:root {
  --papel: #EAE4D3;
  --papel-claro: #F3EFE3;
  --tinta: #201E19;
  --tinta-suave: #55503F;
  --linea: #C9C0A6;
  --sello: #8C3323;
  --sello-claro: #E9CFC6;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--papel);
  color: var(--tinta);
  font-family: Georgia, 'Times New Roman', serif;
  line-height: 1.5;
}

.topbar {
  border-bottom: 3px solid var(--tinta);
  padding: 1.2rem 1rem 0.8rem;
  text-align: center;
}

.topbar h1 {
  margin: 0;
  font-size: 2.2rem;
  letter-spacing: 1px;
}

.tagline {
  margin: 0.3rem 0 0;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
  color: var(--tinta-suave);
}

.barra-secciones {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  max-width: 640px;
  margin: 0.6rem auto 0;
  padding: 0 1rem;
  font-family: 'Courier New', monospace;
  font-size: 0.8rem;
}

.barra-secciones a {
  color: var(--sello);
  text-decoration: none;
  border: 1px solid var(--linea);
  padding: 0.15rem 0.5rem;
}

.barra-secciones a.activa {
  background: var(--sello);
  color: var(--papel-claro);
}

.vence {
  color: var(--tinta-suave);
}

.vista {
  max-width: 640px;
  margin: 0 auto;
  padding: 1rem;
}

.oculto { display: none; }

.caja-post {
  background: var(--papel-claro);
  border: 1px solid var(--linea);
  padding: 0.8rem;
  margin-bottom: 1.2rem;
}

.caja-post textarea {
  width: 100%;
  border: none;
  background: transparent;
  font-family: inherit;
  font-size: 1rem;
  resize: none;
  outline: none;
  color: var(--tinta);
}

.fila-controles {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  margin-top: 0.4rem;
  font-family: 'Courier New', monospace;
  font-size: 0.85rem;
}

.btn-imagen span {
  cursor: pointer;
  padding: 0.3rem 0.5rem;
  border: 1px dashed var(--tinta-suave);
  color: var(--tinta-suave);
}

.preview-nombre {
  flex: 1;
  color: var(--tinta-suave);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.contador {
  color: var(--tinta-suave);
  min-width: 2.2rem;
  text-align: right;
}

button[type="submit"] {
  background: var(--sello);
  color: var(--papel-claro);
  border: none;
  padding: 0.4rem 0.9rem;
  font-family: 'Courier New', monospace;
  cursor: pointer;
}

button[type="submit"]:hover { opacity: 0.85; }

.error {
  color: var(--sello);
  font-size: 0.8rem;
  margin: 0.3rem 0 0;
  min-height: 1em;
}

.lista-threads .thread {
  border-bottom: 1px solid var(--linea);
  padding: 0.9rem 0;
  cursor: pointer;
}

.thread:hover { background: rgba(0,0,0,0.02); }

.meta {
  font-family: 'Courier New', monospace;
  font-size: 0.78rem;
  color: var(--tinta-suave);
  margin-bottom: 0.3rem;
}

.meta .anon { color: var(--sello); }

.etiqueta-noticia {
  display: inline-block;
  background: var(--sello-claro);
  color: var(--sello);
  font-size: 0.7rem;
  padding: 0.05rem 0.4rem;
  margin-right: 0.4rem;
}

.cuerpo {
  font-size: 1.05rem;
  white-space: pre-wrap;
  word-break: break-word;
}

.thread img, .respuesta img {
  max-width: 100%;
  max-height: 320px;
  margin-top: 0.5rem;
  border: 1px solid var(--linea);
  display: block;
}

.respuesta {
  border-top: 1px dotted var(--linea);
  padding: 0.7rem 0 0.7rem 1rem;
}

.btn-volver {
  background: none;
  border: none;
  font-family: 'Courier New', monospace;
  color: var(--tinta-suave);
  cursor: pointer;
  padding: 0;
  margin-bottom: 0.8rem;
}

.cargando { color: var(--tinta-suave); font-family: 'Courier New', monospace; }

.pie {
  text-align: center;
  padding: 1rem;
  border-top: 1px solid var(--linea);
}

.link-tenue {
  background: none;
  border: none;
  font-family: 'Courier New', monospace;
  font-size: 0.75rem;
  color: var(--tinta-suave);
  cursor: pointer;
  text-decoration: underline;
}

@media (max-width: 480px) {
  .topbar h1 { font-size: 1.7rem; }
}