.storyboard-tool{margin:40px 0;padding:28px;border:1px solid var(--line);border-radius:16px;background:var(--soft)}
.storyboard-tool h2{margin-top:0}.storyboard-tool .sb-note{font-size:15px;line-height:1.6;color:var(--muted)}
.storyboard-tool .sb-actions{display:flex;flex-wrap:wrap;gap:12px;margin:20px 0}
.storyboard-tool .button{min-height:44px;padding:12px 20px;line-height:1.4;text-align:center}
.storyboard-tool fieldset{min-width:0;margin:24px 0;padding:20px;border:1px solid var(--line);border-radius:12px;background:#fff}
.storyboard-tool legend{max-width:100%;padding:0 8px;font-size:19px;font-weight:700;color:var(--ink)}
.storyboard-tool .sb-time{display:block;font-size:14px;font-weight:400;color:var(--muted);margin:6px 0 0}
.storyboard-tool .sb-pair{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:16px}
.storyboard-tool .sb-pair>div{min-width:0}.storyboard-tool label{font-size:16px}
.storyboard-tool textarea{min-height:96px}.storyboard-tool .sb-caption{min-height:76px}
.storyboard-tool input,.storyboard-tool select,.storyboard-tool textarea{max-width:100%;box-sizing:border-box}
.storyboard-tool .sb-summary{padding:16px 20px;border-radius:10px;background:#fff;border:1px solid var(--line);font-weight:650}
.storyboard-tool .sb-error-summary{padding:16px;border:2px solid var(--rose);background:#fff;border-radius:10px}
.storyboard-tool .sb-error-summary h3{margin:0 0 12px;font-size:20px}.storyboard-tool .sb-error-summary ul{margin:0}
.storyboard-tool .sb-field-error{margin:8px 0 0;color:var(--rose);font-size:15px;font-weight:650}
.storyboard-tool [aria-invalid=true]{border:2px solid var(--rose)}
.storyboard-tool .sb-result{min-height:380px;background:#fff;line-height:1.6;font-size:16px}
.storyboard-tool :is(input,select,textarea,button,a,.sb-error-summary):focus-visible{outline:3px solid var(--rose);outline-offset:3px}
.storyboard-tool [hidden]{display:none!important}
@media(max-width:640px){.storyboard-tool{padding:20px 16px;margin-inline:0}.storyboard-tool fieldset{padding:16px 12px}.storyboard-tool .sb-pair{grid-template-columns:1fr;gap:0}.storyboard-tool .sb-actions .button{flex:1 1 150px}.storyboard-tool .sb-summary{padding:14px}}