:root{--sidebar-bg: #ffffff;--sidebar-text: #1f2329;--sidebar-muted: #646a73;--sidebar-hover: rgba(31, 35, 41, .06);--sidebar-active-bg: #e1eeff;--sidebar-border: #e5e6eb;--sidebar-input-bg: #ffffff;--sidebar-input-text: #8f959e;--brand: #3370ff;--brand-hover: #1f5adf;--brand-light: #e8f3ff;--bg: #f5f6f7;--panel: #ffffff;--border: #e5e6eb;--text: #1f2329;--muted: #646a73;--subtle: #8f959e;--bubble-other: #f2f3f5;--bubble-self: #e8f3ff;--bubble-self-text: #1f2329;--receipt-green: #00b42a;--receipt-gray: #c9cdd4;--shadow-sm: 0 1px 4px rgba(31, 35, 41, .06);--shadow-md: 0 4px 16px rgba(31, 35, 41, .1);--shadow-lg: 0 8px 32px rgba(31, 35, 41, .14)}*{box-sizing:border-box}html,body,#root{height:100%}body{margin:0;min-width:320px;color:var(--text);background:var(--bg);overflow:hidden}button,input,textarea,select{font:inherit}button{cursor:pointer}.app-shell{display:grid;grid-template-columns:280px 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