/* Frontend progressive enhancement; editable content stays visible without JS. */
body.vh-brief-dialog-open{overflow:hidden}
dialog.vh-brief-dialog{box-sizing:border-box;width:min(780px,calc(100% - 32px));max-width:780px;max-height:calc(100dvh - 32px);margin:auto;padding:0;border:1px solid var(--vh-line);border-radius:14px;background:var(--vh-bg);color:var(--vh-text);overflow:auto;overscroll-behavior:contain;box-shadow:0 24px 100px #0009}
dialog.vh-brief-dialog:not([open]){display:none}
dialog.vh-brief-dialog::backdrop{background:#020713d9;backdrop-filter:blur(3px)}
.vh-brief-dialog-toolbar{position:sticky;top:0;z-index:2;display:flex;justify-content:flex-end;padding:16px 24px 10px;background:var(--vh-bg)}
.vh-brief-dialog-close{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:8px 13px;border:1px solid var(--vh-line);border-radius:6px;background:var(--vh-surface);color:var(--vh-text);font:inherit;font-size:14px;cursor:pointer}
.vh-brief-dialog-close:hover{border-color:var(--vh-accent)}
.vh-page .vh-brief-dialog .vh-brief-section{width:100%;max-width:none;margin:0;padding:0 32px 32px;border:0}
.vh-brief-dialog .vh-brief-section>h2{font-size:clamp(26px,4vw,34px);line-height:1.2;margin:0 0 24px}
.vh-brief-dialog .vh-brief-section>h2:focus{outline:none}
.vh-brief-dialog .vh-contact-block{margin:0}
/* One overlapping grid row preserves the tallest scenario's responsive height.
   Hidden cards retain layout only; hidden + inert + aria-hidden keep them out
   of interaction and the accessibility tree. Without JS all cards stay visible. */
.vh-page .vh-scenarios-track.vh-scenarios-enhanced{display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:auto;grid-auto-flow:row}
.vh-page .vh-scenarios-track.vh-scenarios-enhanced>.vh-scenario{grid-area:1/1;align-self:stretch;min-width:0}
.vh-page .vh-scenarios-track.vh-scenarios-enhanced>.vh-scenario[hidden]{display:block!important;visibility:hidden!important;pointer-events:none}
.vh-scenario-navigation{display:flex;align-items:center;gap:16px;justify-content:flex-end;margin:0 0 20px}
.vh-scenario-navigation button,.vh-scenario-options button{min-height:46px;border:1px solid #426075;border-radius:8px;background:var(--vh-surface);color:var(--vh-text);font:inherit;font-size:14px;line-height:1.4;padding:11px 15px;cursor:pointer}
.vh-scenario-navigation button:hover:not(:disabled),.vh-scenario-options button:hover{border-color:var(--vh-accent)}
.vh-scenario-navigation button:disabled{opacity:.45;cursor:default}
.vh-scenario-counter{min-width:48px;text-align:center;font-size:14px;color:var(--vh-muted);font-variant-numeric:tabular-nums}
.vh-scenario-options{display:flex;flex-wrap:wrap;gap:10px;margin:0 0 24px}
.vh-scenario-options button[aria-pressed=true]{background:var(--vh-accent);border-color:var(--vh-accent);color:var(--vh-bg)}
@media(max-width:680px){
 dialog.vh-brief-dialog{width:calc(100% - 16px);max-height:calc(100dvh - 16px);border-radius:10px}
 .vh-brief-dialog-toolbar{padding:12px 16px 8px}
 .vh-page .vh-brief-dialog .vh-brief-section{padding:0 16px 24px}
 .vh-scenario-navigation{justify-content:space-between;gap:10px}
 .vh-scenario-navigation button,.vh-scenario-options button{padding:10px 12px}
 .vh-scenario-options{gap:8px}
}