:root{--bg: #eef1ef;--panel: #ffffff;--ink: #1c2420;--muted: #6a756f;--line: #d7ddd9;--accent: #27624b;--accent-soft: #e5f0ea;--danger: #9b3b2e;--warn: #8a6a2f;--radius: 14px;--font: "Manrope", "Segoe UI", sans-serif}*{box-sizing:border-box}html,body,#root{margin:0;min-height:100%}body{font-family:var(--font);color:var(--ink);background:radial-gradient(circle at 12% -10%,#d9ebe1 0%,transparent 42%),radial-gradient(circle at 90% 0%,#e7ebf0 0%,transparent 36%),var(--bg)}button,input,textarea,select{font:inherit}a{color:var(--accent)}.gate{min-height:100vh;display:grid;place-items:center;padding:24px}.gate-card{width:min(440px,100%);background:var(--panel);border:1px solid var(--line);border-radius:20px;padding:32px;box-shadow:0 18px 40px #1c24200f}.gate-card h1{margin:8px 0 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8px;background:var(--accent-soft);color:var(--accent);white-space:nowrap}.state-key{font-size:12px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;color:var(--muted)}.state-note{font-size:13px;line-height:1.4}@media(max-width:900px){.workspace,.workspace.tree-collapsed{grid-template-columns:1fr}.workspace.tree-collapsed .tree-panel.is-collapsed{width:52px}.topbar{flex-direction:column;align-items:stretch}.people-grid,.link-form{grid-template-columns:1fr}.tree-rank{opacity:1}.state-page{padding:8px 16px 28px}}