/*
 * Local theme for the ENNA study guide.
 * The palette and component proportions are adapted from a supplied visual
 * reference. This stylesheet does not claim compliance with, or implement,
 * any external design system or token package.
 */

:root,
[data-md-color-scheme="thousandeyes"] {
  --site-bg-default: #f2f5fa;
  --site-bg-surface: #ffffff;
  --site-bg-secondary: #f2f5fa;
  --site-border-default: #d7dfe9;
  --site-border-medium: #e1e7ef;
  --site-border-strong: #586372;
  --site-text-default: #1f2630;
  --site-text-heading: #2e3742;
  --site-text-medium: #3b4653;
  --site-text-weak: #495462;
  --site-interact: #1d69cc;
  --site-interact-hover: #0d5cbd;
  --site-interact-weak: #cce1ff;
  --site-control-secondary: #e1e7ef;
  --site-nav-hover: rgb(31 38 48 / 10%);
  --site-nav-active: rgb(31 38 48 / 5%);
  --site-accent: #198cb3;
  --site-focus: #3e84e5;
  --site-shadow: 0 1px 2px rgb(0 0 0 / 5%);
  --md-default-bg-color: var(--site-bg-default);
  --md-default-bg-color--light: var(--site-bg-surface);
  --md-default-fg-color: var(--site-text-default);
  --md-default-fg-color--light: var(--site-text-medium);
  --md-default-fg-color--lighter: var(--site-text-weak);
  --md-primary-fg-color: var(--site-bg-surface);
  --md-primary-bg-color: var(--site-text-default);
  --md-accent-fg-color: var(--site-interact);
  --md-typeset-a-color: var(--site-interact);
  --md-footer-bg-color: var(--site-bg-default);
  --md-footer-bg-color--dark: var(--site-bg-default);
}

[data-md-color-scheme="slate"] {
  --site-bg-default: #0b1118;
  --site-bg-surface: #131a23;
  --site-bg-secondary: #1b232d;
  --site-border-default: #414a56;
  --site-border-medium: #232c36;
  --site-border-strong: #929aa4;
  --site-text-default: #ecf0f5;
  --site-text-heading: #d3d8df;
  --site-text-medium: #bbc1c9;
  --site-text-weak: #a6adb6;
  --site-interact: #649ef5;
  --site-interact-hover: #7cadf7;
  --site-interact-weak: #223249;
  --site-control-secondary: #223249;
  --site-nav-hover: rgb(255 255 255 / 10%);
  --site-nav-active: #1b232d;
  --site-accent: #1f92b7;
  --site-focus: #7cadf7;
  --site-shadow: 0 1px 2px rgb(0 0 0 / 35%);
  --md-default-bg-color: var(--site-bg-default);
  --md-default-bg-color--light: var(--site-bg-surface);
  --md-default-fg-color: var(--site-text-default);
  --md-default-fg-color--light: var(--site-text-medium);
  --md-default-fg-color--lighter: var(--site-text-weak);
  --md-primary-fg-color: var(--site-bg-secondary);
  --md-primary-bg-color: var(--site-text-default);
  --md-accent-fg-color: var(--site-interact);
  --md-typeset-a-color: var(--site-interact);
  --md-footer-bg-color: var(--site-bg-default);
  --md-footer-bg-color--dark: var(--site-bg-default);
}

html,
body,
.md-typeset,
.md-nav,
.md-header,
.md-tabs,
.md-footer {
  font-family: "Geist", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

body,
.md-main,
.md-sidebar {
  color: var(--site-text-default);
  background: var(--site-bg-default);
}

/* Header and primary navigation use the reference's compact 56px geometry. */
.md-header {
  min-height: 2.8rem;
  color: var(--site-text-default);
  background: var(--site-bg-surface);
  border: 0;
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-header {
  color: var(--site-text-default);
  background: var(--site-bg-surface);
  box-shadow: none;
}

[data-md-color-scheme="slate"] .md-tabs {
  background: var(--site-bg-surface);
}

[data-md-color-scheme="slate"] .md-main,
[data-md-color-scheme="slate"] .md-sidebar,
[data-md-color-scheme="slate"] .md-footer,
[data-md-color-scheme="slate"] .md-footer__inner,
[data-md-color-scheme="slate"] .md-footer-meta {
  background: var(--site-bg-default);
}

.md-header__inner {
  min-height: 2.8rem;
  padding-block: 0.5rem;
}

.md-header__button {
  width: 1.8rem;
  height: 1.8rem;
  padding: 0.4rem;
  border-radius: 0.4rem;
}

.md-header__button:hover {
  background: var(--site-nav-hover);
}

.md-header__button:focus-visible,
.md-search__input:focus-visible,
.md-typeset a:focus-visible,
.md-typeset button:focus-visible,
.md-nav__link:focus-visible {
  outline: 2px solid var(--site-focus);
  outline-offset: 2px;
}

.md-header__button.md-logo {
  display: grid;
  width: 1.8rem;
  padding: 0;
  place-items: center;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  width: 1.6rem;
  height: 1.6rem;
}

.md-header__title {
  margin-left: 0.8rem;
}

.md-header__topic:first-child {
  color: var(--site-text-heading);
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}

.md-search__form {
  border: 0;
  border-radius: 0.4rem;
  background: var(--site-bg-default);
}

.md-search__input {
  font-size: 0.7rem;
}

.md-tabs {
  color: var(--site-text-medium);
  background: var(--site-bg-surface);
  border: 0;
  box-shadow: none;
}

.md-tabs__list {
  min-height: 1.9rem;
}

.md-tabs__item {
  height: 1.9rem;
  padding-inline: 0.4rem;
}

.md-tabs__link {
  position: relative;
  margin-top: 0;
  padding: 0.45rem 0.4rem 0.35rem;
  color: var(--site-text-medium);
  font-size: 0.65rem;
  font-weight: 400;
  line-height: 1;
  opacity: 1;
}

.md-tabs__link:hover,
.md-tabs__item--active .md-tabs__link {
  color: var(--site-text-default);
}

.md-tabs__item--active .md-tabs__link {
  font-weight: 700;
}

/* Side navigation uses compact 40px items and a restrained selected state. */
.md-sidebar__scrollwrap {
  scrollbar-color: var(--site-border-default) transparent;
}

.md-sidebar__inner {
  padding-right: 0.8rem;
}

.md-nav {
  color: var(--site-text-medium);
  font-size: 0.65rem;
  line-height: 1.45;
}

.md-nav__list {
  row-gap: 0.1rem;
}

.md-nav__link {
  position: relative;
  min-height: 1.6rem;
  margin: 0.05rem 0;
  padding: 0.25rem 0.55rem 0.25rem 0.7rem;
  border-radius: 0.4rem;
  color: var(--site-text-medium);
}

.md-nav__link:hover {
  color: var(--site-text-default);
  background: var(--site-nav-hover);
}

.md-nav__link--active,
.md-nav__item .md-nav__link--active {
  color: var(--site-text-default);
  font-weight: 650;
  background: var(--site-nav-active);
}

.md-nav__link--active::before {
  display: none;
}

.md-nav--secondary {
  border-left: 0;
}

/* Content uses a compact but readable project-specific type scale. */
.md-grid {
  max-width: 72rem;
}

.md-content {
  max-width: 52rem;
}

.md-main__inner {
  margin-top: 0.8rem;
}

.md-typeset {
  color: var(--site-text-default);
  font-size: 0.72rem;
  line-height: 1.45;
  letter-spacing: -0.008em;
}

.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4 {
  color: var(--site-text-heading);
  letter-spacing: -0.015em;
}

.md-typeset h1 {
  margin: 0 0 0.55rem;
  font-size: 1.1rem;
  font-weight: 720;
  line-height: 1.28;
}

.md-typeset h2 {
  margin: 1.25rem 0 0.4rem;
  padding-bottom: 0;
  border: 0;
  font-size: 0.9rem;
  font-weight: 700;
  line-height: 1.3;
}

.md-typeset h3 {
  margin: 1rem 0 0.35rem;
  font-size: 0.8rem;
  font-weight: 700;
  line-height: 1.3;
}

.md-typeset h4 {
  margin: 0.8rem 0 0.25rem;
  font-size: 0.7rem;
  font-weight: 700;
  line-height: 1.3;
  text-transform: none;
}

.md-typeset a:not(.md-button) {
  color: var(--site-interact);
  font-weight: 600;
}

.md-typeset a:not(.md-button):hover {
  color: var(--site-interact-hover);
}

/* Remove the old animated underline while preserving image-link behavior. */
.md-typeset a:not(.md-button)::after {
  display: none;
}

/* Cards use neutral surfaces and quiet interaction states. */
.md-typeset .grid.cards {
  gap: 0.6rem;
  margin: 0.7rem 0 1.1rem;
}

.md-typeset .grid.cards > ol > li,
.md-typeset .grid.cards > ul > li,
.md-typeset .grid > .card {
  padding: 0.7rem;
  border: 0;
  border-radius: 0.4rem;
  background: var(--site-bg-surface);
  box-shadow: var(--site-shadow);
}

.md-typeset .grid.cards > ol > li:hover,
.md-typeset .grid.cards > ul > li:hover,
.md-typeset .grid > .card:hover {
  background: var(--site-interact-weak);
}

/* Static reference cards are grouped content, not interactive controls. */
.md-typeset .grid.cards.static-cards > ul > li,
.md-typeset .grid.cards.static-cards > ul > li:hover {
  cursor: default;
  transform: none;
  transition: none;
}

[data-md-color-scheme="thousandeyes"]
  .md-typeset
  .grid.cards.static-cards
  > ul
  > li,
[data-md-color-scheme="thousandeyes"]
  .md-typeset
  .grid.cards.static-cards
  > ul
  > li:hover {
  border-color: #dfe4eb;
  background: #f6f8fb;
  box-shadow: none;
}

[data-md-color-scheme="slate"]
  .md-typeset
  .grid.cards.static-cards
  > ul
  > li,
[data-md-color-scheme="slate"]
  .md-typeset
  .grid.cards.static-cards
  > ul
  > li:hover {
  border-color: #373c42;
  background: #2c3138;
  box-shadow: none;
}

.md-typeset .grid.cards a {
  color: var(--site-interact);
  font-size: 0.7rem;
}

.md-typeset .grid.cards a:hover {
  color: var(--site-interact-hover);
}

/* Preserve the existing feedback implementation for future rerouting, but do
   not expose its antiquated destination in the current experience. */
.md-feedback {
  display: none !important;
}

/* Buttons use compact control geometry with no scale animation. */
.md-typeset .md-button {
  min-height: 1.7rem;
  height: auto;
  padding: 0.35rem 0.6rem;
  border: 0;
  border-radius: 0.3rem;
  color: var(--site-interact);
  font-size: 0.65rem;
  font-weight: 700 !important;
  letter-spacing: 0;
  line-height: 1.2;
  text-transform: none;
  transition: color 120ms ease, background-color 120ms ease, border-color 120ms ease;
}

.md-typeset .md-button:hover {
  color: var(--site-interact-hover);
  background: var(--site-interact-weak);
  transform: none;
}

.md-typeset .md-button:active {
  transform: none;
}

.md-typeset figure img {
  border-color: var(--site-border-default);
  border-radius: 0.4rem;
}

.md-typeset figcaption {
  color: var(--site-text-weak);
  font-family: inherit;
  font-size: 0.65rem;
}

/* Footer stays neutral in light mode, as in the source component. */
.md-footer,
.md-footer__inner,
.md-footer-meta {
  color: var(--site-text-default);
  background: var(--site-bg-default);
}

.md-footer {
  border-top: 0;
}

.md-footer__inner {
  padding-top: 1.2rem;
}

.md-footer-meta__inner {
  padding-top: 0.8rem;
  padding-bottom: 1.2rem;
}

.md-footer-meta__inner,
.md-footer-meta.md-typeset {
  color: var(--site-text-default);
  font-size: 0.6rem;
  line-height: 1.5;
}

.md-copyright,
.md-copyright__highlight {
  color: var(--site-text-weak);
}

html .md-footer-meta.md-typeset a,
.md-footer__link {
  color: var(--site-interact);
}

html .md-footer-meta.md-typeset a:hover,
.md-footer__link:hover {
  color: var(--site-interact-hover);
}

.md-footer__button {
  color: var(--site-interact);
}

.md-footer__link .md-footer__direction,
.md-footer__link .md-footer__button {
  color: var(--site-interact);
}

.md-footer__link .md-ellipsis {
  color: var(--site-text-default);
}

.md-social__link {
  color: var(--site-text-default) !important;
}

.md-social__link:hover,
.md-social__link:focus-visible {
  color: var(--site-interact) !important;
}

@media screen and (max-width: 76.1875em) {
  .md-nav--primary .md-nav__link,
  .md-nav--primary .md-nav__item--nested > .md-nav__link {
    font-size: 0.7rem;
  }
}

/* When the primary rail collapses, retain a deliberate tablet-size reading
   gutter instead of letting the article sit against the viewport edge. */
@media screen and (min-width: 37.5em) and (max-width: 76.1875em) {
  .md-content__inner {
    margin-inline: 1.2rem;
  }
}

@media screen and (max-width: 600px) {
  .md-main__inner {
    margin-top: 0.6rem;
  }

  .md-typeset {
    font-size: 0.7rem;
  }

  .md-typeset h1 {
    font-size: 1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}