/* WPH Glossary - full stylesheet
 * - A–Z nav (top)
 * - Top-note (filter + tip)
 * - Two-column alphabetical lists (A left, B right)
 * - Compact list / subtle links
 * - Tooltip (CSS-only) and modal preview
 * - Related posts block (simple style)
 * - Responsive behavior
 */

/* Container base */
.wph-glossary-index {
    margin: 1.5em 0;
    font-family: inherit;
    color: inherit;
}

/* ---------------------------
   A–Z navigation (full width)
   --------------------------- */
.wph-glossary-az-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 0.35rem;
    margin: 0 0 1rem;
    font-size: 14px;
    align-items: center;
}

.wph-glossary-az-link {
    padding: 6px 10px;
    border-radius: 4px;
    border: 1px solid #e6e6e6;
    background: #fff;
    color: inherit;
    text-decoration: none;
    line-height: 1;
    transition: background .12s ease, color .12s ease;
}

.wph-glossary-az-link:hover {
    background: #f5f5f5;
}

.wph-glossary-az-link--disabled {
    opacity: 0.45;
    pointer-events: none;
    background: #fafafa;
    cursor: default;
}

/* ---------------------------
   Top-note: filter + tip
   (shown beneath the A–Z nav)
   --------------------------- */
.wph-glossary-topnote {
    margin: 0 0 1.2rem;
    display: block;
}

.wph-glossary-topnote-filter {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin-bottom: 0.6rem;
}

.wph-glossary-filter {
    flex: 1 1 auto;
    padding: 8px 10px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    width: 100%;
    background: #fff;
    box-sizing: border-box;
}

.wph-glossary-reset-filter {
    padding: 6px 8px;
    border: 1px solid #ddd;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    line-height: 1;
}

/* small note text under filter */
.wph-glossary-topnote-tip {
    margin: 0;
    color: #555;
    font-size: 14px;
}

/* ---------------------------
   Two-column alphabetical lists
   --------------------------- */
.wph-glossary-columns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

/* On smaller screens fall back to single column */
@media (max-width: 959px) {
    .wph-glossary-columns {
        grid-template-columns: 1fr;
    }
}

/* Column containers */
.wph-glossary-column {
    min-width: 0;
}

/* Letter headings */
.wph-glossary-letter {
    margin-top: 1.2em;
    margin-bottom: 0.3em;
    font-size: 1.05em;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: .6rem;
}

.wph-glossary-letter .wph-glossary-count {
    font-weight: 500;
    color: #666;
    font-size: .9em;
}

/* Compact list */
.wph-glossary-list {
    list-style: disc;
    margin: 0 0 0.5em 1.4em;
    padding: 0;
}

.wph-glossary-list li {
    margin: 0.25rem 0;
    line-height: 1.35;
}

/* ---------------------------
   Glossary term link base + subtle style
   --------------------------- */
.wph-glossary-term {
    position: relative;
    text-decoration: underline dotted;
    text-underline-offset: 2px;
    cursor: help;
    color: #0b66a3;
}

/* apply subtle thinner decoration */
.wph-glossary-term--subtle {
    text-decoration-thickness: 0.08em;
    color: inherit;
}

/* if tooltip intentionally disabled, show default cursor */
.wph-glossary-term[aria-disabled="true"],
.wph-glossary-term[aria-hidden="true"],
.wph-glossary-term[data-disable-tooltip="1"] {
    cursor: default;
}

/* ---------------------------
   CSS tooltip (HTML variant)
   - Uses data-tooltip attribute
   --------------------------- */
/* hidden base state */
.wph-glossary-term[data-tooltip]::after,
.wph-glossary-term[data-tooltip]::before {
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.15s ease, transform 0.15s ease;
}

/* tooltip box */
.wph-glossary-term[data-tooltip]::after {
    content: attr(data-tooltip);
    position: absolute;
    left: 50%;
    bottom: 130%;
    transform: translateX(-50%) translateY(6px);
    background: #111;
    color: #fff;
    padding: 10px 14px;
    font-size: 13px;
    line-height: 1.5;
    border-radius: 6px;
    min-width: 200px;
    max-width: 420px;
    white-space: normal;
    text-align: left;
    box-shadow: 0 8px 18px rgba(0,0,0,0.25);
    z-index: 9999;
}

/* compact tooltip for subtle class */
.wph-glossary-term.wph-glossary-term--subtle[data-tooltip]::after {
    font-size: 12px;
    padding: 8px 10px;
    max-width: 360px;
}

/* arrow */
.wph-glossary-term[data-tooltip]::before {
    content: "";
    position: absolute;
    left: 50%;
    bottom: 120%;
    transform: translateX(-50%) translateY(6px);
    border-width: 6px;
    border-style: solid;
    border-color: #111 transparent transparent transparent;
    z-index: 9998;
}

/* show on hover/focus */
.wph-glossary-term[data-tooltip]:hover::after,
.wph-glossary-term[data-tooltip]:hover::before,
.wph-glossary-term[data-tooltip]:focus::after,
.wph-glossary-term[data-tooltip]:focus::before {
    opacity: 1;
    transform: translateX(-50%) translateY(0);
}

/* mobile adjustments */
@media (max-width: 767px) {
    .wph-glossary-term[data-tooltip]::after {
        max-width: 90vw;
        left: 50%;
        right: auto;
    }
}

/* ---------------------------
   Modal preview
   --------------------------- */
.wph-glossary-modal {
    display: none;
    position: fixed;
    z-index: 99999;
    inset: 0;
    background: rgba(0,0,0,0.45);
    align-items: center;
    justify-content: center;
    padding: 20px;
}

.wph-glossary-modal[aria-hidden="false"] {
    display: flex;
}

.wph-glossary-modal-inner {
    background: #fff;
    max-width: 720px;
    width: 100%;
    border-radius: 8px;
    box-shadow: 0 12px 30px rgba(0,0,0,0.35);
    padding: 18px;
    position: relative;
}

.wph-glossary-modal-close {
    position: absolute;
    right: 10px;
    top: 8px;
    background: transparent;
    border: none;
    font-size: 26px;
    cursor: pointer;
}

/* modal content */
.wph-glossary-modal-content h2 {
    margin-top: 0;
    font-size: 1.25em;
}

.wph-glossary-modal-content p {
    margin: 0.6em 0;
    color: #333;
}

/* small loading state in modal */
.wph-glossary-modal-related .wph-glossary-related-loading {
    color: #666;
    font-style: italic;
    margin: 0.4em 0;
}

/* ---------------------------
   Related posts block (simple style)
   --------------------------- */
/*
.wph-related-articles {
    margin-top: 1.75em;
    padding-top: 0.85em;
    border-top: 1px solid #e6e6e6;
    background: transparent;
}
*/

.wph-related-articles-title {
    margin: 0 0 0.5em 0;
    font-size: 1.05rem;
    font-weight: 700;
    color: inherit;
}

.wph-related-list {
    margin: 0;
    padding-left: 1.2em;
    list-style: disc;
}

.wph-related-item {
    margin: 0.35em 0;
    line-height: 1.35;
}

.wph-related-item a {
    color: #0b66a3;
    text-decoration: none;
}

.wph-related-item a:hover,
.wph-related-item a:focus {
    text-decoration: underline;
}

/* ---------------------------
   Accessibility / focus styles
   --------------------------- */
.wph-glossary-az-link:focus,
.wph-glossary-term:focus,
.wph-glossary-reset-filter:focus,
.wph-glossary-modal-close:focus {
    outline: 3px solid rgba(11,102,163,0.18);
    outline-offset: 3px;
}

/* ---------------------------
   Misc small adjustments
   --------------------------- */
.wph-glossary-item-excerpt {
    color: #666;
    font-size: 13px;
    margin-top: 4px;
}

/* ensure lists don't overflow containers */
.wph-glossary-list, .wph-glossary-columns {
    box-sizing: border-box;
}

/* final responsive tweak for very narrow screens */
@media (max-width: 480px) {
    .wph-glossary-topnote-filter {
        flex-direction: column;
        align-items: stretch;
    }
    .wph-glossary-reset-filter {
        width: 44px;
        align-self: flex-end;
    }
}