/* Space Grotesk for marketing/publication-feel headings (hero title, header
   site title). Body text remains IBM Plex Sans (set via mkdocs.yml).
   Variable font: weight axis pulled at 600 + 700. */
@import url('https://fonts.googleapis.com/css2?family=Space+Grotesk:wght@600;700&display=swap');

/* JIM Brand Colour Overrides */

/* Primary colour - JIM Purple #5A45A2 */
:root {
  --md-primary-fg-color: #5A45A2;
  --md-primary-fg-color--light: #7B68B8;
  --md-primary-fg-color--dark: #483790;
  --md-accent-fg-color: #5A45A2;
}

/* ========================================
   Light mode (Navy O6 Light palette)
   ======================================== */

[data-md-color-scheme="default"] {
  /* Header and page background */
  --md-primary-fg-color: #f3f3f3;            /* header background */
  --md-primary-fg-color--light: #f3f3f3;
  --md-primary-bg-color: #121b29;            /* header text (dark on grey) */
  --md-default-bg-color: #ffffff;            /* page background */
  --md-default-bg-color--light: #f3f3f3;

  /* Footer */
  --md-footer-bg-color: #f3f3f3;             /* match header */
  --md-footer-bg-color--dark: #e8e8e8;       /* slightly darker for prev/next nav */
  --md-footer-fg-color: #121b29;             /* dark text */
  --md-footer-fg-color--light: #4a5568;      /* secondary text */
  --md-footer-fg-color--lighter: #4a5568;

  /* Search */
  --md-primary-bg-color--light: #4a5568;     /* search placeholder text */

  /* Links */
  --md-typeset-a-color: #0076d3;             /* --jim-link-color */
  --md-accent-fg-color: #0076d3;

}

/* Light mode — search bar styling */
[data-md-color-scheme="default"] .md-search__input {
  background-color: #ffffff;                 /* white input on grey header */
  border: 1px solid rgba(30, 58, 95, 0.28);  /* --mud-palette-lines-default */
}

/* Light mode: header/footer border to separate from page */
[data-md-color-scheme="default"] .md-header,
[data-md-color-scheme="default"] .md-footer {
  border-bottom: 1px solid rgba(30, 58, 95, 0.12);
}

/* Light mode: when tabs row is present, shift the separator to its bottom edge */
[data-md-color-scheme="default"] .md-header:has(+ .md-tabs) {
  border-bottom: none;
}

/* Light mode: tabs bar matches the header for a unified header block */
[data-md-color-scheme="default"] .md-tabs {
  background-color: #f3f3f3;
  color: #121b29;
  border-bottom: 1px solid rgba(30, 58, 95, 0.12);
}

/* Light mode: soften the scroll drop-shadow; the default reads too strongly on a pale header */
[data-md-color-scheme="default"] .md-header--shadow {
  box-shadow: 0 0 0.2rem rgba(0, 0, 0, 0.07), 0 0.2rem 0.4rem rgba(0, 0, 0, 0.1);
}

[data-md-color-scheme="default"] .md-footer {
  border-bottom: none;
  border-top: 1px solid rgba(30, 58, 95, 0.12);
}

[data-md-color-scheme="default"] .md-typeset a:hover,
[data-md-color-scheme="default"] .md-nav__link:hover {
  color: #005da8;                            /* --jim-link-hover-color */
}

[data-md-color-scheme="default"] .md-nav__link:focus,
[data-md-color-scheme="default"] .md-nav__link:focus-visible,
[data-md-color-scheme="default"] .md-nav__link:active {
  color: #005da8;                            /* --jim-link-hover-color */
}

/* Light mode — nav active link */
[data-md-color-scheme="default"] .md-nav__link--active,
[data-md-color-scheme="default"] .md-nav__link:is([data-md-state="active"]) {
  color: #0076d3;                            /* --jim-link-color */
}

/* ========================================
   Dark mode (Navy O6 Dark palette)
   ======================================== */

[data-md-color-scheme="slate"] {
  --md-primary-fg-color: #1d1a3d;            /* header background — purple-navy bridge to brand */
  --md-primary-fg-color--light: #1d1a3d;
  --md-primary-fg-color--dark: #1d1a3d;
  --md-primary-bg-color: #e0e4ea;            /* header text (light on dark) */
  --md-default-bg-color: #051526;            /* page background */
  --md-default-bg-color--light: #0d1e30;
  --md-accent-fg-color: #7B68B8;

  /* Footer */
  --md-footer-bg-color: #0d1e30;             /* surface colour */
  --md-footer-bg-color--dark: #15293c;       /* slightly lighter for prev/next nav */
  --md-footer-fg-color: #e0e4ea;             /* light text */
  --md-footer-fg-color--light: #8a9eb4;      /* secondary text */
  --md-footer-fg-color--lighter: #8a9eb4;

  /* Search */
  --md-primary-bg-color--light: #8a9eb4;     /* search placeholder text */

  /* Links */
  --md-typeset-a-color: #67b9ff;             /* --jim-link-color */

}

/* Dark mode — search bar styling */
[data-md-color-scheme="slate"] .md-search__input {
  background-color: #0d1e30;                 /* surface colour */
  border: 1px solid #243a52;                  /* --mud-palette-lines-default */
}

/* Dark mode: tabs bar in deep plum, bridging header to purple hero */
[data-md-color-scheme="slate"] .md-tabs {
  background-color: #1d1a3d;
}

[data-md-color-scheme="slate"] .md-typeset a:hover,
[data-md-color-scheme="slate"] .md-nav__link:hover {
  color: #9ad0ff;                             /* --jim-link-hover-color */
}

[data-md-color-scheme="slate"] .md-nav__link:focus,
[data-md-color-scheme="slate"] .md-nav__link:focus-visible,
[data-md-color-scheme="slate"] .md-nav__link:active {
  color: #9ad0ff;                             /* --jim-link-hover-color */
}

/* Dark mode — nav active link */
[data-md-color-scheme="slate"] .md-nav__link--active,
[data-md-color-scheme="slate"] .md-nav__link:is([data-md-state="active"]) {
  color: #67b9ff;                             /* --jim-link-color */
}

/* ========================================
   Quick Start navigation cards
   ======================================== */

.quickstart-cards {
  margin-bottom: 2rem;
}

.quickstart-cards > ul > li {
  border: 1px solid var(--md-default-fg-color--lightest);
  transition: border-color 0.2s, box-shadow 0.2s;
}

.quickstart-cards > ul > li:hover {
  border-color: var(--md-accent-fg-color);
}

/* Material grid cards: lighten the border on hover (default behaviour fades it
   to transparent, which reads as "darker" in dark mode). 2D look — no shadow. */
.md-typeset .grid.cards > :is(ul, ol) > li:hover,
.md-typeset .grid > .card:hover {
  border-color: var(--md-default-fg-color--lighter);
  box-shadow: none;
}

/* ========================================
   Theme-aware diagram switching
   ======================================== */

/* Light mode: show light diagrams, hide dark */
[data-md-color-scheme="default"] .diagram-dark { display: none; }

/* Dark mode: show dark diagrams, hide light */
[data-md-color-scheme="slate"] .diagram-light { display: none; }

/* ========================================
   GLightbox theme-aware overlay
   ======================================== */

/* Light mode: give the image a white background so transparent SVGs look correct */
[data-md-color-scheme="default"] .gslide-image img {
  background-color: #ffffff;
  border-radius: 4px;
}

/* Dark mode: give the image a dark background matching the page surface */
[data-md-color-scheme="slate"] .gslide-image img {
  background-color: #051526;
  border-radius: 4px;
}

/* ========================================
   Homepage hero (full-bleed) and layout
   Scoped via .jim-hero / .jim-home from
   docs/overrides/home.html
   ======================================== */

.jim-hero {
  width: 100%;
  padding: 1.75rem 1rem 3.5rem;
  background: linear-gradient(135deg, #5A45A2 0%, #483790 60%, #2f2466 100%);
  color: #ffffff;
  text-align: center;
  border-bottom: 1px solid rgba(0, 0, 0, 0.15);
}

.jim-hero__inner {
  max-width: 56rem;
  margin: 0 auto;
}

.jim-hero__logo {
  width: 160px;
  height: auto;
  margin: 0 auto 1.75rem;
  display: block;
  filter: drop-shadow(0 4px 12px rgba(0, 0, 0, 0.25));
  transform-origin: 50% 50%;
  animation: jim-logo-pulse 32s ease-in-out infinite;
}

/* Four "pick up, quarter-turn, set down" actions per cycle.
   Each action takes ~3s, followed by a ~9s rest. The logo never
   rotates backwards and never moves while at rest. After four
   actions the cumulative rotation reaches 360° which equals 0°,
   so the iteration boundary is visually seamless. */
@keyframes jim-logo-pulse {
  /* --- Quarter-turn 1 (0deg -> 90deg) --- */
  0%   { transform: scale(1)    rotate(0); }
  2%   { transform: scale(1.15) rotate(0); }       /* grow */
  4%   { transform: scale(1.15) rotate(90deg); }   /* rotate while enlarged */
  6%   { transform: scale(1)    rotate(90deg); }   /* shrink, hold rotation */
  25%  { transform: scale(1)    rotate(90deg); }   /* rest */

  /* --- Quarter-turn 2 (90deg -> 180deg) --- */
  27%  { transform: scale(1.15) rotate(90deg); }
  29%  { transform: scale(1.15) rotate(180deg); }
  31%  { transform: scale(1)    rotate(180deg); }
  50%  { transform: scale(1)    rotate(180deg); }  /* rest */

  /* --- Quarter-turn 3 (180deg -> 270deg) --- */
  52%  { transform: scale(1.15) rotate(180deg); }
  54%  { transform: scale(1.15) rotate(270deg); }
  56%  { transform: scale(1)    rotate(270deg); }
  75%  { transform: scale(1)    rotate(270deg); }  /* rest */

  /* --- Quarter-turn 4 (270deg -> 360deg) --- */
  77%  { transform: scale(1.15) rotate(270deg); }
  79%  { transform: scale(1.15) rotate(360deg); }
  81%  { transform: scale(1)    rotate(360deg); }
  100% { transform: scale(1)    rotate(360deg); }  /* rest; equals rotate(0) */
}

@media (prefers-reduced-motion: reduce) {
  .jim-hero__logo {
    animation: none;
  }
}

.jim-hero__title {
  font-family: 'Space Grotesk', 'IBM Plex Sans', -apple-system, sans-serif;
  font-size: 3rem;
  font-weight: 700;
  margin: 0 0 1rem;
  line-height: 1.05;
  letter-spacing: -0.025em;
  color: #ffffff;
}

/* Header site title (and animated current-page title) in the display sans
   accent for a more "design-forward" feel. Nav, body and code remain IBM Plex. */
.md-header__title .md-ellipsis {
  font-family: 'Space Grotesk', 'IBM Plex Sans', -apple-system, sans-serif;
  font-weight: 600;
  letter-spacing: -0.01em;
}

/* Page heading colour and weight.
   Material's default H1 uses --md-default-fg-color--light (dimmer than body)
   and weight 300, which makes the page title look greyer than the H2/H3
   headings below it. Pin the H1 to the regular foreground colour and bump
   weights across the board for a stronger hierarchy. */
.md-typeset h1,
.md-typeset h2,
.md-typeset h3,
.md-typeset h4,
.md-typeset h5,
.md-typeset h6 {
  color: var(--md-default-fg-color);
}

.md-typeset h1 { font-weight: 400; }
.md-typeset h2 { font-weight: 500; }
.md-typeset h3 { font-weight: 500; }
.md-typeset h4 { font-weight: 500; }

/* Bump table and admonition body text from Material's 0.64rem (80% of body)
   to 0.72rem (90% of body) for slightly easier reading. */
.md-typeset table:not([class]),
.md-typeset .admonition,
.md-typeset details {
  font-size: 0.72rem;
}

.jim-hero__tagline {
  font-size: 1.2rem;
  line-height: 1.55;
  margin: 0 auto 2.25rem;
  max-width: 42rem;
  opacity: 0.92;
}

.jim-hero__ctas {
  display: flex;
  gap: 0.85rem;
  justify-content: center;
  flex-wrap: wrap;
}

.jim-hero__cta {
  display: inline-block;
  padding: 0.75rem 1.75rem;
  border-radius: 6px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none;
  transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
}

.jim-hero__cta--primary {
  background: #ffffff;
  color: #5A45A2;
}

.jim-hero__cta--primary:hover {
  background: #f5f3fa;
  color: #483790;
  transform: translateY(-1px);
  box-shadow: 0 6px 16px rgba(0, 0, 0, 0.2);
}

.jim-hero__cta--secondary {
  background: transparent;
  color: #ffffff;
  border: 1px solid rgba(255, 255, 255, 0.55);
}

.jim-hero__cta--secondary:hover {
  background: rgba(255, 255, 255, 0.12);
  color: #ffffff;
  transform: translateY(-1px);
}

/* Smaller hero on mobile/tablet */
@media screen and (max-width: 76.1875em) {
  .jim-hero {
    padding: 1.25rem 1rem 2.25rem;
  }
  .jim-hero__logo {
    width: 120px;
    margin-bottom: 1.25rem;
  }
  .jim-hero__title {
    font-size: 2rem;
  }
  .jim-hero__tagline {
    font-size: 1rem;
    margin-bottom: 1.75rem;
  }
}

/* Widen the content grid on the homepage only.
   Targets the page rendered with overrides/home.html via :has(). */
body:has(.jim-home) .md-main__inner.md-grid,
body:has(.jim-home) .md-content {
  max-width: none;
}

body:has(.jim-home) .md-content__inner {
  max-width: 72rem;
  margin: 0 auto;
  padding-top: 2rem;
  padding-left: 2rem;
  padding-right: 2rem;
}

/* Hide the auto-generated edit button on the homepage; it looks odd under the hero */
body:has(.jim-home) .md-content__button {
  display: none;
}

/* Hide the auto-generated "Home" h1 (the hero already serves as the page title) */
.jim-home > h1:first-of-type {
  display: none;
}

/* ========================================
   Homepage capability pills
   ("What Makes JIM Different" section)
   ======================================== */

.jim-capabilities ul,
.md-typeset .jim-capabilities ul {
  list-style: none;
  padding-left: 0;
  margin: 1.5rem 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.jim-capabilities li,
.md-typeset .jim-capabilities ul li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.5rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--md-default-fg-color--lightest);
  background: var(--md-default-bg-color--light);
  font-size: 0.9rem;
  font-weight: 500;
  line-height: 1.2;
}

/* Strip the <p> wrapper margin that python-markdown injects inside list items */
.md-typeset .jim-capabilities ul li p {
  margin: 0;
}

.jim-capabilities li .twemoji,
.jim-capabilities li svg {
  width: 1.1em;
  height: 1.1em;
  fill: #2e9e5a;       /* green check to reinforce the affirmative */
  flex-shrink: 0;
}

/* Dark mode — soften the pill background and brighten the check */
[data-md-color-scheme="slate"] .jim-capabilities li {
  background: #0d1e30;
  border-color: #243a52;
}

[data-md-color-scheme="slate"] .jim-capabilities li .twemoji,
[data-md-color-scheme="slate"] .jim-capabilities li svg {
  fill: #4ade80;
}