/* Engine section modules (draft + production). Built only from palette/theme tokens
   (--accent, --accent-deep, --dark, --dark-rgb, --ink, --line, --panel, --radius, fonts)
   so every theme and palette restyles them. SIS review chrome does not live here. */

/* ---- compare: before/after sliders (runtime: modules.js [data-ba]) ---- */
.ba-grid{display:flex;flex-wrap:wrap;justify-content:center;gap:24px;--ba-cols:1}
.ba-grid.n-2,.ba-grid.n-4{--ba-cols:2}.ba-grid.n-3,.ba-grid.n-5,.ba-grid.n-6{--ba-cols:3}
.ba-grid>*{flex:0 0 calc((100% - (var(--ba-cols) - 1) * 24px) / var(--ba-cols));min-width:0;margin:0}
.ba-grid.n-1 .ba-stage{aspect-ratio:var(--ba-ratio,16/9)}
.ba-stage{--pos:50%;position:relative;overflow:hidden;isolation:isolate;aspect-ratio:var(--ba-ratio,4/5);border-radius:var(--radius,12px);background:var(--dark-panel,#16191c);touch-action:pan-y;-webkit-user-select:none;user-select:none;cursor:ew-resize;-webkit-tap-highlight-color:transparent}
.ba-img{position:absolute;inset:0;width:100%;height:100%;max-width:none;object-fit:cover;object-position:50% 55%;pointer-events:none;-webkit-user-drag:none}
.ba-before{clip-path:inset(0 calc(100% - var(--pos)) 0 0);z-index:1}
.ba-label{position:absolute;top:12px;z-index:3;padding:6px 10px;border-radius:calc(var(--radius,12px) / 2);background:rgb(var(--dark-rgb,14 16 18) / .78);color:#fff;font:700 10px/1 var(--font-body),Arial,sans-serif;letter-spacing:1.6px;text-transform:uppercase;pointer-events:none;transition:opacity .2s}
.ba-label-before{left:12px}.ba-label-after{right:12px}
.ba-stage.ba-hide-before .ba-label-before,.ba-stage.ba-hide-after .ba-label-after{opacity:0}
.ba-handle{position:absolute;top:0;bottom:0;left:var(--pos);z-index:4;width:44px;margin-left:-22px;display:flex;justify-content:center;cursor:ew-resize;outline:none;touch-action:none}
.ba-handle::before{content:'';width:2px;height:100%;background:#fff;box-shadow:0 0 0 1px rgb(0 0 0 / .18),0 0 12px rgb(0 0 0 / .25)}
.ba-knob{position:absolute;top:50%;left:50%;width:46px;height:46px;transform:translate(-50%,-50%);border-radius:50%;background:var(--accent);color:var(--button,var(--dark));box-shadow:0 4px 16px rgb(0 0 0 / .35);display:grid;place-items:center;transition:transform .15s}
.ba-knob svg{width:22px;height:22px}
.ba-stage:hover .ba-knob,.ba-dragging .ba-knob{transform:translate(-50%,-50%) scale(1.08)}
.ba-handle:focus-visible .ba-knob{outline:3px solid #fff;outline-offset:2px;box-shadow:0 0 0 7px var(--accent-deep),0 4px 16px rgb(0 0 0 / .35)}
.ba figcaption{margin-top:12px;font-size:14px;line-height:1.45}
.ba-caption{display:block;font-weight:600}
.ba-note{display:block;margin-top:4px;font-size:12px;line-height:1.45;opacity:.72}
.ba-empty{min-height:280px;margin:0}
/* SIS draft bands on example imagery (draft only: the attribute is absent in production). */
.ba-stage[data-sis-placeholder]::after{content:'';position:absolute;inset:0;z-index:2;pointer-events:none;transition:opacity .2s}
.ba-stage[data-sis-placeholder]:hover::after,.ba-stage[data-sis-placeholder]:focus-within::after,.ba-stage.ba-dragging::after{opacity:0}
@media(max-width:1049px){.ba-grid:not(.n-1){--ba-cols:2}}
@media(max-width:760px){.ba-grid{gap:28px}.ba-grid:not(.n-1){--ba-cols:1}.ba-grid>*{flex-basis:100%}.ba-grid.n-1 .ba-stage{aspect-ratio:4/3}.ba-grid:not(.n-1) .ba-stage{aspect-ratio:var(--ba-ratio,4/5);max-height:78vh}}
@media(prefers-reduced-motion:reduce){.ba-knob,.ba-label{transition:none}}

/* ---- reviews: real, attributed third-party reviews (no rating markup) ---- */
.rv-head{display:flex;justify-content:space-between;align-items:end;gap:0 32px;flex-wrap:wrap}
.rv-score{display:flex;align-items:center;gap:14px;margin-bottom:42px}
.rv-rating{font:700 clamp(44px,5vw,64px)/1 var(--font-display),Arial,sans-serif;letter-spacing:-2px}
.rv-count{display:block;margin-top:6px;font-size:13px;font-weight:600;color:var(--muted)}
.v4dark .rv-count{color:var(--dark-muted)}
.rv-stars{position:relative;display:inline-block;line-height:0;color:var(--accent)}
.rv-stars svg{width:15px;height:15px;fill:currentColor;margin-right:2px}
.rv-score .rv-stars svg{width:19px;height:19px}
.rv-stars-bg{opacity:.22;white-space:nowrap}.rv-stars-fill{position:absolute;inset:0 auto 0 0;overflow:hidden;white-space:nowrap}
.rv-list{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.rv-card figure{position:relative;margin:0;height:100%;box-sizing:border-box;display:flex;flex-direction:column;gap:14px;padding:26px;border-radius:var(--radius,12px);background:var(--card);border:1px solid var(--line)}
.v4dark .rv-card figure{background:var(--dark-panel);border-color:var(--dark-line)}
.rv-card blockquote{margin:0;flex:1}
.rv-card blockquote p{margin:0;font-size:17px;line-height:1.6;color:var(--ink)}
.v4dark .rv-card blockquote p{color:var(--dark-ink)}
.rv-card figcaption{font-size:13px;color:var(--muted)}.rv-card figcaption b{color:var(--ink);font-weight:700}
.v4dark .rv-card figcaption{color:var(--dark-muted)}.v4dark .rv-card figcaption b{color:var(--dark-ink)}
.rv-list:focus-visible{outline:3px solid var(--accent-deep);outline-offset:4px}
.rv-link{margin-top:26px}
@media(max-width:1049px){.rv-card figure{padding:22px}}
@media(max-width:760px){.rv-score{margin-bottom:26px}
 .rv-list{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:12px;margin:0 -18px;padding:0 18px 12px;scroll-padding-inline:18px;-webkit-overflow-scrolling:touch;overscroll-behavior-x:contain}
 .rv-list>li{flex:0 0 84%;scroll-snap-align:start}.rv-card blockquote p{font-size:16px}}

/* ---- instagram: square post grid linking out to each post ---- */
.v4insta-head{display:flex;justify-content:space-between;align-items:end;gap:0 24px;flex-wrap:wrap}
.v4insta-head .v4heading{margin-bottom:30px}
.v4insta-profile{display:flex;align-items:center;gap:12px;margin-bottom:34px;flex-wrap:wrap}
.v4insta-glyph{flex:none}
.v4insta-profile>.v4insta-glyph{color:var(--accent-deep)}.v4dark .v4insta-profile>.v4insta-glyph{color:var(--accent)}
.v4insta-handle{font-weight:700;font-size:15px;text-decoration:none;padding-block:6px}
.v4insta-handle:hover{text-decoration:underline;text-underline-offset:5px}
.v4insta-follow{gap:10px}
.v4insta-grid{list-style:none;margin:0;padding:0;display:grid;grid-template-columns:repeat(var(--ig-cols,6),minmax(0,1fr));gap:10px}
.v4insta-post{position:relative;display:block;aspect-ratio:1;overflow:hidden;border-radius:calc(var(--radius,12px) * .66);background:var(--panel)}
.v4insta-post img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.v4insta-hover{position:absolute;inset:0;display:grid;place-items:center;color:#fff;background:rgb(var(--dark-rgb,14 16 18) / .42);opacity:0;transition:opacity .2s}
.v4insta-hover svg{width:30px;height:30px}
.v4insta-post:hover img,.v4insta-post:focus-visible img{transform:scale(1.05)}
.v4insta-post:hover .v4insta-hover,.v4insta-post:focus-visible .v4insta-hover{opacity:1}
.v4insta-post:focus-visible{outline:3px solid var(--accent-deep);outline-offset:3px}.v4dark .v4insta-post:focus-visible{outline-color:var(--accent)}
.v4insta-empty{display:grid;place-items:center;border:1px dashed var(--line)}
@media(max-width:1049px){.v4insta-grid{grid-template-columns:repeat(min(var(--ig-cols,6),4),minmax(0,1fr))}}
@media(max-width:760px){.v4insta-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:6px}.v4insta-profile{margin-bottom:22px}.v4insta-head .v4heading{margin-bottom:4px}}
@media(prefers-reduced-motion:reduce){.v4insta-post img,.v4insta-hover{transition:none}}