/* Como Crear Tu Web: hoja de estilos única, sin dependencias. */

:root {
  --text: #1f2328;
  --muted: #59636e;
  --background: #fff;
  --surface: #f6f8fa;
  --border: #d1d9e0;
  --link: #0b5cad;
  --link-hover: #084a8a;

  --code-html: #b02a2a;
  --code-css: #0b6e4f;
  --code-php: #5b3ea6;
  --code-js: #8a5a00;

  --font-body: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-code: ui-monospace, "SFMono-Regular", Menlo, Consolas, "Liberation Mono", monospace;

  --measure: 46rem;
  --wide: 68rem;
  --gutter: 1rem;
}

*, *::before, *::after { box-sizing: border-box; }

body {
  margin: 0;
  font: 1.0625rem/1.7 var(--font-body);
  color: var(--text);
  background: var(--background);
  border-top: 4px solid var(--link);
}

a { color: var(--link); text-underline-offset: 0.15em; }
a:hover { color: var(--link-hover); }
img { max-width: 100%; height: auto; }

/* Cabecera */

.site-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1rem var(--gutter);
  border-bottom: 1px solid var(--border);
}

.site-name {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text);
  text-decoration: none;
}
.site-name:hover { color: var(--link); }
.site-logo { display: block; width: min(270px, 65vw); height: auto; }
.member-nav { position: relative; margin-left: auto; font-size: 0.9rem; }
.member-nav summary { cursor: pointer; color: var(--link); }
.member-nav nav { position: absolute; z-index: 2; right: 0; top: 1.6rem; min-width: 9rem; padding: 0.6rem; border: 1px solid var(--border); border-radius: 0.4rem; background: var(--surface); box-shadow: 0 0.25rem 0.75rem rgb(0 0 0 / 12%); }
.member-nav nav a, .member-nav nav form { display: block; margin: 0.35rem 0; }
.member-nav form { margin: 0; }
.member-nav button { padding: 0; border: 0; background: none; color: var(--link); font: inherit; text-decoration: underline; text-underline-offset: 0.15em; cursor: pointer; }
.member-nav button:hover { color: var(--link-hover); }
.cookie-banner { position: fixed; z-index: 10; bottom: 1rem; left: 1rem; max-width: 26rem; padding: 1rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); box-shadow: 0 0.25rem 0.75rem rgb(0 0 0 / 12%); }
.cookie-banner[hidden] { display: none; }
.cookie-banner p { margin: 0.5rem 0; }
.cookie-banner button, .cookie-banner a, .cookie-preferences button { display: inline-block; margin: 0.25rem 0.35rem 0.25rem 0; padding: 0.45rem 0.8rem; border: 1px solid var(--link); border-radius: 0.4rem; background: var(--link); color: #fff; font: inherit; text-decoration: none; cursor: pointer; }
.cookie-banner [data-cookie-reject], .cookie-banner a, .cookie-preferences [data-cookie-category] { background: var(--background); color: var(--link); }
.cookie-preferences { margin: 1rem 0; padding: 1rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); }
.cookie-table { display: grid; gap: 0.65rem; margin: 1rem 0; }
.cookie-choice { display: flex; width: 100%; align-items: center; justify-content: space-between; gap: 1rem; padding: 1rem; border: 1px solid #d5a9a2; border-radius: 0.5rem; background: #fff1ee; color: var(--text); text-align: left; cursor: pointer; }
.cookie-choice span { display: grid; gap: 0.25rem; }
.cookie-choice small { color: var(--muted); font-size: 0.82rem; }
.cookie-choice b { color: #96352d; font-size: 0.82rem; text-transform: uppercase; }
.cookie-choice.is-accepted { border-color: #91b49b; background: #edf7ef; }
.cookie-choice.is-accepted b { color: #27683a; }
.cookie-choice:disabled { cursor: not-allowed; opacity: 1; }
.cookie-required-dialog { width: min(92vw, 34rem); padding: 0; border: 0; border-radius: 0.6rem; background: var(--background); color: var(--text); box-shadow: 0 1.875rem 5rem -1.25rem rgb(0 0 0 / 65%); }
.cookie-required-dialog::backdrop { background: rgb(0 0 0 / 60%); backdrop-filter: blur(3px); }
.cookie-required-dialog__inner { position: relative; padding: clamp(1.5rem, 5vw, 2.75rem); }
.cookie-required-dialog__inner h2 { margin-top: 0; }
.cookie-required-dialog__eyebrow { margin: 0 0 0.35rem; color: var(--muted); font-size: 0.8rem; font-weight: 700; letter-spacing: 0.06em; text-transform: uppercase; }
.cookie-required-dialog__close { position: absolute; top: 0.8rem; right: 0.8rem; display: grid; width: 2.5rem; height: 2.5rem; place-items: center; padding: 0; border: 1px solid var(--border); border-radius: 50%; background: var(--background); color: var(--text); font: inherit; cursor: pointer; }
.cookie-required-dialog__close:hover, .cookie-required-dialog__close:focus-visible { border-color: var(--link); color: var(--link); }
.cookie-required-dialog [data-cookie-required-close]:not(.cookie-required-dialog__close) { padding: 0.45rem 0.8rem; border: 1px solid var(--link); border-radius: 0.4rem; background: var(--link); color: #fff; font: inherit; cursor: pointer; }
@media (max-width: 480px) { .cookie-banner { right: 0.6rem; bottom: 0.6rem; left: 0.6rem; max-width: none; } }
.account-danger { border-color: #b02a2a; }
.account-danger button { border-color: #b02a2a; background: #b02a2a; }
.post-signature { margin-top: 1rem; padding-top: 0.75rem; border-top: 1px solid var(--border); color: var(--muted); font-size: 0.9rem; }

/* Menú del sitio: todas las secciones, con la visitada desplegada.
   En pantalla ancha va a la izquierda, siempre abierto; en móvil, plegado tras un botón. */

.main-menu { margin-top: 1rem; }

.menu-toggle { position: absolute; opacity: 0; pointer-events: none; }
.menu-toggle-label {
  display: block;
  padding: 0.6rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  font-weight: 600;
  cursor: pointer;
}
.menu-toggle-label::before { content: "☰  "; }
.menu-toggle:focus-visible + .menu-toggle-label { outline: 2px solid var(--link); outline-offset: 2px; }

.main-menu nav {
  display: none;
  max-height: 65vh;
  margin-top: 0.5rem;
  padding: 0.75rem 0.9rem;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  background: var(--surface);
  font-size: 0.92rem;
}
.menu-toggle:checked ~ nav { display: block; }

.main-menu ul { margin: 0; padding: 0; list-style: none; }
.main-menu ul ul { margin-left: 0.4rem; padding-left: 0.85rem; border-left: 1px solid var(--border); }
.main-menu li { margin: 0.2rem 0; }
.main-menu li > a, .main-menu summary a { text-decoration: none; }
.main-menu a:hover { text-decoration: underline; }
.main-menu details > summary { cursor: pointer; }
.main-menu a[aria-current="page"] { color: var(--text); font-weight: 700; }
.main-menu a[aria-current="page"]::before { content: "▸ "; color: var(--link); }
.main-menu .count { margin-left: 0.25rem; font-size: 0.8rem; color: var(--muted); }

/* Cuerpo */

.layout {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

main { min-width: 0; padding: 1.5rem 0 3rem; }

@media (min-width: 60em) {
  .layout {
    display: grid;
    grid-template-columns: 17rem minmax(0, var(--measure));
    gap: 2rem;
    align-items: start;
  }
  .main-menu {
    position: sticky;
    top: 1rem;
    max-height: calc(100vh - 2rem);
    margin-top: 1.5rem;
    overflow: auto;
  }
  .menu-toggle, .menu-toggle-label { display: none; }
  .main-menu nav { display: block; max-height: none; margin-top: 0; overflow: visible; }
}

h1 { font-size: 1.85rem; line-height: 1.25; margin: 0 0 1rem; letter-spacing: -0.01em; }
h2 { font-size: 1.35rem; line-height: 1.3; margin: 2rem 0 0.75rem; }
h3 { font-size: 1.1rem; line-height: 1.3; margin: 1.5rem 0 0.5rem; }
.legal-nav { display: flex; flex-wrap: wrap; gap: 0.45rem; margin: 2.5rem 0 1.5rem; padding: 0.7rem; border-left: 4px solid var(--link); background: linear-gradient(90deg, #edf5fd, transparent); font-size: 0.9rem; }
.legal-nav a { padding: 0.25rem 0.55rem; border: 1px solid #b9d2ea; border-radius: 999px; background: #fff; box-shadow: 0 1px 0 rgb(11 92 173 / 12%); color: var(--link); font-weight: 600; text-decoration: none; transition: background 150ms ease, border-color 150ms ease, box-shadow 150ms ease, transform 150ms ease; white-space: nowrap; }
.legal-nav a:hover { border-color: var(--link); background: var(--link); box-shadow: 0 0.2rem 0.45rem rgb(11 92 173 / 22%); color: #fff; transform: translateY(-1px); }
.legal-nav a.is-active { border-color: #084a8a; background: #084a8a; box-shadow: inset 0 2px 0 rgb(0 0 0 / 16%); color: #fff; cursor: default; }
.legal-nav a.is-active:hover { box-shadow: inset 0 2px 0 rgb(0 0 0 / 16%); transform: none; }
.legal-nav a:active { box-shadow: none; transform: translateY(1px); }
.legal-nav a:focus-visible { outline: 3px solid #e59b32; outline-offset: 2px; }

.breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.25rem;
  margin: 0 0 1.25rem;
  padding: 0;
  list-style: none;
  font-size: 0.9rem;
  color: var(--muted);
}
.breadcrumb li + li::before { content: "›"; margin-right: 0.25rem; }

.updated { margin-top: 2rem; font-size: 0.9rem; color: var(--muted); }

.children ul { padding-left: 1.25rem; }

/* Contenido de las lecciones */

.content { overflow-wrap: break-word; }
.content::after { content: ""; display: table; clear: both; }
.content h1 { font-size: 1.35rem; margin-top: 2rem; }
.content ul, .content ol { padding-left: 1.5rem; }
.content li { margin-bottom: 0.25rem; }
.content hr { border: 0; border-top: 1px solid var(--border); margin: 1.5rem 0; }
.content input, .content select, .content textarea { font: inherit; }

.content table { border-collapse: collapse; margin: 1rem 0; max-width: 100%; }
.content td, .content th { border: 1px solid var(--border); padding: 0.4rem 0.6rem; vertical-align: top; }

/* Ejemplos de código: color por lenguaje, en línea o en bloque */

.htmlcode, .hmlcode { color: var(--code-html); }
.csscode { color: var(--code-css); }
.phpcode { color: var(--code-php); }
.javacode, .scriptcode { color: var(--code-js); }
.archivo, .comentario { color: var(--muted); }

.content code, .content span.codigo, .content span.htmlcode, .content span.hmlcode, .content span.csscode,
.content span.phpcode, .content span.javacode, .content span.scriptcode, .content span.archivo,
.content span.comentario {
  padding: 0.1em 0.35em;
  border-radius: 0.25rem;
  background: var(--surface);
  font: 0.9em var(--font-code);
}

.content div.codigo, .content p.codigo, .content div.htmlcode, .content div.hmlcode, .content div.csscode,
.content div.phpcode, .content div.javacode, .content div.scriptcode {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: var(--surface);
  font: 0.9rem/1.6 var(--font-code);
  text-align: left;
}

.content div.membrete {
  width: fit-content;
  max-width: 100%;
  margin: 1rem 0 0;
  padding: 0.2rem 0.75rem;
  border: 1px solid var(--border);
  border-bottom: 0;
  border-radius: 0.4rem 0.4rem 0 0;
  background: var(--border);
  font-size: 0.85rem;
}
.content div.membrete + div { margin-top: 0; border-top-left-radius: 0; }

.content .aparienciahtml, .content .aparienciahmtl {
  margin: 1rem 0;
  padding: 0.75rem 1rem;
  border: 1px dashed var(--muted);
  border-radius: 0.4rem;
}

/* Alineación y destacados */

.centro, .cent, .centrado, .center { text-align: center; }
.derecha, .right { float: right; max-width: 50%; margin: 0 0 0.75rem 1rem; }
.izquierda { float: left; max-width: 50%; margin: 0 1rem 0.75rem 0; }
.resaltado { background: #fff3b0; padding: 0 0.15em; }

/* Portada: cuadrícula de secciones */

.sections ul {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(15rem, 1fr));
  gap: 1rem;
  margin: 0;
  padding: 0;
  list-style: none;
}
.sections li {
  padding: 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
}
.sections li:hover { background: var(--surface); }
.sections a { font-weight: 600; }
.sections p { margin: 0.25rem 0 0; font-size: 0.9rem; color: var(--muted); }

/* Archivo del foro */

.forums ul, .thread-list { margin: 0; padding: 0; list-style: none; }
.forums li, .thread-list li { padding: 0.75rem 0; border-bottom: 1px solid var(--border); }
.forums p { margin: 0.25rem 0 0; font-size: 0.9rem; color: var(--muted); }
.forum-category { border-bottom: 1px solid var(--border); }
.forum-category summary { padding: 0.85rem 0; cursor: pointer; font-weight: 400; }
.forum-category summary.unread { font-weight: 700; }
.forum-category[open] summary { border-bottom: 1px solid var(--border); }
.forum-category ul { padding-left: 1rem; }
.unread { font-weight: 700; }
.historical-thread { color: #767676; }
.historical-thread-preference-message { text-align: center; }
.count { margin-left: 0.5rem; font-size: 0.85rem; color: var(--muted); }
.thread-list .count { display: block; margin-left: 0; }
.thread-list li { display: flex; align-items: flex-start; gap: 0.75rem; }
.thread-list li[hidden] { display: none; }
.delete-thread, .delete-author { margin: 0; }
.title-row { display: flex; align-items: center; gap: 0.75rem; margin-bottom: 0.5rem; }
.title-row h1 { margin: 0; }
.delete-thread button, .delete-author button {
  width: 1.75rem;
  height: 1.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  background: var(--background);
  color: #b02a2a;
  font: inherit;
  line-height: 1;
  cursor: pointer;
}
.delete-thread button:hover, .delete-author button:hover { background: #fbeaea; border-color: #b02a2a; }

.post { margin: 1.5rem 0; padding: 1rem 1.25rem; border: 1px solid var(--border); border-radius: 0.5rem; }
.post-meta { margin-bottom: 0.75rem; font-size: 0.85rem; color: var(--muted); }
.post-report { color: var(--muted); }
.post-edit { color: var(--muted); text-decoration: none; font-size: 1.1rem; }
.post-edit:hover { color: var(--link); }
.post-meta strong a { color: inherit; text-decoration: none; }
.post-meta strong a:hover { text-decoration: underline; }
.post .content > :first-child { margin-top: 0; }
.post .content > :last-child { margin-bottom: 0; }
.post blockquote { margin: 0.75rem 0; padding: 0.5rem 1rem; border-left: 3px solid var(--border); background: var(--surface); color: var(--muted); }
.post blockquote cite { display: block; margin-bottom: 0.25rem; font-size: 0.85rem; font-style: normal; font-weight: 600; }
.post pre { margin: 0.75rem 0; padding: 0.75rem 1rem; overflow-x: auto; border: 1px solid var(--border); border-radius: 0.4rem; background: var(--surface); font: 0.9rem/1.5 var(--font-code); }
.post img { max-width: 100%; height: auto; }

.posting-form { margin-top: 2rem; padding: 1rem 1.25rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); }
.posting-form p { margin: 1rem 0; }
.posting-form label { display: block; font-weight: 600; }
.posting-form input, .posting-form textarea { width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--border); border-radius: 0.4rem; font: inherit; }
.posting-form button { padding: 0.45rem 0.8rem; border: 1px solid var(--link); border-radius: 0.4rem; background: var(--link); color: #fff; font: inherit; cursor: pointer; }
.edit-post-actions { display: flex; gap: 0.5rem; align-items: center; }
.edit-post-actions a, .edit-post-actions button { padding: 0.45rem 0.8rem; border: 1px solid var(--border); border-radius: 0.4rem; background: var(--background); color: var(--text); font: inherit; text-decoration: none; cursor: pointer; }
.edit-post-actions a:hover { background: var(--surface); }
.edit-post-actions button[type="submit"]:not(.delete-own-post) { border-color: var(--link); background: var(--link); color: #fff; }
.delete-own-post { border-color: #b02a2a !important; background: #b02a2a !important; color: #fff !important; }
.message { margin: 0 0 1rem; padding: 0.6rem 0.8rem; border: 1px solid var(--border); border-radius: 0.4rem; background: var(--surface); }
.message.success { border-color: #0b6e4f; }
.message.warning { border-color: #b7791f; background: #fff8e6; color: #7a4b08; }
.unavailable { padding: 0 0.35em; border-radius: 0.25rem; background: var(--surface); color: var(--muted); font-size: 0.9em; }

.pagination {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: center;
  gap: 0.5rem 0.75rem;
  margin-top: 2rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--border);
}
.pagination a {
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: 0.4rem;
  text-decoration: none;
}
.pagination a:hover { background: var(--surface); }
.pagination-current { padding: 0 0.5rem; color: var(--muted); }

/* Acceso de miembros del foro */
.forum-account { margin: 1.5rem 0; padding: 1rem; border: 1px solid var(--border); border-radius: 0.5rem; background: var(--surface); }
.forum-account p { margin: 0; }
.forum-account form { margin-top: 0.75rem; }
.account-form { max-width: 32rem; }
.account-form p { margin: 1rem 0; }
.account-form label { display: block; font-weight: 600; }
.account-form input[type="text"], .account-form input[type="email"], .account-form input[type="password"] { width: 100%; padding: 0.45rem 0.6rem; border: 1px solid var(--border); border-radius: 0.4rem; font: inherit; }
.password-input { position: relative; display: block; }
.password-input input { padding-right: 2.8rem !important; }
.account-form .password-toggle { position: absolute; top: 50%; right: 0.3rem; display: flex; align-items: center; justify-content: center; width: 2.1rem; height: 2.1rem; padding: 0; border: 0; border-radius: 0.3rem; transform: translateY(-50%); background: transparent; color: var(--muted); cursor: pointer; }
.account-form .password-toggle:hover { background: var(--surface); }
.account-form .password-toggle.is-visible { color: var(--link); }
.account-form .password-toggle.is-visible .password-toggle-slash { display: none; }
.account-form .password-toggle:focus-visible { outline: 2px solid var(--link); outline-offset: 1px; }
.account-form .password-toggle svg { display: block; width: 1.2rem; height: 1.2rem; }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0, 0, 0, 0); white-space: nowrap; border: 0; }
.account-form input[type="checkbox"] + label { display: inline; font-weight: normal; }
.account-form button, .forum-account button { padding: 0.45rem 0.8rem; border: 1px solid var(--link); border-radius: 0.4rem; background: var(--link); color: #fff; font: inherit; cursor: pointer; }
.historical-thread-modal { max-width: 30rem; border: 1px solid var(--border); border-radius: 0.5rem; color: var(--text); }
.historical-thread-modal::backdrop { background: rgb(0 0 0 / 40%); }
.historical-thread-modal form { text-align: center; }
.historical-thread-modal button { padding: 0.45rem 0.8rem; border: 1px solid var(--link); border-radius: 0.4rem; background: var(--link); color: #fff; font: inherit; cursor: pointer; }
.form-error { display: block; color: #b02a2a; font-size: 0.9rem; }
.honeypot { position: absolute; left: -10000px; width: 1px; height: 1px; overflow: hidden; }

/* Publicidad */

.ad { margin: 2rem 0 0; }
.ad-label { margin: 0 0 0.25rem; font-size: 0.75rem; text-transform: uppercase; letter-spacing: 0.05em; color: var(--muted); }
.ad-preview {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 15rem;
  border: 1px dashed var(--muted);
  border-radius: 0.4rem;
  background: var(--surface);
  color: var(--muted);
  text-align: center;
}

/* Anterior / siguiente */

.pager {
  display: flex;
  gap: 1rem;
  margin-top: 2.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
}
.pager a {
  flex: 1 1 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--border);
  border-radius: 0.5rem;
  text-decoration: none;
}
.pager a:hover { background: var(--surface); }
.pager span { display: block; font-size: 0.8rem; color: var(--muted); }
.pager-next { margin-left: auto; text-align: right; }

@media (max-width: 36em) {
  .pager { flex-direction: column; }
  .pager-next { margin-left: 0; text-align: left; }
  .derecha, .right, .izquierda { float: none; max-width: 100%; margin: 0 0 1rem; }
}

/* Pie */

.site-footer {
  max-width: var(--wide);
  margin: 0 auto;
  padding: 1.5rem var(--gutter);
  border-top: 1px solid var(--border);
  font-size: 0.9rem;
  color: var(--muted);
}
.site-footer p { margin: 0; text-align: center; }
.site-footer ul { display: flex; flex-wrap: wrap; gap: 0.25rem 1.25rem; margin: 0; padding: 0; list-style: none; }
.site-footer a, .link-button { color: var(--muted); }
.link-button { padding: 0; border: 0; background: none; font: inherit; text-decoration: underline; cursor: pointer; }