/* ===========================================================================
   Genformer documentation theme
   Minimalist palette: one muted teal accent, warm neutrals, ink headings.
   ======================================================================== */

:root {
  --gf-ink: #20262b;
  /* near-black headings / text          */
  --gf-accent: #2e6e63;
  /* muted teal - the single brand accent */
  --gf-accent-soft: #5b9085;
  /* lighter teal for hover               */
  --gf-sand: #f6f4ef;
  /* warm off-white surface               */
  --gf-line: #e4e0d8;
  /* warm hairline border                 */
}

html[data-theme="light"] {
  --pst-color-primary: var(--gf-accent);
  --pst-color-link: var(--gf-accent);
  --pst-color-link-hover: var(--gf-ink);
  --pst-color-inline-code: #3a6b62;
  --pst-color-surface: var(--gf-sand);
}

html[data-theme="dark"] {
  --gf-accent: #86bdb2;
  --gf-accent-soft: #a6d2c9;
  --gf-line: rgba(255, 255, 255, 0.10);
  --pst-color-primary: #86bdb2;
  --pst-color-link: #9ecabf;
  --pst-color-link-hover: #cfe6e0;
  --pst-color-inline-code: #a6d2c9;
}

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

.bd-article h1,
.bd-article h2,
.bd-article h3 {
  font-weight: 650;
  letter-spacing: -0.01em;
  color: var(--pst-heading-color, inherit);
}

.bd-article h2 {
  padding-bottom: 0.3rem;
  border-bottom: 1px solid var(--gf-line);
}

/* ---- Hero -------------------------------------------------------------- */

.gf-hero {
  padding: 2.6rem 1rem 1.6rem;
  margin-bottom: 2rem;
  border-bottom: 1px solid var(--gf-line);
}

.gf-hero h1 {
  font-size: 2.5rem;
  margin: 0 0 0.5rem;
  letter-spacing: -0.02em;
}

.gf-hero .gf-tagline {
  font-size: 1.12rem;
  opacity: 0.78;
  max-width: 640px;
  margin: 0 0 1.2rem;
  line-height: 1.55;
}

.gf-badges {
  display: flex;
  gap: 0.4rem;
  flex-wrap: wrap;
  margin-bottom: 1.3rem;
}

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

.gf-cta {
  display: inline-block;
  padding: 0.5rem 1.1rem;
  margin: 0.2rem 0.4rem 0.2rem 0;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.95rem;
  text-decoration: none !important;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.gf-cta-primary {
  color: #fff !important;
  background: var(--gf-accent);
}

.gf-cta-primary:hover {
  background: var(--gf-accent-soft);
}

.gf-cta-secondary {
  color: var(--pst-color-link) !important;
  border: 1px solid var(--gf-line);
}

.gf-cta-secondary:hover {
  border-color: var(--gf-accent);
}

/* ---- sphinx-design cards ----------------------------------------------- */

.sd-card {
  border: 1px solid var(--gf-line) !important;
  border-radius: 10px !important;
  transition: transform 0.16s ease, border-color 0.16s ease;
  box-shadow: none !important;
}

.sd-card:hover {
  transform: translateY(-2px);
  border-color: var(--gf-accent) !important;
}

.sd-card-title {
  font-weight: 650;
  color: var(--gf-ink);
}

html[data-theme="dark"] .sd-card-title {
  color: #e9ece9;
}

.sd-card .sd-card-header {
  border-bottom: none;
  background: transparent;
  font-size: 1.05rem;
}

.sd-card-footer {
  border-top: 1px solid var(--gf-line);
  color: var(--gf-accent);
  font-size: 0.82rem;
  font-weight: 600;
}

/* ---- Inline code & blocks ---------------------------------------------- */

code.literal {
  border-radius: 5px;
  padding: 0.08em 0.36em;
  border: 1px solid var(--gf-line);
}

div.highlight {
  border-radius: 8px;
  border: 1px solid var(--gf-line);
}

/* ---- Tables ------------------------------------------------------------ */

table.docutils {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gf-line);
}

table.docutils thead th {
  background: var(--gf-sand);
  color: var(--gf-ink);
  border-bottom: 2px solid var(--gf-accent);
}

html[data-theme="dark"] table.docutils thead th {
  background: rgba(255, 255, 255, 0.04);
  color: #e9ece9;
}

/* ---- Admonitions ------------------------------------------------------- */

.admonition,
div.admonition {
  border-radius: 8px;
}

/* ---- Sidebar / nav accents --------------------------------------------- */

.bd-sidebar-primary .nav-link.active,
nav.bd-links .current>a {
  color: var(--gf-accent) !important;
  font-weight: 600;
}