/* ============================================================
   FOTOS DEL EVENTO — misma estética clara del resto del sitio,
   con la barra superior y la grilla tipo mosaico (masonry) del
   Figma Make (componente EventGallery), en vez de la grilla
   cuadriculada uniforme de antes.
   ============================================================ */

:root {
  --e-bg: #ffffff;
  --e-text: #0a1626;
  --e-text-muted: #3f5b78;
  --e-accent: #00529c;
  --e-accent-dark: #00376b;
  --e-accent-soft: rgba(0, 82, 156, 0.14);
  --e-border: rgba(0, 82, 156, 0.15);

  --font-serif: 'Playfair Display', Georgia, serif;
  --font-accent: 'Playfair Display', Georgia, serif;
  --font-body: 'DM Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  min-height: 100%;
  background: var(--e-bg);
  color: var(--e-text);
  font-family: var(--font-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a { color: inherit; }
:focus-visible { outline: 2px solid var(--e-accent); outline-offset: 3px; }

::selection { background: var(--e-accent); color: var(--e-bg); }

/* ============================================================
   BARRA SUPERIOR — fija, con botón de volver + separador + título
   y contador. Igual que el header del EventGallery del Figma.
   ============================================================ */

.evento-topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  gap: 1rem;
  height: 4rem;
  padding: 0 1.5rem;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--e-border);
}

.evento-topbar__back {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.5rem 0.75rem;
  border-radius: 12px;
  color: var(--e-text);
  text-decoration: none;
  font-size: 0.85rem;
  font-weight: 600;
  transition: background 200ms ease;
}

.evento-topbar__back:hover,
.evento-topbar__back:focus-visible { background: var(--e-accent-soft); }

.evento-topbar__divider {
  width: 1px;
  height: 1.25rem;
  background: var(--e-border);
  flex-shrink: 0;
}

.evento-topbar__info { min-width: 0; }

.evento-topbar__title {
  font-family: var(--font-serif);
  font-weight: 700;
  font-size: 1rem;
  margin: 0;
  line-height: 1.2;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.evento-topbar__count {
  font-size: 0.78rem;
  color: var(--e-text-muted);
  margin: 0.1rem 0 0;
}

.evento-page {
  max-width: 1400px;
  margin: 0 auto;
  padding: 2rem 1.25rem 4rem;
}

.evento-page__loading {
  text-align: center;
  color: var(--e-text-muted);
  padding-top: 4rem;
}

.evento-page__loading a { color: var(--e-accent-dark); text-decoration: underline; }

/* ============================================================
   GRILLA TIPO MOSAICO — columnas CSS (no grid), cada foto guarda
   su relación de aspecto real en vez de recortarse a un cuadrado.
   ============================================================ */

.evento-page__grid {
  columns: 2;
  column-gap: 0.75rem;
}

@media (min-width: 560px)  { .evento-page__grid { columns: 3; } }
@media (min-width: 900px)  { .evento-page__grid { columns: 4; } }
@media (min-width: 1200px) { .evento-page__grid { columns: 5; } }

.evento-page__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  break-inside: avoid;
  margin-bottom: 0.75rem;
  border-radius: 14px;
  overflow: hidden;
  border: 1px solid var(--e-border);
  background: var(--e-accent-soft);
  cursor: zoom-in;
}

.evento-page__placeholder {
  width: 32%;
  padding: 40% 0;
  color: var(--e-accent-dark);
  opacity: 0.5;
}

.evento-page__placeholder svg { width: 100%; height: 100%; display: block; }

.evento-page__item img {
  display: block;
  width: 100%;
  height: auto;
  transition: transform 400ms ease;
}

.evento-page__item::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 22, 38, 0);
  transition: background 300ms ease;
  pointer-events: none;
}

.evento-page__item:hover::after,
.evento-page__item:focus-visible::after { background: rgba(10, 22, 38, 0.18); }

.evento-page__item:hover img,
.evento-page__item:focus-visible img { transform: scale(1.05); }

.evento-page__more {
  text-align: center;
  padding: 3rem 0;
}

.evento-page__more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.9rem 1.75rem;
  border-radius: 999px;
  border: 1px solid rgba(0, 82, 156, 0.3);
  background: none;
  color: var(--e-accent);
  font-family: inherit;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 200ms ease, color 200ms ease;
}

.evento-page__more-btn:hover,
.evento-page__more-btn:focus-visible {
  background: var(--e-accent);
  color: #fff;
}

.evento-page__more-count { opacity: 0.65; font-weight: 400; }

.evento-page__end {
  text-align: center;
  padding: 3rem 0;
  color: var(--e-text-muted);
  font-size: 0.85rem;
}

@media (prefers-reduced-motion: reduce) {
  * { transition-duration: 0.01ms !important; }
}