:root {
  --paper: #0b1730;
  --paper-2: #112240;
  --ink: #e7edf7;
  --muted: #9eabc0;
  --accent: #8fb7ff;
  --accent-soft: #29456f;
  --line: #405675;
  --shadow: rgba(0, 0, 0, 0.24);
  --content: 760px;
  --radius: 8px;
}

* { box-sizing: border-box; }

html {
  background:
    linear-gradient(rgba(143, 183, 255, 0.025) 1px, transparent 1px),
    linear-gradient(90deg, rgba(143, 183, 255, 0.02) 1px, transparent 1px),
    var(--paper);
  background-size: 24px 24px;
}

body {
  margin: 0;
  color: var(--ink);
  font: 18px/1.72 Georgia, "Times New Roman", serif;
}

a {
  color: var(--accent);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.16em;
}

a:hover { text-decoration-style: wavy; }

img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: 6px;
}

.site-shell {
  width: min(calc(100% - 28px), 1040px);
  margin: 24px auto 56px;
}

.site-header {
  border: 1px solid var(--line);
  border-bottom: 3px double var(--line);
  background: rgba(14, 30, 58, 0.96);
  box-shadow: 4px 4px 0 var(--shadow);
  border-radius: var(--radius);
}

.header-inner {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 18px 22px 12px;
}

.site-title {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2.15rem);
  font-weight: normal;
  letter-spacing: 0.015em;
}

.site-kicker {
  margin: 0;
  color: var(--muted);
  font: 0.78rem/1.35 "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.main-nav {
  border-top: 1px dashed var(--line);
  padding: 10px 20px;
  font: 0.9rem/1.4 "Courier New", monospace;
}

.main-nav a {
  display: inline-block;
  margin: 2px 18px 2px 0;
}

.main-nav a[aria-current="page"] {
  color: var(--ink);
  font-weight: bold;
  text-decoration: none;
}

.layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 220px;
  gap: 26px;
  margin-top: 26px;
  align-items: start;
}

main,
.sidebar-card {
  background: rgba(14, 30, 58, 0.94);
  border: 1px solid var(--line);
  box-shadow: 4px 4px 0 var(--shadow);
  border-radius: var(--radius);
}

main { padding: clamp(22px, 5vw, 44px); }

.sidebar-card {
  padding: 18px;
  margin-bottom: 18px;
  font-size: 0.9rem;
}

.sidebar-card h2 {
  margin: 0 0 10px;
  font: bold 0.85rem/1.3 "Courier New", monospace;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.sidebar-card ul {
  margin: 0;
  padding-left: 1.1rem;
}

.page-title {
  margin: 0 0 0.4em;
  font-weight: normal;
  font-size: clamp(2rem, 6vw, 3.5rem);
  line-height: 1.05;
}

.lede {
  color: var(--muted);
  font-style: italic;
  margin-top: 0;
  max-width: 42rem;
}

.rule {
  border: 0;
  border-top: 1px dashed var(--line);
  margin: 30px 0;
}

.post-list {
  list-style: none;
  padding: 0;
  margin: 26px 0 0;
}

.post-list li {
  padding: 18px 0;
  border-top: 1px dashed var(--line);
}

.post-list li:last-child {
  border-bottom: 1px dashed var(--line);
}

.post-list h2 {
  margin: 0 0 4px;
  font-size: 1.35rem;
  font-weight: normal;
}

.post-meta {
  color: var(--muted);
  font: 0.78rem/1.5 "Courier New", monospace;
}

.post-summary {
  margin: 8px 0 0;
  font-size: 0.96rem;
}

article {
  max-width: var(--content);
}

article h2,
article h3 {
  margin-top: 1.8em;
  line-height: 1.25;
}

article p { margin: 1.15em 0; }

article blockquote {
  margin: 1.5em 0;
  padding: 0.2em 0 0.2em 1.2em;
  border-left: 3px solid var(--accent-soft);
  color: var(--muted);
  font-style: italic;
}

article figure {
  margin: 2em 0;
}

article figcaption {
  margin-top: 0.55em;
  color: var(--muted);
  font: 0.78rem/1.45 "Courier New", monospace;
  text-align: center;
}

.texto-justificado { text-align: justify; }

.nota {
  margin: 1.5em 0;
  padding: 13px 16px;
  border: 1px dashed var(--line);
  background: var(--paper-2);
  border-radius: 6px;
  font-size: 0.92rem;
}

.foto-pequena {
  width: min(100%, 420px);
  margin-inline: auto;
}

.foto-derecha {
  float: right;
  width: min(46%, 320px);
  margin: 0.35em 0 1em 1.4em;
}

.code-example {
  overflow-x: auto;
  padding: 16px;
  border: 1px solid var(--line);
  background: #0f203c;
  border-radius: 6px;
  font: 0.82rem/1.55 "Courier New", monospace;
  white-space: pre;
}

kbd, code {
  font-family: "Courier New", monospace;
  font-size: 0.9em;
}

.now-list dt {
  margin-top: 1.1em;
  font-weight: bold;
}

.now-list dd {
  margin-left: 0;
  color: var(--muted);
}

.site-footer {
  margin-top: 24px;
  padding: 16px 4px;
  color: var(--muted);
  font: 0.75rem/1.5 "Courier New", monospace;
  text-align: center;
}

.small-print {
  color: var(--muted);
  font-size: 0.88rem;
}

@media (max-width: 760px) {
  .layout { grid-template-columns: 1fr; }
  .sidebar { order: 2; }
  .header-inner { display: block; }
  .site-kicker { margin-top: 8px; }
}

@media (max-width: 540px) {
  body { font-size: 17px; }
  .site-shell {
    width: min(calc(100% - 16px), 1040px);
    margin-top: 8px;
  }
  main { padding: 22px 18px; }
  .main-nav a { margin-right: 12px; }
  .foto-derecha {
    float: none;
    width: 100%;
    margin: 1.2em 0;
  }
}


.recent-posts {
  list-style: none;
  margin: 0;
  padding: 0;
}

.recent-posts li {
  padding: 9px 0;
  border-top: 1px dashed var(--line);
}

.recent-posts li:first-child {
  border-top: 0;
  padding-top: 0;
}

.recent-posts a {
  display: block;
  line-height: 1.3;
}

.recent-posts span {
  display: block;
  margin-top: 3px;
  color: var(--muted);
  font: 0.72rem/1.3 "Courier New", monospace;
}