.language-switch{position:relative;display:grid;grid-template-columns:1fr 1fr;flex-shrink:0;gap:2px;padding:4px;border:1px solid #ffffff;border-radius:99px;background:#e4e4e480;box-shadow:inset 0 1px 3px #00000006,0 5px 20px #00000004;backdrop-filter:blur(22px)}
.language-switch button{position:relative;z-index:1;min-width:44px;min-height:36px;padding:6px 12px;border-radius:99px;background:transparent;font-size:11px;font-weight:650;letter-spacing:.5px;color:#000}
.language-switch button[aria-pressed=true]{color:#fff}
.language-thumb{position:absolute;inset:4px auto 4px 4px;width:calc((100% - 10px)/2);border-radius:99px;background:linear-gradient(150deg,#555b61,#35393d);box-shadow:0 2px 6px #0000001a,inset 0 1px 0 #ffffff26;transition:transform .23s cubic-bezier(.2,.7,.2,1)}
.language-switch[data-language=th] .language-thumb{transform:translateX(calc(100% + 2px))}
html[lang=th] body{font-family:-apple-system,BlinkMacSystemFont,'Leelawadee UI','Noto Sans Thai','Tahoma',sans-serif}
html[lang=th] h1{line-height:1.35;letter-spacing:-1px;font-size:clamp(34px,3.8vw,50px)}
html[lang=th] .eyebrow{letter-spacing:.8px}html[lang=th] .dialog-heading h2{line-height:1.4;letter-spacing:-.5px}
html[lang=th] .section-label{line-height:1.6}html[lang=th] .estimate-badge{text-align:right;max-width:46%;line-height:1.5}
html[lang=th] .upload-panel h2{white-space:normal;line-height:1.5}html[lang=th] .support-row{gap:10px}html[lang=th] .model-footer{line-height:1.6}
@media(max-width:600px){.site-header{gap:12px}.brand-divider,.brand-product{display:none}.language-switch button{min-width:44px;min-height:36px;padding:6px 10px}html[lang=th] .intro h1{font-size:35px}html[lang=th] .small-muted{max-width:43%;text-align:right}html[lang=th] .slicer-button{display:flex;flex-wrap:wrap;gap:5px}html[lang=th] .dialog-actions{flex-wrap:wrap}}
@media(prefers-reduced-motion:reduce){.language-thumb{transition:none}}