/* Plaza 25 de Mayo · 1944 — interfaz sobre la cámara.
   Tinta sepia y papel envejecido, como el plano impreso. */
:root {
  --paper: #efe4c9;
  --paper-2: #f6eedb;
  --ink: #34241a;
  --ink-soft: #78604a;
  --carmine: #b65642;
  --f-display: "IM Fell English SC", Georgia, "Times New Roman", serif;
  --f-body: "IM Fell English", Georgia, "Times New Roman", serif;
}

/* Sin fondo en html/body: AR.js pone el video de la cámara detrás de la página
   y cualquier color de fondo acá lo tapa (pantalla negra). */
html, body { margin: 0; height: 100%; overflow: hidden; background: transparent !important; }
body { font-family: var(--f-body); color: var(--ink); -webkit-tap-highlight-color: transparent; }
[hidden] { display: none !important; }

button, select {
  font: inherit; color: var(--ink); background: var(--paper-2);
  border: 1.5px solid var(--ink); border-radius: 2px; padding: 10px 14px; cursor: pointer;
}
button:active { background: var(--paper); }
button:focus-visible, select:focus-visible { outline: 3px solid var(--carmine); outline-offset: 2px; }

/* inicio */
.intro {
  position: fixed; inset: 0; z-index: 30; display: grid; place-items: center;
  background: rgba(30, 20, 12, .55);
  padding: max(16px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(16px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
}
.intro-card {
  max-width: 420px; background: var(--paper); border: 2px solid var(--ink);
  box-shadow: 0 0 0 6px var(--paper), 0 0 0 7.5px var(--ink); padding: 26px 24px 22px;
  display: grid; gap: 10px; text-align: center;
}
.intro-card h1 { font-family: var(--f-display); font-weight: 400; font-size: 34px; line-height: 1.05; margin: 0; }
.intro-card p { margin: 0; font-size: 18px; line-height: 1.35; }
.eyebrow { font-family: var(--f-display); font-size: 14px !important; letter-spacing: .08em; color: var(--ink-soft); }
.small { font-size: 15px !important; color: var(--ink-soft); font-style: italic; }
.progress { height: 6px; background: rgba(52, 36, 26, .15); margin-top: 6px; }
.progress-bar { height: 100%; width: 0; background: var(--carmine); transition: width .3s; }
#btn-start { font-family: var(--f-display); font-size: 20px; letter-spacing: .06em; margin-top: 6px; background: var(--ink); color: var(--paper); }

/* barra superior */
.topbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 20;
  display: flex; align-items: center; justify-content: space-between; gap: 12px;
  padding: calc(10px + env(safe-area-inset-top)) max(14px, env(safe-area-inset-right)) 10px max(14px, env(safe-area-inset-left));
  background: linear-gradient(rgba(30, 20, 12, .7), rgba(30, 20, 12, 0));
}
.topbar-title { font-family: var(--f-display); color: var(--paper); font-size: 19px; letter-spacing: .04em; }
.ghost-btn { background: rgba(239, 228, 201, .9); padding: 7px 12px; font-size: 16px; }

/* ficha */
.hint, .card {
  position: fixed; z-index: 20;
  left: max(12px, env(safe-area-inset-left)); right: max(12px, env(safe-area-inset-right));
  bottom: calc(12px + env(safe-area-inset-bottom));
  margin: 0 auto; max-width: 520px;
}
.hint {
  text-align: center; font-style: italic; font-size: 17px; color: var(--paper);
  background: rgba(30, 20, 12, .6); padding: 10px 14px;
}
.card {
  background: var(--paper); border: 2px solid var(--ink); padding: 14px 18px 16px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35); display: grid; gap: 4px;
}
.card-close {
  position: absolute; top: 6px; right: 6px; width: 40px; height: 40px; padding: 0;
  font-size: 24px; line-height: 1; border: 0; background: transparent;
}
.card { position: fixed; }
.card h2 { padding-right: 36px; }
.card-num { font-family: var(--f-display); color: var(--carmine); font-size: 17px; }
.card h2 { font-family: var(--f-display); font-weight: 400; font-size: 26px; margin: 0; line-height: 1.1; }
.card-place { margin: 0; font-style: italic; color: var(--ink-soft); font-size: 16px; }
.card p { margin: 0; font-size: 17px; line-height: 1.35; }

/* ajuste */
.adjust {
  position: fixed; z-index: 25; top: calc(58px + env(safe-area-inset-top));
  right: max(12px, env(safe-area-inset-right)); width: min(340px, calc(100vw - 24px));
  background: var(--paper); border: 2px solid var(--ink); padding: 12px; display: grid; gap: 10px;
  box-shadow: 0 6px 24px rgba(0, 0, 0, .35);
}
.adjust-row { display: flex; gap: 8px; align-items: center; }
.adjust-row label { font-family: var(--f-display); }
.adjust-row select { flex: 1; min-width: 0; padding: 8px; }
.adjust-row button { flex: 1; }
.adjust-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; }
.adjust-grid button { padding: 10px 6px; }
.adjust-out {
  margin: 0; padding: 8px 10px; background: var(--paper-2); border: 1px dashed var(--ink-soft);
  font: 13px/1.45 ui-monospace, Menlo, Consolas, monospace; white-space: pre-wrap; user-select: text; -webkit-user-select: text;
}

@media (prefers-reduced-motion: reduce) { .progress-bar { transition: none; } }