/* Reset y estilos base */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  background: #fff;
  color: #111;
  font-family: Charter, Georgia, "Times New Roman", serif;
  line-height: 1.7;
  font-size: clamp(16px, 2.5vw, 18px);
  text-rendering: optimizeLegibility;
}

::selection {
  background: #f0e6d2;
}

/* Contenedor principal */
.container {
  max-width: 680px;
  margin: 0 auto;
  padding-inline: clamp(16px, 5vw, 64px);
  padding-block: 2rem;
}

/* Cabecera */
.header {
  text-align: center;
  margin-bottom: 3rem;
}

.site-title {
  font-size: 3rem;
  font-weight: bold;
  margin-bottom: 2rem;
  margin-top: 2rem;
  cursor: pointer;
}

.site-title a {
  color: inherit;
  text-decoration: none;
}

.site-subtitle {
  font-size: 0.9rem;
  color: #999;
  margin-top: -2rem;
  margin-bottom: 1.5rem;
}

/* Filtro de autores */
.author-filter {
  font-size: 1.1rem;
  margin-top: -1rem;
}

.author-link {
  text-decoration: none;
  filter: grayscale(1);
  opacity: 0.45;
  transition: opacity 0.15s, filter 0.15s;
}

.author-link:hover {
  opacity: 0.8;
}

.author-link.is-active,
.author-filter:not(:has(.is-active)) .author-link {
  filter: none;
  opacity: 1;
}

/* Entradas del feed */
.posts-feed {
  margin-bottom: 2rem;
}

.post-item {
  margin-bottom: 3rem;
  border-bottom: 1px solid #eee;
}

.post-item:last-child {
  border-bottom: none;
}

.post-title {
  font-size: clamp(1.25rem, 4vw, 1.5rem);
  margin-bottom: 0.35rem;
  cursor: pointer;
  color: #111;
  text-decoration: none;
  font-weight: bold;
  display: block;
}

.post-title:hover {
  color: #333;
}

.post-content {
  margin-bottom: 1rem;
  margin-top: 1rem;
}

.post-content p {
  margin: 0 0 1rem 0;
}

.post-content ol,
.post-content ul {
  margin: 0 0 1rem 1.5em;
}

.post-content a {
  color: #111;
}

.more-link {
  font-size: 0.9rem;
  color: #666 !important;
  text-decoration: none;
}

.more-link:hover {
  text-decoration: underline;
}

.post-meta {
  display: block;
  font-size: 0.85rem;
  color: #666;
  font-style: italic;
  margin-bottom: 1.5rem;
}

.post-stars {
  font-style: normal;
  letter-spacing: 0.1em;
}

.post-author {
  font-style: normal;
}

/* Página individual de post */
.post-detail {
  margin-bottom: 2rem;
}

.post-detail .post-title {
  margin-bottom: 0.5rem;
  cursor: default;
}

/* Loading */
.loading {
  text-align: center;
  padding: 2rem 0;
  color: #666;
  font-style: italic;
}

/* Navegación */
.nav-link {
  color: #111;
  text-decoration: none;
  display: inline-block;
  margin-bottom: 2rem;
  padding: 0.5rem 0;
  border-bottom: 1px solid transparent;
}

.nav-link:hover {
  border-bottom-color: #111;
}

/* Mensajes de error */
.error-message {
  color: #d00;
  margin: 1rem 0;
  padding: 1rem;
  border: 1px solid #d00;
  background: #fff;
}

/* Responsive */
@media (max-width: 768px) {
  .container {
    padding-block: 1rem;
  }

  .header {
    margin-bottom: 2rem;
  }

  .site-title {
    margin-bottom: 1.5rem;
  }

  .post-item {
    margin-bottom: 2rem;
  }
}

/* Impresión */
@media print {
  .container {
    max-width: none;
    padding: 0;
  }

  .post-item {
    break-inside: avoid;
    margin-bottom: 2rem;
    border-bottom: 1px solid #ccc;
  }
}