/* Mendeleev FR showcase V9.5.2 — autonomous witness-page visuals */
.showcase-v952{--s-accent:#2f8f6b;--s-accent2:#5b78d1;--s-warm:#dca94f;--s-violet:#8463b7;--s-line:color-mix(in srgb,currentColor 16%,transparent);--s-soft:color-mix(in srgb,var(--s-accent) 7%,transparent)}
.showcase-v952 .sc-hero{max-width:920px;margin:34px auto 28px;text-align:center}.showcase-v952 .sc-hero .eyebrow{font-weight:800;letter-spacing:.08em;text-transform:uppercase;font-size:.76rem;opacity:.66}.showcase-v952 .sc-hero h1{font-size:clamp(2.15rem,5vw,4.4rem);line-height:.98;letter-spacing:-.055em;margin:.45rem 0 1rem}.showcase-v952 .sc-hero p{font-size:clamp(1.04rem,2vw,1.25rem);line-height:1.72;max-width:780px;margin:auto;color:var(--muted)}
.showcase-v952 .sc-jump{display:flex;gap:8px;flex-wrap:wrap;justify-content:center;margin:22px auto 40px}.showcase-v952 .sc-jump a{border:1px solid var(--line);border-radius:999px;padding:8px 12px;text-decoration:none;font-weight:750;font-size:.88rem;background:var(--surface)}
.showcase-v952 .sc-section{margin:34px 0;padding:clamp(22px,4vw,38px);border:1px solid var(--line);border-radius:28px;background:var(--surface);box-shadow:var(--shadow2)}.showcase-v952 .sc-section h2{font-size:clamp(1.55rem,3vw,2.45rem);letter-spacing:-.04em;margin:.25rem 0 1rem}.showcase-v952 .sc-section>p,.showcase-v952 .sc-copy p{line-height:1.75}.showcase-v952 .sc-two{display:grid;grid-template-columns:minmax(0,1fr) minmax(300px,.86fr);gap:clamp(22px,4vw,44px);align-items:center}.showcase-v952 .sc-grid3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:13px;margin:20px 0}.showcase-v952 .sc-card{padding:17px;border:1px solid var(--line);border-radius:17px;background:var(--surface2)}.showcase-v952 .sc-card strong{display:block;margin-bottom:6px}.showcase-v952 .sc-card p{margin:0;color:var(--muted);line-height:1.55}.showcase-v952 .sc-example{margin:18px 0;padding:17px 19px;border-left:4px solid var(--s-accent);border-radius:14px;background:color-mix(in srgb,var(--s-accent) 7%,var(--surface))}.showcase-v952 .sc-example strong{display:block;margin-bottom:6px}.showcase-v952 .sc-note{padding:15px 17px;border-radius:16px;background:var(--surface2);border:1px solid var(--line);line-height:1.65}.showcase-v952 details{margin:12px 0;border:1px solid var(--line);border-radius:15px;padding:0 15px;background:var(--surface2)}.showcase-v952 summary{cursor:pointer;font-weight:800;padding:14px 0}.showcase-v952 details p{margin:0 0 15px;line-height:1.65}
/* periodic page */
.periodic-show-v952 .element-tile-v952{width:min(330px,80vw);aspect-ratio:1;margin:auto;padding:20px;border-radius:25px;border:1px solid color-mix(in srgb,var(--s-accent) 48%,var(--line));background:radial-gradient(circle at 80% 10%,color-mix(in srgb,var(--s-accent) 18%,transparent),transparent 42%),var(--surface);display:grid;grid-template-rows:auto 1fr auto auto;box-shadow:0 22px 55px rgba(20,40,40,.09)}.element-tile-v952 .et-num{display:flex;justify-content:space-between;gap:12px;font-weight:900}.element-tile-v952 .et-num span,.element-tile-v952 .et-mass span{font-size:.75rem;color:var(--muted);font-weight:700}.element-tile-v952 .et-symbol{font-size:clamp(4.5rem,10vw,7rem);line-height:.9;align-self:end;justify-self:center;font-weight:950;color:var(--s-accent);letter-spacing:-.07em}.element-tile-v952 .et-name{text-align:center;font-size:1.35rem;font-weight:850}.element-tile-v952 .et-mass{display:flex;justify-content:space-between;margin-top:14px;font-weight:850}.tile-key-v952{display:grid;grid-template-columns:1fr 1fr;gap:7px;width:min(330px,80vw);margin:10px auto 0}.tile-key-v952 span{padding:7px 9px;border-radius:10px;background:var(--surface2);font-size:.78rem}.tile-key-v952 b{display:inline-grid;place-items:center;width:21px;height:21px;border-radius:50%;background:var(--s-accent);color:#fff;margin-right:5px}
.pt-lab-v952{padding:18px;border:1px solid var(--line);border-radius:22px;background:var(--surface2)}.pt-controls-v952{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:14px}.pt-controls-v952 button{appearance:none;border:1px solid var(--line);background:var(--surface);border-radius:999px;padding:9px 13px;font:inherit;font-weight:800;cursor:pointer}.pt-controls-v952 button.active{background:var(--s-accent);border-color:var(--s-accent);color:#fff}.pt-grid-v952{display:grid;grid-template-columns:repeat(18,minmax(22px,1fr));gap:3px}.pt-cell-v952{aspect-ratio:1;border:1px solid var(--line);border-radius:7px;background:var(--surface);display:grid;place-items:center;position:relative;transition:.18s ease;min-width:0}.pt-cell-v952 b{font-size:clamp(.58rem,1.25vw,.95rem)}.pt-cell-v952 small{position:absolute;left:3px;top:2px;font-size:.43rem;opacity:.55}.pt-cell-v952.empty{visibility:hidden}.pt-grid-v952[data-mode="group"] .pt-cell-v952:not(.g1){opacity:.18}.pt-grid-v952[data-mode="group"] .g1{background:color-mix(in srgb,var(--s-warm) 21%,var(--surface));border-color:var(--s-warm);transform:translateY(-2px)}.pt-grid-v952[data-mode="period"] .pt-cell-v952:not(.p3){opacity:.18}.pt-grid-v952[data-mode="period"] .p3{background:color-mix(in srgb,var(--s-accent) 14%,var(--surface));border-color:var(--s-accent);transform:translateY(-2px)}.pt-grid-v952[data-mode="block"] .pt-cell-v952{opacity:.9}.pt-grid-v952[data-mode="block"] .bs{background:color-mix(in srgb,var(--s-warm) 16%,var(--surface))}.pt-grid-v952[data-mode="block"] .bp{background:color-mix(in srgb,var(--s-accent) 13%,var(--surface))}.pt-grid-v952[data-mode="block"] .bd{background:color-mix(in srgb,var(--s-violet) 13%,var(--surface))}.pt-grid-v952 .focus{outline:3px solid color-mix(in srgb,var(--s-accent) 35%,transparent);z-index:2}.pt-caption-v952{margin:14px 0 0;padding:13px 15px;border-radius:13px;background:var(--surface);line-height:1.55}.pt-scan-v952{animation:scanPulse .72s ease}@keyframes scanPulse{0%{transform:scale(.84)}50%{transform:scale(1.14)}100%{transform:scale(1)}}
.block-map-v952{display:grid;grid-template-columns:2fr 10fr 6fr;grid-template-areas:'s d p' 'f f f';gap:8px}.block-map-v952>div{min-height:92px;border:1px solid var(--line);border-radius:16px;display:grid;place-items:center;text-align:center;font-weight:900}.block-map-v952 span{display:block;font-size:.76rem;color:var(--muted);font-weight:700}.block-map-v952 .s{grid-area:s;background:color-mix(in srgb,var(--s-warm) 17%,var(--surface))}.block-map-v952 .d{grid-area:d;background:color-mix(in srgb,var(--s-violet) 13%,var(--surface))}.block-map-v952 .p{grid-area:p;background:color-mix(in srgb,var(--s-accent) 13%,var(--surface))}.block-map-v952 .f{grid-area:f;min-height:64px;background:color-mix(in srgb,#42a8aa 13%,var(--surface))}.period-strip-v952{display:grid;grid-template-columns:repeat(8,1fr);gap:6px;margin:14px 0}.period-strip-v952 span{aspect-ratio:1;border:1px solid var(--line);border-radius:10px;display:grid;place-items:center;background:var(--surface2);font-weight:850}.period-strip-v952 .active{background:color-mix(in srgb,var(--s-accent) 18%,var(--surface));border-color:var(--s-accent)}
/* wave page */
.wave-lab-v952{padding:18px;border:1px solid var(--line);border-radius:24px;background:linear-gradient(145deg,var(--surface2),var(--surface));overflow:hidden}.wave-stage-v952{position:relative;border:1px solid var(--line);border-radius:18px;background:var(--surface);padding:10px;overflow:hidden}.wave-stage-v952 svg{width:100%;height:auto;display:block}.wave-axis-v952{stroke:currentColor;opacity:.14}.wave-main-v952{fill:none;stroke:var(--s-accent2);stroke-width:4;stroke-linecap:round}.wave-ghost-v952{fill:none;stroke:var(--s-accent);stroke-width:2;opacity:.28}.wave-particle-v952{fill:var(--s-warm);stroke:var(--surface);stroke-width:3}.wave-arrow-v952{stroke:var(--s-accent2);stroke-width:2;marker-end:url(#arrowhead)}.wave-label-v952{font-size:13px;fill:currentColor;font-weight:700}.wave-controls-v952{display:grid;grid-template-columns:1fr 1fr auto;gap:13px;align-items:end;margin-top:16px}.wave-control-v952 label{display:flex;justify-content:space-between;gap:8px;font-weight:800;font-size:.87rem;margin-bottom:6px}.wave-control-v952 input[type=range]{width:100%}.wave-controls-v952 button{border:1px solid var(--line);background:var(--surface);border-radius:12px;padding:10px 14px;font:inherit;font-weight:850;cursor:pointer}.wave-readouts-v952{display:grid;grid-template-columns:repeat(4,1fr);gap:9px;margin-top:13px}.wave-readouts-v952 div{padding:11px;border:1px solid var(--line);border-radius:13px;background:var(--surface);text-align:center}.wave-readouts-v952 strong{display:block;font-size:1.08rem}.wave-readouts-v952 span{font-size:.73rem;color:var(--muted)}.wave-concept-v952{display:grid;grid-template-columns:repeat(4,1fr);gap:9px}.wave-concept-v952 div{padding:15px;border-radius:16px;border:1px solid var(--line);background:var(--surface2)}.wave-concept-v952 b{display:block;font-size:1.1rem;margin-bottom:5px}.oscillator-v952{height:170px;position:relative;border:1px solid var(--line);border-radius:18px;background:var(--surface2);overflow:hidden}.oscillator-v952:before{content:'';position:absolute;left:50%;top:18px;bottom:18px;border-left:2px dashed var(--line)}.osc-ball-v952{position:absolute;left:calc(50% - 18px);top:67px;width:36px;height:36px;border-radius:50%;background:var(--s-warm);box-shadow:0 8px 24px rgba(0,0,0,.12)}.osc-label-v952{position:absolute;left:12px;bottom:10px;font-size:.78rem;color:var(--muted)}.formula-v952{font-size:clamp(1.4rem,3vw,2.2rem);font-weight:900;text-align:center;padding:18px;border-radius:18px;background:color-mix(in srgb,var(--s-accent2) 8%,var(--surface));border:1px solid var(--line);letter-spacing:-.02em}
@media(max-width:900px){.showcase-v952 .sc-two{grid-template-columns:1fr}.pt-grid-v952{gap:2px}.wave-controls-v952{grid-template-columns:1fr}.wave-readouts-v952{grid-template-columns:1fr 1fr}.wave-concept-v952{grid-template-columns:1fr 1fr}.showcase-v952 .sc-grid3{grid-template-columns:1fr}}
@media(max-width:620px){.showcase-v952 .sc-section{padding:18px;border-radius:21px}.pt-grid-v952{grid-template-columns:repeat(18,minmax(14px,1fr))}.pt-cell-v952{border-radius:4px}.pt-cell-v952 small{display:none}.pt-cell-v952 b{font-size:.52rem}.block-map-v952{grid-template-columns:1fr 1fr;grid-template-areas:'s p' 'd d' 'f f'}.wave-readouts-v952,.wave-concept-v952{grid-template-columns:1fr 1fr}.sc-jump{justify-content:flex-start;overflow:auto;flex-wrap:nowrap}.sc-jump a{white-space:nowrap}}


/* V9.5.3 strict visual QA fixes — aligned with validated interferences page */
.showcase-v952 .editorial-tip-mascot{grid-template-columns:96px minmax(0,1fr)!important;gap:20px!important;align-items:center!important;padding:20px 22px!important;overflow:visible!important}
.showcase-v952 .editorial-tip-mascot .tip-mascot{width:84px!important;min-width:84px!important;height:92px!important;overflow:visible!important;display:grid!important;place-items:center!important}
.showcase-v952 .editorial-tip-mascot .mini-official-mascot{width:74px!important;height:88px!important;display:block!important;position:relative!important;transform:scale(1.18)!important;transform-origin:center center!important;overflow:visible!important}
.showcase-v952 .editorial-tip-mascot .mini-official-mascot .mendeleev-person{left:0!important;top:0!important;transform:scale(.40)!important;transform-origin:top left!important}
.showcase-v952 .editorial-tip-mascot strong{font-size:1rem!important}
.periodic-show-v952 .tile-key-v952{grid-template-columns:1fr 1fr!important}
.periodic-show-v952 .tile-key-v952 span{display:block!important;padding:9px 11px!important;line-height:1.35!important}
.periodic-show-v952 .tile-key-v952 b{display:none!important}
.periodic-show-v952 .pt-lab-v952{min-width:0!important;overflow-x:auto!important}
.periodic-show-v952 .pt-grid-v952{min-width:670px!important}
.periodic-show-v952 .block-map-v952>div{min-width:0!important;padding:10px!important;line-height:1.3!important}
.periodic-show-v952 .period-strip-v952{min-width:0!important}
.wave-show-v952 .wave-lab-v952,.wave-show-v952 .wave-stage-v952{min-width:0!important}
.wave-show-v952 .wave-controls-v952>*{min-width:0!important}
.wave-show-v952 details .answer-detail-v953{display:grid;gap:8px;margin:0 0 16px}
.wave-show-v952 details .answer-detail-v953 p{margin:0!important}
.wave-show-v952 details .answer-detail-v953 .answer-check{padding:10px 12px;border-radius:12px;background:color-mix(in srgb,var(--s-accent) 7%,var(--surface));border:1px solid var(--line)}
@media(max-width:700px){
 .showcase-v952 .editorial-tip-mascot{grid-template-columns:76px minmax(0,1fr)!important;gap:14px!important;padding:17px!important}
 .showcase-v952 .editorial-tip-mascot .tip-mascot{width:68px!important;min-width:68px!important;height:78px!important}
 .showcase-v952 .editorial-tip-mascot .mini-official-mascot{transform:scale(1.02)!important}
 .periodic-show-v952 .element-tile-v952{width:min(290px,88vw)!important}
 .periodic-show-v952 .tile-key-v952{width:min(290px,88vw)!important;grid-template-columns:1fr!important}
 .periodic-show-v952 .period-strip-v952{grid-template-columns:repeat(4,1fr)!important}
}