/* ----------------------------------------------------------------------------
 * CMS ML Documentation — custom theme
 * CERN/CMS blue identity, navy header and hero, card-based home page.
 * mkdocs.yml sets the palette to "custom", so the colors below take effect.
 * -------------------------------------------------------------------------- */

/* Colors ---------------------------------------------------------------------- */

:root {
  --cms-navy-950: #040b1a;
  --cms-navy-900: #071630;
  --cms-navy-800: #0a2347;
  --cms-header-bg: var(--cms-navy-900);
}

/* Light scheme (Material reads these from <body>, hence :root > *) */
:root > * {
  --md-primary-fg-color: #0053a1;
  --md-primary-fg-color--light: #2b74c4;
  --md-primary-fg-color--dark: #003c74;
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: rgba(255, 255, 255, 0.7);
  --md-accent-fg-color: #e07b00;
  --md-accent-fg-color--transparent: rgba(224, 123, 0, 0.1);
  --md-accent-bg-color: #ffffff;
  --md-accent-bg-color--light: rgba(255, 255, 255, 0.7);
  --md-typeset-a-color: #0053a1;
  --md-footer-bg-color: var(--cms-navy-900);
  --md-footer-bg-color--dark: var(--cms-navy-950);

  --cms-surface: #ffffff;
  --cms-surface-muted: #f5f8fc;
  --cms-tint: #eaf2fb;
  --cms-border: rgba(2, 32, 71, 0.12);
  --cms-border-strong: rgba(2, 32, 71, 0.22);
  --cms-shadow: rgba(2, 18, 43, 0.12);
}

/* Dark scheme */
[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #6db3ff;
  --md-primary-fg-color--light: #9cc9ff;
  --md-primary-fg-color--dark: #3e8ee8;
  --md-primary-bg-color: #04122a;
  --md-primary-bg-color--light: rgba(4, 18, 42, 0.7);
  --md-accent-fg-color: #ffb055;
  --md-accent-fg-color--transparent: rgba(255, 176, 85, 0.12);
  --md-accent-bg-color: #04122a;
  --md-accent-bg-color--light: rgba(4, 18, 42, 0.7);
  --md-typeset-a-color: #6db3ff;
  --md-default-bg-color: hsla(222, 42%, 9%, 1);
  --md-default-bg-color--light: hsla(222, 42%, 9%, 0.54);
  --md-default-bg-color--lighter: hsla(222, 42%, 9%, 0.26);
  --md-default-bg-color--lightest: hsla(222, 42%, 9%, 0.07);
  --md-code-bg-color: #101a2e;

  --cms-surface: #111b30;
  --cms-surface-muted: #0e1729;
  --cms-tint: #15264a;
  --cms-border: rgba(120, 170, 255, 0.14);
  --cms-border-strong: rgba(120, 170, 255, 0.3);
  --cms-shadow: rgba(0, 0, 0, 0.45);
}

/* Layout -------------------------------------------------------------------- */

/* Wider than Material's default, but capped so lines stay readable */
.md-grid {
  max-width: 80rem;
}

@media screen and (min-width: 76.25em) {
  .md-typeset {
    font-size: 0.85rem;
    line-height: 1.75;
  }
}

/* Announcement bar ---------------------------------------------------------- */

.md-banner {
  background-color: var(--cms-navy-950);
  color: rgba(255, 255, 255, 0.82);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

.md-banner .md-banner__inner {
  margin: 0.5rem auto;
  font-size: 0.72rem;
}

.md-banner strong {
  color: #ffffff;
}

.md-banner a {
  color: #ffb055;
  font-weight: 600;
}

.md-banner a:hover {
  color: #ffc47e;
}

.cms-announce {
  margin: 0;
}

.cms-announce__tag {
  display: inline-block;
  margin-right: 0.45rem;
  padding: 0.05rem 0.45rem;
  border: 1px solid rgba(255, 176, 85, 0.45);
  border-radius: 999px;
  color: #ffb055;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  vertical-align: 0.08em;
}

.cms-announce__sep {
  margin: 0 0.5rem;
  opacity: 0.4;
}

@media screen and (max-width: 59.9844em) {
  .cms-announce__extra,
  .cms-announce__sep {
    display: none;
  }
}

/* Header and tabs ----------------------------------------------------------- */

.md-header,
.md-tabs {
  --md-primary-bg-color: #ffffff;
  --md-primary-bg-color--light: rgba(255, 255, 255, 0.72);
  background-color: var(--cms-header-bg);
  color: #ffffff;
}

.md-header {
  box-shadow: none;
}

.md-header--shadow {
  box-shadow:
    0 0 0.2rem rgba(0, 0, 0, 0.1),
    0 0.2rem 0.8rem rgba(2, 10, 26, 0.35);
}

.md-header__title {
  font-weight: 600;
}

.md-header__button.md-logo img,
.md-header__button.md-logo svg {
  height: 1.6rem;
  width: auto;
  border-radius: 0.3rem;
}

.md-tabs__link {
  font-weight: 500;
}

.md-tabs__item {
  position: relative;
}

.md-tabs__item--active .md-tabs__link {
  color: #ffffff;
  font-weight: 600;
  opacity: 1;
}

.md-tabs__item--active::after {
  content: "";
  position: absolute;
  right: 0.6rem;
  bottom: 0;
  left: 0.6rem;
  height: 2px;
  border-radius: 2px 2px 0 0;
  background-color: #ffb055;
}

@media screen and (min-width: 60em) {
  .md-search__form {
    border-radius: 0.45rem;
    background-color: rgba(255, 255, 255, 0.08);
  }

  .md-search__form:hover {
    background-color: rgba(255, 255, 255, 0.14);
  }
}

/* Mobile drawer title uses the header color too */
.md-nav--primary .md-nav__title[for="__drawer"] {
  background-color: var(--cms-header-bg);
  color: #ffffff;
}

/* Typography ------------------------------------------------------------------ */

.md-typeset h1 {
  margin-bottom: 1rem;
  color: var(--md-default-fg-color);
  font-weight: 700;
  letter-spacing: -0.02em;
}

.md-typeset h2 {
  font-weight: 650;
  letter-spacing: -0.01em;
}

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

.md-typeset dt {
  font-weight: 600;
}

.md-typeset code {
  border-radius: 0.25rem;
}

.md-typeset pre > code {
  border-radius: 0.45rem;
}

.md-typeset .highlight span.filename {
  border-radius: 0.45rem 0.45rem 0 0;
}

.md-typeset .highlight span.filename + pre > code {
  border-top-left-radius: 0;
  border-top-right-radius: 0;
}

.md-typeset table:not([class]) {
  border: 1px solid var(--cms-border);
  border-radius: 0.5rem;
  font-size: 0.7rem;
}

.md-typeset table:not([class]) th {
  background-color: var(--cms-surface-muted);
}

/* Keep identifiers in the first column (skill names, options) on one line */
.md-typeset table:not([class]) td:first-child > code {
  white-space: nowrap;
}

/* Buttons ------------------------------------------------------------------- */

.md-typeset .md-button {
  padding: 0.55em 1.3em;
  border-width: 1px;
  border-radius: 0.5rem;
  font-weight: 600;
}

.md-typeset .md-button > .twemoji {
  margin-right: 0.35em;
}

.cms-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.2rem 0 0;
}

.md-typeset .cms-actions > p {
  display: contents;
}

/* Sidebar navigation ------------------------------------------------------ */

.md-nav__link--active {
  font-weight: 600;
}

/* Hero (rendered from overrides/main.html on the home page only) ------------- */

.cms-hero {
  position: relative;
  overflow: hidden;
  color: #ffffff;
  background:
    radial-gradient(
      ellipse 70% 80% at 78% -20%,
      rgba(77, 151, 255, 0.35),
      transparent 60%
    ),
    radial-gradient(
      ellipse 60% 70% at 8% 120%,
      rgba(224, 123, 0, 0.22),
      transparent 55%
    ),
    linear-gradient(170deg, #050d1f 0%, #082a52 70%, #0b3a72 120%);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
}

/* Faint dot grid that fades out toward the edges */
.cms-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(
    rgba(255, 255, 255, 0.09) 1px,
    transparent 1.4px
  );
  background-size: 22px 22px;
  -webkit-mask-image: radial-gradient(
    ellipse 70% 80% at 50% 40%,
    #000 30%,
    transparent 100%
  );
  mask-image: radial-gradient(
    ellipse 70% 80% at 50% 40%,
    #000 30%,
    transparent 100%
  );
  pointer-events: none;
}

.cms-hero__inner {
  position: relative;
  max-width: 46rem;
  margin: 0 auto;
  padding: 3rem 1rem 2.8rem;
  text-align: center;
}

.cms-hero__eyebrow {
  margin: 0 0 0.9rem;
  color: #9cc7ff;
  font-size: 0.66rem;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
}

.cms-hero__title {
  max-width: 20ch;
  margin: 0 auto 0.9rem;
  color: #ffffff;
  font-size: clamp(1.6rem, 4.2vw, 2.6rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.1;
}

.cms-hero__subtitle {
  max-width: 36rem;
  margin: 0 auto 1.7rem;
  color: rgba(255, 255, 255, 0.8);
  font-size: clamp(0.8rem, 1.6vw, 0.95rem);
  line-height: 1.65;
}

.cms-hero__actions {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.65rem;
}

/* The hero sits outside .md-typeset, so its buttons are styled from scratch */
.cms-hero .md-button {
  display: inline-flex;
  align-items: center;
  gap: 0.45em;
  padding: 0.65em 1.35em;
  border: 1px solid rgba(255, 255, 255, 0.35);
  border-radius: 0.55rem;
  color: #ffffff;
  font-size: 0.78rem;
  font-weight: 600;
  transition:
    background-color 0.15s ease,
    border-color 0.15s ease,
    color 0.15s ease;
}

.cms-hero .md-button svg {
  width: 1.15em;
  height: 1.15em;
  fill: currentColor;
}

.cms-hero .md-button:hover,
.cms-hero .md-button:focus-visible {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.cms-hero .md-button--primary {
  border-color: #ffffff;
  background-color: #ffffff;
  color: #003c74;
}

.cms-hero .md-button--primary:hover,
.cms-hero .md-button--primary:focus-visible {
  border-color: #e3eefb;
  background-color: #e3eefb;
  color: #003c74;
}

@media screen and (min-width: 76.25em) {
  .cms-hero__inner {
    padding: 4.2rem 1rem 3.8rem;
  }
}

/* Home page sections ---------------------------------------------------------- */

.md-typeset .cms-section-label {
  margin: 0.4rem 0 0.9rem;
  color: var(--md-default-fg-color--light);
  font-size: 0.66rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

/* Card grid */

.cms-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  margin: 0 0 2rem;
}

@media screen and (min-width: 45em) {
  .cms-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media screen and (min-width: 76.25em) {
  .cms-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.md-typeset .cms-cards > p {
  display: contents;
}

.md-typeset .cms-card {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  padding: 1.2rem 1.25rem 1.15rem;
  border: 1px solid var(--cms-border);
  border-radius: 0.75rem;
  background-color: var(--cms-surface);
  color: inherit;
  text-decoration: none;
  transition:
    transform 0.18s ease,
    box-shadow 0.18s ease,
    border-color 0.18s ease;
}

.md-typeset .cms-card:hover {
  transform: translateY(-2px);
  border-color: var(--cms-border-strong);
  box-shadow: 0 0.6rem 1.4rem var(--cms-shadow);
  color: inherit;
}

.md-typeset .cms-card:focus-visible {
  outline: 2px solid var(--md-accent-fg-color);
  outline-offset: 2px;
}

.cms-card__icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.1rem;
  height: 2.1rem;
  margin-bottom: 0.35rem;
  border-radius: 0.55rem;
  background-color: var(--cms-tint);
  color: var(--md-primary-fg-color);
  font-size: 1.05rem;
  line-height: 1;
}

.md-typeset .cms-card__icon .twemoji {
  vertical-align: middle;
}

.cms-card__title {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  color: var(--md-default-fg-color);
  font-size: 0.88rem;
  font-weight: 700;
  line-height: 1.3;
}

.cms-card__title::after {
  content: "→";
  color: var(--md-primary-fg-color);
  opacity: 0;
  transform: translateX(-0.25rem);
  transition:
    opacity 0.18s ease,
    transform 0.18s ease;
}

.cms-card:hover .cms-card__title::after,
.cms-card:focus-visible .cms-card__title::after {
  opacity: 1;
  transform: none;
}

.cms-card__desc {
  color: var(--md-default-fg-color--light);
  font-size: 0.74rem;
  line-height: 1.55;
}

/* Marketplace spotlight */

.cms-spotlight {
  --md-code-fg-color: #e6edf7;
  --md-code-bg-color: rgba(2, 8, 20, 0.55);
  --md-code-bg-color--light: rgba(255, 255, 255, 0.06);
  --md-code-bg-color--lighter: transparent;
  --md-default-fg-color--light: rgba(255, 255, 255, 0.7);
  --md-default-fg-color--lightest: rgba(255, 255, 255, 0.35);
  --md-accent-fg-color: #ffb055;

  display: grid;
  /* minmax(0, …) lets the code block scroll instead of widening the panel */
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 1.4rem;
  margin: 0 0 2rem;
  padding: 1.5rem 1.4rem;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 1rem;
  background:
    radial-gradient(
      ellipse 55% 90% at 100% 0%,
      rgba(77, 151, 255, 0.3),
      transparent 60%
    ),
    radial-gradient(
      ellipse 45% 70% at 0% 100%,
      rgba(224, 123, 0, 0.2),
      transparent 60%
    ),
    linear-gradient(150deg, #071630 0%, #0a2a55 100%);
  color: rgba(255, 255, 255, 0.82);
}

@media screen and (min-width: 60em) {
  .cms-spotlight {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: 2.2rem;
    padding: 2.2rem 2.4rem;
  }
}

.md-typeset .cms-spotlight h2 {
  margin: 0.6rem 0 0.6rem;
  color: #ffffff;
  font-size: 1.35rem;
  font-weight: 750;
  letter-spacing: -0.02em;
}

.md-typeset .cms-spotlight p {
  margin: 0 0 0.6rem;
}

.md-typeset .cms-spotlight a:not(.md-button) {
  color: #9cc7ff;
}

.md-typeset .cms-spotlight .headerlink {
  display: none;
}

.md-typeset .cms-spotlight .md-button {
  border-color: rgba(255, 255, 255, 0.35);
  color: #ffffff;
}

.md-typeset .cms-spotlight .md-button:hover,
.md-typeset .cms-spotlight .md-button:focus-visible {
  border-color: #ffffff;
  background-color: rgba(255, 255, 255, 0.1);
  color: #ffffff;
}

.md-typeset .cms-spotlight .md-button--primary {
  border-color: #ffffff;
  background-color: #ffffff;
  color: #003c74;
}

.md-typeset .cms-spotlight .md-button--primary:hover,
.md-typeset .cms-spotlight .md-button--primary:focus-visible {
  border-color: #e3eefb;
  background-color: #e3eefb;
  color: #003c74;
}

.md-typeset .cms-spotlight .highlight {
  margin: 0;
}

.md-typeset .cms-spotlight pre > code {
  border: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.72rem;
  line-height: 1.8;
}

.md-typeset .cms-spotlight .cms-spotlight__code-label {
  margin: 0 0 0.45rem;
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.64rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.cms-pill {
  display: inline-block;
  padding: 0.1rem 0.55rem;
  border: 1px solid rgba(255, 176, 85, 0.4);
  border-radius: 999px;
  background-color: rgba(255, 176, 85, 0.12);
  color: #ffb055;
  font-size: 0.6rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
}

/* Newsletter banner */

.cms-banner {
  margin: 0 0 2rem;
  padding: 1rem 1.2rem;
  border: 1px solid var(--cms-border);
  border-radius: 0.75rem;
  background-color: var(--cms-surface-muted);
}

.md-typeset .cms-banner p {
  margin: 0;
}

.md-typeset .cms-banner .twemoji {
  margin-right: 0.35rem;
  color: var(--md-accent-fg-color);
  font-size: 1.25em;
  vertical-align: -0.2em;
}

/* About text at the bottom of the home page */

.md-typeset .cms-about {
  margin: 0 0 1rem;
  padding-top: 1.4rem;
  border-top: 1px solid var(--cms-border);
  color: var(--md-default-fg-color--light);
  font-size: 0.78rem;
}

.md-typeset .cms-about p {
  margin: 0 0 0.5rem;
}

/* Content pages ------------------------------------------------------------ */

/* Larger intro paragraph under a page title */
.md-typeset .cms-lead {
  color: var(--md-default-fg-color--light);
  font-size: 1.05em;
}

/* Accessibility --------------------------------------------------------------- */

@media (prefers-reduced-motion: reduce) {
  .md-typeset .cms-card,
  .md-typeset .cms-card:hover,
  .cms-card__title::after {
    transition: none;
    transform: none;
  }
}