/* Variables CSS */
:root {
  --primary-color: #007bff;
  --primary-hover-color: #0056b3;
  --text-color: #333;
  --secondary-text-color: #4B5563;
  --background-color: #f7f7f7;
  --container-max-width: 1200px;
  --space-md: 1rem;
  --space-lg: 1.5rem;
  --bullet-size: 6px;
  /* Colores sutiles para headers */
  --h2-color: #2d3748;
  --h3-color: #3d4a5f;
  --h4-color: #4a5568;
  --h5-color: #576171;
  --h6-color: #697586;
}

body {
  font-family: Arial, sans-serif;
  background-color: var(--background-color);
  color: var(--text-color);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: var(--space-md);
}

/* Encabezados con jerarquía visual mejorada */
h2[id], h3[id], h4[id] {
  margin: 30px 0;
  font-size: 1.875rem;
  line-height: 2.25rem;
  font-weight: 700;
  scroll-margin-top: 2rem;
}

h2[id] {
  color: var(--h2-color);
  font-size: 1.875rem;
}

h3[id] {
  color: var(--h3-color);
  font-size: 1.75rem;
}

h4[id] {
  color: var(--h4-color);
  font-size: 1.625rem;
}

h5[id] {
  color: var(--h5-color);
  font-size: 1.5rem;
  margin: 24px 0;
}

h6[id] {
  color: var(--h6-color);
  font-size: 1.375rem;
  margin: 22px 0;
}

/* Párrafos */
p {
  font-size: 1.25rem;
  line-height: 1.75rem;
  color: var(--secondary-text-color);
  text-align: justify;
  margin: 2.5rem 0;
}

/* Enlaces */
article a:not(#mi-id a) {
  color: var(--primary-color);
  text-decoration: none;
  transition: color 0.2s ease;
}

article a:not(#mi-id a):hover {
  color: var(--primary-hover-color);
}

/* Listas ordenadas */
ol {
  counter-reset: item;
  list-style-type: none;
  padding-left: 0;
  margin: 1.5rem 0;
}

ol > li {
  counter-increment: item;
  position: relative;
  padding-left: 3rem;
  margin-bottom: 1rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--secondary-text-color);
}

ol > li::before {
  content: counter(item) ".";
  position: absolute;
  left: 0;
  width: 2rem;
  text-align: right;
  font-weight: bold;
  color: var(--primary-color);
  padding-right: 1rem;
}

/* Listas no ordenadas */
ul {
  list-style-type: none;
  padding-left: 0;
  margin: 1.5rem 0;
}

ul li {
  position: relative;
  padding-left: 1.5rem;
  margin-bottom: 0.75rem;
  font-size: 1.125rem;
  line-height: 1.75rem;
  color: var(--secondary-text-color);
}

ul li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  width: var(--bullet-size);
  height: var(--bullet-size);
  background-color: var(--primary-color);
  border-radius: 50%;
  transform: translateY(-50%);
}

/* Listas anidadas */
ol > li > ul,
ul > li > ul {
  margin: 0.75rem 0 0.75rem 1rem;
}

ol > li > ul > li,
ul > li > ul > li {
  padding-left: 1.25rem;
  margin-bottom: 0.5rem;
}

ol > li > ul > li::before,
ul > li > ul > li::before {
  width: calc(var(--bullet-size) - 2px);
  height: calc(var(--bullet-size) - 2px);
  opacity: 0.8;
}

/* Imágenes */
img:not(#mi-id img) {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  display: block;
  margin: 1.5rem 0;
}

/* TOC */
.toc ul {
  list-style-type: none;
  padding: 0;
  margin: 0;
}

.toc ul li {
  padding: 0;
  margin: 0 0 0.5rem 0;
}

.toc ul li::before {
  display: none;
}

.toc a {
  color: inherit;
  text-decoration: none;
  transition: color 0.2s ease;
}

.toc a:hover {
  color: var(--primary-color);
}

.toc li p {
  margin: 0;
  padding: 0;
}

/* Responsive */
@media screen and (max-width: 768px) {
  h2[id] {
    font-size: 1.75rem;
    margin: 28px 0;
  }

  h3[id] {
    font-size: 1.625rem;
    margin: 26px 0;
  }

  h4[id] {
    font-size: 1.5rem;
    margin: 24px 0;
  }

  h5[id] {
    font-size: 1.375rem;
    margin: 22px 0;
  }

  h6[id] {
    font-size: 1.25rem;
    margin: 20px 0;
  }

  p {
    font-size: 1.125rem;
    line-height: 1.625rem;
    margin: 2rem 0;
    padding: 0 0.5rem;
  }

  ol > li {
    padding-left: 2.5rem;
    font-size: 1rem;
  }

  ul li {
    font-size: 1rem;
  }

  .container {
    padding: 1rem;
  }
}

/* Optimización de lectura */
@media screen and (min-width: 1024px) {
  .container {
    max-width: 65ch;
  }
}

/* Bloques de código */
pre {
  background-color: #f8f9fa;
  border-radius: 6px;
  padding: 1.25rem;
  margin: 2rem 0;
  overflow-x: auto;
}

code {
  font-family: 'Fira Code', monospace;
  font-size: 0.9em;
  padding: 0.2em 0.4em;
  background-color: #f8f9fa;
  border-radius: 3px;
}

pre code {
  padding: 0;
  background-color: transparent;
}