:root{--st-primary: #1d1d1d;--st-primary-contrast: #ffffff;--st-bg: #ffffff;--st-surface: #f5f5f6;--st-surface-2: #ebebee;--st-border: #e4e4e7;--st-text: #18181b;--st-text-muted: #71717a;--st-danger: #b42318;--st-danger-bg: #fef3f2;--st-radius: 16px;--st-radius-sm: 12px;--st-font: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;color-scheme:light}*{box-sizing:border-box}html,body,#root{height:100%;margin:0}body{font-family:var(--st-font);font-size:15px;line-height:1.5;color:var(--st-text);background:var(--st-bg);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow:hidden}button{font:inherit}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.messenger{display:grid;grid-template-rows:auto 1fr auto;height:100%;background:var(--st-bg)}.header{display:flex;align-items:center;gap:8px;padding:max(8px,env(safe-area-inset-top)) 8px 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