/* Importación de Google Material Icons y Fonts */
@import url('https://fonts.googleapis.com/icon?family=Material+Icons');
@import url('https://fonts.googleapis.com/css2?family=Roboto&display=swap');
@import url('https://fonts.googleapis.com/css2?family=JetBrains+Mono&family=Fira+Mono&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Montserrat&display=swap');

/* Variables para tema oscuro y claro con espaciados */
:root {
  --color-fondo-principal: #121212;
  --color-fondo-secundario: #1f1f1f;
  --color-header-footer-bg: #121212;
  --color-texto-principal: #eaeaea;
  --color-footer-texto: #aaaaaa;
  --color-titulo: #ffffff;
  --color-enlace: #999999;
  --color-enlace-hover: #ffffff;
  --color-borde: #555555;
  --color-fondo-hover: #292929;
  --color-nav-fondo: #121212;
  --color-shadow: rgba(0, 0, 0, 0.4);
  --color-shadow-hover: rgba(0, 0, 0, 0.6);

  /* Espaciados */
  --spacing-s: 0.5em;
  --spacing-m: 1em;
  --spacing-l: 1.5em;
  --border-radius: 1em;
}

.light-theme {
  --color-fondo-principal: #ffffff;
  --color-fondo-secundario: #f2f2f2;
  --color-header-footer-bg: #fafafa;
  --color-texto-principal: #111111;
  --color-footer-texto: #444444;
  --color-titulo: #000000;
  --color-enlace: #333333;
  --color-enlace-hover: #000000;
  --color-borde: #d9d9d9;
  --color-fondo-hover: #e6e6e6;
  --color-nav-fondo: #fafafa;
  --color-shadow: rgba(0, 0, 0, 0.15);
  --color-shadow-hover: rgba(0, 0, 0, 0.3);
}

/* Reset y base */
*,
*::before,
*::after {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--color-fondo-principal);
  color: var(--color-texto-principal);
  font-family: 'Roboto', sans-serif;
  text-shadow: none;
  transition: color 0.2s, background 0.2s, border 0.2s;
}

/* Textos principales con sombra suave */
header, h1, h2, h3 {
  text-shadow: 0 0 2px rgba(0,0,0,0.6);
}

/* Enlaces y botones */
a,
button {
  padding: var(--spacing-s) 1.5rem;
  background: none;
  border: 1px solid var(--color-borde);
  border-radius: 0.5em;
  color: var(--color-enlace);
  text-decoration: none;
  cursor: pointer;
  font-size: 1rem;
  font-weight: 600;
  display: inline-block;
  margin: var(--spacing-s);
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  line-height: 1.5;
  letter-spacing: 0.02em;
  box-shadow: 0 2px 6px var(--color-shadow);
  transition: background-color 0.2s ease-in-out, color 0.2s ease-in-out, border-color 0.2s ease-in-out, box-shadow 0.25s ease-in-out, transform 0.2s ease-in-out;
  user-select: none;
}

a:disabled,
button:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  box-shadow: none;
}

a:hover,
a:focus,
button:hover,
button:focus {
  background: var(--color-fondo-hover);
  color: var(--color-enlace-hover);
  border-color: var(--color-enlace-hover);
  outline-offset: 2px;
  box-shadow: 0 4px 10px var(--color-shadow-hover);
  transform: translateY(-2px);
}

a:active,
button:active {
  background: var(--color-borde);
  box-shadow: none;
  transform: translateY(0);
  outline: none;
}

a::after {
  content: none;
}

/* Navegación con subrayado animado */
nav {
  padding: 1rem;
  border-bottom: solid 1px var(--color-borde);
}

nav a {
  position: relative;
}

nav a::after {
  content: '';
  position: absolute;
  width: 0;
  height: 2px;
  bottom: 0;
  left: 0;
  background-color: var(--color-enlace);
  transition: width 0.3s ease;
}

nav a:hover::after,
nav a:focus::after {
  width: 100%;
}

/* Header */
header {
  background: var(--color-header-footer-bg);
  padding: 1.2em 0;
  text-align: center;
  font-size: 1.3em;
  font-weight: 700;
  color: var(--color-titulo);
  border-bottom: 1px solid var(--color-borde);
  transition: background-color 0.3s;
}

header:hover {
  background-color: var(--color-fondo-hover);
}

/* Main */
main {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: var(--spacing-m);
  margin: auto;
  max-width: 900px;
}

main p {
  text-indent: 1.5rem;
  padding: 0.5rem 2rem;
  background: none;
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: 0.02em;
}

/* Secciones */
section {
  background: var(--color-fondo-principal);
  padding: var(--spacing-l) var(--spacing-m);
  border: 1px solid var(--color-borde);
  border-radius: var(--border-radius);
  margin-bottom: 2em;
  transition: background-color 0.3s;
}

/* Contenedores */
.divContainer,
#indice,
.divContainer_links {
  display: block;
  background: var(--color-fondo-secundario);
  border: 1px solid var(--color-borde);
  padding: var(--spacing-m);
  border-radius: var(--border-radius);
  margin: 1rem;
}

.divContainer_links h3 {
  width: 100%;
  text-align: left;
  margin-bottom: var(--spacing-m);
  background: none;
  color: var(--color-titulo);
  padding: 0;
}

/* Tarjetas de documentación */
.card_docs {
  width: 100%;
  background: var(--color-fondo-secundario);
  border: 1px solid var(--color-borde);
  padding: 1.5em 1.5em 2em;
  border-radius: var(--border-radius);
  margin: 1em 0;
  box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  display: block;
  transition: background-color 0.3s, border-color 0.3s, box-shadow 0.3s, transform 0.3s;
  text-align: left;
}

.card_docs:hover {
  background-color: var(--color-fondo-hover);
  border-color: var(--color-enlace-hover);
  box-shadow: 0 6px 20px rgba(0,0,0,0.2);
  transform: translateY(-4px);
}

.card_docs h4 {
  margin-top: 0;
  margin-bottom: 0.75em;
  color: var(--color-titulo);
  font-size: 1.2em;
  font-weight: 700;
}

.card_docs p {
  line-height: 1.6;
  padding: 1rem 0;
  margin-bottom: 1.2em;
  color: var(--color-texto-principal);
  font-size: 1em;
}

/* Link en cards */
.card_docs a {
  display: block;
  max-width: 40vw;
  margin: 0 auto;
  padding: 0.6em 1.2em;
  background-color: var(--color-enlace);
  color: var(--color-fondo-secundario);
  text-decoration: none;
  border-radius: 0.6em;
  font-weight: 600;
  font-size: 1em;
  text-align: center;
  transition: background-color 0.3s, color 0.3s, box-shadow 0.3s, transform 0.3s;
  cursor: pointer;
  box-shadow: 0 2px 6px var(--color-shadow);
}

.card_docs a:hover,
.card_docs a:focus {
  background-color: var(--color-enlace-hover);
  color: var(--color-fondo-principal);
  outline: none;
  box-shadow: 0 4px 12px var(--color-shadow-hover);
  transform: translateY(-2px);
}

/* Sección categorías */
.category-section {
  margin-bottom: 2rem;
  padding: 0;
  border: none;
}

.category-section > h3 {
  border-bottom: 1px solid var(--color-borde);
  padding-bottom: 0.3rem;
  margin-bottom: 1rem;
  text-align: center;
  color: var(--color-titulo);
  background: none;
}

/* Detalles y resumen */
details {
  background: var(--color-fondo-secundario);
  border: 1px solid var(--color-borde);
  border-radius: var(--border-radius);
  padding: var(--spacing-m);
  margin: 1rem 0 1.5rem;
  transition: background-color 0.3s, border-color 0.3s;
}

details:hover {
  background-color: var(--color-fondo-hover);
  border-color: var(--color-enlace-hover);
}

summary {
  list-style: none;
  cursor: pointer;
  display: block;
  font-weight: 600;
  color: var(--color-titulo);
  user-select: none;
  padding: 0.6em 0;
  font-size: 1em;
  background: none;
  transition: color 0.3s;
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
  width: 90vw;
}

summary:hover,
summary:focus {
  color: var(--color-enlace-hover);
  outline: none;
}

summary::-webkit-details-marker {
  display: none;
}

summary::before {
  content: "▸";
  display: inline-block;
  margin-right: 0.5em;
  transition: transform 0.3s;
}

details[open] summary::before {
  transform: rotate(90deg);
}

details > *:not(summary) {
  margin-top: var(--spacing-m);
  color: var(--color-texto-principal);
  line-height: 1.5;
}

/* Inputs */
input {
  padding: 0.5em 1em;
  border-radius: 1.5em;
  font-weight: 500;
  background: var(--color-fondo-secundario);
  border: 1px solid var(--color-borde);
  font-size: 1em;
  margin: 0.5em 0;
  transition: border 0.2s, box-shadow 0.3s;
  cursor: text;
  color: var(--color-texto-principal);
}

input:hover {
  border-color: var(--color-enlace-hover);
  box-shadow: 0 0 5px var(--color-borde);
}

input:focus {
  border-color: var(--color-enlace);
  outline: none;
  box-shadow: 0 0 8px var(--color-enlace);
}

#legislacion input {
  display: block;
  background: var(--color-fondo-secundario);
  width: 50vw;
  text-align: center;
  margin: var(--spacing-m) auto;
  padding: 1rem;
}

/* Clases utilitarias */
.hidden {
  display: none !important;
}

/* Encabezados */
h1,
h2,
h3,
h4,
h5,
h6 {
  font-family: 'Montserrat', Arial, Helvetica, sans-serif;
}

h1,
h2 {
  color: var(--color-titulo);
  background: none;
  text-align: center;
  margin: 2rem 0 1rem;
  font-weight: 800;
}

h3,
h4,
h5,
h6 {
  color: var(--color-titulo);
  background: none;
  margin: 1rem 0 0.5rem;
  text-align: center;
  padding: 0.5em 0;
  font-weight: 700;
}

/* Contenedor para botones de tema y scroll */
#theme-toggle-container {
  position: fixed;
  right: 1em;
  bottom: 1em;
  display: flex;
  flex-direction: row;
  gap: 0.1em;
  z-index: 1000;
  background: var(--color-header-footer-bg);
  padding: 0.5em;
  border-radius: 1em;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
  border: 1px solid var(--color-borde);
  transition: background 0.3s, border-color 0.3s;
}

#theme-toggle-container button {
  background: var(--color-fondo-secundario);
  border: none;
  border-radius: 50%;
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.7em;
  box-shadow: 0 1px 4px var(--color-shadow);
  color: var(--color-texto-principal);
  transition: background 0.25s ease, color 0.25s ease;
}

#theme-toggle-container button:hover {
  background: var(--color-fondo-hover);
  color: var(--color-enlace-hover);
  box-shadow: 0 2px 8px var(--color-shadow-hover);
}

/* Footer */
footer {
  background: var(--color-header-footer-bg);
  padding: 2em 1em;
  font-size: 1em;
  text-align: center;
  color: var(--color-footer-texto);
  border-top: 1px solid var(--color-borde);
  transition: background-color 0.3s;
}

footer:hover {
  background-color: var(--color-fondo-hover);
}

footer p,
footer strong {
  color: var(--color-footer-texto);
}

/* Texto animado */
#animated-text {
  transition: opacity 0.5s;
  font-family: 'JetBrains Mono', 'Fira Mono', monospace;
  color: var(--color-titulo);
  font-size: 0.8em;
  letter-spacing: 0.08em;
}

/* Resaltado */
mark {
  color: inherit;
  background: var(--color-fondo-hover);
  border-radius: 0.3em;
  padding: 0.1em 0.3em;
  font-weight: 700;
}

/* Media queries para responsividad */
@media (max-width: 768px) {
  main {
    padding: var(--spacing-s);
    margin: var(--spacing-s);
  }
  .card_docs a {
    max-width: 100%;
  }
  #legislacion input {
    width: 90vw;
  }
  summary {
    width: 100%;
  }
}