:root{
  color-scheme: dark;
  --bg: #000000;
  --bg-soft: #0b0c0f;
  --ink: #cfcfd2;
  --ink-dim: #a8abb2;
  --ink-muted: #7b7f88;
  --accent: #4ecca3;
  --accent-2: #35b98f;
  --line: #1c2025;
  --code-bg: #07080a;
  --table-stripe: #0f1115;
  --heading: #ffffff;
  --rule: #f5f5f5;
  --selection-ink: #e7fff6;
  --search-drawer-bg: linear-gradient(180deg, rgba(11,12,15,.95) 0%, rgba(0,0,0,.95) 100%);
  --result-separator: rgba(123,127,136,.25);
  --nested-separator: rgba(123,127,136,.35);
  --graph-tag: #4ecca3;
  --graph-tag-hover: #35b98f;
  --graph-link-active: #f5f7fb;
  --graph-bg: #000000;

  /* Badge design tokens (Dark Mode) */
  --badge-bg: var(--bg-soft);
  --badge-posts-border: rgba(78, 204, 163, 0.35);
  --badge-posts-text: var(--accent);
  --badge-prof-border: rgba(85, 172, 238, 0.45);
  --badge-prof-text: #55acee;
  --badge-acad-border: rgba(255, 172, 51, 0.45);
  --badge-acad-text: #ffac33;
  --badge-zettel-border: rgba(168, 107, 255, 0.45);
  --badge-zettel-text: #a86bff;
  --badge-lit-border: rgba(255, 107, 107, 0.45);
  --badge-lit-text: #ff6b6b;
}

:root[data-theme="light"] {
  color-scheme: light;
  --bg: #dce2e9;
  --bg-soft: #cfd7e1;
  --ink: #1c2733;
  --ink-dim: #364351;
  --ink-muted: #515e6d;
  --accent: #24684f;
  --accent-2: #1a4f3c;
  --line: #b8c3cf;
  --code-bg: #c6d0db;
  --table-stripe: #bec9d5;
  --heading: #0f1a26;
  --rule: #aab7c6;
  --selection-ink: #0f171f;
  --search-drawer-bg: linear-gradient(180deg, rgba(207,215,225,.97) 0%, rgba(220,226,233,.97) 100%);
  --result-separator: rgba(81,94,109,.34);
  --nested-separator: rgba(81,94,109,.46);
  --graph-tag: #24684f;
  --graph-tag-hover: #1a4f3c;
  --graph-link-active: #f8fbff;
  --graph-bg: #ccd4de;

  /* Badge design tokens (Light Mode - high contrast) */
  --badge-bg: rgba(255, 255, 255, 0.65);
  --badge-posts-border: rgba(36, 104, 79, 0.45);
  --badge-posts-text: var(--accent);
  --badge-prof-border: rgba(26, 85, 153, 0.45);
  --badge-prof-text: #1a5599;
  --badge-acad-border: rgba(184, 98, 0, 0.45);
  --badge-acad-text: #b86200;
  --badge-zettel-border: rgba(90, 39, 173, 0.45);
  --badge-zettel-text: #5a27ad;
  --badge-lit-border: rgba(186, 37, 37, 0.45);
  --badge-lit-text: #ba2525;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, "Cascadia Mono",
               "Fira Code", "IBM Plex Mono", "Liberation Mono", monospace;
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

.site-header {
  position: relative;
  padding: 26px 32px 6px;
  text-align: center;
}

.site-title {
  margin: 0;
  font-size: 2rem;
  color: var(--accent);
}

.site-subtitle {
  margin: 6px 0 0;
  color: var(--ink-muted);
}

html {
  transition: filter 0.3s ease;
}

html.grayscale-mode {
  filter: grayscale(100%);
}

/* Transitions globally for smooth theme toggling */
html, body, p, li, a, h1, h2, h3, h4, h5, h6, pre, code, table, tr, td, th, blockquote, aside, header, .sidebar-block, .search-trigger, .tag, .graph-range, .column, .nav-list a {
  transition: background 0.3s ease, background-color 0.3s ease, color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, filter 0.3s ease;
}

.site-header-actions {
  position: absolute;
  top: 22px;
  right: 32px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.theme-toggle,
.grayscale-toggle,
.lang-toggle {
  border: none !important;
  border-radius: 0 !important;
  background: transparent !important;
  color: var(--ink-dim) !important;
  padding: 0 !important;
  width: 32px;
  height: 32px;
  display: inline-flex !important;
  align-items: center !important;
  justify-content: center !important;
  cursor: pointer;
  box-shadow: none !important;
  transition: color 0.25s ease, transform 0.25s ease !important;
  font-family: inherit;
  font-size: 0.82rem;
  font-weight: 700;
  text-decoration: none !important;
}

.theme-toggle:hover,
.grayscale-toggle:hover,
.lang-toggle:hover {
  background: transparent !important;
  color: var(--accent) !important;
  border: none !important;
  transform: scale(1.08) !important;
  box-shadow: none !important;
  text-decoration: none !important;
}

.grayscale-toggle.is-active {
  color: var(--accent) !important;
  border: none !important;
  background: transparent !important;
}

.grayscale-icon {
  width: 17px;
  height: 17px;
  display: block;
  transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1);
}

.grayscale-toggle:hover .grayscale-icon {
  transform: rotate(180deg);
}

/* Icon Morphing styles */
.theme-icon-wrapper {
  position: relative;
  width: 17px;
  height: 17px;
  display: block;
}

.sun-icon,
.moon-icon {
  position: absolute;
  top: 0;
  left: 0;
  width: 17px;
  height: 17px;
  display: block;
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
  stroke-linejoin: round;
  transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Default (Dark Theme) state */
:root .theme-toggle .sun-icon {
  transform: rotate(90deg) scale(0);
  opacity: 0;
}
:root .theme-toggle .moon-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}

/* Light Theme state */
:root[data-theme="light"] .theme-toggle .sun-icon {
  transform: rotate(0) scale(1);
  opacity: 1;
}
:root[data-theme="light"] .theme-toggle .moon-icon {
  transform: rotate(-90deg) scale(0);
  opacity: 0;
}

.site-search {
  max-width: 70ch;
  margin: 14px auto 0;
  text-align: left;
  --pagefind-ui-scale: 0.78;
  --pagefind-ui-primary: var(--accent);
  --pagefind-ui-text: var(--ink);
  --pagefind-ui-background: var(--bg-soft);
  --pagefind-ui-border: var(--line);
  --pagefind-ui-tag: var(--code-bg);
  --pagefind-ui-border-width: 1px;
  --pagefind-ui-border-radius: 10px;
  --pagefind-ui-font: ui-monospace, SFMono-Regular, Menlo, Monaco, "Cascadia Mono",
                      "Fira Code", "IBM Plex Mono", "Liberation Mono", monospace;
}

.site-search--hidden {
  display: none;
}

.site-search-message {
  margin: 0;
  padding: 2rem 0;
  color: var(--ink-dim);
  font-size: 0.95rem;
  text-align: center;
}

.layout {
  display: grid;
  grid-template-columns: 220px minmax(0, 1fr) 260px;
  gap: 28px;
  padding: 28px 32px 48px;
}

.column {
  min-width: 0;
}

.nav,
.sidebar-column {
  position: sticky;
  top: 24px;
  align-self: start;
  padding: 0;
  background: transparent;
  border: 0;
}

.nav-title {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--heading);
}

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

.nav-list li {
  margin-bottom: 10px;
}

.nav-list a {
  color: var(--ink-muted);
  border-radius: 6px;
  padding: 0.2rem 0.4rem;
}

.nav-list a:hover {
  background: rgba(78,204,163,.08);
}

.nav-list a.active {
  color: var(--accent);
  font-weight: 700;
}

.content-column {
  padding: 10px 18px;
  display: flex;
  justify-content: center;
}

.content-inner {
  width: 100%;
  max-width: 70ch;
}

a { color: var(--accent); text-decoration: none; }
a:hover { color: var(--accent-2); text-decoration: underline; }
a:focus-visible { outline: 2px dashed var(--accent); outline-offset: 2px; }

h1, h2, h3, h4, h5, h6 {
  color: var(--heading);
  letter-spacing: 0.3px;
  line-height: 1.35;
  margin: 1.6rem 0 0.8rem;
}

h1 { font-size: 1.9rem; background: transparent; }
h2 { font-size: 1.45rem; color: var(--ink); }
h3 { font-size: 1.2rem; color: var(--ink); }

.page-header h1 {
  margin-top: 0;
}

.lead {
  color: var(--ink-muted);
  margin-top: 6px;
}

.post-list {
  display: grid;
  gap: 18px;
}

.portfolio-grid {
  display: grid;
  gap: 18px;
  margin: 1rem 0 2rem;
}

.portfolio-card {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.portfolio-card h2 {
  margin: 0 0 0.4rem;
  font-size: 1.1rem;
}

.portfolio-card p {
  margin: 0;
  color: var(--ink-dim);
}

.home-section + .home-section {
  margin-top: 2.2rem;
}

.home-graph {
  border: 0;
  border-radius: 0;
  padding: 0;
  background: transparent;
}

.sidebar-block--graph {
  margin-top: 0;
}

.sidebar-graph .home-section-head {
  margin-bottom: 0.45rem;
}

.sidebar-graph .home-section-head h2 {
  font-size: 1rem;
}

.sidebar-graph-lead {
  margin-bottom: 0.75rem;
  font-size: 0.85rem;
}

.sidebar-block--graph .knowledge-graph-tools {
  gap: 6px;
  margin-top: 0.4rem;
}

.sidebar-block--graph .graph-range {
  width: 100%;
  justify-content: space-between;
}

.sidebar-block--graph .graph-range input {
  width: min(112px, 48%);
}

body.graph-maximized {
  overflow: hidden;
}

.home-graph:-webkit-full-screen,
.home-graph:fullscreen,
.home-graph.is-maximized {
  display: flex;
  flex-direction: column;
  max-width: none;
  margin: 0;
  padding: 1rem;
}

.home-graph:-webkit-full-screen,
.home-graph:fullscreen {
  width: 100%;
  height: 100%;
  border-radius: 0;
}

.home-graph.is-maximized {
  position: fixed;
  inset: 10px;
  z-index: 1200;
  overflow: hidden;
  border-radius: 12px;
  box-shadow: 0 18px 44px rgba(0, 0, 0, 0.35);
}

.knowledge-graph-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0.65rem 0 0.25rem;
}

.graph-search {
  display: none;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0.35rem 0 0.2rem;
}

.graph-search.is-visible {
  display: flex;
}

.graph-tool {
  width: 34px;
  height: 34px;
  padding: 4px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  line-height: 1;
  font-size: 0;
  text-align: center;
  vertical-align: middle;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: var(--ink-dim);
}

.graph-tool svg {
  width: 17px;
  height: 17px;
  flex: 0 0 17px;
  display: block;
  margin: 0;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  pointer-events: none;
}

#graph-toggle-maximize .graph-icon-restore {
  display: none;
}

#graph-toggle-maximize.is-active .graph-icon-maximize {
  display: none;
}

#graph-toggle-maximize.is-active .graph-icon-restore {
  display: block;
}

.graph-tool.is-active {
  color: var(--accent);
}

.graph-tool:hover,
.graph-tool:focus-visible {
  background: transparent;
  color: var(--accent);
}

.graph-tool:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 2px;
}

.graph-range {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.28rem 0.5rem;
  font-size: 0.78rem;
  color: var(--ink-dim);
  background: var(--bg);
}

.graph-range input {
  width: 108px;
  accent-color: var(--accent);
}

.graph-search-input {
  flex: 1 1 260px;
  min-width: 180px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 0.42rem 0.58rem;
  font: inherit;
  line-height: 1.2;
  color: var(--ink);
  background: var(--bg);
}

.graph-search-input::placeholder {
  color: var(--ink-muted);
}

.graph-search-input:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(78,204,163,.14);
}

.graph-search-status {
  margin: 0;
  font-size: 0.8rem;
  color: var(--ink-muted);
}

.graph-search-status:empty {
  display: none;
}

.knowledge-graph {
  position: relative;
  width: 100%;
  height: 420px;
  margin-top: 0.75rem;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  background: var(--graph-bg);
}

.sidebar-block--graph .knowledge-graph {
  height: clamp(250px, 34vh, 320px);
  margin-top: 0.6rem;
}

.home-graph:-webkit-full-screen .knowledge-graph,
.home-graph:fullscreen .knowledge-graph,
.home-graph.is-maximized .knowledge-graph {
  flex: 1 1 auto;
  height: auto;
  min-height: 260px;
}

:root[data-theme="light"] .knowledge-graph {
  background: var(--graph-bg);
}

.knowledge-graph canvas {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

.knowledge-graph.is-grabbing canvas {
  cursor: grabbing;
}

.knowledge-graph-empty {
  position: absolute;
  inset: 0;
  display: grid;
  place-items: center;
  text-align: center;
  color: var(--ink-muted);
  font-size: 0.9rem;
  padding: 1rem;
}

.knowledge-graph-hint {
  margin: 0.7rem 0 0;
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.sidebar-block--graph .knowledge-graph-hint {
  font-size: 0.8rem;
}

.home-section-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 0.7rem;
}

.home-section-head h2 {
  margin: 0;
}

.home-section-head .sidebar-more {
  margin-top: 0;
}

.post-card {
  padding: 0;
  background: transparent;
  border: 0;
}

.post-card h2 {
  margin: 6px 0 8px;
}

.post-card-meta {
  font-size: 0.85rem;
  color: var(--ink-muted);
  letter-spacing: 0.04em;
}

.post-summary {
  margin: 0.6rem 0 0;
  color: var(--ink-dim);
}

.post-body {
  background: transparent;
  padding: 0;
  border: 0;
}

.tag-list {
  margin: 8px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 10px;
  background: var(--code-bg);
  border: 1px solid var(--line);
  font-size: 0.85rem;
  color: var(--accent);
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.count {
  color: var(--ink-muted);
  font-size: 0.8rem;
}

.archive-year {
  margin-bottom: 24px;
}

.archive-list {
  list-style: none;
  padding: 0;
  margin: 6px 0 16px;
}

.archive-list li {
  display: flex;
  gap: 12px;
  margin-bottom: 6px;
}

.archive-date {
  color: var(--ink-muted);
  font-size: 0.85rem;
  min-width: 100px;
}

.sidebar-block + .sidebar-block {
  margin-top: 22px;
  padding-top: 18px;
  border-top: 1px solid var(--line);
}

.sidebar-list {
  list-style: none;
  padding: 0;
  margin: 8px 0 0;
}

.sidebar-list li {
  display: flex;
  justify-content: space-between;
  margin-bottom: 8px;
  font-size: 0.95rem;
}

.sidebar-more {
  display: inline-block;
  margin-top: 6px;
  font-size: 0.9rem;
}

time, .byline {
  color: var(--ink-muted);
}

p, li, td, th, blockquote, code, pre {
  color: var(--ink);
}

p { margin: 0.8rem 0 1rem; }

::selection { background: rgba(78,204,163,.25); color: var(--selection-ink); }

hr {
  border: 0;
  height: 2px;
  width: 60%;
  margin: 2rem auto;
  background-color: var(--rule);
}

blockquote {
  margin: 1.2rem 0;
  padding: 0.8rem 1rem;
  border-left: 4px solid var(--accent);
  background: var(--bg-soft);
  color: var(--ink);
}

code {
  background: var(--code-bg);
  padding: 0.15rem 0.35rem;
  border-radius: 4px;
  color: var(--accent);
}

pre {
  background: var(--code-bg);
  padding: 1rem;
  overflow-x: auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  font-size: 0.95rem;
}

table {
  width: 100%;
  border-collapse: separate;
  border-spacing: 0;
  border: 1px solid var(--line);
  border-radius: 8px;
  overflow: hidden;
  background: var(--bg-soft);
}

thead { background: var(--table-stripe); }

th, td {
  color: var(--ink);
  padding: 0.65rem 0.7rem;
  vertical-align: top;
}

tr { border-left: 1px solid var(--bg-soft); }
tr:nth-child(even) { background: var(--table-stripe); }

.site-footer {
  padding: 20px 32px 32px;
  color: var(--ink-dim);
  font-family: serif;
}

.site-footer-updated {
  margin: 0;
  text-align: center;
  font-size: 0.9rem;
}

button:not(.graph-tool), .button:not(.graph-tool), a.button {
  display: inline-block;
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.5rem 0.8rem;
  background: transparent;
  color: var(--accent);
  text-decoration: none;
  cursor: pointer;
}

button:not(.graph-tool):hover, .button:not(.graph-tool):hover, a.button:hover {
  background: rgba(78,204,163,.08);
  color: var(--accent-2);
}

button:not(.graph-tool):focus-visible, .button:not(.graph-tool):focus-visible, a.button:focus-visible {
  outline: 2px dashed var(--accent);
  outline-offset: 3px;
}

.site-search .pagefind-ui {
  border-top: 1px solid var(--line);
  padding-top: 12px;
}

.site-search .pagefind-ui__form::before {
  opacity: 0.45;
}

.site-search .pagefind-ui__search-input {
  color: var(--ink);
  font-weight: 500;
  letter-spacing: 0.01em;
  padding-right: calc(22px * var(--pagefind-ui-scale));
  transition: border-color 0.2s ease, box-shadow 0.2s ease;
}

.site-search .pagefind-ui__search-input::placeholder {
  opacity: 1;
  color: var(--ink-muted);
  font-weight: 400;
}

.site-search .pagefind-ui__search-input:focus-visible {
  border-color: var(--accent);
  outline: none;
  box-shadow: 0 0 0 3px rgba(78,204,163,.14);
}

.site-search .pagefind-ui__search-clear {
  display: none;
}

.site-search .pagefind-ui__drawer {
  margin-top: 10px;
  border: 1px solid var(--line);
  border-radius: 10px;
  padding: 0 0.85rem 0.65rem;
  background: var(--search-drawer-bg);
}

.site-search .pagefind-ui__results-area {
  min-width: 100%;
}

.site-search .pagefind-ui__message {
  color: var(--ink-muted);
  font-weight: 600;
  border-bottom: 1px dashed var(--nested-separator);
}

.site-search .pagefind-ui__result {
  border-top: 1px solid var(--result-separator);
  padding: 0.72rem 0 0.8rem;
}

.site-search .pagefind-ui__result:first-child {
  border-top: 0;
}

.site-search .pagefind-ui__result-title {
  font-size: 1rem;
  font-weight: 600;
}

.site-search .pagefind-ui__result-link {
  color: var(--accent);
}

.site-search .pagefind-ui__result-link:hover {
  color: var(--accent-2);
  text-decoration: underline;
}

.site-search .pagefind-ui__result-excerpt {
  color: var(--ink-dim);
  font-size: 0.92rem;
  line-height: 1.55;
}

.site-search .pagefind-ui__result-nested {
  margin-left: 0.1rem;
  padding-left: 0.9rem;
  border-left: 1px dashed var(--nested-separator);
}

.site-search mark {
  background: rgba(78,204,163,.24);
  color: var(--selection-ink);
  border-radius: 4px;
  padding: 0 0.15rem;
}

.site-search .pagefind-ui__button {
  border: 1px solid var(--accent);
  border-radius: 8px;
  padding: 0.45rem 0.75rem;
  background: transparent;
  color: var(--accent);
  width: auto;
  min-width: 170px;
  margin-top: 1rem;
}

.site-search .pagefind-ui__button:hover {
  background: rgba(78,204,163,.08);
  color: var(--accent-2);
}

kbd {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-bottom-color: #000;
  border-radius: 4px;
  padding: 0 0.35rem;
  font-weight: 600;
}

sup, sub { line-height: 0; }

@media (max-width: 1000px) {
  .site-header {
    padding: 22px 16px 6px;
  }

  .site-header-actions {
    position: static;
    margin: 10px auto 0;
    display: flex;
    justify-content: center;
    gap: 12px;
  }

  .site-search {
    margin-top: 12px;
  }

  .home-section-head {
    flex-wrap: wrap;
  }

  .knowledge-graph-tools {
    gap: 6px;
  }

  .graph-tool {
    width: 32px;
    height: 32px;
  }

  .graph-range {
    width: 100%;
    justify-content: space-between;
  }

  .graph-range input {
    width: min(160px, 56vw);
  }

  .graph-search-input {
    flex-basis: 100%;
    width: 100%;
    min-width: 0;
  }

  .knowledge-graph {
    height: 320px;
  }

  .home-graph.is-maximized {
    inset: 6px;
    padding: 0.75rem;
  }

  .home-graph.is-maximized .knowledge-graph {
    min-height: 220px;
  }

  .layout {
    grid-template-columns: 1fr;
    padding: 20px 16px 36px;
  }

  .nav,
  .sidebar-column {
    position: static;
  }
}

/* ==========================================================================
   NUEVAS MEJORAS: Búsqueda Modal, Modo Zen, Backlinks y Media Print
   ========================================================================== */

/* 1. Búsqueda Modal */
.search-modal-overlay {
  position: fixed;
  inset: 0;
  z-index: 2100;
  background: rgba(10, 12, 16, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  display: flex;
  justify-content: center;
  align-items: flex-start;
  padding-top: 10vh;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-modal-overlay.is-visible {
  opacity: 1;
  pointer-events: auto;
}

.search-modal {
  width: min(660px, 94%);
  background: var(--bg-soft);
  border: 1px solid var(--line);
  border-radius: 12px;
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.55);
  padding: 1.25rem 1.5rem;
  transform: translateY(-24px);
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

.search-modal-overlay.is-visible .search-modal {
  transform: translateY(0);
}

.search-modal-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.85rem;
  padding-bottom: 0.45rem;
  border-bottom: 1px dashed var(--line);
}

.search-modal-title {
  font-weight: 700;
  font-size: 1rem;
  color: var(--heading);
}

.search-modal-close {
  background: transparent;
  border: 0;
  color: var(--ink-muted);
  font-size: 1.6rem;
  line-height: 1;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 6px;
  transition: all 0.2s ease;
}

.search-modal-close:hover {
  color: var(--accent);
  background: rgba(78, 204, 163, 0.08);
}

.search-modal-footer {
  margin-top: 1rem;
  font-size: 0.78rem;
  color: var(--ink-muted);
  text-align: right;
  border-top: 1px dashed var(--line);
  padding-top: 0.5rem;
}

.search-modal-footer kbd {
  background: var(--code-bg);
  border: 1px solid var(--line);
  border-radius: 4px;
  padding: 0px 4px;
  font-family: inherit;
  color: var(--ink-dim);
}

body.search-active {
  overflow: hidden;
}

/* 2. Disparador de Búsqueda y Modo Zen */
.search-trigger {
  transition: all 0.2s ease;
}

.search-trigger:hover {
  background: var(--bg-soft) !important;
  color: var(--accent) !important;
  border-color: var(--accent) !important;
}

.zen-toggle-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: none !important;
  border-radius: 0 !important;
  padding: 0 !important;
  width: 32px;
  height: 32px;
  background: transparent !important;
  color: var(--ink-dim) !important;
  cursor: pointer;
  transition: all 0.2s ease;
}

.zen-toggle-btn:hover {
  color: var(--accent) !important;
  background: transparent !important;
}

.zen-toggle-btn.is-active {
  color: var(--accent) !important;
}

.zen-toggle-btn.is-active:hover {
  color: var(--accent-2) !important;
}

/* Normal state: show normal eye, hide eye-off */
.zen-toggle-btn .zen-icon-normal { display: block; }
.zen-toggle-btn .zen-icon-active { display: none; }

/* Active Zen state: show eye-off, hide normal eye */
.zen-toggle-btn.is-active .zen-icon-normal { display: none; }
.zen-toggle-btn.is-active .zen-icon-active { display: block; }

body.zen-mode .nav-column,
body.zen-mode .sidebar-column {
  display: none !important;
}

body.zen-mode .layout {
  grid-template-columns: 1fr;
  max-width: 72ch;
  margin: 0 auto;
  padding: 24px 20px 48px;
}

body.zen-mode .content-column {
  padding: 0;
}

/* 3. Enlaces entrantes (Backlinks) */
.backlinks-section {
  margin-top: 3.8rem;
  padding-top: 1rem;
}

.backlinks-divider {
  border: 0;
  height: 1px;
  width: 100%;
  background-color: var(--line);
  margin-bottom: 2rem;
}

.backlinks-section h3 {
  font-size: 1.15rem;
  margin-bottom: 0.8rem;
  color: var(--heading);
}

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

.backlinks-list li {
  margin-bottom: 0.6rem;
}

.backlink-link {
  display: inline-flex;
  align-items: center;
  padding: 0.25rem 0.65rem;
  border-radius: 6px;
  background: var(--bg-soft);
  border: 1px solid var(--line);
  color: var(--accent) !important;
  font-size: 0.88rem;
  transition: all 0.2s ease;
}

.backlink-link:hover {
  border-color: var(--accent);
  background: rgba(78, 204, 163, 0.06);
  text-decoration: none !important;
}

.backlink-meta {
  color: var(--ink-muted);
  font-size: 0.82rem;
  margin-left: 6px;
}

/* 4. Estilos de Impresión */
@media print {
  :root, :root[data-theme="light"] {
    --bg: #ffffff !important;
    --ink: #111111 !important;
    --heading: #000000 !important;
    --line: #cccccc !important;
  }
  
  body {
    background: #ffffff !important;
    color: #111111 !important;
    font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif !important;
    font-size: 11pt !important;
    line-height: 1.45 !important;
  }

  .site-header,
  .nav-column,
  .sidebar-column,
  .site-footer,
  .zen-toggle-btn,
  .print-btn-container,
  .backlinks-section {
    display: none !important;
  }

  .layout {
    display: block !important;
    padding: 0 !important;
    margin: 0 !important;
    border: 0 !important;
  }

  .content-column {
    padding: 0 !important;
    margin: 0 !important;
    display: block !important;
    width: 100% !important;
  }

  .content-inner {
    max-width: 100% !important;
    width: 100% !important;
  }

  h1, h2, h3, h4, h5, h6 {
    color: #000000 !important;
    page-break-after: avoid;
    margin-top: 1.4rem !important;
    margin-bottom: 0.5rem !important;
  }

  h1 {
    font-size: 1.8rem !important;
    border-bottom: 2px solid #333333 !important;
    padding-bottom: 4px;
  }

  h2 {
    font-size: 1.35rem !important;
    border-bottom: 1px solid #666666 !important;
    padding-bottom: 2px;
  }

  h3 {
    font-size: 1.1rem !important;
    margin-top: 1rem !important;
  }

  p, li, td {
    font-size: 10.5pt !important;
    color: #222222 !important;
  }

  li {
    margin-bottom: 0.25rem !important;
  }

  a {
    color: #111111 !important;
    text-decoration: underline !important;
  }
}

/* --- MEJORAS DE LEGIBILIDAD EN ARCHIVOS --- */
.archive-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
  margin: 18px 0 28px;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line);
}

.archive-filters .filter-btn {
  font-family: inherit !important;
  font-size: 0.82rem !important;
  background: transparent !important;
  color: var(--ink-muted) !important;
  border: none !important;
  border-bottom: 2px solid transparent !important;
  border-radius: 0 !important;
  padding: 0 0 6px 0 !important;
  cursor: pointer !important;
  transition: all 0.2s ease !important;
  display: inline-block !important;
  outline: none !important;
  box-shadow: none !important;
}

.archive-filters .filter-btn:hover {
  color: var(--ink) !important;
  background: transparent !important;
}

.archive-filters .filter-btn.active {
  color: var(--accent) !important;
  border-bottom: 2px solid var(--accent) !important;
  font-weight: 700 !important;
  background: transparent !important;
}

.archive-badge {
  font-family: inherit;
  font-size: 0.7rem;
  padding: 2px 6px;
  border-radius: 3px;
  border: 1px solid var(--line);
  color: var(--ink-dim);
  background: var(--badge-bg);
  text-transform: uppercase;
  margin-left: auto;
  white-space: nowrap;
  letter-spacing: 0.05em;
  opacity: 1;
}

.archive-badge--posts {
  border-color: var(--badge-posts-border);
  color: var(--badge-posts-text);
}
.archive-badge--proyectos-profesionales {
  border-color: var(--badge-prof-border);
  color: var(--badge-prof-text);
}
.archive-badge--proyectos-academicos {
  border-color: var(--badge-acad-border);
  color: var(--badge-acad-text);
}
.archive-badge--zettelkasten {
  border-color: var(--badge-zettel-border);
  color: var(--badge-zettel-text);
}
.archive-badge--lit {
  border-color: var(--badge-lit-border);
  color: var(--badge-lit-text);
}

/* Ensure active/hover items look clean and don't wrap badge weirdly */
.archive-list li {
  align-items: center;
}