/* ============================================================
   v2 — navegação do header, álbum de fotos e visualizador.
   Identidade MC15 (vinho/dourado, tokens de design-system/tokens.css).
   ============================================================ */

/* ---------- Header discreto (fixo no topo) ---------- */
.v2-nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 50;
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-4);
  padding: 11px clamp(22px, 4vw, 44px);
  background: linear-gradient(rgba(74, 6, 11, .94), rgba(74, 6, 11, .78));
  -webkit-backdrop-filter: blur(6px); backdrop-filter: blur(6px);
  border-bottom: 1px solid rgba(211, 175, 55, .22);
}
.v2-nav a { text-decoration: none; font-family: var(--font-sans); }
/* Home bem discreto: miudinho, só para voltar ao convite.
   gold-300 sem opacidade: continua apagado (mais discreto que os links,
   gold-200) mas passa em contraste AA — gold-500 com .85 ficava em 2.8:1. */
.v2-nav-home {
  font-size: 10px; font-weight: 300; letter-spacing: .3em; text-transform: uppercase;
  color: var(--gold-300); opacity: 1; transition: color var(--dur-s), opacity var(--dur-s);
}
.v2-nav-home:hover { color: var(--gold-100); opacity: 1; }
.v2-nav-links { display: flex; align-items: center; gap: clamp(12px, 3vw, 28px); }
.v2-nav-link {
  font-size: 11px; font-weight: 400; letter-spacing: .2em; text-transform: uppercase;
  color: var(--gold-200); padding: 3px 1px;
  border-bottom: 1px solid transparent;
  transition: color var(--dur-s), border-color var(--dur-s);
}
.v2-nav-link:hover, .v2-nav-link[aria-current="page"] { color: var(--gold-100); border-bottom-color: var(--hairline); }
.v2-nav a:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 3px; }
@media (max-width: 520px) {
  .v2-nav { padding: 10px 16px; }
  .v2-nav-home { font-size: 9px; letter-spacing: .2em; }
  .v2-nav-link { font-size: 10px; letter-spacing: .12em; }
  .v2-nav-links { gap: 14px; }
}

/* Páginas internas (álbum): respiro para a barra fixa.
   O index não usa isto — a nav flutua sobre o hero. */
body.v2-page { padding-top: 58px; }
/* Cor base do texto (o #app tem .sa-root, mas garantimos aqui também —
   sem isto o texto herdaria preto do navegador) */
body.v2-page { color: var(--gold-200); }

/* Título foil (gradiente recortado no texto): o visual continua igual — o
   gradiente é pintado por -webkit-text-fill-color: transparent — mas a cor
   computada vira gold-200 sólido, o que permite a auditoria (axe/Lighthouse)
   medir o contraste em vez de ver "transparent" e reprovar. */
.sa-foil { color: var(--gold-200); -webkit-text-fill-color: transparent; }
/* Label do seletor de arquivos: sobre a superfície elevada (#4b060b) o
   gold-400 não passa em AA — gold-300 dá 5.5:1. */
.album-upload .wall-file span { color: var(--gold-300); }

/* Botões próprios da v2 (âncora ou <button>) */
.v2-btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 11px 20px; font-family: var(--font-sans); font-size: 11px;
  letter-spacing: .18em; text-transform: uppercase; text-decoration: none;
  color: var(--gold-200); background: transparent;
  border: 1px solid var(--hairline); border-radius: var(--radius-sm);
  cursor: pointer; transition: background var(--dur-s), color var(--dur-s), border-color var(--dur-s);
}
.v2-btn:hover { border-color: var(--gold-100); color: var(--gold-100); background: var(--surface-hover); }
.v2-btn:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 3px; }
/* Desabilitado legível (AA): dourado profundo + borda apagada em vez de
   opacidade — opacidade derrubava o contraste para 2.1:1. */
.v2-btn:disabled {
  opacity: 1; color: var(--gold-400); border-color: rgba(211, 175, 55, .3);
  cursor: default; pointer-events: none;
}
.v2-btn--primary { background: var(--gold-200); border-color: var(--gold-200); color: var(--on-gold); font-weight: 600; }
.v2-btn--primary:hover { background: var(--gold-100); border-color: var(--gold-100); color: var(--on-gold); }
.v2-btn--ghost { border-color: transparent; color: var(--gold-300); }
.v2-btn--ghost:hover { color: var(--gold-100); background: var(--surface-hover); }

/* Toast de confirmação */
.v2-toast {
  position: fixed; left: 50%; bottom: 30px; transform: translateX(-50%);
  z-index: 90; max-width: min(88vw, 480px); text-align: center;
  padding: 13px 22px; background: var(--surface-raised);
  border: var(--border-hairline) solid var(--gold-200);
  color: var(--gold-100); box-shadow: var(--glow-gold);
  font-family: var(--font-sans); font-size: 13px; letter-spacing: .04em;
  animation: rise var(--dur-l) var(--ease-out) backwards;
}
.v2-toast.is-error { border-color: var(--danger); color: var(--danger); }

/* ============================================================
   Álbum de fotos
   ============================================================ */
.album-wrap { max-width: 1180px; margin: 0 auto; }

/* Envio público — visual igual ao formulário do mural */
.album-upload {
  display: grid; gap: var(--space-5);
  padding: var(--space-6);
  background: var(--surface-raised);
  border: var(--border-hairline) solid var(--gold-200);
}
.album-upload .upload-note {
  font-family: var(--font-sans); font-size: 12px; letter-spacing: .06em;
  color: var(--gold-400); line-height: 1.6;
}
.album-progress {
  height: 7px; background: var(--surface-hover);
  border: 1px solid var(--hairline); overflow: hidden;
}
.album-progress i {
  display: block; height: 100%; width: 0%;
  background: var(--foil); transition: width .25s var(--ease-out);
}
.upload-status {
  font-family: var(--font-sans); font-size: 12px; letter-spacing: .1em;
  text-transform: uppercase; color: var(--gold-300); text-align: center;
}

/* Grade: as colunas vêm de JS (--cols) para bater com a paginação
   (3 linhas por página: 4x3 no desktop largo, 3x3 no médio, 2x3 no celular) */
.album-grid {
  display: grid; gap: 10px;
  grid-template-columns: repeat(var(--cols, 3), minmax(0, 1fr));
}
.album-cell {
  position: relative; padding: 0; margin: 0; aspect-ratio: 1 / 1;
  overflow: hidden; cursor: pointer;
  background: var(--surface-raised);
  border: var(--border-hairline) solid var(--hairline);
  transition: border-color var(--dur-s), transform var(--dur-s);
}
.album-cell:hover { border-color: var(--gold-200); transform: translateY(-2px); }
.album-cell:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 2px; }
.album-cell img {
  position: absolute; inset: 0; width: 100%; height: 100%;
  object-fit: cover; display: block;
}
.album-badge {
  position: absolute; right: 6px; bottom: 6px;
  padding: 2px 8px; border-radius: var(--radius-full);
  background: rgba(23, 3, 4, .72); border: 1px solid var(--hairline);
  color: var(--gold-200); font-family: var(--font-sans);
  font-size: 10px; letter-spacing: .08em;
}
.album-empty, .album-loading {
  padding: var(--space-12) var(--space-6); text-align: center;
  color: var(--gold-300); font-family: var(--font-serif); font-size: 19px;
  background: var(--surface-raised); border: 1px dashed var(--hairline);
}

/* Paginação */
.album-pager {
  display: flex; align-items: center; justify-content: center;
  gap: var(--space-5); margin-top: var(--space-8); flex-wrap: wrap;
}
.album-page-info {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--gold-300); min-width: 140px; text-align: center;
}

/* ============================================================
   Visualizador (lightbox) — foto grande, baixar/próxima/comentar
   embaixo; no celular desliza com o dedo para trocar de foto.
   ============================================================ */
.lb {
  position: fixed; inset: 0; z-index: 80;
  display: flex; flex-direction: column;
  padding: 54px 12px calc(14px + env(safe-area-inset-bottom, 0px));
  background: rgba(23, 3, 4, .97);
  animation: fade-in var(--dur-m) var(--ease-out) backwards;
}
body.lb-open { overflow: hidden; }

.lb-stage {
  position: relative; flex: 1 1 auto; min-height: 0;
  display: flex; align-items: center; justify-content: center;
  overflow: hidden; touch-action: pan-y;
  user-select: none; -webkit-user-select: none;
}
.lb-img {
  max-width: min(96vw, 1100px); max-height: 100%;
  object-fit: contain; display: block;
  box-shadow: var(--glow-gold);
  will-change: transform;
}
.lb-img.is-dragging { transition: none; }
.lb-img:not(.is-dragging) { transition: transform .25s var(--ease-out), opacity .25s var(--ease-out); }

.lb-close {
  position: absolute; top: 6px; right: 8px; z-index: 3;
  width: 42px; height: 42px; border-radius: 50%;
  background: rgba(23, 3, 4, .6); border: 1px solid var(--hairline);
  color: var(--gold-200); font-size: 20px; line-height: 1; cursor: pointer;
  transition: border-color var(--dur-s), color var(--dur-s);
}
.lb-close:hover { border-color: var(--gold-100); color: var(--gold-100); }
.lb-close:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 2px; }

.lb-arrow {
  position: absolute; top: 50%; transform: translateY(-50%); z-index: 3;
  width: 46px; height: 64px; padding: 0;
  background: rgba(23, 3, 4, .55); border: 1px solid var(--hairline);
  color: var(--gold-200); font-size: 22px; line-height: 1; cursor: pointer;
  transition: border-color var(--dur-s), color var(--dur-s), background var(--dur-s);
}
.lb-arrow:hover { border-color: var(--gold-100); color: var(--gold-100); background: rgba(23, 3, 4, .8); }
.lb-arrow:disabled {
  opacity: 1; color: var(--gold-500); border-color: rgba(211, 175, 55, .25);
  cursor: default; pointer-events: none;
}
.lb-arrow:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 2px; }
.lb-arrow--prev { left: 8px; }
.lb-arrow--next { right: 8px; }
@media (max-width: 640px) { .lb-arrow { display: none; } } /* no celular o dedo faz o trabalho */

/* Barra embaixo da foto: baixar · comentar · próxima */
.lb-bar {
  flex: 0 0 auto; display: flex; flex-wrap: wrap;
  align-items: center; justify-content: center; gap: 10px;
  padding: 14px 4px 8px;
}
.lb-counter {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .2em;
  text-transform: uppercase; color: var(--gold-400);
  min-width: 84px; text-align: center;
}
.lb-meta {
  flex: 0 0 auto; text-align: center; padding-bottom: 4px;
}
.lb-meta .lb-author { font-family: var(--font-serif); font-size: 17px; color: var(--gold-200); }
.lb-meta .lb-when {
  display: block; font-family: var(--font-sans); font-size: 10px;
  letter-spacing: .16em; text-transform: uppercase; color: var(--gold-500); margin-top: 2px;
}

/* Painel de comentários (abre/fecha embaixo da barra) */
.lb-comments {
  flex: 0 0 auto; max-height: 38vh; overflow-y: auto;
  border-top: 1px solid var(--hairline);
  padding-top: 10px; margin-top: 2px;
  overscroll-behavior: contain;
}
.lb-comments-title {
  font-family: var(--font-sans); font-size: 11px; letter-spacing: .22em;
  text-transform: uppercase; color: var(--gold-400); text-align: center;
  margin-bottom: 6px;
}
.lb-comment {
  display: grid; gap: 3px;
  padding: 9px 6px; border-bottom: 1px dashed rgba(211, 175, 55, .16);
}
.lb-comment:last-child { border-bottom: 0; }
.lb-comment-name { font-family: var(--font-serif); font-size: 16px; color: var(--gold-100); }
.lb-comment-when {
  font-family: var(--font-sans); font-size: 10px; letter-spacing: .14em;
  text-transform: uppercase; color: var(--gold-500);
}
.lb-comment-text {
  font-family: var(--font-sans); font-size: 13.5px; line-height: 1.55;
  color: var(--gold-300); white-space: pre-wrap; overflow-wrap: anywhere;
}
.lb-no-comments {
  text-align: center; font-family: var(--font-serif); font-size: 16px;
  color: var(--gold-400); padding: 8px 0 2px;
}
.lb-form { display: grid; gap: 8px; padding: 12px 4px 4px; }
.lb-input {
  width: 100%; padding: 10px 12px;
  background: var(--surface-raised); border: 1px solid var(--hairline);
  color: var(--gold-100); font-family: var(--font-sans); font-size: 14px;
  border-radius: var(--radius-sm);
}
.lb-input::placeholder { color: var(--gold-500); }
.lb-input:focus { outline: none; border-color: var(--gold-300); }
.lb-input:focus-visible { outline: var(--border-strong) solid var(--gold-100); outline-offset: 1px; }
textarea.lb-input { resize: vertical; min-height: 64px; line-height: 1.5; }
.lb-form-error {
  font-family: var(--font-sans); font-size: 12px; color: var(--danger); text-align: center;
}
.lb-form-actions { display: flex; justify-content: center; gap: 10px; }

@media (prefers-reduced-motion: reduce) {
  .lb, .v2-toast { animation: none; }
  .lb-img, .lb-img.is-dragging { transition: none; }
  .album-cell { transition: none; }
}