/**
 * PTA Knowledge Hub — Glossary Tooltip Styles
 *
 * Terms that appear in the glossary get a subtle dotted underline.
 * Hovering or focusing shows the plain-English definition in a tooltip.
 */

.ptk-glossary-term {
    position: relative;
    display: inline;
}

.ptk-glossary-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1.5px dotted #93c5fd;
    transition: border-color 0.15s ease;
}
.ptk-glossary-link:hover {
    border-bottom-color: #2563eb;
    color: inherit;
}
.ptk-glossary-link:focus-visible {
    outline: 2px solid #2563eb;
    outline-offset: 2px;
    border-radius: 2px;
}

/* Tooltip bubble — uses opacity/visibility for smooth animation */
.ptk-glossary-tooltip {
    visibility: hidden;
    opacity: 0;
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%) translateY(4px);
    background: #1e293b;
    color: #f8fafc;
    font-size: 13px;
    font-weight: 400;
    line-height: 1.5;
    padding: 10px 14px;
    border-radius: 8px;
    width: max-content;
    max-width: 320px;
    box-shadow: 0 4px 16px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    text-align: left;
    transition: opacity 0.15s ease, visibility 0.15s ease, transform 0.15s ease;
}

/* Arrow */
.ptk-glossary-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1e293b;
}

/* Show on hover AND keyboard focus */
.ptk-glossary-term:hover .ptk-glossary-tooltip,
.ptk-glossary-term:focus-within .ptk-glossary-tooltip {
    visibility: visible;
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* On small screens, keep tooltip from going off-screen */
@media (max-width: 600px) {
    .ptk-glossary-tooltip {
        max-width: 260px;
        font-size: 12px;
        padding: 8px 12px;
    }
}

/* Respect reduced motion preferences */
@media (prefers-reduced-motion: reduce) {
    .ptk-glossary-tooltip {
        transition: none;
    }
}