:root {
  --md-primary-fg-color: #5B1FA8;       
  --md-primary-fg-color--light: #9B4DCA;
  --md-primary-fg-color--dark: #2D0A6B;
  --md-accent-fg-color: #A855F7;
}

.md-header__button.md-logo img {
    height: 1.5rem;
    width: auto;
    /* Logo artwork is solid black; invert to white so it reads on the
       dark-purple header gradient. */
    filter: brightness(0) invert(1);
}
.md-header__button.md-logo {
    padding: 0;
}

/* Home-page hero logo: centered emblem above the page title. */
.md-typeset p:has(> img.hero-logo) {
    text-align: center;
}
.md-typeset img.hero-logo {
    display: block;
    margin: 0.5rem auto 1.5rem;
    width: 160px;
    max-width: 55%;
    height: auto;
}
/* Artwork is solid black; invert to white so it reads in dark mode. */
[data-md-color-scheme="slate"] .md-typeset img.hero-logo {
    filter: brightness(0) invert(1);
}

/* Header gradient to match main site */
.md-header {
    background: linear-gradient(135deg, #2D0A6B 0%, #5B1FA8 100%);
}

.md-footer {
    --md-footer-bg-color--dark: #2D0A6B;  /* was #0dcaf0 */
    --md-footer-fg-color--light: white;
}

.md-version {
    display: none !important;
}

.version-badge {
    position: fixed;
    bottom: 70px;
    right: 20px;
    z-index: 9999;
    background: #2b2b2b;
    color: white;
    border-radius: 6px;
    padding: 6px 12px;
    font-size: 13px;
    display: flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.3);
    cursor: pointer;
}

/* Bump Material's default body text (0.8rem ≈ 16px) for readability */
.md-typeset {
    font-size: 0.9rem;
}

.version-badge select {
    background: transparent;
    border: none;
    color: #4caf50;
    font-size: 13px;
    font-weight: 600;
    cursor: pointer;
    outline: none;
}