:root{--bg: #f7f6f3;--surface: #ffffff;--text: #111111;--text-muted: #777777;--border: #e0dfd9;--radius: 7px}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}body{font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;font-size:15px;line-height:1.5;-webkit-font-smoothing:antialiased}button{display:inline-flex;align-items:center;justify-content:center;font-family:inherit;font-size:14px;font-weight:500;padding:9px 18px;border-radius:var(--radius);border:1px solid var(--border);background:var(--surface);color:var(--text);cursor:pointer;transition:background .12s,border-color .12s;white-space:nowrap}button:hover:not(:disabled){background:#eeecea;border-color:#c8c7c0}button:disabled{opacity:.38;cursor:not-allowed}button.primary{background:#111;color:#fff;border-color:#111}button.primary:hover:not(:disabled){background:#2a2a2a;border-color:#2a2a2a}.error-msg{color:#b00020;font-size:13px;padding:8px 14px;background:#fff2f3;border:1px solid #fcc;border-radius:var(--radius);max-width:480px;text-align:center}