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0, 0, .28);--shadow-board: rgba(0, 0, 0, .46);--brand: #fff1e4;--brand-muted: #9f8f80;--accent: #e17e44;--accent-strong: #f09a65;--success: #86d39d;color-scheme:dark}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:0 24px;border-bottom:1px solid var(--line);background:var(--topbar-bg);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);position:sticky;top:0;z-index:20}.brand-lockup{min-width:0;display:flex;align-items:center;align-self:stretch}.brand{display:inline-flex;align-items:center;color:var(--brand);font-family:Nunito Sans,Inter,ui-sans-serif,system-ui,sans-serif;font-size:clamp(1.62rem,2.1vw,1.96rem);font-weight:900;line-height:1;letter-spacing:0;text-decoration:none;white-space:nowrap}.brand em{color:var(--brand-muted);font-style:normal;font-weight:500}.topbar p,.stage-toolbar p,.message,.empty-note{margin:6px 0 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