:root{--bg: #fafafa;--surface: #ffffff;--text: #1a1a2e;--muted: #8a8aa0;--line: #ececf2;--radius: 16px;font-family:-apple-system,BlinkMacSystemFont,SF Pro Rounded,Segoe UI,Roboto,sans-serif}@media (prefers-color-scheme: dark){:root{--bg: #121218;--surface: #1c1c26;--text: #f2f2f7;--muted: #77778c;--line: #2a2a38}}*{box-sizing:border-box;margin:0}button,select,input{touch-action:manipulation}html,body,#root{height:100%}body{background:var(--bg);color:var(--text);overscroll-behavior:none;-webkit-user-select:none;user-select:none}.app{display:flex;flex-direction:column;height:100%}.loading{display:grid;place-items:center;height:100%;color:var(--muted);font-size:20px}.topbar{display:flex;align-items:center;gap:16px;flex-wrap:wrap;padding:14px 20px 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