/**
 * Página de una noche: portada, mosaico de fotos y visor.
 *
 * El mosaico usa `columns` en vez de una rejilla de cuadrados. En una
 * noche de club hay fotos verticales y horizontales mezcladas, y recortarlas
 * todas a cuadrado corta caras. Con columnas cada foto conserva su propia
 * proporción.
 */

/* ═══════════════════════════════════════
   PORTADA DE LA NOCHE
═══════════════════════════════════════ */

.dvg-hero {
    position: relative;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    min-height: min(78svh, 44rem);
    padding: calc(var(--dvx-cabecera) + 4rem) var(--dvx-gutter) clamp(2.5rem, 5vw, 4rem);
    overflow: hidden;
    background: var(--dvx-bg-2);
}

.dvg-hero__bg {
    position: absolute;
    inset: 0;
    z-index: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    filter: brightness(.46) saturate(.85);
}

.dvg-hero__gradient {
    position: absolute;
    inset: 0;
    z-index: 1;
    background:
        linear-gradient(to top, rgba(7, 10, 16, .97) 0%, rgba(7, 10, 16, .5) 50%, rgba(7, 10, 16, .25) 100%),
        linear-gradient(to right, rgba(7, 10, 16, .7) 0%, transparent 60%);
}

.dvg-hero__content {
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: var(--dvx-max);
    margin-inline: auto;
}

/* Volver al listado. La flecha se dibuja con CSS: no hay librería de
   iconos en el tema y no vale la pena añadir una por dos glifos. */
.dvg-hero__back {
    display: inline-flex;
    align-items: center;
    gap: .75rem;
    margin-bottom: 1.5rem;
    font-size: var(--dvx-t-label);
    font-variation-settings: "wdth" var(--dvx-media), "wght" 550;
    letter-spacing: .06em;
    color: var(--dvx-ink-3);
    transition: color var(--dvx-rapido) ease;
}

.dvg-hero__back-icon {
    position: relative;
    width: 1.25rem;
    height: 1px;
    background: currentColor;
    transition: transform var(--dvx-medio) var(--dvx-out);
}

.dvg-hero__back-icon::before {
    content: "";
    position: absolute;
    top: 50%;
    left: 0;
    width: .4375rem;
    height: .4375rem;
    border-left: 1px solid currentColor;
    border-bottom: 1px solid currentColor;
    transform: translateY(-50%) rotate(45deg);
    transform-origin: center;
}

@media (hover: hover) and (pointer: fine) {
    .dvg-hero__back:hover { color: var(--dvx-ink); }
    .dvg-hero__back:hover .dvg-hero__back-icon { transform: translateX(-.25rem); }
}

.dvg-hero__titulo {
    margin: 0;
    font-size: var(--dvx-t-h1);
    font-variation-settings: "wdth" var(--dvx-ancha), "wght" 740;
    font-weight: 740;
    letter-spacing: -.015em;
    line-height: .96;
    text-transform: uppercase;
    text-wrap: balance;
    color: var(--dvx-ink);
}

.dvg-hero__meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: .5rem 1.25rem;
    margin: 1.25rem 0 0;
    font-size: var(--dvx-t-body);
    color: var(--dvx-ink-2);
}

.dvg-hero__fecha { text-transform: capitalize; }

.dvg-hero__sub,
.dvg-hero__counter {
    padding-left: 1.25rem;
    border-left: 1px solid var(--dvx-linea-2);
    color: var(--dvx-ink-3);
}

/* ═══════════════════════════════════════
   MOSAICO
═══════════════════════════════════════ */

.dvg-section {
    padding: clamp(2.5rem, 5vw, 4.5rem) var(--dvx-gutter) var(--dvx-seccion);
    max-width: var(--dvx-max);
    margin-inline: auto;
}

.dvg-fotos {
    columns: 3;
    column-gap: 2px;
}

@media (max-width: 900px) { .dvg-fotos { columns: 2; } }
@media (max-width: 560px) { .dvg-fotos { columns: 1; } }

.dvg-foto {
    display: block;
    width: 100%;
    margin: 0 0 2px;
    padding: 0;
    border: 0;
    background: var(--dvx-bg-3);
    cursor: zoom-in;
    break-inside: avoid;
    overflow: hidden;
    -webkit-appearance: none;
    appearance: none;
}

.dvg-foto img {
    width: 100%;
    height: auto;
    transition: transform var(--dvx-lento) var(--dvx-out), opacity var(--dvx-medio) ease;
}

@media (hover: hover) and (pointer: fine) {
    .dvg-foto:hover img { transform: scale(1.03); opacity: .9; }
}

.dvg-foto:active img { transform: scale(.99); }

.dvg-foto:focus-visible {
    outline: 2px solid var(--dvx-ink);
    outline-offset: 2px;
}

/* ═══════════════════════════════════════
   VISOR

   <dialog> nativo: el foco queda atrapado dentro y Escape cierra sin que
   haya que programarlo. Antes era un div con role="dialog" y el tabulador
   se escapaba a la página de detrás.
═══════════════════════════════════════ */

.dvg-lb {
    display: grid;
    grid-template-columns: auto 1fr auto;
    align-items: center;
    gap: clamp(.5rem, 2vw, 1.5rem);
    width: 100vw;
    max-width: 100vw;
    height: 100dvh;
    max-height: 100dvh;
    padding: clamp(3.5rem, 7vw, 5rem) clamp(.75rem, 3vw, 2.5rem) clamp(4.5rem, 8vw, 5.5rem);
    border: 0;
    background: rgba(7, 10, 16, .96);
    overflow: hidden;
}

.dvg-lb:not([open]) { display: none; }

.dvg-lb::backdrop {
    background: rgba(7, 10, 16, .92);
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
}

.dvg-lb__img {
    grid-column: 2;
    justify-self: center;
    max-width: 100%;
    max-height: 100%;
    width: auto;
    height: auto;
    object-fit: contain;
    /* Nunca desde scale(0): nada en el mundo real aparece de la nada. */
    animation: dvg-entrar var(--dvx-medio) var(--dvx-out);
}

@keyframes dvg-entrar {
    from { opacity: 0; transform: scale(.97); }
    to   { opacity: 1; transform: none; }
}

.dvg-lb--sin-movimiento .dvg-lb__img { animation: none; }

/* ── Botones del visor ───────────────────── */

.dvg-lb__btn {
    display: grid;
    place-items: center;
    width: 48px;
    height: 48px;
    padding: 0;
    border: 1px solid var(--dvx-linea-2);
    border-radius: var(--dvx-r-control);
    background: rgba(18, 24, 38, .7);
    color: var(--dvx-ink);
    cursor: pointer;
    transition:
        background var(--dvx-rapido) ease,
        border-color var(--dvx-rapido) ease,
        transform var(--dvx-rapido) var(--dvx-out);
}

@media (hover: hover) and (pointer: fine) {
    .dvg-lb__btn:hover {
        background: rgba(26, 34, 51, .92);
        border-color: var(--dvx-linea-3);
    }
}

.dvg-lb__btn:active { transform: scale(.94); }

/* Chevrones y aspa dibujados con bordes girados. */
.dvg-lb__prev::before,
.dvg-lb__next::before {
    content: "";
    width: .5625rem;
    height: .5625rem;
    border-top: 1.5px solid currentColor;
    border-right: 1.5px solid currentColor;
}

.dvg-lb__prev::before { transform: rotate(-135deg); margin-left: -.1875rem; }
.dvg-lb__next::before { transform: rotate(45deg); margin-right: -.1875rem; }

.dvg-lb__prev { grid-column: 1; }
.dvg-lb__next { grid-column: 3; }

.dvg-lb__close {
    position: absolute;
    top: clamp(.75rem, 2vw, 1.5rem);
    right: clamp(.75rem, 3vw, 2.5rem);
}

.dvg-lb__close::before,
.dvg-lb__close::after {
    content: "";
    position: absolute;
    width: 1rem;
    height: 1.5px;
    background: currentColor;
}

.dvg-lb__close::before { transform: rotate(45deg); }
.dvg-lb__close::after  { transform: rotate(-45deg); }

/* ── Barra inferior ──────────────────────── */

.dvg-lb__barra {
    position: absolute;
    inset: auto clamp(.75rem, 3vw, 2.5rem) clamp(1rem, 2.5vw, 1.75rem);
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
}

.dvg-lb__counter {
    font-size: var(--dvx-t-label);
    font-variation-settings: "wdth" var(--dvx-media), "wght" 550;
    letter-spacing: .08em;
    font-variant-numeric: tabular-nums;
    color: var(--dvx-ink-3);
}

.dvg-lb__descargar {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    padding: .625rem 1.375rem;
    border: 1px solid var(--dvx-linea-2);
    border-radius: var(--dvx-r-control);
    font-size: var(--dvx-t-label);
    font-variation-settings: "wdth" var(--dvx-media), "wght" 600;
    letter-spacing: .07em;
    text-transform: uppercase;
    text-decoration: none;
    color: var(--dvx-ink);
    transition:
        background var(--dvx-rapido) ease,
        border-color var(--dvx-rapido) ease,
        transform var(--dvx-rapido) var(--dvx-out);
}

@media (hover: hover) and (pointer: fine) {
    .dvg-lb__descargar:hover {
        background: rgba(194, 204, 218, .08);
        border-color: var(--dvx-linea-3);
    }
}

.dvg-lb__descargar:active { transform: scale(.97); }

/* En móvil los chevrones estorban: se navega deslizando. */
@media (max-width: 560px) {
    .dvg-lb {
        grid-template-columns: 1fr;
        padding-inline: .5rem;
    }

    .dvg-lb__img { grid-column: 1; }
    .dvg-lb__prev,
    .dvg-lb__next { display: none; }
}

@media (prefers-reduced-motion: reduce) {
    .dvg-lb__img { animation: none; }
    .dvg-foto img { transition: none; }
    .dvg-foto:hover img { transform: none; }
}