/**
 * GAISEO Glossary - Front-end Styles
 *
 * Fallback styles for glossary entries. These are only applied
 * if the theme does not already define these classes.
 *
 * Accent color is controlled via --gaiseo-accent CSS custom property.
 * Override it on .gaiseo-glossary-index or :root to change the theme.
 *
 * @since 1.2.6
 */

/* ---- Global accent color ---- */
:root {
    --gaiseo-accent: #3b82f6;
    --gaiseo-accent-hover: #2563eb;
}

/* =========================================================================
   GLOSSARY ENTRY CONTENT (single entry pages)
   ========================================================================= */

/* Main content container */
.gaiseo-article-content {
    max-width: 800px;
    line-height: 1.7;
    font-size: 1.05em;
}

/* Definition box */
.gaiseo-insight {
    background: #f5f7fa;
    border-left: 4px solid var(--gaiseo-accent);
    padding: 16px 20px;
    margin: 0 0 24px 0;
    border-radius: 0 4px 4px 0;
}

.gaiseo-insight strong {
    color: #1d2327;
}

/* Table wrapper for responsive tables */
.gaiseo-table-wrapper {
    overflow-x: auto;
    margin: 20px 0;
}

/* Clean table style */
.gaiseo-clean-table {
    width: 100%;
    border-collapse: collapse;
    margin: 0;
    font-size: 0.95em;
}

.gaiseo-clean-table thead th {
    background: #f0f0f1;
    font-weight: 600;
    text-align: left;
    padding: 10px 14px;
    border-bottom: 2px solid #c3c4c7;
}

.gaiseo-clean-table tbody td {
    padding: 10px 14px;
    border-bottom: 1px solid #e2e4e7;
    vertical-align: top;
}

.gaiseo-clean-table tbody tr:hover {
    background: #f9f9f9;
}

/* Blockquote / Key Insight */
.gaiseo-quote-clean {
    border-left: 4px solid var(--gaiseo-accent);
    margin: 24px 0;
    padding: 16px 24px;
    background: #f0f6fc;
    font-style: italic;
    border-radius: 0 4px 4px 0;
}

.gaiseo-quote-clean p {
    margin: 0;
    font-size: 1.05em;
    color: #1d2327;
}

/* FAQ items */
.gaiseo-faq-item {
    margin-bottom: 16px;
    border: 1px solid #e2e4e7;
    border-radius: 4px;
    overflow: hidden;
}

.gaiseo-faq-question {
    font-weight: 600;
    padding: 14px 18px;
    background: #f5f7fa;
    cursor: default;
}

.gaiseo-faq-answer {
    padding: 14px 18px;
}

.gaiseo-faq-answer p {
    margin: 0;
}

/* =========================================================================
   A-Z GLOSSARY INDEX (shortcode: [gaiseo_glossary])
   ========================================================================= */

.gaiseo-glossary-index {
    max-width: 1000px;
    margin: 0 auto;
}

.gaiseo-glossary-count {
    color: #64748b;
    font-size: 0.9em;
    margin-bottom: 16px;
}

/* Letter navigation bar */
.gaiseo-glossary-nav {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    margin-bottom: 32px;
    padding: 12px 16px;
    background: #f8fafc;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
}

.gaiseo-glossary-nav-letter {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 32px;
    height: 32px;
    font-weight: 600;
    font-size: 0.85em;
    text-decoration: none;
    border-radius: 4px;
    transition: background 0.15s, color 0.15s;
}

.gaiseo-glossary-nav-letter.active {
    color: #1e293b;
    cursor: pointer;
}

.gaiseo-glossary-nav-letter.active:hover {
    background: var(--gaiseo-accent);
    color: #fff;
}

.gaiseo-glossary-nav-letter.disabled {
    color: #cbd5e1;
    cursor: default;
}

/* Letter groups */
.gaiseo-glossary-groups {
    column-gap: 32px;
}

.gaiseo-glossary-group {
    break-inside: avoid;
    margin-bottom: 24px;
}

.gaiseo-glossary-letter {
    font-size: 1.3em;
    font-weight: 700;
    color: #1e293b;
    border-bottom: 2px solid var(--gaiseo-accent);
    padding-bottom: 4px;
    margin: 0 0 8px 0;
}

.gaiseo-glossary-terms {
    list-style: none;
    margin: 0 0 16px 0;
    padding: 0;
}

.gaiseo-glossary-terms li {
    padding: 4px 0;
}

.gaiseo-glossary-terms li a {
    color: #334155;
    text-decoration: none;
    font-size: 0.95em;
    transition: color 0.15s;
}

.gaiseo-glossary-terms li a:hover {
    color: var(--gaiseo-accent);
}

/* Search field */
.gaiseo-glossary-search-wrap {
    margin-bottom: 16px;
}

.gaiseo-glossary-search {
    width: 100%;
    max-width: 400px;
    padding: 10px 14px;
    font-size: 0.95em;
    border: 1px solid #e2e8f0;
    border-radius: 6px;
    outline: none;
    transition: border-color 0.15s;
}

.gaiseo-glossary-search:focus {
    border-color: var(--gaiseo-accent);
    box-shadow: 0 0 0 3px rgba(59, 130, 246, 0.1);
}

/* Definition description below term */
.gaiseo-glossary-desc {
    display: block;
    color: #64748b;
    font-size: 0.85em;
    line-height: 1.4;
    margin-top: 2px;
}

/* No results message */
.gaiseo-glossary-no-results {
    text-align: center;
    color: #94a3b8;
    font-style: italic;
    padding: 20px 0;
}

/* ---- Style: Compact ---- */
.gaiseo-glossary-style-compact .gaiseo-glossary-nav {
    padding: 8px 12px;
    gap: 2px;
    margin-bottom: 20px;
}

.gaiseo-glossary-style-compact .gaiseo-glossary-nav-letter {
    width: 26px;
    height: 26px;
    font-size: 0.75em;
}

.gaiseo-glossary-style-compact .gaiseo-glossary-letter {
    font-size: 1.1em;
    margin: 0 0 4px 0;
    padding-bottom: 2px;
}

.gaiseo-glossary-style-compact .gaiseo-glossary-terms li {
    padding: 2px 0;
}

.gaiseo-glossary-style-compact .gaiseo-glossary-terms li a {
    font-size: 0.875em;
}

.gaiseo-glossary-style-compact .gaiseo-glossary-group {
    margin-bottom: 16px;
}

/* ---- Style: Cards ---- */
.gaiseo-glossary-style-cards .gaiseo-glossary-group {
    background: #fff;
    border: 1px solid #e2e8f0;
    border-radius: 8px;
    padding: 16px 20px;
    margin-bottom: 20px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.06);
}

.gaiseo-glossary-style-cards .gaiseo-glossary-letter {
    border-bottom: none;
    background: var(--gaiseo-accent);
    color: #fff;
    display: inline-block;
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    border-radius: 50%;
    font-size: 1em;
    padding: 0;
    margin: 0 0 12px 0;
}

.gaiseo-glossary-style-cards .gaiseo-glossary-terms li {
    padding: 5px 0;
    border-bottom: 1px solid #f1f5f9;
}

.gaiseo-glossary-style-cards .gaiseo-glossary-terms li:last-child {
    border-bottom: none;
}

/* Responsive: single column on mobile */
@media (max-width: 600px) {
    .gaiseo-glossary-groups {
        column-count: 1 !important;
    }

    .gaiseo-glossary-nav-letter {
        width: 28px;
        height: 28px;
        font-size: 0.8em;
    }

    .gaiseo-glossary-search {
        max-width: 100%;
    }
}

/* =========================================================================
   GLOSSARY AUTO-LINK TOOLTIPS
   ========================================================================= */

.gaiseo-glossary-link {
    color: inherit;
    text-decoration: none;
    border-bottom: 1px dotted var(--gaiseo-accent);
    position: relative;
    cursor: pointer;
    transition: color 0.15s, border-color 0.15s;
}

.gaiseo-glossary-link:hover {
    color: var(--gaiseo-accent);
    border-bottom-color: var(--gaiseo-accent-hover);
}

/* Tooltip (CSS-only via data attribute) */
.gaiseo-glossary-link::after {
    content: attr(data-gaiseo-tooltip);
    position: absolute;
    bottom: calc(100% + 8px);
    left: 50%;
    transform: translateX(-50%);
    background: #1e293b;
    color: #f8fafc;
    padding: 8px 12px;
    border-radius: 6px;
    font-size: 0.8125rem;
    font-style: normal;
    font-weight: 400;
    line-height: 1.5;
    white-space: normal;
    width: max-content;
    max-width: 280px;
    text-align: left;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 10000;
}

/* Tooltip arrow */
.gaiseo-glossary-link::before {
    content: '';
    position: absolute;
    bottom: calc(100% + 2px);
    left: 50%;
    transform: translateX(-50%);
    border: 6px solid transparent;
    border-top-color: #1e293b;
    pointer-events: none;
    opacity: 0;
    visibility: hidden;
    transition: opacity 0.2s ease, visibility 0.2s ease;
    z-index: 10001;
}

/* Show on hover and focus */
.gaiseo-glossary-link:hover::after,
.gaiseo-glossary-link:hover::before,
.gaiseo-glossary-link:focus::after,
.gaiseo-glossary-link:focus::before {
    opacity: 1;
    visibility: visible;
}

/* Mobile: anchor tooltip to the left */
@media (max-width: 600px) {
    .gaiseo-glossary-link::after {
        left: 0;
        transform: none;
        max-width: 220px;
    }
    .gaiseo-glossary-link::before {
        left: 16px;
        transform: none;
    }
}