.qr-page .hero-shell{padding:24px 28px}
.qr-page h1{margin:0 0 10px;font-size:clamp(29px,3.4vw,44px)}
.qr-page .lead{margin:0;max-width:960px;color:var(--ink)}
.qr-page .calculator-layout{align-items:start}
.qr-page .calculator-form,.qr-solution{padding:26px;min-width:0}
.qr-page .field{display:grid;gap:8px;margin-bottom:16px;min-width:0}
.qr-page .label-row{font-weight:700;color:var(--ink-strong)}
.qr-page .input{width:100%;min-width:0}
.qr-page .hint,.qr-note{font-size:14px;line-height:1.6;color:var(--ink)}
.qr-page textarea{display:block;resize:vertical;min-height:125px;font:16px/1.6 inherit;overflow-wrap:anywhere}
.qr-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
.qr-actions .button{min-height:46px;white-space:normal}
.qr-page .button:disabled{opacity:.55;cursor:default}
.qr-note{padding:12px 14px;background:var(--warm-soft);border:1px solid var(--line-strong);border-radius:var(--radius-sm)}
.qr-preview{display:grid;place-items:center;min-height:280px;margin:18px 0;border-radius:var(--radius-sm);background:#fff;border:1px solid var(--line-strong);overflow:hidden}
.qr-preview img{display:block;max-width:100%;width:320px;height:auto;aspect-ratio:1}
.qr-preview p{padding:20px;text-align:center;color:var(--ink);max-width:280px}
.qr-page [hidden]{display:none!important}
.qr-settings{display:grid;grid-template-columns:1fr;gap:0}
.qr-page .check-label{display:flex;align-items:center;gap:10px;margin:14px 0;min-height:38px;font-weight:600}
.qr-page input[type=checkbox]{width:20px;height:20px;accent-color:var(--mint-deep)}
.qr-content{margin-top:18px}
.qr-content summary{font-weight:700;cursor:pointer;line-height:1.6}
#qr-output{margin-top:12px;font-family:ui-monospace,Consolas,monospace}
#qr-message,#qr-status{overflow-wrap:anywhere}
#qr-message{font-weight:650;color:var(--ink-strong);min-height:24px}
.qr-page .seo-article{max-width:none}
.qr-page .seo-article p,.qr-page .seo-article li{line-height:1.7;color:var(--ink)}
.qr-page code{overflow-wrap:anywhere}
.qr-faq details{padding:14px 0;border-bottom:1px solid var(--line-strong)}
.qr-faq summary{font-weight:700;cursor:pointer;line-height:1.6}
.qr-page summary:focus-visible,.qr-page textarea:focus-visible{outline:2px solid var(--ink-strong);outline-offset:4px;border-radius:4px}
@media(max-width:640px){.qr-page .hero-shell,.qr-page .calculator-form,.qr-solution{padding:20px}.qr-actions .button{flex:1 1 140px}.qr-settings{grid-template-columns:1fr}.qr-preview{min-height:240px}.qr-preview img{width:280px}}