/* Glossary term underline styling */
.gh-content a.glossary-term,
.post-content a.glossary-term {
  text-decoration-line: underline;
  text-decoration-style: dashed;
  text-decoration-thickness: 1px;
  text-underline-offset: 2px;
  text-decoration-color: currentColor;
  cursor: help;
  border-bottom: none !important;
}

/* On hover / focus, make the dashed line slightly darker */
.gh-content a.glossary-term:hover,
.gh-content a.glossary-term:focus,
.post-content a.glossary-term:hover,
.post-content a.glossary-term:focus {
  text-decoration-color: rgba(0,0,0,0.6);
}

/* Global tooltip container (one per page) */
#glossary-tooltip {
    position: fixed;
    max-width: min(480px, 80vw);
    padding: 0;
    font-size: 0.9em;
    line-height: 1.5;

    background: #ffffff;
    border: 1px solid rgba(0,0,0,0.18);
    border-radius: 8px;
    box-shadow: 0 4px 16px rgba(0,0,0,0.2);
    color: #222;

    z-index: 99999;
    opacity: 0;
    pointer-events: none;       /* 👈 default: doesn't intercept anything */
    transform: translateY(4px);
    transition: opacity 0.12s ease-out, transform 0.12s ease-out;
}

/* Visible state */
#glossary-tooltip.visible {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;       /* 👈 only clickable when visible */
}


/* Base arrow – we’ll override position & borders via classes */
#glossary-tooltip::after {
    content: "";
    position: absolute;
    left: 16px;
    border-left: 6px solid transparent;
    border-right: 6px solid transparent;
}

/* Tooltip is below the term → arrow on top, pointing up */
#glossary-tooltip.tooltip-below::after {
    top: -6px;
    bottom: auto;
    border-bottom: 6px solid #ffffff;
    border-top: none;
    filter: drop-shadow(0 -1px 1px rgba(0,0,0,0.15));
}

/* Tooltip is above the term → arrow on bottom, pointing down */
#glossary-tooltip.tooltip-above::after {
    bottom: -6px;
    top: auto;
    border-top: 6px solid #ffffff;
    border-bottom: none;
    filter: drop-shadow(0 1px 1px rgba(0,0,0,0.15));
}

/* Card layout inside the tooltip */
#glossary-tooltip .glossary-card {
    padding: 0.75em 1em;
    display: flex;
    flex-direction: column;
    gap: 0.4em;
}

.glossary-card-header {
    display: flex;
    align-items: baseline;
    gap: 0.5em;
}

.glossary-card-title {
    font-weight: 600;
    font-size: 0.95em;
}

.glossary-card-tag {
    font-size: 0.7em;
    text-transform: uppercase;
    letter-spacing: 0.03em;
    background: #f1f3f5;
    color: #555;
    padding: 0.1em 0.4em;
    border-radius: 999px;
}

.glossary-card-body {
    font-size: 0.9em;
}

/* Footer: primary glossary link + external links list */
.glossary-card-footer {
    margin-top: 0.25em;
    font-size: 0.8em;
    display: flex;
    flex-direction: column;
    gap: 0.25em;
    color: #555;
}

.glossary-card-footer-main {
    margin-bottom: 0.15em;
}

.glossary-card-footer a {
    text-decoration: none;
    color: inherit;
    border-bottom: 1px solid rgba(0,0,0,0.15);
}

.glossary-card-footer a:hover {
    border-bottom-color: rgba(0,0,0,0.4);
}

/* External links list */
.glossary-card-extlist {
    display: flex;
    flex-direction: column;
    gap: 0.15em;
}

/* Simple “icons” for link types */
.glossary-ref-link {
    display: inline-flex;
    align-items: center;
    gap: 0.3em;
}

.glossary-ref-icon {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 1.1em;
    height: 1.1em;
    border-radius: 999px;
    font-size: 0.7em;
    border: 1px solid rgba(0,0,0,0.2);
    flex-shrink: 0;
}

/* Wikipedia-style “W” */
.glossary-ref-icon-wiki {
    font-family: serif;
    font-weight: 600;
}

/* Generic external link icon */
.glossary-ref-icon-ext {
    font-size: 0.8em;
}