/* Estilos del portal de metodologías de Kasai Labs. Tokens del design system de Kasai Labs
   (tema claro, oscuro y alto contraste) y tipografía de marca. Ningún color sustituye una etiqueta
   o un estado. Procedencia de fuentes y logos: ASSETS.md en la raíz del repositorio. */

/* ---------- Tipografía de marca (auto-hospedada, SIL OFL 1.1) ---------- */
@font-face { font-family: "Sora"; font-display: swap; font-style: normal; font-weight: 600 700;
  src: url("../fonts/sora/Sora-latin.woff2") format("woff2");
  unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02BB-02BC, U+02C6, U+02DA, U+02DC, U+0304, U+0308, U+0329, U+2000-206F, U+20AC, U+2122, U+2191, U+2193, U+2212, U+2215, U+FEFF, U+FFFD; }
@font-face { font-family: "Sora"; font-display: swap; font-style: normal; font-weight: 600 700;
  src: url("../fonts/sora/Sora-latin-ext.woff2") format("woff2");
  unicode-range: U+0100-02BA, U+02BD-02C5, U+02C7-02CC, U+02CE-02D7, U+02DD-02FF, U+0304, U+0308, U+0329, U+1D00-1DBF, U+1E00-1E9F, U+1EF2-1EFF, U+2020, U+20A0-20AB, U+20AD-20C0, U+2113, U+2C60-2C7F, U+A720-A7FF; }
@font-face { font-family: "Atkinson Hyperlegible"; font-display: swap; font-style: normal; font-weight: 400;
  src: url("../fonts/atkinson/AtkinsonHyperlegible-Regular.woff2") format("woff2"); }
@font-face { font-family: "Atkinson Hyperlegible"; font-display: swap; font-style: italic; font-weight: 400;
  src: url("../fonts/atkinson/AtkinsonHyperlegible-Italic.woff2") format("woff2"); }
@font-face { font-family: "Atkinson Hyperlegible"; font-display: swap; font-style: normal; font-weight: 700;
  src: url("../fonts/atkinson/AtkinsonHyperlegible-Bold.woff2") format("woff2"); }
@font-face { font-family: "Atkinson Hyperlegible"; font-display: swap; font-style: italic; font-weight: 700;
  src: url("../fonts/atkinson/AtkinsonHyperlegible-BoldItalic.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-display: swap; font-style: normal; font-weight: 400;
  src: url("../fonts/plex-mono/IBMPlexMono-Regular.woff2") format("woff2"); }
@font-face { font-family: "IBM Plex Mono"; font-display: swap; font-style: normal; font-weight: 700;
  src: url("../fonts/plex-mono/IBMPlexMono-Bold.woff2") format("woff2"); }

/* Fallbacks con métricas igualadas (valores del Showcase): evitan salto de layout al cargar. */
@font-face { font-family: "Atkinson Fallback"; src: local("Arial"), local("Helvetica Neue"), local("Segoe UI");
  size-adjust: 119.84%; ascent-override: 79.27%; descent-override: 24.20%; line-gap-override: 0%; }
@font-face { font-family: "Sora Fallback"; src: local("Arial"), local("Helvetica Neue"), local("Segoe UI");
  size-adjust: 116.74%; ascent-override: 83.09%; descent-override: 24.84%; line-gap-override: 0%; }
@font-face { font-family: "Plex Mono Fallback"; src: local("Courier New"), local("Consolas"), local("Menlo");
  size-adjust: 99.98%; ascent-override: 102.52%; descent-override: 27.50%; line-gap-override: 0%; }

/* ---------- Primitivos de marca (no cambian entre temas) ---------- */
:root {
  --kasai-color-space: #101336;     /* --bg oscuro del DS; también el chrome del sitio */
  --kasai-color-space-raised: #191c45;
  --kasai-color-blue: #2b04ba;    /* decorativo: no pasa contraste como texto */
  --kasai-color-purple: #5e30c6;  /* decorativo */
  --kasai-color-orange: #ff8243;  /* relleno y acento */
  --kasai-color-red: #ff4b3e;     /* decorativo */
  --kasai-gradient-orbit: linear-gradient(90deg, #5e30c6, #ff8243);
  --kasai-gradient-fire: linear-gradient(135deg, #5e30c6 0%, #ff4b3e 58%, #ff8243 100%);

  --md-text-font-family: "Atkinson Hyperlegible", "Atkinson Fallback", system-ui, -apple-system, "Segoe UI", sans-serif;
  --md-code-font-family: "IBM Plex Mono", "Plex Mono Fallback", ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  --kasai-font-display: "Sora", "Sora Fallback", var(--md-text-font-family);
}

/* ---------- Tema claro (lectura larga) ---------- */
:root,
[data-md-color-scheme="default"][data-md-color-primary] {
  --md-default-bg-color: #ffffff;
  --md-default-fg-color: #101a45;          /* 16.72:1 */
  --md-default-fg-color--light: #475069;   /*  8.02:1 */
  --md-default-fg-color--lighter: #575756; /*  7.23:1 */
  --md-primary-fg-color: #101336;          /* chrome del DS en ambos temas */
  --md-primary-fg-color--dark: #101336;
  --md-primary-bg-color: #f8fafc;
  --md-accent-fg-color: #ad3618;           /* brand-700 del DS: 6.33:1 sobre blanco (AA); el #ff8243 no pasa */
  --md-typeset-a-color: #ad3618;
  --md-code-bg-color: #f5f5f7;
  --md-footer-bg-color: #101336;
  --md-footer-bg-color--dark: #101336;
  --md-footer-fg-color: #f8fafc;
  --md-footer-fg-color--light: #aeb9cf;
  --md-footer-fg-color--lighter: #aeb9cf;
  --kasai-focus: #ad3618;
  --kasai-border: rgba(1, 14, 58, 0.12);
  --kasai-surface: rgba(1, 14, 58, 0.04);
  --kasai-surface-strong: rgba(1, 14, 58, 0.07);
  --kasai-text-feature: #5e30c6;
  --kasai-status-success: #146c43;
  --kasai-status-warning: #8a5a00;
  --kasai-status-danger: #b42318;
  --kasai-status-info: #195a9c;
  --kasai-status-neutral: #575756;
}

/* ---------- Tema oscuro (cósmico, como el Showcase) ---------- */
[data-md-color-scheme="slate"][data-md-color-primary] {
  --md-default-bg-color: #101336;
  --md-default-bg-color--light: #191c45;
  --md-default-bg-color--lighter: #24234f;
  --md-default-fg-color: #f8fafc;
  --md-default-fg-color--light: #bec4df;
  --md-default-fg-color--lighter: #a9aed0;
  --md-primary-fg-color: #101336;
  --md-primary-fg-color--dark: #101336;
  --md-primary-bg-color: #f8fafc;
  --md-accent-fg-color: #ff8243;
  --md-typeset-a-color: #ff8243;
  --md-code-bg-color: #191c45;
  --md-footer-bg-color: #191c45;
  --md-footer-bg-color--dark: #191c45;
  --md-footer-fg-color: #f8fafc;
  --md-footer-fg-color--light: #bec4df;
  --md-footer-fg-color--lighter: #bec4df;
  --kasai-focus: #ffb38c;
  --kasai-border: rgba(255, 255, 255, 0.12);
  --kasai-surface: rgba(255, 255, 255, 0.06);
  --kasai-surface-strong: rgba(255, 255, 255, 0.1);
  --kasai-text-feature: #c7abff;
  --kasai-status-success: #4ade80;
  --kasai-status-warning: #fbbf24;
  --kasai-status-danger: #ff6b5e;
  --kasai-status-info: #7cc4ff;
  --kasai-status-neutral: #94a3bf;
}

[data-md-color-scheme="slate"] .md-main,
[data-md-color-scheme="slate"] .md-sidebar {
  background-color: #101336;
}

/* ---------- Cabecera y pestañas ---------- */
.md-header,
.md-tabs {
  background-color: #101336;
  color: #f8fafc;
}

/* Línea de órbita: decorativa, no transmite estado. */
.md-header {
  box-shadow: none;
  border-bottom: 2px solid transparent;
  border-image: var(--kasai-gradient-orbit) 1;
}

.md-header__title,
.md-header__topic {
  font-family: var(--kasai-font-display);
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Imagotipo horizontal en negativo (blanco) sobre el chrome oscuro, según el manual de marca. */
.md-header__button.md-logo img,
.md-nav__button.md-logo img {
  height: 2.2rem;
  width: auto;
}

/* Material oculta el logo de la cabecera por debajo de 76.25em; la marca se mantiene visible. */
@media screen and (max-width: 76.234375em) {
  .md-header__button.md-logo {
    display: inline-block;
  }
}

@media screen and (max-width: 44.984375em) {
  .md-header__button.md-logo img {
    height: 1.7rem;
  }
}

.md-tabs__link {
  font-weight: 600;
  opacity: 0.85;
}

.md-tabs__item--active .md-tabs__link,
.md-tabs__link:hover {
  opacity: 1;
  color: #ffb38c;
}

/* ---------- Texto ---------- */
.md-typeset {
  font-size: 0.85rem;
  line-height: 1.65;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3 {
  font-family: var(--kasai-font-display);
  color: var(--md-default-fg-color);
  letter-spacing: -0.02em;
}

.md-typeset h1 {
  font-weight: 700;
}

.md-typeset h2,
.md-typeset h3 {
  font-weight: 600;
}

.md-typeset table:not([class]) {
  font-size: 0.875rem;
  border: 1px solid var(--kasai-border);
}

.md-typeset table:not([class]) th {
  font-weight: 700;
  background-color: var(--kasai-surface-strong);
}

.md-typeset table:not([class]) tr:hover {
  background-color: var(--kasai-surface);
}

/* Título principal: trazo de órbita decorativo; no transmite estado. */
.md-typeset h1::after {
  content: "";
  display: block;
  width: 3rem;
  height: 3px;
  margin-top: 0.6rem;
  border-radius: 2px;
  background: var(--kasai-gradient-orbit);
}

::selection {
  background-color: rgba(255, 130, 67, 0.3);
}

/* ---------- Avisos con colores de estado del DS (el título siempre nombra el tipo) ---------- */
.md-typeset .admonition,
.md-typeset details {
  border-width: 1px;
  border-color: var(--kasai-border);
  background-color: var(--kasai-surface);
  box-shadow: none;
}

.md-typeset :is(.note, .info, .abstract, .question) { --kasai-admonition: var(--kasai-status-info); }
.md-typeset :is(.tip, .success) { --kasai-admonition: var(--kasai-status-success); }
.md-typeset :is(.warning, .caution, .attention) { --kasai-admonition: var(--kasai-status-warning); }
.md-typeset :is(.danger, .error, .failure, .bug) { --kasai-admonition: var(--kasai-status-danger); }
.md-typeset :is(.example, .quote) { --kasai-admonition: var(--kasai-status-neutral); }

[dir=ltr] .md-typeset :is(.admonition, details) {
  border-left: 4px solid var(--kasai-admonition, var(--kasai-status-info));
}

.md-typeset :is(.admonition, details) > :is(.admonition-title, summary) {
  background-color: color-mix(in srgb, var(--kasai-admonition, var(--kasai-status-info)) 12%, transparent);
}

.md-typeset :is(.admonition, details) > :is(.admonition-title, summary)::before {
  background-color: var(--kasai-admonition, var(--kasai-status-info));
}

.md-typeset blockquote {
  color: var(--md-default-fg-color--light);
}

[dir=ltr] .md-typeset blockquote {
  border-left: 3px solid var(--md-accent-fg-color);
}

[dir=rtl] .md-typeset blockquote {
  border-right: 3px solid var(--md-accent-fg-color);
}

.md-typeset a:not(.md-button) {
  text-decoration: underline;
  text-underline-offset: 0.16em;
}

.md-nav__link--active {
  font-weight: 700;
}

/* ---------- Foco y accesibilidad ---------- */
:where(a, button, input, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--kasai-focus);
  outline-offset: 3px;
}

/* El enlace de salto mantiene el foco por encima de la cabecera fija. */
.md-skip:focus,
.md-skip.focus-visible {
  z-index: 100;
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-contrast: more) {
  [data-md-color-scheme="slate"][data-md-color-primary] {
    --md-default-bg-color: #000810;
    --kasai-border: rgba(255, 255, 255, 0.4);
    --md-default-fg-color: #ffffff;
    --md-default-fg-color--light: #e6ecff;
    --md-default-fg-color--lighter: #cfd8ff;
    --md-typeset-a-color: #ffd9c2;
    --md-accent-fg-color: #ffd9c2;
    --kasai-focus: #ffffff;
  }
  [data-md-color-scheme="default"][data-md-color-primary] {
    --md-default-fg-color: #000000;
    --kasai-border: rgba(0, 0, 0, 0.5);
    --md-default-fg-color--light: #1a1a1a;
    --md-default-fg-color--lighter: #1a1a1a;
    --md-typeset-a-color: #6b2408;
    --md-accent-fg-color: #6b2408;
    --kasai-focus: #000000;
  }
  :where(a, button, input, summary, [tabindex]):focus-visible {
    outline-width: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    scroll-behavior: auto !important;
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

@media (forced-colors: active) {
  :where(a, button, input, summary, [tabindex]):focus-visible {
    outline-color: Highlight;
  }
  .md-header {
    border-image: none;
  }
}


/* Ampliación accesible de los diagramas SVG y Mermaid. */
.md-typeset :is(img.diagram-zoomable, .mermaid svg.diagram-zoomable) {
  cursor: zoom-in;
}
.md-typeset :is(img.diagram-zoomable, .mermaid svg.diagram-zoomable):focus-visible {
  outline: 3px solid var(--kasai-focus);
  outline-offset: 4px;
  border-radius: .25rem;
}
.diagram-zoom {
  width: min(96vw, 88rem);
  max-width: none;
  max-height: 96dvh;
  padding: .75rem;
  border: 1px solid transparent;
  border-radius: 1rem;
  color: var(--md-default-fg-color);
  background:
    linear-gradient(var(--md-default-bg-color), var(--md-default-bg-color)) padding-box,
    var(--kasai-gradient-orbit) border-box;
  box-shadow: 0 1.5rem 4rem rgba(16, 19, 54, .42);
}
.diagram-zoom::backdrop {
  background: rgba(16, 19, 54, .78);
  backdrop-filter: blur(4px);
}
.diagram-zoom__toolbar,
.diagram-zoom__controls {
  display: flex;
  align-items: center;
  gap: .5rem;
}
.diagram-zoom__toolbar {
  justify-content: space-between;
  padding: .15rem .15rem .65rem;
}
.diagram-zoom__controls button,
.diagram-zoom__close {
  min-width: 2.5rem;
  min-height: 2.5rem;
  border: 1px solid var(--kasai-border);
  border-radius: .55rem;
  color: var(--md-default-fg-color);
  background: var(--kasai-surface);
  font: inherit;
  cursor: pointer;
}
.diagram-zoom__controls button:hover,
.diagram-zoom__close:hover {
  background: var(--kasai-surface-strong);
}
.diagram-zoom :is(button, .diagram-zoom__viewport):focus-visible {
  outline: 3px solid var(--kasai-focus);
  outline-offset: 2px;
}
.diagram-zoom__level {
  min-width: 4.5rem !important;
  font-family: var(--md-code-font-family) !important;
  font-size: .8rem !important;
}
.diagram-zoom__close {
  color: var(--kasai-text-feature);
  font-size: 1.5rem;
  line-height: 1;
}
.diagram-zoom__viewport {
  display: grid;
  max-height: calc(96dvh - 7rem);
  overflow: auto;
  place-items: center;
  border-radius: .55rem;
  background: var(--kasai-surface);
  overscroll-behavior: contain;
}
.diagram-zoom__image {
  display: block;
  max-width: none !important;
  height: auto;
  margin: auto;
  cursor: zoom-in;
}
.diagram-zoom__caption {
  margin: .55rem .25rem 0;
  color: var(--md-default-fg-color--light);
  font-size: .82rem;
}

/* Foco legible sobre la cabecera y el pie oscuros en ambos temas. */
.md-header, .md-tabs, .md-footer { --kasai-focus: #ffb38c; }

/* Tarjetas de elección: mismo orden de lectura y foco, una columna en móvil. */
.md-typeset .methodology-cards { grid-template-columns: repeat(auto-fit, minmax(min(100%, 15rem), 1fr)); }
.md-typeset .grid.cards.methodology-cards > ul > li {
  display: flex;
  flex-direction: column;
  border-color: var(--kasai-border);
  border-radius: .5rem;
  background: var(--kasai-surface);
  padding: 1rem;
}
.md-typeset .methodology-cards h2 { margin-top: 0; font-size: 1.1rem; }
.md-typeset .methodology-cards li > p:last-child { margin-top: auto; padding-top: .5rem; }
[data-md-toggle="search"]:checked ~ .md-header .md-search { --kasai-focus: #ff8243; } /* el foco vive sobre el header oscuro en ambos temas */


/* Búsqueda: superficies, acento y foco del sistema visual Kasai Labs. */
.md-search__form {
  overflow: hidden;
  border: 1px solid transparent;
  border-radius: .75rem;
  background:
    linear-gradient(var(--md-default-bg-color), var(--md-default-bg-color)) padding-box,
    var(--kasai-gradient-orbit) border-box;
  box-shadow: 0 .75rem 2rem rgba(16, 19, 54, .22);
  transition: box-shadow .18s ease;
}
.md-search__form:focus-within {
  outline: 2px solid var(--kasai-focus);
  outline-offset: 2px;
  box-shadow: 0 .9rem 2.25rem rgba(16, 19, 54, .28);
}
.md-search__input {
  color: var(--md-default-fg-color);
  caret-color: var(--kasai-text-feature);
  font-family: var(--md-text-font-family);
}
.md-search__input::placeholder {
  color: var(--md-default-fg-color--light);
  opacity: 1;
}
.md-search__icon { color: var(--kasai-text-feature); }
.md-search-result__link {
  border-radius: .45rem;
  transition: background-color .15s ease;
}
.md-search-result__link:is(:hover, :focus-visible) {
  background-color: var(--kasai-surface-strong);
}
/* Búsqueda redonda: Material aplana las esquinas al abrirla; se restauran con la misma especificidad y mayor orden. */
.md-search__form,
[data-md-toggle="search"]:checked ~ .md-header .md-search__form {
  border-radius: 999px;
}
.md-search__input { padding-inline: 2.4rem 1rem; }
[dir] .md-search__output {
  margin-top: .4rem;
  border: 1px solid var(--kasai-border);
  border-radius: 1rem;
  background: var(--md-default-bg-color);
  box-shadow: 0 .75rem 2rem rgba(16, 19, 54, .22);
}
[dir] .md-search-result__link { border-radius: .6rem; margin-inline: .3rem; }
@media (prefers-reduced-motion: reduce) {
  .md-search__form, .md-search__output, .md-search-result__link { transition: none; }
}

@media screen and (max-width: 44.984375em) {
  .md-header__title { margin-inline-start: .3rem; }
  .md-header__button.md-logo img { max-width: 7rem; object-fit: contain; }
  .md-typeset .methodology-cards { grid-template-columns: 1fr; }
}

/* Conserva todos los controles de cabecera en pantallas de 320 px. */
@media screen and (max-width: 24em) {
  .md-header .md-header__button { margin-inline: .1rem; }
  .md-header__button.md-logo img { height: 1.5rem; }
  [dir] .md-header__title { margin-inline: 0; min-width: 0; }
}