/* =============================================================================
   Galería post-viaje: antes (bloqueada) · durante (feed por días) · después (recap + fotolibro)
   ============================================================================= */

@layer components {

  .gallery-page { display: grid; gap: var(--space-6); inline-size: 100%; max-inline-size: 1180px; margin-inline: auto; padding-block: var(--space-2) var(--space-6); }

  .phase-switch .chip > span { min-block-size: 36px; }

  /* ---------------------------------------------------------------------------
     ANTES: postal bloqueada con esquina que se despega
     --------------------------------------------------------------------------- */
  .locked-postcard {
    position: relative;
    display: grid;
    justify-items: center;
    gap: var(--space-4);
    padding: var(--space-8) var(--space-5);
    border-radius: var(--radius-l);
    background-color: var(--color-surface-raised);
    background-image: var(--texture-grain);
    border: 1px solid var(--color-border);
    box-shadow: var(--shadow-postcard);
    text-align: center;
    overflow: hidden;
  }
  .locked-postcard::after {
    content: "";
    position: absolute;
    inset-block-end: 0;
    inset-inline-end: 0;
    inline-size: 64px;
    block-size: 64px;
    background: linear-gradient(135deg, var(--color-bg) 0 50%, var(--c-sand-200) 50% 100%);
    box-shadow: -4px -4px 10px rgb(0 0 0 / .1);
    border-start-start-radius: 8px;
    transition: inline-size var(--dur-slow) var(--ease-spring), block-size var(--dur-slow) var(--ease-spring);
  }
  .locked-postcard:hover::after { inline-size: 84px; block-size: 84px; }
  .locked-postcard h1 { font-size: var(--fs-2xl); max-inline-size: 18ch; }
  .locked-postcard p { color: var(--color-text-muted); max-inline-size: 42ch; }
  .locked-postcard .stamp { rotate: 6deg; }
  .lock-days { font-family: var(--font-display); font-size: var(--fs-3xl); font-weight: var(--fw-black); line-height: 1; font-variant-numeric: tabular-nums; }

  /* ---------------------------------------------------------------------------
     DURANTE: cabecera del día + filtros + mosaico
     --------------------------------------------------------------------------- */
  .day-hero {
    display: flex;
    flex-wrap: wrap;
    align-items: end;
    justify-content: space-between;
    gap: var(--space-4);
  }
  .day-hero h1 { font-size: var(--fs-2xl); }
  .day-hero__meta { color: var(--color-text-muted); }
  .day-filter { position: sticky; inset-block-start: calc(72px + env(safe-area-inset-top, 0px)); z-index: 5; padding-block: var(--space-2); background: color-mix(in srgb, var(--color-bg) 92%, transparent); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); }
  .day-filter .chip-group__options { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; padding-block: 2px; }
  .day-filter .chip-group__options::-webkit-scrollbar { display: none; }
  .day-filter .chip > span { white-space: nowrap; }

  .day-section { display: grid; gap: var(--space-3); scroll-margin-block-start: 140px; }
  .day-section__head { display: flex; flex-wrap: wrap; align-items: baseline; gap: var(--space-1) var(--space-3); }
  .day-section__head h2 { font-size: var(--fs-xl); }
  .day-section__head span { font-size: var(--fs-sm); color: var(--color-text-muted); }

  .masonry { columns: 2 150px; column-gap: var(--space-2); }
  @media (min-width: 720px)  { .masonry { columns: 3 200px; column-gap: var(--space-3); } }
  @media (min-width: 1100px) { .masonry { columns: 4 220px; } }

  .tile {
    position: relative;
    display: block;
    inline-size: 100%;
    margin: 0 0 var(--space-2);
    padding: 0;
    border: 0;
    border-radius: var(--radius-m);
    overflow: hidden;
    background: var(--color-surface-sunken);
    break-inside: avoid;
    cursor: zoom-in;
    transition: transform var(--dur-base) var(--ease-spring), box-shadow var(--dur-base);
  }
  @media (min-width: 720px) { .tile { margin-block-end: var(--space-3); } }
  .tile:hover { transform: translateY(-2px); box-shadow: var(--shadow-2); }
  .tile:focus-visible { outline: var(--focus-ring); outline-offset: 3px; }
  .tile img { display: block; inline-size: 100%; block-size: auto; }
  .tile__overlay {
    position: absolute;
    inset: auto 0 0 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-2);
    padding: var(--space-5) var(--space-2) var(--space-2);
    background: linear-gradient(transparent, rgb(13 36 54 / .65));
    color: var(--c-sand-50);
    font-size: var(--fs-xs);
    font-weight: var(--fw-bold);
  }
  .tile__overlay .avatar { --size: 24px; border: 2px solid rgb(255 255 255 / .8); }
  .tile__fav {
    position: absolute;
    inset-block-start: var(--space-2);
    inset-inline-end: var(--space-2);
    display: grid;
    place-items: center;
    inline-size: 28px;
    block-size: 28px;
    border-radius: 50%;
    background: var(--c-sun-400);
    color: var(--c-ink-900);
    font-size: 14px;
    box-shadow: var(--shadow-1);
  }
  .tile.is-new { animation: tile-in var(--dur-slow) var(--ease-spring); }
  @keyframes tile-in { from { opacity: 0; transform: scale(.9); } }
  .tile--uploading { cursor: progress; }
  .tile--uploading img { filter: saturate(.4) brightness(.8); }
  .tile__progress { position: absolute; inset: auto var(--space-2) var(--space-2); }

  /* Subida */
  .upload-tray {
    display: flex;
    align-items: center;
    gap: var(--space-3);
    padding: var(--space-3) var(--space-4);
    border-radius: var(--radius-m);
    background: var(--color-success-tint);
    font-size: var(--fs-sm);
  }
  .upload-tray .meter { flex: 1; }

  /* ---------------------------------------------------------------------------
     Visor (lightbox)
     --------------------------------------------------------------------------- */
  .lightbox {
    inline-size: 100%;
    max-inline-size: 100%;
    block-size: 100%;
    max-block-size: 100%;
    margin: 0;
    padding: 0;
    border: 0;
    background: #0A1D2C;
    color: var(--c-sand-50);
  }
  .lightbox[open] { display: grid; grid-template-rows: auto minmax(0, 1fr) auto; animation: fade-in var(--dur-base) var(--ease-out); }
  .lightbox::backdrop { background: #0A1D2C; }
  .lightbox__top, .lightbox__bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--space-3);
    padding-left: max(16px, env(safe-area-inset-left, 0px));
    padding-right: max(16px, env(safe-area-inset-right, 0px));
  }
  .lightbox__top { padding-block: calc(var(--space-3) + env(safe-area-inset-top, 0px)) var(--space-2); }
  .lightbox__bottom { flex-direction: column; align-items: stretch; padding-block: var(--space-3) calc(var(--space-4) + env(safe-area-inset-bottom, 0px)); }
  .lightbox .btn--ghost { --btn-fg: var(--c-sand-50); }
  .lightbox .btn--ghost:hover { --btn-bg: rgb(255 255 255 / .1); }
  .lightbox__who { display: flex; align-items: center; gap: var(--space-3); min-inline-size: 0; font-size: var(--fs-sm); }
  .lightbox__who b { display: block; }
  .lightbox__who span { opacity: .75; }
  .lightbox__stage { position: relative; display: grid; place-items: center; min-block-size: 0; touch-action: pan-y; }
  .lightbox__stage img { max-inline-size: 100%; max-block-size: 100%; object-fit: contain; user-select: none; -webkit-user-drag: none; }
  .lightbox__stage img.is-entering { animation: fade-in var(--dur-base) var(--ease-out); }
  .lightbox__arrow { position: absolute; inset-block-start: 50%; translate: 0 -50%; }
  .lightbox__arrow--prev { inset-inline-start: max(8px, env(safe-area-inset-left, 0px)); }
  .lightbox__arrow--next { inset-inline-end: max(8px, env(safe-area-inset-right, 0px)); }
  .lightbox__arrow.btn { --btn-bg: rgb(13 36 54 / .6); --btn-fg: var(--c-sand-50); --btn-border: transparent; }
  @media (max-width: 719px) { .lightbox__arrow { display: none; } }
  .lightbox__caption { font-family: var(--font-hand); font-size: 1.6rem; line-height: 1.1; text-align: center; min-block-size: 1.2em; }
  .reactions { display: flex; flex-wrap: wrap; justify-content: center; gap: var(--space-2); }
  .reaction {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    min-block-size: var(--tap-min);
    padding-inline: var(--space-3);
    border: 1.5px solid rgb(255 255 255 / .25);
    border-radius: var(--radius-pill);
    background: transparent;
    color: var(--c-sand-50);
    font-size: var(--fs-sm);
    font-weight: var(--fw-bold);
    font-variant-numeric: tabular-nums;
    transition: background-color var(--dur-fast), transform var(--dur-fast) var(--ease-spring);
  }
  .reaction:active { transform: scale(.92); }
  .reaction[aria-pressed="true"] { background: rgb(255 194 61 / .25); border-color: var(--c-sun-400); }
  .reaction.is-bumping { animation: pop var(--dur-slow) var(--ease-spring); }
  .reaction--fav[aria-pressed="true"] { background: var(--c-sun-400); color: var(--c-ink-900); }

  /* ---------------------------------------------------------------------------
     DESPUÉS: recap + fotolibro
     --------------------------------------------------------------------------- */
  .recap {
    position: relative;
    overflow: hidden;
    display: grid;
    gap: var(--space-5);
    padding: var(--space-6) var(--space-5);
    border-radius: var(--radius-l);
    background: var(--grad-golden);
    color: var(--c-ink-900);
  }
  .recap h1 { font-size: var(--fs-2xl); max-inline-size: 20ch; }
  .recap__stats { display: grid; grid-template-columns: repeat(auto-fit, minmax(min(100%, 130px), 1fr)); gap: var(--space-3); }
  .recap__stat { padding: var(--space-4); border-radius: var(--radius-m); background: rgb(255 248 239 / .55); }
  .recap__stat b { display: block; font-family: var(--font-display); font-size: var(--fs-2xl); line-height: 1; font-variant-numeric: tabular-nums; }
  .recap__stat span { font-size: var(--fs-sm); font-weight: var(--fw-semibold); }
  .recap .btn--secondary { --btn-border: var(--c-ink-900); --btn-fg: var(--c-ink-900); }
  .recap .btn--primary { --btn-bg: var(--c-ink-900); --btn-fg: var(--c-sand-50); box-shadow: none; }

  .awards { display: grid; gap: var(--space-4); grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr)); }
  .award { display: grid; grid-template-columns: auto minmax(0, 1fr); gap: var(--space-3); align-items: center; }
  .award__photo { inline-size: 72px; block-size: 72px; border-radius: var(--radius-s); object-fit: cover; }
  .award b { display: block; }
  .award span { font-size: var(--fs-sm); color: var(--color-text-muted); }

  /* Fotolibro */
  .book-shelf {
    display: flex;
    gap: var(--space-5);
    overflow-x: auto;
    padding: var(--space-4) var(--space-1) var(--space-5);
    scroll-snap-type: x mandatory;
    overscroll-behavior-x: contain;
  }
  .spread {
    flex: 0 0 auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    inline-size: min(560px, 86vw);
    aspect-ratio: 2 / 1;
    border-radius: 6px;
    background: #FFFBF3;
    color: var(--c-ink-900);
    box-shadow: var(--shadow-3);
    overflow: hidden;
    scroll-snap-align: center;
  }
  .spread--cover { grid-template-columns: 1fr; inline-size: min(280px, 43vw); aspect-ratio: 1; }
  .page { position: relative; padding: 6%; display: grid; grid-template-columns: minmax(0, 1fr); gap: 8px; min-inline-size: 0; min-block-size: 0; overflow: hidden; }
  .page + .page { box-shadow: inset 10px 0 14px -10px rgb(0 0 0 / .25); }
  .page img { inline-size: 100%; block-size: 100%; object-fit: cover; border-radius: 2px; min-block-size: 0; }
  .page--grid { grid-template-columns: repeat(2, minmax(0, 1fr)); grid-template-rows: repeat(2, minmax(0, 1fr)); padding-block-end: 13%; }
  .page--full { padding: 0; }
  .page--full img { position: absolute; inset: 0; border-radius: 0; }
  .page--letter { align-content: center; font-family: var(--font-hand); font-size: clamp(.8rem, .6rem + 1vw, 1.2rem); line-height: 1.25; }
  .page--letter small { font-family: var(--font-ui); font-size: .6rem; font-weight: var(--fw-bold); letter-spacing: .1em; text-transform: uppercase; color: var(--c-terracotta-700); }
  .page__label { position: absolute; inset-block-end: 4%; inset-inline: 6%; font-size: .55rem; font-weight: var(--fw-bold); letter-spacing: .12em; text-transform: uppercase; color: var(--c-ink-600); }
  .cover { position: relative; display: grid; align-content: end; padding: 10%; color: var(--c-sand-50); }
  .cover img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; }
  .cover::before { content: ""; position: absolute; inset: 0; background: linear-gradient(transparent 40%, rgb(13 36 54 / .7)); z-index: 1; }
  .cover > * { position: relative; z-index: 2; }
  .cover h3 { font-size: clamp(1.1rem, .8rem + 1.5vw, 1.8rem); }
  .cover p { font-size: .7rem; font-weight: var(--fw-bold); letter-spacing: .1em; text-transform: uppercase; opacity: .9; }

  .book-options { display: grid; gap: var(--space-4); }
  .format-list { display: grid; gap: var(--space-2); grid-template-columns: repeat(auto-fit, minmax(min(100%, 220px), 1fr)); }
  .format { position: relative; display: block; }
  .format input { position: absolute; opacity: 0; inset: 0; margin: 0; cursor: pointer; }
  .format > span {
    display: grid;
    gap: 2px;
    block-size: 100%;
    padding: var(--space-4);
    border: 1.5px solid var(--color-border-strong);
    border-radius: var(--radius-m);
    background: var(--color-surface-raised);
    transition: border-color var(--dur-fast), background-color var(--dur-fast);
  }
  .format b { font-size: var(--fs-base); }
  .format small { color: var(--color-text-muted); font-size: var(--fs-sm); }
  .format em { font-style: normal; font-weight: var(--fw-bold); font-variant-numeric: tabular-nums; color: var(--color-accent-text); }
  .format input:checked + span { border-color: var(--color-primary); background: color-mix(in srgb, var(--color-primary) 10%, var(--color-surface-raised)); box-shadow: 0 0 0 1px var(--color-primary); }
  .format input:focus-visible + span { outline: var(--focus-ring); outline-offset: 2px; }

  /* Recuerdo en video (slideshow) */
  .slideshow { inline-size: 100%; max-inline-size: 100%; block-size: 100%; max-block-size: 100%; margin: 0; padding: 0; border: 0; background: #000; color: #fff; overflow: hidden; }
  .slideshow[open] { display: grid; }
  .slideshow::backdrop { background: #000; }
  .slideshow__img { position: absolute; inset: 0; inline-size: 100%; block-size: 100%; object-fit: cover; opacity: 0; transition: opacity 900ms ease; }
  .slideshow__img.is-on { opacity: 1; animation: kenburns 4.2s ease-out forwards; }
  @keyframes kenburns { from { transform: scale(1.12) translate(2%, 1%); } to { transform: scale(1) translate(0, 0); } }
  .slideshow__text {
    position: absolute;
    inset: auto 0 0 0;
    z-index: 2;
    padding: var(--space-8) max(16px, env(safe-area-inset-left, 0px)) calc(var(--space-7) + env(safe-area-inset-bottom, 0px));
    background: linear-gradient(transparent, rgb(0 0 0 / .7));
    text-align: center;
  }
  .slideshow__text p { font-size: var(--fs-sm); font-weight: var(--fw-bold); letter-spacing: .12em; text-transform: uppercase; opacity: .85; }
  .slideshow__text h2 { font-size: var(--fs-2xl); color: #fff; }
  .slideshow__close { position: absolute; z-index: 3; inset-block-start: calc(var(--space-3) + env(safe-area-inset-top, 0px)); inset-inline-end: max(12px, env(safe-area-inset-right, 0px)); --btn-fg: #fff; }
}

@media (prefers-reduced-motion: reduce) {
  .slideshow__img.is-on { animation: none; }
}

/* Los botones de subir son <label> con un input oculto: el foco del input se ve en el label */
.tabbar__fab:focus-within,
label.btn:focus-within { outline: var(--focus-ring); outline-offset: 3px; }