:root{color-scheme:dark;--bg0: #070b14;--bg1: #0f172a;--text: #e2e8f0;--muted: #94a3b8;--line: rgba(148, 163, 184, .22);--accent: #38bdf8}*{box-sizing:border-box}html,body{margin:0;min-height:100%;background:radial-gradient(900px 480px at 90% -10%,rgba(56,189,248,.14),transparent 55%),radial-gradient(700px 420px at -10% 20%,rgba(52,211,153,.1),transparent 50%),linear-gradient(180deg,var(--bg0),var(--bg1));color:var(--text);font-family:IBM Plex Sans,Noto Sans SC,ui-sans-serif,system-ui,sans-serif}.rb-stage-slot{min-height:100vh}.rb-stage-waiting{max-width:720px;margin:0 auto;padding:72px 24px}.rb-stage-mark{display:inline-flex;margin-bottom:18px;padding:4px 10px;border-radius:999px;border:1px solid var(--line);color:var(--accent);font-size:12px;font-weight:600;letter-spacing:.06em;text-transform:uppercase}.rb-stage-waiting h1{margin:0 0 14px;font-size:clamp(28px,4vw,40px);letter-spacing:-.03em;line-height:1.2}.rb-stage-waiting p{margin:0 0 12px;color:var(--muted);font-size:15px;line-height:1.65}.rb-stage-meta{margin-top:24px!important;padding-top:16px;border-top:1px dashed var(--line);font-size:13px!important;color:#cbd5e1!important}