/* Anchored forward KL — interactive element styles only.
   Typography and layout come from base.css + post.css. */

/* Global-setup toolbar (support size K). position:sticky pins it to the
   top of the viewport while its containing <section> (the visualization
   section) is in view, and releases it after — cf. the heavier JS-pinned
   toolbar in smc-resampling, which needed to outlive its section. */
.akl-toolbar {
    position: sticky;
    top: 0;
    z-index: 30;
    display: flex;
    align-items: center;
    gap: 14px;
    flex-wrap: wrap;
    row-gap: 4px;
    margin: 0.4em 0 1.2em;
    padding: 6px 12px;
    background: var(--s-surface, #f6f8fa);
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.85em;
}

.akl-toolbar-value {
    font-variant-numeric: tabular-nums;
    color: #333;
    min-width: 1.6em;
}

/* Groups inside the combined toolbar: the flexible beta group's slider
   stretches to fill the row. */
.akl-toolbar-group {
    display: flex;
    align-items: center;
    gap: 10px;
}

.akl-toolbar-group-beta {
    flex: 1;
    min-width: 220px;
}

/* The K control folds into a small dropdown chip: the slider only
   appears in a floating panel when the chip is clicked. */
.akl-k-dropdown {
    position: relative;
    flex: none;
}

.akl-k-dropdown > summary {
    list-style: none;
    cursor: pointer;
    white-space: nowrap;
    color: #666;
    font-size: 0.9em;
    padding: 2px 8px;
    border: 1px solid #ddd;
    border-radius: 4px;
}

.akl-k-dropdown > summary::-webkit-details-marker {
    display: none;
}

.akl-k-dropdown > summary::after {
    content: ' ▾';
    color: #999;
}

.akl-k-dropdown[open] > summary::after {
    content: ' ▴';
    color: #999;
}

.akl-k-panel {
    position: absolute;
    top: calc(100% + 4px);
    left: 0;
    z-index: 40;
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    white-space: nowrap;
    background: var(--s-surface, #f6f8fa);
    border: 1px solid #ddd;
    border-radius: 6px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

/* In the toolbar the readouts stay a fixed-width stacked column in a
   smaller font, so changing digits never reflows the bar. */
.akl-toolbar .akl-readouts {
    font-size: 0.85em;
    line-height: 1.35;
    min-width: 8.5em;
}

/* Defensive: neutralize Pandoc paragraph-wrapping inside the toolbar. */
.akl-toolbar p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 10px;
}

/* The live alpha(beta) plot in the margin note. */
.akl-alpha-canvas {
    display: block;
    width: 100%;
    height: 150px;
    margin: 0.2em 0 0.4em;
}

.akl-controls {
    display: flex;
    align-items: center;
    gap: 14px;
    margin: 0.4em 0 1.2em;
    padding: 6px 12px;
    background: var(--s-surface, #f6f8fa);
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 0.85em;
    flex-wrap: wrap;
    row-gap: 4px;
}

.akl-controls-label {
    color: #666;
    font-size: 0.9em;
    white-space: nowrap;
}

/* Fixed-width readout block so the slider doesn't shift as digits change */
.akl-readouts {
    display: flex;
    flex-direction: column;
    min-width: 9em;
    line-height: 1.4;
}
.akl-readouts span:not(.akl-controls-label) {
    font-variant-numeric: tabular-nums;
    color: #333;
}

.akl-slider-wrap {
    flex: 1;
    min-width: 160px;
    display: flex;
    flex-direction: column;
}

/* Fixed neutral track + accent-colored thumb (accent set from JS:
   posterior blue at beta = 0 fading to prior gray at beta = infinity). */
.akl-controls input[type="range"],
.akl-toolbar input[type="range"] {
    -webkit-appearance: none;
    appearance: none;
    width: 100%;
    height: 18px; /* generous hit area */
    background: transparent;
    margin: 0;
}
.akl-controls input[type="range"]::-webkit-slider-runnable-track,
.akl-toolbar input[type="range"]::-webkit-slider-runnable-track {
    height: 4px;
    border-radius: 2px;
    background: #dfe2e6;
}
.akl-controls input[type="range"]::-webkit-slider-thumb,
.akl-toolbar input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    background: var(--akl-accent, rgb(150, 156, 164));
    margin-top: -5px; /* center 14px thumb on 4px track */
}
.akl-controls input[type="range"]::-moz-range-track,
.akl-toolbar input[type="range"]::-moz-range-track {
    height: 4px;
    border-radius: 2px;
    background: #dfe2e6;
}
.akl-controls input[type="range"]::-moz-range-thumb,
.akl-toolbar input[type="range"]::-moz-range-thumb {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: none;
    background: var(--akl-accent, rgb(150, 156, 164));
}
.akl-controls input[type="range"]:focus-visible,
.akl-toolbar input[type="range"]:focus-visible {
    outline: none;
}
.akl-controls input[type="range"]:focus-visible::-webkit-slider-thumb,
.akl-toolbar input[type="range"]:focus-visible::-webkit-slider-thumb {
    box-shadow: 0 0 0 3px rgba(70, 102, 119, 0.3);
}
.akl-controls input[type="range"]:focus-visible::-moz-range-thumb,
.akl-toolbar input[type="range"]:focus-visible::-moz-range-thumb {
    box-shadow: 0 0 0 3px rgba(70, 102, 119, 0.3);
}

/* The K slider is compact (overrides the shared width: 100% above);
   targets K sliders in the dropdown panels. */
.akl-k-panel input[type="range"] {
    width: 150px;
    flex: none;
}

/* Sticky variant: the derivation fold's beta controls pin to the top of
   the viewport while their containing <details> is in view --- the same
   mechanism as the toolbar. */
.akl-controls.akl-sticky {
    position: sticky;
    top: 0;
    z-index: 30;
}

/* Tick labels are absolutely positioned by JS at the thumb-center
   position of each snap. */
.akl-slider-ticks {
    position: relative;
    height: 1.2em;
    font-size: 0.8em;
    color: #999;
    line-height: 1.1;
}
.akl-slider-ticks span {
    position: absolute;
    top: 0;
    transform: translateX(-50%);
    white-space: nowrap;
}

/* Defensive: if Pandoc paragraph-wraps loose inline content inside the
   controls, neutralize the paragraph margins. */
.akl-controls p {
    margin: 0;
    display: flex;
    align-items: center;
    gap: 5px;
}