/*
 * blog-components.css
 * Reusable interactive components for blog posts.
 * Requires blog.css to be loaded first (uses its CSS custom properties).
 *
 * Components:
 *   1. Collapsible examples   — <details class="example">
 *   2. Hoverable eq tooltips  — <span class="eq-term"> inside <div class="eq-interactive">
 */

/* ============================================================
   1. Collapsible Examples
   Usage:
     <details class="example">
       <summary>Title of the example</summary>
       <div class="example-body">
         <p>Content here...</p>
       </div>
     </details>
   ============================================================ */

details.example {
    margin: 1.2em 0;
}

details.example summary {
    cursor: pointer;
    font-size: 15px;
    color: var(--accent);
    font-weight: bold;
    padding: 0.4em 0;
    list-style: none;
}

details.example summary::before {
    content: "▸ ";
}

details.example[open] summary::before {
    content: "▾ ";
}

details.example summary::-webkit-details-marker {
    display: none;
}

details.example .example-body {
    border-left: 3px solid var(--border);
    padding: 0.8em 0 0.4em 1.2em;
    margin-top: 0.3em;
}

/* ============================================================
   2. Hoverable Equation Tooltips
   Usage:
     <div class="eq-interactive">
       <span>$Y$ = </span>
       <span class="eq-term">SiLU
         <span class="eq-tooltip">
           <span class="eq-tooltip-title">Title</span>
           <!-- SVG, canvas, or image here -->
           <span class="eq-tooltip-desc">Description text</span>
         </span>
       </span>
       <span>(rest of equation)</span>
     </div>
   ============================================================ */

.eq-interactive {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 2px;
    padding: 1em 0;
}

.eq-term {
    position: relative;
    cursor: help;
    border-bottom: 1.5px dashed var(--accent);
    padding-bottom: 1px;
}

.eq-term:hover {
    color: var(--accent);
}

.eq-term .eq-tooltip {
    display: none;
    position: absolute;
    bottom: calc(100% + 12px);
    left: 50%;
    transform: translateX(-50%);
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 10px;
    padding: 12px 14px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.12);
    z-index: 100;
    width: 320px;
    text-align: left;
}

.eq-term .eq-tooltip::after {
    content: '';
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translateX(-50%);
    border: 8px solid transparent;
    border-top-color: var(--border);
}

.eq-term:hover .eq-tooltip {
    display: block;
}

.eq-tooltip-title {
    font-size: 12px;
    font-weight: bold;
    color: var(--fg);
    margin-bottom: 6px;
}

.eq-tooltip-desc {
    font-size: 11px;
    color: var(--muted);
    line-height: 1.5;
    margin-top: 6px;
}