/* QR Studio — standalone page styles; no global selectors. */
.qs-layout{width:min(1180px,calc(100% - 36px));margin:0 auto;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:20px;align-items:start}
.qs-layout .toolbox{min-width:0;padding:26px}
.qs-layout h2{font-size:clamp(20px,2.6vw,25px);line-height:1.25;margin:0 0 16px}
.qs-layout h3{font-size:17px;margin:22px 0 10px}
.qs-layout label{display:block;margin:12px 0 6px;font-weight:700;font-size:14px}
.qs-layout input:not([type=checkbox]),.qs-layout textarea,.qs-layout select{display:block;width:100%;max-width:100%;padding:11px 12px;border:1px solid var(--line-strong);border-radius:10px;background:#fff;color:var(--text)}
.qs-layout input[type=color]{min-height:45px;padding:4px}
.qs-layout .qs-fields[hidden]{display:none}
.qs-layout .qs-fields textarea{resize:vertical;min-height:96px}
.qs-layout .qs-check{display:flex;align-items:center;gap:9px}
.qs-layout .qs-check input{width:18px;height:18px}
.qs-custom{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);column-gap:14px}
.qs-layout .actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.qs-layout .actions .btn,.qs-layout .actions .btn-secondary{flex:1 1 165px;text-align:center;cursor:pointer}
.qs-layout button:disabled{opacity:.55;cursor:not-allowed;filter:grayscale(.2)}
.qs-preview{width:min(100%,350px);min-height:285px;margin:14px auto 18px;padding:10px;background:#fff;border:1px solid var(--line);border-radius:14px;display:grid;place-items:center;overflow:hidden}
.qs-canvas{display:block;width:min(100%,310px);height:auto;aspect-ratio:1;image-rendering:pixelated}
.qs-url{display:block;direction:ltr;unicode-bidi:plaintext;overflow-wrap:anywhere;background:var(--surface-soft);padding:12px;border-radius:9px;margin:12px 0;font:13px/1.5 ui-monospace,Consolas,monospace}
.qs-result p{line-height:1.55}
.qs-confirm{font-weight:750;color:var(--brand-deep)}
.qs-alert,#qsStatus[data-error=true]{color:var(--danger);font-weight:700}
.qs-tip{font-size:13px;color:var(--muted);line-height:1.6}
.qs-editorial{padding-top:36px}
.qs-editorial h2{margin-top:24px}
.qs-editorial p{max-width:850px;line-height:1.65}
.qr-cross-link{text-align:center;padding:10px 16px;margin:0 auto 18px;max-width:860px}
.qr-cross-link a{color:var(--brand-deep);font-weight:800;text-decoration:underline}
@media(max-width:720px){.qs-layout{grid-template-columns:1fr;width:min(100% - 22px,1180px)}.qs-layout .toolbox{padding:18px}.qs-preview{min-height:250px}.qs-custom{gap:0 10px}}
@media(max-width:400px){.qs-custom{grid-template-columns:1fr}.qs-layout .actions>*{flex:1 1 100%}}

.qs-advanced{margin-top:20px;border:1px solid var(--line-strong);background:var(--surface-soft);border-radius:12px}
.qs-advanced summary{padding:13px 16px;cursor:pointer;font-weight:700;list-style-position:inside}
.qs-advanced summary:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.qs-advanced-body{padding:0 16px 16px}
.qs-advanced-body input[type=file]{font-size:14px;line-height:1.3}
.qs-advanced-body input[type=file]::file-selector-button{margin-right:9px;border:1px solid var(--line-strong);border-radius:8px;background:white;padding:8px;color:var(--text);cursor:pointer}
.qs-advanced-body .btn-secondary{display:inline-block;padding:9px 13px;margin-top:5px}
.qs-output .actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}
@media(max-width:440px){.qs-output .actions{grid-template-columns:1fr}}


.qr-hero{position:relative;padding-right:min(36vw,380px);min-height:265px}
.qs-hero-art{position:absolute;right:0;top:12px;width:min(36vw,370px);height:auto;pointer-events:none}
@media(max-width:750px){.qr-hero{padding-right:0;min-height:0}.qs-hero-art{display:none}}