:root{--bg: #f4f5f7;--surface: #ffffff;--surface-2: #fafbfc;--border: #e2e5e9;--border-strong: #cfd4da;--text: #1d2733;--text-muted: #67717d;--accent: #2f6fed;--accent-hover: #285fd0;--accent-soft: #eaf1fe;--danger: #d64545;--ok: #2e9c5a;--shadow: 0 1px 2px rgba(16, 24, 40, .06), 0 1px 3px rgba(16, 24, 40, .1);--radius: 8px;--topbar-h: 48px;--font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;font-family:var(--font);color:var(--text);background:var(--bg);font-size:14px;-webkit-font-smoothing:antialiased;cursor:default;user-select:none;-webkit-user-select:none}input,textarea,select,[contenteditable=true],.selectable,.selectable 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