:root{--color-bg: #f7f8fa;--color-fg: #1a1f36;--color-primary: #1e5dff;--color-error: #c0152f;--color-muted: #6b7280;--radius: 8px;--shadow: 0 8px 24px rgba(0, 0, 0, .08);font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body.auth-body{margin:0;background:var(--color-bg);color:var(--color-fg);min-height:100vh;display:grid;place-items:center;padding:1.5rem}.auth-main{width:100%;max-width:420px}