin-top: 1.6rem;
}

.rx-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.65rem 1.15rem;
    border: 1px solid transparent;
    border-radius: var(--rx-radius-sm);
    font-family: inherit;
    font-size: 0.92rem;
    font-weight: 500;
    text-decoration: none;
    cursor: pointer;
    transition: background-color 0.2s ease, border-color 0.2s ease, color 0.2s ease;
}

.rx-btn--ghost {
    background: transparent;
    border-color: rgba(255, 255, 255, 0.4);
    color: #fff;
}

.rx-btn--ghost:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: #fff;
    color: #fff;
}

.rx-btn--solid {
    background: var(--rx-surface);
    color: var(--rx-accent);
}

.rx-btn--solid:hover {
    background: #e7eef1;
    color: var(--rx-accent);
}

.rx-btn--primary {
    background: var(--rx-accent);
    border-color: var(--rx-accent);
    color: #fff;
}

.rx-btn--primary:hover {
    background: #0f2631;
}

.rx-btn--line {
    background: var(--rx-surface);
    border-color: var(--rx-line-strong);
    color: var(--rx-ink-soft);
}

.rx-btn--line:hover {
    border-color: var(--rx-accent);
    color: var(--rx-accent);
}

.rx-shell {
    max-width: 1180px;
    margin: 0 auto;
    padding: 2.25rem 1.5rem 4.5rem;
}

.rx-toolbar {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    margin-bottom: 1.75rem;
}

.rx-search {
    display: flex;
    flex: 1 1 16rem;
    max-width: 28rem;
    gap: 0.5rem;
}

.rx-search input[type="search"] {
    flex: 1;
    min-width: 0;
    padding: 0.7rem 0.95rem;
    border: 1px solid var(--rx-line-strong);
    border-radius: var(--rx-radius-sm);
    background: var(--rx-surface);
    color: var(--rx-ink);
    font: inherit;
}

.rx-count {
    margin: 0;
    font-size: 0.9rem;
    color: var(--rx-ink-soft);
}

.rx-empty {
    padding: 3rem 1.5rem;
    text-align: center;
    background: var(--rx-surface);
    border: 1px dashed var(--rx-line-strong);
    border-radius: var(--rx-radius);
}

.rx-empty h2 {
    margin: 0 0 0.5rem;
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: 1.6rem;
}

.rx-empty p {
    margin: 0 0 1.25rem;
    color: var(--rx-ink-soft);
}

.rx-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 1.25rem;
}

.rx-card {
    display: flex;
    flex-direction: column;
    background: var(--rx-surface);
    border: 1px solid var(--rx-line);
    border-radius: var(--rx-radius);
    overflow: hidden;
    text-decoration: none;
    color: inherit;
    box-shadow: 0 1px 2px rgba(22, 36, 43, 0.04);
    transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

a.rx-card:hover {
    transform: translateY(-3px);
    border-color: var(--rx-primary);
    box-shadow: 0 10px 24px rgba(22, 36, 43, 0.08);
}

.rx-card__media {
    height: 180px;
    background: #e7eef1;
    overflow: hidden;
}

.rx-card__media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.35s ease;
}

a.rx-card:hover .rx-card__media img {
    transform: scale(1.04);
}

.rx-card__media {
    position: relative;
}

.rx-card__media img.rx-slide {
    position: absolute;
    inset: 0;
    opacity: 0;
    transition: opacity 0.9s ease, transform 0.35s ease;
}

.rx-card__media img.rx-slide.is-on {
    opacity: 1;
}

@media (prefers-reduced-motion: reduce) {
    .rx-card__media img.rx-slide {
        transition: none;
    }
}

.rx-card__placeholder {
    display: grid;
    place-items: center;
    height: 100%;
    color: var(--rx-primary);
    font-size: 2rem;
}

.rx-card__body {
    display: flex;
    flex-direction: column;
    gap: 0.7rem;
    flex: 1;
    padding: 1.1rem 1.15rem 1.25rem;
}

.rx-card__title {
    margin: 0;
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: 1.35rem;
    font-weight: 600;
    line-height: 1.25;
    color: var(--rx-ink);
    overflow-wrap: anywhere;
}

.rx-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.4rem;
}

.rx-chip {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.2rem 0.65rem;
    border-radius: 999px;
    background: #e7eef1;
    color: var(--rx-accent);
    font-size: 0.75rem;
    font-weight: 500;
}

/* Me gusta */
.rx-card__media {
    position: relative;
}

.rx-like {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    padding: 0.3rem 0.7rem;
    border: 1px solid rgba(22, 36, 43, 0.14);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.95);
    color: var(--rx-ink-soft);
    font: inherit;
    font-size: 0.8rem;
    font-weight: 600;
    line-height: 1;
    cursor: pointer;
    transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.rx-like svg {
    fill: transparent;
    stroke: currentColor;
    stroke-width: 1.8;
    stroke-linejoin: round;
    transition: fill 0.2s ease;
}

.rx-like:hover {
    color: #c4493f;
    border-color: rgba(196, 73, 63, 0.4);
}

.rx-like--card {
    position: absolute;
    top: 10px;
    right: 10px;
    z-index: 3;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
}

.rx-like--page {
    align-self: center;
    padding: 0.4rem 0.85rem;
}

/* Con me gusta: degradado que fluye, corazón latiendo y destello */
.rx-like.is-liked {
    position: relative;
    overflow: hidden;
    color: #fff;
    border-color: transparent;
    background: linear-gradient(110deg, #c4493f, #e8836a, #f2b35e, #e8836a, #c4493f);
    background-size: 250% 100%;
    box-shadow: 0 2px 10px rgba(196, 73, 63, 0.35);
    animation: rx-like-flow 4s linear infinite;
}

.rx-like.is-liked svg {
    fill: currentColor;
    animation: rx-like-beat 1.3s ease-in-out infinite;
    transform-origin: center;
}

.rx-like.is-liked::after {
    content: "";
    position: absolute;
    top: 0;
    bottom: 0;
    left: -60%;
    width: 40%;
    background: linear-gradient(100deg, transparent, rgba(255, 255, 255, 0.65), transparent);
    transform: skewX(-20deg);
    animation: rx-like-shine 3.2s ease-in-out infinite;
    pointer-events: none;
}

/* Al pulsar: el botón rebota y el corazón hace un pop */
.rx-like.is-pop {
    animation: rx-like-bounce 0.5s cubic-bezier(0.3, 1.6, 0.5, 1), rx-like-flow 4s linear infinite;
}

.rx-like.is-pop svg {
    animation: rx-like-pop 0.5s cubic-bezier(0.3, 1.6, 0.5, 1);
}

@keyframes rx-like-flow {
    to { background-position: -250% 0; }
}

@keyframes rx-like-bounce {
    0% { transform: scale(0.85); }
    60% { transform: scale(1.12); }
    100% { transform: scale(1); }
}

@keyframes rx-like-pop {
    0% { transform: scale(1); }
    40% { transform: scale(1.6) rotate(-10deg); }
    100% { transform: scale(1); }
}

@keyframes rx-like-beat {
    0%, 100% { transform: scale(1); }
    15% { transform: scale(1.3); }
    30% { transform: scale(1); }
    45% { transform: scale(1.18); }
}

@keyframes rx-like-shine {
    0%, 55% { left: -60%; }
    100% { left: 130%; }
}

@media (prefers-reduced-motion: reduce) {
    .rx-like.is-liked,
    .rx-like.is-liked svg,
    .rx-like.is-liked::after,
    .rx-like.is-pop,
    .rx-like.is-pop svg {
        animation: none;
    }
}

/* Chip «Con más me gusta»: estático */
.rx-chip--top {
    background: #f7dcd7;
    color: #a3352c;
    font-weight: 600;
}

.rx-chip__avatar {
    width: 1.15rem;
    height: 1.15rem;
    border-radius: 50%;
    flex-shrink: 0;
    background: #fff;
}

.rx-chip__avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.rx-card__excerpt {
    margin: 0;
    font-size: 0.9rem;
    line-height: 1.55;
    color: var(--rx-ink-soft);
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.rx-colorants {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.rx-colorant {
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
    padding: 0.15rem 0.55rem;
    border-radius: 999px;
    font-size: 0.72rem;
    font-weight: 600;
}

.rx-pane--spaced {
    margin-top: 1.25rem;
}

.rx-colorant.ox-chip--coo { background-color: #4B4BFF; color: #fff; }
.rx-colorant.ox-chip--cuo { background-color: #4CAF50; color: #fff; }
.rx-colorant.ox-chip--cu2o { background-color: #9B2418; color: #fff; }
.rx-colorant.ox-chip--cr2o3 { background-color: #2E7D32; color: #fff; }
.rx-colorant.ox-chip--fe2o3 { background-color: #B71C1C; color: #fff; }
.rx-colorant.ox-chip--feo { background-color: #4A4538; color: #fff; }
.rx-colorant.ox-chip--mno { background-color: #6B3A38; color: #fff; }
.rx-colorant.ox-chip--mno2 { background-color: #6A1B9A; color: #fff; }
.rx-colorant.ox-chip--mn2o3 { background-color: #6B4A2E; color: #fff; }
.rx-colorant.ox-chip--nio { background-color: #616161; color: #fff; }
.rx-colorant.ox-chip--v2o5 { background-color: #E65100; color: #fff; }
.rx-colorant.ox-chip--tio2,
.rx-colorant.ox-chip--sno2,
.rx-colorant.ox-chip--zro2 { background-color: #F5F5F5; color: #101010; }
.rx-colorant.ox-chip--ceo2 { background-color: #FBC02D; color: #101010; }
.rx-colorant.ox-chip--pr6o11 { background-color: #00BCD4; color: #fff; }
.rx-colorant.ox-chip--sb2o3 { background-color: #E8DCC0; color: #101010; }
.rx-colorant.ox-chip--bi2o3 { background-color: #E6D8B8; color: #101010; }
.rx-colorant.ox-chip--cdo { background-color: #D45A18; color: #fff; }
.rx-colorant.ox-chip--seo2 { background-color: #B42828; color: #fff; }
.rx-colorant.ox-chip--wo3 { background-color: #DDD6B8; color: #101010; }
.rx-colorant.ox-chip--moo3 { background-color: #D8CFA0; color: #101010; }
.rx-colorant.ox-chip--ag2o { background-color: #B8B4A8; color: #101010; }
.rx-colorant.ox-chip--default { background-color: #808080; color: #fff; }

.rx-pager {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 0.75rem;
    margin-top: 2rem;
}

.rx-pager__links {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
}

.rx-pager a,
.rx-pager span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 2.1rem;
    padding: 0.4rem 0.65rem;
    border-radius: var(--rx-radius-sm);
    border: 1px solid var(--rx-line);
    background: var(--rx-surface);
    color: var(--rx-ink);
    text-decoration: none;
    font-size: 0.88rem;
}

.rx-pager a:hover {
    border-color: var(--rx-accent);
    color: var(--rx-accent);
}

.rx-pager .is-current {
    background: var(--rx-accent);
    border-color: var(--rx-accent);
    color: #fff;
}

.rx-pager .is-disabled,
.rx-pager .is-ellipsis {
    color: var(--rx-ink-faint);
    background: transparent;
}

.rx-back {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    margin-bottom: 1rem;
    color: var(--rx-ink-soft);
    text-decoration: none;
    font-size: 0.9rem;
}

.rx-back:hover {
    color: var(--rx-accent);
}

.rx-detail__title {
    margin: 0 0 0.75rem;
    font-family: var(--font-secondary, 'Cormorant Garamond', serif);
    font-size: clamp(1.8rem, 4vw, 2.4rem);
    font-weight: 600;
}

.rx-detail__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 1.25rem;
    margin-top: 1.5rem;
}

.rx-pane {
    padding: 1.25rem;
    background: var(--rx-surface);
    border: 1px solid var(--rx-line);
    border-radius: var(--rx-radius);
}

.rx-pane__title {
    display: flex;
    align-items: center;
    gap: 0.55rem;
    margin: 0 0 1rem;
    padding-bottom: 0.75rem;
    border-bottom: 1px solid var(--rx-line);
    font-size: 1.02rem;
}

.rx-gallery__main {
    overflow: hidden;
    border-radius: var(--rx-radius-sm);
    background: #e7eef1;
    aspect-ratio: 4 / 3;
}

.rx-gallery__main img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: opacity 0.3s ease;
}

.rx-gallery__main img.is-fading {
    opacity: 0;
}

.rx-gallery__thumbs {
    display: flex;
    flex-wrap: wrap;
    gap: 0.45rem;
    margin-top: 0.7rem;
}

.rx-gallery__thumbs button {
    width: 64px;
    height: 64px;
    padding: 0;
    border: 2px solid transparent;
    border-radius: var(--rx-radius-sm);
    overflow: hidden;
    background: none;
    cursor: pointer;
}

.rx-gallery__thumbs button.is-active,
.rx-gallery__thumbs button:hover {
    border-color: var(--rx-accent);
}

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

.rx-comp {
    border: 1px solid var(--rx-line);
    border-radius: var(--rx-radius-sm);
    overflow: hidden;
}

.rx-comp__row {
    display: flex;
    justify-content: space-between;
    gap: 1rem;
    padding: 0.55rem 0.75rem;
    font-size: 0.92rem;
    border-top: 1px solid var(--rx-line);
}

.rx-comp__row:first-child {
    border-top: none;
}

.rx-comp__row--empty,
.rx-muted {
    color: var(--rx-ink-faint);
}

.rx-prose {
    margin: 0;
    font-size: 0.95rem;
    line-height: 1.65;
    color: var(--rx-ink-soft);
    white-space: pre-wrap;
}

.rx-detail__foot {
    display: flex;
    flex-wrap: wrap;
    gap: 0.65rem;
    margin-top: 1.5rem;
}

@media (max-width: 800px) {
    .rx-detail__grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 640px) {
    .rx-hero {
        padding: 3rem 1.25rem 2.75rem;
    }

    .rx-shell {
        padding: 1.75rem 1rem 3rem;
    }

    .rx-card__media {
        height: 200px;
    }
}

/* Nombre por moles (fórmula unitaria) bajo el título de la receta */
.rx-umf {
    margin: 0 0 0.5rem;
    font-size: 0.85rem;
    font-variant-numeric: tabular-nums;
    opacity: 0.75;
    overflow-wrap: anywhere;
}

/* Nombre por moles en tres columnas: fundentes | alúmina y boro | sílice */
.rx-umf {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.25rem 0.75rem;
    max-width: 22rem;
}

.rx-umf .umf-col {
    display: flex;
    flex-direction: column;
}